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https://hackaday.com/2010/08/28/tube-preamp-with-a-dazzling-wood-case/
|
Tube Preamp With A Dazzling Wood Case
|
Mike Szczys
|
[
"home entertainment hacks"
] |
[
"Ground",
"preamp",
"tube",
"wood"
] |
It’s been a while since we’ve looked in on the world of vacuum tube audio equipment. [Bruce] just finished documenting
a tube preamp he built
. He actually made a couple of these with slightly different cases but they use the same circuit design. We found his discussion of common errors made when tying into ground quite interesting. It seems that many folks struggle with noise in their circuits because of ground loops. There’s some details about isolating the signal ground from a metal chassis, and also an admonition about not connecting the input or output jacks directly the chassis.
If you like this, don’t miss on of our favorite tube projects,
[Bruce’s] Poddwatt
.
| 8
| 8
|
[
{
"comment_id": "174429",
"author": "vlc",
"timestamp": "2010-08-28T16:04:52",
"content": "Is this dolby digital? :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174436",
"author": "Bob",
"timestamp": "2010-08-28T16:29:54",
"content": "What a glorious wooden enclosure.I would love to replace my solid state gear with that preamp and a matching amplifier.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174454",
"author": "Osgeld",
"timestamp": "2010-08-28T18:15:03",
"content": "It looks very well built, but IMO its much too busy with every single surface being a different material",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174513",
"author": "cath0de",
"timestamp": "2010-08-28T21:29:46",
"content": "a human needs to start proofreading mike szczys articles. spellcheck does not a sentence make.whenever i see a word missing or replaced with a similar word i know he did the write-up. i can barely spell myself but i don’t write for a high traffic blog.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174554",
"author": "Hirudinea",
"timestamp": "2010-08-28T22:24:51",
"content": "Well if he ever gets tired of building amps he could make furniture.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174841",
"author": "Addidis",
"timestamp": "2010-08-29T18:34:39",
"content": "Awesome woodwork. I used to be a cabinet maker, in a woodmill. This is really nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174892",
"author": "ibedazzled",
"timestamp": "2010-08-29T21:03:22",
"content": "dazzling?nice word choice. lol",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174953",
"author": "Dino Sawyer",
"timestamp": "2010-08-30T00:03:50",
"content": "One suggestion: Those aluminum disk/donuts around the waist of each tube…. I would add one more to the stack on each tube. The additional donut should be positioned with spacers to just-above the nipples on the glass envelopes.The point is to protect the nips if something should ever fall on top of the amp.Very nice project, in any event.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,385.436726
|
||
https://hackaday.com/2010/08/28/robotic-helicopter-that-can-grasp-a-payload/
|
Robotic Helicopter That Can Grasp A Payload
|
Mike Szczys
|
[
"Robots Hacks"
] |
[
"grab lab",
"hand",
"helicopter",
"lift",
"prosthetic"
] |
Like the Grand Theft Auto RC missions come to life,
this helicopter can grasp objects for transport
. They don’t have to be a special size or shape, and it can lift them even if they are not centered. This is thanks to a load-balancing hand (
originally developed as a prosthesis
) that relies on flexible joints and a tendon-like closing mechanism. As you can see in
the video
, the light-weight chopper has an on-board camera so that the operator can see what is being picked up. This little guy has no problem lifting objects that are over one kilogram while remaining stable in the air.
[Thanks Paul]
| 10
| 10
|
[
{
"comment_id": "174404",
"author": "Sammy",
"timestamp": "2010-08-28T13:19:29",
"content": "Very cool",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174411",
"author": "zeropointmodule",
"timestamp": "2010-08-28T13:52:55",
"content": "epic win!Interestingly, with a very slight modification it could be used as a “death from above” BB grenade dropper for pwning the opposition in Airsoft wars… :-)Good luck defending against that one, bonus if the heli includes impact detection so that the opposing team can “shoot it down”…obviously it would need various failsafes to prevent it flying into trees etc, and an altitude limiter to prevent it going out of R/C range.my suggested method here is to use a surplus tyre pressure gauge’s sensor Dremelled out of its housing and hooked up to a PIC12F683’s A-D, with simple coding and a light shield this should work fine.A slightly more expensive option is to use one of the resistive or capacitative altitude sensors, a source being recovered weather balloon transponders (aka Barocaps) or the sparkfun 12 bit resolution sensors.or you can kludge your own relatively easily, using nothing more than a small glass tube filled part way with galinstan alloy and an optical sensor to “trip” when it hits a desired altitude.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174420",
"author": "PocketBrain",
"timestamp": "2010-08-28T14:59:29",
"content": "This is like the ultimate claw game. Except the claw appears to be engineered to actually grip something.Also, one cool way to play fetch.I like the idea to use it for EOD.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174496",
"author": "barry99705",
"timestamp": "2010-08-28T20:49:32",
"content": "Watched the video. Saw “blah, blah, blah, gripper, blah, blah, OMFG it can carry beer!!!”:)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174499",
"author": "tlvb",
"timestamp": "2010-08-28T20:57:05",
"content": "I wonder if it can carry a bag of diamonds? (:",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174523",
"author": "zool",
"timestamp": "2010-08-28T21:55:03",
"content": "it can bring a guinness to a stranded hiker",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174565",
"author": "kelth",
"timestamp": "2010-08-28T22:48:41",
"content": "Thats one Sexy leopard!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174591",
"author": "PodeCoet",
"timestamp": "2010-08-29T01:00:31",
"content": "Choplifter!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174604",
"author": "Vishal",
"timestamp": "2010-08-29T01:55:49",
"content": "Awesome…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174768",
"author": "Egypt Holidays",
"timestamp": "2010-08-29T14:22:25",
"content": "Excellent, will be on everyone’s Christmas list’s",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,385.837269
|
||
https://hackaday.com/2010/08/27/airport-express-speaker-mashup/
|
Airport Express Speaker Mashup
|
Mike Szczys
|
[
"digital audio hacks"
] |
[
"airport",
"express",
"ikea",
"speakers",
"stereo",
"wifi"
] |
[Wei] salvaged the internals from an Airport Express that had a blown power supply. From there he built this
streaming music box
. The case is from an IKEA clock with the face removed. He added some decorative fabric around a grill to make an acoustically transparent front panel. Inside you’ll find the Airport guts connected to a USB charger (replaces the dead PSU) and a set of powered stereo speakers. This simple mashup looks good and frees up space in your junk-parts box.
| 12
| 12
|
[
{
"comment_id": "174187",
"author": "Abbott",
"timestamp": "2010-08-27T18:56:32",
"content": "Awesome build. Just the kind of hacking together that I love to see.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174194",
"author": "Richard",
"timestamp": "2010-08-27T19:14:44",
"content": "Looks like an Airport Extreme, not an Airport Express.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174196",
"author": "slab",
"timestamp": "2010-08-27T19:36:28",
"content": "@Richard: The case is from an IKEA clock, not from the Airport. But I do agree, the final result does look much like an Extreme.The Airport Express is the only model that can do streaming music (through AirTunes).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174213",
"author": "willyshop",
"timestamp": "2010-08-27T20:59:34",
"content": "That’s funny, the ikea clock looks kind of similar to an airport extreme or a mac mini.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174243",
"author": "Jimbo",
"timestamp": "2010-08-27T22:49:50",
"content": "Nice to see the same fabric we bought at Ikea to make a wall hanging appearing on Hack-a-day!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174256",
"author": "McSquid",
"timestamp": "2010-08-27T23:36:03",
"content": "@abbott+1Please god help me clean out my parts drawer",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174263",
"author": "cde",
"timestamp": "2010-08-28T00:32:24",
"content": "It’s a Piro clock, not a Pico clock. 9.99.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174271",
"author": "dext0rb",
"timestamp": "2010-08-28T01:45:16",
"content": "great hack. great idea of re-using that ikea clock – really quite the perfect form factor to match apple aesthetics.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174341",
"author": "strider_mt2k",
"timestamp": "2010-08-28T08:25:52",
"content": "I wonder how it sounds?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174348",
"author": "echodelta",
"timestamp": "2010-08-28T08:56:56",
"content": "Fun and quick. Just a stocking stuffer, though. Only 1 tweeter and 1 mid with no baffle. Only to make bad sounding mpee’s sound $@&%*! yech. Now if only you put 2 of these units in two bookshelf or larger speakers or vintage or period radios. With only one channel wired out of each, L or R. Or any sort of statue with a clock. Like the Venus ‘d Milo with a clock where her tummy ought to be. One big speaker as big as the clock. No tweeters or wizzers. There is no “stereo” in such small spacing, but much lost in the lower HALF of your hearing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174388",
"author": "nevermind",
"timestamp": "2010-08-28T12:20:48",
"content": "Nice idea !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174439",
"author": "kristian",
"timestamp": "2010-08-28T17:01:56",
"content": "@echodelta: thank you! i kept looking at that picture and cringing, but i didn’t want to be the first to say that it can’t sound much better than a cell phone… but hey, some people like it quick and dirty.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,385.687117
|
||
https://hackaday.com/2010/08/27/hydropower-generator/
|
Hydropower Generator
|
Mike Szczys
|
[
"green hacks"
] |
[
"cabin",
"generator",
"hydropower",
"pelton",
"stream",
"turbine",
"water",
"wheel"
] |
[Paul] wanted to have access to renewable energy at his cabin. It’s a relaxing place, nestled in a tall forest that shelters him from the sun and wind. This also means that solar and wind energy aren’t an option. But there is a stream running through the property so he decided to build his own version of
a small water-powered generator
.
He tapped into a reservoir about 200 feet upstream, split the flow into four smaller hoses, and channeled that into a five-gallon bucket. Inside the bucket you’ll find
a Pelton wheel
he built which turns a low-RPM generator. He manages to generate 56 VDC at 10 A with this setup, more than enough to charge a bank of batteries.
He does a great job of explaining his setup in the video after the break. If you’re looking for other ideas of how to cut down on your environmental impact check out this
compost-powered water heater
.
[youtube=http://www.youtube.com/watch?v=Vn1EtGRRkSo]
| 36
| 36
|
[
{
"comment_id": "174139",
"author": "ferdi",
"timestamp": "2010-08-27T17:15:19",
"content": "This is not a niewe ideei see it beforeon discovery chanel whas a programabout green seltion on problemsit whas whit tha colenel dick from screpheap chalens en u athur guyi dont no that program name",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174149",
"author": "David S",
"timestamp": "2010-08-27T17:40:07",
"content": "That is so cool. I hope I have the reason to build one like that sometime.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174153",
"author": "s0crates82",
"timestamp": "2010-08-27T17:47:51",
"content": "might wanna consider putting a screen over the feed end up river, and drill a hole or two in the pipe near the top and put screens over those too. that way you can keep the flowrate unchanged, but keep foreign objects out.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174155",
"author": "Masta Squidge",
"timestamp": "2010-08-27T17:55:21",
"content": "I can’t wait to see this thing refined. This could potentially be a very very good way to power your junk out in the woods. Surely this isn’t viable all over the country/world due to the height difference required, but nonetheless it can be useful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174157",
"author": "PocketBrain",
"timestamp": "2010-08-27T17:59:13",
"content": "I have always wanted to use a stream or river for power generation; you could couple the torque for use with machines (such as a heat pump for your fridge) to increase efficiency over electric generation -> motor transition, which has two lossy transduction processes. Turn a mill, run fans for air circulation, washing machine, what have you.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174182",
"author": "Jake",
"timestamp": "2010-08-27T18:46:23",
"content": "Haha! This is so cool!!!My family has a place on lake michigan, where there is almost constant waves (sometimes very large ones). I have been considering trying to make some device that would create power from the back-and-forth motion of that water….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174186",
"author": "Scott Jaeger",
"timestamp": "2010-08-27T18:53:13",
"content": "Great job. What is the vertical distance?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174189",
"author": "UltimateJim",
"timestamp": "2010-08-27T18:58:29",
"content": "Props on a local hack!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174193",
"author": "Ragnar",
"timestamp": "2010-08-27T19:08:15",
"content": "Maybehttp://en.wikipedia.org/wiki/Gravitation_water_vortex_power_plantis the thing to do wherever you are vertically challenged.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174200",
"author": "Standard Mischief",
"timestamp": "2010-08-27T20:15:10",
"content": "I’m getting(56 * 10 * 24) /1000 = 13.44 KWH per day(V*A*hours)/convert to KWHSo he’s making the equivalent of maybe a $65/month power bill. That’s plenty for me at home unless I need to heat or cool with it.He should be able to plug in, as is, any motorized tool that takes brushes (look for two prong plugs, “double insulated”, or universal motors) and run them pretty well at 56 volts. Off the top of my head, that’s my power drill, my circular saw, and my blender (for adult beverages at the end of the day)Pretty cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174210",
"author": "Ask Dr. Stupid",
"timestamp": "2010-08-27T20:49:57",
"content": "I’d be careful about how long he lets this thing run uninterrupted. It looks like the parts he used in the actual turbine disk are not going to take kindly to the type of fatigue they’ll be susceptible to.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174215",
"author": "defsix",
"timestamp": "2010-08-27T21:13:08",
"content": "What kind of current is he capable of generating before it stalls ? Generating Voltage is pointless without the current to back it up.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174217",
"author": "nebulous",
"timestamp": "2010-08-27T21:20:58",
"content": "@ ferdiYeah, I know what you mean. That show had some good ideas, some less practical ones, but it was a lot of fun.But please use some resources on the ‘net to improve your English spelling. (you seem Dutch, from your spelling, net als ik)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174218",
"author": "Tim",
"timestamp": "2010-08-27T21:23:05",
"content": "I don’t think he can really draw 560 W out of this thing. According to the chart he references, the 56V is at no load (zero current), and the 10A measurement is when the output is shorted. So the Thevenin equivalent circuit would look like a 56V supply and a 5.6 ohm resistor. Maximum power transfer will happen when the load resistance is equal to the Thevenin resistance, so maximum power transfer will have only 5A flowing and the voltage seen across the load will be about 28V, so the power transferred would only be 140 W.I could be wrong – I haven’t actually worked with this alternator, or maybe I am mis-applying the theory here. But it looks to me like he would only be able to pull 140W from this thing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174222",
"author": "cliff",
"timestamp": "2010-08-27T21:48:13",
"content": "water turbines work better, and are much more efficient. 50 foot section of 4 inch PVC on a 1/12 drop will drive a good sized turbine, around 50 amp or so.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174224",
"author": "Andy",
"timestamp": "2010-08-27T21:53:20",
"content": "This setup won’t produce 560 watts. 56 volts is the open circuit voltage. When loaded, the output will be less. From the DC-540 tech data:“Voltage readings were recorded with the circuit open (No Load) while Amperage was recorded with the output shorted (Max Load)”The actual voltage and current output will be somewhere between those two values depending on the load.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174241",
"author": "Wouter",
"timestamp": "2010-08-27T22:41:06",
"content": "To regulate the flow automatically in summer he could use a small motor attached to the valve already in place in some way. Then you would have a good 2 inch automatic valve",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174253",
"author": "Danny",
"timestamp": "2010-08-27T23:21:52",
"content": "Everybody please, c’mon when there is any load of some sort the mechanical stress on the alternator will stall the whole thing in no time. With this setup I estimate a max power of 20 Watt.Of course the 20 Watt is a rough estimation. But if u don’t believe the other bit, try to turn a electrical (permanent magnet motor) with an without a load en notice the difference in torch needed to turn de rotor.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174259",
"author": "Urza",
"timestamp": "2010-08-27T23:42:52",
"content": "I’ve been thinking of doing something similar for my apartment. We pay for electricity, but not for water. :)Of course, that would be a terrible idea, but it’s an interesting thought…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174265",
"author": "Drew",
"timestamp": "2010-08-28T01:05:13",
"content": "This is excellent! I always like seeing solutions to power in the middle of nowhere.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174266",
"author": "Ryan",
"timestamp": "2010-08-28T01:07:03",
"content": "A max of 20 watts? Really? Do you realize how much power these type alternators are meant to put out? This thing isn’t built out of legos people.http://www.windbluepower.com/ProductDetails.asp?ProductCode=DC-540&Show=TechSpecs",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174291",
"author": "Dan",
"timestamp": "2010-08-28T03:37:50",
"content": "Hey Danny,As mentioned in the article the output is sufficient to charge a bank of batteries, so the use is much like a solar panel. Any large instantaneous current demand would be supplied by the batteries and not choke out the generator.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174324",
"author": "Tim",
"timestamp": "2010-08-28T06:34:27",
"content": "Right, we all appreciate that its a large generator, but it is being tested under no load. When you try to take electrical power out of it to do work, there will be a force that opposes the motion of the axle, proportional to the amount of power you are taking from it.If you have any little motors lying around, try spinning it with and without the contacts shorted. Its becomes very hard to spin to spin when they are shorted.20W sounds low, but his point is that the generator will simply stop spinning if you try to take too much power from it. It will definately not be spinning anywhere near the speed in the video.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174346",
"author": "D-Lite",
"timestamp": "2010-08-28T08:49:27",
"content": "Let’s approach it from the physical side: you cannot get more energie out of a system than you put into it. 1.7 liters of water per second via a 2″ pipe means a mass of 1.7 kg moving at a speed of 0.8 m/s (sorry, I have to switch to metric here ;). This gives a kinetic energie of 0.57 Joule/sec which is .. 0.57 Watts. I know, this sounds pretty low but I dont’s see an error in my calculation at the first glance.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174387",
"author": "D-Lite",
"timestamp": "2010-08-28T12:13:33",
"content": "Ooops, big mistake in my calculation: to estimate the velocity of the water exiting the nozzles, one has to calc with the diameter of the nozzles (4x 1/2″) and not with the diameter of the feeding line, like I did. This results in a much higher egress velocity (13 m/s), leading to a total maximum power of over 140 Watts. Because the turbine design isn’t that close to an optimal pelton turbine, I would probably expect to see about 100 Watts of electrical power at the output of the generator. I really would like to see some real world measurments of Pauls setup for comparsion :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174397",
"author": "Mike",
"timestamp": "2010-08-28T12:56:51",
"content": "I visited a remote fishing camp on the Yukon River this summer that had a very similar setup. I was impressed by how much equipment that this setup was able to power:http://www.flickr.com/photos/fairbanksmike/4828060247/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174398",
"author": "gac",
"timestamp": "2010-08-28T12:58:26",
"content": "I thought the only load he was looking at was charging batteries. Maybe I haven’t thought this through sufficiently, but it seems to me that if you put a load on a bank of batteries, they shouldn’t drop substantially enough to shut down the alternator.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174401",
"author": "Colin",
"timestamp": "2010-08-28T13:07:01",
"content": "Popular Science article:http://www.popsci.com/archive-viewer?id=cwEAAAAAMBAJ&pg=87&query=water+turbineFrom May 1977.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174412",
"author": "cgmark",
"timestamp": "2010-08-28T13:54:34",
"content": "Nice ideaTo regulate the flow I would use a centrifugal governor . It is purely mechanical and works well on things that have uneven pressure. They were designed for use on steam engines because steam wasn’t usable at the time because it would deliver pressure in spurts and high and low depending on temperature could drive a machine too fast or slow. You would attach a shaft that has a hole through the shaft on one end to your water generator and put a short length of wire through that hole. Glue or epoxy the wire so it doesn’t slide out with equal lengths of wire on each end. On each end of the wire put some lead weight. The wire needs to be flexible enough so that with the weight applied it falls down beside the shaft. As the shaft picks up speed the weights will fly out, the faster it spins the more they will raise up and slow down the shaft regulating the speed. You will have to experiment with the amount needed to get the desired effect.For bringing the water to the generator I would use vinyl tubing not PVC. PVC has a large loss to friction that really adds up over distance as well as the pressure loss from every elbow added. Vinyl can keep almost the same pressure all the way to the end even with lots of turns.The generator I would improve by increasing the surface area that the water contacts inside . Cut some 2″ pvc in half lengthwise about 12″ long . Arrange them so they are vertical forming a circular shape with a center axis. That should up the contact area and lower the water requirement.Another thing you can try is a water wheel . It depends on the height that you can raise the water above the wheel and lets gravity help to increase the water force. A 1″ pipe at 20psi can drive a pretty large wheel if the water falls from about 5 feet above it.A good solar panel based charger would work well here .",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174425",
"author": "Bob",
"timestamp": "2010-08-28T15:39:15",
"content": "You probably only need to charge a notebook and cellphone, and power fluorescent or LED lighting for a couple hours per day.The water stream runs 24 hours per day, so with a big bank of batteries you might even have power to spare.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174461",
"author": "Itwork4me",
"timestamp": "2010-08-28T18:41:23",
"content": "Can he take the water coming out and run it back in? Mainly with a one way valve before the 4 hole inlet. If so it would seem like you could have an over unity machine. Or how about the water gets collected and heated by an electronic coil cased off the heat output of the motor to create a turbine steam engine? I’d be very curious for a reply.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174464",
"author": "defsix",
"timestamp": "2010-08-28T18:53:31",
"content": "Did I miss where he mentions Amps? If he is purely using this to charge batteries then it would work using a charge regulator which would vary the load applied to the generator to obtain max current from it without stalling it. This would then charge his battery bank.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174552",
"author": "Sparky",
"timestamp": "2010-08-28T22:15:27",
"content": "When charging batteries, you can’t really stall the generator, because when it slows down, the voltage drops (I assume, if it’s not regulated), and so the current drops as well, which means the required torque drops. You just needs some simple electronics to keep the batteries from overcharging, and from driving the generator when there is little or no water to drive it. Of course this only works with permanent magnet generators, not with alternators.If you would attach a switchmode power supply, you could stall it; these power supplies effectively have a negative input impedance, when the voltage drops, the current has to rise, to keep the power constant for the output (neglecting losses, of course).@Itwork4me: you might consider taking some physics classes when you grow up.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "175119",
"author": "Sp`ange",
"timestamp": "2010-08-30T12:30:59",
"content": "Suppose you use the power from the batteries to power a pump to put the water in a raised basin. Then, you generated power from that basin.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "191025",
"author": "asheets",
"timestamp": "2010-10-04T23:05:07",
"content": "http://www.otherpower.com/otherpower_hydro.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "416216",
"author": "SgtCharlie",
"timestamp": "2011-07-11T18:05:48",
"content": "Sp`ange,You’re never going to generate more power than it takes to pump the water back into the basin.I have 16 acres in Tennessee that has a small, year-round stream on it, and I plan on doing something like this.Any thoughts on using a induction propellor from a jetski to turn a perminent magnet generator using a 4 inch PVC Pipe, much like a Kaplan turbine. Given that I have enough head, of course.http://en.wikipedia.org/wiki/Kaplan_turbineAny thoughts would be more than welcome.As to usage; this will be for a completely off-grid reirement home with a bank of deep-cycle PV batteries, coupled with solar and wind power generation.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,385.509878
|
||
https://hackaday.com/2010/08/27/iphone-drum-machine-isnt-synthesized/
|
IPhone Drum Machine Isn’t Synthesized
|
Mike Szczys
|
[
"digital audio hacks",
"iphone hacks"
] |
[
"arduino",
"iphone",
"open sound control",
"osc",
"solenoid",
"touchosc"
] |
There was a time when a drummer would grab some sticks and lay out a groove using the items around him as instruments. [Lsa Wilson] would rather not work quite that hard and has chosen to
do the same thing by tapping on an iPhone screen
. As you can see in the clip after the break, many of the items in the room around him have been fitted with solenoids. Each is connected to an Arduino which is then controlled by
Open Sound Control
and interfaced with the iPhone via
TouchOSC
. We love the sounds being created and can’t help being reminded of
the Multixylophoniomnibus
.
| 11
| 11
|
[
{
"comment_id": "174115",
"author": "Jordan",
"timestamp": "2010-08-27T16:29:34",
"content": "The Multixylophoniomnibus link is dead. Perhaps a misspelling?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174118",
"author": "Jordan",
"timestamp": "2010-08-27T16:32:36",
"content": "Sorry, not a misspelling. It simply doesn’t have it’s own site yet….*sigh*",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174121",
"author": "Mike Szczys",
"timestamp": "2010-08-27T16:41:41",
"content": "@Jordan: Nope, you were right. That was a bad link.Thanks for pointing it out. Fixed.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174124",
"author": "Freax",
"timestamp": "2010-08-27T16:47:39",
"content": "For a moment I hoped they would be hitting iPhones with drumsticks…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174125",
"author": "fartface",
"timestamp": "2010-08-27T16:48:45",
"content": "Touch OSC has been around forever. I control DJ gear with it.Cant believe people are only now “discovering” it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174133",
"author": "Troll_Dragon",
"timestamp": "2010-08-27T17:03:37",
"content": "Yawn…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174137",
"author": "Atomic Dirt Bike",
"timestamp": "2010-08-27T17:13:51",
"content": "A chrome advertisement instead of a video? Do I smell one of those new non-compatible HTML “standards” like HTML5? Great. I know one video I’m not watching today.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174145",
"author": "Atomic Dirt Bike",
"timestamp": "2010-08-27T17:35:09",
"content": "Oh apparently that IS just an ad, and not a video. Now I’m a paranoid HTML5 bigot. >.<Anyway, this is really cool. I guess I'm just sad that there's no video now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174146",
"author": "Atomic Dirt Bike",
"timestamp": "2010-08-27T17:37:15",
"content": "Aha! Laziness conquered and videos found. Success! This is crazy awesome.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174225",
"author": "zool",
"timestamp": "2010-08-27T21:58:31",
"content": "why’s that guy in some abandoned attic",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174561",
"author": "Jordan",
"timestamp": "2010-08-28T22:38:36",
"content": "@zool:I have a feeling it’s his attic",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,385.639434
|
||
https://hackaday.com/2010/08/27/devote-your-life-to-replicating-a-lightsaber/
|
Devote Your Life To Replicating A Lightsaber
|
Mike Szczys
|
[
"Toy Hacks"
] |
[
"force fx",
"hasbro",
"lightsaber",
"machining",
"replica",
"star wars"
] |
Life-sized Star Wars replica props, it’s one way to keep the ladies away. But if you’re going to make them, you should do it right. [Bradley W. Lewis] spent some serious time
getting this [Obi-Wan Kenobi] lightsaber right
. The seven-page build log provides plenty of eye-candy. We especially enjoyed the machine and coloring of he grenade-fin portion. The LED ladder that lights the blade is also quite interesting. For the icing on the cake he incorporated a high-performance speaker connected to the sound board from a Hasbro Force FX which provides that classic swashbuckling sound from a galaxy far, far away.
| 21
| 21
|
[
{
"comment_id": "174088",
"author": "JB",
"timestamp": "2010-08-27T15:15:24",
"content": "It takes an extreme geek to machine his own parts and build this (or a jedi). Love it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174089",
"author": "Chickenbisket",
"timestamp": "2010-08-27T15:16:04",
"content": "He has another lightsaber build going on right now on SomethingAwful.http://forums.somethingawful.com/showthread.php?threadid=3330639",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174091",
"author": "Shadar",
"timestamp": "2010-08-27T15:18:15",
"content": "His ANH Graflex was even better… join us at TCCSS ;) Link ishttp://www.slothfurnace.com/sabers/ANHLuke_01.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174098",
"author": "grenadier",
"timestamp": "2010-08-27T15:36:41",
"content": "Needs more blue laser.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174104",
"author": "Kevin",
"timestamp": "2010-08-27T15:47:19",
"content": "Light sabers are not toys!http://www.youtube.com/watch?v=CspZjHBt_TI",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174107",
"author": "Brandon",
"timestamp": "2010-08-27T15:54:09",
"content": "Very nice build. There is a company in Texas that makes replicas, always wanted to get one.http://parksabers.com/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174120",
"author": "caps",
"timestamp": "2010-08-27T16:40:25",
"content": "You can build the hilt for Obi Wan lightsaber for like 30 bucks in plumbing. In fact, most of the lightsabers costed about 30 bucks to make. A lot of them were made out of the tube part of old flash guns and bits of windshield wiper blades. However, the Obi Wan one is really the only one you can build afforadably anymore since after everyone found out about the lightsabers being made out of old camera flash guns, the price on flash guns skyrocketed.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174132",
"author": "SteveO",
"timestamp": "2010-08-27T17:03:28",
"content": "I have been thinking about the 1W blue lasers and a light-saber combination. place a rectactable FM antenna in the center with a slightly concave mirror on top. shooting the laser at an offset angle from the base to hit the mirror could have the laser wrap all the way around the antenna if the angles were proper. This would be as close to a working light-saber as you could get with today’s tech… put a motorized antenna on it, and it would even extend retract w/ the push of a button.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174134",
"author": "layne",
"timestamp": "2010-08-27T17:05:52",
"content": "OMG。。。",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174174",
"author": "cmholm",
"timestamp": "2010-08-27T18:20:00",
"content": "No, Shadar, repeat after me: “His ANH Graflex sux. Converting Graflex flash units into movie props makes Joe Rosenthal spin in his grave.”But, I guess I shouldn’t care. I already found a complete Speed Graphic kit that was passed on to that great eBay in the sky *with* the flash.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174212",
"author": "MrCritic",
"timestamp": "2010-08-27T20:51:19",
"content": "@SteveO, exactly what I was thinking!You could then flip a switch, have the “beam”emerge from the device, and it would actuallybe somewhat faitful to the concept.However unless you’re running megawatt powerlevels, you won’t be amputating limbs of rowdybar patrons pulling out a blaster on you.From a proof of concept standpoint, I thinkit would be a reasonable prototype. But thecore technology to capture the energy levelrequired to deploy such a device as a usableweapon systems platform currently doesn’texist (or maybe it does in some classifiedDARPA lab).The beam would have to sufficient energydensity to cut thru material, without hittingthe core extension rod. In the Star Warsrealm, we all ASSumed, that it was a purelight beam. My conjecture is, a metalliccenter piece must exist to contain the beamin some way.Also, you’d need a sufficiently small powersource with huge energy storage capacity.Eh, gonna need a lot of “convergence” ofdifferent technologies to bring it to reality.Like Leonardo Da Vinci’s drawings being aheadof their time (except the core technologiesdid not exist back in his time).Wonder if Lucas Film will be suing thedevelopers – in perpetuity….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174285",
"author": "c--b",
"timestamp": "2010-08-28T03:06:22",
"content": "Probably the most accurate way to recreate a working light saber would be an array of lasers around the base with fast adjusting focalpoints, that using mirrors (Like in barcode scanners scan the lasers up and down so that the different focalpoints overlap and turn the air into plasma.You might be able to do it with one laser in the blade.Now we just have to make lasers capable of outputting a joule of energy constantly without melting that you can hold in one hand, and a power source small enough to carry in said hand.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174343",
"author": "strider_mt2k",
"timestamp": "2010-08-28T08:35:02",
"content": "Mega incredible.I’m absolutely floored.Beautiful work, and a fitting tribute.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174406",
"author": "Bradley Lewis",
"timestamp": "2010-08-28T13:31:22",
"content": "Wow, thanks everyone! I am so glad you liked the builds!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174432",
"author": "strider_mt2k",
"timestamp": "2010-08-28T16:14:14",
"content": "Liked? LIKED?understatement",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174455",
"author": "Myke",
"timestamp": "2010-08-28T18:19:43",
"content": "This guy doesn’t know how to wire LEDs.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174520",
"author": "livat",
"timestamp": "2010-08-28T21:43:35",
"content": "Nice futuristic ideas about a laser beam at the handle, but i always thought of it as some confined plasma… If I were to imagine something, I would say there’s a metal rod in the middles magnetically confining the plasma, which is excited by an RF generator at the handle. If you wanna shoot far, think of a small fusion reactor in your hands, that would give you the required self sustaining temperature :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174570",
"author": "medwardl",
"timestamp": "2010-08-28T23:19:26",
"content": "very nice only problem I have with it is, it’s so bright it hurts to look at it I’m a bit photosensitive.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174833",
"author": "retepvosnul",
"timestamp": "2010-08-29T18:11:46",
"content": "What a incredible set of skills… to waste on something this mundane.Star wars is just a sci-fi fairy tale rip-off. I is stupid and had no place in geek culture. (nurd culture perhaps).The potential lost here.. wheep.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "181456",
"author": "Rob in Belfast",
"timestamp": "2010-09-15T02:48:17",
"content": "Phreakin’, PHREAKIN awesome!So much detail.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "693403",
"author": "DreadDave",
"timestamp": "2012-07-03T06:24:11",
"content": "A lightsaber (in the films) is obviously controlling plasma with high-frequency magnetic fluctuations, not a physical mirror. There need be no center rod, the frequency modulation controls the intensity and color of the ‘beam’.Basically a VanDerGraff Generator on steroids. Generator wold be spinning in the base, focused out to a specific length. This gyroscopic effect would explain why the weightless blades act as if they had real heft to them, and also produce the accompanying Doppler Effect noises.How I always imagined it anyway.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.116606
|
||
https://hackaday.com/2010/08/27/spy-video-trakr-first-impressions/
|
Spy Video TRAKR: First Impressions
|
Phil Burgess
|
[
"Reviews",
"Robots Hacks",
"Toy Hacks"
] |
[
"maker faire",
"robot",
"spy",
"toy",
"tracker",
"trakr",
"video",
"wild planet",
"wireless"
] |
At the Bay Area Maker Faire this past May, we had our
first glimpse of Wild Planet’s Spy Video TRAKR
, a $130 radio-controlled toy with some surprises under the hood.
On the surface, the Spy Video TRAKR — the latest addition to the popular
Spy Gear
toy line — is an R/C tank with a video camera and night vision, with the added ability to download new “apps” from the internet for extra functions. With a little detective work, one uncovers the TRAKR’s secret double life: it’s also an eminently hackable robotics platform! Prior Spy Gear toys have been popular hack targets, providing inexpensive, mass-produced sources of unusual items such as head-mounted displays. Rather than throw up barriers, Wild Planet has chosen to embrace this secondary market, with plans to release development tools and documentation making it possible to extend the device’s capabilities.
Read on for our image-heavy unboxing and initial impressions.
Wild Planet provided us a unit for testing, with their assurance that this is identical to the package now arriving on store shelves.
The packaging is outwardly consumer-oriented — this is, first and foremost, a kids toy after all — and the “USB Connected” and “Download & Build Custom Apps” labels are about as technical as it gets on the outside.
Batteries not included. You’ll need plenty. And did you ever expect to see Linux mentioned by name on anything at Toys R Us? Awesome!
Internal packaging is minimalist and largely
recyclable
. No twist ties, no staples, no plastic bubbles, no registration cards or catalogs. Much appreciated! We’ve seen much
smaller toys with far more gratuitous packaging
, so this was a welcome relief.
The entire contents of the box are as follows:
The TRAKR vehicle itself, with antenna in the stowed position.
Snap-on “transport deck,” seems to be of little use other than to provide a seat for G.I. Joe or the adorable tiny kitten in the looming flood of YouTube videos.
Remote control unit.
Single page instruction sheet.
Four foot long banana yellow USB A to mini-B cable.
The TRAKR vehicle is a stubby, squat tank, measuring about 10 inches wide and 7 inches long. Six AA cells install behind a cover on the underside of the unit. The total weight with alkaline cells is 1065 grams, or about 2 pounds 5 oz. Picks up easily with one hand.
The front of the TRAKR vehicle features a number of sensors. Left to right, these include: microphone (the white circle at the left), a presently-unused accessory connection port which appears to contain a bump switch, the color video camera and infrared LED for
night vision
, and speaker (larger white circle at the right). The camera can be pivoted from straight ahead to about 30 degrees upward, but there is no
servo
control of this function; it must be manually positioned.
The rear wheels of the TRAKR have independent electric motors; the front wheels are passive, driven by rubber treads. All the wheels are held on by triangle security screws, so replacing these with fancy R/C car tires probably won’t come easy.
With the transport deck removed we can see the ports on the back of the TRAKR: an
SD card
slot for storing photos and video (also SDHC compatible), the USB mini-B connector for attaching to a PC (or Mac, etc.), and a USB type A connector that currently serves no purpose, but might be related to future accessories (and hacks, of course).
When connected to a host computer, the TRAKR appears as a 1-megabyte FAT12 filesystem. New apps, downloaded from the Spy Video TRAKR web site, are installed by simply copying the corresponding .bin file to the APPs directory on this flash drive. It’s quite a bit like the
mbed microcontroller
in this regard. With the three factory apps pre-loaded, there’s about 900K free space remaining. Additionally, the TRAKR can function as an SD card reader when attached via USB.
The remote control unit is a bit over 5 inches high and wide. Four AA cells install behind a back cover, and the total weight is 392 grams, or about 13.5 oz. The size and heft of the controller is sufficiently comfortable for both young and adult hands. There are two single-axis sticks for driving the tank
Battlezone
-style, five buttons (one dedicated to the “home” function, the rest being app-specific), a power and volume switch, speaker, and a 1.75″ color LCD screen in the center. Though the sticks have an analog feel, in practice they appear to be simple non-proportional controls.
The LCD looks to be half-QVGA resolution (160×120). The video feed averages a good 15 frames per second over the device’s wireless (2.4 GHz, but not WiFi) connection.
Night vision is provided by a single 8mm near-infrared LED, with a range of about six feet.
The camera can also take QVGA (320×240) color stills, and half-QVGA (160×120) video, recorded to the SD card as JPEG and AVI, respectively. Here are some unprocessed stills directly from the memory card:
Something interesting we noticed with outdoor use is that most trees appear red, due to the camera’s sensitivity to infrared light. This generally isn’t a problem with images taken indoors under normal lighting.
The TRAKR ran a bit quieter than we expected, and had no problem clearing door thresholds or running across and between different floor surfaces. Having a camera barely over two inches off the ground may seem to be of questionable utility — the
WowWee Rovio mobile webcam
, for example, can raise its point of view about a foot for a better perspective — and, to be honest, at first the whole thing seemed a bit pointless. But the more time we spent driving around, getting into the mindset and reliving the countless hours of our youth spent with a
Big Trak
(sort of a 1980s progenitor to the TRAKR), the more apparent it was that this is the ideal perspective for the toy’s intended audience: kids aren’t contemplating edge filters and object tracking algorithms…they’re doing
important kid things
, running James Bond spy missions, knocking over action figures and army men and chasing after the cat. And as you see above, the camera is set perfectly at action-figure-and-cat-terrorizing height!
So that’s an overview of the TRAKR as it comes straight from the box. To do more, we begin by visiting the Spy Video TRAKR web site:
The “Download Apps” link currently leads to a list of about a dozen simple apps developed in-house:
None of the apps is particularly outstanding; they appear to be for illustrative purposes, each one demonstrating a single idea and not wanting to overwhelm the budding programmer. Most range from about 20 to 40 kilobytes.
Clicking an app name reveals more information — a description, download link for the compiled app, and also a source code link for us geeks. Unfortunately, that’s where the fun ends for now. “APP BUILDR,” the code editor and compiler which works online (again like the aforementioned
mbed
microcontroller), is not yet accessible:
NOOOOOOOOOOOO!
The Spy Video TRAKR was originally slated to ship this fall for the holiday shopping season. Wild Planet managed a great head start at getting the TRAKR into production and distribution — we have the toy in-hand and you can already find this at a number of retailers — but the software is still on its original schedule for an October release. We understand software timelines and are sympathetic to that reality, but this does mean there’s little sense of urgency if your main interest in the TRAKR was for programming. It can wait.
In the interim, we can start to deconstruct the development process with the small bits of information available. From Maker Faire, we do know that the TRAKR contains an
ARM9
processor, and is programmed in C. And while the code editor isn’t yet online, we can follow the “Download Source” link for an app to retrieve its source code. Here’s an excerpt from one of the demonstration programs:
Indeed it’s C, with just a light wrapping of functions (e.g. Start() and Run() instead of a main() function). There’s clearly a Spy Video TRAKR-specific API (svt.h) for accessing hardware functionality like the TRAKR’s motors or the controller’s buttons and display, but documentation for this library isn’t available online yet.
At this point, we’re still dealing entirely with standard, as-advertised, out-of-the-box capabilities. The thing about the TRAKR that really made us stop and take notice at
Maker Faire
, the thing that has us genuinely enthusiastic about the product even though this article probably sounds like a total corporate shill by now (we approached them first, honest), has everything to do with the toy’s Easter egg:
It’s a sublime detail: the clear letters on the otherwise frosted cover just above the rear ports hint at intriguing stuff within. The cover is held on with just a couple of ordinary Phillips screws. Say, were you the sort of curious kid who’d dismantle their toys to see what makes them work? We thought so.
On the outside: the URL for the consumer. On the inside: the URL for the inquisitive. Just a fraction of an inch and a thin sheet of plastic apart. It’s absolutely brilliant, and there’s no mention of this on the packaging or the standard web site.
So — in addition to the standard app web site, a second web site (and sadly an equally unfinished one at this time) is planned to delve even deeper into the system’s inner workings. But even without this information, we can see hints of what’s ahead just by examining the board, which they’ve thoughtfully labeled. We can make out an unpopulated third USB port, an unpopulated switch connector, a breakout header that appears to have eight
GPIO
lines and one analog input, and a smaller breakout header for an
SPI
port of some sort (perhaps debugging).
Additionally, both the TRAKR and the remote control have switches and ports concealed under access panels:
The trim pots on the TRAKR are almost certainly for tuning the radio transceiver. The switches on both units are labeled “USB” for one position and “SPI” for the other, and this appears to be related to debugging or flash memory programming. Both switches ship in the “SPI” position.
It’s encouraging to see the Spy Video TRAKR following the lead of other open robots like the
Roomba
and
Rovi
, and we hope to see it gain a similar following. There may still be more surprises within. With our basic review completed, watch Hack a Day for a full
teardown
in the future.
So, readers, what hacks can you envision for such a device? Telescoping camera stalk? Hexapod legs? Weaponry? Are there any particular features you’d like to see more closely investigated in our teardown? Let’s hear about it in the comments!
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[
{
"comment_id": "174031",
"author": "minipimmer",
"timestamp": "2010-08-27T11:53:49",
"content": "If the purpose of this gift was to convince your readers to buy one. I am sure it worked. I am definitely getting one of these things as soon as they sell them.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174032",
"author": "StrangerAgent",
"timestamp": "2010-08-27T11:54:21",
"content": "Really nice review Hackaday! Thanks for taking the time to give us what we want.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174036",
"author": "PreNomadBrad",
"timestamp": "2010-08-27T12:14:49",
"content": "Just a side note, you mention the transport deck being “of little use”, personally when I saw it, all I could think is that they were kind enough to provide a mounting surface for external micro controllers. Mine of choice would be the Arduino right now, then you could fix that non servo controlled camera angle…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8117458",
"author": "Daniel Gooch",
"timestamp": "2025-04-10T16:15:33",
"content": "Or a USB missile launcher.",
"parent_id": "174036",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "174037",
"author": "Sprite_tm",
"timestamp": "2010-08-27T12:16:37",
"content": "In case you didn’t notice: the QR-code next to the camera also points to the trackrhackr website. Kudo’s for the good pics btw: my N900 managed to pick up the code off my lcd using its camera.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174038",
"author": "Steve-O",
"timestamp": "2010-08-27T12:25:51",
"content": "Sounds like an awesome thing to pick up!! Whats the bar code on the tank for? I tried to scan it with my Evo but couldn’t manage to pick it up because of the angle of the picture I’m assuming.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174039",
"author": "Steve-O",
"timestamp": "2010-08-27T12:26:55",
"content": "ignore my last post! Sprite beat me to it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174042",
"author": "ZeUs",
"timestamp": "2010-08-27T12:34:46",
"content": "It hurts having an Android phone beaten by a Nokia.actually my Desire picked it up in <2 seconds (whats wrong with your Evo)What we really want to know ofc: does this drive sales?You can already buy it off Amazonhttp://www.amazon.com/Spy-Gear-Video-TRAKR/dp/B003AZZSQ8and robotshophttp://www.robotshop.com/wildplanet-spy-gear-spy-video-trakr-robot.html?utm_source=google&utm_medium=base&utm_campaign=joswe'll see what happens",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174050",
"author": "Hugo",
"timestamp": "2010-08-27T13:08:23",
"content": "The USB/SPI switches are probably for setting the boot device. Many ARM7/9/CM3 chips have a ROM bootloader that lets them boot from either an external SPI/I2C flash chip, serial, USB, or other options depending on the chip. My guess is that they’re set to USB at production time and the firmware is loaded onto the SPI flash. Then the switch is flipped and they boot from flash until someone flips the switch back and boots from USB. Hmm, very interesting possibilities!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174053",
"author": "rasz",
"timestamp": "2010-08-27T13:16:00",
"content": "Too bad its not Wifi. I envisioned it as a Wifi router with USB ports (and USB camera) on wheels.It would have so much more potential with Wifi, imagine dropping it in the office , going home and then prowling around at night scaring Janitors :) … and stealing company secrets. Oh yes, one robotic arm and we are in business, power up computers, plug in usb cord and steal data :) like in James Bond movies.As it is I doubt USB ports can work in Host mode :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174056",
"author": "Philip",
"timestamp": "2010-08-27T13:28:02",
"content": "Whats the range on the video stream? I think I may have missed it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174057",
"author": "fartface",
"timestamp": "2010-08-27T13:35:15",
"content": "Too bad the camera sucks in it. It’s a great toy for a 15 year old but nothing more.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174067",
"author": "Nivekian",
"timestamp": "2010-08-27T13:57:13",
"content": "I see you measured the width 3 times…. but how tall is it?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174069",
"author": "t0ast",
"timestamp": "2010-08-27T14:00:34",
"content": "Well im sure someone will find a way to add a new camera, but this one is not that bad.Seems pretty cool to me, maybe if I have the extra cash at some point. Just wish the lcd quality was better, and it wifi :[",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174077",
"author": "TheBadWolf",
"timestamp": "2010-08-27T14:20:27",
"content": "FIY,the QR code on the front of the Vehicule contains the url you’ve found inside,I was able to scan it using my cell phone despite small picture quality.So little A you unscrew stuff or little B you’re smart and decode stuff,but for either,you get a url as a reward ;p",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174085",
"author": "oSPANNERo",
"timestamp": "2010-08-27T14:56:38",
"content": "What I am really interested to see is how long before someone will use that nice USB type A for a wireless adapter and code a software emulator for the controller.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174092",
"author": "Cynyr",
"timestamp": "2010-08-27T15:22:09",
"content": "1) more terrain capabilities, seal it so it floats, add bigger flaps to the track, or some sort of one way scales.2) Encoders on the wheels.3) Boosting the TX/RX power for more range.4) Teach it your house layout and make it a patrol bot, add a microphone if it doesn’t have one.5) Some way for it to auto-charge it’s batteries while patrolling around. like the roomba.6) moding the LCD screen to output to some glasses, or eye piece.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174105",
"author": "Phil Burgess",
"timestamp": "2010-08-27T15:50:00",
"content": "Oh, for hack’s sake! I was so busy drooling over the insides that I didn’t even think to investigate the QR code, assuming it was just there for manufacturing data. Derp. Thanks for spotting that, everyone.@Nivekian: to answer your question, it’s 10″ wide. (Kidding!) Okay, height including antenna is also 10″. Without antenna, the highest point on the body (just above the camera pivot) is 4″. The deck varies between 2.25 and 2.5″ high.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174109",
"author": "Bermuda",
"timestamp": "2010-08-27T16:02:26",
"content": "I hate those triangle screws, although ive been able to unscrew a few in the past using a smaller flathead screwdriver(note this)hopefully the trakrhakr website will provide a tutorial on cleaning off the gunk from the arm9 using acetone..are those rubber tracks wimpy or what?doesnt look too mod friendly, hopefully HAD will note all the future upgrades and pass them on to the manufacturers",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174114",
"author": "anonymouse",
"timestamp": "2010-08-27T16:22:20",
"content": "Ahhhh – Big Trak – love this teardown guide:http://www.robotroom.com/BigTrak.htmlAnyway, this looks brilliant, hope comes to UK, and hope gets an equally cheap price here!And hope it PC controllable – and can down with a charging station :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174185",
"author": "biozz",
"timestamp": "2010-08-27T18:49:47",
"content": "the q-code on the front links tohttp://www.trakrhakr.com… amazing!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174192",
"author": "Haku",
"timestamp": "2010-08-27T19:05:23",
"content": "“And did you ever expect to see Linux mentioned by name on anything at Toys R Us?”One of the best computer programming books I ever bought came from Toys’R’Us, back in the 80s, it was a hardware guide to programming the BBC Micro, full of all the peek, poke & assembly language tips to get the machine to do ‘non standard’ things.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174202",
"author": "Nolan",
"timestamp": "2010-08-27T20:17:38",
"content": "It’s getting closer and closer to a really good robotics platform! Now just for a little more documentation :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174204",
"author": "Wild Planet Robin",
"timestamp": "2010-08-27T20:28:47",
"content": "Hi @spannero, @cynyr and @rasz,My name is Robin and I work for the company that manufactures the TRAKR. I don’t have the answers to all of your questions, but I can help you with a few…RE: WIFI – Though that function is not enabled on the unit now, right out of the box, it’s something we’re planning on offering in the future. It’s in the works on our end here and we’re planning to make it backwards compatible.RE: Controlling via PC/USB: There is USB connectivity in the remote. The main purpose of this USB is to allow field upgrading of the firmware and we’re looking in to see what else is possible with this USB port.RE: Battery packs: There’s no technical reason not to have a battery pack, but they are very expensive and drive the cost up substantially, so the TRAKR would be more expensive if we added one. It’s something we’ve wanted to do, and we won’t rule it out forever, but it puts the final product out of reach for a lot of people (from a financial standpoint). Rechargeable batteries are imperfect, but they seem to be the best compromise for now.Thanks for the great conversation guys! I hope this helps answer some of your questions. -Robin / Wild Planet",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174232",
"author": "oSPANNERo",
"timestamp": "2010-08-27T22:12:32",
"content": "Thanks for the info Robin, I really hope you guys are planning on keeping the TRAKR as hacker friendly as possible going forward!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174234",
"author": "Adam",
"timestamp": "2010-08-27T22:14:45",
"content": "Is that a Gorn action figure I see!I’m definatly getting one of these. I don’t have any experience with the ARM micros, but I’ve programmed AVR’s before. Does anybody know if you can use the GPIO pins as serial? Maybe you could add a wifly or wi-mi and make a web controlled robot.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174336",
"author": "Mycroftxxx",
"timestamp": "2010-08-28T08:07:15",
"content": "Hey Robin, why don’t you guys develop and sell a play-oriented wearable computer? You have the industrial designers, electrical engineers, and the corporate know-how to crank out a sub-$120 wearable computer for active play. Aside from the large hacking market, you could stretch the profits on the line by selling thematicly-matching accessories like webcams and whatnot.C’mon, make me the Spy Gear SpyComp I’ve been dreaming of since the eye-link communicator.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174349",
"author": "strider_mt2k",
"timestamp": "2010-08-28T09:03:34",
"content": "great info and a really cool looking toy.ME WANTEE",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174374",
"author": "Dr T",
"timestamp": "2010-08-28T11:22:37",
"content": "Ahh, if it had wifi I would pay twice that price.In its current state I think I will wait.Nice work but. Good to see more developers here at hackaday.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174375",
"author": "rasz",
"timestamp": "2010-08-28T11:25:10",
"content": "Any chance to get a picture of the other side of the pcb? Close up of the radio section?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174413",
"author": "Josh",
"timestamp": "2010-08-28T13:58:20",
"content": "according to the website you can still program it using note book etc. check this site:http://www.spygear.net/help/apps.php(download file and read the codebook etc.)and read this :How Do I Write An App For The TRAKR?TRAKR apps are written in C programming language. Write your app using the code editor or text editor of your choice (such as Notepad for Windows or TextEdit for Mac). ZIP it up along with any associated files required to run your app (including .bin and audio files). Upload the zipped files to Spy Gear HQ. We’ll review and compile the app, then post it to the Apps Database so others can download it.and read thisConnect With spytrakr.com & Download Apps1. Power off the TRAKR2. Plug the yellow USB CABLE into the yellow port on the TRAKR, then plug the other end into your computer. (Your computer must have USB ports in order to do this.)3. The TRAKR folder will appear on your drive as a device if you are using Windows. If you’re on a Mac, it will appear on your desktop or in a Finder window. The name of the device is “TRAKR” (although a few TRAKRs will appear with the name “removable disc”).4. Go to spytrakr.com , and download an app from the Apps Database.5. Save the app’s .bin file to the “APPS” folder inside the TRAKR folder.6. Unplug or eject the TRAKR device from your computer, power it on, and select your app from the menu!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174414",
"author": "Josh",
"timestamp": "2010-08-28T14:02:05",
"content": "sorry you must download app primer from the link:http://www.spygear.net/help/apps.phpDownload the App PrimerThis is a one-time download for Windows and Linux users that includes sample code, a compiler, and instructions for getting acquainted with the TRAKR programming environment. You MUST download this in order to start writing apps for the TRAKR. Download ZIP file (28MB)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174416",
"author": "Josh",
"timestamp": "2010-08-28T14:13:51",
"content": "sorry again from my earlier posts i also want to say that you do this to share apps:How Do I Upload An App To The Apps Database?* Go to spytrakr.com and click SHARE APPS.* Follow the instructions on that page to upload an app to Spy Gear HQ for review.* Once it’s been approved (this can take up to XX days), it will be added to the Apps Database. If the name of your app contains any spaces, we’ll fill the spaces in with underscores before adding it to the Apps Database.If you look in the forum section of the trakr website:http://www.spygear.net/forum/viewtopic.php?f=17&t=98it says they are approving apps sent in by people.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174435",
"author": "Phil Burgess",
"timestamp": "2010-08-28T16:21:57",
"content": "@Josh: Awesome work. I’d spotted that late last night and was going to work it into the teardown post. Missed this info the first time around because it was buried off in a FAQ section rather than “Build Apps” where one might expect it.Long story short for everyone: there’s some preliminary documentation for the TRAKR app library – a function reference and sample code. Most interesting though is a complete offline compiler (should work with Cygwin, but still battling with it here), including source to said library. This is in the ‘Primer’ link that Josh provided above.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174458",
"author": "GnomeToys",
"timestamp": "2010-08-28T18:24:46",
"content": "Dear lord i want one . . . birthday is coming up too. It will be fun disassembling the api libs looking for weird things… maybe rig up a remote shutter for the dslr using one of the outputs . . .",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174465",
"author": "AtkinsSJ",
"timestamp": "2010-08-28T18:56:07",
"content": "I just have to say, hooray for a manufacturer building something with the intention of customers modifying it! Makes a refreshing change.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174589",
"author": "Phil Burgess",
"timestamp": "2010-08-29T00:45:54",
"content": "Presently doing battle with the compiler. Progress!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174605",
"author": "Vishal",
"timestamp": "2010-08-29T01:56:33",
"content": "cool!!…great info",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174607",
"author": "Tod",
"timestamp": "2010-08-29T02:06:51",
"content": "Thinking as a kid, a war games situation comes to mind. Part of that was reinforced by another poster.@1:07 am, Mycroftxxx mentioned wearable computing equip.For a single user…I was thinking of a wearable lasertag-like vest with a wifi signal the TRAKR could follow and hunt… “firing” to light up a “your hit” indicator. Likewise, the wearer could carry a weapon that could temporarily “disable” the vehicle if it gets hit first.For multiple users…Tank/TRAKR warfare. A way to incorporate a laser/sensor system in a way that multiple TRAKR owners could hunt and disable their friends’ unit(s).Many other ideas I thought of were already mentioned. A robotic arm attachment would be cool if it could be long enough but not so long to unreasonably raise the TRAKR’s ceter of balance and cause it to tip over.However… perhaps someone can figure out an automatic righting add-on in case it does tip.(??)All-in-all… Cool Toy!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174628",
"author": "cliff",
"timestamp": "2010-08-29T03:34:23",
"content": "I will just leave this right herehttp://trakrhakr.com/forum/index.php",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174629",
"author": "cliff",
"timestamp": "2010-08-29T03:36:45",
"content": "considering how sensitive the camera is a small IR led flashlight would work pretty well i think. you could have an app to sense for a IR spot on the video and automatically remove function of everything for a set time. not sure about a way to trigger it though. have to think about it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174647",
"author": "Phil Burgess",
"timestamp": "2010-08-29T05:30:33",
"content": "First hack! Will elaborate on this in the follow-up post next week.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174781",
"author": "Phiilip Ryals",
"timestamp": "2010-08-29T15:08:55",
"content": "I just picked one up at Toys-R-Us yesterday, and I have to agree with the writeup… it’s a great looking little device. Just looking over the design, it seems prime for new attachments to be sold, but also for hacks-a-plenty.I’ve started playing with compiling an app for it, but getting the arm toolchain set up properly on a Mac is proving to be difficult. Hoping to get that straightened out soon, and I’ll post a tut.Looking forward to seeing many more tutorials for this little guy. Should be a great robotics platform!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174797",
"author": "Viadd",
"timestamp": "2010-08-29T16:08:35",
"content": "Does the QR code on every TRAKR go to the same place, , or does it also embed a serial number (which redirects to the home page if a device-specific homepage has not been created)? It would be useful for ‘swarming’ applications if these devices could recognize and identify each other. (Hint to the company: a swarm of purchases has a higher profit than a single purchase.)Also, for the person thinking of adding an Arduino for servo control, it is probably easier to use some of the clearly-labelled GPIO pins.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174838",
"author": "chris",
"timestamp": "2010-08-29T18:27:58",
"content": "Awesome toy! I want one! earlier, extra pins were mentioned. would it be possible to program apps to link into those? then you could have all kinds of sensors attached.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174898",
"author": "Josh",
"timestamp": "2010-08-29T21:20:08",
"content": "Thanks for acknowledging me I have already built 2 complex Programs and several simple ones even though I don’t know if they work yet because my computer is second hand from my grandfather (I’m 12) and he messed up the computer so in the command prompt the computer doesn’t understand the make function. Please tell me if there is any way around this without rewriting the make command.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "176300",
"author": "Drone",
"timestamp": "2010-09-02T09:10:35",
"content": "The US Military will pay 1.39 Million USD for this without batting an eyelash.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "176907",
"author": "ENKI-][",
"timestamp": "2010-09-03T21:11:47",
"content": "It *should* be possible (maybe even trivial) to replace the battery compartment with a battery pack and build some circuitry that could make charging from the outside possible (maybe with a pair of contacts either side of the cam, and build a charging station?). Shut off power to the unit while the battery pack is charging, then cut off connection to the charger after the batteries have enough juice (and maybe even back up automatically).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "176972",
"author": "Qubit",
"timestamp": "2010-09-03T23:56:13",
"content": "re: the triangle wheel screws…get the bit here:http://www.mcmaster.com/#triangle-screwdriver-bits/=8ox00aThey’re called Triangle Power Bits",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "200992",
"author": "bob",
"timestamp": "2010-10-22T21:17:06",
"content": "hello,i just picked up the trackr and was ready to do some mods but all the posts end around sept. 20th it’s oct.22 where did all the info disappear to?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "201199",
"author": "Phil Burgess",
"timestamp": "2010-10-23T06:51:54",
"content": "@bob: good question! I was hoping activity might pick up either here or on the official TRAKR forums, but both have been relatively quiet. Not sure why…it’s a potent little platform!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,385.785117
|
||
https://hackaday.com/2010/08/26/led-goggles-make-you-trip-out/
|
LED Goggles Make You Trip Out?
|
Mike Szczys
|
[
"LED Hacks"
] |
[
"arduino",
"goggles",
"hallucination",
"mask",
"ping pong",
"rgb",
"welder"
] |
Who knows if this works and should you really want to try to induce hallucinations by flashing colors in front of your eyes? But we do love the zaniness of the project. [Everett’s] homemade hallucination goggles come in two flavors,
the small swimming-goggle-type
model and the
heavy-duty trip visor
made from welder’s goggles. Each brings together the same components; a half ping-pong ball for each eye to diffuse the light from an RGB LED. The system is controlled by an Arduino with some buttons and 7-segment displays for a user interface. Put this together with some
homemade EL wire
and you’re ready for Burning Man.
[Thanks Evan]
| 30
| 30
|
[
{
"comment_id": "173772",
"author": "damested",
"timestamp": "2010-08-26T20:52:53",
"content": "sam fisher?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173773",
"author": "t&p",
"timestamp": "2010-08-26T20:55:45",
"content": "They do nothing",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173779",
"author": "snac",
"timestamp": "2010-08-26T21:10:52",
"content": "This is nucking futs",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173792",
"author": "Thomas",
"timestamp": "2010-08-26T21:31:04",
"content": "I don’t know about tripping, but it certainly looks like a good way to go blind.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173793",
"author": "mosheen",
"timestamp": "2010-08-26T21:31:11",
"content": "You will see patterns if you close your eyes and wait long enough. It’s not hallucinations, but pretty cool if you’ve never seen them before.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173796",
"author": "osgeld",
"timestamp": "2010-08-26T21:37:34",
"content": "if you close your eyes and apply light pressure you will see fractals (like patterns)…anyway I cant imagine beaming bright flashing colors in your eyes could be all that healthy in the long run, and if you are getting anything off of it, its probably some light dizziness from sensory overload, you could do the same with a loud pulsating sound",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173798",
"author": "ENKI-][",
"timestamp": "2010-08-26T21:45:28",
"content": "This appears to work on the same principle as the Dream Machine.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173800",
"author": "MrCritic",
"timestamp": "2010-08-26T21:49:07",
"content": "Well I’m heavenly blessed and worldly wiseI’m a peeping-tom techie with x-ray eyesThings are going great,and they’re only getting betterI’m doing all right,getting good gradesThe future’s so bright,I gotta wear shadesI gotta wear shadesI study nuclear scienceI love my classesI got a crazy teacher, he wears dark glassesThings are going great, and they’re only getting betterI’m doing all right, getting good gradesThe future’s so bright, I gotta wear shadesI gotta wear shadesI gotta wear shadesI gotta wear shades",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173801",
"author": "Dis Guy",
"timestamp": "2010-08-26T21:51:04",
"content": "Go outside, look at the sun and close your eyes.Take your hand and wave it real fast in front of your eyes.You will start to see all kinds of random shapes and colorsI think this is the same idea",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173804",
"author": "blech",
"timestamp": "2010-08-26T21:58:15",
"content": "@t&p: Was that a criticism, or a Simpsons reference?:-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173810",
"author": "Jon Neal",
"timestamp": "2010-08-26T22:17:05",
"content": "These glasses are actually sold as a kit by Mitch Altman (of Tv-b-gone fame). He sells them as “trip glasses”.http://www.tripglasses.com/I tried them when I went to a soldering class he hosted and while you truly do see really cool patterns and colors I wouldn’t call it tripping. It is rather mesmerizing though!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173820",
"author": "Ford",
"timestamp": "2010-08-26T22:51:09",
"content": "@ENKI-][Yeah, this looks like the same idea as Brion Gysin’s Dreammachine (http://en.wikipedia.org/wiki/Dreamachine), which I’ve tried before and really does work. If these goggles work right, you should see some strange patterns and colors.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173821",
"author": "Hirudinea",
"timestamp": "2010-08-26T22:55:36",
"content": "@t&pI think you mean “Ze Goggles, Zey do Nutsing!”Anyway I thought people took drugs to look cool, so these things are obviously NOT drugs!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173824",
"author": "kyle",
"timestamp": "2010-08-26T22:57:46",
"content": "wouldn’t it be easier to eat say 1/8th of psilocybe cubensis? I mean depending on your location it might be against the law but at least you would actually ‘trip’",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173837",
"author": "Javajunkie",
"timestamp": "2010-08-26T23:34:49",
"content": "dont cornfield electronics (the tv-b-gone guys) do a kit of this?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173897",
"author": "Jesse",
"timestamp": "2010-08-27T03:01:15",
"content": "Looks to me like it’s inspired by the Ganzfeld Procedure, which is indeed very real.Put halved ping-pong balls over your eyes, tune a radio to some nice static, kick back, relax, and wait.Eventually, you’ll start hallucinating, if only just.Hearing people talk, maybe music, seeing horses running off in the distance, simple stuff usually.It’s real, it works, heck, it’s fun!And it seems to have served as some sort of inspiration for this guy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173913",
"author": "Jon",
"timestamp": "2010-08-27T03:31:57",
"content": "It’s the Brain Machine, which is a modification of the Adafruit MiniPOV. I built one last year when Mitch Altman first came to CCCKC and put on his soldering workshop.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173915",
"author": "Jon",
"timestamp": "2010-08-27T03:32:51",
"content": "Make that: In reply to Javajunkie…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173922",
"author": "chris",
"timestamp": "2010-08-27T04:13:23",
"content": "cool",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173958",
"author": "Peter",
"timestamp": "2010-08-27T06:10:05",
"content": "Its easier to make these using just led’s and a printer (lpt) port and run it via qbasic. I remember making a pair years ago. Absolutely breaks your brain on acid.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173978",
"author": "elektrophreak",
"timestamp": "2010-08-27T07:37:58",
"content": "yeah, you trip out when you go blind!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174033",
"author": "Anonymous",
"timestamp": "2010-08-27T11:54:47",
"content": "yeah; appears to be a real thing. Not sure I’d call it tripping, but I can say first hand that it does enhance an existing trip, definitely a bizarre experience to see your visual system hacked liked this, a little like binaural beats( but different ).umm.. lets see, definitely looks a lot like some of the other brain machine hacks we’ve seen. although, it seems to combine the Ganzfeld Procedure with the flicker based brain machine.I imagine one could tune the brightness and harshness of this to get anything ranging from the staring-at-the-sun flicker based hallucinations to more peaceful, slow modulated Ganzfeld based hallucinations.http://content.karger.com/ProdukteDB/produkte.asp?Aktion=ShowFulltext&ArtikelNr=235945&ProduktNr=223840It sounds like the scientific literature is at least calling the patterns you see with the hand+sun trick or the brain machine “hallucinations”, though its not exactly mescaline.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174046",
"author": "David",
"timestamp": "2010-08-27T12:52:50",
"content": "I think the luminosity is safe. LEDs aren’t going to be even as bright as a white object in daylight. Its unclear if the strobing impairs the eye’s ability to adjust how much light enters, but barring that caveat, these should be safe.They almost certainly pose a seizure risk for susceptible individuals. So, be careful about that.These really do work. I’ve seen people space out to this sort of thing four hours on end. I’m not sure if said people were also stoned, or tripping,but you should should definitely see some pretty weird patterns, especially with the color strobes.my favorite quote was “its like an octagon, but with way more sides!” said by someone who was, to all knowledge, completely sober.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174083",
"author": "Kwood",
"timestamp": "2010-08-27T14:47:25",
"content": "There needs to be a bold warning that this can and will cause seizures if you are prone to them.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174110",
"author": "Bermuda",
"timestamp": "2010-08-27T16:09:00",
"content": "Could i use 5w LEDs with this?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174128",
"author": "Everett",
"timestamp": "2010-08-27T16:58:04",
"content": "Thanks, I added a warning. sorry I forgot about that.As you guys have mentioned, this is a somewhat common hack with a long history. I think the neuroscientist Perkinje might have been the first person to describe the phenomena in western literature, based on the simple method of waving an extended hand in front of closed eyes directed at the sun. I haven’t been able to find the original reference to “Perkinje lights” though.I’d be interested in finding the parallel port write-up, or instructions for a simpler version. That brain machine kit is good, but I don’t know if it can do full color Ganzfeld, which is a nice thing to have. There are definitely lots of other ways to generate these stimuli.We’ve definitely played with them a lot, they are good fun at parties where people might already be using hallucinogens, and they do work for -almost- everyone.The luminosity range of standard LEDs does -appear- to be safe, by a (statistically insufficient) poll of opticians and the internet, as mentioned above, but the seizure thing is a very real risk.-Everett.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174177",
"author": "Whatnot",
"timestamp": "2010-08-27T18:28:17",
"content": "Really kwood? If you can’t figure out that if you get seizures from flashes you thus should not apply flashes to your eyes, well then obviously you can’t read either seeing you are either a 2yo or severely retarded, so a warning would be pointless.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174205",
"author": "dei",
"timestamp": "2010-08-27T20:39:15",
"content": "With these goggles, victory for the forces of democratic freedom will be ensured.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174244",
"author": "philip",
"timestamp": "2010-08-27T22:56:14",
"content": "@BermudaDo you wanna make your eyes into sunny side up eggs?Loli know it was probably a joke in the first place, but, that would be a bad, bad day.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174389",
"author": "hunnter",
"timestamp": "2010-08-28T12:29:15",
"content": "Funnily enough, i used this method to concentrate better.Although i imagined it rather than built it.A circle of dots (6 at first), spinning in one eye CW, other ACW.It sounds easy, but it can actually be quite a task to keep “your eyes” on all the dots spinning at once.Helped in getting lucid dreams as well.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.005001
|
||
https://hackaday.com/2010/08/26/so-you-want-to-make-a-command-line-interface/
|
So You Want To Make A Command Line Interface
|
Jakob Griffith
|
[
"Featured",
"how-to"
] |
[
"c++",
"command line",
"console",
"directX",
"interface",
"programing"
] |
[Keba] not only asked
Answeres.HackaDay.com
, but also sent us an email as follows.
“Can you make a basic guide to designing a good Command Line User Interface?”
Wouldn’t you know the luck, I’m currently working on a Command Line type interface for a project of mine. While after the jump I’ll be walking through my explanation, it should be noted that the other replies to Answers.HackaDay.com are also great suggestions.
We have no real idea how [Keba] intends to implement a system for the ATmega16 (Serial display? Output to an LCD? etc?), but for my project it is as follows. Using C# along with DirectX (can you tell I’m making a game with a developer console?) I’ll display an input line, suggestions for inputs (intellisense), and outputs based only when a correct input is given.
To begin, and to stay focused on only the CLI, I’ll assume your project has all the necessary startup and load functions. In my case,
loading of a DX device
, and
input handling
. Also, we assume you know how to program in your respective language.
I’ll be using a pretty advanced technique (StringBuilder) for string handling, because traditional string + string concatenation is terrible on memory (and games need as much as they can get). If you don’t care for memory, you can simply use regular strings.
To start off we’ll need some global variables,
public bool bool_isConsoleOpen = false; //console, also known as CLI
public StringBuilder StringBuilder_Console = new StringBuilder(); //could be replaced with string
public InputDevice ID = new InputDevice();
Within the main function loop, make a call to a method named UpdateConsole();
Now, in my setup to prevent unwanted user input there is a small check to see if the console is ‘open’ or ‘closed’.
public void UpdateConsole()
{
//opening console
if (ID.isKeyDown(Keys.Oemtilde) && ID.isOldKeyUp(Keys.Oemtilde))
if (bool_isConsoleOpen == false)
{
bool_isConsoleOpen = true; //user pressed magic key, open console
StringBuilder_Console = new StringBuilder(); //clear string
}
else
bool_isConsoleOpen = false; //user pressed magic key, close console
}
The next section of code handles all the inputs (keyboard presses) and builds our string that is about to be entered. It includes support for shift capitals, pasting from the clipboard, and also checks to make sure each key entered is allowed. Simply add this portion immediately after bool_isConsoleOpen = false;.
//appending console if its open.
if (bool_isConsoleOpen == true)
{
bool caps = false; //variable that helps determine if shift is pressed
if (ID.isKeyDown(Keys.ShiftKey))
caps = true;
List pressedkeystemp = ID.PressedKeys; //I had to modify my ID a bit to make it get a list/array of the keys pressed.
//go through each new key in list
foreach (Keys currentkey in pressedkeystemp)
{
//make a string, this is for numbers
string key;
//if the key SPACE is pressed, make a space
if (currentkey == Keys.Space)
{
StringBuilder_Console.Append(" ");
}
//if the key BACK is pressed, backspace
else if (currentkey == Keys.Back)
{
if (StringBuilder_Console.Length > 0)
StringBuilder_Console.Remove(StringBuilder_Console.Length - 1, 1);
}
//if enter is pressed
else if (currentkey == Keys.Enter)
{
//send it off to apply our data
ApplicationSettings(StringBuilder_Console.ToString());
//clear our string
StringBuilder_Console = new StringBuilder();
}
//if a number is pressed, make it show up
else if (StringKeyINTCheck(currentkey, out key))
{
StringBuilder_Console.Append(key);
}
//if a-z is pressed, make it show up
else if (StringKeyCheck(currentkey))
{
// if V was just pressed and either control key is down
if (currentkey == Keys.V && (ID.isKeyDown(Keys.ControlKey)))
{
// paste time!
string pastevalue = "";
pastevalue = System.Windows.Forms.Clipboard.GetText(System.Windows.Forms.TextDataFormat.Text);
StringBuilder_Console.Append(pastevalue);
}
// if not pasting, do a regular key
else if (!caps)
StringBuilder_Console.Append(currentkey.ToString().ToLower());
else if (caps)
StringBuilder_Console.Append(currentkey.ToString());
}
}
In order to prevent some characters from being printed, such as alt characters, and to make sure the input key can actually be displayed (otherwise you could crash with error) I implement a few checks. You’ll notice I have two different types, Check(input, output) and Check(input). The former is necessary because often the input is the ASCII value, and needs to be converted to a char or string before being added to the builder. The latter simply returns true or false if the key is valid.
Example of the first, numerals
//numerals
private bool StringKeyINTCheck(Keys key, out string i)
{
if (key == Keys.D1 || key == Keys.NumPad1)
{
i = "1";
return true;
}
else if (key == Keys.D2 || key == Keys.NumPad2)
{
i = "2";
return true;
}
etc...
}
And the latter, a-z
private bool StringKeyCheck(Keys key)
{
if (key == Keys.A ||
key == Keys.B ||
key == Keys.C ||
etc...
key == Keys.X ||
key == Keys.Y ||
key == Keys.Z)
return true;
else
return false;
}
So now we have our string built, you’ll notice the new method ApplicationSettings(string) is called whenever enter is pressed. This is the sending off of the string the user just typed in/that we built, we must now break that string down and determine what the user typed, and what should happen.
Once again, I start off with a few checks, just to prevent crashes.
private void ApplicationSettings(string temp)
{
if (temp != null) //make sure the user didn't type in "".
{
//make it all lower case
temp = temp.ToLower();
//split by spaces
string[] words = temp.Split(' ');
}
}
Now comes the fun part, We’ve assumed the user has entered things such as “quit” “fullscreen 1” and “pos 100x100x100”. The first will quit the application, the second will determine if the application should be fullscreen or not. And the final sets the users XYZ position in space. These three are simply examples of multiple variable entry, and you could of course program whatever you need.
Immediately after string[] words = temp.Split(‘ ‘); add the following,
try
{
//quit exit
if (words[0] == "quit" || words[0] == "exit")
this.Close();
//check for users fullscreen preference
else if (words[0] == "fullscreen")
{
if (words[1] == "0")
WindowedMode = true; //arbitrary global named windowedMode
else if (words[1] == "1")
WindowedMode = false;
}
//set the camera position
else if (words[0] == "pos")
{
if (words[1].Contains("x"))
{
string[] res = words[1].Split('x');
int int_x = Convert.ToInt32(res[0]);
int int_y = Convert.ToInt32(res[1]);
int int_z = Convert.ToInt32(res[2]);
Cam.Position = new Vector3(int_x, int_y, int_z);//arbitrary class camera Cam
}
}
}
catch (IndexOutOfRangeException e)
{
//this occurs when the user types "fullscreen $". Where $ is a variable, and the user typed nothing.
//do nothing we should tell the user this with an error message.
}
catch (FormatException e)
{
//this occurs when the user types "resolution $x$", where $ is an int variable, and the user typed alpha.
//do nothing we should tell the user this with an error message.
}
You probably could stop here if needed, you have input and output. However, I have something like 40 different commands in the current revision of my console, I couldn’t remember them all. So I made my own nifty intellisense.
This is going to require setting up another global–string list, filling it with commands, and then alphabetizing it.
List<string> ListString_Console = new List<string>();
private void LoadConsoleWordList()
{
ListString_Console.Clear();
//load in our console!
ListString_Console.Add("fullscreen");
ListString_Console.Add("resolution");
ListString_Console.Add("showfps");
//ListString_Console.Add("vertsync");
ListString_Console.Add("maxfps");
ListString_Console.Add("quit");
ListString_Console.Add("exit");
ListString_Console.Add("saveconsole");
//ListString_Console.Add("bind");
etc...
//sort our list
ListString_Console.Sort();
}
Now at the bottom of our UpdateConsole().
if (bool_isConsoleOpen == true)
{
BMF_Arial.AddString(StringBuilder_Console.ToString() + "_", "console", new System.Drawing.RectangleF(5, 18, Resolution.Width, 20)); //how I draw things to the screen in DX. StringBuilder_Console is the string we built earlier, so the user can see what he is typing.
//help our user search.
int q = 35;
//check every single string we know against what the user is typing in
foreach (string stringy in ListString_Console)
{
//so long as the length is right, we continue
if (stringy.Length >= StringBuilder_Console.Length) //this part could be eliminated, and we could simply go through every letter. But this speeds up operations a smidge.
{
//temporary bool
bool hodling = false;
//go through every letter
for (int i = 0; i < StringBuilder_Console.Length; i++)
if (stringy[i] == StringBuilder_Console[i])
hodling = true;
else
{
hodling = false;
break;
}
//if it's a 100% match
if (hodling)
{
//draw it, and update q relative.
BMF_Arial.AddString(stringy, "console", new RectangleF(5, 2 + q, Resolution.Width, 20)); //these are all the matches to the currently types string.
q += 18;
}
}
}
}
So how does it finally look?
No console open,
Hitting the magical key opens up console, begin typing, see intellisense,
Continue typing, other words that don’t match get taken off display,
and hitting enter executes the command,
| 42
| 42
|
[
{
"comment_id": "173750",
"author": "Daniel Higgins",
"timestamp": "2010-08-26T19:46:24",
"content": "Man! I’ve been looking for something like this for a very long time!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173760",
"author": "JeffR",
"timestamp": "2010-08-26T20:21:42",
"content": "Pretty cool, could you use LINQ to get the intellisense strings to eliminate the nested for loop?ListingStrings_Console.Where(s=>s.StartsWith(stringy).ToList()",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173763",
"author": "Dick",
"timestamp": "2010-08-26T20:28:56",
"content": "“private bool StringKeyCheck(Keys key){if (key == Keys.A ||key == Keys.B ||key == Keys.C ||etc…key == Keys.X ||key == Keys.Y ||key == Keys.Z)…”you are for real?Ok, first off, because you checking for equality in an or, each one of those need to be checked until one returns true. This means you could end up with 26 checks for equality.I haven’t compiled this, but I will when I get home. However, here is what you should be doing.private bool StringKeyCheck(Keys key){return (key > 64 && key = (int)Keys.A && (int)key <= (int)key.Z);}Now, I don't have a compiler with me, so I don't know if those explicit casts are needed in the second one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173764",
"author": "Dick",
"timestamp": "2010-08-26T20:30:20",
"content": "That ended up miss formatted. Probably due to filtering of comments… I’ll repost later.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173776",
"author": "Ben Ryves",
"timestamp": "2010-08-26T21:00:48",
"content": "@Dick: || is short-circuiting (“lazy”) so it stops evaluating conditions when it’s encountered the first one that is true.However, I would note that you should use ToLowerInvariant() or ToUpperInvariant() rather than ToLower() or ToUpper() when comparing keywords. ToLower() and ToUpper() operate according to the current culture setting, so on a Turkish computer “QUIT”.ToLower() returns “quıt”. ToLowerInvariant() uses the invariant culture, which is basically English. Look up the “Turkey test” for more information.It is generally “correct” to perform operations according to the user’s locale, but in certain situations – especially when parsing configuration files or the like – it’s more practical to use a standard, and the invariant culture is a simple one that most should be familiar with.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173781",
"author": "pikzel",
"timestamp": "2010-08-26T21:11:11",
"content": "That StringKeyCheck made my eyes sad.@Ben Ryves: I think he knew that, as he was saying you “could” end up with 26 checks for equality (when key == Keys.Z).Anywho, it is really considered bad programming style to use that many condition checks. You could at least have made a loop…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173782",
"author": "Dick",
"timestamp": "2010-08-26T21:15:32",
"content": "@Ben RyvesI understand thatFrom my comment:“…each one of those need to be checked until one returns true. This means you could end up with 26 checks for equality.”Note “checked until one returns true” and “could end up”private static bool StringKeyCheck( Keys key ){return (key >= Keys.A && key <= Keys.Z) ? true : false;}This is tested…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173787",
"author": "osgeld",
"timestamp": "2010-08-26T21:25:04",
"content": "I agree with dick, only cause of my horrible programming on slow systemsit works great if you happen to hit A a lot, but when your waiting for (sometimes) seconds to return Z you start looking for different ways (not necessarily better as in my case)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173788",
"author": "Harvie.CZ",
"timestamp": "2010-08-26T21:25:15",
"content": "well. if you are able to emulate some basic features of VT100 compatible terminal (you need to handle some escape sequentions especialy newline (\\n) and carriage return (\\r) – this enables you to modify the last line by moving cursor to i’s beginning. and maybe few more escapes if needed – colors, hiding password input, ncurses support) you can use code from any linux shell (busybox compiled only with ash applet can be ported easily i guess…). (any microcontroler with (GC)C cross-compiler available).you can also use readline (command history) and m4 (some macros or something simillar) libraries for most of those things (they are probably used in shells, so you don’t need to use whole shell).if you need whole terminal on (only the part for rendering proper characters on proper place of screen) you can embed xterm (this can be obviously done only where xterm is available) to your software (probably no go for microcontrolers).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173797",
"author": "ugh",
"timestamp": "2010-08-26T21:44:22",
"content": "I found a new site for you to write for:http://thedailywtf.com/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173799",
"author": "corster",
"timestamp": "2010-08-26T21:48:38",
"content": "generally it’s better accepted to useif (someBool) {…}– or –if (!someBool) {…}rather than:(if someBool == true)-or –(if someBool == false)also the following:bool caps = false;if (ID.isKeyDown(Keys.ShiftKey))caps = true;could be better represented with:bool caps = ID.isKeyDown(Keys.ShiftKey))Not sure of the iterations that we’re talking about, but if this were something that was going to be looped through a bunch of times (like in a game or something like that) the more optimized you can make your code, the faster it will be.Not trying to pick on your code, I’m sure everyone would have a hayday with mine. Cool post, though… thanks!-cor-",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173802",
"author": "Dick",
"timestamp": "2010-08-26T21:53:15",
"content": "@ughI lol’d so hard.I actually think they have had an article that did a check for A-Z the way he did.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173803",
"author": "Dick",
"timestamp": "2010-08-26T21:55:42",
"content": "@corsterYou suggested:if (!someBool) {…}rather than:(if someBool == false)while you are right, this is better style, it would compile into the same thing. So, generally something you would overlook during a code review.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173813",
"author": "Jakob Griffith",
"timestamp": "2010-08-26T22:23:13",
"content": "I’m actually really glad you guys are finding holes in my code, I love it when I can learn from an experience and it makes me a better programmer. Please keep the comments coming. Infact, I can’t believe I didn’t think to use JeffR’s idea in the first place, and future revisions I certainly will.I will however, like to point out Dick, HAD is leaning towards easier and simpler hacks (it’ll be way more apparent in future how-tos), I wanted to give the user the ability to check each and every key, so they know what and why certain keys are showing up.Its not in this article, but in my actual implementation I have it check special characters (. / etc and only allows certain ones. These checks require individual ifs, no matter what.And as you said yourself, compilers are smart. Enough such that now adays they can understand extended if statements. A quick timekeeping of 5,000,000 iterations will result in the same amount of time (near plank time for exaggerated effect), regardless of your or my techniques.Plus, one of ours uses excessive memory with casts *whistles*. Granted, you’re correct there are 26 (even if they take virtually no time) checks potentially. Its really the programmers choice, memory or cpu.I just can’t wait for the hardcore nerds to point out “inefficient string == string” comparisons.Have a nice day!Jakob GriffithHackaDay Team",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173819",
"author": "john jensen",
"timestamp": "2010-08-26T22:47:45",
"content": "I wrote a command line for the Macintosh (nShell) in The Olde Days. You know, back when Apple said “why would anyone need a command line for the Mac?”Anyway, I found the O’Reilly book “UNIX Power Tools” to be invaluable. It scans many shells and their various strengths.Have fun. Adding features is a bit addictive.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173823",
"author": "Dick",
"timestamp": "2010-08-26T22:57:32",
"content": "Hey Jakob,I’m glad to see commenting in on this. You are right in that as far as the execution time goes. However I would doubt that the compiler will reduce an “extended” if, composed of “or” to a simple range check. That being said you could easily check ranges, and individual keys within the same if.e.g.if( (key = Keys.Z) || (key == Keys.Ctrl || key.Shift ) ){//do stuff}this would still cut down execution time, and greatly reduces the over head of a poorly written if statement.I wasn’t going to point it out, but seeming as you asked for further suggestion you have a design flaw in the 6th code segment. I’m not sure if you are aware (I really don’t know how long you have been programming), but try/catches are actually really slow. I’m not saying they shouldn’t be there, because they should, but when an exception is thrown there is a real performance hit. Essentially it boils down to the fact that your application has to “walk the stack” looking for the first catch statement. That being said, for your string to int cast, I would suggest you use the Int32.TryParse method. Also, to avoid an index out of range exception simply check the length of the array. For instance, before doing anything make sure there is something in the array. words.Length = 1. And, when you check for “fullscreen”, if( words.length > 1 && words[0] == “fullscreen” ). Simple as that, and you dont end up thrown an exception for no real reason.Article on exceptions:http://blogs.msdn.com/b/chris.green/archive/2008/02/11/don-t-use-exceptions-to-control-application-flow.aspx",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173825",
"author": "Dick",
"timestamp": "2010-08-26T22:59:28",
"content": "again… your filter got me..lets try again.e.g.if( (key = Keys.Z) || (key == Keys.Ctrl || key == Keys.Shift ) ){}",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173826",
"author": "Dick",
"timestamp": "2010-08-26T23:01:17",
"content": "ok.. im just going to say it…if (key is greater than or equal to Keys.AAND keys is less than or equal to Keys.Z)OR (key equals Keys.Ctrl OR key equals Keys.Shift )Then…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173838",
"author": "BeatJunkie",
"timestamp": "2010-08-26T23:43:00",
"content": "@Jakob Griffith>I just can’t wait for the hardcore nerds to point out “inefficient string == string” comparisons.Well, you asked for it:It is in fact better to use string.equals().The usage can make up to 8% difference in execution time (seehttp://dotnetperls.com/string-equals-comparefor reference).And as you stated your application is time-critical, you should use any optimization you can get.btw: I don’t feel like a hardcore nerd though. ;)regards,BeatJunkie",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173866",
"author": "M4CGYV3R",
"timestamp": "2010-08-27T01:34:43",
"content": "Well, I’ve got to say Jakob, aside from that first “twitter client” blunder, you’ve made a great addition to HAD. Your posts are now often the least disappointed-facepalm-ish posts I read here.The only problem I have with creating CLIs is trying to find a nice compact way to store the potential command set. lately it’s just been a set of strings stored in a binary file. I also tend to convert all entered text to uppercase and store command keywords as all-uppercase to eliminate case-matching problems.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173916",
"author": "Keba",
"timestamp": "2010-08-27T03:35:38",
"content": "HiI appreciate your extensive explanation, it has given me quite a few ideas for my project. I will definitely adapt some of your methods. Here is some background.After doing projects in C with my ATmega16, involving simple LED’s, clocks with delays and timers, ADC, a 4-line LCD and an IR remote control, I decided it was time to try out USART.I assembled the hardware on my prototyping board, and after tracking down some communication errors, I managed to establish a connection from my PC to the AVR. I made it switch a LED on and off, by writing commands in the console. This was done by comparing strings.On a similar note, last semester, my group and I built a small computer based on the Motorola 68k processor, programmed to regulate the temperature in a vacation-house, by input from a GSM text-message. The user could send messages like “R 1 T 35,5”, and the system would then turn on temperature-Regulation, and try to keep the Temperature at 35,5 Degrees Celsius, by use of a heat-lamp. This was done without any built in functions, meaning I split up each command, and compared that to strings, character for character. The temperature was deciphered by comparing “35,5” to every string, in a long string-array of temperatures, and then saving the array-number. The system then replied in a text-message to the user, just like a console.As you may guess, that required a ton of for-loops, but it ended up working great, although the code was quite ugly.This made me want a better interface. As I figured others might have similar wishes with their projects, I asked here, so others could benefit too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173918",
"author": "Spork",
"timestamp": "2010-08-27T03:45:52",
"content": "Answeres.HackaDay.com, huh?Hope it doesn’t help you with your spelling tests.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173923",
"author": "Osgeld",
"timestamp": "2010-08-27T04:23:38",
"content": "nerds cant spell, and dont do grammarwere too busy making stuff",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173973",
"author": "Matthias_H",
"timestamp": "2010-08-27T07:04:35",
"content": "@Dick:> if (!someBool) […] (if someBool == false) […]> would compile into the same thing.For “false” it should, but for “true” and non-bools (avr-gcc, for instance, has no native bool type!) I’d be surprised if it would.if (someInt) …equals… if (someInt > 0)if (someInt == true) …equals… if (someInt == 1)…which are obviously totally different things.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173989",
"author": "adpsimpson",
"timestamp": "2010-08-27T08:36:23",
"content": "Is it possible to have very long articles like this formatted for the RSS feed so that “after the jump” does what it says, and presents a shortened version? Otherwise it makes for a suddenly very cluttered feed…Good article though, thanks – bookmarked for future use!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174048",
"author": "Andy S",
"timestamp": "2010-08-27T12:57:07",
"content": "Hi Jakob,Notwithstanding the optimisations that Dick and BeatJunkie suggest, have you considered using a switch statement for your command identification? I know that it’s not as syntactically neat in C# as it would be in C or C++, but surely it’s still neater than a string of if {…} else if {…} else if {…} statements?Also, where you’re iterating through the characters looking for matching strings, I’d use the string.StartsWith() function rather than doing the character iteration.Hopefully you’re taking all of this as constructive criticism :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174054",
"author": "Nestiiii",
"timestamp": "2010-08-27T13:20:14",
"content": "@Dickwhy did you use () ? : here?private static bool StringKeyCheck( Keys key ){return (key >= Keys.A && key = Keys.A && key <= Keys.Z) }is the same…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174071",
"author": "Dick",
"timestamp": "2010-08-27T14:04:47",
"content": "@Matthias_Hi have no experience with avr-gcc, however we are talking about C# here.if( !someBool ) and if( someBool == false ) will, as I said, compile into the same thing.Same can be said for “true”, because C# does have a native boolean type.For your latter example with regards to ints, I would be inclined to agree. However confirming that would be rather easy, I believe gcc compilers have a decompiler built in. Actually, Visual Studio has one as well. You bring up a good point, just outside of the .Net world.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174106",
"author": "Joe Enos",
"timestamp": "2010-08-27T15:50:09",
"content": "Here’s a rundown of what jumped out at me while reading this – I’m sure there’s more, but this is just the obvious language problems. Some of this has already been stated. Please take this constructively – you’re on the right track, but your code style needs a lot of work.First, there are bad and inconsistent naming conventions throughout. StringBuilder_Console, StringKeyINTCheck, pressedkeystemp, ListString_Console, stringy, hodling, etc. Variables should be named and cased consistently, with clear names that describe what they are or do, using camelCase or CamelCase as appropriate, and avoiding Hungarian notation (int_x) whenever possible.There are way too many comments throughout the code. Things like “clear string”, “if enter is pressed”, “paste time!”, “make it all lower case”, next to code that obviously does what you’re saying it does, only serves to distract, and serves no useful purpose whatsoever. Properly written code is self-documenting, and comments should be limited to useful information, such as “why” things get done, instead of “what” is being done, especially on trivial tasks.“[…] a pretty advanced technique (StringBuilder) for string handling […]”– StringBuilder is not an advanced technique – it’s been around and talked about and used heavily for as long as .NET has been around. But even with that said, on something this small, there’s no way it would make any noticeable difference in performance or memory.“if (bool_isConsoleOpen == false)”– It’s much more accepted to do “if (!someBoolean)” instead of “if (someBoolen == false)”, even if they actually mean exactly the same thing.“List pressedkeystemp = ID.PressedKeys; // […]foreach (Keys currentkey in pressedkeystemp)”– Do “foreach (Keys currentkey in ID.PressedKeys)” instead. Much better to not use temp variables like this unless it provides some readability benefit or serves an actual purpose.– Not sure what this “List” class is, but it seems like a bad idea, whatever it is. Either a specific KeysCollection or a generic System.Collections.Generic.List would be better if possible, if this is actually your code, not part of DirectX.“string pastevalue = “”;pastevalue = System.Windows.Forms.Clipboard.[…]”– That initial value of “” is never used and is unnecessary. Should be “string pastevalue = System.Windows.Format.Clipboard.[…]”– It’s generally more accepted to use string.Empty instead of “”. Compiles to the same thing, but I think you’ll find the majority of people with opinions one way or the other prefer string.Empty.“if (key == Keys.A || key == Keys.B […])return true;elsereturn false;”– Aside from the fact that you can probably do this with a comparison (something like key >= Keys.A && key ((s.Length >= consoleValue.Length) && s.StartsWith(consoleValue))); foreach (string match in matches) { BMF_Arial[…] }“tagged: […] c++ […]”– This is C#, not C++. Quite a bit different.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174135",
"author": "Peter da Silva",
"timestamp": "2010-08-27T17:06:57",
"content": "AUGHIf you’re thinking about creating a new command line interface… STOP.There are dozens of embeddable CLI frameworks from simple Forth-like single-command tools to full programming languages like Tcl. Add your commands as callbacks to the framework, and get back to work on something worth doing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174178",
"author": "Whatnot",
"timestamp": "2010-08-27T18:38:07",
"content": "Lol this shows the comment section is in need of allowing a ‘code’ tag it seems. (*or pre)update needed",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174179",
"author": "Whatnot",
"timestamp": "2010-08-27T18:40:08",
"content": "Hey wtf? it already allow for it? quick test using a copy from another comment:private bool StringKeyCheck(Keys key){return (key > 64 && key = (int)Keys.A && (int)key <= (int)key.Z);}",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174183",
"author": "Whatnot",
"timestamp": "2010-08-27T18:46:44",
"content": "Consider using <code> and </code> people.but does hackaday allow pre too?this is a pre\r\n\r\ntest.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174207",
"author": "Jakob Griffith",
"timestamp": "2010-08-27T20:43:55",
"content": "I just wanted to leave a quick comment here. While I may not address you individually, I am reading each and every reply. And I’ll be incorporating new techniques for future programing tutorials (we have a big one planned, its going to be great!). Thank you.However, Joe Enos, I really don’t agree with some of your practices. Formost, there is no such thing as too many comments. But, after some consideration, I do understand your point about “why something works” instead of “how something works”.Jakob GriffithHackaDay Team",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174245",
"author": "Eh",
"timestamp": "2010-08-27T23:04:06",
"content": "Can you show us how to do VT100 emulation as well?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174334",
"author": "Rob",
"timestamp": "2010-08-28T07:55:47",
"content": "I would have to agree with Joe Enos, especially the naming which is all mixed up.I think Joe was merely trying to help improve your coding as these are fairly common considerations with C#, and the coding conventions generally apply over many different languages.In regards to comments, an excess does not always improve the quality, ideally the code should be self-documenting to reduce the quantity of comments. Take for instance:http://www.codinghorror.com/blog/2008/07/coding-without-comments.htmlI think it was a great post and helpful though would be improved by taking what Joe has said into account.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174405",
"author": "Peter da Silva",
"timestamp": "2010-08-28T13:30:27",
"content": "vt100 emulation is much harder, if you do it right. Back in the ’80s I spent over a year, off and on, catching special cases to successfully emulate a vt00 well enough that I could use VMS and RSX applications (EDT, RMD, etc) through it. I think the code onhttp://scarydevil.com/~peter/sw/is pretty close to the final version (that’s been lost) – it takes vt100 codes on input and generates escape sequences for your current terminal using the UNIX termcap library.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174614",
"author": "WickedShell",
"timestamp": "2010-08-29T02:30:43",
"content": "The last section bothers me UpdateConsole(), as it is allocating it a boolean within a for loop, inside of an if, and in terms of memory and performance it would be better to allocate the bool before the foreach, and then set it back to false before the end of the for loop. Again, a minor optimization but it’s there.As others pointed out there are some parts that more experienced coders flinch from, but it was a good tutorial so thanks, and from the beginner programmer perspective I’d actual enjoy the ability to optimize some of this code later makes it more enjoyable, and is something I can look for. And he is right that for explaining things to people some faster notations are more confusing. (And who doesn’t like it when they have an easy spot to test them out and prove the optimization works in code that already works otherwise).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174796",
"author": "pfffffff",
"timestamp": "2010-08-29T16:01:59",
"content": "[A-Z0-9] …… ? yeah right … c# strings are unicode? right? why restrict it so much that only english can be written in it?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174845",
"author": "Peter da Silva",
"timestamp": "2010-08-29T18:55:36",
"content": "@pfffffff: Doesn’t C# have an equivalent of isprint()?@WickedShell: surely the C# code generator doesn’t actually allocate and release storage when it can hoist it outside the loop? That’s a pretty basic optimization.And I still think the right answer to “So you want to make a command line interface” is “no, you don’t”. This is SUCH a solved problem, with many excellent CLI parsing frameworks that come along with hooks allowing things like cross-application scripting…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "184345",
"author": "Neuntoter",
"timestamp": "2010-09-22T22:41:20",
"content": "@Peter da Silva“So you want to make a command line interface”“no, you don’t”The correct answer to your post is just to ignore like everyone else has.I want to help educate you though.What you are talking about is not reinventing the wheel but what you do not understand likely due to inexperience in programming is that not every wheel previously made is a right fit. Especially for gaming applications but then again using c# for a game is a mystery to me. There are also licensing concerns, finding the right or closest fit, and modifying/adapting another persons code.By the time you work through all of that most people will have already created their own.For the rest, most of you are comparable to school children with your responses trying to find every little thing to critique to make yourselves feel superior in programming. Put up some code and we will all critique it.This goes doubly for anyone who would be silly enough to list ! vs = false / = true comments.Just wow, you guys need a true hobby, if you were professionals you would be fired for wasting time on something that stupid.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "184598",
"author": "Peter da Silva",
"timestamp": "2010-09-23T13:57:19",
"content": "Neuntoter: I have written dozens of command line interfaces over the years, starting back in the ’70s when there weren’t any freely redistributable libraries available. There are dozens of great CLIs available now… the one I use most often is Tcl, mainly because I was heavily involved in its design and development, but there are many more to choose from. If you prefer a more Pascal-like style, there’s Lua (which is widely used in gaming already, and reportedly an excellent fit). If you prefer a more UNIX-shell-like style, there’s Perl. There’s Python, and Ruby, and for the true old-school types there’s a ton of Lisp and Forth based scripting front ends.Licensing concerns are real, so you should choose a CLI distributed under the BSD or MIT licenses. There are still dozens of examples, many of which are exceptionally easy to interface to C-like languages.The only reason to reinvent this wheel is for personal amusement and education. For production code you’re far better off picking your wheels off the open source vine.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,385.594135
|
||
https://hackaday.com/2010/08/26/building-a-laser-cutter-from-a-weak-laser/
|
Building A Laser Cutter From A Weak Laser
|
Mike Szczys
|
[
"Laser Hacks"
] |
[
"cnc",
"cutter",
"diode",
"ir",
"laser",
"sls"
] |
We covet laser cutters and
this diy model with a 1 Watt IR diode
may be well within our price range. Most commercially available laser cutters, and
some homemade ones
, work in the 20-100 Watt ranges, using a CO2 laser. They have more than enough power to cut right through a lot of materials so how can a 1W diode compare? It seems that the weaker laser is still quite powerful right at its focal length, so moving that point along the Z axis will let you burn away a larger depth of material. The test rig seen above uses optical drive components for the three axes and managed to cut a rectangular piece out of the black plastic from a CD case.
This isn’t [Peter’s] first try with CNC lasers. He’s the one that’s be working on
an open source selective laser sintering
platform.
[Thanks Osgeld and Vesanies]
| 24
| 22
|
[
{
"comment_id": "173721",
"author": "barry99705",
"timestamp": "2010-08-26T18:16:18",
"content": "Insert “You’ll shoot your eyes out” comments below.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173722",
"author": "spiritplumber",
"timestamp": "2010-08-26T18:19:05",
"content": "Beautiful! I wonder if the new laser from wickedlasers would help :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173727",
"author": "Garrett B",
"timestamp": "2010-08-26T18:35:17",
"content": "Hmm, would that mean that more powerful lasers are being used than are required? If this 1watt laser can cut thing that normally need a 20watt laser, then shouldn’t all lasers be able to scale roughly 20x using this method?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173728",
"author": "madengi",
"timestamp": "2010-08-26T18:37:08",
"content": "I know laser are dangerous, but why does everyone keep spamming any laser project’s comment thread with ironic/safety sentences?Back to subject : nice, now how about some hybrid project : open-source laser cutter/3D Printer/pyrograph/plotter with interchangeable heads?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173731",
"author": "sneakypoo",
"timestamp": "2010-08-26T18:48:00",
"content": "Garrett B: They are overpowered in the same way as a chainsaw is overpowered compared to a nail file. Both will cut down a tree but only one will get you home in time for dinner.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173735",
"author": "barry99705",
"timestamp": "2010-08-26T19:29:47",
"content": "@ madengiThat’s kinda what this guy is working on.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173756",
"author": "Don Smith",
"timestamp": "2010-08-26T20:14:11",
"content": "Does anyone have a reference for the pinout of these motors?This guy is doing something interesting:http://blog.whattomake.co.kr/158but no pinouts.thanks",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "173832",
"author": "Daniel",
"timestamp": "2010-08-26T23:23:01",
"content": "@donit’s a bipolar stepper so pins 1,2 are one coil 3,4 the other (from memory but you can check with a continuity tester). It’s just a case of then sending the pulses timed correctly to get it to fire.(wow well over a year of reading and my first post!)",
"parent_id": "173756",
"depth": 2,
"replies": []
},
{
"comment_id": "478123",
"author": "mrkiss",
"timestamp": "2011-10-12T06:39:45",
"content": "I’m the guy the pin outs are described on arduino site link of my articleAnd I recently made palm top CNC with CD-ROM drive partshttp://www.youtube.com/watch?v=crKzaqgW9UE",
"parent_id": "173756",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "173759",
"author": "m",
"timestamp": "2010-08-26T20:16:27",
"content": "three optically-driven laser axes!? this is relevant to my zombie apocalypse contingency plan interests, go on… :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173770",
"author": "chango",
"timestamp": "2010-08-26T20:49:31",
"content": "@sneakypoo The chainsaw, of course. With the nail file you’ll have to pedal your bike.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173775",
"author": "zeropointmodule",
"timestamp": "2010-08-26T21:00:24",
"content": "yeah, the Z-axis using cdrom mech should work just fine.interestingly enough you can then “fill” the cut grooves with low melt alloy from a syringe dispenser and make your own circuit boards.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173785",
"author": "osgeld",
"timestamp": "2010-08-26T21:21:53",
"content": "the main difference is the motion, the high powered lasers are just blasting right though the materialthis is using a smaller laser in a sawing motion which is why its able to cut on only thin black material (gosh RTFA)(which is not the cleanest cut I have seen, even from a saw but its still kewl)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173830",
"author": "Taylor Alexander",
"timestamp": "2010-08-26T23:13:33",
"content": "@peoplethe laser threads are constantly filled with warnings about the danger of lasers because they are REALLY F’ING DANGEROUS.I honestly consider the 1W visible lasers to be more dangerous than a gun, because a gun fires in one direction and is not likely to ricochet very much, but a laser will go extremely long distances, reflect off of anything shiny, and then travel long distances in an unpredictable manner, where it will still be capable of blinding people. You shoot a spoon with a gun and you can predict the safety of it based on whats behind the spoon. Shoot a spoon with a 1W laser and you could blind anyone with a line of sight to the laser! Guns are also universally regarded as dangerous but regular people haven’t gotten that sense just yet with lasers, since regular laser pointers are harmless.So people like me go on about this because these things are so f’ing dangerous its unreal, and I personally will keep ranting like this until everyone has an appreciation for how dangerous these are! I just want to make sure everyone understands!-Taylor",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173839",
"author": "osgeld",
"timestamp": "2010-08-26T23:47:54",
"content": "1) bullets reflect too2) unless its hitting a perfect mirrored surface a laser will distort and diffuse when reflectedim not saying dont treat this as a toy, it IS a dangerous item, but god, do we all live in houses made of perfectly shiny surfaces, just looking around my workbench I see some tarnished brass and some dull chromeit makes me think more about brasso more than anything, and if I were to do it, I would have a pair of the pictured goggles on and that pets and children were not in the area (like you should be doing while welding but no one has a page long disclaimer about that)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173842",
"author": "Lobster",
"timestamp": "2010-08-27T00:10:08",
"content": "@Taylor AlexanderThanks for pointing that out. To be honest it was not on the top of my mind. My next question is where would I get a good pair of goggles that would protect my eyes from lasers? I have a pile of old IDE Cdroms and burners and would like to play with the lasers. But I don’t want to go blind.I see one in the picture? Also I hate to put a price on safety but where could I get a pair that are good but not to expensive?Thanks",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173846",
"author": "Chris",
"timestamp": "2010-08-27T00:23:16",
"content": "@Taylor Alexander how is it not predictable? Lasers bounce off of a reflective surface at and equal and opposite angle. Simple geometry and your can predict the angle.lol just kidding, i get what you’re saying it could hit a surface miles away and reflect and you would never know.And i know people are stupid about lasers, i remember kids in school would shine the library laser scanner into their eyes, It maybe low powered and it would probably take a year to blind somebody but its still stupid",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173847",
"author": "Mantech1",
"timestamp": "2010-08-27T00:26:34",
"content": "Perhaps as an added safety precaution you could build such such a device into an old (ie large and heavy) computer case?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173853",
"author": "Adam",
"timestamp": "2010-08-27T00:54:25",
"content": "I’m working on a full size cnc project right now, but after i finish with that I was actually planning to build a cnc (probably with a sharpie instead of a cutting tool) with some old CD drives i had laying around. He beat me to it. I found 3 or 4 laying around in my junk pile and got the idea. I might have to buy a laser for it now",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173959",
"author": "therian",
"timestamp": "2010-08-27T06:11:50",
"content": "I want to hunt down safety obsessed and shine laser in their both eyes",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173986",
"author": "strider_mt2k",
"timestamp": "2010-08-27T08:25:41",
"content": "GOGGLES, PEOPLE!!!There, I said it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174113",
"author": "m",
"timestamp": "2010-08-27T16:20:23",
"content": "even optimus prime wears goggles when handling laser axes:http://transformers.wikia.com/wiki/File:G1_Prime_energon-axe.JPG",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174345",
"author": "zeropointmodule",
"timestamp": "2010-08-28T08:49:24",
"content": "Probably more sensible to enclose the laser and feeder in an IR opaque box, with a highly visible “LASER ON” white LED so it can be seen through the goggles to remind the user it is active.Not hard to do…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "178062",
"author": "dombeef",
"timestamp": "2010-09-07T02:05:57",
"content": "I thought that it ment my cheap laser that i have for presentations. But still great idea for the cnc",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.06447
|
||
https://hackaday.com/2010/08/26/hacking-a-code-protected-hard-disk/
|
Hacking A Code-protected Hard Disk
|
Mike Szczys
|
[
"Security Hacks"
] |
[
"16f883",
"diskgenie",
"encrypted",
"hdd",
"istorage",
"keypad",
"pic",
"usb"
] |
Our friend [Sprite_TM] took
a look at the security of a code-protected hard disk
. The
iStorage diskGenie
is an encrypted USB hard drive that has a keypad for passcode entry. After cracking it open he found that the chip handling the keypad is a PIC 16F883 microcontroller. He poked and prodded at the internals and found some interesting stuff. Like the fact that there is an onboard LED that blinks differently based on the code entered; one way for the right code, another for the wrong code of the right number of digits, and a third for a wrong code with the wrong number of digits. This signal could be patched into for a brute force attacking but there’s a faster way. The microcontroller checks for the correct code one digit at a time. So by measuring the response time of the chip an attacker can determine when the leading digit is correct, and reduce the time needed to crack the code. There is brute force protection that watches for multiple incorrect passwords but [Sprite_TM] even found a way around that. He attached an AVR chip to monitor the PIC response time. If it was taking longer than it should for a correct password the AVR resets the PIC before it can write incorrect attempt data to its EEPROM. This can be a slow process, but he concluded it should work. We had fun
watching the Flash_Destroyer
hammer away and we’d like to see a setup working to acquire the the code from this device.
| 26
| 26
|
[
{
"comment_id": "173690",
"author": "goldscott",
"timestamp": "2010-08-26T17:03:54",
"content": "AVRs attacking PICs?! Noooo!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173698",
"author": "Zem",
"timestamp": "2010-08-26T17:19:07",
"content": "God I love articles/blogs like this. I can literally read stuff like this for hours and never get bored!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173700",
"author": "sp00nix",
"timestamp": "2010-08-26T17:20:01",
"content": "Crafty sir. Crafty.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173705",
"author": "Necromant",
"timestamp": "2010-08-26T17:31:53",
"content": "Hm… I really wonder how it actually locks the data. If it doesn’t transparently encrypt that – it’s useless. You can:1. Replace a controller board with the one from the same, but unprotected drive2. Are we able to dump the firmware/eeprom?3. Is there a signal from pic that actually tells the other circuitry that a correct password has been entered? If so the crack will be ‘solder a wire from Vcc to pass_ok_pad’",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173709",
"author": "Roman Dulgarov",
"timestamp": "2010-08-26T17:35:47",
"content": "Hmm If i remember correctly, there is a way to reset the internal code protection fuses and just read back the code. Involves etching away the packaging and using an UV light at the correct angle to hit the fuses. Any one remember the article that went over this?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173711",
"author": "nave.notnilc",
"timestamp": "2010-08-26T17:37:28",
"content": "@necromantdid you read the writeup? :Panyway, great stuff as always from Sprite_TM",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173716",
"author": "Ruud",
"timestamp": "2010-08-26T17:57:51",
"content": "It’s a great article. For all the Dutch folks there’s a translated version athttp://tweakers.net/reviews/1764/de-diskgenie-op-de-pijnbank-gelegd.html(Sprite_tm is also a moderator on the forums over there).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173717",
"author": "uC",
"timestamp": "2010-08-26T17:58:50",
"content": "@RomanThe fuse reseting trick was Bunnie from xbox hacking fame.http://www.bunniestudios.com/blog/?page_id=40",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173748",
"author": "Just me",
"timestamp": "2010-08-26T19:38:57",
"content": "“When you want to unlock the disk, you get 50 tries. After that, you have to enter a special code (described in the manual) and then you can try for another 50 times. After that, the disk locks up and you can only reset it, erasing all the data on the disk.”So, after 99 tries just swap the disk to something not-so-important and then the device erases it. You get 100 new tries?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173754",
"author": "Necromant",
"timestamp": "2010-08-26T19:56:32",
"content": "@nave.notnilcLooks like I’ve missed the aes part. I guess I’ll open up my silicon power armor and have a closer look what it does do store the passwd…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173761",
"author": "blue carbuncle",
"timestamp": "2010-08-26T20:24:22",
"content": "Nicely done Sprite_TM :) Not that I have ever seen one of these, but good stuff to know. Kudos on the due diligence as always :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173778",
"author": "Brennan",
"timestamp": "2010-08-26T21:06:34",
"content": "As a side note, I just love it when the guy doing the PCB layout rotates the ICs (specifically the microcontroller) 45 degrees. It looks so cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173814",
"author": "mjrippe",
"timestamp": "2010-08-26T22:23:14",
"content": "Excellent write-up! I love articles like this!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173840",
"author": "Fragged",
"timestamp": "2010-08-26T23:53:20",
"content": "Just change your password to 9999. NO PROBLEMO.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173911",
"author": "asimilator",
"timestamp": "2010-08-27T03:29:36",
"content": "@Just meHe doesn’t go into details about the reset when you reach the max tries (100), but I would bet that it just erases the key from the PIC rather than actually doing anything to the HDD.So swapping HDDs wouldn’t do anything.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173926",
"author": "Shadyman",
"timestamp": "2010-08-27T04:41:44",
"content": "@goldscott: Don’t worry, it’s almost time for Episode III: Revenge of the PIC",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173960",
"author": "Tim",
"timestamp": "2010-08-27T06:12:14",
"content": "Awesome, this is very similar to the “timing attack” which was used a while back on older Xbox 360’s (before the JTAG exploit) to downgrade the console to the base 1888 kernel. It worked by attaching a microcontroller to the 360’s motherboard to monitor the POST codes, and bruteforcing one of the bootloader’s authorization keys (which the 360 checked one byte at a time) by measuring the time it took to get a “fail” code. MS soon fixed that with an update of course",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173983",
"author": "hans",
"timestamp": "2010-08-27T08:15:14",
"content": "Why do I always associate PICs with amateurism?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174000",
"author": "Stranger",
"timestamp": "2010-08-27T09:25:46",
"content": "Hi, I was going to purchase one of these. I admit I do not know what most of you are talking about, have you hacked into this unit or are you saying it is possible? There is a difference.Thx",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174025",
"author": "cde",
"timestamp": "2010-08-27T11:12:17",
"content": "@JustMe, it was explained in the article. The Pic generates a lockkey based on a new password/hd. It sends that lockkey to the encryption micro, which generates a encryption key based on that to encrypt everything on the HD. Once a password has be rendered useless by the 100 tries, the pic and encryption micro generate new lock keys.Switching the harddrive out when the 100 tries are up and putting it back in, even with the new, correct password, the key the encryption micro is trying to decode the harddrive data with would be different.TL;DR version, it won’t work, Sprite TM has tried it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174142",
"author": "Atomic Dirt Bike",
"timestamp": "2010-08-27T17:24:23",
"content": "@hans PICs are just another tool, not all problems are nails, and not all tools are hammers; so yeah, like if your problem calls for a legacy microcontroller that only executes an instruction every fourth clock cycle (or less), and has less features than all of it’s competitors… or maybe you just need to pound in a few nails… PIC is definitely your tool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174306",
"author": "therian",
"timestamp": "2010-08-28T04:59:59",
"content": "@Atomic Dirt Bike“has less features than all of it’s competitors…”now give some examples in details…It just funny to watch how people reference to something they haven’t touch and information is so outdated, stop comparing oldest chip family to modern ones, why don’t you compare 18f instead of 16f. Its PIC’s strong advantage that they so diverse and yes there is very low level devices variations also Microchip usually don’t discontinue its oldest chips",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "546445",
"author": "Mincer",
"timestamp": "2011-12-29T09:58:02",
"content": "Did anyone crack it or not??",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "546446",
"author": "Mincer",
"timestamp": "2011-12-29T09:58:44",
"content": "Did anyone crack it? How did you manage it?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "2365362",
"author": "user",
"timestamp": "2015-01-19T22:41:55",
"content": "Nice article, i have exactly this disk and jep i lost my key… only know the last few digits.Is there any way to get the rest without the method above? I have no idea what exactly he did :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3167892",
"author": "Dom McIntyre De Vitto",
"timestamp": "2016-08-29T09:03:49",
"content": "They’ve changed the tries from 50/50 to 10/10, so without the eeprom write being blocked/reset, brute force isn’t possible again….",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.178817
|
||
https://hackaday.com/2010/08/26/burglar-alarm-in-a-zippo-lighter/
|
Burglar Alarm In A Zippo Lighter
|
Caleb Kraft
|
[
"Microcontrollers",
"Security Hacks"
] |
[
"alarm",
"spy",
"zippo"
] |
[Madmanmoe64] has really done a fantastic job with this
burglar alarm built into a zippo
. He crammed a picaxe microcontroller, some IR LEDs, an IR sensor, a battery and various switches in there quite well. It almost closes perfectly, something we think he could remedy if it really bugged him that much.
It has several modes, all initiated by a different sequence of button presses. There is the proximity alarm, which sounds when something moves very close. The reverse proximity alarm which sounds when you remove something from its immediate vicinity. A doorbell mode, and a silent alarm mode. Check out the video after the break to see it in action.
[youtube=http://www.youtube.com/watch?v=d4LkrV53E6E]
| 10
| 9
|
[
{
"comment_id": "173657",
"author": "m!nus",
"timestamp": "2010-08-26T14:04:42",
"content": "The video is probably interesting, unfortunately it contains content from EMI and isn’t available here in Germany.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8117379",
"author": "Daniel Gooch",
"timestamp": "2025-04-10T13:55:08",
"content": "Got a VPN? That’s the spirit of Hackaday! Get that vid to play!",
"parent_id": "173657",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "173659",
"author": "James",
"timestamp": "2010-08-26T14:17:11",
"content": "Nice miniaturisation, though the lack of closing would really bug me, but a miniature alarm is a bit pointless as you can just pocket it and it’d be virtually muted.Still, it’s a novelty.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173678",
"author": "fartface",
"timestamp": "2010-08-26T16:05:21",
"content": "You are not clever using music in your video.. STOP USING COPYRIGHTED MATERIAL YOU DONT HAVE THE RIGHT TO USE IN YOUR VIDEOS!Also turn off auto focus.. it never works and makes your video look like crap. Actually learn to use your camera.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173687",
"author": "chris",
"timestamp": "2010-08-26T16:50:43",
"content": "http://hackedgadgets.com/2010/08/23/zippo-burglar-alarm/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173699",
"author": "Greycode",
"timestamp": "2010-08-26T17:19:43",
"content": "Henry Mancini is probably not going to go after royalties on this, if it is not already public domain. Pink Panther theme song is over fifty years old. It is what is called a classic.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173713",
"author": "Haku",
"timestamp": "2010-08-26T17:48:01",
"content": "In my own testing of using a Picaxe with a 38khz IR sensor and an IR LED to test making an ‘invisible barrier alarm’ with the sensor+LED on the same chip and the light being bounced back from a reflector across a corridor/room, I found the sensor would only trigger once for a short period time no matter how long a 38khz pulse is sent from the IR LED, meaning I had to pulse the 38khz singal to the LED. I took a look at this guy’s code to see how he got around that but it has so many goto commands I keep getting lost.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173729",
"author": "Jeremy",
"timestamp": "2010-08-26T18:39:41",
"content": "Be great if it could operate while completely closed. The pocketing solution to stifling the noise could be fixed by making it louder and also making sound in a frequency people can’t normally hear. Might drive dogs crazy though. Now if only you could make it have a sound that attracts dogs… there’s a good burglar alarm!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173818",
"author": "Hirudinea",
"timestamp": "2010-08-26T22:47:32",
"content": "The guy who made this could use it to keep people from stealing his zippo, if he hadn’t gutted it to make this alarm.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "294525",
"author": "Rabe",
"timestamp": "2011-01-02T00:34:22",
"content": "Great post. Keep it up. :-)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.448525
|
||
https://hackaday.com/2010/08/25/take-better-pictures-of-your-projects/
|
Take Better Pictures Of Your Projects
|
Mike Szczys
|
[
"digital cameras hacks"
] |
[
"better",
"led",
"levels",
"photography"
] |
[PT] let us know about a fantastic
guide to taking better photographs of your projects
. It’s a hefty read but well worth the effort. Author [Johngineer] helps us understand how to use simple (and possibly inexpensive) tools like lights, mirrors, and a background material. He also gives some tips on how to recognize what your image processing software is telling your about your photography skills (get the correct camera setup and you won’t need correct your levels in The GIMP). There’s even some tips on photographing LEDs,
a topic we’ve seen before
, which you’re bound to find useful when trying to make that blinky thing you built into an
Internet sensation
.
| 11
| 11
|
[
{
"comment_id": "173387",
"author": "PocketBrain",
"timestamp": "2010-08-25T21:48:33",
"content": "Take this to heart! I usually try to get my photos on a white background with diffuse lighting. Maybe I should blog my hackety ligting rig.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173403",
"author": "Phil",
"timestamp": "2010-08-25T22:46:17",
"content": "This is more a Tutorial like “How to bulid your own home studio.”. lg",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173424",
"author": "jaded",
"timestamp": "2010-08-25T23:41:53",
"content": "This is a brilliant tutorial on lighting (no pun intended.) I’ve long wanted to make a similar setup but wasn’t sure how to go about it. I’ve looked at light tents and not been impressed, especially given the costs. I already have a pair of lamps on tripods, but the stage is the part I didn’t understand before. And I was always afraid of the reflected light from mirrors being too harsh, I didn’t understood before that increasing distance softens their light.I’m hitting the Home of De Poe for parts this weekend. Thanks, Johngineer!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173425",
"author": "Quin",
"timestamp": "2010-08-25T23:43:12",
"content": "That looks like a pretty basic photography set-up. Things to add are thin, rice-paper like sides to diffuse the light a little more; see any number of photography blogs on what what does to your lighting and shadows. The photo lamps are a great suggestion, as is finding the white balance option option on the camera. Just do not mix your bulb types unless you want different colored shadows. Xenon flash bulbs are around 5500K, not the same as the 3200K constant light bulbs that she recommends. Most DSLRs are going to have a tungsten and a daylight and maybe a separate flash white balance setting, pick the right one.Only part I would disagree with is the wide-angle macro. I personally don’t like them for small projects because you either have too much white space on the side, or you are too close and get a slight curve to your straight lines. On a point and shoot, you don’t have much choice, but with an SLR I like a zoom macro. My favorite is my 300mm, 0.95 meter focus, but it was free.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173457",
"author": "nave.notnilc",
"timestamp": "2010-08-26T01:36:56",
"content": "personally, for electronics I like photographing against a graph-paper because it gives a sense of scale.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173483",
"author": "Spork",
"timestamp": "2010-08-26T02:50:40",
"content": "@ Quin and nave.notnilcA really great way to combine your ideas is this:Take white or black felt, whichever your project looks best on, and put half of it on a table, then drape the other half over a box. Place a piece of plexiglass/acrylic about 2-4x the size of your piece on the cloth, then light at about a 45* angle.This gives you AMAZINGLY professional looking results. You can also place a quarter or dollar bill in the picture for reference.(Other reference items are much prettier looking than graph paper in my humble opinion. Try the blades of calipers or a stainless steel micrometer and let me know how many more compliments your projects get.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173484",
"author": "Spork",
"timestamp": "2010-08-26T02:52:37",
"content": "*Note, I just looked over the article and it looks like he goes over pretty much what I described. The acrylic and cloth really does give a softer light effect + a vivid reflection.Cheers",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173499",
"author": "macona",
"timestamp": "2010-08-26T03:42:13",
"content": "I would skip the hot lights and go with some cheap slave strobes. Get them off ebay for cheap and they are good enough for small stuff. Cheap umbrella are less than $10 each too.But I am spoiled with my Photogenics…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173521",
"author": "Willy",
"timestamp": "2010-08-26T05:00:04",
"content": "Is it just me, or does a PVC frame seam a bit excessive? I was talking to my buddy and he’s always found taping paper to a wall to be quite adequate. In my own experience, even the tape is unnecessary. Just lean the paper against a wall or some books.On another note; a good trick I’ve found is photographing a well lit project against the night sky. You get a very good contrast and a nice even background.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173595",
"author": "darkore",
"timestamp": "2010-08-26T10:21:30",
"content": "Great post! Thanks.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174045",
"author": "twistedsymphony",
"timestamp": "2010-08-27T12:51:38",
"content": "this is great… I might snag a huge piece of board to take pictures of larger object that my light tent can’t handle.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.377983
|
||
https://hackaday.com/2010/08/25/wristwatch-board-with-throwback-digits/
|
Wristwatch Board With Throwback Digits
|
Mike Szczys
|
[
"clock hacks"
] |
[
"16f628a",
"7 segment",
"crystal",
"led",
"pic",
"wristwatch"
] |
This
wristwatch circuit board
has some pretty interesting digits. They’re older components that give a classic look to your wristwatch display. On board you’ll find a PIC 16F628A running with an external clock crystal. The display isn’t always illuminated (kind of like
Woz’s watch
) in order to save the batteries, but can be woken up for a short time with the push of a button.
The steam-punk-ish body
seen to the left is the just first try. This guy has four more boards left so it should be fun to see what he comes up with.
[Via
Hackaday Flickr Pool
]
| 22
| 22
|
[
{
"comment_id": "173354",
"author": "Tech B.",
"timestamp": "2010-08-25T20:13:55",
"content": "I love how most posts on here that have anything to do with time, it displays 4:20. For that I give this place kudos.As for the watch… wait, what was I thinking about¿ lolbut really, cool watch.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173356",
"author": "normaldotcom",
"timestamp": "2010-08-25T20:20:47",
"content": "Just messed around with some SLG2016 dot-matrix LED displays, they are pretty good-looking and easy to use. The price is a bit high though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173362",
"author": "svofski",
"timestamp": "2010-08-25T20:30:20",
"content": "These are not the only pretty old displays out there. Digikey loves to sell them for some $50 a piece, which is assault and robbery with subsequent rape. They, and similar displays, pop up on ebay sometimes, sometimes rather expensive too, sometimes for like $1 a piece.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173364",
"author": "Sphie",
"timestamp": "2010-08-25T20:36:28",
"content": "Nice, i have used these kind of display’s last week but what are “throwback digits” ? Never heard of it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173367",
"author": "coffeetablesex",
"timestamp": "2010-08-25T20:44:05",
"content": "always gotta set the clock to 4:20 for the photoshoot ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173379",
"author": "localroger",
"timestamp": "2010-08-25T21:18:34",
"content": "I actually remember when LED wristwatches like this (just a little smaller) were the only kind of digital watches available, and they were over USD$100 in the 1970’s, and you had to push a button to wake up the display.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173394",
"author": "Erik Johnson",
"timestamp": "2010-08-25T21:52:09",
"content": "Jameco has an “LED Display Grab Bag” that usually includes displays like this (several LED dies forming each segment of a 7seg) and even some legitimate LED wristwatch innards from the 70/80s, though usually the watch units are dead, I’m sure the displays are still good!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173402",
"author": "jh",
"timestamp": "2010-08-25T22:41:42",
"content": "the case is pictured to the right… not the left.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173406",
"author": "Terry",
"timestamp": "2010-08-25T22:49:43",
"content": "a couple years ago I bought a couple replica watches with these displays on ebay. Might be worth searching for the watches and gutting them if they’re cheap.What’s a good source for buying the LED modules?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173441",
"author": "AnubisTTP",
"timestamp": "2010-08-26T00:32:57",
"content": "The FND-10’s used in this watch are extremely hard to find and almost never appear for sale on Ebay, they would be best avoided if you are looking to build your own watch. By far the most ready source for a display is from another LED watch; broken LED watches can be bought cheaply on Ebay and elsewhere. Be careful when going this route, as some of the cheaper LED watches do not have separate displays, the bare LED dies are attached directly to the main PCB and covered in epoxy. Another good option would be some member of the HDSP-2010 family… these are nice four digit glass-and-ceramic displays in a tiny 12 pin DIP package. They are fully alphanumeric and have built in shift registers, which saves a lot of uC pins. HDSP-2010’s and a myriad similar part numbers from the same family can be found on Ebay fairly regularly for $10 – $15 dollars each.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173473",
"author": "grenadier",
"timestamp": "2010-08-26T02:20:20",
"content": "I want one!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173480",
"author": "Hitek146",
"timestamp": "2010-08-26T02:43:53",
"content": "Before I read the article, I thought these displays were the TI hexidecimal units with the integrated BCD decoders, but this is much more awesome…Anyone have any guesses as to how he has integrated the momentary switches? My quick guess is that either button resets the microcontroller, and then the microcontroller is programmed to poll two of the outputs he is using for the display as inputs at startup, assuming that the microcontroller can reset, and then boot into full operation all during the duration of a human button push, but that would require some sort of one-shot circuit, and he seems to imply that he is only using diodes…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173488",
"author": "Hitek146",
"timestamp": "2010-08-26T03:04:52",
"content": "Oh, and I’m also don’t understand why the 13th I/O pin is unusable because it is open-drain. It seems to me that it’s open-drain actually makes the pin MORE usable/versatile. Add the proper glue components(pull-up resistor?) to make it behave as a standard input?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173504",
"author": "Soundwavehi",
"timestamp": "2010-08-26T03:49:40",
"content": "The case is on the right not the left, maybe you need to draw a little L and R on your hands buddy…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173662",
"author": "Spuds",
"timestamp": "2010-08-26T14:22:56",
"content": "My father used to have watches like this in the 1970’s– the first digital watch… or one of the first. It was called a Quasar. He had a men’s version and a women’s version for my mother.They powered themselves through the kinetic energy of the body, so they never needed batteries. To see the time, you would move your wrist violently for a moment and the display would come on.I was fascinated by these watches.I found an ad for them from 1976– lucky to find it, I don’t see anything else on the net with a quick search that even remembers them. :(http://www.ledwatches.net/advertisements/quasar-ad-l.htm",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173680",
"author": "Kronic",
"timestamp": "2010-08-26T16:06:01",
"content": "420 ftw, mad props and love the work!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173681",
"author": "Whatnot",
"timestamp": "2010-08-26T16:16:48",
"content": "It’s a bit odd and disappointing that 30+ years after the first LED watches we still don’t have the battery capacity to light them all the time.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173682",
"author": "Whatnot",
"timestamp": "2010-08-26T16:19:21",
"content": "The old ones had the bulb-shaped lenses on each LED digit though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173790",
"author": "Alexander Rossie",
"timestamp": "2010-08-26T21:30:18",
"content": "I really want a watch that vibrates when the alarm goes off so I can have a silent alarm also it’ll be more effective at waking me up… maybe",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173920",
"author": "biozz",
"timestamp": "2010-08-27T03:54:39",
"content": "420!!!!!! (12% of the united states gets that :3 )",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174059",
"author": "jim",
"timestamp": "2010-08-27T13:41:22",
"content": "Who else just goes “meh” and switches off when they read or hear “steampunk”?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174250",
"author": "error404",
"timestamp": "2010-08-27T23:15:51",
"content": "Add an accelerometer and turn the display on when the force vector is straight down.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.275271
|
||
https://hackaday.com/2010/08/25/modem-used-in-an-alarm-system/
|
Modem Used In An Alarm System
|
Mike Szczys
|
[
"Security Hacks"
] |
[
"16f628a",
"alarm",
"modem",
"pic",
"pir",
"sensor"
] |
This
alarm system senses motion and then alerts you by phone
. [Oscar] had an old external modem sitting around and, with some wise hardware choices, he came up with a simple circuit to use it. First up is the PIC 16F628A chosen because it doesn’t require an external crystal. This connects with the modem via a DS275 RS232 transceiver because it requires no external parts for connection. The final portion of the puzzle is a PIR sensor that triggers a pin interrupt in the sleeping PIC, which then dials your number to alert you. It doesn’t look like anything happens other than your phone ringing, but that’s enough for a simple system. We’re just happy to see how easy it was to use that modem… time to go hunting for one in dreaded junk trunk. Don’t miss the clip after the break.
[youtube=http://www.youtube.com/watch?v=WYHL4va0dgY]
| 22
| 22
|
[
{
"comment_id": "173344",
"author": "JeffR",
"timestamp": "2010-08-25T19:22:58",
"content": "Cool, just point it to the google voice number and I can has a record of how many times my liqueur cabinet is accessed when I am not there :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173347",
"author": "Zelka",
"timestamp": "2010-08-25T19:32:52",
"content": "Nice. I am also looking for the parts. I know I have a spare cellphone, maybe use that somehow instead…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173348",
"author": "Zelka",
"timestamp": "2010-08-25T19:34:54",
"content": "Maybe he should connect the incoming line to a loudspeaker. Then if the phone rings, he picks it up and shouts: “GET OUT OF MY HOUSE, I GOT A SHOTGUN AND WILL USE IT!”hehehehe",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173349",
"author": "Brad Hein",
"timestamp": "2010-08-25T19:37:02",
"content": "Hmmm, I wonder what else I can do with the old USRobotocs Modem and computer parts I have.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173350",
"author": "Josh",
"timestamp": "2010-08-25T19:46:37",
"content": "This could be setup to contact your cellphone provider’s TAP gateway and send you text messages. I used to do it with a Nagios setup where we didn’t have a backup WAN connection. Worked a charm.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173351",
"author": "osgeld",
"timestamp": "2010-08-25T19:48:33",
"content": "at work we needed to monitor humidity at different points in our fairly large warehouseI bought a box of old modems, send some at commands and they will connect point to point, over fairly long distances",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173378",
"author": "salvadormrf",
"timestamp": "2010-08-25T21:15:30",
"content": "Nice, now we can use old modems for something useful :DCuriously, i did today the same experience on a room, arduino with an PIR sensor, and i set the policies on server side like sms, email, and others. Also in the kitchen i have a gas sensor for detecting gas leaks with SMS alert :).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173397",
"author": "vonskippy",
"timestamp": "2010-08-25T22:03:49",
"content": "People still have landlines in their house?There’s $400/year (or more) down the drain.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173407",
"author": "Paul Potter",
"timestamp": "2010-08-25T22:56:00",
"content": "Simple but effective. I like it. Great choice of ringtone too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173419",
"author": "Hosting",
"timestamp": "2010-08-25T23:17:59",
"content": "I like this idea, especially if you can use a cellphone (because power and/or phone can often be cut by a professional thief and a cell will survive both).Oh and +1 for the IT crowd ringtone! :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173427",
"author": "jaded",
"timestamp": "2010-08-25T23:48:57",
"content": "Not sure why he needed the PIC at all. Many of those old modems can be set up to auto-dial a stored number when DTR is raised.But having the motion sensor call you is kind of clever.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173439",
"author": "rallen71366",
"timestamp": "2010-08-26T00:29:51",
"content": "@Paul Potter – Not down the drain in my case. I live so far out in the sticks that cell phone reception is pretty hit-or-miss at home. The old land line equipment isn’t fast, or high bandwidth, but usually dependable.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173496",
"author": "Haku",
"timestamp": "2010-08-26T03:37:43",
"content": "I’ve never thought of using an old modem in that way, some great lateral thinking there :)@Zelka, certain mobile phones that can be had very cheaply 2nd hand have TTL serial port connections –http://hackaday.com/2010/02/23/serial-communication-with-cell-phones/@vonskippy, of course people still use landlines, ideal for ADSL where cable isn’t available ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173518",
"author": "andar_b",
"timestamp": "2010-08-26T04:48:24",
"content": "And of course you know, there are still a few people out there that have to rely on the sneakernet due to bad phone lines and no broadband at all, wireless or not.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173570",
"author": "aj",
"timestamp": "2010-08-26T08:38:44",
"content": "@rallen71366 yep, same here. And forget about cable getting out here within the next decade.Neat hack, only having the discussion the other day about “Why do we have an old external modem in this closet?”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173755",
"author": "bwmetz",
"timestamp": "2010-08-26T20:10:45",
"content": "Agree with DTR dialing comment. Just mod the motion sensor to feed the output voltage to a switching transistor to loop the DSR pin back to the DTR pin. I’ve used a similar setup, but in reverse, to monitor for power loss in the past, i.e. notify you when switching to UPS power.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174058",
"author": "Jef",
"timestamp": "2010-08-27T13:37:01",
"content": "Without knowing about this work, I have constructed a similar system. Currently my home alarm works as follows:– PIR detectors (230V modules) connectected to light bulbs in a closet.– the light is picked up by a led as light sensor connected to a PIC that drives a sirene by means of a transistor.– the sirene sound is captured by a mike that triggers an arduino to send out AT commands to a modem.I know it is a little too …, but1) the mains are separated from low voltage circuits2) there is a sirene warning the neighbors3) other sources of sound will also trigger the modem to call me.If I only knew how to connect and transmit sound messages…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174293",
"author": "bwmetz",
"timestamp": "2010-08-28T03:44:20",
"content": "Unless I’m mistaken, you won’t be able to use a modem to dial you and play a messaage. You could patch into a cheap phone though. Just control the off-hook switch, then to dial the number either tap into the dial pad or playback sampled DTMF tones into the mic line, . Then playback your message after a time delay.It’s nothing fancy like trying to detect an answering voice, but should work without too much effort.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "175354",
"author": "Richard",
"timestamp": "2010-08-30T22:33:18",
"content": "Years ago, I did something slightly similar, but I had the PIC programmed to use the modem to dial my pager service, and then wait a few seconds, and send a number via touch tones. It was all done with one long ATDT string with commas for pauses.I don’t have a pager anymore — It’s replaced by a cell phone. But some cell service providers let a caller leave a numeric page by dialing your number, waiting a bit, and pressing the right keys. You might be able to use this trick to get a simple PIC with a modem to send you a variety of numeric messages, more than just a simple “HEY!”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "178292",
"author": "terri",
"timestamp": "2010-09-07T15:47:34",
"content": "Who needs a message? If you use a number that will be dialed only from your security system & you have caller ID on the phone you dial, the appearance of that number on the phone you answer should alert you that something’s wrong on the other end. Could you use a disposable phone for this?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "355847",
"author": "James",
"timestamp": "2011-03-12T04:18:26",
"content": "Is there a write up for this??? i need it as I’ve had been broken into when I’m not home….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "357726",
"author": "Oscar",
"timestamp": "2011-03-14T10:00:17",
"content": "@James, now the link is up again.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.332658
|
||
https://hackaday.com/2010/08/25/el-wire-make-it-connect-it-power-it/
|
EL Wire: Make It, Connect It, Power It
|
Mike Szczys
|
[
"chemistry hacks"
] |
[
"ac",
"el",
"electroluminescent",
"jeri ellsworth",
"panel",
"pcb",
"phosphors",
"power supply",
"psu",
"wire"
] |
[Jeri’s] back with a series of videos that outlines the
step-by-step electroluminescent wire manufacturing
, making
EL panels from PCBs
, and
assembling power supplies for EL hardware
. These concepts are actually quite approachable, something we don’t expect from someone who
makes their own integrated circuits
at home.
The concept here is that an alternating current traveling through phosphors will excite them and produce light. You need two conductors separated by a dielectric to get the job done. For wire, [Jeri] uses one strand of enameled magnet wire and one strand of bare wire. The enamel insulates them, protecting against a short circuit.
But that’s not all, she also tests using a circuit board as an EL panel. By repurposing the ground plane as one of the conductors, and using the solder mask as the dielectric she is able to paint on a phosphor product resulting in the glowing panel.
Finally, you’ve got to get juice to the circuit and that’s where her power supply video comes into the picture. We’ve embedded all three after the break. It’s possible that this is cooler than blinking LEDs and it’s fairly inexpensive to get started. The circuitry is forgiving, as long as you don’t zap yourself with that alternating current.
EL wire manufacturing
[youtube=http://www.youtube.com/watch?v=cV2HS7_Mg6o]
Making EL panels from PCBs
[youtube=http://www.youtube.com/watch?v=h4O3BGjxd5I]
EL power supplies
[youtube=http://www.youtube.com/watch?v=AcXHx5ikjM4]
| 32
| 32
|
[
{
"comment_id": "173247",
"author": "Hiroe",
"timestamp": "2010-08-25T15:50:10",
"content": "Did the green pixel move?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173263",
"author": "kyle",
"timestamp": "2010-08-25T16:18:00",
"content": "wow a project i can actually understand fully :) thanks [Jeri]I am particularly amazed that you can do this PCB’s. I see some really trick motherboards in the future. or hell just add it your your project for even more cool kid points.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173265",
"author": "sneakypoo",
"timestamp": "2010-08-25T16:27:24",
"content": "Thanks for taking some of the “magic” out of the analog stuff, I finally understood something. I’ve always been a bit intimidated by “analog” circuits such as these. With micros you know it’s either this or that but with transformers and the like I always feel it’s… mysterious. Hope that made some sense hehe.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173267",
"author": "Bob",
"timestamp": "2010-08-25T16:32:15",
"content": "I made the first circuit she showed when I was 8 years old as a shocker. My teacher and classmates were not amused. You can accomplish something similar by using a DC motor instead of a relay. Because the current fluctuates as the brushes make contact with uncharged coils, you can cause an attached transformer to output an AC current. I would use the motor over the relay because the relay won’t last long when used that way.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173279",
"author": "Sariel",
"timestamp": "2010-08-25T16:46:10",
"content": "totally amazing! you’re brilliant Jeri, you even explain it in a way I can understand. Thanks! btw hope you get that new camera! just make sure you hack the old one into something cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173280",
"author": "Jeri Ellsworth",
"timestamp": "2010-08-25T16:47:02",
"content": "Thanks Hack-a-day for the nice write up! If I could only condense it down that concisely when I ramble in the videos.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173281",
"author": "Spuds",
"timestamp": "2010-08-25T16:47:03",
"content": "Okay… I’m not trying to sound sexist… because my default is to NOT be sexist… and I don’t want to take any credit from her whatsoever… because she’s smart. And I love smart girls…And I don’t want to sound like a horn dog, because I’m not.. but there is just something about a girl that can make her own PCBs and wire her own stuff up that really gets me going.Of course, I had to do all of that stuff for my ex-wife. (Ham Radio operators, always tinkering with something) — So after spending all of those years doing it for her, it may just be the excitement of knowing that there’s someone out there that can do it themselves and is also a woman.That being said.. this is a cool project. I look forward to trying it.@sneakypoo — Don’t let it baffle you. It’s all the same electrons. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173299",
"author": "jeff-o",
"timestamp": "2010-08-25T17:16:43",
"content": "I’m with you, Spuds – techie females rock!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173306",
"author": "JB",
"timestamp": "2010-08-25T17:41:19",
"content": "DEAD PIXEL!!!!!!!!!!!!j/kNice project and thanks. Now to get the “sample” materials and build something.Are you sure that is a dead pixel? It looks like some floating EL material :P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173308",
"author": "Mike Szczys",
"timestamp": "2010-08-25T17:46:38",
"content": "@Jeri: I disagree. The “rambling” you do in your videos is what make it so easy to fully understand your projects. Being concise isn’t always a virtue when teaching.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173312",
"author": "dontpanic",
"timestamp": "2010-08-25T17:58:52",
"content": "On-PCB dot-matrix display! If only I had the time for a hack…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173323",
"author": "tinkermonkey",
"timestamp": "2010-08-25T18:25:26",
"content": "I like your posts. I really like the EL phosphors.I am curious about the potential toxicity of the phosphors you are using. The rare-earth phosphors in color TV’s is toxic and biologically available. Which is why TV’s require processing as toxic waste. I noticed you do not ware gloves while handling the phosphors. Have you read the CAS supplied with these chemicals? I do not wish to be an alarmist, but knowing if something toxic will help you protect your self if necessary.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173334",
"author": "Jac Goudsmit",
"timestamp": "2010-08-25T18:35:27",
"content": "Jeri Ellsworth is probably the only person that I wouldn’t stop in mid-sentence for saying “The VOLTAGE goes into the relay…”. I _KNOW_ she means “The CURRENT goes into the relay” (video 3). :-)Awesome stuff! And yes someone should donate a camera.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173338",
"author": "Jeri Ellsworth",
"timestamp": "2010-08-25T19:05:13",
"content": "Oops. Yes. Current. Hazards of making videos by the seat of my pants.Toxic – The phosphors are ZnS based, similar to glow paint, but do read the MSDS before handling anything.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173371",
"author": "Gene",
"timestamp": "2010-08-25T20:52:42",
"content": "Cool. This gets me thinking about a display built right into a PCB (I imagine you could make display segments with shaped copper pads) but I’m not so sure about switching a large number of high voltage AC circuits. Piles of relays should do it by rather bulky and expensive (even with small reed or solid state relays that are under a buck each.) Multiplexing seems like it would diminish brightness too much. Triacs? Never worked with them, but on first brush seems like it might do the trick and can be had cheap.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173373",
"author": "Jeri Ellsworth",
"timestamp": "2010-08-25T21:05:35",
"content": "Triac’s are a good choice and I’ve done multiplexing experiments. I’ll demo it soon.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173386",
"author": "svofski",
"timestamp": "2010-08-25T21:48:19",
"content": "I rather like that green mole, it’s cute.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173412",
"author": "dbear",
"timestamp": "2010-08-25T23:04:22",
"content": "A quick question – Can these be made to work with pulsating DC? That is with the positive half of a sine wave or possibly a 0 to 300V square wave. That would make it a whole lot easier to control using mosfets instead of triacs. It appears to me that the EL elements are electrically a capacitor and it shouldn’t matter either way. After all little neon lights work on DC(they just glow on one side).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173430",
"author": "David",
"timestamp": "2010-08-26T00:02:20",
"content": "Awesome work, once again, Jeri!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173459",
"author": "Jeri Ellsworth",
"timestamp": "2010-08-26T01:37:12",
"content": "I haven’t had much luck with pulsating DC without an active pull down to return the display back to ground.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173566",
"author": "Tachikoma",
"timestamp": "2010-08-26T08:27:00",
"content": "It would be interesting to see a modified Hartley oscillator in action to drive the thing. Cool thing is, you could also tune the oscillator.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173629",
"author": "Derek",
"timestamp": "2010-08-26T12:05:54",
"content": "LOL. The dead pixel gives me an idea. Use a piece of software to lace videos with an artificial dead pixel in a different spot each time. It would drive a certain group absolutely nuts.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173706",
"author": "zeropointmodule",
"timestamp": "2010-08-26T17:32:45",
"content": "hehe.. nice.any ideas if you could make the flexible equivalent using the front coating from a touch screen and spray-on photoresist?another thought I had is using spin coated sodium silicate (aka water glass) mixed with the phosphor then dried as a low-cost clear dielectric.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173726",
"author": "EdZ",
"timestamp": "2010-08-26T18:33:59",
"content": "If your purpose is to build a compact circuit rather than to experiment with scratch-building a driver, then there are numerous all-in-one SMT EL driver chips available.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173753",
"author": "George Johnson",
"timestamp": "2010-08-26T19:51:43",
"content": "So where do you get the chemicals from??",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173777",
"author": "zeropointmodule",
"timestamp": "2010-08-26T21:04:07",
"content": "another idea i had, connect different value smd inductors to each segment, parallel capacitors as needed then drive from a single PC audio output.this should allow individual segments to light up without complicated wiring..the same technique with larger inductors and output diodes should allow a VFD to be driven directly from a PC audio out due to the low current draw..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173848",
"author": "nave.notnilc",
"timestamp": "2010-08-27T00:29:07",
"content": "I am also curious as to the costs and source of the chemicals.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173906",
"author": "Hitek146",
"timestamp": "2010-08-27T03:22:47",
"content": "I believe Jeri discussed sources for the chemicals in Jeri’s first “Getting Started With EL”(or whatever) article that was posted on Hackaday some time back…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "437387",
"author": "suresh joseph",
"timestamp": "2011-08-18T18:40:06",
"content": "EL is wonder.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "441268",
"author": "Kevin Elfman",
"timestamp": "2011-08-25T05:35:19",
"content": "I cannot find a place to buy EL phosphors ? Can you please provide a source for large quantities – I would love to make some of this stuff.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "963671",
"author": "dc",
"timestamp": "2013-02-21T23:08:41",
"content": "good job self taught also..you rock",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "1114960",
"author": "Beneden Dickt Danglespan",
"timestamp": "2013-11-29T00:54:48",
"content": "This is … well I’m 3 years behind to having found out the nerdy stuff went bisex … I mean, this is awesome. I come from an age where it used to be completely a boy thing to do electrostuff. The future is bright !!! ;) It’s excellent that women will now go into electro design. But I guess that’s another one of my lagging behind idea’s. ;)FANTASTIC!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.731186
|
||
https://hackaday.com/2010/08/25/electric-scooter-sings-as-it-travels/
|
Electric Scooter Sings As It Travels
|
Mike Szczys
|
[
"Transportation Hacks"
] |
[
"battery",
"electric",
"lead-acid",
"lithium",
"motor",
"scooter"
] |
[youtube=http://www.youtube.com/watch?v=MaQuRnZYKPc]
This
scooter has been fitted with a three-phase induction motor
. It reminds us of the sound effects from vehicles in
the
Jetsons
. Right now they’re using lead-acid batteries and get about 15 miles of range from one charge. Once they switch over to lithium polymer they calculate the range will be closer to 45 miles due to the reduced weight and increased capacity. Not bad for $600 in parts, and we’d bet it’s both faster and more stable than
the one-wheeled-wonder
we saw last week.
| 34
| 32
|
[
{
"comment_id": "173195",
"author": "po",
"timestamp": "2010-08-25T13:30:35",
"content": "It Sings!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173199",
"author": "Jake",
"timestamp": "2010-08-25T13:48:29",
"content": "I was in Elk Rapids, Michigan this weekend. Some kid went by us on a moped, he had a full sound system on the thing – It even had decent bass. It was LOUD!That’s what I thought this hack was about ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173201",
"author": "Jake",
"timestamp": "2010-08-25T13:52:57",
"content": "Hahaha, he calls the changing duty of the FETS “the changing of the gears”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "1013686",
"author": "Vasko Ackovski",
"timestamp": "2013-06-07T11:58:27",
"content": "How would you explain otherwise the change of the sound to someone illiterate in 3 words?! Do you want me to specify the pause gap between phase shifts?",
"parent_id": "173201",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "173206",
"author": "kaaaaaaang",
"timestamp": "2010-08-25T13:58:34",
"content": "What is the exact function of the exahusts? decorative?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173207",
"author": "sunjester",
"timestamp": "2010-08-25T14:00:22",
"content": "And?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173210",
"author": "Sci",
"timestamp": "2010-08-25T14:12:15",
"content": "@kaaaaaaang Umm, what exhausts? Do you mean the fairing?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173212",
"author": "extermin8tor",
"timestamp": "2010-08-25T14:14:08",
"content": "The guy who filmed it looks like Niko Bellic from GTA IV, he even sounds like him :)They scooter looks pretty good, I used to have a 200 watt electric scooter that had the same body style and MAN that thing was fast, 50 KM/HR @ 48 volts, 50 KM range.However the state government passed a memorandum that basically prohibits electric scooters, and only allows assisted bicycles, due to the number of people riding those things irresponsibly (mainly no helmet, on sidewalks at 50 km/hr, on bike trails, etc).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173217",
"author": "grenadier",
"timestamp": "2010-08-25T14:24:27",
"content": "Enough with people slapping tesla’s name on everything!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173219",
"author": "cuttlefsh",
"timestamp": "2010-08-25T14:38:27",
"content": "@grenadier they need to make a “Tesla Toothbrush”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173229",
"author": "Drayon84",
"timestamp": "2010-08-25T15:03:34",
"content": "Custom electric mopeds and scooters are getting more popular. In a few months I’ll have to send my Honda PA50II conversion here when I’m done.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173232",
"author": "Rustybadger",
"timestamp": "2010-08-25T15:07:17",
"content": "The sound reminds me of Kirk’s electric motorbike in the latest Trek film.And these guys actually CAN put Tesla’s name on it, since they’re using an AC motor (as opposed to DC systems, which would have to be named after the King of DC, Thomas Edison). Besides, we should be naming EVERYTHING after Tesla, since he rocked!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173245",
"author": "svofski",
"timestamp": "2010-08-25T15:42:20",
"content": "This sound is indicative of very coarse AC motor control. This scooter could be made much more efficient and practically silent, but it’s a great start.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173255",
"author": "Gert",
"timestamp": "2010-08-25T16:07:39",
"content": "If we ever develop good and affordable batteries forelectric transport we still have the noise to work out. Electric cars have a very high pitch noise.Combine that with todays plastic cars and you have a noise that’ll become unbearable after a few minutes.One question about the scooter. How hot do those mosfets get?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "1013687",
"author": "Vasko Ackovski",
"timestamp": "2013-06-07T12:04:04",
"content": "You can hold the hand on the sink… means no more than 50C degrees.",
"parent_id": "173255",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "173300",
"author": "James",
"timestamp": "2010-08-25T17:20:27",
"content": "No-one else worried by the chap burying a body at the side of the road?I like it, clean, simple, does the trick.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173322",
"author": "hanneshow the",
"timestamp": "2010-08-25T18:23:27",
"content": "I this kind of hacking legal in France? I would love to build something like that, but german police would kick my ass when they caught me.@James: yeah, that guy digging there looked kinda awkward. But hell, that seemed to be rural France so maybe that’s how things work there :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173340",
"author": "Hackius",
"timestamp": "2010-08-25T19:08:56",
"content": "It’s rural Macedonia!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173341",
"author": "Chris",
"timestamp": "2010-08-25T19:13:23",
"content": "What is the benefit of using an AC motor? Seems like converting from battery DC to AC would be less efficient.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173345",
"author": "Quizme",
"timestamp": "2010-08-25T19:29:02",
"content": "I wish Toyota would put a sound system on their hybrids when they are going slow or start moving. I got hit in the knee when walking by a prius parallel parked in a parking lot when it lurched out, no warning no light indicator. Scared the crap out of me!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173352",
"author": "ravenacious",
"timestamp": "2010-08-25T19:57:14",
"content": "Quite a nice scooter. Doesn’t look too much like a massive hack either.The best thing about this video is the dude in the background going at what looks like it might one day be a pavement with a pick axe. What’s that about?!!?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173375",
"author": "NoName",
"timestamp": "2010-08-25T21:09:29",
"content": "@ChrisActually when you’re varying the speed of a DC motor, you’re sending a PWM signal to it which is already similar to what you do when trying to do a DC to AC conversion. You would use an AC motor because they can typically have better efficiency, and superior power curves than a DC motor. Downside is that the motor controller for them is much more complicated.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173405",
"author": "jonored",
"timestamp": "2010-08-25T22:49:07",
"content": "@Chris – Actually, it’s worth note that a normal DC motor boils down to an AC device mechanically coupled to a simple converter from DC to AC. To my knowledge only a homopolar motor actually directly uses a DC current, and that’s not exactly got much oomph to it. So it really is about the complexity and cost vs. efficiency, and for something high-power like this, the beefy semiconductors aren’t that expensive and are mostly just better.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173408",
"author": "lee",
"timestamp": "2010-08-25T22:56:23",
"content": "Can someone explain why it sings? duty cycles? be gentle if you plan to flame me for asking a question… =)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173417",
"author": "Justin",
"timestamp": "2010-08-25T23:16:27",
"content": "@lee – The noise is from the PWM switching action of the power supply driving the motor. The noise is pretty considerable, which tells me that the supply has a low switching frequency, say in the neighborhood of 2-6 kHz. Another possible reason is that it uses hysteretic control, meaning that the switches only turn on or off when the motor current gets too far away from its target (commanded) value. In other words, having a variable switching frequency.Don’t worry, no flames :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173463",
"author": "Cory",
"timestamp": "2010-08-26T01:54:52",
"content": "lee– Tones are a constant frequency you can hear. Humans are can hear from 20Hz-18kHz (generally). On the bike there are two sources of frequency:1. The sine waves driving the motor and are proportional to the RPM of the motor — this will be < 400Hz, like the buzz you hear from a loaded transformer (60Hz)2. One which chops the battery voltage to approximate a sine waveAll they do is adjust the frequency of #2, which does not change the duty cycle. The duty cycle is used to control the speed/torque of the motor.The reason it \"sings\" is the windings in the motor actually vibrate at that frequency, like a giant speaker.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173519",
"author": "jeditalian",
"timestamp": "2010-08-26T04:50:47",
"content": "i need to get ahold of one of those scooters, it looks pretty light. not after you put lead batteries in it, though. there is plenty of room for battery. throw in 96+ volts of LiPo and speed controller, and a motor that doesnt convert energy into noise so much, although it would be fun to play music with your throttle. then, you have an excellent source of transportation instead of just a slow, short range one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173637",
"author": "Igor",
"timestamp": "2010-08-26T12:42:07",
"content": "The best electric scooter produced in Macedonia ever !!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173684",
"author": "Vasko",
"timestamp": "2010-08-26T16:26:36",
"content": "It’s has 9 batteries now and about 120 volts. Peak current more than 80A and a peak power of about 10kW.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173712",
"author": "Louis II",
"timestamp": "2010-08-26T17:46:56",
"content": "Did anyone else hear music from Apocalypse Now?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173789",
"author": "ladz",
"timestamp": "2010-08-26T21:27:40",
"content": "Sounds exactly like the ancient VFD on my lathe. Newer VFDs I think are usually not this noisy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174809",
"author": "Olivier",
"timestamp": "2010-08-29T16:35:18",
"content": "@hanneshow the: I don’t think german police would care what you ride in france…Some years ago, peugeot made an electric scooter. I saw only one on the road, but this thing was really dangerous: it was almost silent and you couldn’t really see it arriving :-/ Scooters and bikes must be loud for our security.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "176627",
"author": "anitokyo",
"timestamp": "2010-09-03T02:14:51",
"content": "Damn! I think I should be making one. That doesn’t have a reverse button which is like those kiddie toy bikes. :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "212152",
"author": "phugh",
"timestamp": "2010-11-14T02:04:54",
"content": "Nice. This power transmission setup would also work nicely for a trike, as it does have reverse. Trikes are lower so they are much easier to streamline. More space for batteries too.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,387.319213
|
||
https://hackaday.com/2010/08/24/in-dash-motorcycle-display/
|
In-dash Motorcycle Display
|
Mike Szczys
|
[
"News",
"Transportation Hacks"
] |
[
"16f877a",
"computer",
"ecm",
"motorcycle",
"pic",
"temperature"
] |
[Muth]
added an auxiliary display to his motorcycle
instrument panel. He started out prototyping with a PIC 16F877A which he used to access information through the ECM diagnostic connection. Once he had that working he found this tiny display which fits perfectly between the speedometer and tachometer. There’s a short demo after the break where you can see a past-30-minute history of the Adaptive Fuel Value and the engine temperature as well as a secondary information screen.
This is another nice addition to our collection of
vehicle displays
,
scooter controllers
,
gear indicators
, and
motorcycle computers
.
[youtube=http://www.youtube.com/watch?v=MqplGkaLw5A]
| 26
| 26
|
[
{
"comment_id": "172972",
"author": "CutThroughStuffGuy",
"timestamp": "2010-08-24T21:56:59",
"content": "Going past 230 km/h would result in inaccurate speed displays!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172977",
"author": "Jordan",
"timestamp": "2010-08-24T22:07:40",
"content": "He could rig up a little touch-sensitive panel and place it over the screen, essentially as a button. And it could be used to cycle through different modes.But then again, it’s awesome as it is.– Jordan",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172999",
"author": "MS3FGX",
"timestamp": "2010-08-24T22:42:53",
"content": "Looks awesome, but wouldn’t it be pretty hard to read in daylight?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173005",
"author": "SinDex",
"timestamp": "2010-08-24T23:06:00",
"content": "Here’s the problem I have with displays like this and ones that show off what gear you are in. Riding a bike requires 100 percent concentration on EVERYTHING around you to ensure that you do not die. Fancy displays and HUDs projected onto your helmet are nice and all, but if you need to look down to tell your speed or, gods forbid, what gear you are in. Please PLEASE don’t get on a bike on the same road I am on.As for looking down in general, your body tends to want to go where you look. That’s why when you are making a turn in a car or a bike, you turn your head into the turn. Look down and where do you think your head is going?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173012",
"author": "sariel",
"timestamp": "2010-08-24T23:48:39",
"content": "@MS3FGXthats why you cup both hands around the lcd in the day time to see what it says. lol",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173018",
"author": "Rob",
"timestamp": "2010-08-25T00:12:31",
"content": "If you’ve ever been on a motorcycle above 120MPH, you’d realize that speedo accuracy is not really at the top of your list of concerns.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173019",
"author": "seric",
"timestamp": "2010-08-25T00:18:56",
"content": "Could not possibly be harder to read than that damn cartoon font Erik Buell decided to use on the XB’s. The dash backplate was one of the first things I replaced on mine. Great bikes, but I really wish the Japanese did the finishing on them.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173020",
"author": "minimike",
"timestamp": "2010-08-25T00:24:38",
"content": "Nice mod , wouldn’t do anything on my XB9R as I’d probably wreck my electronics.Still Mad at HD for discontinuing them 8(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173035",
"author": "sariel",
"timestamp": "2010-08-25T02:26:22",
"content": "@SericI completely agree. how can you feel like a badass while going past 170kmh in sans comic font? good way to end up like wilie e. coyote i say",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173058",
"author": "biozz",
"timestamp": "2010-08-25T05:00:30",
"content": "on my custom 1000 CC i put in a of the shelf electronic off the shelf electronic single button shifter (one for up and it automatically down shifts) (i have a bad left ankle) and it came with an AMAZING dash system with a super bright blue and white graphic LCD and it shows gear and its an amaing system … and to previous comments 120MPH in a bike is like 200 in a car … its scarry as fuck and its best to know the sound of your engine for when to shift insted of relying on the RPM because you get nasty tunnel vision and any accidental lean can cause a flip",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173059",
"author": "The Steven",
"timestamp": "2010-08-25T05:03:22",
"content": "I must agree with SinDex and Rob.At any speed, your bike will follow your eyes.I ride a 1200cc also, and I do like the twisties… I hardly have time to look at my speedo.Now I do plead guilty to this though, my GPS in my pocket, does “talk” to me through the Bluetooth in my helmet. (turned off during technical riding)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173189",
"author": "fartface",
"timestamp": "2010-08-25T12:55:16",
"content": "Touchscreen? How lame, add a button on the handlebars near your thumb for “mode changes” what person wants to reach over to touch a screen on a bike…as for your bike following your eyes… when I look up the bike does not fly. When I look down it does not go underground. also because I have ridden for well over 30 years… when I look left or right, the bike does not follow.newbies on bikes may do this, seasoned vetrans of road biking, supercross, and racing dont have thins problem of the bike going where I look. when doing 100+mph on a track I am looking at the other racers and picking my line, and many times that is not where I am going.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173197",
"author": "Jake",
"timestamp": "2010-08-25T13:38:33",
"content": "@SinDex – I agree completely. This display is useful only when stopped or traveling at very low speeds.I would also like to say that the buell XB12/S is a complete piece of crap. I realize that the point of owning a harley is not to have good performance, but that it’s more of a “feeling”. I realize that harley owners don’t mind it when their brand new harleys break down, since that’s expected of a harley, but still, total crap IMO. My 600CC Yamaha FZ6S supposedly has almost 40 foot-pounds less torque, yet it outperforms the XB12 in every category – The only “benefit” to the XB12 is that it is a V-Twin which sounds cool and is marginally easier to put around the city in. Harley overrated everything about this bike; It is literally the slowest 1200CC bike I have ever driven, and I’ve driven quite a few of them.I am shocked that anyone that wants a sport bike would buy something that says “harley” on it!!! I wonder if Muth regrets his purchase, or if he’s in “harley denial” ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173198",
"author": "Jake",
"timestamp": "2010-08-25T13:45:04",
"content": "Oh, also, this being a motorcycle-related thread, I’d like to bitch: Last week, I was cited by the Michigan State Police for 137 in a 65. There was not a single other car this particular wide, long stretch of highway; I was endangering no one but myself, and the cop still wrote it for the full speed. GRRR. :'(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173200",
"author": "fartface",
"timestamp": "2010-08-25T13:49:18",
"content": "@jake… Boo hoo… Too bad you got nabbed for being an idiot.As a bike and car racer.. only complete morons speed like that on public roads. Those roads are in CRAP shape.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173205",
"author": "Jake",
"timestamp": "2010-08-25T13:58:06",
"content": "@fartfaceNope – US-131 just north of cadillac, month-old concrete (not asphalt), they widened the road so that each shoulder is about a lane wide, and there is 150 yards or more of nice, smooth grass on either side of the road. about 100 yard separation between the northbound and southbound lanes. It’s pretty nice. Couldn’t resist the temptation ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173233",
"author": "gregman_1",
"timestamp": "2010-08-25T15:10:32",
"content": "Pay to play, Jake. Don’t want a speeding ticket? Don’t speed. And yes, I’ve been riding for 17 years and I work in the motorcycle industry. And I’ve recieved good rider awards from more than one governing body, and guess what? I was speeding. So I didn’t bitch.And for those who continually knock the Buells, you apparently don’t get the point, and you probably never will. So keep riding your “me too” four-cylinder sportbikes and keep the “it’s-different-I-don’t-like-it” whining confined to the chinbar of your helmet.And no, I don’t own one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173234",
"author": "djrussell",
"timestamp": "2010-08-25T15:12:06",
"content": "man, lots of buell hate in here. also, who said anything about needing this while going so fast?my only suggestion is to make a graphic so that this can ghost itself when not needed. a white background with the covered numbers on it.@jake: you’re lucky you didn’t go to jail. take it to the track or drag strip.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173242",
"author": "Ryan",
"timestamp": "2010-08-25T15:31:31",
"content": "Very nice mod.@fartfaceYou are right, very experienced riders won’t ride where ever they look, however, once someone reaches this level of experience i doubt this mod would be much use to them, especially not on the track. I have not once glanced down to check engine temperature or rpm while track riding, and if i do ride with gps it’s cable tied under my seat, logging data for later.Great commuter mod though, this would be ideal info if you’re trapped in gridlocked traffic, or a tunnel, unable to filter or split on your useless buell.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173252",
"author": "Gio",
"timestamp": "2010-08-25T16:02:57",
"content": "Cool hack!All those haters of the Buell font… you can easily swap them out!ALl those who say that buell are crap…have you ever driven one in the twisties? None of my mates on japs could keep up with me! The V-Twin is very reliable as well and the buell are actually very well specced for the price (adjustable showas, alluminium frame, strong clutches etc etc )",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173471",
"author": "Masta Squidge",
"timestamp": "2010-08-26T02:08:46",
"content": "SinDex has obviously never ridden a motorcycle….He makes it sound like riding a motorcycle results in guaranteed death. Hey buddy, I am a motorcycle rider myself. If you think this causes problems with the RIDER you really need to never ride a motorcycle yourself. Most riders are capable of paying far more attention to whats around them than you apparently think.In short…. LOLAnd to anyone who hates buells. Shut the hell up. Nobody cares. Go ride your GSXR off a cliff and let people ride whatever they want.I have a honda CB650 myself. Ive ridden a CBR and gixxer as well as a harley. I must say I really prefer a v-twin, even if it doesnt make as much power or torque. So you are all free to flame me now, then go to hell.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173883",
"author": "SinDex",
"timestamp": "2010-08-27T02:54:29",
"content": "@Masta Squidge I consider my self a ‘Motorcyclist’ and not a ‘Biker’. I ride to work every day on a Vintage (read: Falling Apart on the Road) 1979 Yamaha XS750 Triple.The difference between a ‘Biker’ and a ‘Motorcyclist’? Attitude. a ‘Biker’ will often weave through traffic or change lanes without signaling or just do stupid crap like riding around without even the basics of gear. I am not saying go on your Sunday drives decked out for a track day, but seeing a guy today wearing no shirt, gym shorts and no helmet… At least we can PRAY that he hasn’t had children yet so his genes don’t get passed along.You have fun getting scrapped off the sidewalk by some EMT when you are going 140 down a highway and a deer or Hyundai crosses your path. It’s not a matter of ‘If’ it is a matter of ‘When’.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174154",
"author": "Masta Squidge",
"timestamp": "2010-08-27T17:49:16",
"content": "1: When did I even use the word “biker”?2: When did I ever mention speeding? So why would I hit a deer at 140? Oh yeah, I won’t. Just because you assume things doesn’t make it true.3: It is NOT a matter of WHEN. Again that is an ASSUMPTION.You are a pretty piss poor paranoid motorcyclist if you think a bike is a death machine. And frankly, you being a jackass towards everyone won’t stop the idiots from killing themselves.It is possible that the guy in the above article has a clue.Do you just automatically assume everyone who isn’t you speeds and does 175 mph at all times with no gear? Because it sure seems like it. I will keep riding my 84 CB650 at no more than 10 over with a helmet at all times.You can continue complaining online like a pregnant woman over people who are responsible for themselves.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174181",
"author": "Jake",
"timestamp": "2010-08-27T18:44:20",
"content": "@SinDexHey, I don’t always signal when changing lanes – If there aren’t any cars approaching, and my speed is very close to that of the ones ahead of me, I find it rather pointless. I check, change, and keep my thumb on the grip.I agree about weaving through traffic and other foolishness, those people are just asking to be a human crayon. Though I do wang the throttle in large, smooth, wide-open expanses that I am already very familiar with (and get a ticket once in a while), I will agree that speed/foolishness kills, and I don’t want to break my girls heart by doing something dumb and killing myself!!!Could being a “squid” be considered attempted suicide? Lol. For you that don’t know what SQUID means, I call it Stupidly Quick, Under-Dressed, Ignorant and Dangerous.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174318",
"author": "Seric",
"timestamp": "2010-08-28T06:12:45",
"content": "@JakeAn FZ6 passed through my hands, I sold it. I will not however be selling my XB9R, it’s one of the few bikes which will always stay in my stable. With an LSL Superbike Bar conversion and a slipper clutch, the thing is just fun as hell. Nothing else I own, or have owned drops down into turns as quick. And the short wheelbase lets me get back up and on the throttle when I’d still be completing my corner on my other bikes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "179034",
"author": "Jake",
"timestamp": "2010-09-09T01:05:04",
"content": "If you see a motorcycle broken down on the side of the road, you have about a 110% chance that it is a Harley. Driving back from memorial day weekend vacation, counted more than 10 dead harleys in 6 hours of driving. LOL!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.847569
|
||
https://hackaday.com/2010/08/24/adventures-in-consumer-electronics-control-cec/
|
Adventures In Consumer Electronics Control (CEC)
|
Mike Szczys
|
[
"home entertainment hacks"
] |
[
"18f87j50",
"audio",
"cec",
"consumer electronics control",
"hdmi",
"pic",
"trueHD"
] |
[Valkyrie-MT] was frustrated by the inability to control TrueHD audio volume from his computer. That’s because digital audio passes through the cable to the receiver where the volume adjustments are done. This meant that his RF computer remote was no good because the receiver uses an IR remote. He set out to find a way to get around this and ended up
working with the Consumer Electronics Control (CEC) protocol
.
The
CEC protocol
is a 1-wire serial bus built into the HDMI standard. The solution he settled up required one solder connection on the motherboard as well as the internal USB translator module seen above. That translator box,
called the RainShadow
, is a PIC 18F87J50 controlled board that translates incoming commands from the USB connection and sends them out as CEC hex codes. A bit of code writing and [Valkyrie-MT] is in business. You can see in the video after the break that it’s not just controlling audio, he can now control the entire entertainment center including turning on the TV and setting it to the appropriate input.
[youtube=http://www.youtube.com/watch?v=kE47CxD5xrQ]
| 15
| 15
|
[
{
"comment_id": "172938",
"author": "f8l_0e",
"timestamp": "2010-08-24T19:31:12",
"content": "Damn, this post makes me wish HAD included a rep system. Kudos.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172941",
"author": "ino",
"timestamp": "2010-08-24T19:34:33",
"content": "that’s a nice hack",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172948",
"author": "octel",
"timestamp": "2010-08-24T20:08:52",
"content": "it’s weird how all these useful protocols and functions get implemented then promptly forgotten.why spend time developing it if it’s not going to be used?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172949",
"author": "CodeAsm",
"timestamp": "2010-08-24T20:11:29",
"content": "Wow, I liek this hack. I definitely bookmark this one. I have some hdmi devices not doing what I want them to do, maybe this come in handy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172964",
"author": "blue carbuncle",
"timestamp": "2010-08-24T21:24:02",
"content": "Nicely done! +5 for use of obscure protocol :) Keep up the good work!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172995",
"author": "mjrippe",
"timestamp": "2010-08-24T22:37:22",
"content": "Another cool post! I must say HAD has been finding some consistently good hacks lately. Keep up the good work!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172998",
"author": "DanS",
"timestamp": "2010-08-24T22:41:26",
"content": "Does anyone have a good source for cec hex codes? I built something like this last year to control a one-off video display for a client. I had to sniff codes off a bluray player. It took forever doing trial and error.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173049",
"author": "Nate",
"timestamp": "2010-08-25T04:11:50",
"content": "dam that is nice control, makes me jealous",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173067",
"author": "Spork",
"timestamp": "2010-08-25T05:54:07",
"content": "If you look at the link above, RainShadow has been nice enough to include a PDF with their hex codes and explanations of each.(http://rainshadowtech.com/downloads/HDMICECtoUSBandRS232v7.pdf)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173086",
"author": "Rogan",
"timestamp": "2010-08-25T06:41:26",
"content": "Looks like the hack was not actually [Valkyrie-MT]’s. Seehttp://thegreenbutton.com/forums/p/64265/461638.aspx#461638.The guy behind the RainShadow appears to be [stephanick].",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173087",
"author": "Rogan",
"timestamp": "2010-08-25T06:44:11",
"content": "Ah, apologies to [Valkyrie-MT]. Looks like it was a combined hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174419",
"author": "Valkyrie-MT",
"timestamp": "2010-08-28T14:49:21",
"content": "Apologies accepted Rogan. Yes it was a combined effort. The Rainshadow HDMI-USB Bridge is a solid device. It does all the hard work here reading the CEC bus. I just wrote the software to work with the Media Center Remote Control and “hacked it” by installing it in the computer. But you don’t have to put it inside the computer like I did. It works perfectly fine by plugging it in to any available HDMI port like in an AV receiver or TV. It works because the CEC pin in HDMI is a bus, which means that they are all connected, so you should be able to plug in the bridge almost anywhere.At this point, it’s been in use on my primary TV/Media Center for months and it works great. My wife doesn’t even know she is using it. Everything just works together “magically”. There are a ton of other features that can be implemented in the software, but I just have not gotten around to it…Thanks to everyone for all the positive feedback.-Valkyrie-MT",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174884",
"author": "Miloss",
"timestamp": "2010-08-29T20:44:46",
"content": "The price for the converter is.. just too high to buy..HDMI 1.3a specs are available after filling a questionare.. let’s see whether an 1$ Atmel 89C2051 can do that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "177182",
"author": "Steve jobs",
"timestamp": "2010-09-04T15:41:01",
"content": "my lg lcd tv can do that built in , the only requirement is , hdmi",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "893990",
"author": "Virginia Towles",
"timestamp": "2012-11-29T03:01:26",
"content": "AV Recievers that use UHF are ideal for homes that are very closed space. –<a href=\"Our own internet pagehttp://www.caramoantravel.com/caramoan-accommodation/",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.784976
|
||
https://hackaday.com/2010/08/24/digital-view-master/
|
Digital View-Master
|
Mike Szczys
|
[
"Toy Hacks"
] |
[
"3d",
"key chain",
"lcd",
"stereoscopic",
"view-master"
] |
Who could forget the stereoscopic goodness of a View-Master? [Tuttle] put a modern flair on the classic optical device by
adding two 1.5″ LCD screens
. The screens replace the film disk of the original, showing slightly different images to produce a 3D effect. No word on a camera rig used to take the original images, but for our money this a great way to make something out of those useless key chain picture frames.
| 27
| 27
|
[
{
"comment_id": "172910",
"author": "Zat",
"timestamp": "2010-08-24T18:33:14",
"content": "Now, start watching Avatar in 3D! :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172915",
"author": "HackJack",
"timestamp": "2010-08-24T18:42:28",
"content": "I am keeping an eye on this topic. Not in the exact form but I am hoping someone can hack Myvu such that we can feed different video to left and right eye.3D TV needs glasses anyway. Might as well put the TV on the glass.If individual LCD can be controlled independently, we just need to decode 3D movie into separate streams and we get poor man’s 3D TV.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172916",
"author": "uC",
"timestamp": "2010-08-24T18:54:18",
"content": "A great twist to a old cool toy.Nicely done.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172931",
"author": "Sirrus Rider",
"timestamp": "2010-08-24T19:25:03",
"content": "That could be used for 3D POrn. What is old is new again as the old Victorian stereoscope is the basis for the toy and those outwardly repressed inwardly randy Victorians used to look at dirty pictures in their ‘scopes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172932",
"author": "Sanchoooo",
"timestamp": "2010-08-24T19:27:06",
"content": "love the modernized classics",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172940",
"author": "Charles P. Lamb",
"timestamp": "2010-08-24T19:32:20",
"content": "There is no information on how how the fact that a 1.5″ display is far larger than the original film image is accounted for. Is 80% of the display invisible to the user? Are the optics changed to allow viewing a much larger area?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172950",
"author": "Steve jobs",
"timestamp": "2010-08-24T20:12:36",
"content": "that ____ did not even notice that the eye cannot focus images nearer than 0.5 inches",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172953",
"author": "D_",
"timestamp": "2010-08-24T20:24:45",
"content": "My first though was the eye piece lenses where taken out, but the blog/forum entry say the LCD screens where lined up with the lenses. I guess we will have to wait for the instructable.“Well this little device actually comes pretty damn close to doing stereoscope really well.”, Suggests the the is almost there, but not quite yet. My guess is that a lack of how the pictures where taken, might mean the same picture is displayed on bot displays, not separate left, right images. I’m just making guess due to lack of information.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172957",
"author": "chris",
"timestamp": "2010-08-24T20:57:07",
"content": "well if it works, it will be pretty cool",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172959",
"author": "Sean",
"timestamp": "2010-08-24T21:02:26",
"content": "Taking the images is basically the easy part.All you need are two cameras which are placed eye distance apart using something like a custom tripod bracket. You could even get away with using one camera and moving it if you’re careful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172963",
"author": "Robert Law",
"timestamp": "2010-08-24T21:23:29",
"content": "I have the v-screen which is a device for the sony PSP which gives a 3D effect on your games or photos or videos, it is a special lens which gives the effect",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172975",
"author": "Hirudinea",
"timestamp": "2010-08-24T22:04:12",
"content": "This is clever, it should be shipping from China next week.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172976",
"author": "andrew",
"timestamp": "2010-08-24T22:04:55",
"content": "This would be cool as an augmented-reality interface if only to be able to see people walking around with them held up to their faces.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172981",
"author": "Xb0xGuru",
"timestamp": "2010-08-24T22:18:35",
"content": "Most stereoscopic 3D content is released as ‘side by side’format – check the youtube 3D demos for examples. This is an excellent idea that if the distances can be calibrated, would suffice for one person to watch a 3D movie.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173000",
"author": "svofski",
"timestamp": "2010-08-24T22:52:33",
"content": "I’m curious about display resolution. At such small size, a one-pixel shift in a typical 128×128 cellphone display would make only most coarse 3D pictures possible.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173014",
"author": "rgbphil",
"timestamp": "2010-08-24T23:59:26",
"content": "It’s a cool implementation, what with the lever and everything.I made a similiar sort of thing a while back, nowhere as neat. Quite literally just a couple of keychains stuck to the lenses with some duct tape and toilet rolls. Some 3d generated pics loaded into each one individually and each keychain clicked over individually.As svofski says, the resolution is the problem. You just get a big coloured grid in front of you. I tried a bit of translucent film to blur out the LCD grid…but just ended up with a big blurry grid in front of me.Importantly, because the lens is designed to focus flat on only a small area (the little square of film), the outer fringes of the image get distorted. So not even the whole 128×128 area is usable. The optics in a viewmaster are pretty simple.Whats needed is a small LCD or OLED about the film frame size with a high DPI if you want to work with a viewmaster style portable unit. They can be bought but are expensive. Perhaps LCDs from old video tape cameras.My suggestion to anyone wanting to try this is to make a bigger Mr Spock science viewer type of thing. Use bigger photoframes with higher resolution and optics to focus on the larger area.I had an old baby monitor screen lying around…strangely it was pretty good resolution…but only had one….maybe thats another path to take.Phil",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173015",
"author": "raymond",
"timestamp": "2010-08-25T00:00:36",
"content": "Could definitely usethiswith this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173184",
"author": "Haku",
"timestamp": "2010-08-25T12:08:21",
"content": "Love it! hacking old school toys with modern day tech :)@HackJack, someone has attempted turning some Myvu glasses into 3D ones;http://hackaday.com/2009/01/01/hacking-the-myvu/but one sure way of accomplishing that is to buy two pairs and merge the core components from each into a single pair, with the left & right screens having their own control circuitboards and separate video inputs.I recently got some Zeiss Cinemizer LCD glasses which are capable of doing 3D, my main gripe with them is that the optics are crap, which is suprising seeing as they’re made by Carl Zeiss! My Sony Glasstron PLM-A35 and PLM-S700E LCD glasses have superior optics and are much easier on the eyes, but not 3D capable.As for the 3D part of the CInemizers it needs a plain video picture which the left half is for the left eye and the right for the right, but finding decent footage (any footage!) is a task in itself, there are some demo clips out there and some field sequential footage but the FS footage doesn’t always work well when converted because of how it was recorded; 1/50 or 1/60 second delay between each ‘eye’ refresh as that’s how you should view it with shutter glasses, so the 3D effect sometimes doesn’t quite work when they’re shown to your eyes at the same time.I’m in the process of setting up my own 3D video recording setup to make my own footage using two identical DV camcorders, they have AV input so I can use external identical bullet cameras instead for mounting on bike handlebars or a helmet. Just need to get the 2nd identical camcorder…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173185",
"author": "Haku",
"timestamp": "2010-08-25T12:09:46",
"content": "@Charles P. Lamb, looking at the photos of the build they cut away a significant amount of the plastic disc that winds on the reel to the next frame, to enlarge the field of view to cope with the larger image being viewed, so I guess it probably works pretty well.@rgbphil, if getting hold of small enough high resolution screens to fit into the viewmaster is a problem then this take on DIY stereoscopy is quite nice; Tomytronic 3D –http://hackaday.com/2009/11/04/stereoscopic-3d-with-a-pic-micro/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173248",
"author": "high",
"timestamp": "2010-08-25T15:51:26",
"content": "fyi, panasonic just announced a point and shoot digicam with 2 sensors and lenses that shoots in 3d. check dpreview.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173256",
"author": "Gert",
"timestamp": "2010-08-25T16:09:31",
"content": "Viewmaster was the shit.I remember my Thunderbirds wheel.I watched that thing over and over.Why did i throw that away… sniff",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173259",
"author": "svofski",
"timestamp": "2010-08-25T16:15:04",
"content": "@rgbphil: perhaps it’s time to sweep the junk stores for old video cameras. I’m rather curious about those with b&w viewfinders since those are also analog CRT’s mmm…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173363",
"author": "Nikolai",
"timestamp": "2010-08-25T20:33:34",
"content": "You don’t need a 3D camera to take 3D pics.Any camera can be used for static pictures.Just take 2 shots.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173385",
"author": "Haku",
"timestamp": "2010-08-25T21:41:59",
"content": "@high, Aiptek have a 3D HD camcorder out on the market for as little as $200 US, or £200 if you’re in the UK (yeah we get ripped off something rotten), the DDD11X with dual 5mp CMOS cameras that can take high resolution 3D photos and video.Unfortunately it suffers from having a rolling shutter which means any action footage looks like it was shot on a jelly-cam.One to avoid, which is why I’m doing my own setup using ‘proper’ camcorders.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173466",
"author": "Drake",
"timestamp": "2010-08-26T02:03:22",
"content": "wish i had the details on the wiring. Walmart has in its clearance section digital photo frames in the shape of sports balls. 3 dollars with the 1.5 inch display. going to pick some up",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173710",
"author": "zeropointmodule",
"timestamp": "2010-08-26T17:36:22",
"content": "maybe overlay several low resolution panels at slight offsets with a single polariser on front and back to get a higher resolution?also this would potentially generate 3-D directly as the pixels will be slightly out of focus at different depths..the “3D Myvu” ought to work if someone was able to sequence the frames from two frame locked cameras into a MC1377, but invert the colours on alternate frames and switch the RGB backlights in time with the frame transitions.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "209593",
"author": "ProfessorDumbass",
"timestamp": "2010-11-08T23:28:25",
"content": "Could you combine this with 2 infra-red cameras? Night-vision…",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,387.05397
|
||
https://hackaday.com/2010/08/24/pet-gaming-computer-module/
|
PET-Gaming Computer Module
|
Jakob Griffith
|
[
"LED Hacks"
] |
[
"cartridge",
"controller",
"display",
"fpga",
"full color",
"led",
"zilog ez80"
] |
This 64×48
full color LED display
goes much further than we expected at first glance. The display is actually a computer with a Zilog eZ80F91 core utilizing an FPGA for the hardware interface. Some nifty applications currently built include mostly games, but there is also visualizations, network file systems, video streaming, and even a MIDI synth.
It originally looked to be more of a console, with controllers, game pads, and cartridges, but the latter ended up not working out. What else would you do with a
giant LED display
?
| 9
| 9
|
[
{
"comment_id": "172871",
"author": "Osgeld",
"timestamp": "2010-08-24T17:21:30",
"content": "“What else would you do with a giant LED display?”dunno, mine just sits on my oscilloscope (though 32×32 is not giant)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172875",
"author": "Todd Grigsby",
"timestamp": "2010-08-24T17:31:18",
"content": "I’d put it in the back window of my car and use it to communicate critiques of my fellow commuters’ driving abilities.I’m actually thinking of building one for that very reason.No, I’m not good at just letting things go… why do you ask?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172884",
"author": "bzroom",
"timestamp": "2010-08-24T17:46:05",
"content": "can’t access the link :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172892",
"author": "HackerK",
"timestamp": "2010-08-24T17:54:34",
"content": "Wow. Nicely done!!! Wonder how much the full color RGB dot matrix LED cost…. it is out of my range.@bzroom, yea, I get an error earlier and just try again and it works the second time…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172898",
"author": "Nomad",
"timestamp": "2010-08-24T18:05:02",
"content": "@Todd Grigsby: Yeah that’s what i’m often thinking while driving around. Especially in one particular situation: Here in Germany, you have to drive on the right lane of the highway, when theres plenty of room or/and you’re driving slow. You’re allowed to change to the other lanes to pass the slower cars. The problem is, people don’t care about it. They are sneaking with about 60mph or less on a lane, where people usually go 70 and faster, blocking said fast drivers. This leads to right-side-passing, which may lead to crashes.And thats why i’d like to have some huge, readable display on the back of my car…just to tell those people, what the fines are for obstructing traffic in such a way :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172919",
"author": "Adrian",
"timestamp": "2010-08-24T19:04:35",
"content": "@Todd Grigsby – I’ve been wanting to do the exact same thing! Just be careful not to display any blue lights, pretty sure that would be “impersonating a police vehice”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172946",
"author": "Erik Johnson",
"timestamp": "2010-08-24T19:59:16",
"content": "@Todd Grigsby me, too. I’d been thinking of either pre-forming words with EL wire (“BACK OFF” “FUDGE OFF”, etc) or a see-thru LED panel with a button board for selecting scrolled messages",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173002",
"author": "java",
"timestamp": "2010-08-24T23:00:56",
"content": "would love one to use as a back light upgrade for lcd tv sweet pop it behind the screen and split the video feed one the the led board and one for the lcd screen sorted a diy led lit tv mmmmmmmmmmm true black",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173068",
"author": "Spork",
"timestamp": "2010-08-25T06:00:17",
"content": "Did anyone else read this and get excited about Positron Emission Tomography? As in PET imaging.I was very disappointed to see that the article had nothing to do with it.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.992448
|
||
https://hackaday.com/2010/08/24/top-5-integrated-development-environments/
|
Top 5 Integrated Development Environments
|
Greg R. Jacobs
|
[
"Software Development"
] |
[
"dev",
"development",
"platform"
] |
So, you want to do some programming but don’t have the budget of a major corporation? This is just the thing for you because all of these development environments are free of charge! Many Integrated Development Environments are marketed towards companies who have money to pay for such expensive environments. Here are the Top 5 Integrated Development Environments that are most widely used and recognized. Some will be used when programming past and future tutorials. The following are listed in no particular order and all make an excellent development environment.
There are alot more IDE’s out there that were not mentioned but should have been. We have posed the question at Hack A Day Answers
“What are your Top 5 IDE’s?”
Give us some feedback and we will be back with a revised list from the comments you give us!
Visual Studio Express
Visual Studio has an advantage when it comes to programming. This IDE is mostly used by corporate programmers to produce .NET code. Sometimes people want to try the product without investing thousands of dollars first, so Microsoft has the Express editions for all of their products. This makes it perfect for casual users that want to hack out some code as a hobby or programmers who need a free solution to code in C#. Be warned though, if the application developed by someone using the express versions of Visual Studio takes off and starts making money it would not be surprising to see big brother step in and start asking questions.
Advantages
Intellisense
For those who don’t know what Intellisense is, here is a brief overview. Intellisense is Microsoft’s way to make programming in .NET as painless as possible. When you start programming in Visual Studios IDE you will notice a suggestion box will appear when you start typing anything within the IDE, this is to notify the user what methods and functions are available (R.I.P. Clippy). When clicking on one of the methods in the suggestion box the environment will tell you exactly what the method will do and how many and what parameters are needed. The ability to make decisions on what functions and methods to use based on intellisense is a powerful feature that many would find useful, if not life changing.
Automatic code formatting
With a product like Visual Studio you get what you pay for. When you start coding a method and go to enter the “{“ brackets, the code inside those brackets will actually indent to the right. A very handy feature for a code monkey who is just looking to get the program done. As well, there are options to enhance the colors to see variables as a different color than a method header which is very useful when going through hundreds of lines of code to find a bug. Both these things may be minute details but in the end are designed to save the developer time and money.
Extensibility
Something that you don’t like about Visual Studio? Code a new tool for it or use one of the many available to the developers using Visual Studio Gallery. This site is a wealth of fixes for things that developers didn’t like with Visual Studio and decided to fix.
Compiles Code
Cons
CPU Hog
When running Visual Studio it is a must that you have plenty of RAM to spare. This is a beast when it comes to developing apps and for good reason. If you take the plunge and sacrifice RAM to run this IDE you are equipped with one of the most comprehensive GUI’s (once you learn to navigate it) for developing in the .NET framework.
Overwhelming GUI
If you have never used Visual Studio before, then you are in for a surprise. When first starting it up, the layout of buttons and panes can be a little/very confusing at first. This will take time to adjust, so the downfall is there is a steep learning curve with the layout.
Cost
With the 2008 Professional edition of Visual Studio costing a thousand dollars (without MSDN subscription) and upwards if you are looking for additional features and subscriptions. This can be a real turn off for the hobbyists but that’s where the express versions will become redeeming.
Eclipse
This is the best alternative if you are not a big fan of Microsoft’s Visual Studio. The interface is a lot cleaner and concise than Visual Studio and the languages that are possible to use extend past the .Net Framework. Besides being the number on way to develop Android applications via the Android SDK, it is fully extensible to use languages such as Ruby, C, C++ and many many more.
Advantages
Language Extensibility
The languages mentioned above are not limited by Microsoft and anyone is free to develop plug-ins for different languages and to make the development environment easier to use. Also, the ability to use this on Linux is a great sway for many people who don’t like to be bound by Microsoft’s operating systems and like full control of their OS.
Free
Besides being fully customizable and extensible, the next best thing about eclipse is it’s free. This is good news for hobbyists and casual programmers wanting to just hack out some code in their free time.
Compiles Code
Cons
Steep Learning Curve
With so much available to upgrade and add on, the learning curve of eclipse will be quite steep. The best way to get past this is to just try coding something. Making mistakes when coding could never be so beneficial. Once you start learning from your mistakes you will learn the fastest way to accomplish what you are trying to do.
Netbeans
The is the number one alternative to Eclipse. This program is extensible and free, and it compiles code which is a bonus. When installing Netbeans it comes with a Java server called GlassFish that you could deploy on your computer for your testing environment. This server is the second biggest server for Java next to WebSphere (which is a whole different ball game).
Advantages
Extensible
Again, extensibility is a must have for the development environments out there to survive. Instead of having multiple programs for multiple different languages combining them into one program gains recognition from developers and the software programs that combine it all but the kitchen sink are utilized more often because of the simplicity and ease of access to the languages developers want.
Compiles Code
Free
Cons
Bloated
While using this program you may notice that your computer slows down, throws errors in your program that you didn’t know existed etc. This is a tough software program to master and when coding you have to be careful to dot the I’s and cross your T’s. This may not be the case for you and Netbeans might be all sunshine and rainbows but it is always best to be safe, rather than sorry later on when you have hundreds of projects.
kate
Kate is exactly how the website describes it, a text editor. Not to be looked down upon as it does a lot more than a regular text edit can do and that is what makes this an indispensable product.
Advantages
Uses Linux
Code Folding
This is probably one of the best features for kate. [Mike Szczys] explains that there is a small column to the left of the code. Any line that is an opening bracket that column will have an arrow next to it. If you click the arrow it will fold all of the code between the opening and closing brackets. Very useful for large source packages.
Cons
KDE Overhead
250 Mb of overhead just to use the application. This is not just one package but several packages that are required to be on the system just to start the application. This may not be the best choice if you are using a net-book for development purposes on the go but if you have a Linux box at home this would do just fine.
Doesn’t Compile Code
gedit
gedit is the official editor of the gnome desktop and comes installed once the system is setup. Very useful for the user that is casually editing code and not undertaking major projects. This would be a good companion to Netbeans or Eclipse.
Advantages
Uses Linux
Already Installed on gnome systems
This is a major bonus for Linux users. If the application is already installed on the system would you be more likely to use it? Either way, if you don’t have to hunt down a program from the software manager then it must be
Code Highlighting
gedit offers the ability to highlight your code and figure out where the bugs are by giving you a fresh perspective. This can also be used for web development, to help developers see where the start of nodes are and where to submit the end nodes, doing this could cut down drastically on XHTML issues. While it may not do almost everything like Netbeans or eclipse, it is a handy tool to have on the computer.
Tabbed
This feature allows multiple source packages open at once to jump back and forth between if need be. This is a highly useful when comparing documents and debugging code.
Cons
Doesn’t Compile Code
All of the development environments are amazing choices. It all depends on what you want to do when programming and the tools you would like to have available. Microsoft Visual Studio express editions came in first because of the extensibility and comprehensiveness of the product. This provides eclipse, netbeans and other development software a goal to reach for when marketing to the masses. Remember, it’s not the size of the install it’s how you use it. Until next time, Happy Hacking!
| 185
| 50
|
[
{
"comment_id": "172764",
"author": "GZPhreak",
"timestamp": "2010-08-24T14:37:25",
"content": "gedit? How abouthttp://www.codeblocks.org/?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172765",
"author": "Franklyn",
"timestamp": "2010-08-24T14:38:23",
"content": "Eclipse is extremely extensible , a lot of engineering companies out there adopt it for this purpose as they can fully customize it to their pipeline. I would definitely recommend anyone who is in this industry to pickup eclipse development.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172766",
"author": "guieut",
"timestamp": "2010-08-24T14:40:11",
"content": "What about QtCreator ? It is free and opensource, have integrated debugging, code highlightning, code folding, bookmarks, offer compilation…The auto-completion is very powerful.It’s a great IDE when working with C++, even if you’re not using Qt.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172767",
"author": "Z",
"timestamp": "2010-08-24T14:42:16",
"content": "hmm i can think of alot betters ones1) Notepad++2) PHPed3) VIM4) nano",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "1065191",
"author": "Mike Vasiljevs",
"timestamp": "2013-09-25T16:38:15",
"content": "vim and friends, hm… yes, but unless you are working on a project with over 3k of code, its a “perfect” IDE!!! :p",
"parent_id": "172767",
"depth": 2,
"replies": []
},
{
"comment_id": "1492822",
"author": "A",
"timestamp": "2014-05-22T05:39:59",
"content": "They are text editors, not IDEs..",
"parent_id": "172767",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "172768",
"author": "Jesus Mary and Joseph",
"timestamp": "2010-08-24T14:42:41",
"content": "What about VIM?!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172769",
"author": "Z",
"timestamp": "2010-08-24T14:43:33",
"content": "OH yeah dont forget about:QT and zend studios",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172770",
"author": "cheeseontoast",
"timestamp": "2010-08-24T14:45:42",
"content": "If your using linux, geany is excellent.http://www.geany.org/Think it only needs gtk2.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172771",
"author": "osgeld",
"timestamp": "2010-08-24T14:46:01",
"content": "since were including text editors in this list of ide’s notepad++",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172772",
"author": "Bernard Kerckenaere",
"timestamp": "2010-08-24T14:47:59",
"content": "I code Python and X++ professionally. For Python I only use Vim, and for X++ I’m pretty much bound to Dynamics.Vim will do all (and more) that Kate does, and once you get the hang of keyboard navigation and control, you’ll never want to use a mouse-based IDE again!Off course the learning curve is probably one of the steepest around…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172773",
"author": "MystBoy",
"timestamp": "2010-08-24T14:48:03",
"content": "Hey you forgot my favourite!Programmer’s Notepad..http://www.pnotepad.org/it’ simple and works perfecti use it every wherewebdevelopement-html-php-cssMicrocontrlooers-C-asmNintendo DS homebrew-C-C++i love it and it’s FREE",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172774",
"author": "nes",
"timestamp": "2010-08-24T14:48:20",
"content": "How about Emacs? That’s very extensible and works with just about every language ever (and will function as a front end for the GDB debugger, unlike gedit).",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "1225500",
"author": "lolnope",
"timestamp": "2014-02-26T21:28:01",
"content": "Emacs is a great Operating System!! It only lacks a decent text editor :(",
"parent_id": "172774",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "172775",
"author": "chango",
"timestamp": "2010-08-24T14:48:33",
"content": "It’s been 15 minutes and nobody’s mentioned vim or emacs?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172776",
"author": "Sprite_tm",
"timestamp": "2010-08-24T14:48:38",
"content": "Hmm, the geditkate-comparison isn’t completely fair: both rely on the libraries of their respective desktop environments. I just tried installing both on my barebones Debian Linux-server without any installed graphical stuff: when I try to install Kate apt-get tells me it would set me back 110M, if I were to install GEdit, it’d eat a chunk of 153M out of my hard disk space. On a desktop system: if you run Ubuntu, gedit probably is only a few megs, conversely an install of Kate on Kubuntu would only eat away a few megs too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172778",
"author": "AndrewNeo",
"timestamp": "2010-08-24T14:49:41",
"content": "Not having (real) Intellisense in other editors is something I miss badly compared to Visual Studio. Eclipse isn’t terrible (it has it’s problems, though) but Xcode is horrendous.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172780",
"author": "donovan",
"timestamp": "2010-08-24T14:50:55",
"content": "other good ones I’ve used:jedit (FREE, multiplatform –http://jedit.org/)textmate (NOT FREE, mac only –http://macromates.com/)notepad++ (FREE, windows only –http://notepad-plus-plus.org/)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172781",
"author": "Reaper",
"timestamp": "2010-08-24T14:51:14",
"content": "Programmer’s Notepad (for windows) anyone?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172782",
"author": "Ulrich",
"timestamp": "2010-08-24T14:52:10",
"content": "What about:http://www.kdevelop.org/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172783",
"author": "zz",
"timestamp": "2010-08-24T14:52:29",
"content": "hmm.. Gedit advantage: kate offers the ability to highlight your codeWhere in the copy-paste chain is the error?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172785",
"author": "cherry",
"timestamp": "2010-08-24T14:54:09",
"content": "I agree with GZPhreak, codeblocks should have been mentioned. It’s very powerful but also “just works”. Another one especially for C/C++ developers ishttp://www.codelite.org/.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172786",
"author": "prdelka",
"timestamp": "2010-08-24T14:56:39",
"content": "Woah! What about XCode?!? It’s one of the best IDE’s I have ever used in my life and is completely free of charge.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172787",
"author": "anders",
"timestamp": "2010-08-24T14:57:47",
"content": "mee too:http://www.geany.org/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172788",
"author": "Carson McDonald",
"timestamp": "2010-08-24T14:59:53",
"content": "This seems like an odd top 5 of IDEs. Replace gedit and kate with IntelliJ IDEA and Xcode then you probably have a list. And if you haven’t seen the preview version of Xcode check it out they have improved it a lot.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172789",
"author": "nave.notnilc",
"timestamp": "2010-08-24T15:00:35",
"content": "gedit is pretty nice, and is also extensible, there’re tons of plugins:http://live.gnome.org/Gedit/Pluginsfor compiling code or stuff, check outhttp://sourceforge.net/projects/geditbuilderplg/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172790",
"author": "Alex",
"timestamp": "2010-08-24T15:02:23",
"content": "True, geany also its a excellent choice… And compiles code ;-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172791",
"author": "Chris",
"timestamp": "2010-08-24T15:02:47",
"content": "Textpad? Context highlighting, able to integrate a compiler and launch it with a keystroke (by default Java, but it is configurable). Lacks code completion though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172792",
"author": "Labrigger",
"timestamp": "2010-08-24T15:03:00",
"content": "Nice profile. What measurement was used to determine the top 5? Regardless, I’d also mention Xcode for the OSX users and KDevelop for KDE. Visual Studio gets my vote though. I’d happily switch to another IDE, but MS is way out in front of everyone else in the full-featured IDE game. For some things, Eclipse comes close.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172793",
"author": "Alex",
"timestamp": "2010-08-24T15:03:50",
"content": "On Windows, Visual Studio and even the Express Editions in my opinion is the best IDE I have used. And I’m not talking about versatility of programming languages where Eclipse is certainly ahead. Since Visual Studio 2005, the MS VS user interface feels just smooth and productive.Also, Express Editions actually can be used for commercial projects, as written in the FAQ athttp://www.microsoft.com/express/support/support-faq.aspx",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172794",
"author": "endikos",
"timestamp": "2010-08-24T15:03:56",
"content": "Netbeans was my environment of choice. Especially with its excellent support of PHP, Ruby, and Rails. However, now that Sun has been absorbed into Oracle, I’m reevaluating IDEs, as I can’t be sure of Oracle’s commitment to making sure netbeans stays available, even as open source. They’ve already managed to cripple OpenSolaris, I’m worried about netbeans specifically, and Java in General.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172795",
"author": "chango",
"timestamp": "2010-08-24T15:05:05",
"content": "@nes Thank you.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172797",
"author": "Chris Sutcliff",
"timestamp": "2010-08-24T15:06:34",
"content": "Notepad++ gets my vote",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172798",
"author": "Ben Ryves",
"timestamp": "2010-08-24T15:10:44",
"content": "Microsoft have said that Visual Studio Express is free for commercial use, so I wouldn’t be worried about “big brother”. Visual Studio 2010 is an absolute resource hog, sadly (possibly due to the new WPF user interface) in comparison to Visual Studio 2008. It’s a shame C# 4 is so nice else I’d be back to 2008 in a shot. :-( It may also be worth bearing in mind that the Express editions do not support add-ins.I find Programmer’s Notepad is a great text editor for Windows, and is very easy to customise to integrate third-party tools. It uses Scintilla, which is the same text editor component used by Notepad++ (which I personally find to have an abominable UI).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172800",
"author": "Fragasaurus",
"timestamp": "2010-08-24T15:12:06",
"content": "Where the hell is (g)vim? Best editor/IDE ever.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172801",
"author": "macpod",
"timestamp": "2010-08-24T15:12:26",
"content": "Why is Gedit put in a list of top IDEs? It is a good text editor, but not an IDE. Same goes for Kate.Also, why is Xcode not mentioned?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172805",
"author": "Yargh",
"timestamp": "2010-08-24T15:15:37",
"content": "*sigh* In addition to only being available on windows, under a proprietary license, you have to go through a lot of hoops to program anything low-level in visual studio.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172806",
"author": "Whoever",
"timestamp": "2010-08-24T15:16:06",
"content": "Anjuta with the Scintilla engine.I tried many IDEs, but this is just the best I could find for Linux (GTK but non-Gnome environment). There are a couple listed here I haven’t tried though, will do when I have time.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172808",
"author": "archeleus",
"timestamp": "2010-08-24T15:17:46",
"content": "In my opinion, eclipse. I’ve been using it for a long time and I’ve extended it to support python, ruby, php, web and all that. Eclipse is unbeaten if you are a java programmer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172809",
"author": "das_coach",
"timestamp": "2010-08-24T15:18:11",
"content": "for object-pascal lazarus=)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172810",
"author": "Antonio",
"timestamp": "2010-08-24T15:24:40",
"content": "I understand a list with Visual Studio, Eclipse and Netbeans on it, but Kate and gedit are “just” advanced editors and are not full IDEs.For an IDE on the KDE part, you can take a look at KDevelop as someone else already pointed out.For the Gnome part, I think you have Anjuta and maybe some more.QtCreator is also a nice C++ IDE since it’s cross-platform and doesn’t depend on KDE or Gnome.Finally, as for the advantages and cons of Kate and gedit, it depends on what you’re using. Not everyone uses Gnome on Linux ;P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172811",
"author": "Bob",
"timestamp": "2010-08-24T15:26:25",
"content": "Gosh, Microchip’s MPLAB IDE isn’t on the list. What a surprise.Maybe Microchip should take the hint.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172812",
"author": "Mich",
"timestamp": "2010-08-24T15:28:28",
"content": "I had never heard about Kate, I’ve been using gedit for a while, but I missed quite a lot in in.I’m now checking out Kate, and I must say I’m impressed with it so far. Looks like my webdev work is about to get more pleasurable.THANKS HaD!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172813",
"author": "kevin",
"timestamp": "2010-08-24T15:28:37",
"content": "The major downside of Kate – installing the KDE libs – isn’t so bad when you consider that you’re going to install those libs anyway to run Amarok and K3B.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172814",
"author": "Gabriel Crowe",
"timestamp": "2010-08-24T15:28:58",
"content": "For OSX people, I like coda:http://www.panic.com/coda/Its my daily app for editing pretty much every site i work on.I used to usehttp://macromates.com/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172815",
"author": "Hugo",
"timestamp": "2010-08-24T15:29:46",
"content": "I can’t believe Xcode hasn’t been mentioned!! Sure it’s Mac-only but it is *superb*.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172816",
"author": "Napalm",
"timestamp": "2010-08-24T15:30:37",
"content": "I like Programmers Notepad.. but it just doesn’t have the customization of Scite.http://www.scintilla.org/SciTE.html:)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172818",
"author": "dhinkle9",
"timestamp": "2010-08-24T15:34:26",
"content": "I appreciate the article, but I think you seriously missed some major ones. Gedit and Kate are fine and great, I’m not knocking them, I use them a ton, but as far as full featured IDE’s go, what about things like Geany, QT, and others that are way ahead of the programmer esque editors mentioned.Also, please don’t tell me the order associated with each entry actually has meaning? I know visual studio is…well, there and Microsoft-made and all…but who actually uses that anymore for more then just for video games?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172821",
"author": "DB",
"timestamp": "2010-08-24T15:39:14",
"content": "No (g)vim/emacs love? None?Although I’ve never got the hang of emacs, I must add my vote for vim.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172822",
"author": "darkore",
"timestamp": "2010-08-24T15:41:27",
"content": "Are you kidding me ?! You mention Visual Studio to be a “CPU Hog”, yet you don’t say nothing about this for Eclipse ?! Dude. What’s wrong with you? Not to mention that under “CPU Hog” you actually comaplain about memory requirements, not CPU.VIM FTW.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172825",
"author": "Scott",
"timestamp": "2010-08-24T15:48:38",
"content": "Seriously?1) Obligatory “not a hack”2) Ignoring 1, it isn’t even a top 5 of IDE’s, their are two text editors in the mix which are not in any way IDE’s.I mean I appreciate the effort, but if you’re going to put something up that isn’t a hack at least make it a good article. This isn’t.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172826",
"author": "Panikos",
"timestamp": "2010-08-24T15:56:34",
"content": "+1 for vim (or emacs). properly setup they can deliver anything any IDE on this list can including Intellisense like behaviour. (admittedly it takes ages to set them up like that)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172828",
"author": "Olek",
"timestamp": "2010-08-24T15:57:35",
"content": "For me, the greatest is Code::Blocks. It’s cross-platform, relatively light and very universal. My favorite for writing for ARMs and AVRs.http://www.codeblocks.orgWhen it comes to good text editor, you should also consider using PSPad. Really powerful thing, consists even hex-editor. Similar to gedit from my perspective.http://www.pspad.comAnd for programming .NET platform, SharpDevelop is a must-have.http://www.icsharpcode.net/opensource/sd/",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,386.948676
|
||
https://hackaday.com/2010/08/24/attiny2313-prime-number-generator/
|
ATtiny2313 Prime Number Generator
|
Mike Szczys
|
[
"Microcontrollers"
] |
[
"attiny2313",
"AVR",
"generator",
"led",
"matrix",
"prime number"
] |
[Scott Harden’s]
prime number generator
exhibits a great way to use an LED matrix to present readable information. The project resides in a hinged wooden box with a grid of holes on the lid for the LEDs. [Scott] has overlaid the matrix with a printout showing powers of two that represent different prime numbers. Inside you’ll find an ATtiny2313 microcontroller that handles the column scanning and prime number testing. We’ve embedded a video the break where [Scott] explains the project in great detail, but you should also check out his
prototyping
and
construction
pages.
[youtube=http://www.youtube.com/watch?v=k4Req0I7lbY]
| 9
| 9
|
[
{
"comment_id": "172755",
"author": "ColinB",
"timestamp": "2010-08-24T13:26:34",
"content": "It’s weird that the photo has 2**13 twice but the video has 2**23 in the right spot.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172758",
"author": "ColinB",
"timestamp": "2010-08-24T13:27:34",
"content": "Huh, actually there are other problems with the photo as well! It starts at 2**1, for starters, instead of 2**0.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172777",
"author": "HackerK",
"timestamp": "2010-08-24T14:49:40",
"content": "Kinda useless but I *do* like this project. Very geeky!Nicely done… ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172779",
"author": "HackerK",
"timestamp": "2010-08-24T14:50:27",
"content": "Oh next, is someone up for calculating the value of Pi using a PIC? :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172796",
"author": "ehrichweiss",
"timestamp": "2010-08-24T15:05:20",
"content": "Fellas…regarding the double 12/13’s…he ran out of 2’s it seems…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172827",
"author": "Scott",
"timestamp": "2010-08-24T15:56:42",
"content": "Yeah, I screwed-up the first print (forgot 2^0 and have a misplaced 2^13) and re-printed it correctly before I shot the video. The code is the same obviously!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172866",
"author": "SparkyGSX",
"timestamp": "2010-08-24T17:10:48",
"content": "The code to find the next prime is horribly inefficient. Ofcourse, the AVR is rather memory-challenged, so a high efficient number sieve probably isn’t possible.A few suggestions to speed it up:– calculate the square root of the current number to be tested, instead of squaring the divisor every cycle– keep track of some prime numbers in the available memory, so the intermediate numbers don’t have to be tested. Keeping the first X primes probably won’t help much, because the frequency of primes if much higher in the small number range, which means you effectively don’t skip many intermediate numbers. Keeping the last X discovered primes won’t do much good either, because most of the time, you won’t get that far before discovering a number isn’t a prime. Deciding which list to keep, if the space is very limited, is a bit of a challenge. Anyway, you could try to take advantage of the fact that any non-prime greater than 2 is dividable by a prime, so it would be best not to try non-primes as divisors, if possible.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172958",
"author": "Scott",
"timestamp": "2010-08-24T21:01:00",
"content": "I’m a dental student, not an engineer or mathematician. Take my projects with a grain of salt and appreciate them for their educational value!@SparkyGSX There’s no reason to make it run quickly. It’s a novelty, nothing more. I don’t think anyone expects this to rival supercomputers.At the same time, the most effective algorithm I’ve come across to do this with limited memory is based upon “sieves using binary quadratic forms”, well-documented onhttp://cr.yp.to/papers/primesieves.pdfand it calculates MILLIONS of prime numbers every second on a standard PC. It’s what I used to calculate the first trillion prime numbers (2^15) on a SheevaPlug plug computer (it took a little less than a year to reach the trillion mark).Right now it says that the 1,063,620,000,000’th prime number is 31,972,536,554,401. Ironically enough, there’s no way to check it online. The databasehttp://primes.utm.edu/nthprime/index.phpstops at 1 trillion, but it was accurate up to that point so I don’t doubt it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173056",
"author": "amk",
"timestamp": "2010-08-25T04:52:47",
"content": "Neat project Scott. I think we share a passion, finding weird things to do with prime numbers. I’ve spent the last 15 or so years coming up with weird ways to represent prime numbers, or more accurately the distribution of primes, in physical ways. There’s something therapeutic about it.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,387.198954
|
||
https://hackaday.com/2010/08/24/surgical-microscope-gets-led-retrofit/
|
Surgical Microscope Gets LED Retrofit
|
Mike Szczys
|
[
"Tool Hacks"
] |
[
"bulb",
"led",
"microscope",
"replacement",
"retrofit",
"surgical"
] |
[Roberto Barrios] picked up a surgical microscope to add to those other fun lab toys you seen in the background. These work very well when soldering small components because they don’t have to be as close to the viewed objects as traditional microscopes. But [Robert] didn’t care for the heat generated by the incandescent bulb so
he build his own LED replacement
. If you recognize his name it’s because we saw
a beautifully crafted in-visor GPS system
that he built back in April. This project exhibits the same level of craftsmanship in which he utilized the base of a spare bulb to add an LED, heat sink, and driver board that is adjustable on all three axes.
He also mentioned that he overhauled his site design and it now plays nicely with all browsers.
| 16
| 16
|
[
{
"comment_id": "172733",
"author": "Jake",
"timestamp": "2010-08-24T11:59:07",
"content": "I have to ask, what surface mount component requires a surgical microscope to solder!?The only time I’ve used the microscope at work was when I had to tack ~40 guage mag wire to the ribbon cable traces that led to the touch screen on an iPhone. Anything else, my colleagues and I can solder with glasses off, or with a standard desktop magnifier…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172739",
"author": "Quintin",
"timestamp": "2010-08-24T12:11:05",
"content": "I’ve been looking for a microscope like that for a while, now.. Even the cheapest ones I’ve found are much too expensive for hobby-use. I’ll have to get by with my watchmaker-loupes.Very cool setup, though! I only get as far as a scope, a multimeter and a soldering station…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172757",
"author": "steeve",
"timestamp": "2010-08-24T13:27:10",
"content": "I did the same in our lab with a 5 Watt white LED. Worls well and is brighter than 20 W halogen, which it had originally. Important for this is however, that the chip of the LED is big enough to fill the area of the filament. If it is too small, the field will be uneven, if it’s too big (for 20 W LED say) the brightness goes to waste.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172759",
"author": "archeleus",
"timestamp": "2010-08-24T13:28:48",
"content": "Cool. But I don’t think I’ll need a microsoft to solder anytime soon.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172760",
"author": "archeleus",
"timestamp": "2010-08-24T13:29:13",
"content": "Typo*scopefucking microsoft",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172762",
"author": "pk386",
"timestamp": "2010-08-24T13:50:51",
"content": "I have lab envy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172817",
"author": "fjr",
"timestamp": "2010-08-24T15:31:38",
"content": "I want some more pics of his workshop. It looks fantastic (from the one picture).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172864",
"author": "rallen71366",
"timestamp": "2010-08-24T17:06:45",
"content": "Nice. I’ve had to solder under X30 microscopes before (Avionics Devices). Wish I’d had access to this, it can be difficult to fit the tip of a Metcal under the optics.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172872",
"author": "Anon",
"timestamp": "2010-08-24T17:24:26",
"content": "@archeleusOkay I got no idea on how you made that mistake but I’m loling so hard right now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172880",
"author": "Sanchoooo",
"timestamp": "2010-08-24T17:38:15",
"content": "Holy Cow.. That’s an $8k ebay’d microscope.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172883",
"author": "Terry",
"timestamp": "2010-08-24T17:42:54",
"content": "What’s that perforated metal angle material called? I’d like to build a benchtop setup like this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172924",
"author": "bilbao bob",
"timestamp": "2010-08-24T19:14:05",
"content": "@JAKE – the guy who wondered why someone would need a microscope to do SMC work…For most adults starting some time around 40, the opening of the eye that the lens attaches to has grown so large that the muscles (which are slowly decaying) no longer have the ability to hold a close focus at distances of less than 18″.For a guy who used to be able to see defects in the plating on SOTC packages, it came as quite a shocker that over the course of six months or so I could no longer hold something up to my face and see the hairline cracks in a pcb trace, and later to be unable to read trade paperbacks at certain times of day. I think it was happening before that, but I hadn’t done any PCB work in a year or two. I freaked.It turned out that my near sight vision had been 10 instead of 20, and going to 20/20 felt like going blind. But the loss of focus at close range was worse than anything else. It also turns out that it affects almost everyone eventually.Mentally, I still see myself as 27 (and sometimes 19, which is always good for a laugh when hitting on a 20 something hottie) but now as I approach double that age, I am amazed at how many things I knew about but ignored are becoming issues.Word of advice to my fellow can-do guys swilling gallons of pop and spending more time with skinny (or fat) ass-in-chair than anyone else they know: Your joints require regular impact to stay healthy. It turns out that unless you apply pressure to them frequently, the membranes that are used to act as shock-absorbers get clogged. Over time, they will stop fixing themselves and atrophy. You will regret this, and since no one ever told me this, I had no idea it was coming.Seriously – walk around the block (or farther, if you care about your heart continuing to work) twice a day. It will keep those joints from turning into crappy noisemakers.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172943",
"author": "macona",
"timestamp": "2010-08-24T19:38:29",
"content": "It looks like the scope he has there is a Zeiss OPMI 1. They sell used for over $1000. I have one that was pulled of a LASIK machines. Very nice scope if you can find one. Mine uses fiber though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172980",
"author": "nthcircle",
"timestamp": "2010-08-24T22:16:42",
"content": "A microscope is handy for working on 0201 and 01005 components.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173009",
"author": "EquinoXe",
"timestamp": "2010-08-24T23:21:19",
"content": "A (stereo-zoom) microscope is worth every penny.Found an immaculate 1975’s Reichert Stereo Star Zoom (0.7-4.2) 570 recently with 10xWF & 15xWF oculars (with reticle).It zooms nicely from 7-42x or 10.5-63x depending oculars (and it is upgradeable with a Barlow lens for a higher mag.)Working with it is great, the details you can see are amazing.The best thing: real stereo view! Which is great for tool handling.(now, where is that wedge-bonder with affordable shipping fees ;) )",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "1161381",
"author": "retroDIODE",
"timestamp": "2014-01-12T05:12:31",
"content": "Agreed with the need you update your scope with a LED retrofit. More people are doing this all the time as bulbs are vanishing from the market. I did this for myself and friends with scopes. Then I figured a way to produce them for a small market. I have LED retrofit kits for Zeiss, Leitz, Wild, Nikon, Olympus, & Reichert. Visit us at retrodiode.com and see if we can help you especially if you are not going to take on the task of designing your own retrofit.CheersretroDIODE",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,387.250681
|
||
https://hackaday.com/2010/08/23/wifi-controlled-arduino-bot/
|
WiFi Controlled Arduino-bot
|
Mike Szczys
|
[
"Arduino Hacks",
"Robots Hacks"
] |
[
"asynclabs",
"range finder",
"servo",
"wishield"
] |
This little robot
was built very quickly thanks to the rapid prototyping capabilities of the Arduino. It uses a
WiShield 1.0 from AsyncLabs
to connect to a wireless network for control via a TCP connection. The body and wheels are wood, with a servo for each motor and a third used to scan a range finder from side to side. We’ve embedded a triad of demo videos after the break that take you through the various feature development of this platform. You’ll see control via
a hacked Zipit
, as well as joystick control. There’s also a couple of stages of autonomous movement where the distance information comes into play.
Zipit control:
[youtube=http://www.youtube.com/watch?v=BSYBrEvtsis]
Improved autonomy:
[youtube=http://www.youtube.com/watch?v=q_qXa6eLjSs]
Joystick control:
[youtube=http://www.youtube.com/watch?v=65u9FBEoGVE]
| 9
| 9
|
[
{
"comment_id": "172548",
"author": "Killer346",
"timestamp": "2010-08-23T19:08:01",
"content": "Pretty interesting little bot. Should have a camera or something on it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172567",
"author": "dhinkle9",
"timestamp": "2010-08-23T20:00:56",
"content": "I’m curious about why they chose two wheels and if their choice leads to problems on some terrains..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172607",
"author": "Navic",
"timestamp": "2010-08-23T21:38:55",
"content": "The wheels do present a problem in thick carpet, but not bad everywhere else. There are rubber bands glued to each wheel for traction.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172616",
"author": "janet9195",
"timestamp": "2010-08-23T22:26:23",
"content": "Awesome little robot! Very cool.hamsterdreams",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172626",
"author": "strider_mt2k",
"timestamp": "2010-08-24T00:11:31",
"content": "Wow!Well done!I love it when several hacks come together.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172708",
"author": "Funky Gibbon",
"timestamp": "2010-08-24T07:58:48",
"content": "Is that a force feedback joystick? why not use the feature? maybe attach Wii Motion+ to robot then the bumps can be felt in the joystick",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172970",
"author": "VSnakeByteV",
"timestamp": "2010-08-24T21:39:35",
"content": "WoW! Thats really kewl Navic! I’ll have to send you some neat “parts” I found layin around & Build that guy a shell.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173029",
"author": "ExpertZ",
"timestamp": "2010-08-25T01:16:22",
"content": "I really love it!! cool dude",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "657285",
"author": "wira",
"timestamp": "2012-05-23T05:50:50",
"content": "Really cool… :) how about using xbee, it is possible?have u used?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,387.3658
|
||
https://hackaday.com/2010/08/23/profit-less-space-program-launches-in-one-week/
|
Profit-less Space Program Launches In One Week
|
Mike Szczys
|
[
"News"
] |
[
"copenhagen suborbital",
"launch",
"rocket",
"space",
"submarine"
] |
The
Copenhagen Suborbitals
are now within one week of their first launch. We looked in on
the non-profit and non-secretive space program
back in March but we had no idea the group had a frickin’ submarine at their disposal. What you see above is the rocket on its floating launch platform. The submarine will haul it out into the Baltic Sea for launch. There’s not much room in the craft for an astronaut but it will be a horrifying an exhilarating flight. According to
the spacecraft page
the human payload will be in a half-sitting, half-standing position looking up through an acrylic nose dome. This first launch will not be manned, but once they get through the tests this will be one crazy ride.
| 40
| 40
|
[
{
"comment_id": "172524",
"author": "parag0n",
"timestamp": "2010-08-23T17:59:18",
"content": "That submarine?They built that too. See the thread on it athttp://forums.somethingawful.com/showthread.php?threadid=3005279",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172527",
"author": "Henrik Pedersen",
"timestamp": "2010-08-23T18:06:31",
"content": "Haha wtf they are Danes… We are still as crazy as we used to be ! xDAnyway, it’s a nice program, and i’m looking forward to it. In fact i think it’s the first rocket lift of in denmark….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172534",
"author": "Davse",
"timestamp": "2010-08-23T18:18:56",
"content": "One of the rocket masters (Peter Madsen) have actully been the creator behind 3 submarines, including the one on the picture.Try google for peter madsen and his submarines freja, kraka and nautilus",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172539",
"author": "asdasd",
"timestamp": "2010-08-23T18:32:30",
"content": "a frickin’ fucing submarine!!!that’s awesome!!!i want one myself now!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172544",
"author": "Navic",
"timestamp": "2010-08-23T18:50:55",
"content": "These guys are making amazing progress!! I can’t wait for the stats after this test flight. Also wondering how the half-sitting half-standing is going to feel on the ride – hopefully they’ll make it to a manned flight soon!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172545",
"author": "RobThePyro",
"timestamp": "2010-08-23T18:59:46",
"content": "OMG I volunteer to be the test pilot! :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172546",
"author": "Polymath",
"timestamp": "2010-08-23T19:03:01",
"content": "While the rocket is impressive in and of itself am I the only one that’s a little concerned that they’re developing rocket and submarine technology at the same time?Still, props on both the rocket and the sub!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172549",
"author": "Davse",
"timestamp": "2010-08-23T19:08:19",
"content": "They are not developing in the same time.. First the subs, afterwards the rocket.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172552",
"author": "Mike",
"timestamp": "2010-08-23T19:23:49",
"content": "Blasting off straight up is old school and dangerous. They should take notes from SpaceShipOne",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172558",
"author": "unsupported",
"timestamp": "2010-08-23T19:46:42",
"content": "I’m not judgin’, I’m just sayin’… but why develop the sub in the first place? Just get a boat to move the platform to sea.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172559",
"author": "Tech B.",
"timestamp": "2010-08-23T19:47:52",
"content": "Yeah, I hope there are more than one test flights before a maned takeoff. I wouldn’t wont to be the one to tell some family that I blew up there son with a rocket I built.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172563",
"author": "blolefromohio",
"timestamp": "2010-08-23T19:53:59",
"content": "The sub might have been a good teaching exercise in life support. I have not been this excited about a project pretty much ever.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172565",
"author": "David",
"timestamp": "2010-08-23T19:54:19",
"content": "They are making amazing progress, I just hope they’re a success. They could make a fortune selling “tickets” if they can prove its safety.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172581",
"author": "Dwarf Hostel",
"timestamp": "2010-08-23T20:19:43",
"content": "The things spy comedy fans won’t do for a new set piece. ‘Used sub/aerodrome space….’",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172585",
"author": "llamasandwitch",
"timestamp": "2010-08-23T20:29:11",
"content": "reading more into it the launch will be with a crash test dummy. They are probably checking the g forces.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172586",
"author": "Wes",
"timestamp": "2010-08-23T20:41:05",
"content": "“but why develop the sub in the first place? Just get a boat to move the platform to sea.”They didn’t build the sub for the purpose of towing the rocket. The sub was its own project. When it came time to tow the rocket, well, hey — why not use the sub they already had?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172613",
"author": "Gunleif",
"timestamp": "2010-08-23T22:15:19",
"content": "As I recall, the project began when they made a rocketpowered boat for a childrens tv-program :)The subs are prior to that. The entire program is open source, and adhearing to KISS, hence the use of Nautilus as it’s at hand.BTW Von Bengtsson is a former human habitat engineer at NASA, so not quite an amateur :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172614",
"author": "vonskippy",
"timestamp": "2010-08-23T22:22:23",
"content": "Launch Checklist….#63 afbinde Rocket fra Submarine",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172615",
"author": "andar_b",
"timestamp": "2010-08-23T22:24:24",
"content": "Interestingly enough, the forces a submarine must endure are lesser than current spacecraft in some ways.Pressures outside a sub can be tens of atmospheres, depending on its dive depth limits, while in near space, the only pressure will ever be -1 atmosphere.Air will leak out into space, but a pinhole will cause a high-pressure jet of water, in a sub.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172619",
"author": "zool",
"timestamp": "2010-08-23T22:58:34",
"content": "i wonder what the controlls areit says there’s a dopler radar, and it’s got two boxes with some switchesno real explanation on it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172629",
"author": "Matt T",
"timestamp": "2010-08-24T00:39:46",
"content": "Brilliant stuff!Donations to the project can be made here:http://www.copenhagensuborbitals.com/donate.php",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172632",
"author": "D_",
"timestamp": "2010-08-24T01:05:53",
"content": "I’m not so sure about that seating position. In the event things go wrong your eyes balls are going to be locked onto the impact are, until impact. I’d rather see work on launch vehicles capable to place micro/pico communications satellites into orbit.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172635",
"author": "terribledamage",
"timestamp": "2010-08-24T01:23:50",
"content": "Why I have the feeling that something will go horrible wrong like the rocket fall back to them :DI doubt NASA likes that “kiddies” try to shoot up things to their space. Even if it makes it there it will be just waste floating out there and might collide with 1 multibillion dollar satellites.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172652",
"author": "is0lated",
"timestamp": "2010-08-24T02:32:59",
"content": "@terribledamageIt’s not really NASA’s space :PBut even if it does get up there, it’s going to come back down. It’s a SUB-orbital flight, not an orbital one. I’m pretty sure they’re put a bit more thought into this than “Let’s make a rocket and fire it into space and see what happens.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172661",
"author": "zacdee316",
"timestamp": "2010-08-24T03:19:19",
"content": "Maybe if we’re lucky this program will surpass all national space programs and make a moon(preferably Martian) base before the U.S or Russia.I’m sure there are enough crazy people to do it. I would for sure.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172683",
"author": "gregman_1",
"timestamp": "2010-08-24T04:57:29",
"content": "@polymath-actually, props on just the subs. The space vehicle uses a rocket motor. Just sayin’…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172694",
"author": "Scott",
"timestamp": "2010-08-24T06:12:05",
"content": "PROBLEM:The pilot, if you want to call him that, will be almost in a standing position.If the g forces are great enough, the blood will drain to his feet and he will pass out. Hay may not remember much of his flight is he survives.This is why pilots in modern fighter planes sit reclined.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172701",
"author": "krustikov",
"timestamp": "2010-08-24T06:22:53",
"content": "i dont imagine they’ll be lifting much with only 6000N of thrust?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172736",
"author": "Nick",
"timestamp": "2010-08-24T12:07:25",
"content": "The submarine page is located onhttp://www.uc3nautilus.dk/and some imageshttp://ing.dk/gallerier/97953",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172741",
"author": "Holy Moley!",
"timestamp": "2010-08-24T12:18:26",
"content": "@Zool:My first guess is that the controls are placebos: Each switch or button activates instrumentation that tells the pilot everything’s nominal. If anything, one of them probably plays soothing music and records the pilot’s last words.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172745",
"author": "jerm1386",
"timestamp": "2010-08-24T12:27:36",
"content": "@krustikov Their ‘boosters’ page (http://www.copenhagensuborbitals.com/boosters.php) clearly states 40kN for the vehicle urrently up for launch in a week, and at an acceleration of less than 3g, I estimate that means the rocket is 1400-1500kg AFTER a good portion of the fuel is gone. the 6kN peak engine was from one of their smaller HATV’s.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172829",
"author": "Luckless",
"timestamp": "2010-08-24T15:59:37",
"content": "“oh, let’s just use this sub I have in storage *SuperHighFive*”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172907",
"author": "Mike",
"timestamp": "2010-08-24T18:25:21",
"content": "Why would anyone fly in that coffin when they could ride in style in a Reliant Robin?http://www.youtube.com/watch?v=pJdrlWR-yFM",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172952",
"author": "Jon",
"timestamp": "2010-08-24T20:18:53",
"content": "@terribledamageYou should see the amount of garbage that is orbiting the earth already.From NASA Orbital Debris site FAQ:What is the principal source of large orbital debris?Satellite explosions and collisions. Prior to 2007, the principal source of debris was old upper launch vehicle stages left in orbit with stored energy sources, e.g. , residual propellants and high pressure fluids. The intentional destruction of the Fengyun-1C weather satellite by China in 2007 and the accidental collision of American and Russian communications satellites in 2009 greatly increased the number of large debris in orbit.http://orbitaldebris.jsc.nasa.gov/faqs.html#3",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173160",
"author": "baphomt",
"timestamp": "2010-08-25T10:29:28",
"content": "Really cool! The first impression before reading the notice was that these guys builded a DIY Ballistic Missile Submarine!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173714",
"author": "C. Moller",
"timestamp": "2010-08-26T17:52:31",
"content": "Scott: The pilot will be wearing a g-force suit from the danish airforce, don’t worry it’s highly skilled professionals on the job! Von Bengtsson is former NASA guy working with these kind of things.I think it will go well, happy launch guys!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173784",
"author": "pkr",
"timestamp": "2010-08-26T21:21:24",
"content": "“Light blue touch-paper and retire to a safe distance…”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174094",
"author": "Nick",
"timestamp": "2010-08-27T15:23:21",
"content": "More imageshttp://ing.dk/k#838z",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "176411",
"author": "Zeecue",
"timestamp": "2010-09-02T14:52:19",
"content": "I went to see the spaceship in Nexø here today, will uploade some picturs of the ship later this week.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "177497",
"author": "Phr4gG3r",
"timestamp": "2010-09-05T11:50:04",
"content": "Live view:http://www.nrk.no/nyheter/verden/1.7279144http://ing.dk/artikel/111515-livedaekning-mere-end-600-paa-livebloggen-lige-numms://wms.jay.net/borsenlive",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,387.441725
|
||
https://hackaday.com/2010/08/23/indestructible-ti-89/
|
Indestructible TI-89
|
James Munns
|
[
"handhelds hacks"
] |
[
"aluminum",
"calculator",
"graphing",
"ti"
] |
Sometimes, expensive calculators hit the floor. It’s happened to almost anyone with a graphing calculator from TI or HP. Sadly, they don’t always bounce. After this happened to [Howard C.], an Industrial Engineering student from U. of Iowa, he decided to spend $50 on milling his own replacement case out of aluminum rather than trashing the device over a broken battery compartment. [Howard] chose to send us the story rather than write his own blog, so we’ve included all the great pictures he sent us after the break.
| 65
| 50
|
[
{
"comment_id": "172500",
"author": "Jeremy",
"timestamp": "2010-08-23T17:10:00",
"content": "Wow, that looks pretty sweet! I think if I was modifying my TI-89, I would put in a better battery system such as lithium. Then when I grab my calculator after months of no use, it will still be ready for me.I wonder how hard it is to read, in person, the text above the buttons?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172501",
"author": "Reno",
"timestamp": "2010-08-23T17:10:03",
"content": "Nice work, but a missed opportunity??? Ti could have finally stood for Titanium…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172505",
"author": "Anon",
"timestamp": "2010-08-23T17:19:34",
"content": "Awesome. Now I wish I could do this with my own 89, especially since it flew across the room (but survived except a broken battery door…)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172506",
"author": "SteveO",
"timestamp": "2010-08-23T17:20:44",
"content": "There is no way an industrial engineer did this. They never learn how to actually build anything.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172510",
"author": "Aaryn",
"timestamp": "2010-08-23T17:29:50",
"content": "So does that make it a TI-89 Aluminum?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172511",
"author": "Crazor",
"timestamp": "2010-08-23T17:32:46",
"content": "TI-89 Unibody ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172517",
"author": "vinito",
"timestamp": "2010-08-23T17:45:13",
"content": "If he would have only known…Anodizing is fairly cheap and would have increased the cool factor a bit. But another really nice thing about anodizing is that laser etching after it comes out white and crisp, and often it is pretty cheap too at the right place. So the lettering on the case could have been really slick-looking and easier to read (more contrast).Maybe on case v2.0",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172518",
"author": "kevin",
"timestamp": "2010-08-23T17:45:37",
"content": "http://xkcd.com/768/Still, what the hell T.I.?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172520",
"author": "Brennan",
"timestamp": "2010-08-23T17:49:30",
"content": "Wow. Industrial Engineers actually do stuff?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172525",
"author": "Bob Jones",
"timestamp": "2010-08-23T18:01:32",
"content": "Awesome job!BTW – If you paint in the reliefs and wipe off the excess, the markings will be easier to read.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172526",
"author": "nes",
"timestamp": "2010-08-23T18:05:13",
"content": "Excessive! But cool! Astounding thickness of material in the walls. I reckon that’s literally bomb-proof now. But he deleted the stylish taper and roundy edge to the base.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8117474",
"author": "Daniel Gooch",
"timestamp": "2025-04-10T16:48:08",
"content": "And replaced it with a good aesthetic.",
"parent_id": "172526",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "172531",
"author": "Kyle, also",
"timestamp": "2010-08-23T18:10:50",
"content": "@vinito, i second your thoughts and as an engineering student he probably has or at least knows someone who has access to the schools CNC equipment and could do it for him, possibly even get some extra cred for themselves out of it too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172532",
"author": "Kyle, also",
"timestamp": "2010-08-23T18:11:39",
"content": "oh not to mention if he intends this to be indestructible he get get it hard anodized and it would hold up much much better to impacts and scrapes",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172533",
"author": "fartface",
"timestamp": "2010-08-23T18:14:42",
"content": "wipe the case with black paint… it will fill in the engraving with the black and wipe clean everywhere else.. all the lettering will be high contrast.It’s like most of you here has never actually built anything that has engraving or etching.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172536",
"author": "piku",
"timestamp": "2010-08-23T18:22:50",
"content": "I’ve got a TI-85 that I use as my calculator (when opening Windows calculator or reaching for my iPod is too much effort). I’m pretty sure it’s about as indestructible as the IBM Model M keyboard.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172537",
"author": "Haku",
"timestamp": "2010-08-23T18:23:04",
"content": "What total overkill for a calculator case, I love it! The world needs more robust case designs, things that are built to last years beyond their original warranty.@Jeremy, if you use normal rechargables in your calculator then take a look at the Low Self Discharge NiMH batteries on the market now, they’ll hold 70 to 85% of their charge after a year of not being used.I only buy those types of AA/AAA battery now because I can use them a week/month after charging and they’ll work as if they’d just been charged.http://en.wikipedia.org/wiki/Low_self-discharge_NiMH_battery",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172540",
"author": "Mechanical Engineer",
"timestamp": "2010-08-23T18:33:02",
"content": "Fun project, looks nice.But I can’t believe an Industrial Engineer did more than the CAD drawings. He probably hired one of us Mechanical Engineers to do the actual manufacturing!I also refuse to belove that the original casing actually broke. Back in high school we had to climb lots of stone stairs to reach our math lessons. We regularly dropped our TIs from a floor or two into the stone floor but none of them ever broke. Not even the battery cover.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172543",
"author": "Anon",
"timestamp": "2010-08-23T18:50:10",
"content": "@kevinMeh, the TI-89 is 160×110 (or was it 100, I don’t remember) resolution compared to the 83/84 96×64 pixels.And the TI-Nspire is 320×240 :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172551",
"author": "Jake",
"timestamp": "2010-08-23T19:22:50",
"content": "I don’t see how a TI calculator is worth this, but eh, I guess he really likes his calculator? I have a pile of 85’s, 86’s, 89’s, and 89 titaniums that I’ve accrued over the years, they don’t really seem to be worth much…?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172554",
"author": "Entropia",
"timestamp": "2010-08-23T19:27:58",
"content": "I’ve had a TI-89 Titanium for four years and I never dropped it once.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172560",
"author": "Anon",
"timestamp": "2010-08-23T19:48:25",
"content": "All you guys making fun of Industrial Engineers, I suppose you learned all your relevant skills in EE/ME courses? No? Amazing, you picked them up by tinkering and learning on your own, just like the rest of us.Modern engineering degrees have nothing to do with practical skills, I know plenty of MEs who would have freaked out at “OMG circuit boards!” and plenty of EEs who could do the maths but would be baffled by the engraving process.Of all the engineering degrees, who is expected to know a little bit of every single discipline? Oh yeah, industrial engineers…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172564",
"author": "Brennan",
"timestamp": "2010-08-23T19:54:15",
"content": "@Mechanical EngineerI also go to Iowa (literally typing this from the Iowa engineering building) and I’m pretty sure I know this guy (I know a Howard C.). If it’s the same guy, he started out as a ME and must have switched to IE.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172570",
"author": "Howard",
"timestamp": "2010-08-23T20:05:47",
"content": "Hey Guys… I’m Howard (the geek that built that calculator) Thanks for the comments.Jeremy- Thought of rechargeable batteries, but I think a set of AAA’s last for almost half a year, so I don’t think it was necessary. The text on the buttons are easier to read than how it seems in the picture. however, having them color-coded would be better since I would know which secondary functions correspond to the diamond key and which secondary functions corresponded to the 2nd key. However, I’ve used the TI-89 long enough that it doesn’t really matter.Reno- Thought about it, but Titanium costs significantly more than Aluminum.SteveO- You’re probably right… I have a Bachelors Degree in Mechanical Engineering.Aaryn- Yes it does! I have the file all set up so it says TI-89 Aluminum, but it doesn’t not fit on the bezel, which is quite ashame.Vinito- Yes, I thought about it. But there comes a time when the new school year is about to begin, and I just want to finish my summer project. Not to mention its going to get scratched up anyways.Brennan- One of the best machinists I’ve met actually has a degree in Industrial Engineering, believe it or not!Nes- Yes, the stylish taper was deleted, which is a shame. This was done for ease of machining.Kyle- Yes, I do have access to a machine shop (Haas Mini Mill), and though I have made many parts before, this is my first serious machining project, and learned a lot doing it. There were 3 versions machined from plastic before I machined the aluminum version. Total machining time for the final piece was around 10 hours. Total time time spent on the project? probably around 60 hours.Mechanical Engineer- I dropped my TI-89 on numerous occasions, and what finally happened was a little piece of plastic that was part of the battery compartment snapped (see the 1st picture), so the calculator was fine, but wasn’t getting any power.Jake- I needed a TI-89 pretty bad, so I ended up buying another one, but needed a summer project that would get me more machining knowledge.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172576",
"author": "GeekDoc",
"timestamp": "2010-08-23T20:11:52",
"content": "Very nice. Wish I had access to a CNC mill!I’m sure the case is indestructible (for all practical purposes), but I hope he padded/shock-mounted the inner workings; aluminum won’t absorb some of the shock like plastic will. Otherwise, another drop could break the LCD and make it beautiful, but useless.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172588",
"author": "Gilliam",
"timestamp": "2010-08-23T20:43:13",
"content": "with enough use, finger munge will fill the lettering, also from TI-89 titanium to aluminum.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172606",
"author": "Josh",
"timestamp": "2010-08-23T21:36:58",
"content": "Nice, does everybody see how good stuff can come from us iowans?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172658",
"author": "bakuteh",
"timestamp": "2010-08-24T03:04:06",
"content": "IE FTW!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172669",
"author": "bob",
"timestamp": "2010-08-24T04:16:46",
"content": "I’ll take one in solid gold.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172682",
"author": "wouter",
"timestamp": "2010-08-24T04:56:03",
"content": "@stevO: wtf? I’m in my first year of industrial sciences and I can mill.. *-) it’s not like it’s rocket science. I don’t say I can do it as clean as [Howard C.] but still. I studied Industrial sciences in secondary school to and believe me, I did learn how to mill.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172684",
"author": "archeleus",
"timestamp": "2010-08-24T05:11:04",
"content": "Now I’d like this. If only there was something that ejects leaky batteries automatically.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172689",
"author": "Grievance",
"timestamp": "2010-08-24T05:34:46",
"content": "To SteveO: Play nice with the other disciplines. You never know when you might end up with an IE as a manager…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172690",
"author": "Jonno W",
"timestamp": "2010-08-24T05:43:57",
"content": "I’d love a case, but I realise that it’s probably not economical for you to replicate them.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172718",
"author": "Richard",
"timestamp": "2010-08-24T08:49:47",
"content": "Howard, that’s overkill to the point of elegance – a great little project!Next summer, you could refine it further by milling the body from brass and making a set of replacement keys in black hard-anodised aluminium for a little bit of steam-punk goodness… I’m sure Jake would happily donate a few of his spare calculators to rob for the internals if you made a batch up.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172721",
"author": "James",
"timestamp": "2010-08-24T09:55:22",
"content": "I’m not so keen on it personally, far too blocky and altoid-box-esque. And fat, my god it’s thick! It’d be like carrying around a netbook!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172734",
"author": "Jake",
"timestamp": "2010-08-24T12:00:23",
"content": "@Howard.Gotcha. Sooo…. Do you wanna buy a few more TI calculators? ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172754",
"author": "lwatcdr",
"timestamp": "2010-08-24T13:22:18",
"content": "Wow massive over kill. Cool but massive. Looks almost like it should have CCCP written on it some where.Makes me wonder if you could take the pastic case and coat it with ceramic and the fire it. The plastic should vaporise and leave a perfect mold cavity behind.You could then cast a case for you calculator.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172897",
"author": "Jackman",
"timestamp": "2010-08-24T18:02:06",
"content": "Is anyone marketing this!?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172900",
"author": "Drew",
"timestamp": "2010-08-24T18:09:19",
"content": "Howard, thanks a ton for sending this in- I love that someone got fed up with every damn thing made of plastic and made a metal version!Think about it- all our precision machinists tools are made of things like seasoned cast iron, stainless steel, carbide- all tough stuff, yet the items themselves need to be delicately handled to keep them the precise instruments they are- one good fall to the floor for a set of gauge blocks, onto a metal grit covered metal work area, and I’d never use that block again.A T1-83 calculator is a precision measuring tool. It may be circuits instead of ground carbide, but it’s just as delicate to dropping. I can’t believe Texas Instruments doesn’t already do this themselves- like a calculator equivalent of a Toughbook.Harold- I think you just found a great niche market product. If you won’t make more, I just might! Add viton gasket seals and sealing plastic covers to make it 100% oil and waterproof, and I’ll be impressed even more!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172911",
"author": "D",
"timestamp": "2010-08-24T18:34:15",
"content": "So…where’s the lid?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173531",
"author": "Pirtnac",
"timestamp": "2010-08-26T06:00:21",
"content": "Pop on a rubberized outer covering with internal ribbing like a Fluke (yes, I’ve been watching to much EEVBlog) and you’ve got a ToughCalc, indeed.And the lettering should be reasonably simple. Use leaf foil in gold/brass and some ink for black and you’ve got your 2 color contrast.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173554",
"author": "qwertyphile",
"timestamp": "2010-08-26T07:32:58",
"content": "Hey Howard, Can you publish your solid model files for us/me? I’ve been meaning to make my own custom TI-89 Titanium case for awhile and having the key patterns would help me out… pplleeeaaassssse? :)I’ll even try making the case on a Mendel :) Though I’ll probably still CNC mill it out of stainless in the end. My intention is not to make it indestructible, instead I wish to make it MUCH slimmer by using LiPoly batteries. (I can deal with the self discharge)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173666",
"author": "alison",
"timestamp": "2010-08-26T14:58:50",
"content": "I”m surprised nobody mentioned already, how awesome it would be to do this to a HP 50g while adding a hard slide case that interfaces with the new housing. I love my 50g, it just doesn’t feel as durable as it could be (… china…) and the lack of a slide case is annoying when I lay my backpack down and it presses buttons through the soft case that put it into the never-auto-turn-off testing menu.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173937",
"author": "Howard",
"timestamp": "2010-08-27T05:05:41",
"content": "Appreciated the many comments.James- Yes, it is on the blocky (and heavy) side. There will forever be this tradeoff between manufacturability and design elegance. Unfortunately, this being a machining project, the design elegance took a back seat. There’s always revision two.Jake- How much? do they work?lwatcdr- I doubt it. I could possibly make a mold from the original case and cast that instead. Also casting doesn’t leave a really nice finish. A lot of work has to be done after the casting to make it look nice.Jackman- no, no one is marketing this. At the moment, it the business does not seem profitable. The machining time was around 10 hours, and even if it could be cut down to 2 hours of machining time, the cost of the case would still exceed the cost of a new TI-89.Drew- Appreciated the comment. I would tend to disagree with you. This calculator has been with me for more than a good four years, and has taken many spills, including some onto concrete sidewalks. I would, without a doubt, say that TI calculators are extremely well-built. This fall was the straw that broke the camel’s back. And even after this fall, it was the plastic that chipped, the electronics were perfectly in tact.D- Didn’t make the lid. Never thought of a clever way of making it. Its kept in a sock for the time being. To tell you the truth, the days of this calculator living in my backpack are over. Its living on my desk as a testament on what happens when a geek has way too much time on his hands.qwertyphile- the mendel is not going to offer the precision to make this case. I have to resort to using a 1/16 inch endmill to cut the button holes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174492",
"author": "Peter",
"timestamp": "2010-08-28T20:43:22",
"content": "If you’re gonna invest the time and money, why the heck would you go with TI? It’s not that much more to get an HP, and you’ll end up with a much more useful item in the end…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174503",
"author": "JD",
"timestamp": "2010-08-28T21:00:12",
"content": "I don’t get the $50 figure at all. The metal probably only costs $5. If someone asked me to do the machining, I would probably be insulted by a $50 offer, and it’s certainly not a favor I would just give to anyone. CAD/CAM work is expensive too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174509",
"author": "Michael",
"timestamp": "2010-08-28T21:20:36",
"content": "When engraving stuff like the aluminium legends in the calculator we used crayon to fill the engraved words and clean off with metho. I’m not sure if the crayon was designed particularly for engraving or not.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174511",
"author": "Matt",
"timestamp": "2010-08-28T21:20:47",
"content": "It looks like a classic Game Boy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174521",
"author": "thatguy",
"timestamp": "2010-08-28T21:47:27",
"content": "The idea of ME’s joking about IE’s not being able to run a mill is pretty funny to me.Around these parts: if an ME can machine a hole punch out of a block of aluminum in a week without losing a finger, THAT’S IMPRESSIVE!The local Industrial Engineering program recruits from the local trade school. 2 years of making parts and studying machine tool technology. Most of those kids work full time as machine operators or machinists.Next thing you know: Pogues are going to be claiming Special Forces can’t shoot.We leave school recognizing we still don’t know shit, and that we’ll spend the next 10 years worshiping someone who never graduated highschool.“Downing effect” much?http://en.wikipedia.org/wiki/Illusory_superiority",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174522",
"author": "Greg",
"timestamp": "2010-08-28T21:52:42",
"content": "bob: gold would be fine as long as you don’t mind carrying around a 5 pound calculator!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174524",
"author": "thatguy",
"timestamp": "2010-08-28T21:55:31",
"content": "@ qwertyphileWhy don’t you use a piece of graph paper to measure the optical distortion of your scanner, and then scan in the TI?If you take a rubbing of the keys with graphite on a piece of graph paper, you may be able to get even more accuracy.Ultimately: It appears that you could simply read the mind of whoever designed the layout in the first place using a radius gauge/compass and a pair of calipers.(what I suspect op did)Tweak your code by testing on a piece of sheet metal/plastic/overhead laminate.(sheet material is easiest using double sided tape) Don’t be that guy who guts himself with a spinning piece of steel turned in to a weedwacker.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,387.600163
|
||
https://hackaday.com/2010/08/23/a-different-take-on-electric-motor-cars/
|
A Different Take On Electric Motor Cars
|
Jakob Griffith
|
[
"Transportation Hacks"
] |
[
"car",
"controller",
"electric",
"magnet",
"motor",
"pcb",
"vehicle",
"winding",
"wire"
] |
[Craig Carmichael] has been hard at work on his
electric hub motor for cars
. Unlike
typical electrical vehicles
the plan is to bypass the transmission, differential, and everything else all together by connecting directly to the hub of the wheel. The goal of giving greater thrust and still allowing the use of a gas engine if need be.
There’s really too much detail for us to even begin to try to explain the entire project in a short recap, but [Craig] builds the
entire motor
(from magnets to coil windings) and wires his
own controller
(from schematic to finished PCB), all while documenting the process thoroughly for those wishing to make their own.
| 43
| 43
|
[
{
"comment_id": "172474",
"author": "dan",
"timestamp": "2010-08-23T15:41:37",
"content": "Should’ve been ‘a different SPIN on electric motor cars’.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172477",
"author": "Pablo Rivera",
"timestamp": "2010-08-23T15:53:18",
"content": "That is awesome.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172480",
"author": "Jerome Demers",
"timestamp": "2010-08-23T16:05:21",
"content": "Wow, that is neat. There is a lot of details on his site. I like the idea. But I guest a real hub motor would be simpler since you remove the wheel and install the hub motor and there is no need of those fork brackets.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172483",
"author": "chango",
"timestamp": "2010-08-23T16:13:15",
"content": "@Jerome The bracket scheme is the easiest way to do this (that I’ve seen) on a conventional car. If you got rid of the brackets and replaced them with hub motors you’d have to trash everything from bearings on up.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172489",
"author": "Dosbomber",
"timestamp": "2010-08-23T16:29:26",
"content": "The best part is, if you paint those brackets International Orange, no one will try to steal your car, because they’ll think it’s already had a wheel “booted” by the city. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172490",
"author": "milo",
"timestamp": "2010-08-23T16:32:48",
"content": "This might be good for mass transit, shipping, and other non consumer cars but the massive increase in unsprung weight at the corners will be a huge hurdle for any car to handle in a manner that consumers have come to expect.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172491",
"author": "jeremiah",
"timestamp": "2010-08-23T16:34:29",
"content": "I saw something like this a few years ago. A British company that makes wheel motors specifically for this type of application put 4 of their 160HP wheel motors on a Mini Cooper S and got 80mpg out of it, all the while making 640HP at the wheels.aah here it is.http://www.worldcarfans.com/10607246585/pml-builds-640hp-electric-mini",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172492",
"author": "mixadj",
"timestamp": "2010-08-23T16:42:29",
"content": "I was just thinking about how to do this to my car the other day. I have a fwd car so in theory if I used this method I could effectively have a hybrid 4wd/awd……Im heading over to the site right now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172495",
"author": "vtols",
"timestamp": "2010-08-23T16:48:34",
"content": "http://www.poulsenhybrid.com/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172497",
"author": "psymansays",
"timestamp": "2010-08-23T16:53:15",
"content": "I love this idea, but reading his site, it says that they still need gearing down to work well. This led me to thinking about how I could do this on my VW Bug electric car project in the planning phases, and, you could mount this motor on the side panel of your car, and run a motorcycle chain down to the wheel, through a slot in your wheel well, to gear it down. This way, you could even use a larger diameter rotor and stator.The thing is, gearing it down just cuts down the higher speeds available from a true hub motor.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172538",
"author": "barc0001",
"timestamp": "2010-08-23T18:29:55",
"content": "I’m concerned about this. Something he doesn’t mention is that cars, specifically the transmissions of cars, aren’t built to be put into neutral and pushed around. Every rear wheel drive car I’ve had has stated in the manual that if you are planning on towing it more than 50 kilometers you have to either get the drive wheels off the ground or remove the propeller shaft to prevent damage to the transmission. The same goes for the FWD cars, lift the wheels before towing or just don’t do it at all. It sounds to me like he’s just planning on putting the car in neutral which will work for a while… but will eventually kill the transmission.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172550",
"author": "fhunter",
"timestamp": "2010-08-23T19:22:19",
"content": "@barc0001 – this is only true for automatic transmission. On a stick shift it is not a problem.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172556",
"author": "Jake",
"timestamp": "2010-08-23T19:28:19",
"content": "I’m sorry, but this is a horrible idea. For the amount of work he’s putting in to this, he might as well put the motor just outboard of the transmission or something. This is not something you would ever want to do to a modern car (with ABS, traction control, etc) and many cars will be damaged by higher speed (say 45mph+) travel without the engine (and hence, hydraulic pump in the transmission) running.This is not practical because it increases the overall width of the car, and you must be constantly conscious of this idiotic lump on your drive wheels, lest you bump a concrete barrier or curb and ruin it.This guy gets a B+ for his efforts, but these efforts are incredibly misdirected. He needs to scrap this entire project and start over. It’s actually kind of sad to see someone of his age (and experience, I would assume) pushing forward with such a stupid idea!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172557",
"author": "Jake",
"timestamp": "2010-08-23T19:33:37",
"content": "Good God, I just looked at the rest of his website and I just can’t get over how stupid this idea is. Is this guy still working on this, or has this project stalled indefinitely? I’d be surprised if he goes any further with it. His idea requires the fastening of his bizarre hardware to the knuckle, behind the wheel. On many cars, the knuckle is cast aluminum, and any drilling/tapping of this piece can cause serious safety concerns!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172575",
"author": "Dwarf Hostel",
"timestamp": "2010-08-23T20:11:36",
"content": "His custom-wound motor is a design to behold in Kindergarten. Beyond that it’s a way to make soot necessary in a postapocalyptic Mad-Max world driven by roving gangs of electric utility…people; it’s inefficient in every way but that of selecting rotary drive rather than requiring coils in the pine loam. I hope he permits himself another tool (not bolts and nuts) and a few design iterations.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172584",
"author": "phil",
"timestamp": "2010-08-23T20:28:15",
"content": "that thing would be a pain when you got a flat",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172618",
"author": "itwork4me",
"timestamp": "2010-08-23T22:35:29",
"content": "…reinventing the wheel huh?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172633",
"author": "john",
"timestamp": "2010-08-24T01:08:43",
"content": "this is an excellent idea, built up to prototype. it is the most likely way to adapt/improve existing vehicles, and i think sets good basis for developing hub based internal motors for future pure electric cars with variable motors in all four wheels, keeping (what was) engine compartment space available for batteries (until they get smaller and lighter)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172641",
"author": "D_",
"timestamp": "2010-08-24T01:41:06",
"content": "I have to think the first problem with ANY retro fit hub motor, would be the extra unsprung weight with a suspension not design for it In the event the mounting flange on this axle is strong enough to hand braking forces it’s probably strong enough to handle propulsion forces. This looks to be a front wheel drive car, who’s rear suspension was not design for a drive axle.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172644",
"author": "gyro_john",
"timestamp": "2010-08-24T01:55:52",
"content": "Why are there no freewheeling diodes on the three-phase H-bridge?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172645",
"author": "andrew",
"timestamp": "2010-08-24T01:56:02",
"content": "He’s definitely thinking about of the box but that setup is going to increase unsprung mass like a mother (i.e., it’s going to handle like crap).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172650",
"author": "Sangerjet",
"timestamp": "2010-08-24T02:26:03",
"content": "Wonder how it handles mother nature…such as rain or sand?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172655",
"author": "mosheen",
"timestamp": "2010-08-24T02:47:07",
"content": "@fhunterNot really. Most have an oil pump that will not spin if the drive side turns by itself. You’ll burn it up quick.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172662",
"author": "Nate",
"timestamp": "2010-08-24T03:20:03",
"content": "how screwed would you be if the tire needed changing?now you have to go through hell to take apart or pay the mechanic alot",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172677",
"author": "doc oct",
"timestamp": "2010-08-24T04:48:44",
"content": "carmicheal, charles carmicheal.This should be a nerd hurder",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172691",
"author": "octel",
"timestamp": "2010-08-24T05:52:22",
"content": "@fhunternot true. manual transmissions are not designed to be towed large distances with the output shaft connected",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172712",
"author": "Funky Gibbon",
"timestamp": "2010-08-24T08:35:59",
"content": "Are those tyre treads legal? they look well worn",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172713",
"author": "nes",
"timestamp": "2010-08-24T08:48:58",
"content": "This project is wrong on almost every level possibly excepting the goal of building a plug-in hybrid. That motor has got to be hugely inefficient and it looks like it’s only burning up a mere kilowatt of power. He’s not going anywhere very far or very fast.There are a few folk working on converting car and truck alternators to motors using electronic commutation. The results in terms of power output for the given size and weight can be impressive but it’s definitely not trivial to get good efficiency.http://www.youtube.com/watch?v=Tu-ia7GylO0",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172722",
"author": "Fallen",
"timestamp": "2010-08-24T10:25:59",
"content": ":P I had this idea(using an electric motor that bypasses the transmission)!Kudos to him for implementing it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172727",
"author": "xorpunk",
"timestamp": "2010-08-24T10:47:55",
"content": "This is actually the most intelligent EV design I’ve ever seen. Only problem is hub bolts could easily break like this, and it’s too much wear ont he motor.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172732",
"author": "Randy",
"timestamp": "2010-08-24T11:46:10",
"content": "This is so horrible it has flipped the dial to awesome. Those of us who are electric drive professionals have had a huge laugh at this fellas expense. Not only is the engineering horrible, but the website is horrible and the packaging is horrible .. in fact with the combination that this guy is serious makes it so horrible that its comedy gold.In Wheel Motors when properly done are a solution for distributed tractive effort, however the added expense of the inverters for each wheel make it a cost-prohibitive solution, this is the same problem for any multi-axel electric drive. Of course there is added functionality when you can individually control each wheel, but you have to program that functionality and coordinate it with the rest of the high level vehicle controls (ABS etc).Also PML Flightlink or as it now is called, Protean Electric has changed its name 3 times in 3 years and has no product still, they are vaporware peddlers, along with most other people who are “developing” in Wheel motors, they pay themselves salaries from their investment money and then never deliver any products or customers, watch out folks in the green game.There are at least 20 “companies” out there claiming to have products, but so far none of them except for one GM prototype 5 years ago, have actually functioned properly and without damaging itself in a commercial passenger vehicle.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172740",
"author": "Jake",
"timestamp": "2010-08-24T12:13:32",
"content": "@Phil, NateOH MY GOD, I DIDN’T EVEN THINK OF THAT!!!!!@RandyAgreed. I feel sorry for this guy, but at the same time, this is pretty entertaining. It reminds me of those guys who claim that a little electrolysis going on inside a 12″ section of PVC pipe will get you 100 miles per gallon, LOL.Bad idea, and clearly little or no understanding of the word “practical”…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172748",
"author": "fhunter",
"timestamp": "2010-08-24T12:59:36",
"content": "@octel,mosheenWell, time for me to look up the construction of modern gearbox.PS. IMHO the proper place of such motor is in place of gearbox.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172751",
"author": "gyro_john",
"timestamp": "2010-08-24T13:19:27",
"content": "Re: no freewheeling diodes…Oops. The HexFETs’ internal freewheeling diodes are big enough to do the job. Shoulda looked it up first. :-/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172756",
"author": "h3llphyre",
"timestamp": "2010-08-24T13:26:36",
"content": "Wow, rough crowd. How many of you have built a project to this level, at home, purely out of a love of engineering. It may not be the best solution, it may not ever really work (I have my doubts), but kudos to him for actually building something. It’s certainly within the hacker mentality. Cut the guy a break. I found it an interesting skim read.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173047",
"author": "Wilcorp70",
"timestamp": "2010-08-25T04:01:46",
"content": "Yeah, when did the hacking community get filled with so many naysayers. There have been like 4 attempts at designing a diy wheel motor on the electric car forums. None of them could even settle on what type of motor to make much less actually produce a prototype. If no one ever makes a bad diy motor that we can learn from then how are we going to make a better one. But maybe these guys are right, maybe we should all just wait around for professional engineers to make all this stuff for us, and hackers can just stick to driving LEDs with an arduino.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174450",
"author": "Jim",
"timestamp": "2010-08-28T18:10:17",
"content": "This is exactly the right approach to get things started, thanks for posting it! Hubs are where it’s at for retrofit. You’ll eventually be able to electrify your car incrementally, one hub at a time, and the electrical/mechanical stuff will be contained inside the hub. It doesn’t have to be heavy. Nice work.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "175278",
"author": "vtols",
"timestamp": "2010-08-30T19:06:49",
"content": "Can someone please make an instructable for this hub motor.Thanks!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "175644",
"author": "Craig Carmichael",
"timestamp": "2010-08-31T16:08:09",
"content": "Hi,Many thanks to Hackaday and to those with positive comments. Note the URL, wherever the site may be hosted in the future ishttp://www.ElectricHubcap.com.Most of the negative concerns expressed have been dealt with at least to an extent since, as development proceeds.* For those who want more than just the plans on the website to go on, I plan to offer self-paced Electric Hubcap motor system building workshops this fall – details on the web site.* The 2008 motor shown was connected directly to the car wheel. That proved impractical, notwithstanding that the car moved.* A mechanical torque torque converter is now in advanced stages of initial development to optimally couple the motor to the wheel. Replacing gears with the torque machine, invented in 1923 but never adopted by the auto industry, could have saved the world around 1/2 of all the fuel used for transportation from the 1920’s to now. It’s so effective and efficient that the 4.6 KW axial flux 3-phase brushless supermagnet motor, which performs well, should be sufficient to effectively run a car. With its unfamiliar concepts and principles of operation and little previous development for guidance, it’s taken longer to arrive at a simple, practical design than developing the motor itself. (Details soon – I didn’t choose the moment for this article to appear.)* The motor system has somewhat springy supports, and is now coupled to the wheel by tapered pins; the next outer housing is to be bowl shaped. All this allows the motor some slack to pivot up and down relative to the wheel, so as not to seriously affect vehicle handling on road bumps.* The depth of the system can probably be pared down to about 4 inches. It won’t stick out past the rear view mirror. True, care will need to be exercised for parallel parking unless the motor is on the outside wheel. Driving the wheel itself makes substantially better use of motor, batteries and the power grid to charge them. Plus, I’ve found no other practical place to add a motor to an existing car.* The motor now has two plugs/sockets and four bolts to install or remove. True it will take a few extra minutes to change a tire, but no special expertise.Craig CarmichaelInventor",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "188590",
"author": "apoc",
"timestamp": "2010-10-01T06:00:49",
"content": "It’s like the Volvo’s electric car concept. Sweet!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "200008",
"author": "Jake",
"timestamp": "2010-10-20T17:23:07",
"content": "Craig,How are you going to deal with the inability of the retrofitted cars’ transmissions to stand up to ‘freewheeling’ while driving around under electric power? The hydraulic pump is driven by a skinny shaft that originates at the torque convertor in automatics, which means that without the engine running, you will destroy the bushings and bearings very quickly. Many manual transmissions require that the drivetrain be uncoupled from the drive wheels before you wheel it around without engine power.What about this “Torque Machine” – You don’t think that companies are constantly exploring new ways to make their cars more efficient? Your claim that going that direction would have saved “1/2 of all fuel used from 1920’s to now” is BEYOND idiotic, especially with ZERO supporting data on your part. Seriously, man. Do you know how bad it makes you look when you say something like that?No offense, but the way you are going about doing this suggests a profound lack of understanding of the fundamental concepts behind the way that the world of engineering operates. I looked at your site, you make various wild claims about money that *could* be saved and things that *could* be built, and seem very enthusiastic about it, but have zero supporting data.This product is clearly aimed at older vehicles that are what you would call “inneficient”. So, you want to bolt this bulky motor on the *outside* of the wheel. What happens when you get a flat? Without a tire that will NEVER go flat, your product is useless to a vast majority of the people out there. Have you built any of these “ultra-efficient plug-in hybrids” that you speak of on your website?Your wave generator project is stalled. I see why. You have some wild claims there, it seems that you are claiming “Vancouver Island Floating Wave Power: 900 MW, 3 billion dollars, environmentally benign, can be done a bit at a time”. Do you have any data to support this claim, besides your clunky little setup that sits on the beach?You are clearly very eager to do something. I suggest that you focus on one thing, and try to make it happen without all of the crazy claims during the development process. You’re only going to dissapoint yourself (and maybe others) when the product ultimately fails to be what you claim. You’ll learn a lot in the process (hopefully about how engineering really works), and *maybe* someday you’ll come up with something that actually has financial benefits.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "200450",
"author": "Jim",
"timestamp": "2010-10-21T15:55:41",
"content": "Jake- Presidents claim they’ll reduce unemployment, swear they’ll uphold the constitution and cut the budget while thy’re at it, none of which they do. Yet we elect them over and over. Yet here’s a guy who’s actually DONE something, made something work, and you’re hammering him because it’s not ‘engineered’?Engineering is merely the application of known attributes toward a specific problem. Research is about discovering those yet unknown attributes.I’ll take one Craig over 10 engineers and 1000 presidential candidates. We’ve got the world’s best engineers, yet we’re still facing monumental problems with no apparent solutions. It’s guys like Craig that are going to come up with those solutions. Then they can be ‘engineered’ to the max.I’ll put my money on Craig and guys like him.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "216063",
"author": "Craig Carmichael",
"timestamp": "2010-11-21T18:58:32",
"content": "In October I made an “Electric Hubcap” (“EH”) Outboard out of one of the prototype motors and my old Honda 7.5 outboard. I’ve put four videos up onhttp://www.youtube.com(search “Electric Hubcap Outboard” or “Turquoise Energy”).The EH should be about the most efficient of all motors and I hope to test the outboard soon against an induction motor electric outboard, both on the same boat using the same watts from the batteries, to see how much faster it travels the same route. (Hopefully that’ll be in the next monthly newsletter.)I’ve also been improving the design and construction of the motors and will be offering parts to help people build their own motors. A student has just completed his own EH motor – the best one yet! He plans to put it on a motorcycle.Craig",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,387.51362
|
||
https://hackaday.com/2010/08/23/hexapod-controlled-by-android-and-iphone/
|
Hexapod Controlled By Android And IPhone
|
Mike Szczys
|
[
"Android Hacks",
"iphone hacks",
"Robots Hacks"
] |
[
"accelerometer",
"bluetooth",
"hexapod",
"wifi"
] |
[youtube=http://www.youtube.com/watch?v=NvEBUd_EqbQ]
This video
is a blatant example of having too many high-end toys but we love it anyway. [Robert Stephenson] is controlling a rather awesome-looking hexapod via a Bluetooth connection to his HTC Hero. The app allows on-screen selections to decide which portion of the robot will move as a result of accelerometer data from the handheld. The only thing we saw that was missing is a camera feed to the phone.
But this hack doesn’t stop there. The Hero can be used to host a WiFi network while still connected to the hexapod. The second half of the video shows an iPod Touch connecting via WiFi and controlling the bot. Now head on over to the laser cutter to
start that hexapod build
, and finish up by getting elbow-deep into some
Android development
.
| 10
| 10
|
[
{
"comment_id": "172471",
"author": "M4CGYV3R",
"timestamp": "2010-08-23T15:34:16",
"content": "“This video contains content from UMG. It is restricted from playback on certain sites.”Fuck you, music Nazis. Die in a fire. Soon, preferably.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172473",
"author": "Henrik Pedersen",
"timestamp": "2010-08-23T15:41:12",
"content": "Hahahhahahahahhahha totaaly agree with you M4CGYV3R",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172481",
"author": "HARaaM",
"timestamp": "2010-08-23T16:06:46",
"content": "Does Osama do requests?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172508",
"author": "Artren",
"timestamp": "2010-08-23T17:25:22",
"content": "I would have stopped watching this video out of boredom if it wasn’t for the amazing acoustic version of Enter Sandman. That had to be the most bad ass version of it ever done on orchestra instruments.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172574",
"author": "am",
"timestamp": "2010-08-23T20:11:20",
"content": "@ArtrenI was the same way but please get the song title right. It’s One by Metallica.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172583",
"author": "Kemp",
"timestamp": "2010-08-23T20:27:22",
"content": "@ArtenThat’s not Enter Sandman, it’s One. I thought that it may be Apocalyptica playing it, but I can’t confirm right now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172594",
"author": "Kemp",
"timestamp": "2010-08-23T21:31:50",
"content": "Confirmed:http://www.youtube.com/watch?v=ei0XIkSK86Q",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172753",
"author": "WyreTheWolf",
"timestamp": "2010-08-24T13:21:03",
"content": "Title: OneArtist: ApocalypticaAlbum: Inquisition SymphonyGenre: Rock/PopLabel: Polygramhttp://www.apocalyptica.comThe video was interesting, but… It isnt anything that we have not already seen.Have to admit that the motion of the Hexapod is very smooth.Nicely done!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174634",
"author": "Hehe",
"timestamp": "2010-08-29T03:58:11",
"content": "Is it just me or does it look like a Replicator….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "301135",
"author": "estetik",
"timestamp": "2011-01-11T09:31:41",
"content": "This video contains content from UMG. It is restricted from playback on certain sites.”Fuck you, music Nazis. Die in a fire. Soon, preferably.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.007933
|
||
https://hackaday.com/2010/08/22/hackaday-links-august-22-2010/
|
Hackaday Links: August 22, 2010
|
Mike Szczys
|
[
"Hackaday links"
] |
[
"amiga",
"backlit",
"balloons",
"cannon",
"chrome",
"demo",
"el",
"tabs",
"transformers"
] |
EL back-lit keyboard
A couple bucks worth of EL wire gives a nice green glow to [Mark Shasha’s] T400 Elite. Hopefully [Jeri Ellsworth] has some time to pull those how-to videos together so that we can
make our own EL wire
to replicate this hack.
Mini kaboom
This tiny cannon is right out of Night at the Museum. It works just like its much bigger brothers would; fill with powder, insert cannon ball, and light with a fuse. Both
the introduction
and
the follow-up
videos document the destruction of various objects using the diminutive weapon. [Thanks Thorsten]
Don’t close that browser
We use Google Chrome quite a bit because it tends to be more responsive when opening massive numbers of tabs while researching featured hacks. But there’s some things we don’t like about it. Lack of built-in PDF support under Ubuntu comes to mind, but a smaller thorn in our side is that closing the last tab will also close the browser window. [Ted Schaefer] got tired of the same thing so he wrote an
extension called Last Tab Standing
to trap that last browser tab, opening the default window instead of closing the browser.
Amiga demo winner
This
4K demo for the Amiga AGA
is the
top ranked submission
from Breakpoint 2010. [Osgeld] tipped us off about this and made the point that although it’s four times the size of
those 1K JavaScript demos
, the Amiga code doesn’t get to take advantage a pre-existing framework like Java does enjoy the benefits of running inside of a browser . Is this doing more with less?
Transformers balloon sculptures
If you’re having trouble finding that art piece to fill up your dining room you should consider building transformers out of balloons. The sculpture above is
a free-standing Optimus Prime
but the artist has also turned out Megatron, Grimlock, and others. [Thanks W01F]
| 24
| 24
|
[
{
"comment_id": "172279",
"author": "sneakypoo",
"timestamp": "2010-08-22T22:54:10",
"content": "Jeri has already put out a couple of more vids on the diy EL Wire:http://www.youtube.com/watch?v=cV2HS7_Mg6o&feature=channelhttp://www.youtube.com/watch?v=h4O3BGjxd5I&feature=channel",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172281",
"author": "sneakypoo",
"timestamp": "2010-08-22T22:55:19",
"content": "Now where’s the edit-button when you need it… That was supposed to be two links, not one embedded vid and one link, oh well.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172293",
"author": "The Cageybee",
"timestamp": "2010-08-22T23:13:09",
"content": "Balloon art? Is this hackaday?/pinches self to check not dreaming.No, I did just see that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172300",
"author": "ugh",
"timestamp": "2010-08-22T23:45:07",
"content": "Java != JavaScript.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172302",
"author": "Firestryke31",
"timestamp": "2010-08-22T23:47:39",
"content": "Hate to nitpick, but JavaScript != Java. Hope that was a typo.I would like to try that EL wire thing on my laptop, might make using it in the dark a little easier.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172306",
"author": "svofski",
"timestamp": "2010-08-23T00:13:56",
"content": "@Firestryke31: the contest they mention is a JavaScript contest. Click the link ffs.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172310",
"author": "Bartzilla",
"timestamp": "2010-08-23T00:47:23",
"content": "@svofskiDial down the flames. What Firestryke31 was referring to was “the Amiga code doesn’t get to take advantage a pre-existing framework like Java does” in the post, implying that a Javascript demo would be using the Java framework. That’s pretty incorrect, Java and Javascript aren’t really related in any way and I’m a little surprised that a HAD editor would make that mistake. A more accurate phrasing would be “the Amiga code doesn’t get to take advantage the browser capabilities like Javascript does”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172314",
"author": "Mike Szczys",
"timestamp": "2010-08-23T01:14:37",
"content": "@Bartzilla: Nope, that’s my fault. I understand that Java and JavaScript are different, but I made a mistake in thinking that JavaScript would have an overhead like Java does. I stand corrected.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172315",
"author": "Fallen",
"timestamp": "2010-08-23T01:14:51",
"content": "Fill with powder not power. ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172316",
"author": "octel",
"timestamp": "2010-08-23T01:19:34",
"content": "why EL wire and not an EL panel??",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172321",
"author": "Leithoa",
"timestamp": "2010-08-23T01:50:44",
"content": "I imagine he used EL wire for a couple reasons. The first being it’s probably less work to just snake some wire in between the keys than it is to drill a keyboards worth of holes and individually refit each key on its housing.Depending on the quality of the keyboard it may not be easy to remove and refit each key.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172325",
"author": "dopplershift",
"timestamp": "2010-08-23T02:19:26",
"content": "Is it just me, or is there no actual link to the EL wire keyboard project? My friend Google can’t seem to find [Mark Shasha’s] project either.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172330",
"author": "Hirudinea",
"timestamp": "2010-08-23T03:39:53",
"content": "I love that little cannon, I was just thinking about raising a regiment of mouse artillery too!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172338",
"author": "Mark Shasha",
"timestamp": "2010-08-23T04:43:14",
"content": "OMG I GOT ON HACKADAY I LOVE MY LIFE YESSSSSS :):):)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172347",
"author": "FB",
"timestamp": "2010-08-23T04:48:22",
"content": "I recall Chrome having that feature built in a while ago…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172363",
"author": "egåroht",
"timestamp": "2010-08-23T06:53:12",
"content": "java is to javascript what car is to carpet",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172367",
"author": "Drew",
"timestamp": "2010-08-23T07:04:38",
"content": "Ah! A way to finaly give my IBM model M backlighting! Awesome!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172417",
"author": "The Cageybee",
"timestamp": "2010-08-23T10:46:19",
"content": "Hmm. For an article title ‘Links’, I’m a little perplexed as to why there’s no link to the EL back-lit keyboard build/page.Any chance we could have one?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172441",
"author": "max",
"timestamp": "2010-08-23T12:56:12",
"content": "Didnt gigafide do an el-wire keyboard video the other day?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172445",
"author": "svofski",
"timestamp": "2010-08-23T13:23:03",
"content": "Heh, ok. I clicked the JavaScript contest link and didn’t notice the mistake in the actual article. I’m rather amused that HaD has mentioned demoscene as such, a rare occasion. But then again, this particular demo is a rare gem, an immediate classic.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172482",
"author": "Lynge",
"timestamp": "2010-08-23T16:12:59",
"content": "I, for one, absolutely LOVE that Chrome closes when I close the last tab.I use all browsers in my daily work, and I always curse when I cant click my mousewheel to close Firefox completely when there is only one tab left.Oh well, each to his own I guess, but I really hope chrome never adopts a different default settings for that :)Great links btw",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172499",
"author": "Mark Shasha",
"timestamp": "2010-08-23T17:03:12",
"content": "hello, to answer your questions1. i used el wire insted of el paper because cutting holes for all the keys to fit in the el paper dident really work. el wire i just snaked through the bottom of the keys and put them back on. all the keys press fine.2. i hid the el wire inverter in this slot on the side of my computer that i never use (dont know what its called, but its BIG)3. there is no build page, i dident bother documenting everything mostly because i am lazy.4. its a 3v inevter, and after going around my mobo with a altmeter i saw 2 leads and jsut solderded.hope this answeres your questions.regardsmark shasha",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172547",
"author": "zeiris",
"timestamp": "2010-08-23T19:03:01",
"content": "Google documents has a very, very nice online PDF viewer. There’s a Chrome plugin for it.Lazy loading means it requires some care to work offline, but it’s pretty much the bees knees otherwise.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172856",
"author": "JK",
"timestamp": "2010-08-24T16:43:37",
"content": "> Is this doing more with less?Not to mention that, to my knowledge, the 1k JavaScript demos have not music/sound whatsoever, while the 4k Amiga demo is accompanied by a sweet soundtrack (which gave me the creeps when watching it on the bigscreen).",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,387.899095
|
||
https://hackaday.com/2010/08/22/giving-an-ir-transmitter-some-strength/
|
Giving An IR Transmitter Some Strength
|
Mike Szczys
|
[
"home entertainment hacks"
] |
[
"ir",
"RF",
"thomson",
"transistor",
"transmitter",
"video sender",
"vs360u"
] |
[Jkx] was using a Thomson VS360U video transmitter to make a wireless connection between a cable box and his television. The system using an RF remote, but relies on an IR transmitter to communicate between the base station and the cable box. He found the IR module that comes with the device is under-powered and
set out to fix the situation
. Using a scope he found the pin that drives the IR LED. The board above contains a boost circuit that patches into voltage and ground, using the pin he sniffed out to control the base of a transistor. Now the device has enough power to reliably control the cable box.
| 17
| 17
|
[
{
"comment_id": "172229",
"author": "mjrippe",
"timestamp": "2010-08-22T18:42:47",
"content": "What, no lasers? Seriously though this is a simple and elegant solution. Well, perf board is about as elegant as *I* get. Well done!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172231",
"author": "Henrik Pedersen",
"timestamp": "2010-08-22T18:45:37",
"content": "I love those simple hacks ! Why patch into the IC circiuits and connect them trough a satelite (okay sounds way more cool…) if you just can do something like this?Thumbs up :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172238",
"author": "Nomad",
"timestamp": "2010-08-22T19:33:08",
"content": "@Henrik: or make the whole thing controllable via twitter or something like that :DThe only way this one can get cooler is by dropping the perfboard and making one of those “minimalistic circuits” where parts are just soldered together :DReminds me of the Canon IR release i made.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172247",
"author": "Henrik Pedersen",
"timestamp": "2010-08-22T19:45:54",
"content": "@NomadYeah would be awesome. I really like the use of BC547, I can’t get enough of them. They are like drugs to me because of their awesomeness ! :DYeah I know it’s a cummon transistor, i just love to use them because of it was the first transistor i learned to use xD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172249",
"author": "Abbott",
"timestamp": "2010-08-22T19:59:06",
"content": "Sweet and Simple, I like it. Great hack, I might end up using something similar to this for my TV system back home.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172250",
"author": "Nomad",
"timestamp": "2010-08-22T20:01:15",
"content": ":D thats exactly how i feel. The 547 was the first transistor i had in my hands. Small and fancy thing. I’m even feeling bad about using an another one for my Canon IR remote…but it was necessary, because i wanted to drive the LED with the 120mA, which were written in the datasheet and i was afraid that the 547 would get too warm.But maybe i can still use it, because the LED is being controlled with pulses and doesn’t draw continuous current.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172274",
"author": "chango",
"timestamp": "2010-08-22T22:08:42",
"content": "@nomad: if you have your heart set on the BC547, considering this is a digital application couldn’t you just parallel a few of them?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172276",
"author": "terribledamage",
"timestamp": "2010-08-22T22:20:38",
"content": "OMG instead of buying more coax he come up with this?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172305",
"author": "Hip",
"timestamp": "2010-08-23T00:09:18",
"content": "Love it! Nice comments people!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172318",
"author": "Garbz",
"timestamp": "2010-08-23T01:22:29",
"content": "What he doesn’t go into on the site which may be of news to some people is that LEDs die because of thermal runaway. Thus if you have an LED that can safely run at 25mA there’s no reason why you couldn’t pulse it quickly at 100mA providing there’s enough of a gap between pulses to cool down.Parallel a couple of these LEDs and their driver circuits, add a slightly beefier transistor and drop the resistor to 10ohms and you’d be able to get this thing working across a football field. Just pay attention to the datasheet of the LED to see if there is any hard upper limit to current, and if you’re ever in doubt if the LED still works, just drop your phone into camera mode and look at the LED through the eyes of the crappy little IR recording CCD in your cameraphone.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172326",
"author": "andrew",
"timestamp": "2010-08-23T02:40:18",
"content": "I’ve read that summary 3 or 4 times and I still don’t understand what it says.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172375",
"author": "Osgeld",
"timestamp": "2010-08-23T07:36:55",
"content": "transistor as an amplifier, who would have guessed :pno seriously its a good and simple hack that does the jobwell done",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172402",
"author": "Dug",
"timestamp": "2010-08-23T09:23:04",
"content": "Great hack. Now I just wish there was a simple way to boost the video transmission signal power!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172405",
"author": "Nomad",
"timestamp": "2010-08-23T09:32:03",
"content": "@chango: nah that would make the circuit bigger and then i’ll have to edit the sourcecode to make the tiny13 switch two pins simultaneously. And i don’t want to mess with that because of the crappy programmer i have (piece of pcb attached to an arduino…this thing can only write/read flash/eeprom)@andrew: you don’t have to care about the current on IR-LEDs, because they can handle a current up to 120mA, which sure is more than the maximum of a “normal” LED. Especially if you want to use a BC547, because its maximum is about 100mA. The second fact of IR systems is, they always are running with pulses. E.g. the Canon IR protocol runs on a frequency of 36kHz.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172435",
"author": "Nomad",
"timestamp": "2010-08-23T12:23:38",
"content": "oh i noticed i wrote andrew when i actually meant Garbz…sry about that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173315",
"author": "sanud002",
"timestamp": "2010-08-25T17:59:42",
"content": "Awesome, im fully gonna do this to my kids new set if IR Rokenbok toys!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "303440",
"author": "Abu michael",
"timestamp": "2011-01-13T17:00:54",
"content": "men i enjoyed what you did with the ir transmiter thing. can you post the schematic along with it,pls.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,387.780171
|
||
https://hackaday.com/2010/08/22/another-home-built-laser-projector/
|
Another Home-built Laser Projector
|
Mike Szczys
|
[
"Laser Hacks"
] |
[
"atmega64",
"galvanometer",
"laser",
"projector",
"vector"
] |
[Jarrod] sent us a link to this
home-built laser projector
after seeing a different projector that we
featured yesterday
. This system is fundamentally different. [ChaN], who finished the project several years ago, didn’t use a loudspeaker to move the mirrors, but instead build his own closed-loop Galvanometers. Two of these are controlled by an ATmega64 to produce incredibly clean and accurate vector images. It’s not just the images that are impressive, his hardware is laid-out with skill and forethought that make hiding it in a case a sacrilege.
| 21
| 21
|
[
{
"comment_id": "172214",
"author": "zeropointmodule",
"timestamp": "2010-08-22T17:49:25",
"content": "just the thing for projecting targeted ads onto convenient walls…bonus if it autodetects via bluetooth the type of phone they are carrying and then displays accessories and applications for it..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172215",
"author": "Mich",
"timestamp": "2010-08-22T17:54:14",
"content": "That thing is really well made. Have a look at the video at the end of his page, it’s rather amazing for a self-built project.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172223",
"author": "davisr",
"timestamp": "2010-08-22T18:16:23",
"content": "Too bad the site redirects to yahoo.com.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172228",
"author": "Banjohat",
"timestamp": "2010-08-22T18:35:38",
"content": "I saw this years ago and wondered what all the fuzz was about with the other article.. This however is a very interesting build!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172230",
"author": "cinead",
"timestamp": "2010-08-22T18:44:37",
"content": "His main webpage seems to redirect to yahoo, but you can see his report here:http://elm-chan.org/works/vlp/report_e.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172232",
"author": "Drake",
"timestamp": "2010-08-22T18:49:46",
"content": "I think the url you want is thishttp://elm-chan.org/works/vlp/report_e.htmlplanning on making my own this upcoming semister",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172237",
"author": "macona",
"timestamp": "2010-08-22T19:22:38",
"content": "I want to play battlezone on it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172248",
"author": "DanAdamKOF",
"timestamp": "2010-08-22T19:48:12",
"content": "That’s Elm-Chan for you. Dude’s really skilled.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172256",
"author": "MS3FGX",
"timestamp": "2010-08-22T20:34:00",
"content": "Incredible documentation on all of his projects.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172263",
"author": "Ulrich",
"timestamp": "2010-08-22T21:19:37",
"content": "He filed his nixie-clock-build under“insignificant projects”…The quality of his builds is fascinating.This is the stuff. Really.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172265",
"author": "fermicirrus",
"timestamp": "2010-08-22T21:25:20",
"content": "is this laser week or something?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172266",
"author": "limpkin",
"timestamp": "2010-08-22T21:28:01",
"content": "man this project is soooo old, i remember having a look at it 4 years ago…you can buy ready to work kits on ebay, all you have to do is use an uC with a DAC…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172271",
"author": "fluidic",
"timestamp": "2010-08-22T21:49:25",
"content": "Can we see some with micromechanical optics now?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172294",
"author": "Brian Recchia",
"timestamp": "2010-08-22T23:37:51",
"content": "Now if only MAME supported this… Asteroids isn’t meant to be played on a raster display.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172308",
"author": "Peter",
"timestamp": "2010-08-23T00:25:04",
"content": "I saw this build years ago. Perhaps because its dated Oct 2004 :)If your interested in scanning my suggestion is get a cheap closed loop set off ebay. PS and all. Unless you have a scope and alot of time these are quite tricky to get right. And by that I mean scanning with nice sharp corners, etc. Kudos to this guy but for all the hassle, etc i’d just buy a set off ebay. Checkout General Scanning (G120’s) and Cambridge (6000 series) as they are the two big galvanometer manufacturers (or they were 10 years ago).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172311",
"author": "Peter",
"timestamp": "2010-08-23T01:02:39",
"content": "After reading this and googling around to see whats happening in the laser community these days I found the following link to several galvo project pages that would be of interest to anyone looking at this project:http://www.ctrnd.com/NormLaserShow/FriendGalvos.htmAlso some funky software and a good DA converter herehttp://www.youtube.com/watch?v=NUD0ibwQp24",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172418",
"author": "Matthias",
"timestamp": "2010-08-23T10:49:40",
"content": "Wow, great documentation!Here is an example of what you can do in a interactive way using laser projectors:http://www.youtube.com/watch?v=90actrzTY6wgreetingsm.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172419",
"author": "Hungry_Myst",
"timestamp": "2010-08-23T10:59:41",
"content": "It would be amazing if he wrote a program to use this as a display for old vector arcade games. Laser Asteroids for the win!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172429",
"author": "Tachikoma",
"timestamp": "2010-08-23T12:08:27",
"content": "impressed!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172437",
"author": "nes",
"timestamp": "2010-08-23T12:36:27",
"content": "@Brian Recchia: There is a feature of DOS Mame which supports vector displays via the Zektor adapter. Might possibly be used with this so long as the frame rate is not too high. Games designed for the Vectrex would probably work ok.The performance is all the more impressive given he went for a moving iron design over a moving coil. I like that this decision was well reasoned too, and the homebrewed capacitative positional feedback is awesome.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173468",
"author": "axodus",
"timestamp": "2010-08-26T02:06:30",
"content": "@Matthiasanother interactive thing you can do with laser projectors:http://www.youtube.com/watch?v=FpA__15_nzY",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,387.837186
|
||
https://hackaday.com/2010/08/22/laminar-water-jet-explained/
|
Laminar Water Jet Explained
|
Caleb Kraft
|
[
"home entertainment hacks"
] |
[
"fountain",
"water"
] |
[youtube=http://www.youtube.com/watch?v=Ijn98G0I99E]
[Dave] has put together this
laminar water jet
, mainly from PVC and drinking straws. There isn’t a project page, but he does go into a little depth explaining how it works. The water enters at the bottom and is slowed down by a series of sponges, then forced through a column of drinking straws. It then pools at the top before being forced through a perfectly smooth and sharp nozzle. We did manage to find this
other video, making one for $15
that has a ton of information and links. How long before we see a submission of a complete music synchronized fountain in one of our readers yard?
| 37
| 35
|
[
{
"comment_id": "172174",
"author": "Anonymous Coward",
"timestamp": "2010-08-22T14:40:11",
"content": "Let me guess, the video has some commercial music in the background? Youtube just shows me “This video is not available in your country.” when accessing it from Germany.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172177",
"author": "Nomad",
"timestamp": "2010-08-22T14:59:44",
"content": "Ah come on guys…you can’t be serious. Stop putting licensed music in your videos. People from all over the world can’t view them.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172179",
"author": "M4CGYV3R",
"timestamp": "2010-08-22T15:15:30",
"content": "Whoever recorded that video is terribad at filming. I just want one steady, stable shot of the whole thing. I don’t particularly care for shaky half-frame closeups of some old beardy guy or you playing with the water. Add on the music licensing and this video is completely useless.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172180",
"author": "m!nus",
"timestamp": "2010-08-22T15:16:10",
"content": "Really from all over the world or just Germany -.-",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172182",
"author": "mewthisblows",
"timestamp": "2010-08-22T15:37:15",
"content": "This video is not available in your country. This is getting really annoying….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172183",
"author": "Mat$kat",
"timestamp": "2010-08-22T15:41:11",
"content": "Waaah waaah waah.LOOK AT THE COOL WATER JET….complaining is SO passe.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172186",
"author": "trc202",
"timestamp": "2010-08-22T16:04:50",
"content": "ripped the video and re-uploaded it for those who could not watch it.http://www.megavideo.com/?v=XA5EAB4RNote: I am not affiliated with the author in any way nor hack a day.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172192",
"author": "Cynyr",
"timestamp": "2010-08-22T16:26:08",
"content": "and here i was expecting a water jet cutter and was all excited.I wonder if you could do something similar to a fan for directed air flow, I bet it would cool computer parts better that way.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172205",
"author": "Osgeld",
"timestamp": "2010-08-22T17:00:17",
"content": "Disney world if I recall correctly sends theirs through a collum of fine mesh screens",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "1070138",
"author": "mark",
"timestamp": "2013-10-06T04:36:33",
"content": "Pretty sure they use a company called WET design. They hold the patent for laminar fountains, and built the original leapfrog setup at EPCOT.",
"parent_id": "172205",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "172218",
"author": "sto24",
"timestamp": "2010-08-22T18:04:04",
"content": "great visual effect.!i just wonder can this be made more compact without sacrificing the quality of the stream? seems huge.! btw there must be something already in production that can be modified to perform the same task as this 2000-straws+plexi+nozzle.. any ideas?also how does the wind affect the stream ??",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172225",
"author": "zeropointmodule",
"timestamp": "2010-08-22T18:18:26",
"content": "pesky music mafIAA..why won’t they just go away, their business model is outdated and obsolete.neat video FWIW",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172235",
"author": "willyshop",
"timestamp": "2010-08-22T19:10:33",
"content": "There’s no ‘L’ in the word straw, and the surface tension of water is not do to magnetism. Other than that the water jet’s pretty cool. Still a little expensive for a glorified drinking fountain.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172242",
"author": "sneakypoo",
"timestamp": "2010-08-22T19:41:28",
"content": "I’ve wanted to build one of these for years but I just can’t get around to it it seems. I do wonder if there aren’t easier ways to “inject” light than to put an optic fiber in there though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172244",
"author": "B1rdm4n",
"timestamp": "2010-08-22T19:42:51",
"content": "Guys if you can’t watch the video because of the music licensing, just use a proxy!!!Create your own if you can’t find one that allows youtube videos…http://glype.com",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172255",
"author": "MS3FGX",
"timestamp": "2010-08-22T20:26:37",
"content": "Really incredible. Having not previously been aware of laminar flow jets, I spent half the video wondering why they were making such a big deal about this tank with a clear plastic hose coming out of the top…Surprisingly easy to build too. Shame I can’t think of any use for it right now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172275",
"author": "gryphern",
"timestamp": "2010-08-22T22:14:35",
"content": "@MS3FGX With a very smooth column of water you can use the “critical angle” to make light bounce around inside the water. If you aim a laser pointer into the stream from behind it, the light will be caught inside the laminar jet and be released wherever the surface of the jet is not perfectly smooth. The addition of particles or bubbles to the jet will make the light scatter, lighting up the jet.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172277",
"author": "iR377",
"timestamp": "2010-08-22T22:35:52",
"content": "@Osgeld. You are right. I worked for a hire company that specialised in water effects and these jets where one of the things I would have to maintain regularly, keeping the screens as clean as possible to keep the jet perfect. The ones we used had a blade attached to a large stepper motor to cleanly chop the water stream for great jumping jet effects. I was working on a way to miniaturise the jets before I left the company.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172313",
"author": "stol24",
"timestamp": "2010-08-23T01:13:52",
"content": "@iR377 So do the mesh screens have to be aligned in some way? and how fine should those be? i am seriously thinking of having a go at it..!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172327",
"author": "Whatnot",
"timestamp": "2010-08-23T02:42:42",
"content": "It’s interesting to hear about this, I followed some links and got this video with traveling light in the beam and I assume that’s done by pulsing the light with just the right timing? And that would be a nice project for an – dare I say it… arduino?http://www.youtube.com/watch?v=05VcA081uXA&feature=fvw",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172328",
"author": "Whatnot",
"timestamp": "2010-08-23T02:46:09",
"content": "Addendum: although I suspect some synced pulsed light another video showed a guy using a ‘tapper’ to create pulses in the beam, a small hammer hits the nozzle plate to create a traveling pulse in the beam, but that of course can also be orchestrated by a controller.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172360",
"author": "andar_b",
"timestamp": "2010-08-23T06:01:14",
"content": "@willyshopYeah, no L in straw, but there is a ‘ue’ in ‘due’.And he mentioned surface tension, was just using magnetism as a comparison, not a scientific term.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172448",
"author": "davity",
"timestamp": "2010-08-23T13:34:32",
"content": "I’ve been looking for this water-thing since I saw it at discovery channel, Thanks!One of the fountains of one hotel in Las Vegas have the same system to make the water show every day :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172509",
"author": "John",
"timestamp": "2010-08-23T17:28:30",
"content": "I’ve been working on this for over a year now, and am getting some where! I started my project blog and have some information on it there, as well as a forum. They are really simple in principle, but can be a bit difficult to fine tune. I’ve been able to get mine to shoot about a 14 ft arc about about 3 ft high. They are almost completely silent, and stunningly beautiful!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6274305",
"author": "Michael",
"timestamp": "2020-08-30T15:01:02",
"content": "CAN you give me some detail on how you made it?",
"parent_id": "172509",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "172562",
"author": "Name required",
"timestamp": "2010-08-23T19:53:32",
"content": "Since none else of y’all ingrates is going to say it: Thanks for re-uploading, trc202!(And thanks for nothing, google Deutschland, for blocking it in the first place)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172823",
"author": "Nomen Nescio",
"timestamp": "2010-08-24T15:44:14",
"content": "Is such a stream more effective when let’s say cleaning your hands? And is it quiter when filling up a bathtub? It certainly looks nicer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173213",
"author": "PocketBrain",
"timestamp": "2010-08-25T14:19:09",
"content": "I’m thinking coffee stirrers in a similar fashion as the drinking straws; their width to length ratio is smaller, so they should reduce turbulence and produce laminar flow in a shorter/smaller space. Ideally, you should also be able to scale the nozzle to produce a cutting jet, assuming you could do so without introducing further turbulence. I don’t know if commercial waterjet cutter uses laminar jets, but I bet it would produce a smoother, more precise cut.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173833",
"author": "cknopp",
"timestamp": "2010-08-26T23:27:56",
"content": "Great project!See, when I see things like this, I immediately think of the Anti-Gravity mechanism that requires rotation of a magnetic fluid. If jets like this could pump streams of magnetic ferro fluid into a coil under vacuum, it should reach the superconductivity necessary to manipulate the gravity field….But, maybe it wont work with anything non-water based… Any ideas?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173898",
"author": "Frogz",
"timestamp": "2010-08-27T03:04:25",
"content": "overcomplicatedwatch how do they do that episode 308http://www.youtube.com/watch?v=ItkSb8ZpRyohttp://www.youtube.com/watch?v=OT8d0IMleLghttp://www.youtube.com/watch?v=HMoq9Hak_fQthe guy who made the displays for the big vegas water show made 1 when he was like 14 with drinking straws",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173900",
"author": "Frogz",
"timestamp": "2010-08-27T03:05:23",
"content": "since my last comment is awaiting moderation, have part 1..http://www.youtube.com/watch?v=ItkSb8ZpRyo",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "181065",
"author": "boodaman",
"timestamp": "2010-09-13T22:39:28",
"content": "There is a forum with lots more info on building these types of water jets.laminar dot forumotion dot com",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "399813",
"author": "tbreath",
"timestamp": "2011-05-30T14:38:44",
"content": "Just wanted to comment on the travelling light through the water.This has nothing to do with pulsing light at the exact right timing. Very nice effect though.There is no way you could make light pulses travel inside a water beam or any other medium for that matter like this. This would mean that the photons start behave like matter – like the laser guns of Star Wars and Star Trek etc. You can’t do that.Water will have to flow, and light will have to be on all the time during the time the light travels through the beam.The only way to make this happen is to inject some kind of particles in the beam of water that disrupts the perfect water beam making the light escape from the edges of the beam. OR you can disrupt the beam in some other way like vibrating the nozzle or something with a small hammer like mentioned. Either way you will create interference in the beam so that the light escapes. If the beam is not disrupted, it works as a fibre optic cable, or close to it, containing most of the light all the way.Make the beam vibrate, viola, you have a pulse of light. But the beam is lit up all the way, you just dont see it unless you disrupts the laminar flow…I think people have tried for ages to make light behave like matter, but I don’t think any have done it yet, and you most certainly can not do it if it’s possible at all, with a home made 200 bucks water fountain :). Unless you live at CERN :P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "408441",
"author": "matty",
"timestamp": "2011-06-21T18:19:09",
"content": "If i wrap the water on the way out of the top of the jet with a bright intense light will it light the stream?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "507145",
"author": "bob",
"timestamp": "2011-11-13T01:21:52",
"content": "The technology is already patented, originally being used to channel laser light to cut silicon wafers, whilst cooling at the same time.The advantage being no jagged edge damage to the chip,",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "712083",
"author": "Hirudinea",
"timestamp": "2012-07-24T21:40:37",
"content": "Now I know this is a stupid question but if the light source was under computer control and there was a light sensor at the end of the flow this thing could be used to transmit data, right?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "1004606",
"author": "grunf16",
"timestamp": "2013-05-17T00:21:59",
"content": "http://www.youtube.com/watch?v=rQDUeVg_418",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.421869
|
||
https://hackaday.com/2010/08/15/hackaday-links-august-15-2010/
|
Hackaday Links: August 15, 2010
|
Mike Szczys
|
[
"Hackaday links"
] |
[
"inkjet",
"laser cut",
"star wars",
"starwars",
"uncanny valley"
] |
Creepy or not?
Do you find
these faces
creepy or cute? They can display a huge range of facial gestures and the German engineers who designed them were trying to avoid
the uncanny valley
. That’s the point at which human features on a robot seem quite real, but are off in just the right way as to cause revulsion. [Thanks Simon]
Water in your ink cartridge
Like all great hackers [Dean] digs through his neighbors’ trash. He found an inkjet printer but wanted to test it out before buying new cartridges. The old ones were dried up but he
revitalized them with an injection of filtered water
. It might get you through that quick printing project without a trip to Walgreen’s.
Laser-cut LP record
[Niklas Roy] demonstrates
a laser-cut LP record
. He’s using acrylic as a medium, kind of like a big CD with grooves in it. He’s got several tracks that are simple loops instead of the longer spirals you may be familiar with. They definitely sound different but it’s up to you to decide if that’s by design, or a fluke.
Star Wars cinema
Ever wonder what to do with those classic toys you’ve got sitting around?
Here’s a little video
that envisions your life with an AT-AT as the house pet. [Thanks Gabe via
Wired
]
| 20
| 20
|
[
{
"comment_id": "168950",
"author": "zool",
"timestamp": "2010-08-15T22:22:45",
"content": "did he try just shaking the ink cartridge first, that works a lotlaser record was ok but it’s just loops and not really something recordedit would be interesting if you could actually cut a song with itmaybe someone should try that",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168954",
"author": "mewthisblows",
"timestamp": "2010-08-15T22:28:32",
"content": "“This video is not available in your country.” from Germany…thank you one-sided globalization….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168966",
"author": "pete",
"timestamp": "2010-08-15T23:37:49",
"content": "The sony aibo should have looked like the AT-AT",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168990",
"author": "ejonesss",
"timestamp": "2010-08-16T01:04:52",
"content": "you can maybe go to your local mom and pop business machines shop and borrow a working cartridge to test it too",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168991",
"author": "Icy",
"timestamp": "2010-08-16T01:05:01",
"content": "Re the refilling ink – I think the afrotech guide is better (http://www.afrotechmods.com/reallycheap/Ink/Ink.htm) though liquid to use is of debate. I’ve had luck with 70% rubbing alcohol.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168992",
"author": "t&p",
"timestamp": "2010-08-16T01:14:34",
"content": ">>neighbors’ trash>>found an inkjet printer>>buying new cartridgeswhy? it’s in the trash for a reason. inkjet sucks and is not worth the money unless you are making t-shirts or something of the like. even so, the printer is like worth $2 as the ink is $60.The only thing good from this is the microcontroller.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169027",
"author": "ChalkBored",
"timestamp": "2010-08-16T04:02:10",
"content": "If you’re designing a robot face to try and avoid the uncanny valley, the first thing you should in the demonstration video should NOT be ripping off it’s face.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169029",
"author": "ChalkBored",
"timestamp": "2010-08-16T04:08:44",
"content": "edit: the first thing you should ^do …My typing is getting horrible lately.Also, the laser cut record is a neat idea, but the noises they burned onto it are horrible.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169046",
"author": "Osgeld",
"timestamp": "2010-08-16T05:06:36",
"content": "I get inkjets handed to me left and right, lets face it, they are a bic pen, disposable, you can get “refurb” units with new “demo” ink for less cost than the full cartsbut I can also give them away, here have a printer school, church, individual you gotta buy more ink though, and to test them I do a similar trick but with rubbing alchol, as it thins out the ink and will disolve clots faster with less solution+ a pint of the stuff is a buck at dollar tree",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169047",
"author": "Osgeld",
"timestamp": "2010-08-16T05:07:39",
"content": "er um hit the button too quick, where I was going with giving away crap printers is a minor tax write off, which can add up over the year",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169080",
"author": "Punkguyta",
"timestamp": "2010-08-16T07:33:23",
"content": "@OsgeldWell man of all the comments I just read, you’re one smart cookie.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169102",
"author": "azend",
"timestamp": "2010-08-16T09:32:43",
"content": "Please no links/top5s :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169103",
"author": "ohmsresistance",
"timestamp": "2010-08-16T09:37:21",
"content": "LOL that laser cut record guy was effing hilarious.in part 8 you can see his reflection in the “record”and he is saluting…What he is saluting? i have NO idea.hahahahaha",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169110",
"author": "qwerty",
"timestamp": "2010-08-16T11:14:10",
"content": "t&p: shhh! Don’t tell people inkjets are crap or we won’t find free stepper motors, gears and electronics in the trash anymore!:)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169111",
"author": "Lemon",
"timestamp": "2010-08-16T11:36:12",
"content": "For German users -> AT AT Pet alternative Video:http://www.youtube.com/watch?v=0vRKcNxypoE",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169114",
"author": "James",
"timestamp": "2010-08-16T11:57:23",
"content": "(or be able to print decent quality images)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169130",
"author": "DrAltaica",
"timestamp": "2010-08-16T13:18:38",
"content": "I forgot, is ‘ugly’ considered ‘cute’ or ‘creepy’?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169133",
"author": "Dosbomber",
"timestamp": "2010-08-16T13:38:31",
"content": "“Press one of these buttons to select a track”“…I’m waiting..”LOL! Never saw YouTube being used quite like that before.I’ve heard of record players using lasers to replace the needle (for rare, “unreplacable” records) so the playback needles don’t damage the records during normal use, but never to etch the sound into the record.Too bad, even if what he’s doing would catch on, the technology is still 30+ years obsolete. Maybe fun for enthusiasts, though.The wiki articles on the “Uncanny Valley” was very interesting. Humans are so weird, with their “emotions” and stuff.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169136",
"author": "Trukkle",
"timestamp": "2010-08-16T14:17:55",
"content": "I’m sure the hipsters that are entertained by the laser-cut record would get just as much enjoyment out of running the needle over their fingerprints. “Everyone’s song is different and they’re born with it on their hands” or some equal crap. Hardcore hipsters would use their toes and do it till they bled.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169170",
"author": "mostlymac",
"timestamp": "2010-08-16T17:25:44",
"content": "The AT-AT is definitely my pick next time I go to the dog track.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,387.964169
|
||
https://hackaday.com/2010/08/15/making-el-wire/
|
Making EL Wire
|
Mike Szczys
|
[
"chemistry hacks"
] |
[
"el",
"electroluminescent",
"inductor",
"jeri ellsworth",
"phosphors",
"wire"
] |
[youtube=http://www.youtube.com/watch?v=3RKBGxJJmwg]
[Jeri Ellsworth]
adds electroluminescent wire to the list of things she makes
. The materials list is incredibly low. The common components are epoxy coated magnet wire for the center conductor and bare wire for the second conductor. The part you don’t have on hand is phosphors, although she does link to a source.
The bad news: she doesn’t show us the build process or share the details about the inductor that fires this thing up. The good news: in-depth videos are on the way. In the mean time you can marvel in her glowing success at the end of the video, or check out some of
her other electroluminescent fun
.
| 43
| 43
|
[
{
"comment_id": "168921",
"author": "Tom",
"timestamp": "2010-08-15T20:16:14",
"content": "There is a green pixel in the video. I though my monitor was going bad.BTW : This is awesome.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168923",
"author": "zeropointmodule",
"timestamp": "2010-08-15T20:21:21",
"content": "this is amazingly cool :-)interesting idea Jeri, have you considered using some conductive thread in place of the ECW, it would increase the flexibility manyfold.also, i wondered about spin coating the thread on a jig with some sort of insulating plastic such as car automotive sealant (good to a couple KV or so) etc.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168928",
"author": "fuzvulf",
"timestamp": "2010-08-15T20:25:35",
"content": "Fantastic Hack, build process, etc.. would be a plus but its like Willow from Buffy turned Geek so I guess that makes up for it. >_<",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168931",
"author": "Mike",
"timestamp": "2010-08-15T20:39:24",
"content": "One time, in band camp, we made EL Wire.Very cool, nice work. Begs for a more detailed writeup/vid.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168933",
"author": "Hirudinea",
"timestamp": "2010-08-15T20:46:19",
"content": "Big deal, if I want some EL wire I just rip the nichrome out of my toaster, hey its Electro and Luminescent isn’t it?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168938",
"author": "biozz",
"timestamp": "2010-08-15T21:21:31",
"content": "any one else strangely drawn to that green dead pixel?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168939",
"author": "ejonesss",
"timestamp": "2010-08-15T21:28:17",
"content": "“Currency of Burning Man” ?you mean that we can use el wire as money to pay to get into the burning man contest or if we win we get paid with el wire instead of real money?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168945",
"author": "bothersaidpooh",
"timestamp": "2010-08-15T21:48:41",
"content": "heh, this gives me a 1337 idea. get some enamelled copper wire and using two out of phase CCFL transformers and drivers run with a differential frequency of 300 Hz make a OAUGDP “plasma” panel.i think jean-louis naudin did this on a model aircraft but the drag reduction is only a few percent at best, better used for flight surface control… :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168952",
"author": "zing",
"timestamp": "2010-08-15T22:26:18",
"content": "She just made it yesterday, on her live webcam. What I saw of it, it didn’t look too hard. Water, EL powder, and wire. Shake and bake.Whats neat is the wire is finer gauge than the commercial stuff and, if you multistrand it, could possibly last longer in certain applications(like clothes).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168959",
"author": "stol24",
"timestamp": "2010-08-15T22:49:34",
"content": "@biozz Do you mean there was something else apart from the dot going on ??@incognito53 fapaday.comwhat is the lifetime of such wires though ?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168971",
"author": "sneakypoo",
"timestamp": "2010-08-16T00:04:41",
"content": "Is there any way to get rid of the annoying whine that these things produce? I have some of this stuff in a drawer somewhere together with a small driver, and I remember that the whine drove me absolutely insane and thus it ended up in the drawer…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168973",
"author": "Frogz",
"timestamp": "2010-08-16T00:14:35",
"content": "whos with me in saying Jeri Ellsworth is the new keri byron for hot shegeeks?not that keri isnt still hotawesome hack, why not mix some acetone, goop glue and phosfer into a thin watery paint?i need some nichrome wire… that stuff is fun",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168989",
"author": "TheOtherOne",
"timestamp": "2010-08-16T01:02:32",
"content": "It would be interesting to see how well this technique could be used to manufacture custom displays. General idea would be to use a double-sided copper-clad PCB and etch your graphics/segments on one side with the power routing done on the opposite side with through-hole plating or such. Use a thin layer of shellac or spray acrylic to coat the etched graphics and when dry spray a coating of phosphor over that. Put a fine wire mesh over the phosphor to act as the other plate of the capacitor, then sandwich the whole thing with glass (using a cheap photo frame, for example.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168993",
"author": "squidarthur",
"timestamp": "2010-08-16T01:16:03",
"content": "i really wish half the comments on this awesome hack weren’t about the attractiveness of the hacker. HAD commenters: i am srsly dissapoint.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168997",
"author": "octel",
"timestamp": "2010-08-16T01:43:05",
"content": "@fuzvulf, @incognito53wow let’s immediately sexualize a person giving engineering advice on a hacking website!and nerds wonder why there are so few women in the sciences — it’s because of all the creepy sexually frustrated goons pawing at anyone with XY chromosomes",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169000",
"author": "pelrun",
"timestamp": "2010-08-16T01:50:14",
"content": "@sneakypooPut some hot glue or silicone goop around (and underneath) the transformer in the driver, that should dampen the whine down a lot.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169005",
"author": "angg",
"timestamp": "2010-08-16T02:11:40",
"content": "Same video, but Jeri just added it to the Instructables EL wire contest.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169011",
"author": "David",
"timestamp": "2010-08-16T02:32:28",
"content": "My comment had nothing to do about her attractiveness. It had everything to do with her being brilliant.For the rest of everyone’s sake, I’m happily married to a brilliant young woman already.The rest of you are trying to comprehend what Jeri accomplishes with every post, but I’m pretty sure she’s on a completely different level than most of the people here. In fact I would put money on it.@ Octel- How about you shut up?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169018",
"author": "Robert H.",
"timestamp": "2010-08-16T03:15:08",
"content": "Very nicely done….an excellent presentation and an interesting topic. While I probably won’t try it, I’m appreciative of those that take the time to do it…..and teach. Thanks",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169024",
"author": "reklipz",
"timestamp": "2010-08-16T03:46:43",
"content": "The whine referred to in an earlier post, and that heard in the video, comes from the inductors in the drive circuitry. Encasing the inductors in some sort of epoxy or other liquid->solid compound should quiet them nicely. I wonder if the EL wire itself, with the helical wrap she shows here, produces any audible noise, :).By the way, I love how she makes these excellent drawings to convey her design and ideas, and then tosses them away as though they are pieces of scrap. If a drawing like that came from my hand, I would be babying it in a plastic sleeve rather than throwing it on the floor, :P.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169045",
"author": "Tech B.",
"timestamp": "2010-08-16T05:05:32",
"content": "I believe she is using a disposable flash camera circuit to drive the wire. Which can be found for free at places that develop them. Good source of AAA and AA batteries to.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169048",
"author": "Tachikoma",
"timestamp": "2010-08-16T05:08:05",
"content": "I wonder what’s the max length you can make using this method. I’d imagine the luminosity would drop towards the far end of the wire, if it’s long enough.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169049",
"author": "Osgeld",
"timestamp": "2010-08-16T05:14:58",
"content": "heh, all it takes is a cute redhead with a HV power supply to get you all frothyrule number 1, dont go for someone who can out nerd you on your favorite subject, and you know she can, cause who else here fabs their own IC’s",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169061",
"author": "octel",
"timestamp": "2010-08-16T05:40:50",
"content": "hey HaD editors, i thought you are modding the comments to curb racist and creepy sexist shit?or i guess hackaday finds these comments acceptable?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169063",
"author": "Richard",
"timestamp": "2010-08-16T05:45:14",
"content": "“anyone with XY chromosomes”? Wouldn’t that make her male? Or am I confused? I’m an electrical engineer, not a biologist.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169066",
"author": "Devlin",
"timestamp": "2010-08-16T05:59:00",
"content": "A human with an X and a Y chromosome is considered male. Just thought I’d point that out.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169072",
"author": "Dane",
"timestamp": "2010-08-16T06:54:01",
"content": "Wow, that’s really cool. And approachable. I think I’ll give that a shot when I’m a little less busy. I’m sure my daughters would love to have their names glowing above their doors.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169099",
"author": "James",
"timestamp": "2010-08-16T08:48:38",
"content": "Physical attraction is entirely normal and acceptable, why shouldn’t someone mention someone is attractive, regardless of sex. It’s only a problem if it’s held in higher regard than any of their other abilities or assumed to be their only worthy attribute. She’s obviously smart, and obviously attractive – that’s fairly acceptable, no?I think some people on here are over-sensitive, and others are not quite as tactful as they could be. That’s life in general.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169106",
"author": "Glen",
"timestamp": "2010-08-16T10:37:21",
"content": "Sorry iof this isa daft question but,Having trouble sourcing phosphor powder in the UK however there seems to be loads of people selling fluorescent paint powder on Ebay. is this the same sort of thing ?If not would it work instead of phosphor ?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169107",
"author": "Glen",
"timestamp": "2010-08-16T10:38:36",
"content": "..and what about Luminous paint. could you use that as a coating ?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169116",
"author": "David",
"timestamp": "2010-08-16T11:59:39",
"content": "@Octel – I haven’t lived at home for 12 year’s, and yet you still bow so low to use Ad Hom. I do have a Life, and that’s exactly why I can take a joke. Also, having been one of the longest viewer’s of this site, I can tell you nothing I have typed out here is against common etiquette.A note to everyone who will read this. Without people like Jeri being posted on this site, it would have died quite a long time ago, because as some of us already know. HAD has always been in the red.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169139",
"author": "Pouncer",
"timestamp": "2010-08-16T14:36:07",
"content": "Very cool, I had considered EL wire for backlighting on a laptop keyboad, but it’s too thick. But if I could make my own, and keep it thin then it’s certainly a possibility. Thanks Jeri and HAD for posting! :)also my eyes kept gravitating back to that green pixel. lol",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169141",
"author": "osgeld",
"timestamp": "2010-08-16T14:44:19",
"content": "you can get EL in really thin diameters, you just have to look harder for it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169142",
"author": "David S",
"timestamp": "2010-08-16T15:03:24",
"content": "This is way too cool. I wish there was a way to create individually addressable segments of el wire to create something like those nixie tube VI meters.It would seem like the ability to modify the wire at this level would put us well on the way.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169163",
"author": "therian",
"timestamp": "2010-08-16T16:59:09",
"content": "now we need tutorial on home made phosphors",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169169",
"author": "willy",
"timestamp": "2010-08-16T17:14:35",
"content": "I noticed that the wire she used was pretty short, but it looked bright, would it get dimmer if the wire was say a few feet long?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169176",
"author": "barry99705",
"timestamp": "2010-08-16T17:46:40",
"content": "@ willyDepends on the driver. EL wire will work just plugging it straight into the wall as well.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169304",
"author": "Pouncer",
"timestamp": "2010-08-17T00:38:51",
"content": "@osgeldGood to know. I actually didn’t look at all, I made a silly presumption that EL wire was one size only. Thanks",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169476",
"author": "m@",
"timestamp": "2010-08-17T08:12:35",
"content": "I’d love to see if the phosphorescent dye in glow sticks would work to replace the lab phosphors she’s using.I seem to have a bunch of spare clear heat shrink tubing about. That might be ideal for coating the makeshift EL wire. That, or the clear spray tool dip you can find at Home Depot.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170038",
"author": "bothersaidpooh",
"timestamp": "2010-08-18T23:18:51",
"content": "yeah, clear heatshrink should work..interestingly making ZnS:Cu at home is feasible but you need a source of zinc sulphate (made from zinc and sulphuric acid) and hydrogen sulphide (which is highly toxic and flammable!!)however it does work if you can’t get the phosphors directly.Supposedly you can also use ground up luminous glow stars or paint, making sure it is the infrared quenched sort not the newer Sr2AlEuO5.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172336",
"author": "afreeland",
"timestamp": "2010-08-23T04:02:35",
"content": "Glad to see someone taking a little of the mystery out of EL wire. Definitely going to have to try this out sometime. Would love to see how to make EL sheets as well!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172665",
"author": "Heatgap/Ho0d0o",
"timestamp": "2010-08-24T03:46:54",
"content": "I know now I’m not the only one that thought they had a dead pixel! Lol! We all made a new tab to check and see if it was real! Dammit!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172846",
"author": "Oscar",
"timestamp": "2010-08-24T16:30:34",
"content": "wow, is very good. and, the girl is so cute :)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.309914
|
||
https://hackaday.com/2010/08/15/more-car-audio-input-hacking/
|
More Car Audio Input Hacking
|
Mike Szczys
|
[
"digital audio hacks",
"ipod hacks"
] |
[
"audio",
"car",
"cassette",
"deck",
"head unit",
"ipod",
"pic"
] |
[Dave] pulled the head unit out of his dashboard to
add an iPod input
. He took a much more invasive route than
the other hack we saw
a few days ago. He actually patched into the audio lines going from the Dolby reader head chip to the amplifier.
The first step was to trick the deck into thinking it had a cassette inserted. He scoped an enable pin on one of the chips to discover the timing and emulated that signal using a PIC microprocessor. From there he popped off the chip that reads the tape data, patching directly into the audio out traces. This presented some noise issues when charging the iPod but [Dave] fixed that with some decoupling capacitors.
| 19
| 19
|
[
{
"comment_id": "168892",
"author": "Brennan",
"timestamp": "2010-08-15T18:09:24",
"content": "That is just TOO COOL. Great job man!!! Truly the definition of a hack!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168893",
"author": "andrew",
"timestamp": "2010-08-15T18:11:50",
"content": "This is so awesome, all these aux input hacks are inspiring me to finally do something about the failing CD player in my Mazda Protege.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168905",
"author": "Jack",
"timestamp": "2010-08-15T18:35:36",
"content": "Lindstrom wire cutters are the best!!Oh and good job by the way :) it’s always nice to see a simple but effective hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168915",
"author": "vonskippy",
"timestamp": "2010-08-15T19:41:25",
"content": "Very sad that his work bench got destroyed by a hurricane.Is there a “save the workbench” foundation set up to take donations?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168948",
"author": "hawkeye18",
"timestamp": "2010-08-15T22:10:12",
"content": "Wow, he didn’t hack that head unit – he made it his bitch. Very nice!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168961",
"author": "Eric",
"timestamp": "2010-08-15T23:09:59",
"content": "where were thess input hacks 5 years ago when i needed them?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168963",
"author": "Ryan",
"timestamp": "2010-08-15T23:25:51",
"content": "Wow, looks just like my work bench.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168975",
"author": "George Johnson",
"timestamp": "2010-08-16T00:18:37",
"content": "Yeah, I was going to ask if that was indeed a pair of Linstrom cutters down there in the lower right hand corner. Fantastic cutters! Will last a ligt time unless you seriously abuse them.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169012",
"author": "Hitek146",
"timestamp": "2010-08-16T02:39:07",
"content": "Holy shit, I can’t believe how much those Lindstrom cutters cost! When I was with TI, they supplied me with an awesome set of cutters similar to this, but with a black tapered steel flush-cut head, hard green squarish(in cross-section) handles and a golden(if I recall correctly) silk screened logo, of which manufacturer I don’t remember, but wish I did!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169016",
"author": "Hitek146",
"timestamp": "2010-08-16T02:57:41",
"content": "Hmm… Searching a little, the molded grips looked similar to the Velleman VT100 cutters(but with a flat, not glossy, finish). Unlike the Velleman cutters, though, the ones I had were not the stamped-steel type, but the milled-steel type, with a head similar to the head on the Lindstrom. I can’t believe that Google is failing me here… :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169017",
"author": "Steve",
"timestamp": "2010-08-16T03:09:04",
"content": "My work bench looks WAY worse then that! Cut him a break.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169074",
"author": "cde",
"timestamp": "2010-08-16T07:08:03",
"content": "If you could find the datasheet for the tape deck control IC, it would be simple to take over the builtin controls without modifying the front buttons without the hacking he had to do.As for using a pic, if it’s just a delayed enable, wouldn’t using a large enough capacitor work as well?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169108",
"author": "Marto",
"timestamp": "2010-08-16T10:43:53",
"content": "mmm… Lucas aids. The drink of gods",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169122",
"author": "strider_mt2k",
"timestamp": "2010-08-16T12:37:27",
"content": "A messy workbench is a loved workbench.-and this one isn’t even that messy. ;)(not to imply that it isn’t loved)I’m a Snap-On man personally, but any fine quality tool is worth having when you work with them and take your work seriously, especially if you spent any time at all getting along with um, shall we say…LESS than fine quality tools.The hack? It’s awesome.I’d do the same thing if I still had a cassette player.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169123",
"author": "fartface",
"timestamp": "2010-08-16T12:46:57",
"content": "Old hack. Guys have been doing this to stock and other stereos for a decade now.Most everyone in car audio circles knows about this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169218",
"author": "Alex",
"timestamp": "2010-08-16T20:11:52",
"content": "errr…. wouldn´t it be simpler and easier just to make a cable and connect to the AUX port behind the stereo?? Than having all this trouble for doing something with exactly the same result??",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169259",
"author": "Farris",
"timestamp": "2010-08-16T22:11:25",
"content": "Alex, not all stereos have AUX inputs on the back.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169956",
"author": "Alex",
"timestamp": "2010-08-18T18:41:05",
"content": "good point, sorry didn´t think of that…… noob comment of mine.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "382532",
"author": "Jordan",
"timestamp": "2011-04-19T02:01:32",
"content": "Hey, I just remembered seeing this and feeling left out. I know this is old to be posting on, but maybe this will help someone else out :). I have a 2004 Subaru, and as some of you may know Subaru wasn’t too keen on the idea of AUX jacks until around 2007. I found a way to cut into the FM traces and have a fully functioning head unit with an AUX jack and no stupid “noiseless Blank cd” playing.Heres a linkhttp://electronicsjunk.com/index.php?option=com_content&view=category&layout=blog&id=35&Itemid=60",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.064565
|
||
https://hackaday.com/2010/08/15/new-nook-says-no-root-for-you/
|
New Nook Says: No Root For You!
|
Mike Szczys
|
[
"Android Hacks"
] |
[
"b&n",
"Barnes & Noble",
"ereader",
"Nook",
"root",
"sd"
] |
That is a blurry image of a Barnes & Noble
Nook eReader stuck in an infinite reboot loop
. This is the result of trying to downgrade the firmware to 1.0 in preparation to
soft-root the device
. So after a few failures the device will recover itself, right? It doesn’t look that way. No problem, don’t you just pop it open and
re-write the OS to the SD card inside to do a hardware root
? Nope, it looks like the newest hardware revision has replaced that convenient SD card with a memory chip.
For now it’s a brick, but we’re sure there will soon be a way to fix this. A bit of solder, some wires, and a reflash should work much in the same way
an EEPROM recovery
does. That is, if you have an original image to work with.
So for now, be careful not to attempt to root your nook if the serial number starts with 1003.
[Thanks Ken]
| 47
| 47
|
[
{
"comment_id": "168865",
"author": "Henrik Pedersen",
"timestamp": "2010-08-15T16:17:54",
"content": "What I hate about this is when you buy hardware, you expect to own it. This is just like Apple products. “If you can’t hack it, you don’t own it”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168866",
"author": "Brian",
"timestamp": "2010-08-15T16:24:11",
"content": "Damn. Glad I got mine at launch then. The sad thing is I was getting the impression they were okay with rooting, since no one has been abusing the 3g and they haven’t put any security measures in the firmware updates.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168868",
"author": "Nemo",
"timestamp": "2010-08-15T16:26:12",
"content": "@Henrik-I agree, but the difficulties placed in your way when hacking hardware like this do make the task more interesting right? Hopefully the day will come when you really do own what you pay for, but in the meantime at least this common business model gives us some good exciting challenges to overcome.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168875",
"author": "MS3FGX",
"timestamp": "2010-08-15T16:58:39",
"content": "Nobody here is against getting their hands dirty with their devices, but in a case like this where the earlier versions were pretty much wide open and there was no abuse of the system, we shouldn’t HAVE to go through that sort of trouble. The hacking community played nice, why can’t B&N?It was refreshing to see a commercial device that was easily moddable for those who wanted to, and stable and easy to use for the general public. Just a shame to see that change. Especially in a case where, frankly, they can use all the sales they can get to compete with the Kindle.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168876",
"author": "TheCitySpiders",
"timestamp": "2010-08-15T16:58:47",
"content": "There is good news; at least you can have physical access to the eeprom and possibly do enhancements like a custom socket or replacing the chip all together with a mcu with multiple firmware images to choose from etc …. it is less of a problem and more of a interesting hardware /software challenge.Which in this case has me seconding Nemo and the article writer Ken have kindly and positively pointed out.I for one think the nook is a waste as a commercial-only web appliance for e-book drivel or the out dated concept like DRM etc.no one really wants to have a half owned device or a service that caters to part ownership of media that once read is now useless unless transferable to another entity…Blah!!any ways I am eager to see what comes of this development.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168877",
"author": "pff",
"timestamp": "2010-08-15T17:09:08",
"content": "Thanks for the heads up, but this wont affect me, i don’t buy shiny crap just to root it then realise i wasted my life because it’s still useless and unnecessary.Seriously, why buy something just to root it? its not like you guys do anything amazing with it anyway. Doing it just to say you did it? Well why are you complaining then? That’s the point no? a puzzle to be solved? It’s no fun in you have to follow a guide to do it that just makes you a looser.stfu with if you cant hack it you don’t own it.you do own it.you own an pos e-reader.if you want an actual computer to do actual computer things with, you should have maybe bought an actual computer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168881",
"author": "jeditalian",
"timestamp": "2010-08-15T17:27:18",
"content": "nice to see them offering something without a 3g plan. i would buy it if it was a little more powerful RAM/GHZ wise, larger, microSDHC, and capable of accepting a nice custom ROM. reading ebooks on my phone really blows and i see the cpu speed is the same, the ram unmentioned, and up to 2gb flash memory, which may or may not be used as RAM as well? sounds like it would suck, besides the battery life which sounds pretty nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168882",
"author": "Caleb",
"timestamp": "2010-08-15T17:30:33",
"content": "someone hads their panties in a bunch.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168883",
"author": "Caleb",
"timestamp": "2010-08-15T17:32:10",
"content": "for someone who this doesnt effect you sure have your panties in a bunch. learn some grammer",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168885",
"author": "Bergo",
"timestamp": "2010-08-15T17:32:42",
"content": "@pffyou do realize you are on “HACK-a-day”, not “buy a commercial product and use it as intended by the manufacturer-a-day”?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168886",
"author": "Caleb",
"timestamp": "2010-08-15T17:34:25",
"content": "now if i could figure out my outdated mobile device id be good to go",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168887",
"author": "jeditalian",
"timestamp": "2010-08-15T17:34:31",
"content": "pff you root shit to make it better. maybe you should buy some unnecessary shit sometime and make it better. i bought some rooting hormone and that shit works wonders, but i didn’t need it at all really, just saw the potential for rooting and bought it and i rooted my tobacco plants so much they got rootbound but they didn’t need rooting, i just rooted them for the hell of it and once i put them in the ground they got gigantic. that is my proof of how rooting shit makes it better.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168888",
"author": "jeditalian",
"timestamp": "2010-08-15T17:37:41",
"content": "where can i find this “buy a commercial product and use it as intended by the manufacturer-a-day”?it sounds AWESOME",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168890",
"author": "Bergo",
"timestamp": "2010-08-15T17:55:37",
"content": "@jeditalianhttp://www.engadget.com, they just have a c-name record for buy a commercial product and use it as intended by the manufacturer-a-day.com",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168900",
"author": "Haku",
"timestamp": "2010-08-15T18:22:19",
"content": "Have to agree on the “you buy the hardware, you own it to do whatever you want with it” ideal, the only device so far I have I want to do an upgrade/fix to is my old Archos AV500, still a very nice unit but the harddrive developed a couple of errors on it just outside of warranty, but Archos are behaving like all the other major companies out there by locking the unit so you can’t replace the drive yourself.I even contacted Archos to try and pay them to replace it but didn’t get a response, this was when the AV500 was still around and still popular.Never intending on buying another Archos device ever again.They’re all bastards.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168903",
"author": "chris",
"timestamp": "2010-08-15T18:32:05",
"content": "“If you can’t hack it, you don’t own it”here here!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168910",
"author": "Razorconcepts",
"timestamp": "2010-08-15T19:11:41",
"content": "Hacking community is like 0.1% of the nook customer base. NO advantage to have an easily hackable device.Oh, and my miceowaves MCU is not open source or flashable, so i guess I dont own it?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168911",
"author": "Razorconcepts",
"timestamp": "2010-08-15T19:14:08",
"content": "Oops, meant microwave, stupid ipad keyboard. Lets all blame apple for it since its all proprietary. RAbble rabble rabble. Rabble rabble rabble rabble!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168912",
"author": "paul",
"timestamp": "2010-08-15T19:18:46",
"content": "Thanks for the heads up. I’ve been dithering over which ebook reader to get, but have been unconvinced by them all. We (the whole family rabble) were literally about to decent on B&N. Rooting this was important to be able to replace the garbage book selection and its atom thick scroll bar.As Haku says above “they’re all bastards”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168916",
"author": "Dennis Booth",
"timestamp": "2010-08-15T19:43:36",
"content": "More junk.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168917",
"author": "pff",
"timestamp": "2010-08-15T19:53:23",
"content": "I know this is hack a day, it’s just that this post is more like I didn’t manage to hack but who cares ill make a post anyway. I think you guys missed my point anyway.@Caleb, i didn’t realise this was grammar a day, and at least i didn’t look like a dick double posting.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168926",
"author": "Ravten",
"timestamp": "2010-08-15T20:24:40",
"content": "@ Haku Nice to see someone else still has an Archos AV500! Archos became so iffy on their product support I’ll never buy another one again. Had the TV+ that crapped out just after its warranty. Tried to get it to do anything else… No luck. It seems they churn something out for a year, support it for less and run. The AV500 is a tough egg to crack. Mine still works. I’ve tried cloning the HDD image to no avail….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168941",
"author": "Jasoman",
"timestamp": "2010-08-15T21:36:41",
"content": "I didn’t start the flame war. But come on guy’s sure this isn’t the best post on hack-a-day. But at-lest it did tell people not to hack it if they had one, and it doesn’t have a Arduino. so it could be worse.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168946",
"author": "Rich",
"timestamp": "2010-08-15T21:59:57",
"content": "Good to know. I am ordering one (likely tomorrow), so I suppose I will wait to root it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168947",
"author": "xorpunk",
"timestamp": "2010-08-15T22:04:04",
"content": "The security on this is weak, someone will get passed this.“If you can’t hack it, you don’t own it”Big corporate manufacturers are just getting started, wait till we see something like PS3 has without the RAM dumping and accessible encryption oracles. It’ll start taking chip hacking. PS3 even in it’s current state is secure from piracy and any custom content. Same for new x360 and old ones on some level.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168962",
"author": "Gilliam",
"timestamp": "2010-08-15T23:12:19",
"content": "a simple answer, and mentioned by those who said “… abuse 3g…”.its just that. i believe it to be locked down so nooks, whch advertise having this free 3g thing, dont become massively banned across all the 3g cellular ISPs due to 3g abuse.basically if you dont like the features or lack of, dont purchase it, get something else. ive come to think this way about the OS wars(except those “my OS is better” zealots can [explitive deleted]); if it doesnt do what you want/need to do, go use something else.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168995",
"author": "ejonesss",
"timestamp": "2010-08-16T01:27:49",
"content": "it is probably a drm thing to prevent being able to extract the books into text form than to prevent running unsigned software",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169036",
"author": "jeditalian",
"timestamp": "2010-08-16T04:35:29",
"content": "did not know the 3g was free. now i could see why you might want one despite its lackings",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169039",
"author": "Ugly American",
"timestamp": "2010-08-16T04:43:12",
"content": "Millions of people bought DRMed music from companies that went under.B&N stock is 1/3 of what it was 4 years ago.Some of the Nook ebooks are as much as $648 on sale.Everyone who buys DRM deserves to get ripped off.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169040",
"author": "Chris",
"timestamp": "2010-08-16T04:49:54",
"content": "I Just bought one today, Had the guy look for an old one, got the last old one with 1002 on it. Lucky me.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169121",
"author": "Queeg",
"timestamp": "2010-08-16T12:36:21",
"content": "@Caleb“for someone who this doesnt effect you sure have your panties in a bunch. learn some grammer”This is rich… three grammar errors and two spelling errors in your rant.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169135",
"author": "chango",
"timestamp": "2010-08-16T14:07:52",
"content": "The s3c6410 boots off of NAND or SD depending on a resistor strapping. There’s an internal ROM that loads a boot block from the chosen boot source into on-chip SRAM and then jumps to it. On the old Nook, the internal SD was the chosen boot source. On this one, the boot device is obviously NAND.If you Nook users are lucky, the boot source select pins are being used as the GPIOs for one or more of the buttons, such that holding the right button during boot will load the bootloader out of the external SD slot instead of on board NAND when the device is reset with the right button held. If not, look for test points that you can poke under the battery cover.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169162",
"author": "xorpunk",
"timestamp": "2010-08-16T16:54:13",
"content": "is the NAND boot block encrypted by ROM loader or something? What’s so hard about this..there isn’t any hardware isolation.I don’t own any of these devices by the way.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169164",
"author": "therian",
"timestamp": "2010-08-16T17:07:13",
"content": "Just stop buying it and all others locked devices, because no matter how good you hack can be it will contribute to this sick and corrupted policy",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169178",
"author": "chango",
"timestamp": "2010-08-16T18:13:48",
"content": "@xorpunk No. On the old models the boot device was a microSD internal to the casing. There was no NAND part. This was great because you could dd the filesystems plus the boot block at the end of the SD card to your PC and be able to rebuild the SD card after any disaster. But when they decided to move to NAND, presumably for cost savings, the default recovery scheme was lost.Nobody has tried looking for JTAG or the boot source select pins yet so not all is lost.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169206",
"author": "xorpunk",
"timestamp": "2010-08-16T19:35:58",
"content": "@chango: even with no source pins or debug interface, it’s still a low bandwidth interface. It probably goes from a application processor directly to NAND, or to a NAND controller then the NAND.Devices like this aren’t really difficult to root unless they use crypto oracles and signed boot chains. Even with just signed boot chains and a locked down bootrom you end up having to find shellcode exploits and leveraging them based on RCE of the dumps.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169232",
"author": "lollercoaster",
"timestamp": "2010-08-16T21:11:56",
"content": "So could a hacked nook be used to get free 3G browsing anywhere with 3G coverage? O:",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169233",
"author": "Ken",
"timestamp": "2010-08-16T21:15:07",
"content": "I submitted the original tip regarding this, there is more information available now for those interested.Not all 1003 nooks are affected, those with 10031 nooks as opposed to 10030 nooks have met with some success while rooting, the in addition to that, the 10031 nooks were running firmware version 1.4.1 as opposed to the 10030’s running 1.4.0. Not enough information for anything definitive still, but take comfort here:if you do still want to try and root it, go right ahead. A few other people and myself who bricked the nook were able to return/exchange it with no problems at all, though going to the store is recommended since they will be less likely to know what you did vs calling the tech guys on their support line.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169253",
"author": "Doppel",
"timestamp": "2010-08-16T21:58:34",
"content": "Maybe this is just a cost-saving measure. A hardwired chip is cheaper than an microSD and a card holder.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169648",
"author": "chango",
"timestamp": "2010-08-17T17:36:10",
"content": "@xorpunk There’s nothing to subvert here. The CPU will boot any NAND or SD device regardless of a signed bootloader. If that fails, there’s JTAG with OpenOCD support for reading, erasing, and programming the usual complement of NAND devices. All it takes is someone willing to identify the right test points or vias.@Doppel You echoed my sentiments exactly. ObHanlon: Never attribute to malice (in business) that which is adequately explained by cheapassedness.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170296",
"author": "Tommy",
"timestamp": "2010-08-19T18:07:54",
"content": "Picked up a new nook last night. SN is 10032 running 1.4.1. Waiting for word, don’t want to have to return it. I’m am a bit peeved they didn’t inform me of the removal of the SD slot. This alone would be grounds for return I guess, since it was a factor in my decision.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170299",
"author": "Tommy",
"timestamp": "2010-08-19T18:09:34",
"content": "Never mind. Just opened it and it does have SD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171833",
"author": "greg",
"timestamp": "2010-08-21T04:55:05",
"content": "@ tommy there used to be 2 micro sd slots one internal and one under the battery cover for extra storage yours no longer has the one inside the unit which the os runs on. DO NOT ATTEMPT to root yours as you will brick it. luckily for me i exchanged mine today for a bad older unit from dec 09 and got a 10030 with 1.4.0 and was able to root it just fine!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "190327",
"author": "Maciej",
"timestamp": "2010-10-04T02:28:12",
"content": "dmnit, I`ve just got a nook, awesome thing,but it is a 1.4.1 with serial starting 1003…and im bit upset that i cant root it. why do i need rooting? well original nook has very shitty library, and having over 200 pdf`s (mostly manuals, but also some regular books) i have to go through all of them just to get one i need. pain in the ass when you have 50 books of the same author… rooted version have a “fix” for that… well lets hope somebody will get to 1.4.1 someday…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "192558",
"author": "Sam",
"timestamp": "2010-10-07T01:05:34",
"content": "You think you have it bad. I have over 1400 books on my Nook. If I hadn’t been lucky enough to root, I would never have been able to find titles I wanted (I tend to read 10-15 at a time). I was ready to switch to Kindle just to get a little file management. I cannot believe B&N has such a crap database system. The first database I used on an Osborne was better than this. Have they learned nothing in all these years??",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "197919",
"author": "tnt23",
"timestamp": "2010-10-16T10:19:10",
"content": "1.4.1 has been successfully softrooted by some Russian hacker:http://nookdevs.com/Rooting_New_Hardware",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "210173",
"author": "",
"timestamp": "2010-11-09T22:46:17",
"content": "Glad to see there’s some progress on the 1003’s as I just got one myself. I’m not good enough to start messing with hardware roots, but will patiently wait until it gets down to a software-only level and gleefully take control of the device I paid for, own, and should damn well be able to do what I want with.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.239596
|
||
https://hackaday.com/2010/08/15/ym2149-gets-new-life/
|
YM2149 Gets New Life
|
Jakob Griffith
|
[
"digital audio hacks"
] |
[
"chiptune",
"generation",
"MCU",
"music",
"sound",
"yama",
"ym2149"
] |
[MicroMinded] took us way back to our childhoods with his
experiments
and subsequent
YMstream music player
based on the Yamaha YM2149 sound generator used in old arcade systems, computers, and even phones (
think
chiptune
). This reminds us of the
Chipophone
, only this time the sound is achieved from ICs used back in the day, rather than MCU waveforms.
There is still some work to be done to make the music player have a bit more functionality, but for now source is available if you want to make your own. Of course you might come across a small problem; finding an SSG is a tad bit more difficult than say, an Arduino. If a good resource is found, please share it in the comments!
[Thank you Andrew Kretschmer for sending in the chiptune mp3s]
| 6
| 5
|
[
{
"comment_id": "168826",
"author": "bhtooefr",
"timestamp": "2010-08-15T14:33:00",
"content": "There’s a few variants of that family.The YM2149 is Yamaha’s version, but it’s a clone of the General Instrument AY-3-891x family. AY-3-8910 should even be pin compatible.And, there’s tons of these chips (the 8910 or the 2149) on eBay.Still, in my opinion, the YM2203 and 2608 are more interesting – derived from the 2149, and code compatible (and, I believe they use the YM2149’s sound generation logic for the SSG channels,) but they add some 4-operator FM channels (three in the case of the YM2203, six in the case of the 2608,) and the 2608 also adds an 8-bit PCM channel. Far rarer, though, especially the YM2608.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168860",
"author": "Jamber",
"timestamp": "2010-08-15T15:40:07",
"content": "This is a complete “homemade” YM2149 player:http://www.tolaemon.com/hplayerBut I preffer SID. Is better than YM2149.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168889",
"author": "svofski",
"timestamp": "2010-08-15T17:44:49",
"content": "SID plz.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169051",
"author": "Osgeld",
"timestamp": "2010-08-16T05:17:40",
"content": "I love the project, but I never go for these old chips, they are hard to find and some people will scarifice a working vintage system just to make some fart noisesits a shame chips like these dont exist anymore they are loads of fun, best we get now is a “like” project based around a MCU more powerful than the computers these types of things were installed in with lots of extra hardware that is designed in these old chips",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169886",
"author": "walt",
"timestamp": "2010-08-18T15:35:02",
"content": "SID is cool but nobody uses it right. they just want to make chiptune nintendo sounds. with a SID! the SID has ANALOG FILTERS which is the SIDs knockout punch! it’s a shame nobody ever uses them right.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8117385",
"author": "Daniel Gooch",
"timestamp": "2025-04-10T14:03:56",
"content": "Except for possibly people who wrote for the Commodore 64 platform",
"parent_id": "169886",
"depth": 2,
"replies": []
}
]
}
] | 1,760,377,388.352783
|
||
https://hackaday.com/2010/08/14/google-maps-wristlet-navigator/
|
Google Maps Wristlet Navigator
|
Mike Szczys
|
[
"Transportation Hacks"
] |
[
"brass",
"direction",
"google",
"maps",
"navigation",
"paper",
"scroll",
"wrist"
] |
This
on-wrist navigation system
uses Google Maps and something called… paper. This is a throwback to scroll-based directions from the 1920’s and 30’s that [Simon] built. He soldered a couple of brass tubes to a brass back plate, then added sides and a face crystal. Now he prints out step by step direction from the popular mapping website and winds them onto scrolls. We’re not sure that we’d take the time to do this, but hey, at least the screen resolution is fantastic and you don’t have to worry about battery life.
| 50
| 50
|
[
{
"comment_id": "168632",
"author": "Jordan",
"timestamp": "2010-08-14T20:03:28",
"content": "It’s streamlined steampunk.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168639",
"author": "l33ThAXOR",
"timestamp": "2010-08-14T20:18:03",
"content": "You dudes are posting too much. Chill out hack a day. This shitznit isn’t even hack. It’s a printout….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168642",
"author": "LazyMegaMan",
"timestamp": "2010-08-14T20:30:39",
"content": "I think it looks cool regardless of the time required to set up the print size and such.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168647",
"author": "Leithoa",
"timestamp": "2010-08-14T20:50:23",
"content": "You could speed things up by using cash register receipt printers and then add a motor to the wristlet synced to the printers feed motors so that it winds as it prints. Then a simple slider cutter when the print is done.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168655",
"author": "Masta Squidge",
"timestamp": "2010-08-14T21:16:31",
"content": "Would be perfect for use on a motorcycle.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168656",
"author": "Choscura",
"timestamp": "2010-08-14T21:17:33",
"content": "interesting idea, a nice solution to a problem that was solved with the advent of roadmaps. I’d make a joke about somebody in goggles and fingerless gloves labeling it ‘steampunk’ because they see brass in the picture, but Jordan already beat me to it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168657",
"author": "Vendeta",
"timestamp": "2010-08-14T21:19:38",
"content": "I’m pretty sure this gadget is aimed at bikers who need directions without power and the glarey screens. I know my dad who ride his bike all across north america would love something like this. just set from start to finish and turn it in reverse to get back. I will actually email him this :P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168658",
"author": "bolke",
"timestamp": "2010-08-14T21:28:19",
"content": "Vendeta, turning back won’t work, unless left and right get turned around as well.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168661",
"author": "CutThroughStuffGuy",
"timestamp": "2010-08-14T21:36:05",
"content": "Using modern technology to produce an inefficient and impractical device is kind of absurd. I like the thought process and care that went into it but seriously…. I don’t get the appeal.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168663",
"author": "SomeGuy",
"timestamp": "2010-08-14T21:45:57",
"content": "Looks like it could be expanded upon to use with e-paper or a display with the bars doing a scroll, add a usb connection and upload the text file.. then we’ve got some really cool stuff going on.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168664",
"author": "Vonskippy",
"timestamp": "2010-08-14T21:51:43",
"content": "Seems like a lot of work – it was easier for me to just get a wife and hand her the printouts. She loves telling me where to go anyways, plus she has a really sultry voice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168665",
"author": "Biker",
"timestamp": "2010-08-14T21:57:06",
"content": "@cutthroughstuffguyThis is awesome for someone on a motorcycle. I bought a tank mounted map holder for this for 75 bucks, then printed maps and put in it.It worked,but had a few glitches. I could not change pages while riding, and after a bit in the sun the clear plastic was hard to see through. Ever try to mount and wire a gps to an older bike? What happens when you get stuck in the rain? byby GPS. Not to mention having a wire hanging off your bike even when your not using gps, and maybe your charging system is a little weak on your older bike.This is perfect.Funny when people label things absurd because it does not solve any of their problems.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168668",
"author": "AK",
"timestamp": "2010-08-14T22:20:49",
"content": "I think a cool step (at least for cars), make a simple projection HUD on your windshield. You could even scroll manually if you had to – keeping your eyes on the road and not having to focus from wrist to road constantly.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168669",
"author": "CutThroughStuffGuy",
"timestamp": "2010-08-14T22:22:19",
"content": "GPS Voice fetish?At the vagina, make a u-turn and proceed to the nearest exit.The jokes, they write themselves.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168673",
"author": "Michael Bradley",
"timestamp": "2010-08-14T22:35:48",
"content": "I love it! I print out directions all the time. I use to put in plastic sleve and tape to my gas tank on the motorcycle.thumbs up from me.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168680",
"author": "M4CGYV3R",
"timestamp": "2010-08-14T23:28:33",
"content": "These things are older than the internet(both the original device and the re-realized concept of it) and have no place here.I should fill a Pringles can with fortune cookies with one step of the directions on each fortune in order. I think it would be just as easy to use while on a motorcycle.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168683",
"author": "Paul Potter",
"timestamp": "2010-08-14T23:34:27",
"content": "Simple, effective, and very nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168684",
"author": "Mike Szczys",
"timestamp": "2010-08-14T23:35:22",
"content": "@l33ThAXOR: I disagree. Google Maps isn’t really meant to be used this way. So it is a hack, see?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168686",
"author": "Patrick (not the right-wing one)",
"timestamp": "2010-08-15T00:03:36",
"content": "Geez, what a bunch of small-minded fools. So it doesn’t appeal to you…why do you feel the need to crap all over someone else’s ideas? Just move along and quite being so negative.I think it’s a neat concept. Maybe not the best solution for a car, but would be great on a bike.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168687",
"author": "Ben Wright",
"timestamp": "2010-08-15T00:03:43",
"content": "@mike Im pretty sure google maps are ment to be printed and read. I don’t know what you do with your goggle maps?? I can see why you would go through all the trouble/ time if you were on a motorcycle. I would of just strapped an iphone in the wrist – good to go. It lookes like he re typed the directions to save paper.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168688",
"author": "Patrick (not the right-wing one)",
"timestamp": "2010-08-15T00:04:02",
"content": "*quit*",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168689",
"author": "chippy",
"timestamp": "2010-08-15T00:10:41",
"content": "meh,Stay on Target",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168704",
"author": "Jak_o_Shadows",
"timestamp": "2010-08-15T00:44:29",
"content": "Ah, but what happens when the mighty google is wrong? Happenned to me once, i drove for an extra half-hour before realising it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168716",
"author": "stol24",
"timestamp": "2010-08-15T01:35:28",
"content": "Do you ever get bored with the OMG_THIS_IS_NO_HACK comments?I certainly don’t ! Guys getting trolled by HAD is priceless.!As for the contraption, it is just a printout holder/scroller and seems a nice one at that. It is better than having random prints floating around the seats of a car and lazy people don’t use maps.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168718",
"author": "Osgeld",
"timestamp": "2010-08-15T01:52:15",
"content": "back in my day we used to print our google maps!seriously how long is a typical direction list from google maps, I guess the precious generation are too good to roll up less than a foot of paper",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168730",
"author": "M4CGYV3R",
"timestamp": "2010-08-15T03:25:35",
"content": "Two words: Receipt Printer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168741",
"author": "steven-x",
"timestamp": "2010-08-15T04:44:22",
"content": "I like it. Excellent workmanship. This would be a great “instructable”. Those who don’t like it miss the point (beside the obvious motorcycle application) that things like this can inspire similar projects, or at least teach building techniques.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168743",
"author": "gezepi",
"timestamp": "2010-08-15T05:42:40",
"content": "I think it’s awesome.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168747",
"author": "jeditalian",
"timestamp": "2010-08-15T06:42:24",
"content": "well if you didn’t have a cellphone..if you DO happen to be one of the lucky few that own such a device, here’s an awesome hack: text message to 46645: To (your destination) From (where you want to begin) no parenthesis needed.. your destination and starting point can be: Zipcode; city, state; complete address;simple, practical.. you can text when you don’t have enough battery power to make a voice call, or use the internet.perhaps you could hack the ol’ gameboy printer up to your cell, so you could print new directions on the go :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168748",
"author": "Mr. N. Required",
"timestamp": "2010-08-15T06:47:59",
"content": "The e-paper idea with scroll was the first thing that came to mind to me, too.That said, I would not want to have a large piece of metal fixed to my wrist in the event of an accident. During WWII a US watch band manufacturer came up with a stainless steel band to replace the issued canvas strap that was normally supplied on USAAF pilot’s hack watches. The reason was that in the Pacific theatre the canvas bands quickly broke due to rotting from the humidity. It turned out the steel straps were worse because they badly cut up the pilot’s wrist in a crash.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168749",
"author": "jeditalian",
"timestamp": "2010-08-15T06:59:07",
"content": "theres another thing you can do with a printer and that substance you call ‘paper’: nano cheatsheets! lol i printed off one 8.5×11″ sheet of ‘paper’ full of these nano cheatsheets.. approximately the size of 2 postage stamps, or the game genie book for gameboy. i didn’t really need or use them because once you spend the time and effort making a cheat sheet the information sinks in.. distributed to the entire classroom and when the teacher found one, it looked like a little piece of paper with lines on it, but he used a magnifying glass and was like dammit and got pissed but he was cool and like nobody could read that shit anyway",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168774",
"author": "strider_mt2k",
"timestamp": "2010-08-15T10:15:31",
"content": "It’s a cool project.Perhaps not a hack, but it didn’t make me all angry and pissy like it did some of you guys.Geesh you guys need thicker skins.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168783",
"author": "Romeo Elhosni",
"timestamp": "2010-08-15T11:00:11",
"content": "I just have to say, good info. i’ve been looking for something like this for a while. can i subscribe somehow to new content? like email subscription or rss feed?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168788",
"author": "hoopycat",
"timestamp": "2010-08-15T11:55:45",
"content": "These sorts of things are often used for RallyMoto (http://rallymoto.com/) events and the like. Unlike “normal” car-based rally, motorcycles lack a passenger seat for a co-driver/navigator. This is a lot more convenient than dealing with the usual spiral-bound route book.This is a very nice build, and “modernizing” it with Google Maps is a very good idea. These things are easier and safer to work with than an unfamiliar nav system or printed maps when driving solo, that’s for sure.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168794",
"author": "Scott",
"timestamp": "2010-08-15T12:40:14",
"content": "This could be improved with arduino.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168821",
"author": "mehville rite",
"timestamp": "2010-08-15T14:18:15",
"content": "This is so cool! I’m glad HAD is lowering its standards so much.I’ve just taped two pencils together and now can write twice as much without sharpening! I’m submitting to HAD! Where’s my polaroid, Mertle?Oh no, wait for the followup post where I sharpen BOTH ends of the pencil and increase efficiency even more!Woot.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168827",
"author": "Patrick (not the right-wing one)",
"timestamp": "2010-08-15T14:38:37",
"content": "@mehville rite:If you tape two pencils together, you’ll have to use a knife to sharpen them, since they won’t fit in a pencil sharpener anymore. I recommend sharpening them before taping them together.Or, you could just stop being a total prick.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168849",
"author": "Khordas",
"timestamp": "2010-08-15T14:55:48",
"content": "Here’s another vote for ‘don’t be a prick’. This is better than some of the stuff that makes the grade here: buying an arduino starter kit, hooking a few prebuilt modules from sparkfun or lady ada onto it and calling it a hack. For the stated application, route finding for motorcyclists, this is pretty slick. You don’t have the spare hands free to punch buttons, it’s too damn windy to hear the sexy ‘turn here’ voice, and electronic gear is nothing but a dangerous distraction while operating a vehicle.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168850",
"author": "M4CGYV3R",
"timestamp": "2010-08-15T15:02:20",
"content": "@PatrickClearly you need to work on your pencil sharpening skills. Didn’t you read his writeup? The pencils are taped with the ends pointing opposite directions so you just sharpen one end then the other. Nice hack, mehville. Let’s see if you can do it with pens!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168854",
"author": "Gottabethatguy",
"timestamp": "2010-08-15T15:16:39",
"content": "So you don’t have spare hands free to punch buttons but you got spare hands free to work small dials with gloved fingers?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168861",
"author": "Word",
"timestamp": "2010-08-15T15:43:56",
"content": "Thank God for the invention of… GPS? lol…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168862",
"author": "steven-x",
"timestamp": "2010-08-15T15:51:42",
"content": "Ok dudes… this is starting to feel like a Mac vs PC discussion. Not every solution works for everyone. That’s called a free market for those who spent their school days drunk or high. You get to decide what works for you. And just because you don’t have a use for something does NOT mean it lacks value to others.As for 2 pens taped together… Been there, done that.I almost feel compelled to build one myself just to piss off all the complainers.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168864",
"author": "gyro_john",
"timestamp": "2010-08-15T15:55:52",
"content": "@Romeo Elhosni:You wrote: “can i subscribe somehow to new content? like email subscription or rss feed?”How I get it every day: I use iGoogle as my home page. There is a HackaDay gadget which shows me a window of the last 6 or so articlesAnd if there’s an article where I really care about what all the other commenters are saying even after I’m done with the article, I can click on ‘Notify me of follow-up comments via email’ and Bob’s my uncle.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168872",
"author": "mehville rite",
"timestamp": "2010-08-15T16:53:40",
"content": "@ Patrick:I’m not crapping on other people’s ideas. I’m crapping on HAD for posting this as a hack. This is a hacking site. Replicating something from the ’20’s and using it exactly like it was intended is not hacking. Now, say, if this scroll was installed inside a motorcycle helmet and had a little scroll wheel you could move with your tongue, that’s a hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168878",
"author": "Rudolph",
"timestamp": "2010-08-15T17:10:41",
"content": "The photo appears to be sitting in his ’78 MGB, where a GPS would just be… sacrilegious.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168884",
"author": "kichimi",
"timestamp": "2010-08-15T17:32:17",
"content": "@BikerThat was the first thing i thought of when i saw it. I needed something like this yesterday! Problem with my bike is not only is it older (so no GPS) but the tank is 7 litres, and not large enough to put a tank mounted map on (without making my own of course, i cant find any small enough). So i have to make do with scraps of paper and lay-by stops every 10 to 20 miles.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169028",
"author": "Ramon",
"timestamp": "2010-08-16T04:03:05",
"content": "The hack isn’t that he printed off paper, its the resurrection of a 90 year old idea and fabricating it himself. This inspired me; I only wish I had the box of brass bits that the author does. I would love to make one for myself, but now I’m trying to source the brass and design the glass window holder. Hell, he even improved upon the old invention by adding the window.Taking something that doesn’t exist any more, improving the design, fabricating it yourself, and making it applicable to modern life is most definitely a hack.If someone will criticize this post, please be so kind as to tell me where to get some brass like this. I’m not being sarcastic, I would earnestly like to know.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169146",
"author": "Masta Squidge",
"timestamp": "2010-08-16T15:13:15",
"content": "How is someone called “M4CGYV3R” talking about this being difficult to use…Talk about epic fail. This would be INCREDIBLY easy to use on a motorcycle. Far easier than a tank mounted pack with a map window…. The only problem is you would probably want to switch hands, as you will have your right hand on the throttle the whole time.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169147",
"author": "Masta Squidge",
"timestamp": "2010-08-16T15:20:03",
"content": "@ mehville riteHacking is a very loose term and does not strictly apply to creating only new and original things that never existed before. And certainly is not limited to electronics.This isn’t “Invention-A-Day”. Grow up, get a life. If you don’t like it, then don’t comment on it. Because frankly you just look like an ass.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169618",
"author": "davo",
"timestamp": "2010-08-17T16:24:19",
"content": "theyve been using this in the Darkar Rally for years…",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.506286
|
||
https://hackaday.com/2010/08/14/hacked-ac-and-ash-filter/
|
Hacked AC And Ash Filter
|
Mike Szczys
|
[
"home hacks"
] |
[
"air conditioner",
"ash",
"fire",
"ice",
"moscow",
"smoke",
"water"
] |
Moscow is in a bit of a hot spot right now, dealing with a heat wave and enormous wildfires. The combination of smoke, ash, and heat was driving Andrew up a wall so
he built a contraption to provide some relief
. It has two chambers, the bottom houses ice water, the top is an air baffle. A small DC fan pumps air into the upper chamber where it encounters the water being sprayed in from the lower reservoir. What results is a heat exchange similar to other
diy AC setups
we’ve seen. But Andrew also notes that after running the device for a while the smell of smoke and ash is gone. Can this setup be seen as an effective way to trap airborne smoke particles?
| 26
| 26
|
[
{
"comment_id": "168594",
"author": "Perkee",
"timestamp": "2010-08-14T18:13:40",
"content": "This is similar to how a scrubber on top of a coal smokestack works; the aerosols get hit by the water and carried out. Rock and roll.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168596",
"author": "amishx64",
"timestamp": "2010-08-14T18:15:06",
"content": "As far as I know, this is what they do in the auto industry for painting cars. The airborne paint hits water particles, and the water is recycled around to collect more paint particles. This is a good method for cleaning the air, but as you can guess, it leaves the water very contaminated.^^ I don’t know much about the process, so if someone can fill in more / correct me, please do so.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168601",
"author": "Hi",
"timestamp": "2010-08-14T18:36:28",
"content": "Please make sure that you refresh the water often, once it starts to contains too much bacteria, you are spreading them like crazy and will only make yourself ill.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168604",
"author": "M",
"timestamp": "2010-08-14T18:41:03",
"content": "Why there’s 2007? Anyway, nice ‘MacGyver’ solution :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168609",
"author": "smokey the bear",
"timestamp": "2010-08-14T18:52:23",
"content": "yes it works great! i built one in my youth to catch pot/cigaratte smoke with 100% effectivness.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168612",
"author": "sariel",
"timestamp": "2010-08-14T19:10:36",
"content": "great idea. should use some sort of a filter to recycle the water and he’d have a self sustaining system.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168613",
"author": "Sanchoooo",
"timestamp": "2010-08-14T19:12:14",
"content": "They keep coming to my door trying to sell me a $2k(US) vacuum cleaner that works on the same principal. The only good way to remove particles from the air is HEPA. Water will work but it’s very inefficient. There have been studies on this.. Google: “Efficiency of smoke removal by charged water droplets”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168615",
"author": "Sanchoooo",
"timestamp": "2010-08-14T19:13:56",
"content": "Sorry..forgot to add.. Great idea. Wonder how well this would work in my garage – here in az.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168624",
"author": "Quin",
"timestamp": "2010-08-14T19:44:41",
"content": "@sanchooooIf the vacuum is the kind I think it is, it doesn’t pipe the air through aerosolized water. I think they pull the air in and mixes it with a partially aerosolized and partially liquid bath. Think more blender than fire extinguisher. Not that those vacs are worth that much, but my parents bought one, way back when, and it still works quite well.That study just showed that charged water particles work better. I didn’t see anything comparing it to other particulate control methods, but I don’t have a log-in on hand either. Still, let’s not tell coal power plants, and chemical factories, that their wet scrubber towers are a bad design.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168672",
"author": "Anthony Malena",
"timestamp": "2010-08-14T22:35:03",
"content": "The ‘swamp cooler’ has been reinvented basically. Hmm.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168712",
"author": "mahoney",
"timestamp": "2010-08-15T01:10:54",
"content": "Awesome idea. Simple solution that yields greater results than anticipated = sign of a great hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168734",
"author": "octel",
"timestamp": "2010-08-15T03:42:08",
"content": "watch out for Legionnaire’s disease",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168739",
"author": "robocat",
"timestamp": "2010-08-15T04:38:15",
"content": "1. grab some highly nucular waste (beta emitter) from workshop2. build device:2a. pass air through nuclear waste2b. pass air between two charged plates2c. use air that passes up center of plates2d. discard air that passes near plates.3. breath clean air (charged particulates removed)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168751",
"author": "jeditalian",
"timestamp": "2010-08-15T07:15:10",
"content": "will smell better if not used for the purpose mentioned by’smokey the bear’ but obviously the intended purpose: the fan blows downward, sucking in the smoke that would normally roll off of the bowl in the time between inhalations, keeping it from floating up and filling the room with an incriminating smell. lol you should look for a non-brass fitting for where the combustion takes place.. but of course the only combustion taking place is in that damned volcano. my apologies.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168775",
"author": "strider_mt2k",
"timestamp": "2010-08-15T10:18:47",
"content": "Interesting hack!Interesting side applications as well.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168801",
"author": "localroger",
"timestamp": "2010-08-15T12:51:08",
"content": "They also use water sprays to suppress dust at urban concrete batching plants so the fine portland cement dust doesn’t annoy the neighbors.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168814",
"author": "jeditalian",
"timestamp": "2010-08-15T13:52:30",
"content": "this is kind of like when i put the water hose on mist and it pulls my smoke away, then when im done i spit the burning remainder into the water jet and it flies away too. except if the cops see this hack you better be prepared for a long explanation because they are very persistent when it comes to things that look like drug paraphernalia.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168815",
"author": "HeBD",
"timestamp": "2010-08-15T14:02:24",
"content": "i beleve they run water over a corse fabric while sucking air through it to scrub the air in automotive spray booths.wet fabric has a larger surface area than falling droplets which also have a tendancy to get blown around very easaly.if u want to realy remove dust u might consider going to an automotive store to get some foam air fillter oil…if your going for evaperative cooling i sugest u add some disinfectant & soap. disinfectant will kill the airborn bactiria that will collect and the soap lowers surface tention making it way easyer for water to evaperate!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168904",
"author": "l33ThAXOR",
"timestamp": "2010-08-15T18:35:11",
"content": "When i look at this i thought i was a superbong XD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169021",
"author": "hackadumpster",
"timestamp": "2010-08-16T03:30:38",
"content": "I have been using a similar setup for my van when parked recently. It works great for keeping the dog safe and happy on trips, and I notice quite a bit of her hair as well as particulate randomness when doing water changes. I run it off a solar panel, and it just kicks on whenever the sun hits.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169026",
"author": "mrklean",
"timestamp": "2010-08-16T03:53:15",
"content": "I am kind of curious how to get a large fine mist out of this. We used to have a pond so I grabbed one of our decent sized pumps and some of the fittings that spray water and couldn’t get anything that seems like it would be effective. I grabbed a shower head looking tip and it was much to thick of a stream and a bubble tip with not providing enough mist action. (like this onehttp://1.bp.blogspot.com/_BsCn0KxpU5o/SnDzbZBtMxI/AAAAAAAAAew/sOBekHjh0dU/s320/bubble-fountain1.jpg)Not sure what to try next as that is all we have. I am trying to build one to remove smoke from the air as my mom is an ignorant chain smoker that will not quit or smoke outside even though I have bad asthma.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169043",
"author": "Tane",
"timestamp": "2010-08-16T05:00:39",
"content": "@ robocat – “1. grab some highly nucular waste (beta emitter) from workshop” I want your workshop! :D And am I the only one that read the description and thought it was meant to be a bong? O.o",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169148",
"author": "salec",
"timestamp": "2010-08-16T15:20:41",
"content": "Perhaps bunch of UV LEDs shining inside “mist generator box” could take good care of bacteria in recirculated water?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169151",
"author": "mbear",
"timestamp": "2010-08-16T15:29:33",
"content": "@amishx64:You’re right and wrong. Theyusedto use a similar process when painting cars. Do a Google Search for “down draft paint booth” and you’ll see what you’re thinking of.The problem was that the water got contaminated by the paint and the EPA said they had to treat it as toxic waste. So they use the same down draft principles with more conventional filters now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169173",
"author": "Whatnot",
"timestamp": "2010-08-16T17:36:00",
"content": "I like how well he does speaking english, when it’s not his own language obviously.@salic for watercooling systems they use a few drops of vinegar I’m told, but that would create an all new smell issue in this setup I guess :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "217148",
"author": "kidbord",
"timestamp": "2010-11-23T15:27:47",
"content": "yeah seems sorta like an ice perk bong xD and for kid w/ asthma a large funnel attachment to it might help…",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.573151
|
||
https://hackaday.com/2010/08/21/vector-plotter-with-lasers/
|
Vector Plotter With Lasers
|
Jakob Griffith
|
[
"Laser Hacks"
] |
[
"cdrom",
"hdd",
"laser",
"plotter",
"speakers",
"vector",
"xy"
] |
[Hubert] sent in
his experiments
using HDDs, CDROMs, speakers, and other components to make an XY laser plotter. Those carefully reading will note, its not all three to make one plotter, but rather three plotters each using a separate system. The setups have their advantages and disadvantages, and [Hubert] is sure to point them out; including circuit diagrams and pictures to help you on your own trials.
There is a little difficulty in reading
English not so good
, but considering we’ve never seen a single-laser vector plotter done before (
spirographs
come close, and no one wants to wait
85 seconds
) it’s still very impressive.
[Thanks TJ]
| 13
| 13
|
[
{
"comment_id": "172010",
"author": "TJ",
"timestamp": "2010-08-21T18:35:40",
"content": "Those weren’t my experiments (but, I did send in the link), I don’t want to be seen taking credit for other people’s work.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172013",
"author": "sneakypoo",
"timestamp": "2010-08-21T18:51:35",
"content": "That e-mail handle is either a deliberate choice or an unfortunate coincidence; “pissa vin” is Swedish for “pissing wine” :P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172014",
"author": "Jakob Griffith",
"timestamp": "2010-08-21T18:57:02",
"content": "@TJ: Wow, I completely misinterpreted your email, thank you for notifying us. (Gave me a chance to fix some spelling errors too – I guess me/our editor’s brains are on vacation today.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172020",
"author": "fluidic",
"timestamp": "2010-08-21T19:15:55",
"content": "Never?Microvision?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172032",
"author": "Bob",
"timestamp": "2010-08-21T20:35:03",
"content": "Hold mouse over the email in the picture. I see what you did thar.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172034",
"author": "tom611",
"timestamp": "2010-08-21T20:56:55",
"content": "The LPT port seems a bit slow for this, I’d think that using a sound card output would give more speed and probably precision, particularly driving the speakers.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172094",
"author": "Brett_cgb",
"timestamp": "2010-08-22T02:10:49",
"content": "I’ve found that the parallel ports on most PC’s (when you can find a PC with one) tend to be rather slow. Especially if you are using something like interpreted BASIC to drive the port. The best I could do with BASIC (many years ago) was something like 500 updates / second. Using C and the standard libraries may also impose a speed limit.Even so, you noticed that the hardware response was greatly affected by the signal frequency – this suggests that some sort of pre-emphasis 9equalization) may be helpfull.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172116",
"author": "jarrod",
"timestamp": "2010-08-22T05:55:04",
"content": "yeah sound card is the way to go i think. there is even softare for generating waveforms from vector images.i have tried this with a couple of hdd arms which sorta works. I think the high pass capacitors on the sound card need to be removed for good results",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172118",
"author": "jarrod",
"timestamp": "2010-08-22T05:59:45",
"content": "also check this out, closed loop diy galvos.. cool stuffhttp://elm-chan.org/works/vlp/report_e.html“control bandwidth of open-loop galvos is limited because it has a resonant frequency determined by rotor inertia and spring constant.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172151",
"author": "Mich",
"timestamp": "2010-08-22T11:44:16",
"content": "Looks like it’s laser week on HaD.Definitely a nifty setup though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172206",
"author": "Osgeld",
"timestamp": "2010-08-22T17:06:39",
"content": "@Brettusing basic was your problem, PP logics analyzers easily hit 1 megasamples on pentium class hardware, when using a parallel laplink cable my 386 laptop can sustain 7mbit a second transfer (1 way)soundcards on the other hand the best your going to hope for is 44-96khz",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172217",
"author": "hubert",
"timestamp": "2010-08-22T18:01:44",
"content": "hi, i am not the hubert from that site.but here is a link to his new site, where you can find more interesting laser experiments.http://spt06.chez-alice.fr/00/lasers.htm",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "304966",
"author": "pogyhauler",
"timestamp": "2011-01-15T03:59:58",
"content": "“Pissa Vin”is also Boston colloquial for:“Well Done Vinny!”",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.629265
|
||
https://hackaday.com/2010/08/21/laser-microscope-projection/
|
Laser Microscope Projection
|
Caleb Kraft
|
[
"Laser Hacks"
] |
[
"dangerous",
"easy",
"lasers",
"quick"
] |
Ok, we’ll start this off by saying, looking at lasers can damage your eyes. Be careful. Now that we’ve got that absolutely clear, we couldn’t help but find this
super quick and dirty laser microscope
fascinating. Basically, they are just pointing a laser through a drop of water suspended from the tip of a syringe. The image of the contents of the drop are projected on a nearby wall. The drop seen in the video after the break was taken from a potted plant and you can see all kinds of life squirming around in there. Just don’t try it with
this laser
.
[via
HackedGadgets
]
[youtube=http://www.youtube.com/watch?v=2aK_a-jr-tI]
| 35
| 33
|
[
{
"comment_id": "171953",
"author": "andrew",
"timestamp": "2010-08-21T14:35:23",
"content": "cool",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171954",
"author": "okay",
"timestamp": "2010-08-21T14:40:13",
"content": "That is awesome! I will be trying this with my <30mW green laser :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171955",
"author": "hmm",
"timestamp": "2010-08-21T14:43:27",
"content": "http://www.youtube.com/watch?v=rWYeA46cvL8Better explanation (Arbor scientific:http://www.arborsci.com/)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171956",
"author": "Orkun Kilinc",
"timestamp": "2010-08-21T14:47:52",
"content": "i did that few years ago with my 200mw DX red laser. just remove the lens, attach thin nice clean glass top of it then put the sample. voila!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171959",
"author": "Firestryke31",
"timestamp": "2010-08-21T15:00:30",
"content": "Why is that cat not wearing protective goggles?! OMG!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171962",
"author": "jamie",
"timestamp": "2010-08-21T15:06:12",
"content": "Thats amazing – there seems to be a microscopic cat in the water droplet! I bet a conventional microscope would’ve missed that…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171963",
"author": "grenadier",
"timestamp": "2010-08-21T15:07:40",
"content": "Wow, You found my website! It’s not done yet :/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171964",
"author": "Finger",
"timestamp": "2010-08-21T15:07:57",
"content": "first off, that is very awesome!second, my favorite part of the video is the cat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171969",
"author": "soopergooman",
"timestamp": "2010-08-21T15:47:29",
"content": "Patent it, put it in a self contained box and sell it as a natural light show for clubs.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171971",
"author": "zeropointmodule",
"timestamp": "2010-08-21T15:54:38",
"content": "yay, another 4hv’er gets on hackaday :-)wonder what would happen if you used a sequentially pulsed RGV laser for this? would be really neat and potentially very useful for on-the-cheap viewing of microorganisms without a bulky microscope..i’d expect that the violet light would stimulate fluorescence in the organisms showing some internal structures..one thing which lasers are good at is pulsing very rapidly, such that an electronic optical blanking system which blocks out the laser pulses but allows everything else through would show any fluorescence. Kinda like CSI:Laser",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "172002",
"author": "draeath",
"timestamp": "2010-08-21T17:39:04",
"content": "@zeropointmoduleYou wouldn’t see the flourescence as that wouldn’t effect the laser beam. Under a conventional microscope yes… but not on a projector.",
"parent_id": "171971",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "171977",
"author": "M4CGYV3R",
"timestamp": "2010-08-21T17:08:48",
"content": "OMG! You found the elusive MicroCat! I’ve been studying microorganisms for years searching for it, and you found it in a potted plant sample!?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171978",
"author": "Andrew",
"timestamp": "2010-08-21T17:14:48",
"content": "The image projected depends on the wavelength of light so an RGB hack may not work well with a long distance to the wall from the sample. It’s called diffraction.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172012",
"author": "Hackius",
"timestamp": "2010-08-21T18:47:48",
"content": "Could this be used as a DIY solution to see if water is safe to drink?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172027",
"author": "D_",
"timestamp": "2010-08-21T20:12:17",
"content": "@Hackius Would be cheaper to use the microscope the old fashion way to look at the water sample, eyeball to the eye piece. Assuming one knows what they are looking for, could recognize it when they see it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172028",
"author": "zool",
"timestamp": "2010-08-21T20:12:21",
"content": "this has been known but still pretty coolthat cat is a scientist",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172036",
"author": "Tiberiu",
"timestamp": "2010-08-21T21:14:33",
"content": "Damn It. I got RickRolled on that site.Nice hack btw!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172047",
"author": "strider_mt2k",
"timestamp": "2010-08-21T22:11:18",
"content": "ALL HAIL LASERCAT",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172067",
"author": "George Johnson",
"timestamp": "2010-08-21T23:23:18",
"content": "I wonder if this should be filed under cat toys or cat entertainment. That cat really seemed to get into this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172069",
"author": "McScrewdriver",
"timestamp": "2010-08-21T23:38:07",
"content": "Brilliant.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172071",
"author": "Bonder",
"timestamp": "2010-08-22T00:13:12",
"content": "@Hackius, Last time I checked, lead and arsenic don’t move. Also, if you checked your tap water, you’d probably find a few things swimming around in there.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172076",
"author": "Old microbiologist",
"timestamp": "2010-08-22T00:46:58",
"content": "Hey way cool But FYI, those are NOT bacteria. They areProtozoans. Cilliates by the way they move, about 50 times bigger than most bacteria. A classic hs ciliate is the amazingParamecium, looks like you and your cat are spying on aboutTwenty of them………. I can’t wait to try this….. ThanksBest tefman",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172107",
"author": "Dan Fruzzetti",
"timestamp": "2010-08-22T04:26:33",
"content": "Really cool, but i’d like to point out that looks like a pretty mean handheld laser device and not just a $5 laser pointer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172115",
"author": "octel",
"timestamp": "2010-08-22T05:28:41",
"content": "i’ll never drink water again",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172117",
"author": "Geeklord",
"timestamp": "2010-08-22T05:58:44",
"content": "My science teacher is so lame… -_-",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172152",
"author": "Voidfest",
"timestamp": "2010-08-22T11:47:45",
"content": "Whoa that is freakishly good stuff.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172190",
"author": "Marvin",
"timestamp": "2010-08-22T16:23:59",
"content": "@Dan FruzzettiThe Website states, that it’s a 250mW Laser…So yes. It’s not a $5 Laserpointer :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172261",
"author": "Triple-H",
"timestamp": "2010-08-22T21:08:46",
"content": "I watched the video and immediately grabbed my cheap regular red laser pointer and tried it out. This works!Now, I know that my drinking water has more stuff swimming in it than my tap water. Also, my eyes feel really weird after looking at the projected image. Do I need any type of goggles when looking at projections made by those common cheapo toy red laser pointers?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172337",
"author": "Tod",
"timestamp": "2010-08-23T04:29:28",
"content": "As a high school biology teacher, I think I can *definitely* use this idea!! I love it. I have a nice, hefty laser donated to me by a university instructor (red, not green… it shouldn’t matter too much).But just to be clear: This is just a laser shining through a hanging drop of water, right? It’s nothing more than the refraction of light through water and the geometry of the drop that causes the full-wall (and partial ceiling) display. Is that correct?Also, with the laser being diffused that much due to all that diffraction, how much danger is there looking toward the display? (Obviosly not toward the laser source.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172353",
"author": "grenadier",
"timestamp": "2010-08-23T05:17:12",
"content": "^^^Not much danger.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172659",
"author": "Steven",
"timestamp": "2010-08-24T03:06:05",
"content": "I spend a lot of time swimming laps at night, and what I’m about to tell you has happened to me twice. Basically, I was not using goggles, and I got some drops of water on my eyelashes in such a way that I could see strangely-shaped animated forms moving about and swimming across my vision. They looked much like the ones in the video, but I could only see them if I angled my head just right in relation to the bright lights pointed on the pool from a nearby building. This confirms the possibility of water magnifying something so small and making it visible with just a drop and a light source. Very interesting Thanks!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "394484",
"author": "critic",
"timestamp": "2011-05-15T13:58:41",
"content": "Old microbiologist above writes about ..http://en.wikipedia.org/wiki/Protozoa“The most important protozoans range usually from 10 to 52 micrometers, but can grow as large as 1 mm, and are seen easily by microscope.”Cilliates (about 50 times bigger than most bacteria)http://en.wikipedia.org/wiki/Ciliatehttp://en.wikipedia.org/wiki/ParameciumAs a male, I was wondering if 1 µm could be achieved to have a look athttp://en.wikipedia.org/wiki/Spermatozoon“In male humans, sperm cells consists of a head 5 µm by 3 µm and a tail 41 µm long.”Here’s someone who shines a focused beam through semen:Transmission Interferogram of Seminal Fluid:http://www.youtube.com/watch?v=ewWhc2gw6rgRelated, here is another approach to a laser projection microscope:http://hackaday.com/2011/03/02/a-different-take-on-a-laser-projection-microscope",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "484555",
"author": "Stone",
"timestamp": "2011-10-19T21:33:08",
"content": "This isn’t news to anyone with strong myopia – what you’re seeing projected on the wall is what we see with glasses removed when looking at a point source of light against a dark background.Yes, there are all kinds of weird stuff floating around on the surface of your eyeballs.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3785491",
"author": "floz",
"timestamp": "2017-07-18T13:48:15",
"content": "No kidding. Here’s to taking off the old spectacles for any surface-mount soldering, too!",
"parent_id": "484555",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "6028533",
"author": "eDude",
"timestamp": "2019-03-28T03:17:07",
"content": "If you are a bit of a software programmer and photographer, you can photograph the image and use a software algorithm to filter the moire pattern and focus on any depth of the image. In essence what you are projecting using this cool experiment action is a flat hologram. I remember searching the Internet once to see if a DSLR camera can capture holograms using a laser and came across an article of an experiment done by a University student. Unfortunately I cannot find a reference to it right now except for this linkhttps://www.google.com.au/url?sa=t&rct=j&q=&esrc=s&source=web&cd=10&cad=rja&uact=8&ved=2ahUKEwi2ttOg76PhAhXYXCsKHRO9CzEQFjAJegQIABAC&url=https%3A%2F%2Fme.jhu.edu%2Flefd%2Fshc%2FLPholo%2FDigital%2520Holography%2520using%2520a%2520Laser%2520Pointer%2520and%2520Consumer%2520Digital%2520Camera.pdf&usg=AOvVaw0yBz15y6_j7yytu1P7JHwBI tried contacting the guy to get the software, however he does not respond to emails at the address provided. If anyone has the software, please post a link here.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.704039
|
||
https://hackaday.com/2010/08/20/electric-motorcycle-rocks-one-wheel/
|
Electric Motorcycle Rocks One Wheel
|
Mike Szczys
|
[
"Transportation Hacks"
] |
[
"balancing",
"motorcycle",
"one wheel",
"ryno motors",
"segway",
"unicycle"
] |
We had to call it an electric motorcycle in the title because electric unicycle just sounds lame. But the video after the break shows you that
this prototype is anything but lame
. It takes minimalism to the extreme when you’re talking about powered transportation. The self-balancer is reminiscent of a Segway but the rider sits astride one wheel rather than the standing form-factor that [the Woz]
loves so much for gaming
. Looks like
Ryno Motors
is trying to gather capital to put these into production. We’re not going to hold our breath until we see them in the wild, but we’d be surprised if they don’t pop up on the big screen at some point in the near future.
[youtube=http://www.youtube.com/watch?v=wBgt0wj3Hzk]
| 60
| 50
|
[
{
"comment_id": "171731",
"author": "Anonymous",
"timestamp": "2010-08-20T21:38:54",
"content": "“How fast can it go?”“20”Stopped watching right there.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171732",
"author": "chango",
"timestamp": "2010-08-20T21:40:30",
"content": "Between this and the 1W handheld laser, I propose HAD start a feature called “Danger Fridays”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171733",
"author": "pilotgeek",
"timestamp": "2010-08-20T21:41:25",
"content": "Hey well he’s wearing a helmet so you guys can’t have your typical whine-a-thon.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171734",
"author": "svofski",
"timestamp": "2010-08-20T21:43:13",
"content": "@chango lmao",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171738",
"author": "Colecago",
"timestamp": "2010-08-20T21:46:11",
"content": "In the video he isn’t",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171739",
"author": "M4CGYV3R",
"timestamp": "2010-08-20T21:46:11",
"content": "It’s like a high-powered Segway and a unicycle got it on…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171740",
"author": "gordon",
"timestamp": "2010-08-20T21:46:48",
"content": "Looks amazing.But what a “face plant” under heavy braking.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171741",
"author": "Brad",
"timestamp": "2010-08-20T21:46:55",
"content": "Give me one of these instead.http://en.wikipedia.org/wiki/Uno_%28dicycle%29",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171742",
"author": "rageahol",
"timestamp": "2010-08-20T21:47:13",
"content": "20 mph top speed with a 30 mile range?try a bicycle.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171745",
"author": "Larry",
"timestamp": "2010-08-20T21:53:27",
"content": "Check this out form PS mag. 2008 inventions of the year. They look very similar.http://www.popsci.com/node/21644",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171746",
"author": "D_",
"timestamp": "2010-08-20T21:54:07",
"content": "The Ryno looks slightly more practical than a Segway for use on the street albeit not by much. A toy for the rich and famous, and a model for hackers to try to duplicate in their home shops. With the self balancing feature, it’s probably no more dangerous that a motor cycle or a slow bicycle. The safety down side is the low visibility to others on the road. How ever those who do see it may cause accidents as they take a second look at it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171747",
"author": "Emerica",
"timestamp": "2010-08-20T22:02:56",
"content": "Alberta won’t legalize a Segway for a sidewalk, let along any roads. This thing gets to go straight to the X-games.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171748",
"author": "gregman_1",
"timestamp": "2010-08-20T22:10:02",
"content": "@chango- let’s not forget the chainsaw-powered flashlight from last week.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171753",
"author": "Nivekian",
"timestamp": "2010-08-20T22:19:46",
"content": "I think I’ll wait for thishttp://www.tuvie.com/wheel-rider-personal-commute-concept-for-yamaha/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171754",
"author": "bzroom",
"timestamp": "2010-08-20T22:24:08",
"content": "How do you steer such a thing? is it simply the radius on the outer tire edge is greater than the inside?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171758",
"author": "Erik Johnson",
"timestamp": "2010-08-20T22:44:22",
"content": "@bzroom I image the same way a unicyclist does, by leaning",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171762",
"author": "Addictronics",
"timestamp": "2010-08-20T22:57:17",
"content": "Monocycle perhaps?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171764",
"author": "Almost_There",
"timestamp": "2010-08-20T23:02:19",
"content": "It’s a darn good thing the Ryno comes with a Windshield so you can use it in the rain! :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171765",
"author": "bzroom",
"timestamp": "2010-08-20T23:02:48",
"content": "Ok maybe i should rephrase, how does leaning alone turn a one wheel vehicle. If not by creating a cone shape from the wheel.Also, i’m pretty sure unicycles do not turn by simply leaning. The rider likely uses his body weight and friction on the tire to torque the system into a new orientation.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171767",
"author": "DerAxeman",
"timestamp": "2010-08-20T23:10:16",
"content": "It would be better if the thing wasn’t restricted to 25mph. Mopeds do 35mph",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171769",
"author": "s",
"timestamp": "2010-08-20T23:16:09",
"content": "ah, the typical hack trolls complaining about safety. I swear, you guys must be industry shills.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171770",
"author": "EdZ",
"timestamp": "2010-08-20T23:17:28",
"content": "Just call it a Tumblebug (http://en.wikipedia.org/wiki/The_Roads_Must_Roll?useskin=monobook).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171778",
"author": "Taylor Alexander",
"timestamp": "2010-08-20T23:40:00",
"content": "As with most of this stuff, Trevor Blackwell did this first. ;)http://tlb.org/eunicycle.htmlNot to say that this one isn’t also awesome! It certainly looks nicer than trevor’s! :)-Taylor",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171793",
"author": "jim",
"timestamp": "2010-08-21T01:22:22",
"content": "Brilliant, but does it go over 5mph, and what’s its range? I’m not seeing a great amount of space for batteries here.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171794",
"author": "Tyler",
"timestamp": "2010-08-21T01:42:49",
"content": "You lean on a unicycle to turn, but that is a wider radius turn. To turn sharply all you have to do it twist your body sharply.-unicycler",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171802",
"author": "xorpunk",
"timestamp": "2010-08-21T02:20:32",
"content": "The braking issue is solved with anti-lock breaking..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171803",
"author": "xorpunk",
"timestamp": "2010-08-21T02:25:53",
"content": "I’d try getting more range with lipo and better motor design while maintaining or improving top speed.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171808",
"author": "khslrlghrgewr",
"timestamp": "2010-08-21T02:56:26",
"content": "reminds me of the wheel from the comic strip B.C.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171810",
"author": "Dave Eaton",
"timestamp": "2010-08-21T03:11:02",
"content": "@bzroom:Conservation of angular momentum is part of it. The wheel spinning is like a gyroscope, which exerts a counter-torque when you try to change the direction of the rotation axis. On a unicycle, you don’t have all that much mass, and it can be pretty hard to maintain balance. I suspect it gets easier with a big wheel like this one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171820",
"author": "Leithoa",
"timestamp": "2010-08-21T04:01:19",
"content": "They need to make a speeder bike body kit for it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171824",
"author": "ken",
"timestamp": "2010-08-21T04:10:36",
"content": "Gyroscopic effects only contribute a little to bicycle and motorcycle handling [http://socrates.berkeley.edu/~fajans/pub/pdffiles/SteerBikeAJP.PDF]. Turning requires a combination of leaning and steering.Stopping this vehicle requires a burst of acceleration to position the wheel forward of the CG before controlled deceleration. It looks like braking is motor powered, and therefore far less effective than a motorcycle’s brake.I’m not at all surprised by the 25 mph top speed. It is really tough to build an efficient electric vehicle with fixed gearing; limiting top speed help a lot. Also, the “up to” 30 mile range sounds sounds optimistic (downhill with a headwind, anyone?), but all electric bicycle vendors offer rosy range numbers.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171825",
"author": "Custos",
"timestamp": "2010-08-21T04:10:40",
"content": "Reminds me of one of the bikes in the Shadowrun RPG. I want.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171850",
"author": "Jesse",
"timestamp": "2010-08-21T05:14:59",
"content": "Sick as hell.Monobikes have been features quite a bit in anime, awesome to see another part of sci fi become reality. There are a few other examples out there of course but it’s cool to see more people doing it.Google “venus wars” for some cool anime monobikes.30 mile range and 30mph with a footprint smaller than a bike? yes please. Perfect for going around town when i don’t feel like pedaling.slightly OT, but would something like this be possible via the same mechanism?http://www.androidblues.com/gallery/Monobike5.jpg",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171851",
"author": "Dan Fruzzetti",
"timestamp": "2010-08-21T05:34:56",
"content": "Univolt. uniDCycle. monopedelectrocycle. i dunno. i can’t come up with any good names.@ken: downhill with a headwind is kinda like level terrain.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171852",
"author": "Dan Fruzzetti",
"timestamp": "2010-08-21T05:35:35",
"content": "PS – the numbers for my 2001 prius were also overly optimistic. not for my 2006, though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171862",
"author": "buffalo_aaa",
"timestamp": "2010-08-21T06:50:02",
"content": "this is the closest thing to creative a real-life Gizmoduck costume! LOOK AT IT, IT’S SERIOUSLY THE BOTTOM HALF OF GIZMODUCK!http://cdn.gs.uproxx.com/wp-content/uploads/2010/04/gizmoduck.jpg",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171863",
"author": "xorpunk",
"timestamp": "2010-08-21T07:05:39",
"content": "@ken:hydralic brakes require 0-burst, but still gyro burst sequencing and idling. It works if you want to go from 20MPH to 0MPH in 8-15 feet(depending on landscape).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171874",
"author": "Gert",
"timestamp": "2010-08-21T07:48:40",
"content": "It’s so cool but also so dangerous.I would like to see a James Bond Scene with the antagonists minions chasing Bond on one of these.They’ll need to make it go faster though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171899",
"author": "bothersaidpooh",
"timestamp": "2010-08-21T08:54:17",
"content": "epic hack, 10/10 for ingenuity.only problem i can see (other than whether it is road legal with all the ‘ealth & safety Stasi) is that if the battery fails or goes flat at high speed the failure mode will be uhm, painful.perhaps a backup battery would be a sensible idea.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171905",
"author": "[C]",
"timestamp": "2010-08-21T09:30:12",
"content": "This looks a lot like Bombardier’s concept, the Embrio:http://www.gizmag.com/embrio-one-wheel-concept/2350/Which is to say: I want one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171906",
"author": "piku",
"timestamp": "2010-08-21T09:36:13",
"content": "That’s cool.Now make a petrol powered one that’ll do 90.No, really… go on, do it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171918",
"author": "Thaddeus",
"timestamp": "2010-08-21T10:07:22",
"content": "braking.. face plant in the making..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171935",
"author": "the Steven",
"timestamp": "2010-08-21T12:10:24",
"content": "Not on a bet.Roadrash on the face would really suck.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171941",
"author": "Almost_There",
"timestamp": "2010-08-21T13:13:38",
"content": "xorpunk;>The braking issue is solved with anti-lock breaking..The braking issue is solved with roadrash!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171944",
"author": "justcurious",
"timestamp": "2010-08-21T13:22:50",
"content": "how does it handle speed bumps? or potholes? I doesn’t seem have any kind of suspension.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171946",
"author": "localroger",
"timestamp": "2010-08-21T13:36:34",
"content": "The reason leaning turns you on a forward-moving unicycle is that your center of mass is to the side of the wheel. This means part of the thrust generated by the wheel against the ground goes into rotating your body instead of pushing you forward, and you turn. The way you stop turning (since by definition you’re kind of falling over when you lean) is by using your lower body to turn the unicycle so that the thrust vector is pointed directly at your center of mass, and running the cycle back up under yourself. On a pedal powered unicycle that is just touring, not doing tricks, the offsets aren’t large, just a few inches off-balance can have a dramatic effect but is also easily corrected. (It’s been many years but I have ridden one.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171967",
"author": "nimitzbrood",
"timestamp": "2010-08-21T15:42:56",
"content": "Sorry but if I’m going to ride on one wheel it’s going to be the venerable monowheel like this one:http://www.kerrymclean.com/index.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171968",
"author": "soopergooman",
"timestamp": "2010-08-21T15:45:56",
"content": "Y’know I dont get the whole one wheeled thing. Twisting to turn that could lead to long term issues with your lower back. sure its compact and space saving but wouldn’t two wheels in the center side by side work better? Oh wait. someone did that…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171970",
"author": "tech-no-pest",
"timestamp": "2010-08-21T15:47:29",
"content": "saw this in an anime years ago…Venus wars… now just have to figure the comp rate for a 30mm cannon >:)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172167",
"author": "atombomb1945",
"timestamp": "2010-08-22T13:27:52",
"content": "Anyone Remember Gizmoduck?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.787355
|
||
https://hackaday.com/2010/08/20/microscope-camera-adapter/
|
Microscope Camera Adapter
|
Mike Szczys
|
[
"digital cameras hacks"
] |
[
"adapter",
"composite",
"lense",
"microscope"
] |
[Ben Krasnow] is capturing some great snapshots
using a microscope adapter and some tricks
. The camera attachment is just a lens adapter ring with a tube added. Unlike
other microscope imaging hacks we’ve seen
he used a real microscope but found that the pictures had a bit of light distortion to them. The camera sensor was picking up a glare reflected on the inside of the black tube. By adding a washer and repositioning the apparatus he got over that hurdle. The final part of the puzzle is image processing. By taking several pictures at different focal lengths and compositing them he gets killer photos like the compound eyes of that house fly seen above.
| 17
| 17
|
[
{
"comment_id": "171668",
"author": "Jess",
"timestamp": "2010-08-20T17:45:12",
"content": "Every time I look at the preview image I go bum bum BUMMMM when looking at the frames.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171674",
"author": "Gottabethatguy",
"timestamp": "2010-08-20T17:55:46",
"content": "Now I do to, thanks.Also, very impressive. That picture is amazing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171680",
"author": "Heatgap/Ho0d0o",
"timestamp": "2010-08-20T18:17:08",
"content": "Wow. I can actually hear that flying saying “hellllpmeeeezzz” lol. Well done.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171688",
"author": "48bit",
"timestamp": "2010-08-20T18:50:44",
"content": "I hate flies I wish the gov would kill them all. Who cares about the natural ecosystem. Take this big stinking bacteria spreading shit pic off.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171699",
"author": "jh",
"timestamp": "2010-08-20T19:25:00",
"content": "that is very impressive. I get to work with multi-thousand dollar industrial versions of this. Granted, the one I work with is more automated, but it gets the same job done. Very impressive.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171714",
"author": "nullc",
"timestamp": "2010-08-20T20:43:24",
"content": "neat hack for brightfield work..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171717",
"author": "zool",
"timestamp": "2010-08-20T20:56:13",
"content": "just put your camera up to the occular lens, it works fine",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171722",
"author": "DrAltaica",
"timestamp": "2010-08-20T21:15:10",
"content": "THanks HACKaDAYI always wanted to know what’s like to be kissed by a fly… :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171743",
"author": "M4CGYV3R",
"timestamp": "2010-08-20T21:47:20",
"content": "Ohai there mr fly!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171757",
"author": "andrew",
"timestamp": "2010-08-20T22:34:50",
"content": "Thanks, I have a decent microscope and a decent camera but hadn’t thought of putting the two together.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171830",
"author": "Metalwolf",
"timestamp": "2010-08-21T04:23:48",
"content": "Just don’t look at the dot from a 1W blue laser (, or the laser itself) with this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171878",
"author": "Gert",
"timestamp": "2010-08-21T07:54:59",
"content": "Damn that looks great. I’m still smashing the little bugggers.I always come close really slow, i usually can poke em or push em. They don’t seem to be able to detect slow moving objects.AND THE BAM.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171965",
"author": "soopergooman",
"timestamp": "2010-08-21T15:39:40",
"content": "I did a similar hack a few years ago but mine entailed the use of a PS3 Eye and a Telescope. I made it to try and find the Lunar Lander on the Moon but ended up with great UFO footage instead.I broke down tha PS Eye into just its basic components and made a modified ring to fit to the telescope. Also made a line in imput through one of the 4 dopler arrayed mics.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171979",
"author": "andrew",
"timestamp": "2010-08-21T17:17:28",
"content": "I tried the PS3 eye in the barrel of my tri-optical microscope… didn’t work so well, I need to try this hack out and see if I can make a decent web cam interface to the microscope",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172008",
"author": "DeadlyDad",
"timestamp": "2010-08-21T18:10:03",
"content": "If you install CHDK in a Canon camera, focus bracketing becomes trivial. (It makes my S5 superfantasticawesome!)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172475",
"author": "xeracy",
"timestamp": "2010-08-23T15:45:24",
"content": "ok so i wasnt able to get on HaD this weekend and missed this gem. Check out what me and my roommate made with just a camera on a tripod lined up with my microscope.http://www.reddit.com/r/trees/comments/d449n/here_are_the_pics_from_under_the_microscope_i/the original post linked there has a gif made from these shots. check em out.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "176174",
"author": "gyro_john",
"timestamp": "2010-09-02T00:12:08",
"content": "@Mike S.,You said “By taking several pictures at different focal lengths and compositing them he gets killer photos like the compound eyes of that house fly seen above.”I’m fascinated and I know nothing about how to do that. How is it done?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.839565
|
||
https://hackaday.com/2010/08/20/1w-blue-laser-remarkably-easy-and-dangerous/
|
1W Blue Laser – Remarkably Easy And Dangerous
|
Mike Szczys
|
[
"Laser Hacks"
] |
[
"1w",
"blue",
"boost converter",
"diode",
"laser"
] |
[youtube=http://www.youtube.com/watch?v=lE3F7vjYx4U]
We’ve been covering Laser Hacks pretty much since the beginning but it’s surprising to see the niche market that has sprouted up around building powerful handheld modules. [Styropyro] filmed the video above as
a tutorial on building a 1W blue laser
. The “flashlight” that he starts with includes a heat sink intended for a laser diode. It seems there’s a lot of choices when
choosing one of these build kits
. A one Watt blue laser diode is press fit into the heat sink and wired in place. The body of the device receives a boost converter to get the batteries up to 1A, and once the assembly is complete the burning begins. It lights candles, matches, and pops balloons; the normal laser demo goodies.
So it’s a pretty easy build. But it’s also easy for someone being careless to damage their eyes. As [Styropyro] mentions in his comments, just looking at the dot created by the laser will damage your sight.
| 92
| 50
|
[
{
"comment_id": "171633",
"author": "grenadier",
"timestamp": "2010-08-20T15:38:34",
"content": "Oh no, the shit sure has hit the fan now. We can all expect lasers to be banned within the end of the year.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171637",
"author": "Brad Hein",
"timestamp": "2010-08-20T15:57:36",
"content": "This is really neat but very very scary because of the inherent dangers.So many what if’s.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171640",
"author": "MrBishop",
"timestamp": "2010-08-20T16:11:58",
"content": "I don’t know weather to be excited or terrified.. I pick terrified. I mean I would hope most HaD readers know better then to abuse or misuse this technology. Now I am off to go make some deliciously sexy Thermite; thx Google+HaD for all the help.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171641",
"author": "Javajunkie",
"timestamp": "2010-08-20T16:14:41",
"content": "Oh boy! now I can be a real jedi.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171643",
"author": "darkore",
"timestamp": "2010-08-20T16:19:29",
"content": "It really scares the shit out of me that the components for this laser are commercially available at relatively low prices. I need to laser-proof my eyes. Other than that though, nice project :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171644",
"author": "strider_mt2k",
"timestamp": "2010-08-20T16:23:46",
"content": "reflective armor (aluminum foil,mylar solar blanket-silver side, etc) or if nothing else, armor the same color as the laser.-aaaand GOGGLES PEOPLE!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171645",
"author": "nimrod",
"timestamp": "2010-08-20T16:24:47",
"content": "uhm with commercially available products you can make bombs, drugs, alot of dangerous things really. in some countries its even legit to buy weapons xD.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171646",
"author": "nimrod",
"timestamp": "2010-08-20T16:25:58",
"content": "thx strider, “armor the same color as the laser.”, made me instantly think of “paranoia” (oldskool PnP). ^^",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171652",
"author": "Chris",
"timestamp": "2010-08-20T16:57:04",
"content": "can i haz burning purple laser now? I want to be like mace windu",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171653",
"author": "ACIDRAIN",
"timestamp": "2010-08-20T17:02:52",
"content": "I have no problem with HaD readers in general, but rather with angry teenagers that have been beaten for 10+ years and kill birds for fun. They throw rocks through random windows at 2AM and kick car doors while people sleep. There is no shortage of those kids, and when they have a laser like this, you can rest assured that many people will go blind when one such kid sits on top of a building and zaps peoples’ faces for weeks before he is caught, if he is caught at all.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "1184322",
"author": "Angel G.",
"timestamp": "2014-02-07T00:05:49",
"content": "I think the same. There are people who will cripple you just for fun. It’s really that scary, because while we can protect or run from somebody with a knife (or at least the doctors can sew up the cut if the victim is still alive), we are powerless against such threat and the damaged eyes are not recoverable.",
"parent_id": "171653",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "171654",
"author": "Wolfton",
"timestamp": "2010-08-20T17:03:22",
"content": "I need someone to put this in a Blue Lantern ring. How’s THAT for Hope?This is going to be too easy to weaponize in the next couple years. I wonder how long it will take to pop the tire of a car while moving? I wonder how long before guided munitions have lasers included as armor piercing technology.I wonder how these high powered lasers will be used to fire bullets without a hammer and pin, making ballistics analysis harder to trace rounds and their casings back to an actual weapon.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "797428",
"author": "Phil Culmer",
"timestamp": "2012-09-26T23:22:42",
"content": "I’m not sure that using a laser to trigger the explosion in the primer or cartridge is likely to beat forensic analysis – The laser would still have a distinctive fingerprint, which could be traced to the weapon. There may be technical benefits to a “laser firing pin”, though – it’s an interesting idea.",
"parent_id": "171654",
"depth": 2,
"replies": [
{
"comment_id": "1775091",
"author": "Tim Dalton",
"timestamp": "2014-09-01T18:22:56",
"content": "A laser firing pin is pointless as the striations left from the bore of the gun barrel are the main way to tell from what gun a bullet was fired. And secondly all you would have would be a gun that needs to have fresh batteries or recharged hen you needed it the most and are in a hurry.",
"parent_id": "797428",
"depth": 3,
"replies": [
{
"comment_id": "6655806",
"author": "Mike",
"timestamp": "2023-06-25T02:45:45",
"content": "Sometimes bullets aren’t recovered. But shell casings are.",
"parent_id": "1775091",
"depth": 4,
"replies": []
}
]
}
]
}
]
},
{
"comment_id": "171655",
"author": "Andrew",
"timestamp": "2010-08-20T17:04:14",
"content": "I actually started building a 250mW laser a couple years ago. I had all the parts, including safety glasses.. but the closer I got to finishing, the quicker I lost my enthusiasm. I realized I love my vision far more than I would enjoy the laser multiplied by the odds of being hurt by it. I never did finish it...anybody want to buy a pair of red laser safety glasses?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "171972",
"author": "Jadon",
"timestamp": "2010-08-21T16:00:54",
"content": "Sure add user 4911151 on palringo and send me a message",
"parent_id": "171655",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "171656",
"author": "thlip",
"timestamp": "2010-08-20T17:09:22",
"content": "hey just make sure if you do this and you’re not experienced with lasers that you know you need to get the proper glasses for each laser. Each set of glasses is made for a particular wave length. This one is set for 445nm wave length so you need that kind of glasseshttp://www.wickedlasers.com/lasers/Arctic_445nm_LaserShades-100-16.htmlThere’s probably other places that sell them for cheaper.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171657",
"author": "grant",
"timestamp": "2010-08-20T17:14:20",
"content": "Please remember this about laser safety: the color of the glasses is not the color it blocks! A pair of red goggles will let a red laser right through them. They usually block green lasers. Be sure the goggles you use are meant to block the wavelength you are using.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171658",
"author": "Pilotgeek",
"timestamp": "2010-08-20T17:23:44",
"content": "Here’s my HAD reader impression. Ready? Here it goes:“Waaahhhh safety legality blah blah no fun put on your helmet >=(“",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171661",
"author": "jeditalian",
"timestamp": "2010-08-20T17:28:42",
"content": "need price list, DO WANT :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171664",
"author": "bolke",
"timestamp": "2010-08-20T17:31:32",
"content": "Please, come on everybody.Yes, parts are commercially available.So are guns, in America.So are knives, everywhere.You can even lose an eye using your finger.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171666",
"author": "thlip",
"timestamp": "2010-08-20T17:37:03",
"content": "@bolkeTypically when you get a gun you go through a safety course. I think the more complex an instrument is the more caution you should have while handling it. A knife is pretty basic no need for a proper explanation. A gun is more complex you need a license to use it. A laser is more complex than that.I think most people could use a laser but they should be aware of the things that go along with it, and have the proper equipment to operate it. I think people around here who do this a lot and have heard horror stories just want people to be aware of the risks before doing this hack.seriousness aside,if you loose your eye using your finger… well you probably shouldn’t be using any of the other tools you mentioned.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "963449",
"author": "chris w",
"timestamp": "2013-02-21T12:17:54",
"content": "“Typically when you get a gun you go through a safety course.”really? where is this typical?",
"parent_id": "171666",
"depth": 2,
"replies": [
{
"comment_id": "963586",
"author": "Iam Qlue",
"timestamp": "2013-02-21T18:41:17",
"content": "Well, in South Africa it’s the law. I think that’s the law in most Counties other than the USA now.",
"parent_id": "963449",
"depth": 3,
"replies": []
},
{
"comment_id": "5439040",
"author": "Dan Bennett",
"timestamp": "2018-11-11T01:30:40",
"content": "Canada",
"parent_id": "963449",
"depth": 3,
"replies": []
}
]
}
]
},
{
"comment_id": "171669",
"author": "Chris",
"timestamp": "2010-08-20T17:47:14",
"content": "nimrod: I didn’t play paranoia enough to remember that, but I do remember in Larry Niven’s Ringworld novels they mentioned the material the same color as the laser thing.bolke: If you lose an eye using your finger your doing it wrong!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171671",
"author": "Haku",
"timestamp": "2010-08-20T17:49:49",
"content": "If you make a blinding weapon use high power red, green and blue lasers so if someone wears goggles to protect from one colour it won’t save them from the other two.The only safe way to protect your eyes at that point would be through use of cameras plugged into LCD video glasses.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171672",
"author": "Chris",
"timestamp": "2010-08-20T17:53:34",
"content": "@thlip: Got my first gun for my 16th birthday, never been to a safety course. In many localities you don’t need a license to use/carry a gun. Before I got annexed by the City I only needed a buyers permit from the County Sheriff, which simply meant they did a background check. No safety course etc. required. The City requires a permit for concealed carry, but open carry is legal without a permit.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171673",
"author": "Brennan",
"timestamp": "2010-08-20T17:53:52",
"content": "I like how the warning screen flashes so fast you can barely get to the e-OMG LAZER",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171676",
"author": "Chris",
"timestamp": "2010-08-20T18:01:16",
"content": "@Haku: if your opponents are wearing protective goggles because they are expecting you to attack with lasers, use a different weapon altogether.The general who thoroughly understands the advantages that accompany variation of tactics knows how to handle his troops.— SUN TZU ON THE ART OF WAR",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171677",
"author": "Andrew",
"timestamp": "2010-08-20T18:07:53",
"content": "I don’t think the comparison of a high-power laser with a gun is a very good one. With a gun, you know exactly where and when the danger lies, and people in general respect the risks of handling them. With a laser, you can be carefully pointing it away from yourself and everyone you care about, and still accidentally catch a reflection long enough to damage your vision. On top of that, no matter what you tell them, many people have NO respect for the danger of using a laser. (Think about the last time your friends played with a laser pointer around you. How long did it take for it take them to point it at your face?)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171681",
"author": "Jagerkatze",
"timestamp": "2010-08-20T18:21:18",
"content": "Now that we have building a 1W laser, how’s about we hack it up a little? Mount it to a CNC or something along those lines and shield the unit. Put a safety so the glass must be closed before firing. Then use it for etching.Just a thought beyond the obvious use of, “zOMG LULZ AI CAN BURN THINGZ NOW LOLOLOL”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171682",
"author": "thlip",
"timestamp": "2010-08-20T18:21:37",
"content": "@ChrisGuess it’s different between different states and such I’m up in Canada it’s kind of hard to follow.Anyways I still think it’s something you need to be more careful with. If we do end up with a bunch of people being stupid they are just going to ruin it for the rest of us. So why not advocate proper use now instead of having it a political issue in a few years with people crying for their ban.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171683",
"author": "Whoever",
"timestamp": "2010-08-20T18:23:18",
"content": "“no matter what you tell them, many people have NO respect for the danger of using a laser”EXACTLY my experience.I’ve seen EVERY stupid kid believe they already know how to safely play with a laser and that they’re mature enough to own one. Then, of course, they proceed to do stupid things with it until some poor cat goes blind or someone has their hair burnt.Lasers are MUCH more dangerous than guns and can’t be compared, if for no other reason that people tends to have very deep respect for guns, but no respect at all for lasers.Knifes are a completely invalid comparsion. Even a huge sword has a very limited “range”. A laser has several thousand meters of range and leaves no evidence of who did it (just like a well handled gun), plus is a lot easier to conceal.Also, people has more respect for knifes, probably even more than guns because the risk is downright obvious and highly intuitive.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171685",
"author": "nimrod",
"timestamp": "2010-08-20T18:27:50",
"content": "see, if dangerous things were only for mental people, we would have a better world. unfortunately, whats is dangerous and what is not? and then again, everybody can be a president. all im saying is, dickheads will always be and they will always find a way to piss you off.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171687",
"author": "Whoever",
"timestamp": "2010-08-20T18:43:23",
"content": "“if dangerous things were only for mental people, we would have a better world”Wrong.What we’re calling “dangerous” here are devices that are dangerous to OTHER people than those using it.What you’re calling “dangerous” there would be some kind of suicide device, very much the contrary to a weapon (although some terrorists might disagree).Wanted to add that I freaking love high power lasers and have a vast personal collection, including a 70W handheld engraver.It’s just that the tought of “normal” uneducated people having access to lasers like those in my collection.. Well, gives me very strong chills. And these kind of tutorials are making it easier by the day.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171692",
"author": "LOOKINTOTEHLASER",
"timestamp": "2010-08-20T19:01:43",
"content": "So I don’t get it woots the hack in this.The only hack I see here that he builds it into a flashlight casing, big deal…Oh and smoking dangerous to your health too dont forget that",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171693",
"author": "Jess",
"timestamp": "2010-08-20T19:14:38",
"content": "…annnnd I just ordered the diode. THANKS HAD. Gah!This pretty much blows away my current blue setup.. battery life be damned!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171702",
"author": "zool",
"timestamp": "2010-08-20T19:48:34",
"content": "lol he doesn’t include the safety glasses in the ‘parts you’ll need’ sectioni’d like to see someone put it to use for something insted of burning matches, popping balloons and other dumb stuff",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171704",
"author": "osgeld",
"timestamp": "2010-08-20T20:00:20",
"content": "“Oh and smoking dangerous to your health too dont forget that”hey thanks, its break time and I need to go suck down a couple cancer sticks myself!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171710",
"author": "zeropointmodule",
"timestamp": "2010-08-20T20:33:37",
"content": "what is it with the comment spam??!!!as for safety, the dangers of any 200mW output with a tiny increase in drive current.Yes, they are useful tools WHEN PROPERLY USED INDOORS WITH THE CORRECT OD7 RATED GOGGLES!!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171712",
"author": "svofski",
"timestamp": "2010-08-20T20:36:50",
"content": "Le bëton!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171713",
"author": "bobdole",
"timestamp": "2010-08-20T20:40:54",
"content": "@thlip: wicked lasers’ goggles are awful. They’re really terrible. I wouldn’t trust them at all. Do not buy them. Do not try to find cheaper goggles. Your eyesight is worth millions of dollars. Don’t cheap out and buy crappy chinese $50 goggles.In fact, never buy anything wicked lasers makes, at all, ever. They’ve got a really bad track record for selling junk. All of their lasers are less powerful than advertised, if they work at all. They usually break in a few hours, and they cost 10 times more than they should. Never buy anything from WL. Period.oemlasersystems.com has some actual proper certified protective eyewear for sale. It costs more, but as I mentioned, my insurance policy values the use of my eyes at $10,000,000, so a hundred bucks to save them is a bargain.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171721",
"author": "grenadier",
"timestamp": "2010-08-20T21:12:56",
"content": "o-like.com has some pretty good goggles too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171723",
"author": "Link",
"timestamp": "2010-08-20T21:15:33",
"content": "hmm, at what wattage is a laser powerful enough to burn some things, but not so powerful that goggles are required at all times? No goggles with safe use and common sense obviously.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171724",
"author": "Jake",
"timestamp": "2010-08-20T21:17:31",
"content": "As far as the danger, meh. I just bought a SIG arms (US version of SIG Sauer) 556 swat edition on GunBroker for under $2000. Now THAT is dangerous! XD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171725",
"author": "M4CGYV3R",
"timestamp": "2010-08-20T21:20:49",
"content": "Le Lightsaber Terrible!Ok, so I need a price on a 445nm diode then. Last I looked they were approaching $1500 which makes this pretty unachievable for me.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171771",
"author": "jim",
"timestamp": "2010-08-20T23:21:13",
"content": "You really need training and proper safety equipment to use this — and making such a thing to burn matches and pop balloons is idiotic.On the bright side, if you point it at an airliner, the partyvan might pay a visit.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171775",
"author": "xorpunk",
"timestamp": "2010-08-20T23:30:16",
"content": "be thankful it’s only 1W, they could go a lot more with this design because of the heatsink.This isn’t really a weapon. I guess you could hurt peoples eyes, but that’s it, and it doesn’t hurt even the most low density metals.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171782",
"author": "EdZ",
"timestamp": "2010-08-21T00:09:57",
"content": "This is no more or less dangerous than the cheap high-wattage IR modules available for laser cutters/etchers, with the possible exception that a particularly idiotic user may look straight into the IR module wondering why he can’t see anything, and subsequently never see anything again after destroying his retina.Basically, if you can read a safety label, you can avoid blinding yourself with a laser.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171785",
"author": "NKT",
"timestamp": "2010-08-21T00:30:09",
"content": "@Link: Think about what you are saying! You want a power level that burns “stuff” by laser, but won’t hurt your eyes because it is too bright? Keep dreaming!That’s like asking what temperature is best for burning wood, that you can hold it.Paper and plastic don’t react to light at all. Your eyes can see individual photons. If it burns paper then it will fry your eyes ten times over before that.@Jake: Nice piece. But used badly, the laser is probably more of a threat – silent, longer ranged, visible for fractions of a second, and keeps going half a day without reloading. Oh, and far more easily concealed.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171790",
"author": "TC",
"timestamp": "2010-08-21T00:54:26",
"content": "… is this covered by the Second Amendment?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171792",
"author": "jim",
"timestamp": "2010-08-21T01:12:38",
"content": "You guys do know this will destroy the retina before you can blink?Jesus Christ, some of you people are poster kids for why everything has safety labels and rules. This is a jury rigged Class 4 laser — it’s an accident waiting to happen.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171801",
"author": "Mohamed",
"timestamp": "2010-08-21T02:16:26",
"content": "I thought lasers were cool at one point but I’ve grown out of it. I’d only build this if I had any use for it which I dont at the moment. I’m just a bit concerned about the kiddo’s who might be visiting HaD. With the obvious dangers this project is suddenly no longer cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171815",
"author": "thlip",
"timestamp": "2010-08-21T03:42:27",
"content": "@bobdoleThat’s good to know I just went to find the first option in google that fit the right wavelength. You’re right if I’m screwing around with lasers I would spend the cash to make sure they are safe.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171858",
"author": "tristan",
"timestamp": "2010-08-21T06:09:29",
"content": "if you even stare at the dot reflecting off a white wall you could cause damage to your eyes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171876",
"author": "Gert",
"timestamp": "2010-08-21T07:51:35",
"content": "What would the range be if you were to point this at the sky? Could it reach the ISS?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,389.287746
|
||
https://hackaday.com/2010/08/20/microsoft-engineers-reinvent-the-optimus-keyboard/
|
Microsoft Engineers Reinvent The Optimus Keyboard
|
Mike Szczys
|
[
"Multitouch Hacks",
"Peripherals Hacks"
] |
[
"contest",
"innovation",
"keyboard",
"microsoft",
"optimus",
"uist"
] |
Looks like Microsoft has come up with
a pretty slick little keyboard
. It’s very much like
the Optimus
, which has an OLED screen in every key, except that it doesn’t have a screen in every key. Instead there’s just one screen on the whole unit and they keys have been overlayed on top while allowing the image to show through. Brilliant really, since this should drastically reduce the $2400 price tag of the original. That is, if you could buy the device. Microsoft’s not selling this hardware (yet anyway), but offering it up as test hardware for the
UIST Innovation Contest
. It will be interesting to see what the students come up with. This keyboard should be easier to program for since it involves manipulating just one screen. There is also extra space at the top that is touch-sensitive. See for yourself after the break.
[youtube=http://www.youtube.com/watch?v=ojusRO38Tdc]
[Thanks FaSMaN via
Gizmodo
]
| 46
| 46
|
[
{
"comment_id": "171556",
"author": "Mark429",
"timestamp": "2010-08-20T13:28:27",
"content": "Awesome, I hope this is less than $250",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171579",
"author": "MrBishop",
"timestamp": "2010-08-20T13:37:50",
"content": "@Mark429, dude are you serious? There is no way its going to be less then $500 for at least a year after/if they decide to go mass production. Then again it doesnt matter to me, I somehow doubt there will be any linux comparability for a while. Come on Dev community. ^_^",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171583",
"author": "Pup",
"timestamp": "2010-08-20T13:55:45",
"content": "Now someone make their own homemade version. :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171586",
"author": "C",
"timestamp": "2010-08-20T14:00:17",
"content": "IBM Model M is still the best keyboard in the world.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171590",
"author": "WTF1975",
"timestamp": "2010-08-20T14:05:05",
"content": "This has very little in common with the Optimus. In fact, this has been around for decades. It’s called a touch screen. As best I can tell, the only thing that differentiates it from every other touchscreen keyboard is that they bothered to print out a mask on a laser transparency to hide the LCD light leakage occurring between the “keys”… that, and that they got creative with the leftover real estate from using a standard aspect ratio panel. I’ll be impressed when someone does this with actual mechanical keys with embedded lenses, etc.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171591",
"author": "Sean",
"timestamp": "2010-08-20T14:10:11",
"content": "You could potentially DIY for less than $500. It’s going to be a lot of fabrication, though. an 11×6 (13″ diagonal) 16:9 widescreen lcd would be a good bottom layer.Each key would need to have a small lens or two to project the light from the bottom layer to the top of the key.Some type of scaffolding would have to be made to support the actual keys. One would also probably have to design they keys such that one of the outer edges pushes a pushbutton.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171595",
"author": "Pilotgeek",
"timestamp": "2010-08-20T14:14:30",
"content": "@WTF1974 : I think it is a mechanical keyboard, and the keys have clear windows down to the lcd.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171596",
"author": "Anonymous",
"timestamp": "2010-08-20T14:15:08",
"content": "@WTF1975 Why overcomplicate it?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171597",
"author": "Piku",
"timestamp": "2010-08-20T14:18:23",
"content": "It looks to be more than just a touchscreen with a bit of plastic stuck to the bottom half. If you watch the video the keyboard part appears to contain real ‘buttons’ of some sort.But does it provide a better “user experience” if the user has to keep taking their eyes off the screen to look at their hands, effectively learning a whole new keyboard layout every time the application context changes? I can touchtype because I know where the ‘A’ key is, and I can rely on it always being the ‘A’ key rather than wondering what context my keyboard is currently in.And if you need a whole new concept keyboard with built in display, doesn’t that imply your fancy “ribbon” toolbar idea is possibly a bit too complex to use?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171599",
"author": "Sean",
"timestamp": "2010-08-20T14:23:19",
"content": "Hmm, any optics guys in here? What would it take to throw a 1cm square region of lcd up 2-3 cm? I guess one would put some type of cheap rear projection suitable material in a cutout on top of the key.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171603",
"author": "Wizdom",
"timestamp": "2010-08-20T14:27:07",
"content": "@WTF1975I think if you look closely at the video you will see that the keys are in fact “tactile” you see movement when they are pressed so this must be a projected capacitive touch screen with conductive membrane type keys. If could also be done easily with a resistive screen but this doest not seem to be the case with this product as the “sliding” gestures didn’t seem to require much pressure. This could probably be reproduced fairly easily.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171607",
"author": "Mike",
"timestamp": "2010-08-20T14:29:42",
"content": "Kind of cool, but who wants to look down at the keyboard? Your eyes are on the screen.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171608",
"author": "bobcat",
"timestamp": "2010-08-20T14:35:29",
"content": "Well, you’d be surprised how many people are not touch typers.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171610",
"author": "jeditalian",
"timestamp": "2010-08-20T14:37:08",
"content": "you could make your own keyboard skins in MSPAINT",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171611",
"author": "3L_S4N70",
"timestamp": "2010-08-20T14:50:01",
"content": "Well, I think it’s really a physical keyboard, I mean, a keyboard with its keys, and not only a screen, as you can following the link “a pretty slick little keyboard” in the original text hides.It looks prety good, but as already has been said, we all know what “llok prety good” usually mean to our pockets.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171615",
"author": "AC",
"timestamp": "2010-08-20T14:52:28",
"content": "@Piku:It will provide for a better user experience if used properly. You could make it present contextualized keys, or simply black out keys that aren’t used. For an easy example, take a FPS (first person shooter) game. It would change the WASD keys and change them into arrows, the number keys into icons symbolizing the respective weapons, the ctrl key an icon of a crouching person. This way, the meaning of a key doesn’t change (so you can still type/use without looking at the keyboard), but it still adds extra context-sensitive information.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171618",
"author": "M4CGYV3R",
"timestamp": "2010-08-20T14:54:22",
"content": "This is completely different than the Optimus. The Optimus actually has OLED screens in each of the keys, while this uses a single large LCD under the whole keyboard.It’s pretty cool that you can display whatever you want on it, though. I assume it’s feasible to use the computer with only this as a monitor if you want to travel light.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171619",
"author": "nave.notnilc",
"timestamp": "2010-08-20T14:54:47",
"content": "it’d be neat if they just made it a thing you could put on top of a normal touchscreen on an as-needed basis, so you could get real-keyboard-typing when you want.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171620",
"author": "Stu",
"timestamp": "2010-08-20T14:57:20",
"content": "Isn’t this just like that new Tosh Libretto W100 machine with the Nintendo DS style layout? The bottom screen is used as a keyboard amongst other things.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171621",
"author": "tomarus",
"timestamp": "2010-08-20T14:58:09",
"content": "Is it food and noobie proof. just saying because one else has not.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171623",
"author": "Alejandro",
"timestamp": "2010-08-20T15:04:11",
"content": "Like Mike and Piku, I don’t think this is productive at all.The screen is in front of my eyes. The keys are in front of my hands. I have tactile memory of where the keys are. If the keys changed on me every time I shifted app focus, it would drive me crazy.Sigh, when will we get tactile-feedback touch screens? :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171624",
"author": "Anonymous",
"timestamp": "2010-08-20T15:16:55",
"content": "What they need to do is incorporate pressure sensitivity so you can remove the keyboard overlay and use it as a Cintiq.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171625",
"author": "dext0rb",
"timestamp": "2010-08-20T15:21:04",
"content": "To those who are insisting this is different than the Optimus: Durrrrrr! Do you guys know what re-invent means? Same end result – different means to implement. Both the Optimus and this keyboard have the same functionality: modifiable key legends. This is way better though – the Optimus’ price point is just too ridiculous to make it practical. This should be much cheaper to mfg.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171629",
"author": "sunjester",
"timestamp": "2010-08-20T15:30:59",
"content": "I fail to see the innovation here.. They simply moved a touch screen to a keyboard. FAIL.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171678",
"author": "Lucas",
"timestamp": "2010-08-20T18:13:40",
"content": "There is nothing to do with LCARS and OKUDAGRAMS from Startrek, physical keyboard is a very old and short way of think, that guys from Startrek FX team, more than 10 year ago, invented the near future of Computer input devices, not MS surface, not Optimus guys and so on that was the real origins of computer input device that was context sensitive, touch, “video and keyboard” all in one control device, etc.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171679",
"author": "Gray",
"timestamp": "2010-08-20T18:16:44",
"content": "Why not just use a touch screen and forget the moving parts altogether? A sound, vibration or electrostatic feedback would equivalate.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171694",
"author": "LOOKINTOTEHLASER",
"timestamp": "2010-08-20T19:17:47",
"content": "wouldnt buy it for 25$ eitherIf one thing i learned is the best ones are the old “clicking” ibm keyboards. Gotta love them all. Good for gaming good for shell usage good for writing dox.All the keyboards they come up with energonomix, random keys, microshaft keys are just junks not to mention the wireless and bluetooth keyboards and mouses.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171696",
"author": "veli",
"timestamp": "2010-08-20T19:22:14",
"content": "Anyone can do this with a few stickers and the keyboard they are already using. (You can still buy those horrible plastic WordPerfect keyboard overlays!)I don’t think anyone can help you hack the mindless corporate babble that goes along with that video though. That requires an advanced MS engineer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171715",
"author": "zool",
"timestamp": "2010-08-20T20:45:48",
"content": "i like the scrolling screen and the top row of programable buttons, but the changing of the keyboard is dissorientingi could see it used for someone if your everyday job consisted of using a specific set of keys or something where the keyboard has different functions (film editor, graphic artist, sound editor, etc…any kind of design or editing)but those people would typically stay with that same keyboard set upi have a wacom and i do like how you can change the functions of the buttons depending on what program you’re in, but that only has a few buttons and i’ve still got my keyboardi could see people getting frustrated with thisand not using it to it’s potentialthe average person isn’t going to want to memorize a bunch of different keyboard layouts",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171759",
"author": "jeicrash",
"timestamp": "2010-08-20T22:49:08",
"content": "Let me know when its under $100.00 and works with linux and touch screen can be used as secondary screen. This would be great for home made tv studio or webcasting, or even VJ work. Other then that not cool enough for the probably high cost.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171766",
"author": "DonW",
"timestamp": "2010-08-20T23:02:56",
"content": "Wow, what a bunch of negative comments.There is not guarantee that that this keyboard would be successful, but give it a chance.It needs:1) To be easy to touch type on.2) To have easily readable images of the symbols on each key.3) Have an API available so non-Microsoft applications can take advantage of it’s features.4) Be affordable.Since most people are using laptops now it would be interesting to have it there as well. Lenovo, are you listening?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171817",
"author": "Ryan Burnside",
"timestamp": "2010-08-21T03:43:19",
"content": "This is all well and fine but get some IBM style springs under those infernal keys. Honestly modern keyboards while being feature rich are regressing in terms of tactile response.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171829",
"author": "rasz",
"timestamp": "2010-08-21T04:20:49",
"content": "its tactile in a sense that there is a plastic mask covering space between the “keys”, so not really tactile at all, oh the shocker = microsoft lied again",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171861",
"author": "Tyler",
"timestamp": "2010-08-21T06:40:53",
"content": "way to many misinformed comments to correct them all!The keys to the keyboard are not touch themselves, just the screen above.Seems like there could be a thousand uses for the touch-screen. Would be a great media keyboard for a a tv and media center.Quit knocking it just cause Microsoft did it, wait until you see it for yourself.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171866",
"author": "jeditalian",
"timestamp": "2010-08-21T07:17:18",
"content": "i was under the impression that it is a touchscreen with an overlay plate that has holes cut out for your fingers, so you can maybe rest your hands on it like a normal keyboard, without typing erratically. i was thinking of how nice it would be to have on a phone or something, interchangeable plates for different uses. would take much error out of typing on a touchscreen. you could have a plate for NES/gameboy, one SNES style, SEGA, etc. and different soft keyboards/gamepads. and you could just take the plate off and use it as a touchscreen monitor. i mean, it may not be designed to do such things, but this IS hackaday.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171868",
"author": "Matthias_H",
"timestamp": "2010-08-21T07:32:17",
"content": "Good timing, the deadline was 3 days ago :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171903",
"author": "J. Peterson",
"timestamp": "2010-08-21T09:20:54",
"content": "Cute experiment, but this is a real losing proposition on ergonometric grounds. When you’re working at a workstation for any length of time, you want your arms straight and level with the keyboard, and your eyes looking straight ahead. This UI will force you to keep looking down at the keys, which puts tremendous strain on your neck over time.This is serious issue. My mom spent most of her career as an accountant / finance executive, back when that meant staring at paper ledgers on a desk. She wound up needing corrective surgery for her neck after she retired. I suspect our current “iPhone” generation will be in the same boat, as they hold their phones at their chest and stare down at them.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171942",
"author": "Coyotecom",
"timestamp": "2010-08-21T13:19:25",
"content": "Just imagine. A different porn image for each and every key, with a running scroll of porn across the top.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172009",
"author": "MinorHavoc",
"timestamp": "2010-08-21T18:21:10",
"content": "I’ve seen and tried it. It has physical keys and real tactile feedback a little like a laptop keyboard. It’s like an Optimus, but much much better and cheaper.The various comments about “just a mask of holes on a touch screen” and “fail because you’ll have to look down all the time” are nonsense.You use it just like a regular keyboard and memorize the keyboard shortcuts just like usual. Or, you can look down to see the context-sensitive help right on the keys. Do you guys get dizzy because each program has their own keyboard shortcuts?The upper area can be used for whatever the programmer wants. One use is for recently used documents. Or you can ignore it and just look at your regular screen.OEM’s can make cheap swappable key units that allow you to change the keyboard in seconds. You use the regular keyboard to finish writing that email. You then swap the physical key matrix for one customized for video editting. Or something customized for your favorite FPS.You’re not limited to just keys you press. Because of the sense technology, you can have physical sliders or twisting knobs. You can put keys anywhere, over the whole display or just part of it, using the rest as a touch-senstive display area.Really, it’s a surprise that no one has done it before.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172023",
"author": "hunnter",
"timestamp": "2010-08-21T19:24:05",
"content": "It is certainly a nice idea.It cuts down the price significantly, that alone is worthy.Similar, crappier solution would be a couple layers of masking tape + touchscreen.Of course, obviously do NOT put the masking tape directly on the screen, have a protection layer. (another layer of masking tape pointing up could work)You won’t get the “typed” feedback you’d get from this or a standard keyboard, well, probably not directly as long as you felt your way around the keyboard.I guess a software solution could work there to recreate keydown, keyrepeat (optional!), keyup through sound.To recreate the homerow resting keys, you could have 2 small pieces of whatever other material below the top layer of the tape grid under the key locations. (couple bits of random wire would be ideal)This way, you can make the keyboard grid for the screen that you have, not a standard set.Rubber layers works well too if you can be bothered cutting through it without making it look ugly.You can also make the keyboard layout whatever way you want to now. I can’t count how many annoying keyboard layouts i have seen over the years. I remember a netbook with the Fn key in the location where Ctrl usually was! WHY?!@Coyotecom: I lol’d",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172029",
"author": "Hackius",
"timestamp": "2010-08-21T20:24:56",
"content": "It’s incredible how many commenters didn’t even bother to click-through and watch the video.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172049",
"author": "therian",
"timestamp": "2010-08-21T22:15:51",
"content": "so in case this took off can I blame iPhone for screwing history again",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172077",
"author": "ewertz",
"timestamp": "2010-08-22T00:49:35",
"content": "@Gray – “equivalate” ?You’re presidential material — that’s exactly something I’d expect to come out of GW Bush’s or Sarah Palin’s mouth.You just can’t go making up words like that… unless perhaps you’re Republican-rappin’! :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172161",
"author": "kevin",
"timestamp": "2010-08-22T12:49:55",
"content": "looks cool, I also see a gaming potential to this :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173078",
"author": "Ahmedo",
"timestamp": "2010-08-25T06:18:19",
"content": "guys this is old news. check thsi out:http://www.artlebedev.com/everything/optimus-tactus/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173487",
"author": "sheik",
"timestamp": "2010-08-26T03:00:05",
"content": "I applied on the deadline.106 teams applied, only 40 teams will be selected.We had to submit our “innovative” idea by email. Apparently grad students not working for Microsoft will chose the 40 teams.Kinda sucks that I’ll have to pay $350 and a plane ticket to NY to go present my project; if I’m chosen.I’ll contact hackaday if I get a hold of one, maybe get some disputes in this thread cleared.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.918502
|
||
https://hackaday.com/2010/08/19/fpslic-powered-led-matrix/
|
FPSLIC Powered LED Matrix
|
Mike Szczys
|
[
"classic hacks",
"LED Hacks"
] |
[
"8x8",
"at94k",
"Atmel",
"AVR",
"bicolor",
"fpslic",
"matrix",
"pong"
] |
[Mathieu]
built this display
in hopes that he can play pong on it. You can imagine the headache that awaits when trying to figure out how to drive the 6144 bi-color LEDs. I must have worked out because the thing looks great in the video after the break. The solution he chose was a bit unfamiliar to us though. He used a
Field Programmable System Level Integrated Circuit produced by Atmel
, or FPSLIC. This is a kind of mash-up of components we’re more accustomed to.
The AT94K is a single chip that houses an 8-bit AVR microcontroller, and FPGA, and SRAM. This project uses that FPGA to handle the multiplexing of the display via code written in
VHDL
. The AVR core receives data via a USB port, stores two images in the SRAM (one for each LED color), and then outputs it to be drawn on the display. On second thought, this project sounds like fun and it’s a great way to get start learning that VHDL you’ve been putting off.
[youtube=http://www.youtube.com/watch?v=5PH4c5tr6Ss]
| 23
| 23
|
[
{
"comment_id": "170376",
"author": "Steve",
"timestamp": "2010-08-19T21:16:28",
"content": "You must have worked out?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170394",
"author": "catzburg",
"timestamp": "2010-08-19T22:16:59",
"content": "I think he means “It”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170396",
"author": "borgar",
"timestamp": "2010-08-19T22:24:54",
"content": "while im sure they are very practical, i’m tired of all the premade matrixes just put together.why not build them out indiviual led’s? im sure it would be alot cheaperand you’d just have to replace one led if one died instead of a whole section.nontheless its a very sweet matix, and i know the control method is the interesting part of this hack. good job",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170400",
"author": "matt",
"timestamp": "2010-08-19T22:28:01",
"content": "First, this is awesome.Second, I wish an FPSLIC was easier to come by in a more useful form… digikey only has surface mount units available :-( (anybody from sparkfun paying attention?)I kind of miss VHDL, and I can imagine a number of awesome possibilities with FPGA and AVR in one unit…Well done.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170412",
"author": "Osgeld",
"timestamp": "2010-08-19T22:41:40",
"content": "“why not build them out indiviual led’s? im sure it would be alot cheaper”I dunno BI-color or single color matricies are pretty cheap, it may be cheaper on single color but bi color leds are still kinda up there“(anybody from sparkfun paying attention?)”Heh they dont even pay attention to their own forums",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170416",
"author": "nes",
"timestamp": "2010-08-19T22:51:36",
"content": "@matt: I think FPSLIC is much too old to incorporate into a new board design. A far better option is to use a modern FPGA like a Xilinx Spartan 3A series and then use the free opencores AVR soft core CPU in it (or PIC or 8051 or DLX, or whatever CPU architecture you have like and have tools for). Small Spartan 3As run at about $4-5 in quantity, as does Altera Cyclone 3. The supporting flash chip is <$2 making the PSU possibly the most expensive component.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170420",
"author": "charper",
"timestamp": "2010-08-19T22:54:20",
"content": "Interesting if for no other reason than the FSPLIC device.Somebody please correct me if I’m wrong, but aside from a marketing gimmic, I don’t think the the FSPLIC gives you anything a normal fpga doesn’t. FPGAs with hard arms are fairly common, and soft processors are used a lot.So unless somebody tells me I’m missing something, I’d suggest you go with a normal fpga and asoft AVRinstead.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170421",
"author": "limpkin",
"timestamp": "2010-08-19T23:00:57",
"content": "Hey everyone,To reply to your comments, I agree that a more popular option would have been to go for a fpga & a softcore processor.However, I didn’t want to use this because of the soldering process of the fpga, the cost (and complexity) of the development tools and the possible price of the softcore (avr soft core are actually illegal if i remember correctly) and I really wanted to see what was possible to do with this platform. It seemed a quick and painless solution at the time, without a need of a programmer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170492",
"author": "grenadier",
"timestamp": "2010-08-20T01:09:31",
"content": "Dead pixel.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170910",
"author": "Shadyman",
"timestamp": "2010-08-20T03:44:58",
"content": "I see dead pixels",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171095",
"author": "Drone",
"timestamp": "2010-08-20T04:41:21",
"content": "AVR Softcores are illegal? Really? If-so, someone should tell the folks over at gadgetfactory.net",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171268",
"author": "Itwork4me",
"timestamp": "2010-08-20T06:06:44",
"content": "I looked into the prices of LEDs and copper and prefab N custom. In the end the best deal was 3 bicolor 8x8s for 17 bucks. It was a sample kit and I couldn’t put gas in my car for 17 bucks and gather the cheapest parts. I could buy more samples or a lot, which is kinda cool if yer a LEGO fanatic, knowing if worse came to worse you could probaby make yer own with a counductive pen for 13 bucks and LEDs on the cheap poked through an index card…yeah. Other than that this kid on eBay in some foreign country is selling whole assembies for as low as 96 bucks that are pretty nice…and may be rgb.Nice job bro.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171489",
"author": "Chris",
"timestamp": "2010-08-20T07:58:56",
"content": "@borgar: Though I’m sure you’re tired of people not doing things exactly as you want them to and all…Have you got any idea how much time and work it would take to make an LED matrix this big, whether it’s single or multi-color, cheaper or not? Let alone while maintaining any shred of uniformity.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171502",
"author": "Sergiusz",
"timestamp": "2010-08-20T10:01:20",
"content": "Why use AVR softcore?There is this LatticeMico32 which is free and used for instance inhttp://www.milkymist.org/mmsoc.html.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171541",
"author": "fartface",
"timestamp": "2010-08-20T11:56:41",
"content": "Dudes: if you make something neat, DO NOT videotape it with the crappiest camera you can find. no your phone is not the right thing. In fact 99.9978% of the time your phone is a piece of crap for video recording.Turn off “idiot mode” on your camera and set it up for real use… you get a better video.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171547",
"author": "special agent x",
"timestamp": "2010-08-20T12:14:30",
"content": "Sparkfun isn’y the only place to get breakout boards, I’ve used Proto Advantage (http://www.proto-advantage.com/store/) before and they’re pretty good. They’ll even create custom breakout boards without charging you NRE if you give them the part’s footprint. Just a note.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171554",
"author": "osgeld",
"timestamp": "2010-08-20T13:19:53",
"content": "fartface, let me give you my address and you can send me a nice new HD camcorderkthx",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171686",
"author": "jnd",
"timestamp": "2010-08-20T18:31:59",
"content": "You can get 10 bicolor 8×8 matrices for $14, I bet you can’t get 640 single bicolor LEDs for that price. Maybe you could get even cheaper with larger, presoldered modules like 64×32",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171695",
"author": "itwork4me",
"timestamp": "2010-08-20T19:19:46",
"content": "@jnd isn’t that deal for a lot of over 25 tho?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171727",
"author": "delirium",
"timestamp": "2010-08-20T21:27:15",
"content": "i see dead p…pixels[ontopic]nice project",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171932",
"author": "darkore",
"timestamp": "2010-08-21T11:41:28",
"content": "And you’ll see many other dead pixels if you purchase LED modules from Sure Electronics. Or at least pixels with very different intensities.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172590",
"author": "bxun",
"timestamp": "2010-08-23T20:57:50",
"content": "@Sergiusz: AVR softcore is probably smaller than LatticeMico32, if you care about design size (it’s 8-bit, LM32 is 32-bit, so less logic is needed to implement the operations).By the way, the project you mentioned has both LM32 and AVR softcores, they use the AVR for controlling the USB ports:http://lekernel.net/blog/?p=1189",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "406561",
"author": "mitesh",
"timestamp": "2011-06-16T10:09:00",
"content": "can we get led display of 32*32 led array……..",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,388.984615
|
||
https://hackaday.com/2010/08/19/replace-batteries-with-usb-power/
|
Replace Batteries With USB Power
|
Mike Szczys
|
[
"green hacks"
] |
[
"adapter",
"apple",
"battery",
"dowel",
"magic",
"trackpad"
] |
[Mark Bog] thought it was a waste to use batteries for his desktop touch pad. Quite frankly we agree that if you can avoid using disposable cells you should. He ditched the dual AA batteries inside of his Magic Trackpad and
built a battery-sized adapter to feed it some juice
. It consists of a dowel of similar diameter with a screw in each end. He scavenged a USB cord, connecting hot and ground wires to the corresponding pole of the adapter. Now his Trackpad is USB powered and never in need of a battery replacement or even a recharge.
We’re not familiar with the inner workings of Apple’s Magic Trackpad. We assume there’s a voltage regulator inside and we hope it doesn’t have a problem working with the 5V regulated power coming in from the adapter. If you’ve got the skinny on the hardware we’d love to hear about it in the comments. One last thing: because the forum linked above requires a login to view the images in the post, we’ve embedded the rest of them after the break for your convenience.
[Thanks to Patrick for the tip and the images]
| 47
| 43
|
[
{
"comment_id": "170352",
"author": "Josh",
"timestamp": "2010-08-19T20:26:09",
"content": "I was going to make some sny remark about how he spent ENTIRELY too much money on his setup there…While thats still true, i just realized its all running off his macbook, thats pretty cool. The fact that apple didnt even make it an option to use external power on those is kinda stupid in my opinion for just this reason.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170355",
"author": "Nomad",
"timestamp": "2010-08-19T20:34:59",
"content": "This thing is wireless?? O.OI always thought i’d be wired. (Don’t blame me pls. No Apple products in my house except for an iPhone 3G so no need to lookup the info on this…mouse/tablet thingy)BTW: Another Apple design failure. I bet they made it wireless because otherwise it wouldn’t look good in their minds. I’m still wondering that it’s that easy to make a wired power supply for this. Who would have thought, Apple didn’t design it to work only with batteries with some Apple chip inside them ;D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170354",
"author": "ravenacious",
"timestamp": "2010-08-19T20:35:11",
"content": "I tried this exact same thing with a digital camera once, but ended up completely bricking the camera somehow :( Clever if you can get it to work though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170357",
"author": "Frits Rincker",
"timestamp": "2010-08-19T20:37:24",
"content": "Smart, but be carefull not to draw to much current or you’ll fry the rectifier..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170358",
"author": "ZD",
"timestamp": "2010-08-19T20:37:27",
"content": "How long ’till a peripheral peripheral maker or battery company offers an adapter for this?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170370",
"author": "Haku",
"timestamp": "2010-08-19T20:47:25",
"content": "I too am suprised he got away with simply hooking the USB power into a device that runs off two AA’s and not using any voltage reduction bits, 4 and perhaps 3 AA/AAA powered devices can usually cope with plain USB voltage.I would’ve added 3 diodes into the USB wire to drop the voltage down by ~2.1v (3×0.7v) to 2.9v, as I’ve seen USB bluetooth adaptors that use two diodes to drop the voltage down to ~3.6v to run a 3.3v board.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170371",
"author": "Reaper",
"timestamp": "2010-08-19T20:51:54",
"content": "My logitech mouse is a wireless mouse that when I charge it I plug it into the USB. Unfortunately my logitech wireless keyboard still uses 2 AA batteries, although it says up to 3 years on the pair. I was thinking about making a charging circuit for it so it can do essentially what my mouse does. Just gotta make a circuit that can charge a 3.7v 1A LIPO battery from 5v and about 20mA, and then hide it in they keyboard with only a little microusb connector sticking out. Then, one usb cord for keyboard, mouse, AND cell phone. On a roll.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170374",
"author": "banal eads",
"timestamp": "2010-08-19T21:10:14",
"content": "typical apple design failure",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170377",
"author": "Luke",
"timestamp": "2010-08-19T21:22:33",
"content": "Nifty trick. This would be useful for a lot of older devices that run only on batteries which is what I pictured in my head before opening the rest of the article. Then I saw the new Apple hardware. Kind of a funny combination, but hey, it works!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170389",
"author": "Nitori",
"timestamp": "2010-08-19T22:02:19",
"content": "I probably would have added a mini USB port and small lipo cell and regulator to it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170392",
"author": "Decius",
"timestamp": "2010-08-19T22:15:14",
"content": "I use this for some of my guitar pedals, which the adapters usually don’t come with the pedal. I took the end off a power adapter and wired it to USB. It works even though the pedal requires 9v battery’s and a 9v DC.Don’t ask how since the USB is only 5v :s but it works.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170399",
"author": "sarsface",
"timestamp": "2010-08-19T22:27:50",
"content": "Decius, it probably only requires like 4v and then steps down from 9.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170405",
"author": "vonskippy",
"timestamp": "2010-08-19T22:34:11",
"content": "I did that with a cordless phone once. It was always running out of charge right in the middle of the phone conversation. So I took some wire (I round this really cool coiled wire) and connected the charging jacks on the phone base to the metal contacts on the bottom of the cordless phone. Now I can talk for hours – and I’ve found that the coiled charging cord is really fun to twirl around and play with.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3134694",
"author": "IBonds",
"timestamp": "2016-08-14T20:25:16",
"content": "What a brilliant idea, a phone that never needs charging. You should consider getting a patent for this design. I especially like the idea of a coiled cord that offers a little extra mobility and then retracts to a compact size.Now, if somebody would just come up with a wired phone system for use when there is little or no cell service.",
"parent_id": "170405",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "170409",
"author": "strider_mt2k",
"timestamp": "2010-08-19T22:37:49",
"content": "Rectifier?DAMN NEAR KILLIFIED HER!!HAR HAR HAR HAROh well, it’s an old joke anyway… :o",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170410",
"author": "Skitchin",
"timestamp": "2010-08-19T22:38:19",
"content": "I did something similar a few months backhttp://skitchin.blogspot.com/2010/05/xbox-360-controller-hack-cont.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170411",
"author": "svofski",
"timestamp": "2010-08-19T22:40:30",
"content": "I change batteries in my bluetooth mouse (2xAA) like maybe twice a year and it’s always on (though rarely used). These touchpads are power hungry much?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170414",
"author": "Osgeld",
"timestamp": "2010-08-19T22:45:57",
"content": "cool hack, but that is an awfully super expensive setup, its a shame you have to use a dowel and screwsa bit like putting K-mart rubber floor mats in your Bentley",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "170546",
"author": "Caleb Kraft",
"timestamp": "2010-08-20T01:16:43",
"content": "@Osgeld and others who pointed out price,If you want multitouch input for your PC, wacom’s latest bamboo series have touch features as well as multi level pen input. The device alone might cost a little more depending on what size you get (yeah, choices are great aren’t they?) but your entire rig will be cheaper. I’ve also usually seen linux drivers for wacom devices.",
"parent_id": "170414",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "170430",
"author": "gman",
"timestamp": "2010-08-19T23:50:26",
"content": "I did somthing like this once for a mp3 player which ran on a single AAA, except the power supply was two solar cells ripped from broken solar lights and mounted on a hat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170432",
"author": "JohnSmith",
"timestamp": "2010-08-19T23:55:21",
"content": "I did much the same as this to replace a AAA battery from an MP3 player with a D cell. It looked pretty funny, but would last for a week. Then I tried to go through airport security…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170446",
"author": "Xtremegamer",
"timestamp": "2010-08-20T00:39:32",
"content": "Why not put an induction charger on the backside and on the bottom of the table , that way your devices allways get charged when the stay in the region of the induction coil.just an idea ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170586",
"author": "Haku",
"timestamp": "2010-08-20T01:34:38",
"content": "@Reaper, check out the MAX1551 & MAX1555 chips out there, they’re all-in-one solutions to charging single cell lithium-ion & lithium-polymer batteries from USB & other power sources. Sparkfun sell the individual ICs and fully made-up boards with various connectors on.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170590",
"author": "Osgeld",
"timestamp": "2010-08-20T01:39:16",
"content": "@ Caleb, yep I have a bamboo (the small one) its the only thing that replaced my old wacom tablet",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170611",
"author": "Hirudinea",
"timestamp": "2010-08-20T01:48:58",
"content": "I got one of those video games you plug into the TV, it runs on 4 AA, think I’ll do this and hook it up to a plug in USB charger, should work.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170700",
"author": "Hitek146",
"timestamp": "2010-08-20T02:24:50",
"content": "^^^Diodes dissipate most of the .7 Volts as heat, so really probably not much more efficient than an LDO regulator. Personally I would have use a step-down regulator, diode, inductor, and filter cap instead. Great idea, though, and it is a shame that Apple didn’t, at least, add a coaxial DC power jack…Also, it seems like I remember this type of thing being sold back in the ’80s. If I remember, they were made of black injection molded plastic, with a thin cable coming directly out of the housing leading to a DC wall-wart. I know Radio Shack did sell a 9 Volt battery replacement kit that consisted of a wall-wart with the cable terminating into a 9 Volt type battery snap connector wired up in the opposite polarity of that of a battery…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170851",
"author": "Leithoa",
"timestamp": "2010-08-20T03:24:01",
"content": "You could also use a cell phone chager, Same voltage as USB without the hazard of drawing all of the amps your PSU can put out on the 5v rail.Every wall charger I’ve seen for phones and hair clippers etc, has been 5v @ 1 amp.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170980",
"author": "Haku",
"timestamp": "2010-08-20T04:02:48",
"content": "@Lathos, I bought an iRiver H140 many years ago when they were still being made, I still use it daily because it’s such an excellent mp3 player, but I remember seeing many postings on misticriver.com from very disheartened users who used Nokia phone chargers, because the connection plug was identical, and discovered the charger fried their beloved player.Though today I think almost all current mobile phones use 5v.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170993",
"author": "Haku",
"timestamp": "2010-08-20T04:04:20",
"content": "Forgot to add; since nearly day one I used a USB charging cable on my H140 and haven’t have any problems since.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171368",
"author": "Andrew",
"timestamp": "2010-08-20T06:37:21",
"content": "I did the same sort of thing with a surround sound headphone adapter I got. I wanted surround sound for my xbox, but wanted to use headphones, so I figured it was the best option. When I got it, I was disappointed to fine it only worked from 2 AAA batteries and had no external power jack (the international version of it did).I took apart an old NiCd AAA and got the ends from it, soldered a wire to each, then epoxied them to the ends of a pair of dowels. I found a smt 3v3 regulator and put it on a circuit board and regulated the 5v usb down to 3v3, so I wouldn’t fry it. It works quite well and I’ve never had to buy any batteries for it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171417",
"author": "wouter",
"timestamp": "2010-08-20T07:07:31",
"content": "so damn simple, but so effective..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171488",
"author": "emuboy",
"timestamp": "2010-08-20T07:55:04",
"content": "no regulation, no protection diode…it’s like nonprotected sex…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171490",
"author": "nubie",
"timestamp": "2010-08-20T08:06:38",
"content": "Sweet, I wonder if it could be modified to use the neodymium magnet type cord that the Apple laptops use, then it would look sleek and you could pop it loose if you need to.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171491",
"author": "Gian",
"timestamp": "2010-08-20T08:13:57",
"content": "Are you Apple detractors so full of free time? Why complaining on something you don’t even know… i mean: while this (ghetto)hack seems to be ok, no need to say “another apple design failure”; my logitech bluletooth mouse’s batteries have been changed once in 6 months: probably that damn trackpad could run for a year in typical usage with plain (non rechargeable) batteries. No problem in changing/charging batteries at this rate in my opinion, we’re no more in the early “1 day battery cycle” era anymore.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171510",
"author": "Steve jobs",
"timestamp": "2010-08-20T10:27:11",
"content": "there is some thing in the air(referring to macbook air)but thats that guy’s burning houseoh ____, that idiot is using 5v to overvolt it and exploit a top secret vulnerability to explode his house , and the after math will cost me money which as you all know is something i hate (that is why im living off disneys share)steve jobshttp://upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Steve_Jobs_signature.svg/128px-Steve_Jobs_signature.svg.png",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171540",
"author": "cgmark",
"timestamp": "2010-08-20T11:52:32",
"content": "Wanted to warn people to double check the polarity of any USB cable , DO NOT RELY ON THE RED BLACK WIRE COLORS. I have found some USB cables where the factories just used them for power wires without regard to colors.If people at the plant just put whatever color wire in the bin for a wire the machines feed it and assemble the cable . The machines do not care what color the wire is and both ends are assembled in one run so if red is in the ground slot it will run as that from end to end and the cable will work, but someone who cuts it and re-purposes it could end up in trouble.I destroyed a good LCD interface with one of these mis-colored cables.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171543",
"author": "fartface",
"timestamp": "2010-08-20T11:58:29",
"content": "Sweet! now I cant carry a laptop with me to power my portable equipment!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171546",
"author": "cgmark",
"timestamp": "2010-08-20T12:06:47",
"content": "5VDC is okay to power most portable devices like mp3 players through the battery connector . They usually contain chips that act as DC-DC converters and every DC-DC converter chip on the market I have seen in the last couple years has a max input of at least 5.5V and some as high as 6.6V.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171701",
"author": "walt",
"timestamp": "2010-08-20T19:41:06",
"content": "DNR! site won’t let you see images without registering.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171729",
"author": "Whatnot",
"timestamp": "2010-08-20T21:31:07",
"content": "@cgmark that was some good advice there, thanks for the warningTo the posters advising wacom: I love wacom tablets but all the tests and reviews say the touch part of the new touch&pen ones isn’t that hot, it’s a cute extra but it’s not what you’d hope for, so be aware of that.But for pen use wacom is great though, and the touch is a nice extra, just not a reason to buy.But maybe the next generation though?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "171730",
"author": "Caleb Kraft",
"timestamp": "2010-08-20T21:32:43",
"content": "@whatnot,bummer. I love my wacom, but haven’t played with one of the touch ones.",
"parent_id": "171729",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "172129",
"author": "derwin",
"timestamp": "2010-08-22T07:28:53",
"content": "i have one of these magic trackpads, i have a set of 8 of the same rechargeable NiMH’s that ive been using for almost 4 years. i can’t remember the last time i bought batteries for anything at all. really a great investment, if you’d even call $20 an investment.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "182472",
"author": "patrick perotti",
"timestamp": "2010-09-18T05:42:01",
"content": "help needed! loli am not electrically skilled and want to do something that seems easy, but want to ask all of you experts first. thank you.i would like to replace battery power for a device with an AC/DC converter. putting out the same Dc volts (and i think it must also be the same amps.)im ok with the votage, since the device is now using four 1.5v AA batteries, wired in series.does this mean i need a Dc power supply that puts out 6Vdc, and about 2400Ma? (I read that 1.5V AA batteries are about 2400Ms.)or, do i need 6vdc and FOUR TIMES 2400Ms, that is, 9600Ma.i think it is the former since i read that the amps do not cumulate when batteries are wired in series, only the voltage does.finally, if it is a 6cdc, 2.4amp transformer i need, where can i get one? if i find one with 6vdc, but only 2amps, is that ‘close’ enough to run most devices, or do you have to be right on the numbers.sorry if some of these questions are stupid, but i am not skilled in this area.thanks very much.send reply to my e mail,frmdablock@aol.com",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "196922",
"author": "Sandip",
"timestamp": "2010-10-14T18:09:50",
"content": "I am going to do one exp. To charge my cell’s battery by using dry cell. Is it possible?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "386516",
"author": "James Smith João Pessoa, Brazil",
"timestamp": "2011-04-26T23:12:05",
"content": "I have the magic track pad that is in use for hours every day. The original batteries have been in it a month and are still at 14%. When they are gone, I have rechargeable batteries with even higher capacity (2450 mAh vs 2000 mAh) that I expect will keep me going for many recharge cycles.One of the reason Apple products cost more is Econ 101. Price, vs value. Macs last longer, the software is cheaper, the resale value is higher, the repairs less frequent, and the wasted down time for system crashes is non-existent.But I wouldn’t expect Windows fan bois to understand that. If they were capable of of[comprehending facts, they would be using Macs.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "912682",
"author": "Stardog",
"timestamp": "2013-01-03T10:43:42",
"content": "Mr. Smith in Brazil, the 90’s called and they want their anti-Windows doggerel back. I could care less about your stupid Apple whatever. I’m still running a Windows machine from 2006 and a Windows laptop from 2002. The software is cheaper? What software are you talking about??? Half the software on my system was free. The stuff that wasn’t free I got on sale. Resale value??? Who wants to buy your old P.O.S. Apple anyway? Repairs? WTF are you even talking about? Seriously. System crash down time??? Uhm… most of that went out with in the era of Windows XP in the early 2000’s. Failures now mostly come from tweaking, fiddling, incompetence, or ignorance. Apple is a niche product–hence the reason for the price/value nonsense. Linux is for DIY-ers. Apple is for artists and posers. Windows remains the vehicle that drives the entire PC industry. As much as I hate Microsoft, if I want a machine that will kick your old man’s @55 in any of a dozen current mindblowing games, it will be running Windows. Put that in your pretentious pipe and smoke it, Sonny.",
"parent_id": "386516",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "6255288",
"author": "TSM",
"timestamp": "2020-06-18T10:37:48",
"content": "Is it possible to power it using a power bank",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,389.198076
|
||
https://hackaday.com/2010/08/19/modchip-hacks-ps3-via-usb-port/
|
Modchip Hacks PS3 Via USB Port
|
Mike Szczys
|
[
"Playstation Hacks"
] |
[
"backup",
"dongle",
"hard drive",
"modchip",
"playstation 3",
"psjailbreak",
"usb"
] |
[youtube=http://www.youtube.com/watch?v=4jOEbZEkp9A]
It’s been a long time coming, but the video above shows a modchip circumventing the PlayStation 3 security by running a game from a hard drive. The sites
Ozmodchips.com which sells the modchip
, and
psx-scene.com which has confirmed them as working
are both unstable right now due to heavy traffic. But here’s what we know. The device is called the PS Jailbreak and can be used to dump PS3 games to the hard drive of a PlayStation3 running the most current firmware (3.41). Dumped games can then be played from the hard drive by selecting them from a menu that the modchip spawns. It’ll cost you though. The current preorder price is $169.99 AUD or $147.47 US dollars with a projected delivery date of August 27th.
[Thanks Charlie via
Slashdot
]
| 74
| 50
|
[
{
"comment_id": "170272",
"author": "Jordan",
"timestamp": "2010-08-19T17:32:33",
"content": "that’s crazy awesome, but soon all modding will be done wireless-ly.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170280",
"author": "Ian",
"timestamp": "2010-08-19T17:39:09",
"content": "This is very clever. I really wonder how they did it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170281",
"author": "acacia",
"timestamp": "2010-08-19T17:40:43",
"content": "Not sure I believe this one yet. Even if it is true, that kind of sucks… I wanted my Other OS back not the ability to put 1 or 2 games on my hard drive.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170285",
"author": "Brennan",
"timestamp": "2010-08-19T17:51:50",
"content": "Wow. “Long time coming” is an understatement! PS3 did a really good job designing the PS3 to be hacker-proof. Of course we know there is no such thing, but it took forever to crack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170286",
"author": "Brennan",
"timestamp": "2010-08-19T17:52:04",
"content": "*Sony",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170297",
"author": "paul",
"timestamp": "2010-08-19T18:08:26",
"content": "Assuming this works, let’s not pat Sony on the back for 4 long years of protected machines just yet. There had been little need to hack the PS3 for homebrew all while it ran Linux and thousands of applications, officially endorsed by Sony way back in 2006. It was only recently that Sony screwed Linux users when they removed OtherOS, so it’s only been a few months in reality.I find it amusing the first thing we see is the door to piracy. Just watch PS3 sales go now!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170300",
"author": "vv",
"timestamp": "2010-08-19T18:09:40",
"content": "I’d like to get hold of one of these USB devices and see what it actually is. I’m not really willing to sink 160 bucks on it though. At that price I could just buy the games I want anyway!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170303",
"author": "osgeld",
"timestamp": "2010-08-19T18:21:32",
"content": "This was on slashdot eariler, and there wasnt that much information at that time, just a buy now link and that videoI am glad a 3rd party checked it out, but like with any console mod, I would wait a few weeks to see how the dust settles",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170306",
"author": "John Anon",
"timestamp": "2010-08-19T18:32:36",
"content": "Fuck Sony they deserved this for removing other os for “security reasons” I hope they loose the six court cases that are against them for removing it and loose even more money.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170318",
"author": "paphus",
"timestamp": "2010-08-19T18:56:50",
"content": "Sadly I will not be spending $150 on a product that sony could potentially block in future firmwares… Either way I am looking forward to cheaper the further hacking of the console =).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170320",
"author": "KayDat",
"timestamp": "2010-08-19T18:57:44",
"content": "Hey, I drive past that shop all the time. Maybe I should pop in and take a look?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170328",
"author": "CampGareth",
"timestamp": "2010-08-19T19:13:51",
"content": "Excuse me for going all conspiracy theory on us but Sony at long last make a profit on each console and suddenly they’re cracked driving console sales sky high, seems fishy to me",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170329",
"author": "Beegee7730",
"timestamp": "2010-08-19T19:15:04",
"content": "@KayDatDO EET NOW!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170333",
"author": "GIJames",
"timestamp": "2010-08-19T19:23:39",
"content": "I heard that it works by emulating a development tool used by ps3 devs for debugging.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170337",
"author": "h_2_o",
"timestamp": "2010-08-19T19:38:13",
"content": "wait 2 weeks for a chinese clone of the dongle to come out for $30 if you don’t want to drop that much coin.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170340",
"author": "Josh",
"timestamp": "2010-08-19T19:41:01",
"content": "Great job hackaday, now sony is going to remove our usb functionality. Seriously though, im glad geohot quit handing out free stuff to ungreatful idiots, he had a good run though. Sony has pissed me off, i kept my ps3 around in hopes somebody will come up with a hack like this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170341",
"author": "ELOHE",
"timestamp": "2010-08-19T19:41:14",
"content": "This is legit and confirmed by various sources that tested the device, in reality is a clone of the USB that is used to put the machine in developer or sat mode that enables it to run unsigned applications.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170345",
"author": "Word",
"timestamp": "2010-08-19T19:47:47",
"content": "Look. Modded my ps2 back when chips were required. Modded the xbox before softmods came out. Modded the wii as well, then added softmod. Now the XBOX 360 has the drive hack, and jtag hack. Modchips for all the consoles that had to be modded at the time had cost between $30-45.These tools making this ps3 device running a pkg file on a $5 usb memory stick are smoking some insane crap to charge $170. Look at the progress that was already done on the PS3, Geohot, these current Spanish hackers/TeamJungle that are working on the ps3 blu-ray drive, they’d never charge a penny, like the XBOX360 drive hack.I can’t wait if this turns out real, and REAL PS3 hackers like the one’s mentioned dump the code off those memory sticks, and decrypt it, if it’s even encrypted.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170348",
"author": "mick",
"timestamp": "2010-08-19T20:07:24",
"content": "@ word its not a usb memory stick, its custom hardware. there charging so much for it cause they know its guna be cloned 2 days after the release so there guna try to make as much money as they can.off topic from our conversation but i found this funnyPS3 Firmware (v3.42) UpdateThe next system software update for the PlayStation 3 (PS3) system will be released on August 19, 2010 (JST), and will disable the USB ports that are available on all PS3 systems, launched in November 2006. Due to security concerns, Sony Computer Entertainment will remove the functionality through the 3.42 system software update.In addition, disabling the USB ports will help ensure that PS3 owners will continue to have access to the broad range of gaming and entertainment content from SCE and its content partners on a more secure system.Consumers and organizations that currently use the USB ports can choose not to upgrade their PS3 systems, although the following features will no longer be available;* Ability to sign in to PlayStation Network and use network features that require signing in to PlayStation Network, such as online features of PS3 games and chat* Playback of PS3 software titles or Blu-ray Disc videos that require PS3 system software version 3.42 or later* Playback of copyright-protected videos that are stored on a media server (when DTCP-IP is enabled under Settings)* Use of new features and improvements that are available on PS3 system software 3.42 or laterAdditional information about PS3 firmware updates, including v3.42 (once it becomes available), can be found here:http://us.playstation.com/support/systemupdates/ps3/index.htm",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170350",
"author": "Word",
"timestamp": "2010-08-19T20:18:23",
"content": "@mickThis must have merit then if their removing USB port functionality, that’s going to seriously piss people off. It’s like when Geohot accessed some areas under Nix, and then immediately Sony removes the OtherOS function.We can only hope something real comes out of this that’s FREE. Just yesterday TeamJungle (The guys who originally hacked/write all the Xbox 360 drive firmwares) announces their working with these Spanish hackers on the blu-ray drive, they had dumped, and decrypted it the firmware. Then a day later we see this “psjailbreak,” crap.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170351",
"author": "kyle",
"timestamp": "2010-08-19T20:20:49",
"content": "@mick figures… i wish half the planet had the sense most of the readers here do to not buy hardware that is continually handicapped by the company you bought it from through ‘upgrades’. If that were the case maybe Sony, Apple, and the like would realize they can make more money bye just selling us cool hardware and letting us use it for whatever we want.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170359",
"author": "Nate",
"timestamp": "2010-08-19T20:39:17",
"content": "the mod is worthless, as its done through the usb port and not directly to the hardware within the system, it will be easier for sony to patch it up and is a complete waste of $150 which is outrageous",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170364",
"author": "Word",
"timestamp": "2010-08-19T20:45:34",
"content": "Quote from psx-scene: “We’ve heard from numerous sources that their PS Jailbreak clones will be hitting as early as next week. We’ll leave it up to you whether you want to take a chance on something like that. ”Haha. I wonder what those will cost, $99.00? lol.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170385",
"author": "steve",
"timestamp": "2010-08-19T21:46:32",
"content": "@Word, KyleI hope to god you are kidding around and can realise that the ‘firmware update’ is only a parody of the otherOS fiasco?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170386",
"author": "Nitori",
"timestamp": "2010-08-19T21:53:53",
"content": "Sony pretty much screwed themselves when they removed other OS now every hacker out there has their number.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170388",
"author": "mick",
"timestamp": "2010-08-19T22:00:31",
"content": "the thing i posted earlier about about sony removing the usb’s was a joke",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170393",
"author": "Aj_BlaZ",
"timestamp": "2010-08-19T22:16:33",
"content": "@mick good one hahah",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170398",
"author": "Xb0xGuru",
"timestamp": "2010-08-19T22:26:53",
"content": "@Mick – funny how nobody questioned it, eh!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170404",
"author": "andrew",
"timestamp": "2010-08-19T22:33:34",
"content": "People on engadget were saying that this only works on developer boxes, not consumer PS3s.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170413",
"author": "Patrick",
"timestamp": "2010-08-19T22:43:44",
"content": "I just read about the PS3 security there:http://www.edepot.com/playstation3.html#PS3_SecurityThis is how asymmetric encryption is properly implemented.Public key inside the chip, so if you microprobe the running chip to get plain machine code and read the public key from the chip you still don’t have the private key to encrypt plain machine code to encrypted machine code which you can feed to your PS3.IMHO, the PS3 is only really “hacked” if the private key is somehow found (like in the TI89/Ti200 caes by factorization) or if it somehow leaks from sony",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170415",
"author": "Word",
"timestamp": "2010-08-19T22:50:54",
"content": "@andrewEngadget is ran by morons. PS devs all in the scene have said this is real, and that it does work on retail consoles.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170425",
"author": "java",
"timestamp": "2010-08-19T23:11:30",
"content": "well if it lets us run unsigned code does that mean we can use linux again???if so i know a few universities that will be ordering a few hundred usb stick to get there super computers back up and running lmfao",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170427",
"author": "xrazorwirex",
"timestamp": "2010-08-19T23:22:23",
"content": "Flying my pirate flag high today; the next step is using this exploit to install modified firmware, effectively putting the ps3 on par with the psp in terms of ‘unauthorized’ code. Here’s to CFW asap.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170429",
"author": "Ps3",
"timestamp": "2010-08-19T23:44:59",
"content": "The only people who have these things already are morons.Quote: ” Can the USB Dongle be dumped? Possibly however initial common attempts to dump it have failed. The dongle is detected as an Unknown USB device in windows. It does not show up as a storage device. Trying to raw dump it with programs like Hex workshop also do not detect it since it doesn’t show as a storage device.”Someone send me one. I’ll dump whatever’s on it, and include pictures of the thing torn apart proving it’s just a flash usb device!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170440",
"author": "xorpunk",
"timestamp": "2010-08-20T00:33:55",
"content": "It’s already been reversed. It uses SCE licensed dev dongle code left into debug and retail units. This will be dead in a matter of time which is why they block updates with it.There is not exploit in it basically..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170442",
"author": "xorpunk",
"timestamp": "2010-08-20T00:35:50",
"content": "if people are smart they wont update anymore, the current FW is stable, and they can patch version checks from new disks in current firmware.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170472",
"author": "john",
"timestamp": "2010-08-20T00:58:56",
"content": "Keep ’em coming. I say “F” FONY. I paid for “It only does everything” functionality and they have the nuts to take that away… You can’t stop the people, FONY.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170792",
"author": "Hitek146",
"timestamp": "2010-08-20T02:58:48",
"content": "While I *do not* like closed systems, I understand that content developers will not develop or release content into a venue that has been compromised. A very unfortunate situation… : (",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170811",
"author": "Oz",
"timestamp": "2010-08-20T03:09:11",
"content": "@JavaUnless the universities you are talking about updated their PS3s to play online and chat with their friends, they are unaffected. I still run OtherOS because I haven’t updated, however I can not log on to PSN.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170929",
"author": "Smurff",
"timestamp": "2010-08-20T03:49:42",
"content": "i hope this works on my OOS unit still :) could care less about the PSN, hoping though that there will be a free/less spendy route to getting this running, i’m hoping that it will be mass released through some avenue (not sure on legality since i’ve read it was partially developed using a leaked SDK from Sony (much like UMDTools for PSP)so far it’s only reports though, i do trust the longstanding veterans of the scene that have tested this, and sure it’ll probably be somehow changed by a future FW (maybe) but either way, when this comes out, sony will make a boat load from increased console sales.Plenty of people have avoided buying Ps3’s for the sole purpose is it isn’t hacked like the rest of it’s family.Hope people have fun w/ this.ps removing OOS was utter bullshit anyway.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171105",
"author": "xorpunk",
"timestamp": "2010-08-20T04:46:52",
"content": "@Hitek146: If I got investors to give 10+ million for a project(cost for most commercial game titles now) I wouldn’t either. Studios don’t start making money till investors and a few other things are paid, plus server costs for multiplayer which are all on OC upsteams(very very expensive monthly).This may sound anti-social, but I can’t afford the credentials to work at any of these companies. I have no problem seeing all these hardware and software DRM implementations getting destroyed. I could of done the PS3 where it’d take years of chip reversing with only firmware changes. This didn’t even take work, this dongle is based on a lightly modified SCE tool, 99% of the code is SCE API and even extracted blocks from dev kit binaries..It doesn’t take brains to work in the IT industry, you think the fact all consoles are now defeated is sad, You can still rebuild SecuRom 7.42 with tools from SecuRom 7.3x(~3 years old), it’s the same VM and jump bridge xD. This is the most complex software only DRM in the world..literally, and x86 protector dongles aren’t any better.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171500",
"author": "Necromant",
"timestamp": "2010-08-20T09:31:05",
"content": "Well, hehe… That should have been expected. Yet I’m still not buying it until I have a linux running on bare hardware with no hypervisor. And it doesn’t matter whether it is vendor supported, or hacked.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171503",
"author": "Xb0xGuru",
"timestamp": "2010-08-20T10:02:10",
"content": "“While I *do not* like closed systems, I understand that content developers will not develop or release content into a venue that has been compromised. A very unfortunate situation… : (”@Hitek146 – 360 not already been hacked for over 3 years, your statement might have an ounce of truth. Fact is, it still has the highest attach rate of any of the next gen consoles. I certainly don’t condone piracy but if this takes off, Sony are going to be selling a whole bunch of consoles very quickly – that’s not a bad thing for them.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171504",
"author": "Xb0xGuru",
"timestamp": "2010-08-20T10:03:16",
"content": "Sorry, should have read “If the 360 had not already been hacked”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171539",
"author": "vitor",
"timestamp": "2010-08-20T11:41:01",
"content": "Dear Sony,That’s what you get for taking Linux away from us.Now die.:-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171542",
"author": "t&p",
"timestamp": "2010-08-20T11:57:00",
"content": "@Xb0xGuruI remember some icons documentary on G4 (yeah I know) that Microsoft knows about hacking during the time of the development of the 360. Their idea was to not stop it but manage it. Unlike sony’s, that take the apple approach and keep everything lockdown unless said so.M$ understands the power of word-of-mouth and likes the idea that free software to someone that is pirating it is kind of like free rented games at gamestop if you worked there. Tell your friends. They buy it, hack it, and tell their friends. Some get banned from xbox while others don’t. Lots just buy the game to just play with their friends on xbox live(that they have to pay points for). I would call this a negative free advertisement as the piraters just basically paid to advertise xbox!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171548",
"author": "cgmark",
"timestamp": "2010-08-20T12:16:53",
"content": "Anyone that works with USB knows that anything that uses it for communication is not secure. All it takes is about $20 in hardware and the proper software. You tap the usb data lines and record the traffic. Using winhex and windows to reverse engineer a dongle is not the way to get things like this down. This is why most companies have abandoned dongles. Anything that can be connected to an external interface is vulnerable.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171555",
"author": "xorpunk",
"timestamp": "2010-08-20T13:21:48",
"content": "Sony makes money, the people who make money off games and sale bandwidth to download them lose money..mmm trivial economicsI’m sure someone is going to try to say that just because nobody buys stuff doesn’t mean the seller is losing money. My response is you may want to go back to grade school and retake basic mathematics.Also this dongle isn’t a hacke. It can easily be patched from updates, blocked from game servers and even updated disks. Someone sold a “JIG” and someone else paid someone to reverse it then they manufactured it in some country..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171593",
"author": "bWare",
"timestamp": "2010-08-20T14:10:58",
"content": "Dongles are easy to secure. The host simply asks the dongle to sign a random number. The dongle then dose this (ideally with a one-time pad, but practically public key encryption is fine) and sends back the result. Eavesdropping or spoofing the communication doesn’t help. Theoretically you could physically read the key from inside the IC on the dongle, but it could be extremely hard in practice.Dongles on the PC have been abandoned because it is trivial to patch the software to ignore the results of the check.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171604",
"author": "Jon",
"timestamp": "2010-08-20T14:27:51",
"content": "meh, sony will just disable the usb drive. they will go as far as bricking the ps3 to prevent piracy.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,389.428707
|
||
https://hackaday.com/2010/08/19/todays-arduino-moment/
|
Todays Arduino Moment
|
James Munns
|
[
"Arduino Hacks"
] |
[
"arduino",
"digitalwrite",
"oled",
"shield"
] |
We have gotten a number of Arduino tips in the last couple days, and we thought we would combine them for your convenience. The first tip we received was for some hints provided by [Bill] on some
digitalWrite() alternatives
. Similar to some
previous research
we covered, this tip also includes some tips on how to make the direct register writing a little easier by using #define to simplify things. Obviously this wont be as idiot-proof as digitalWrite() is, but we think you can handle it.
Our second tip is for a set of
OLED displays from 4dsystems
sold as Arduino Shields. They have a couple of different sizes from .96″ to 1.7″, depending on your needs and budget. There is no official display library for them yet, but 4dsystems have been kind enough to provide a
few
resources
to
work
from. Hopefully we’ll see a few great applications from this, maybe a much bigger
pixel Mario
? A much smaller
Game of Life
? Feel free to
send us your projects
, or leave your ideas in the comments!
| 21
| 20
|
[
{
"comment_id": "170294",
"author": "matt",
"timestamp": "2010-08-19T18:06:02",
"content": "“Direct port access is not for the faint of heart”… lmfaoSBI/CBI instructions take 2 cycles, but the OUT instruction only takes 1. So couldn’t you do this:register unsigned char toggleMask = _BV(bit);PINB = toggleMask;PINB = toggleMask;PINB = toggleMask;…I haven’t tested it, but, ignoring the initial setup time (which is only 1 cycle anyway), your pin is now oscillating at 2 cycles per period instead of 4. (assuming you’ve unrolled the hell out of your loop!)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170304",
"author": "WestfW",
"timestamp": "2010-08-19T18:23:12",
"content": "Oh come on. This is old news, and there has long been code posted in the arduino forums and developer mailing lists that allow you do get digitalWrite() down to a single instruction (under appropriate circumstances) USING THE EXISTING SYNTAX. The only reason that it isn’t widely deployed is fear that the faster version would be backwardly incompatible just because of its speed, or because it doesn’t turn off timers that might have been used to produce PWM on the same pin.http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1267553811/0",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170309",
"author": "anon",
"timestamp": "2010-08-19T18:35:14",
"content": "Maybe tomorrow’s Arduino Moment will be about taking the AVR off of the board. Of course, once people realize what the Arduino is after taking out the Atmel chip there won’t be any more Arduino moments.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170311",
"author": "Finger",
"timestamp": "2010-08-19T18:38:37",
"content": "As for the OLED screens, I have (thorough) completed libraries for interfacing with the 128×128 (in both the serialized 4d board as well as just the screen itself if you want to control it with a uC) so if anyone wants the library to play around with (has a bunch of drawing functions in it as well as text, it is designed for the newer SSD1351 display driver as the older ssd1339 display driver that had built in drawing is no longer made) just say so and I can post a link to it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "492421",
"author": "Eric",
"timestamp": "2011-10-27T14:24:38",
"content": "@Finger :Please could you post your SSD1351 library ?Thanks,Eric",
"parent_id": "170311",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "170312",
"author": "blue carbuncle",
"timestamp": "2010-08-19T18:39:38",
"content": "Thank You HaD!!! I like the combo post :) Please keep it up :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170315",
"author": "John",
"timestamp": "2010-08-19T18:47:13",
"content": "You can never have enough tips.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170317",
"author": "Bill",
"timestamp": "2010-08-19T18:55:36",
"content": "“there has long been code”I wouldn’t call 4-6 months as ‘long been’ but the link has been added to my article, thanks.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170326",
"author": "Nakka",
"timestamp": "2010-08-19T19:06:16",
"content": "What’s all this arduino fuzz about anyway? Is simple bit arithmetic really _so_ hard to learn?I’m sorry, but I fail to see the advantage in functions like “digitalWrite()” anyway…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170372",
"author": "WestfW",
"timestamp": "2010-08-19T21:03:01",
"content": "@Nakka: ah; you’ve never talked to people who haven’t learned about binary. The abstraction of a microcontroller pin to a, well, “pin”, instead of some random masked bit in some weirdly named register is a good thing, IMO. Sure, you can claim that people who can’t understand how “PORTB &= ~(1<<6)\" relates to \"BIC PORTB,6\" or \"turn off the green LED\" shouldn't be programming at all. But I'd rather not.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170390",
"author": "onlinepharmacy",
"timestamp": "2010-08-19T22:05:14",
"content": "@westfw: i rather would.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170426",
"author": "Paul",
"timestamp": "2010-08-19T23:20:37",
"content": "Nearly 1 year ago, I wrote an optimized digitalWrite() that compiles to only a single 2-cycle instruction when the inputs are compile-time constants. I’ve been shipping it as part of Teensyduino since November (Teensyduino also has non-const optimizations). The const-case single instruction code has also been sitting in Arduino issue #140, maybe someday to become part of Arduino proper.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170720",
"author": "r_d",
"timestamp": "2010-08-20T02:31:33",
"content": "56 cycles to write a bit?! Just what in the hell is it doing that whole time?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171083",
"author": "WestfW",
"timestamp": "2010-08-20T04:33:22",
"content": "@r_d: a good question. It maps the pin number to a port using an indexed lookup to a table stored in flash. And to a bitmask. Check for “not a pin.” More mapping to timer information. If the timer register is ‘real’, it then makes sure that any PWM that that timer might have been driving on that pin is turned off (which involves additional logic.) Map the port to the output register for the port. Read the register, AND or OR the value with the bitmask (possibly complimenting the mask first), and write it back (using indexed addressing in both cases, since the register address is a variable. Which requires expanding the register address to 16 bits and saving some extra registers.) Plus normal function call overhead.It could be optimized a bit more, but it’s designed to keep the same basic structure across several CPUs, and isn’t really designed to be fast. It doesn’t need to be fast. After all, Arduino is designed with the knowledge that if you really need speed, you can drop into plain C code or even inline assembler. It’s not like some environments where the slow function is your only choice…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171439",
"author": "Thomas",
"timestamp": "2010-08-20T07:23:04",
"content": "Awesome, I really like these little Arduino goodies :)(I’m not so hard core as some seasoned hackers, but I love this site)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171494",
"author": "Alberto from Nutchip Labs",
"timestamp": "2010-08-20T08:30:10",
"content": "Agree with WestfW.I have a degree in computer science and more than 25 years experience in programming, but no, I can’t handle bit masking error-proof as I can with digitalWrite().If you are to write a pin, you code should say just that. Any trickery must be delegated to libraries and compilers, IMHO.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171515",
"author": "Alastair D'Silva",
"timestamp": "2010-08-20T10:39:28",
"content": "You may be interested in an Arduino runtime library replacement I have been developing over the last few months, which addresses this issue, and many others too, such as the ability to send serial data asynchronously.Full source & tutorials are available at:http://www.makehackvoid.com/group-projects/mhvlib-efficiency-oriented-library-avr-microcontrollers",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171606",
"author": "stefodestructo",
"timestamp": "2010-08-20T14:28:23",
"content": "@John. Thats what she said",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171711",
"author": "Matthew Garten",
"timestamp": "2010-08-20T20:36:24",
"content": "The uOLED library I used for the Arduino Watchhttp://www.instructables.com/id/Arduino-Watch-Build-Instructions/can be found athttp://code.google.com/p/uoled-library/Some of the libraries listed in the article don’t work with the current versions of the Arduino software while this one does.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172016",
"author": "Whatnot",
"timestamp": "2010-08-21T18:58:45",
"content": "@Matthew Garten He has a bit of annoying speech patterns that guy in the video, irks me how he can’t say arduino but says arduinio, why do people put extra letters in a word? it’s like americans saying wimbleton when pronouncing wimbledon, you can’t figure why they do that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173064",
"author": "vonPalitroque",
"timestamp": "2010-08-25T05:37:17",
"content": "According to avr-libc’s manual:PORTB |= _BV(0);andPORTB &= ~_BV(0);will compile tosbi PORTB, 0cbi PORTB, 0respectively, if available. These are two cycle instructions. If these instructions are not available, the resulting assembly looks like; sbiin r1, PORTBori r2, 1out PORTB, r1; cbiin r1, PORTBandi r1, 0xfeout PORTB, r1These are all 1 cycle instructions. In other words, it is faster to sbi/cbi if available, and the compiler automatically takes care of that for you. If you need a faster pulse on a pin, the best you can do is set up PWM.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,389.346829
|
||
https://hackaday.com/2010/08/19/lee-harts-memebership-card/
|
Lee Hart’s “Memebership Card”
|
Caleb Kraft
|
[
"Microcontrollers"
] |
[
"1802",
"cosmac",
"retro"
] |
[youtube=http://www.youtube.com/watch?v=hbsPddZsmVI]
In an act of retro revival, [Lee Hart] has created this “
Membership Card
“, an altoid tin sized tribute to the 1802 CMOS chip. Made popular in the late 70s in the RCA COSMAC ELF computer, the 1802 stole many a hackers heart. There’s tons of information available if you explore the site, from history to kit building experiences.
[via
Retro Thing
)
| 38
| 36
|
[
{
"comment_id": "170227",
"author": "Onelix",
"timestamp": "2010-08-19T14:50:19",
"content": "I do not understand what it does.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170232",
"author": "Edward",
"timestamp": "2010-08-19T15:13:46",
"content": "I would have appreciated some description of what the thing does in the article.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170233",
"author": "Luke",
"timestamp": "2010-08-19T15:18:38",
"content": "Nerds! Oh wait…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170238",
"author": "Jeff",
"timestamp": "2010-08-19T15:41:09",
"content": "That’s cool! I love the inclusion of a parallel port.I’ve wanted to build a COSMAC ELF since I first saw it described in Popular Electronics magazine.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170240",
"author": "Pogyhauler",
"timestamp": "2010-08-19T15:48:46",
"content": "I surmise that the purpose is not more than described. It’s a ‘Training’ system designedto lead you into 8 bit microproccessing internals.The question I’d have, is whether this is a useful endeavour atall.I don’t see much application for such a dinosaur design. or a ‘legacy’ processor. there is a reason why nobody tries to revive 1802, Z80s, 650xs, 6800s, or any 68xxx, or any of the 808x families.Though I have a life long love of Forth,(I still think in RPN)These are skills of no real use beyond feeding a personal fascination.Those with a need or interest in microcontrollershave dozens of better choices.I have the utmost respect for those who see a challenge like emulating an LSI11 on an FPGA.Or chasing the bounds of discrete logic.But, for my part, having lived it, I’d wish these 2nd gen processors would just die like the buggy whip.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170242",
"author": "Jeff",
"timestamp": "2010-08-19T16:11:46",
"content": "Geez, Pogyhauler! I doubt this project is intended for people getting their start with microprocessors. Like you said, there are lots of more modern and better devices.I think the purpose of this project is to make people like you and I who remember systems like this happy. I bet I have most of the required chips laying around unused in storage, and it’d be a hoot to complete a little project like this to make a little demonstration system to put in my display case with lots of other interesting (to me, anyhow) technology.(BTW, I share your fondness for RPN. I’m going to be lost when my Hewlett-Packard RPN calculators quit working.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170243",
"author": "hacknet",
"timestamp": "2010-08-19T16:12:26",
"content": "@pogyhauler – says the guy writing from an intel box.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170244",
"author": "WestfW",
"timestamp": "2010-08-19T16:15:26",
"content": "> nobody tries to revive 1802, Z80s, 650xs, 6800s, or any 68xxxOh, but they do! You can find any number of re-builds, emulations, and simulations out there. Not to mention that the z80 architecture lives on at Zilog (so to speak, anyway), and 68k lives on as Coldfire. And look at the state of PIC and 8051 microcontrollers, which are of the same vintage.Hmm. What’s the simplest computer with an actual (DMA, cpu-halting) front panel, anyway?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170267",
"author": "chango",
"timestamp": "2010-08-19T17:23:04",
"content": "@WestfW: You canstill order a brand new 65816from the original designer, WDC. They apparently do decent business licensing IP for embedding into ASICs.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170270",
"author": "Mattster",
"timestamp": "2010-08-19T17:27:26",
"content": "When I first saw RPN, it was as if someone knew how I thought. The Cosmac 1802 brings back memories of Mr. Dipippo’s class in highschool and seeing that not every PC had a keyboard like my Commodore 64 at the time.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170273",
"author": "Anon",
"timestamp": "2010-08-19T17:32:54",
"content": "“Lee Hart’s “Memebership Card”Eh…?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170298",
"author": "Jonathan Badger",
"timestamp": "2010-08-19T18:09:34",
"content": "To answer the query of person who doesn’t understand what it does — it’s a computer. It can do anything you program it to do. What you might not understand is the input and output. You enter an 8-bit value (which can be instructions or data) through flipping the switches and you see the output on the LEDs. This interface was common in 1970s micros such as the Altair (and the Elf, which this is a clone of, although the Elf actually had a hex readout)As for this not being practical, so what? Pretty much *all* electronic hacking is non-practical these days. Hardware hacking hasn’t been mainstream since the days of Heathkit. It’s easier and cheaper (but more boring) to just buy pre-made consumer electronics assembled by depressed suicidal workers in China. Hacking is really just about nostalgia, so why not try to make it as nostalgic as possible?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170391",
"author": "Tom",
"timestamp": "2010-08-19T22:12:22",
"content": "Can you please correct the title to the correct spelling of ‘membership’ I keep seeing it and thinking it’s an amazing joke that I’m not worthy to understand.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170401",
"author": "Justin",
"timestamp": "2010-08-19T22:29:20",
"content": "The 1802 was the heart of the Synclavier sampler from 1977. (The 30 somethings and re-run junkies might remember Stevie Wonder on the Cosby show with it). It was a sampler and did FM synthesis. The light up console buttons were from B52 bombers and I lust for them. In fact software is still being developed for terminal emulators to control these beasts. The parts were all high quality and the analog pre-processing is still sought after.The Synclavier computer system was then adapted into the Galileo space probe controlling it’s navigation and digital camera and digital radio systems.Both of which were mind bending pieces of technology in the day and far outlasted any reasonable expectations for capabilities because the designers using them were clever.Now nearly any consumer gadget now far exceeds them in any measurable spec, but do you think any of them will be around and studied the same way this programing trainer is? There are basic principles to be learned from this kit in a fun and hands on way that glancing over a diagram in a programing class will never teach you.I would like to get one to play with some day, but will probably drop an arduino in the next hobby project just because that is easy and available in the same way I am not going to buy a lathe for home improvement projects, but would still like to know how one works.Hacking can both be about finding the right sized answer and being clever with knowledge and materials. It is about the process and journey for the maker as much as the final piece.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170408",
"author": "localroger",
"timestamp": "2010-08-19T22:37:32",
"content": "In the early 80’s I was given a COSMAC Super Elf by the guy who had assembled it in 1975 (he had lost interest in it when he got a — wait for it — Xenix system).Today it is hanging on the wall behind my computer, framed. I had it framed in such a way that power can be applied via a discreetly located jack and it still works.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170428",
"author": "Chris",
"timestamp": "2010-08-19T23:41:31",
"content": "From the title typo I was expecting a reactionface etched on a functional board or something, still interesting though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170796",
"author": "Todd Decker",
"timestamp": "2010-08-20T03:01:26",
"content": "So, I’m the goofball who built this gem for Lee. There is a great article on Wikipedia on retrocomputing for skeptics who want to understand it. For me, it’s strictly a hobby. For my daughter (9 years), it has been a fascinating learning tool. She is picking up basic hardware concepts faster than I would have ever thought playing with it. What can you do with it? You can use it as the brains for your project just as easily as you could use an Arduino and, with this one, you don’t need a desktop super computer acting as a dumb terminal to program the sucker–just flip it in. As for the 1802, it is still in production and in fact the brain of some of the satellites currently in orbit and serving you every day.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170840",
"author": "db",
"timestamp": "2010-08-20T03:16:44",
"content": "if you think about this … the gear from the past is still quite relevant. for someone starting in the micros, yeah there are better choices but if you forget this one term “if we don’t remember out past history we are doomed to repeat it.” keeping things around like the 808X and so on processors is a fairly good idea. one day we may have to revert back to this “old tech” if something catastrophic happens",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170961",
"author": "Jeri Ellsworth",
"timestamp": "2010-08-20T03:58:27",
"content": "Small devices are not worthless, just because we can now make 45nm chip running Java, consuming watts of power, in BGA packages and requiring multiple supply rails.8-bit CPU’s like the z80 and 6502 are still the work horse of the toy industry, economy consumer products, embedded control and ultra low power devices. In my opinion they’re more useful now than when they were state of the art and cost a lot.IMHO: People should be less negative and make some fun projects.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170988",
"author": "GCL",
"timestamp": "2010-08-20T04:03:49",
"content": "@JustinYou’re close, but you just missed the gold.Synclaviers are a completely different beastie, then what the Gallileo space probe, and his relations are using. Synclaviers are related to the player-pianos. I know that, because my school had one in its music room, could also record rolls, but no one knew that because they never examined the unit. It was also horribly out of tune and sounded worse then a bar piano….I should also add that the synclaviers were second generation synthesizers in the Moog style.The probes wore specially built systems around the CDP1802 because the device is CMOS based and can resist the unhealthy environemnt that space is for electronics better. It also happens that the technology is still popular for space based activity because of this resistance. Some Rad-Hard electronics are available for the people who still prefer x86 based hardware but it is expensive.The CDP1802 has something else going for it, it is more difficult to program then the X86 or the R6502, or even the Z80. Which also made them popular for the space based fraternity.I don’t know about the blinking lights that kept the musician company, unless you’ve got facts that insist they were from retired Buffs.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3439918",
"author": "Eugene",
"timestamp": "2017-03-08T06:02:58",
"content": "RCA had versions of the CDP18XX family called SOS, Silicon on Sapphire, that was resistant to the intense radiation environment of Jupiter and deep space. Because it was CMOS, the same technology as the CD4000 series logic chips, the power consumption was much lower, also a benefit in space or in remote locations. The TTL, NMOS, PMOS, ECL logic of the that era just consumed to much power.",
"parent_id": "170988",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "171004",
"author": "GCL",
"timestamp": "2010-08-20T04:05:17",
"content": "Insert environment for the word I used… Tired laptop, almost tired person……",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171037",
"author": "dbear",
"timestamp": "2010-08-20T04:13:19",
"content": "If I remember correctly the 1802 chip was used in space probes and satellites because the chip’s design was relatively immune to radiation compared to the other chips around at the time. So that means when the radioactive space zombies invade on Dec. 21, 2012 this guy will still have computing power.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171038",
"author": "D_",
"timestamp": "2010-08-20T04:14:25",
"content": "Not sure what this is a membership card for. Those part of a community that enjoys exploring and using old tech perhaps? As a membership for any formal or informal, it’s really nothing different that the convention badges that use electronic circuits. All about the participants enjoying themselves, not what those who can’t understand think.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171064",
"author": "dbear",
"timestamp": "2010-08-20T04:22:15",
"content": "Like GCL said it has a weird architecture unlike any other chip I’ve seen. You have 16 general purpose registers any of which can be used as the program counter or as an index register. No call and return instructions. The COSMAC VIP was my first computer and I still have mine in my shop.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171594",
"author": "quagmire",
"timestamp": "2010-08-20T14:13:04",
"content": "Kewl thing…Just one issue, where can you purchase an 1802 these days, if I can get one, retro here I go…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171614",
"author": "lwatcdr",
"timestamp": "2010-08-20T14:50:56",
"content": "@Todd DeckerYou built a pocket elf!Is the parallel port bidirectional?Just wondering if you could use it to interface a UART for a serial terminal.I vote it as a very wicked hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171650",
"author": "Lambdadork",
"timestamp": "2010-08-20T16:53:26",
"content": "All this talk of RPN when this processor doesn’t even HAVE a stack..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171700",
"author": "Lee Hart",
"timestamp": "2010-08-20T19:25:18",
"content": "I’m the idiot that designed this thing. :-) Why? Many of the comments above provide clues!To really learn something, you need to begin with the basics. Start at the bottom of the ladder, and work your way up. Master each step, them move up to the next.But today’s computers have basically sawed off all the bottom rungs of the ladder. Those that learned “way back when” understand how computers really work, and they can build and improve them further. But those starting off today look at computers as an appliance (or worse, as “magic”). They don’t really have a clue how it works. They depend on someone else to design it, build it, and program it for them.This leads to hideously inefficient systems. They think that millions of transistors and megabytes of code are needed to do even simple tasks.But the vast majority of microcomputer applications are tiny little gadgets, like a pocket calculator for example. If Windows and a Pentium were required to make one, there would *be* no pocket calculators! There would be no way to “climb the ladder” to invent them, perfect them, and make them affordable.The idea of the Membership Card is to show how small and simple a computer can really be. You really *can* build it yourself, from scratch. No surface mount, no custom parts, no proprietary code.And, you don’t need any expensive programming hardware or megabyte compilers. Yes, there are 1802 C compilers; but there are also Tiny BASICs and FORTHs that run with 1/1000th of the resources.1802 machine language seems odd in light of today’s super-complex CPUs; but it is refreshingly simple. It is Turing-complete; it can do anything that any other computer can do. Basically, it has 16 16-bit registers that can be used for anything; program counters, stack pointers, DMA registers, general purpose storage, etc.No stack pointer? Hah! You can have *ten* stack pointers if you like. No CALL instruction? Baloney; you write what amounts to microcode to create one. If you want CALL to push the PC and also save three other registers on the stack, then you can! The 1802 makes you *think* about what you want your instructions to do.Hardware wise, the Membership Card has the same sort of bit/byte input and output ports as a BASIC Stamp, Arduino, or any other micro. I’m using mine to make small robots; the stepper motors connect directly to the output port, and the input sensors connect directly to the inputs. I’m using the Q output and EF4 input for a serial port to a PC.Another feature of this older technology is low power consumption. The Membership card *runs* on 3v at 1ma. There’s a jumper to disable the LEDs, since one LED takes 10 times more power than the whole computer. Or, you can unplug the front panel once you’ve loaded your program (it’s no longer needed) and use the Membership Card by itself.It takes no great genius to bury a problem with brute force. In constast, hacking is all about finding clever ways to do more with less. “Running light without overbyte” as Dr. Dobbs used to sas. The 1802 and Elf computers amply demonstrate this principle!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6301609",
"author": "Zoltan Pekic",
"timestamp": "2020-12-09T06:00:27",
"content": "Thank you for the awesome work! It inspired many to take up the retrocomputing hobby, and it motivated me to try to recreate it in FPGA using microcoding.https://hackaday.io/project/172073-microcoding-for-fpgas",
"parent_id": "171700",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "171749",
"author": "Todd Decker",
"timestamp": "2010-08-20T22:10:25",
"content": "@quagmire eBay has them for sale and Lee might sell you one too. He has a Rev B board that fixes some of the problems we had to work through on the Rev A version.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171752",
"author": "Todd Decker",
"timestamp": "2010-08-20T22:13:01",
"content": "@Lambdadork Slight semantics, you’re right that it doesn’t have stack instructions built into it, but you certainly can implement one, two, or a dozen stacks if you want. A stack is just a basic data structure that can be implemented memory. One doesn’t have to have dedicated instructions built at the processor level to use one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171760",
"author": "Justin",
"timestamp": "2010-08-20T22:51:08",
"content": "GCL,Synclavier, from New England Digital. It’s a digital FM/additive and sampling workstation from the late 70’s. I have been poking around reading about it’s specs and the block diagrams all after noon and it’s been a great read.http://www.500sound.com/uniquesync.htmlIt’s frequently referenced that the ABLE microcomputer is on the probe, but the only specific reference I read was that it was a digital camera controller. The ABLE system was classified for a long time and shows up in weird places as it was one of the few available powerful microcomputers at the time where big iron was the way for business and academics. There are references that it was used for the appletalk routers.I can’t find any specific mentions of the 1802 chip, but as an undocumented TTL system it might have it and only a teardown will show.SynclavierII photos have beautiful buttons for the console.The synth it’s self were not in the moog style as moogs were analog synthesis and this was all digital. There were many input devices (light pen, terminal and a scripting language called SCRIPT) and the block diagram shows register for storage and transition devices modems and possibly paper tape but certainly is not a player piano (digital synth, no strings attached!)There is one reference that a z80 is used for some of the sampling functions.And now I think I caught contact Aspergers defending my original post.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171768",
"author": "Todd Decker",
"timestamp": "2010-08-20T23:13:52",
"content": "@Justin Really nice article on the NED Synclavier. One of the reasons I got back into the 1802 Elf (I built one of the original ones as a kid too in Junior High) was so I could recraft the VIP 4-Channel Super Sound card and play with it’s version of 8-bit synthesis.Here is some information about some of the sounds from the First Philadelphia Computer Music Festival where some of the Super Sound music was demonstrated:http://www.vintagecomputermusic.com/RCA_Cosmac.php",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171822",
"author": "Nathan",
"timestamp": "2010-08-21T04:06:24",
"content": "I really don’t understand why so many people are unhappy about this, and retro-computing in general. As a 19 year old CS major I find projects like this insanely interesting. I actually spend most of my summer researching trying to design a front panel operated Z80 system. And they are a really good way to learn with. No offense to my professors, but I honestly believe I learned more constructing my N8VEM than i did in my first year of CS courses. Not by fault of theirs but, but building a machine like this just offers so much more to learn.Some people may say devices like the Z80 and the 1802 need to die out, but for educations sake I hope not. There is so much to be learned before moving up to an Arduino or Basic Stamp. Not that i have a problem with these devices, but I wouldn’t want to start with one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "429007",
"author": "baobrien",
"timestamp": "2011-08-05T16:56:08",
"content": "I just found one of these 1802 chips in some old junk and other things that a member of my radio club game to me.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "429033",
"author": "Lee Hart",
"timestamp": "2011-08-05T18:12:26",
"content": "1802’s show up in the darndest places. All sorts of small portable gadgets used them, because nothing at the time could match their low power and noise immunity. Chrysler used them in their ICE emission control computers, for example.I just got my rev.C on the Membership Cards, and have them in stock. Bare boards are $25, which includes both the micro card and its front panel card. A complete kit is $89. Prices include the manual and shipping in the USA. Let me know if you’re interested. leeahart at earthlink dot net.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "2199549",
"author": "Josh Bensadon",
"timestamp": "2014-12-02T01:04:15",
"content": "This is an old thread, but still worth a comment or two. Most people here like to play with electronics and the 1802 is a great processor to play with. I believe there should be a better description and write up on this project. Calling this processor a dinosaur is a very immature point of view. That’s like walking past a Ford Model T and saying that car won’t go very fast. This old processor has it’s own unique style. One of the nicer things about this processor is the multiple clocks required to complete each instruction. You can think of it as “seeing the moving parts”. I may be a little biased, since my first computer was a COSMAC ELF, but if someone shows me an old mechanical calculator, I would not be so quick to dismiss it as an inferior product. Certainly an old Curta wouldn’t be used any more in a classroom, but I would certainly value such a treasure. The 1802 is nothing less than a treasure. I bet if you could measure project building and working fun, Lee’s Membership Card project would rank in the top 10% of all kits.Josh BensadonPS. I have found the best use of new technology is to preserve and illustrate the old technology. The best movies released on Blu-ray are the old classics.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,391.539994
|
||
https://hackaday.com/2010/08/19/7-segment-sudoku/
|
7-segment Sudoku
|
Mike Szczys
|
[
"classic hacks"
] |
[
"7 segment",
"nixie",
"shift register",
"sudoku"
] |
[John Sarik] keeps cranking out new ideas for his digital Sudoku project.
This time he’s using 7-segment displays
for each digit. The game play works the same as
the Nixie Tube version
, but this makes things quite a bit easier to build. The board above is one of the nine modules that make up the game. They each use three shift registers to drive the nine 7-segment displays. With the help of five resistors all of the multiplexing is addressed via the serial input on those chips.
| 4
| 4
|
[
{
"comment_id": "170223",
"author": "catzburg",
"timestamp": "2010-08-19T14:32:14",
"content": "9!!?!? wow",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170225",
"author": "chris",
"timestamp": "2010-08-19T14:45:49",
"content": "minuturised it would make a great key fob!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170226",
"author": "chango",
"timestamp": "2010-08-19T14:47:32",
"content": "I really like the layout on this one. Well thought out.Too bad Freescale’s MC14489B is almost $5 in onesies. It’s a 5 digit 7 segment display driver that talks over SPI. The advantage is that the digit drive transistors are scanned from an internal clock so you don’t have to constantly drive out an SPI signal. That and you can ditch the transistors and cut the number of ICs to 2.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170544",
"author": "trashbearlabs",
"timestamp": "2010-08-20T01:16:08",
"content": "@chango Thanks for the IC recommendation. It’s hard to find drivers that aren’t designed for 4,6 or 8 digits. For this design I wanted to see what I could make just using parts available from SparkFun. Get back to basics so to speak.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,391.375137
|
||
https://hackaday.com/2010/08/18/make-iphone-a-penetration-testing-tool/
|
Make IPhone A Penetration Testing Tool
|
Mike Szczys
|
[
"iphone hacks",
"Security Hacks"
] |
[
"aircrack-ng",
"ettercap",
"jailbreak",
"nikto2",
"penetration testing",
"pentesting",
"set"
] |
[Nicholas Petty] has posted a guide to
setting up your iPhone as a penetration tester
. You already carry it around with you and, although not too beefy, it does have the hardware you need to get the job done. So if you’re not interested in
building a drone
or
carrying around a boxy access point
try this out. The first step is to jailbreak your device and setup OpenSSH so that you can tunnel in for the rest of the setup. From there the rest of the setup is just acquiring build tools and compiling pentesting programs like
Aircrack-ng
,
Ettercap
,
Nikto2
, and the
Social Engineering Toolkit
. You’ll be up to no good testing your wireless security in no time.
| 27
| 25
|
[
{
"comment_id": "169988",
"author": "giovannizero",
"timestamp": "2010-08-18T20:10:18",
"content": "Very cool, I’d like to see a similar guide for android.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "2955526",
"author": "Classic Toxin",
"timestamp": "2016-03-16T00:49:06",
"content": "It is basically the same just install a terminal emulator from Google play",
"parent_id": "169988",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "169992",
"author": "Word",
"timestamp": "2010-08-18T20:21:47",
"content": "Why post this now? This article is several years late, this was all possible with iPhone version 1.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169993",
"author": "AK",
"timestamp": "2010-08-18T20:23:19",
"content": "the title of the post is full of all kinds of wrong",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169994",
"author": "neorazz",
"timestamp": "2010-08-18T20:23:48",
"content": "alright now how do i do the same thing on a droid ?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169996",
"author": "ziplock",
"timestamp": "2010-08-18T20:28:15",
"content": "This is OLD news, and also misleading. The iPhone will NOT be capable of packet injection, which is a major part of aircrack-ng.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169997",
"author": "Tiao",
"timestamp": "2010-08-18T20:31:01",
"content": "Wow, is that serious i can install All this “iPhone only” apps, to make a pentest tool? ¬¬",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170000",
"author": "mowcius",
"timestamp": "2010-08-18T20:38:36",
"content": "AK, yes, it’s too late in the day :p",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170007",
"author": "kevin",
"timestamp": "2010-08-18T20:59:04",
"content": "On a side note, why does every guide everywhere says use SSH when “iphone browser” does the same with with a GUI? I’m not related to them, I just like it way better than SSHing all the custom themes and stuff I make.http://code.google.com/p/iphonebrowser/downloads/list",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170008",
"author": "Nick",
"timestamp": "2010-08-18T21:00:11",
"content": "I know that this has all been done before, but I wrote this because of the lack of actual documentation of it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170009",
"author": "osgeld",
"timestamp": "2010-08-18T21:13:45",
"content": "he said penetration and tool",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170023",
"author": "LazyMegaMan",
"timestamp": "2010-08-18T22:29:05",
"content": "Came here to say “Ok, NOW I’ll get an iPhone.”But upon reading it’s unable to implement packet-injection, it looks like I’ll have to keep waiting for an interesting iPhone app to pull me into the purchase. Guess no one’s hacked it into the wifi drivers yet.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "2955531",
"author": "Vlassic Toxin",
"timestamp": "2016-03-16T00:51:12",
"content": "Get a Nexus",
"parent_id": "170023",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "170042",
"author": "Leithoa",
"timestamp": "2010-08-18T23:39:02",
"content": "Perhaps not as in depth as yours(I haven’t read it, sorry), but it’s not too shy on detailshttps://www.defcon.org/images/defcon-17/dc-17-presentations/defcon-17-thomas_wilhelm-hacking_ipod_touch.pdfAnd the Actual talk with slideshttps://media.defcon.org/dc-17/video/DEFCON%2017%20Hacking%20Conference%20Presentation%20By%20Thomas%20Wilhelm%20-%20Hacking%20with%20the%20iPod%20Touch%20-%20Video%20and%20Slides.m4v",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170054",
"author": "M4CGYV3R",
"timestamp": "2010-08-19T01:20:25",
"content": "Use android and download/make your own. Unlike the iPhail you can actually write your own software without big company approval.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170108",
"author": "biozz",
"timestamp": "2010-08-19T05:42:54",
"content": "@Wordbecause i did not know about it and im not alonenot all of us spend 25 hours a day searching peoples blogs",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170110",
"author": "felix",
"timestamp": "2010-08-19T06:56:47",
"content": "IIRC you still cant use the monitormode for sniffing wireless networks, not on the iPhone also not on Android. Please correct me if I’m wrong because I’d love to be able to set up a small wireless capturing beacon for portable pentesting :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170134",
"author": "Nick Petty",
"timestamp": "2010-08-19T07:40:45",
"content": "@leithoa, thanks for the second link, i’ve been wanting to see that. The first one was actually some of the inspiration for writing this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170192",
"author": "g33k",
"timestamp": "2010-08-19T12:25:11",
"content": "It frustrates me no end to see this on iPhone. I’ve looked several times for similar toolkits for my Droid, to no avail. Yes, I know I can, in theory write/port it myself. Like most everyone, I’ve not got the time…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170197",
"author": "felix",
"timestamp": "2010-08-19T12:56:02",
"content": "g33k you can just load up debian on your Droid and run all those tools there",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170200",
"author": "mostlymac",
"timestamp": "2010-08-19T13:03:30",
"content": "I’m assuming that since the author mentions using snowbreeze to create a custom firmware to allow for a bigger root partition that this would be incompatible with the iPhone 4?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170282",
"author": "Navic",
"timestamp": "2010-08-19T17:45:04",
"content": "I’m pretty sure all cell phone wifi cards do not support monitor mode and packet injection, hence it can’t really ‘penetrate’ but merely ‘test’ wifi connectivity if you have the right key already…. Too bad :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170308",
"author": "g33k",
"timestamp": "2010-08-19T18:35:00",
"content": "@felix, I have read that one can load Debian, but doesn’t one lose the phone functionality?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170434",
"author": "NatureTM",
"timestamp": "2010-08-20T00:03:04",
"content": "I guess it’s fairly useful, portable, and discreet for recon, but I don’t think you’ll be doing too much actual penetration with it. Still, I loved Ettercap when I was into this stuff, and I can think of a few pranks and a few more malicious things that portable ettercap would be useful for.Oh, and I think Nmap should absolutely be on the list.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172132",
"author": "Maave",
"timestamp": "2010-08-22T07:54:43",
"content": "I looked into this a while ago but all the apps available seemed to be in just PoC stage.Any possibility of this on Android?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "886481",
"author": "alucardv",
"timestamp": "2012-11-19T11:01:26",
"content": "Nokia N900 is capable of injection. Just sayin’.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6215003",
"author": "Cybernyze",
"timestamp": "2020-01-29T09:43:58",
"content": "Hey,This article on makeing the iPhone a penetration testing tools is a great read, thanks for putting it together. I’m happy I found another amazing cyber security blogger.More grease to your elbow… :)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,391.203606
|
||
https://hackaday.com/2010/08/18/needs-more-leds-emsl-biggified-conways-game-of-life/
|
Needs More LEDs, EMSL Biggified Conway’s Game Of Life
|
Jakob Griffith
|
[
"home hacks",
"LED Hacks"
] |
[
"atmega164p",
"conway",
"game of life",
"giant",
"ir",
"large",
"led",
"leo villareal",
"table"
] |
Evil Mad Scientist Laboratories has
proven bigger is better
with their colossal LED table running
Conway’s Game of Life
. At the heart of the system is 44 ATmega164Ps controlling 352 LEDs on a 32×44 inch table; and to make it interactive IR LEDs detect the presence of objects.
The display is set up as an exhibit at the San Jose Museum of Art in tribute to
[Leo Villareal]
. To see a demo, catch a video after the divide.
Related:
Colossal LED tables
, and
Conway’s Game of Life
. Why has it taken so long to combine them?
[youtube
http://www.youtube.com/watch?v=9F5oER98xh8&feature=player_embedded%5D
| 33
| 32
|
[
{
"comment_id": "169947",
"author": "turn.self.off",
"timestamp": "2010-08-18T18:15:07",
"content": "i do wonder if it would work better if they replaced the top cover with one based on the system used in ms surface and similar.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169953",
"author": "Joe The Hacker",
"timestamp": "2010-08-18T18:36:04",
"content": "Hmmm.. well it looks neat, but I still have no idea what the game is about…Maybe it could find a use for something more interesting…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169963",
"author": "ftorama",
"timestamp": "2010-08-18T19:06:03",
"content": "why on earth so much AVRs? 1 or 2 would have been large enough with a better refresh time…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169969",
"author": "deathventure",
"timestamp": "2010-08-18T19:18:41",
"content": "@ftorama, I imagine it’s because with each colored LED, there is a matching IR LED for it’s sensing. So each micro is controlling 8 LED outputs, and has 8 IR LED inputs. 352 LED outputs plus 352 IR LED inputs is quite a bit, not to mention the communications with the other micros.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169971",
"author": "Windell Oskay",
"timestamp": "2010-08-18T19:21:36",
"content": "@ftorama:Sure, our Peggy boards control 625 LEDs with kHz level refresh. However, that’s just output, and it uses highly multiplexed drive to keep the component count down.We have 352 analog inputs to manage at 400 Hz, and 704 LEDs to control at 20-40 mA depending. (Full power, non-multiplexed.) Using 44 $3 AVRs to handle these tasks is actually a cost effective method. Each has 8 analog inputs and can drive the 16 LEDs, with only a few resistors as external hardware. By making the system modular, it also replaces the problem of purchasing several large circuit boards ($$$$) with the problem of purchasing many small circuit boards ($$).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169972",
"author": "deathventure",
"timestamp": "2010-08-18T19:22:16",
"content": "oops, add 352 ir phototransistors too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169974",
"author": "ftorama",
"timestamp": "2010-08-18T19:25:40",
"content": "After writing, I thought about modularity. Thanls for this reply",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169999",
"author": "Brennan",
"timestamp": "2010-08-18T20:35:03",
"content": "@Joe The HackerI didn’t read the link, but it seems like this design is running a variation of “Conway’s Game of Life” which is not actually a game. It’s a self-starting program that consists of a number of cells on a 2D array, and on each “move” a cell determines whether it is alive or dead based on the number of cells around it that are alive or dead. It makes for some pretty interesting patterns, but there is no actual game to play.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170002",
"author": "nes",
"timestamp": "2010-08-18T20:45:11",
"content": "Why is the refresh scan (R -> L) so obvious in the videos? Is each of the modules running the same code, or is there one master here using the rest as dumb displays?I would have thought this would have been an ideal platform for demonstrating a true multi-processor AVR system. Each AVR tile runs exactly the same code which communicates its state after each generation to its eight neighbours. Then you have a pacemaker to ensure new generations are synchronised.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170006",
"author": "Windell Oskay",
"timestamp": "2010-08-18T20:55:09",
"content": "@nesEach AVR tile is running the same code, and each has serial communication to its four neighbors. Messages spread across the field, peer-to-peer, starting where ever the signal originates– in this case from the step/run/clear controls on the lower right. The propagation delay is set to 50 ms as we have it here; we liked the effect, and the fact that the changes ripple away from where you touch.The obvious way to ensure exact synchronization would be to ditch the scalable peer-to-peer design, and instead give each board a step and clear input line, controlled from a master board that has big drive transistors.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170014",
"author": "av",
"timestamp": "2010-08-18T21:44:34",
"content": "some kind of shift registers for the output would have been much better. also, RGB leds in each cell would really have let you make this thing do a lot more.as for input, you can read it in a row x col scanned grid, so you don’t need 352 inputs, you only need like, 30 inputs or so. you could have still built the boards to be modular and had only a much cheaper shift register chip on each board.think about how modern LED signs work — they have thousands of LEDs. imagine each set of 8 LEDs had its own microprocessor!the “right to left” scan makes it look slow. i suggest you get rid of it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170015",
"author": "sM10sM20",
"timestamp": "2010-08-18T21:48:31",
"content": "The way they programmed the game rules into this display seems to be flawed.A 2×2 square of alive cells will remain alive until another live cell is positioned next to it. If you watch @ 1:48 you see the rules are not followed correctly.Also at 1:52 you can see right where the 2×2 square used to be a single cell comes alive for just one generation without any reason.The coding is flawed or this was a fake demo…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170019",
"author": "Windell Oskay",
"timestamp": "2010-08-18T22:12:26",
"content": "@avIf there were physical on/off buttons you could certainly multiplex the inputs. This is a museum exhibit that can’t have physical buttons that wear out– hence the optical input scheme. The sensors are analog and need to be read out at 100 Hz+. Adding the distributed ADC hardware and a master controller is a lot more expensive than this scheme.We know about multiplexing and shift registers. We make *lots* of multiplexed LED devices– you’ve probably seen some of them. This is a different application with a different solution.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170021",
"author": "Windell Oskay",
"timestamp": "2010-08-18T22:18:39",
"content": "@ sM10sM20The sensor system is not perfect, as we discuss in the video– there are occasional false positives, most of which are due to our reflections as we’re walking around the thing demoing it. Watch closer, you’ll see another dozen or so events, including ones that we point out directly.(Also, there’s nothing all that complicated in this setup. Wouldn’t it be much more complicated to try and fake it rather than to just go and build it?)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170022",
"author": "Ben Ryves",
"timestamp": "2010-08-18T22:23:25",
"content": "@sM10sM20: That was explained in the video as “some random mutation from our sensors”. I guess that means that the inputs sometimes register a press erroneously and that causes cells to change on their own.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170045",
"author": "spyder_21",
"timestamp": "2010-08-19T00:07:45",
"content": "be cool to play tetris on this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170055",
"author": "M4CGYV3R",
"timestamp": "2010-08-19T01:21:41",
"content": "44 AVR MCs? Do they not know how to use shift registers?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170058",
"author": "Mikey",
"timestamp": "2010-08-19T01:34:15",
"content": "First off: Awesome Build!@Spyder_21: I agree, Conways game of life is a little boring, I’d like to see a game like pong or tetris (or other) on this — but I think that the fact it’s a museum exhibit gives them a reason to do something that will work without any user input. That being said, I’d be worried that the stop/pause button would be randomly triggered as a false positive and stop the display, or that the display would eventually die out, and just appear to be off to people. I think arcade buttons or switches on the side would have been the way to go.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170063",
"author": "Osgeld",
"timestamp": "2010-08-19T03:12:33",
"content": "seems like a LOT of mcu’s are eating up time talking to each other when driver chips could have been had at about the same cost (probably lower) with better use of thinking poweralso seems like instead of big pixels you could have done a higher res screen for more interesting graphicsalso “the game of life” done to deathIf Joe Blow did this, I would be all F YEA! but,I just expect more out of a commercial entity with a team of people working on a project",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170070",
"author": "windell oskay",
"timestamp": "2010-08-19T03:44:25",
"content": "@OsgeldThis was made to accompany a museum exhibit that specifically relates to LEDs and Conway’s game of life. Nothing else would have been appropriate.Yeah, it could have been done with shift registers and a central CPU, but it also would have cost significantly more. Seriously: price it out. Figure two 8-bit LED drivers, an 8-channel ADC, and a 74*14 buffer for the SPI clock & latch lines per board, plus a master controller that supports fast enough data rate to read out the sensors– maybe a beagleboard. No– wait– we spent less than a beagleboard on chips, total. If you need a bleepload of ADCs, MCUs are the best deal in town. Even if we ran this as one big shift register, using an MCU per board would still be the most cost effective way to get it done.And that “team of people?” There are two of us, and I’ve got a day job. We built this in less than a week on a low budget, and I hand soldered every freaking one of those chips myself. But don’t worry, we’ll remember to prioritize impressing you on our next project. ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170081",
"author": "Hitek146",
"timestamp": "2010-08-19T04:25:16",
"content": "I don’t normally make comments like this, but I cannot “hold my tongue any longer”…@Osgeld: I like you, man, and enjoy seeing your projects, but, little tact you have. You seem to be antagonistic quite often, and it tends to lower the mood here, so to speak. FWIW…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170085",
"author": "windell oskay",
"timestamp": "2010-08-19T04:34:17",
"content": "@OsgeldYou’re misinterpreting what I said. 7400s are dirt cheap; it’s the shift register LED drivers and ADC chips that get expensive. If you can show me a better way to do this, I will take it very seriously and even blog about it, giving you full credit. Please contact me off-forum if you want to discuss it in detail. My assertion is only that what we did here is one reasonable, low-cost approach to the problem. The chips cost $3.22, so a total of $142 for the chips in this project.Also, if you want an Arduino clone plus an 8×8 RGB matrix, you can get it on our web store, today, for a grand total of $33 (+ actual USPS postage + sales tax if you’re in CA). If you really think that this is overcharging, please let us know privately, and we’ll see what we can do to help you out. :)[HaD: sorry for the plug– it’s in self defense.]",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170086",
"author": "kd5uzz",
"timestamp": "2010-08-19T04:34:50",
"content": "come on guys – they did it this way and it looks great. They made a decision based on their view of the situation and have done a great job of explaining why they have choose to do it that way. we don’t know their entire build environment, nor should we care to. Maybe they do buy the chips by the 100, maybe their board house made them a deal, maybe this, maybe that. Discussing alt designs is fine but not when it becomes an attack. leave it at that. Period. End of story.It rocked, do more!Does anyone remember the board that was full of leds that acted as a multitouch device? It used the leds as inputs. It was on had a few years ago i think but i can’t find it. I was never able to figure out how they used the leds as inputs and outputs. Anyone have any thoughts on the matter?Could a similar tactic work for this project?If you have that many ir detectors, could you use an ir laser to draw on the display?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170091",
"author": "windell oskay",
"timestamp": "2010-08-19T04:59:13",
"content": "@kd5uzz>It rocked, do more!Thanks– We’ll try!>Could a similar tactic work for this project?Totally! Each board normally has 8 outputs to IR LEDs plus 8 analog inputs from the phototransistors. On a fresh board you can wire it up without the phototransistors, but instead hooking up each IR LED in series with a current-limiting resistor, between a pair of I/O pins– still using 16 I/O lines, but all digital now. The nice thing about using the separate IR LEDs is that you don’t see them (normally if you try and detect with the LEDs that you’re using as indicators they never can actually turn off all the way).I actually tried this out on the very first of the circuit boards, and while the board was pretty messy with the extra wiring, *it worked.* I thought for a while that we’d be able to use it for the project (and save soldering an extra 352 phototransistors!) but in a couple hours of fooling around with it, I was not actually able to get the response time to be fast enough to give the right for human interaction “feel” for this particular exhibit.It’s pretty neat stuff, though, so we just submitted our proposal for MakerFaire NYC about it: we’ll be demonstrating how to construct different types of IR sensor circuits like these, and hopefully we’ll be blogging about them this fall.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170093",
"author": "Hitek146",
"timestamp": "2010-08-19T04:59:54",
"content": "@Osgeld: I wasn’t trying to insult you, I have little tact, myself(possibly exampled in my previous post ;D), I just try to curb the urge to exactly speak my mind as much as possible, in the interest of those reading my posts.@kd5uzz: An LED will act as a phototransistor of sorts, but will not be as sensitive as an actual phototransistors. If you try to source current from the LED rather than sinking it, you can determine the value of a near light source. Standard rectifier diodes can also be used to determine temperature…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170094",
"author": "windell oskay",
"timestamp": "2010-08-19T05:02:01",
"content": "@kd5uzz>If you have that many ir detectors, could you use an ir laser to draw on the display?Yes with a software change– the default software uses lock-in detection to buck ambient IR interference (with moderate success). Even better than a laser would be just a simple TV remote or IR throwie, though– then you don’t have to bother about hitting all those tiny sensor targets.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170095",
"author": "Osgeld",
"timestamp": "2010-08-19T05:04:29",
"content": "“If you can show me a better way to do this, I will take it very seriously and even blog about it, giving you full credit.”yea let me drop everything to redesign your ciruit for blog credit“Please contact me off-forum if you want to discuss it in detail.”if your serious contact me osgeld(at)cheesefactory(dot)us“Also, if you want an Arduino clone plus an 8×8 RGB matrix, you can get it on our web store, today, for a grand total of $33”really? I would be interested in that, but looking at your product page right now the only thing I see that includes a rgb matrix and a arduino compatible system is the Meggy Jr RGB, which starts at 75$",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170096",
"author": "windell oskay",
"timestamp": "2010-08-19T05:13:08",
"content": "@OsgeldDiavolino: $13RGB matrix: $20",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170141",
"author": "Chris",
"timestamp": "2010-08-19T08:25:49",
"content": "What an unfortunate mess of comments. No, this isn’t how I’d do it, because I’m poor and cheap. But this is how I would WANT to do it. Having independent processing units interacting with each other on a massive scale is extra cool. Not only that, but you can make it as big or small as you want! I’m just a sucker for artificial interaction.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170170",
"author": "vespine",
"timestamp": "2010-08-19T10:17:55",
"content": "Can i just add my n00b cents worth and say I think it’s nice and pretty and I enjoyed watching the video.I think everyone’s entitled to their opinion and it’s hard not to take it personally if you’ve put love into a project. So just leave it at that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170174",
"author": "adpsimpson",
"timestamp": "2010-08-19T10:49:24",
"content": "@Caleb KraftIt seems Osgeld’s escaped his comment-ban again…A wonderful project, interestingly and well created, and the comments, which started off as a useful question and answer with the creator have been dragged down by one man’s blunt-headed idiocy. How sad.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "170198",
"author": "Caleb Kraft",
"timestamp": "2010-08-19T13:02:13",
"content": "@All,Please stay on topic. Osgeld and Windell have discussed some interesting points. I’ve removed everything that was off topic and overly insulting.Let me be clear, you can detract and discuss all you want. Please make it about the project and on topic. If you personally insult someone or veer off into completely off topic rants, your comment will most likely be deleted.",
"parent_id": "170174",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "472763",
"author": "MikeW",
"timestamp": "2011-10-05T16:15:57",
"content": "Mikey: “Conway[‘]s game of life is a little boring”I understood the point of it to be, that unexpected complexity could come out of *very* simple rules, repeated in 2D.But you need a bigger matrix to see that, eg. with glider gun and combine harvester patterns.PS once ran some code on Conway’s original ‘Life’ PDP7 !",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,391.136848
|
||
https://hackaday.com/2010/08/17/super-simple-arduino-setup-lowers-electricity-bills/
|
Super Simple Arduino Setup Lowers Electricity Bills
|
Jakob Griffith
|
[
"home hacks"
] |
[
"ac",
"air conditioning",
"arduino",
"peter",
"system",
"thermostat"
] |
An Arduino with 40 lines of code, a temperature resistor, and servo are all that’s truly needed to save some dough with
this thermostat
by [Peter Hamilton]. LEDs and a potentiometer are added as well to help set and read the desired temperature. With or without said additional parts, the hack is still ridiculously simple and we’re wondering why we didn’t have a similar setup on our blisteringly cold office AC system before seeing it.
Though, we’re going a bit further with our version, plans are in the making to add timers to turn off the system for extended hours while no one is at the office. What would you add?
| 38
| 38
|
[
{
"comment_id": "169552",
"author": "flakelabs",
"timestamp": "2010-08-17T13:34:02",
"content": "I’ve been thinking about this problem for a long time.First an sd card or xbee to log information.Now this is where it gets fun. I conjecture you could use an outside temp and correlate runtime for your heating and cooling. Then you could build a predictive model and forecast your heating and cooling.Then when you go greener you can actually prove you had an affect by looking at your predctive model.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169555",
"author": "gizmo",
"timestamp": "2010-08-17T13:44:38",
"content": "I would probaly add an IR sensor or PIR sensor. Controlling your thermostate with a remote control or based on actual movement in the office would be neat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169558",
"author": "bartsch",
"timestamp": "2010-08-17T13:50:49",
"content": "I would add reed switches on windows to turn off the AC if you open a window.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169559",
"author": "Jagerkatze",
"timestamp": "2010-08-17T13:52:40",
"content": "@flakelabs: That.I have toyed with the idea of taking that even a step further and setting it to run a range, i.e keep house between 72 and 77 degrees at all times. I figure it is a more efficient use of energy to cool from 77 to 72, then off, than to run every time the house hits 73 degrees.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169560",
"author": "Chris",
"timestamp": "2010-08-17T13:56:13",
"content": "woot! had a programmable thermostat for $7.99 the other day.The brewtroller (highly customized version of sanguino varient of arduino) with the fermtroller firmware installed can control either six cooling zones or three cooling + three heating. Primarily intended for controlling fermentation temps for home brewers but could certainly be adapted.http://www.brewtroller.com/wiki/doku.php",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169562",
"author": "OverFlow636",
"timestamp": "2010-08-17T13:59:53",
"content": "I too have started on my own thermostat based on an Arduino.some random plans i have been thinking about are, temperature monitoring of the whole house, so i can get a better average temp of the house not just the hallway.a touchscreen interface likehttp://www.thaieasyelec.net/index.php/arduino/3-2-inch-tft-touch-screen-with-arduino-interface-v2/p_68.htmlinet control, data logging, all the basicsan android app, or something to monitor my wife and i by gps to affect the cooling somehow",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169563",
"author": "Dan M.",
"timestamp": "2010-08-17T14:00:54",
"content": "Okay, here’s what I want, multiple coordinated boards with awesomeness. I want to use my home server a lot more than I do now. So, let’s have the home server running an A/C control program [simple enough]. A controller in each room with temperature, humidity, and ‘is someone in the room?’ controls over Ethernet [yes, wired, they aren’t moving and you don’t want them moved accidentally therefor breaking the server logic]. Each one reporting back every interval to the home server. An additional one outside under rain protection, but the same information being reported minus the person presence piece and maybe add in barometric pressure while we’re at it so you can detect raining or just ‘muggy’ conditions. Now, add some servos to the ductwork in A/C at specific points to control the Baffles to put the A/C where you need it, not just the whole house [should reduce overall usage of the A/C unit]. Then you add another controller/servo that could open a vent to the outside as a ‘source’ of fresh cold/hot air if you needed it instead of having the A/C kick on, you could have Mother Nature help you. How many times have you wondered why current A/C systems don’t do two critical things: 1. if you’re cooling the house and it’s colder outside than you want it inside, but it’s hot inside, just use the outside air [using only the fans, not the A/C unit which is your biggest power sucker in the house] and 2. Just because I have it on Cooler mode, doesn’t mean when we have a freakishly cold night in the Summer, that I want it 40F in my house or have to manually change it to Heat mode just for tonight [and remember to change it back to Cooler mode in the morning or come home to a stupid hot house], why can’t the A/C control handle that? A setting like “set for 76-79F in the Cooling mode, but don’t let it drop below 50F, okay?”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169565",
"author": "lwatcdr",
"timestamp": "2010-08-17T14:05:02",
"content": "I would say add an XBCard, a NIC, or even an RS-232 cable. Interface to a sever if you are running one and use that for data logging of even write a web based interface.If you are not already running a sever an SDcard would be the more green way to do data logging.Of course the serial interface could still be used for control and dumping of the data log.You could even have it download the data at boot up.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169566",
"author": "GreenLee",
"timestamp": "2010-08-17T14:08:44",
"content": "The air conditioner already had a thermostat knob. Was it broken?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169569",
"author": "osgeld",
"timestamp": "2010-08-17T14:12:20",
"content": "“What would you add?”a better power supply, that 9v battery is not going to last long with a linear voltage regulator and blinky led’s",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169570",
"author": "nezz",
"timestamp": "2010-08-17T14:17:20",
"content": "Words cannot express my feelings when I see hacks like this…..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169571",
"author": "Michael",
"timestamp": "2010-08-17T14:21:12",
"content": "Add a cheap 2 line LCD, it adds lots of code but the gain of a better interface is worth it. Also a cheap PIR occupancy sensor can be used instead of a timer system. Its simple and works well in offices where people are moving about all day, ie by the printer. An outside air sensor is only usefull if the system has a ‘free-cooling’ first stage that utilizes outside air to cool down the controlled space, otherwise the outside air is for logging only. Adding an sd card is a good idea for tracking system use.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169573",
"author": "Benjamin Sautner",
"timestamp": "2010-08-17T14:27:55",
"content": "Cool – you could have your Arduino thermostat post to twitter and facebook and logged on google’s cloud computing architecture with this bit of codehttp://nimbits.blogspot.com/2010/07/data-in-connect-arduino-to-nimbits-data.htmlusing the Nimbits data logger.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169575",
"author": "GeekDoc",
"timestamp": "2010-08-17T14:30:01",
"content": "FTA: “I have it polling every second…” “…I think having it poll so often uses way too much power.”Doesn’t the Arduino have interrupts and a low-power mode that could be used for this?I’m new to microcontrollers, and haven’t used any ATmel chips, so forgive me if it’s a dumb question. I’m starting out with the MSP430s, and they draw just a few (<10) microamps in low-power mode waiting on an interrupt. Except for the servo power, this project done on the MSP430 would probably run for a year off that 9v battery.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169576",
"author": "GeekDoc",
"timestamp": "2010-08-17T14:31:29",
"content": "Ooops, forgot about the LEDs. They’d need to be shut off most of the time, too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169578",
"author": "zerth",
"timestamp": "2010-08-17T14:34:49",
"content": "@JagerkatzeThat’s true, air conditioners are more efficient when they run longer. Oversized airconditioners are actually less efficient than one that can barely keep up.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169579",
"author": "Cynyr",
"timestamp": "2010-08-17T14:37:51",
"content": "@GreenLeeBecause the nob on that one is a simple bi metal switch, and the AC unit is rather dumb.As for the question about what I would add.1) An outdoor temp/humidity sensor2) A indoor humidity sensor3) A way to open and close a window4) A mositure sensor for the window, so it can be closed if it is raining5) Code to figure out the skin load of the room, and predict how much and when cooling will be needed.6) Code to check to see if simply opening the window would reach the temp/humidity set point.7) A small LCD and some buttons to change the set points.8) An alarm circuit that could notify me while I’m away if the AC fails to turn on, or turns off early.9) A few temp sensors through out the room for better temp measurements.My AC units in my apartment wouldn’t need any physical hacks, as they have IR remotes already, remote codes would need to be figured out though. Figuring out how to open and close my sliding windows with out damaging them could be interesting(fun).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169584",
"author": "osgeld",
"timestamp": "2010-08-17T14:48:40",
"content": "“Doesn’t the Arduino have interrupts and a low-power mode that could be used for this?”yes it does, its just a atmega328",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169594",
"author": "tinyhands",
"timestamp": "2010-08-17T15:28:40",
"content": "Like GreenLee, I fail to see the novelty in inventing something that already exists. What is the value-add here?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169596",
"author": "Grazz256",
"timestamp": "2010-08-17T15:36:56",
"content": "@Dan.M1) Air conditioners do this already, its called an economizer. You have to remember tho that you need the air outside to be substantially cooler (~10C) in order to get enough cooling for this to work. i.e. if the air out side is 20C and you want to cool your space to 23C you need alot of air flow. This is also more diffcult then just reading temperature, you really need to take into account humidity, air quality, etc..When controlling HVAC in general keep in mind that there are delays. Your room isn’t going to cool down in 1 second its going to take several minutes. If you try to control it too fast you will end up with an unstable system that will cycle constantly possibly getting worse each time.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169606",
"author": "jeditalian",
"timestamp": "2010-08-17T16:15:58",
"content": "a phone line/ internet connection so you can call/ping/whatever to turn on the AC when you’re planning on going there",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169608",
"author": "jeditalian",
"timestamp": "2010-08-17T16:17:20",
"content": "ooh and a modified stungun to zap that sneaky bastard who’s always fooling with the damn thermostat!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169639",
"author": "Dan M.",
"timestamp": "2010-08-17T17:08:01",
"content": "@Grazz256That’s very true. I was going with my personal experience with “whole house” fans. They had a timer, which matches your note of taking time, but we would open a few windows and within a few minutes the whole house had the air changed and could drop the house temp very quickly (~10 minutes total).As far as the air quality, I agree that it would need to be accounted for as best we can. That’s why I noted the “muggy” test that could be expanded by more than just temperature and humidity, but I wouldn’t go as far as checking parts per million quality [at least not in version 1.0 :D]I guess adding an ‘air quality’ retrieval module from the weather.com or other online source before opening the exterior vents would be a good test that wouldn’t require an additional controller, just a web service consumption.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169649",
"author": "Cynyr",
"timestamp": "2010-08-17T17:36:55",
"content": "@Grazz256Most “cheep” AC units in apartments do not have an economizer mode. The one that died on me was from the 80’s but it at least had an exhaust vent (it could vent a portion of the air the fan moved outside. My current one does not.My current AC unithttp://www.appliancesconnection.com/i101606-gibson-gah126r2t.html@Dan M.A quick google turned uphttp://www.bapihvac.com/AQS_Room.htmas a way to measure for various gases in the air, andhttp://parts.digikey.com/1/parts/1691852-humidity-sensor-smd-3-w-filter-hih-5031-001.htmlfor a humidity sensor. I’m not sure the air quality sensor picks up things like smoke and pollen.Tuning the control loop is where the art/skill comes in. But should be doable better than the crappy controls on my wall mount AC unit.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169689",
"author": "Tech B",
"timestamp": "2010-08-17T20:21:35",
"content": "I would make it also controllable via IRC, or have it read my emails so when I send myself an email saying “turn on” it would. I don’t always have access to the internet, but can email with my phone.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169691",
"author": "Jack Wood",
"timestamp": "2010-08-17T20:26:22",
"content": "A number of air conditioners have remote control inputs now. Mine did. I understand that rather than laziness of changing AC from your chair 5 steps away, it’s mostly for people who put their unit in high windows. Though it works for the former too. For kicks I added the codes to my learning remote.Which gave me a fantastic idea. I’m currently looking for parts to build a home theater PC. One is a set of IR blasters, so that it can control attached peripherals. And I thought, hey, why not hook one up pointed at the air conditioner, and add some basic HVAC logic to the HTPC?This air conditioner does, in fact, have an economizer, but what it doesn’t have is a timer, or the ability to adapt it’s temperature settings based on the temperature outside (I don’t need it to always be a specific temperature. Just lower than outside.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169732",
"author": "Gottabethatguy",
"timestamp": "2010-08-18T00:34:16",
"content": "Thanks for documenting your great project. Nice DIY spirit. If your windows are sliders and have wooden or unsealed jams you could install a motor in the wall and have it pull the window open or push it closed. The easiest way in this case I can think of to drive it would be by using a gear rack. I would suggest a prototype though so you don’t accidentally drive your real window through the other side of the jam during your beta testing lol.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169739",
"author": "john",
"timestamp": "2010-08-18T01:47:38",
"content": "LOL well i understand what you are trying to do but would it not be easier to spend 150 bucks on a honeywell 5000 pro that little gem will do every thing that will and right or go the next level and the honeywell pro 8000 that has a touch screen and you can,, do everything with it control heatpumps 2 to 3 levels of cooling and heating with duel systems it does it all",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169745",
"author": "Hitek146",
"timestamp": "2010-08-18T02:43:20",
"content": "If you have a steel frame window, you could just leave the windows all the way open, and then build a window insert with an actuator to open and close a partition. I’m thinking: Making a frame from aluminum C-channel stock, with the open sides facing out on the top and bottom, and facing inward on the sides. You could then use a curtain system with a roll on the top(think of a solid version of the roll-up cages they use to secure store entrances at night). Implement a worm gear to counter the ability to force the curtain back up, and you should be secure…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169746",
"author": "Hitek146",
"timestamp": "2010-08-18T02:48:51",
"content": "-steel frame window+aluminum frame windowand you would want to build the insert frame large enough to occupy the entire open area when the windows was completely open. The insert frame would have to be assembled into the window frame, and then couldn’t be removed from the outside by further opening up the sliding window panel…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169747",
"author": "Ben Wright",
"timestamp": "2010-08-18T02:53:10",
"content": "As a former energy consultant, I find this hack a bit pointless. My current electric bill (mid summer is $80. We live in a 3 bedroom duplex with all electric power. Because the AC unit rarely gets used our biggest 3 electrical loads are the water heater (electric), the dryer (electric) and the stove. If the AC unit has a working thermostat, just use it. Most residential units here in CA don’t have an economizer, because the ducting for the unit isn’t in place for a split system. The cost savings would be minimal for a 3 tom system. We leave our AC/heat pump off most of the year to save energy. We can do this because of good thermal orientation and good window shading. Currently 91 outside / 82 inside. As far as the other controls, there are all available commercially at a price (timer control, themostat/ outside air economizer / motion sensing / zone control / window venting) Adding external controls to a window unit you can’t reach is productive, I just wouldn’t go over the top.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169749",
"author": "syadnom",
"timestamp": "2010-08-18T03:05:26",
"content": "To posters about projecting heating and cooling needs. This is a VERY simply process that doesnt require taking a single temperature. Look up ‘degree day’.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169750",
"author": "Hitek146",
"timestamp": "2010-08-18T03:07:47",
"content": "@Ben:Are there commercial “window venting” units that can be used to retrofit an existing window, with no damage done to the existing wood framing/window framing? I see some really nice(and expensive) units that are meant for permanent installation, but don’t see any retrofit kits for renters, et al….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169766",
"author": "Hitek146",
"timestamp": "2010-08-18T03:24:58",
"content": "Oh, and @osgeld, sorry for speaking Latin… ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169778",
"author": "M H",
"timestamp": "2010-08-18T05:05:10",
"content": "Feature suggestion (assumes addition of better display) – display of how much energy used (in $, kWH, lb carbon) – estimated from on time & wattage of the AC.Display how much could save by turning the thermostat to slightly higher temperature.When you adjust the temperature, give estimate of impact on cost, etc. (i.e. turning down the temperature by so much will cost you so much per day/turning temp up saves you so much per. day).—Another suggestion – after you have programmed the temperature profile, have it gradually raise the temperature (one day it is 72, a few days later 73, etc., gradually let you acclimate to warmer temperatures).At the beginning of summer, 70 degrees feels really warm, a ways into summer it doesn’t feel so bad (and 80 or 90 feels hot). Take advantage of people’s adaptability to gradually shift towards less AC.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169786",
"author": "Ben Wright",
"timestamp": "2010-08-18T05:48:44",
"content": "The vent window actuators are for windows that you typically don’t have acess to for being skylights or too high on a wall. I don’t know how good of an ideal if would be to retrofit all the windows in an apartment to save money of the electric bill. The opening your window thing to stay cool only works with lots of airflow or a breeze. I use a fan outside the screen door at night to blow air into the house through the screen. Just opening all the windows in an apartment shouldn’t take too long. As far as temporary automation, I would think a piece of 3/8 threaded rod and a stepper motor shoud open a horiz. sliding window easily enough. You can get by without limit switches and just count the steps. Some assemble required. A verticle slider would be more difficult.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170090",
"author": "Az",
"timestamp": "2010-08-19T04:46:54",
"content": "Connect an input to the home/business alarm system, when everyone has left the building, put the A/C into ‘hibernate’.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171788",
"author": "Grazz256",
"timestamp": "2010-08-21T00:42:40",
"content": "A couple of thoughts on modifying windows…I’m not sure on new windows but old school vertical sliders used a weighted pulley system to hold the window open. Not sure if you would get enough friction to open the window but it should be easy enough to modify them.Crank out windows should also be pretty easy to modify with a worm drive motor.@AzThis is done all over the place already. Its pretty easy to accomplish with either a simple schedule or occ sensors. You do have to turn it on before its actually required to allow the room (and furniture) get to set point.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,391.33619
|
||
https://hackaday.com/2010/08/16/brain-wave-skimming-on-the-go/
|
Brain Wave Skimming On The Go
|
James Munns
|
[
"Medical Hacks",
"Peripherals Hacks",
"Toy Hacks"
] |
[
"bluetooth",
"mattel",
"Mentok",
"mind flex",
"mindflex",
"MOG"
] |
Master EEG hackers [MOG] and [Tim] over at the Makers Local 256 have been working on creating a
Bluetooth EEG listener
made from a
Mattel Mindflex
. This build is based on an
earlier build
of a group called [Frontier Nerds] (thanks for the heads up [Nathan]!), but this version ditches the Arduino in favor of a basic serial to bluetooth adapter for the sake of power efficiency (as well as not having to keep an Arduino strapped to you head). We have covered a
few
Mindflex
hacks
before, but this seems to be the most useful in a practical sense. They have included the code for a Bluetooth serial data logger, and the earlier build shows a good example of captured data visualization.
| 16
| 16
|
[
{
"comment_id": "169258",
"author": "Graham",
"timestamp": "2010-08-16T22:08:56",
"content": "Honestly I don’t even care what the post is about. You guys win just for using the picture of Mentok. Hackaday is now forgiven for any and all grievances.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169265",
"author": "epokh",
"timestamp": "2010-08-16T22:28:40",
"content": "I did an xbee version of it long time ago.http://www.epokh.org/blog/?p=317and I also de-soldered the original radio module to reduce power consumption.Who is da man?!?!?Jokes a part, do you get consistent alpha waves with closed-open eyes?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169284",
"author": "jeditalian",
"timestamp": "2010-08-16T23:32:33",
"content": "will i be able to upload images directly from my brain?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169291",
"author": "Jack",
"timestamp": "2010-08-17T00:07:19",
"content": "Keep your thoughts to yourself birdman!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169300",
"author": "Kaj",
"timestamp": "2010-08-17T00:27:55",
"content": "OOOOhhhheeeeeeeooooooh! *Gestures with hand*",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169302",
"author": "localroger",
"timestamp": "2010-08-17T00:35:57",
"content": "Considering the amount of effort being put into this they could have just bought a NeuroSky MindSet from the makers of the MindFlex technology, which already does the bluetooth thing and has a standard published API. Yeah it’s $200 but it comes out of the box ready to roll with Bluetooth serial EEG data, Bluetooth audio on a separate channel (it’s in the form factor of a set of headphones), rechargeable batteries, and you don’t look like a refugee from Real Genius when you’re wearing it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169399",
"author": "Tuttle",
"timestamp": "2010-08-17T04:23:17",
"content": "Hello, I would like to point out that this post appears to erroneously be giving credit for both projects to the team from makers local, where in the Arduino version is from a separate person(s).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169403",
"author": "jeditalian",
"timestamp": "2010-08-17T04:54:17",
"content": "i got ‘real genius’ and ‘weird science’ mixed up there for a bit. was going to ask when somebody was going to make a virtual genie girl out of shitty old computers",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169508",
"author": "salec",
"timestamp": "2010-08-17T09:10:27",
"content": "@localroger: Yeah, sure, but buying is not hacking, which incidentally happens to be the focus of this site. However, using ready made gadget as part of a larger hack (like mind activated TV-be-gone or whatever) would be appropriate, IMHO. Have something on your brain^W mind?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169545",
"author": "Mike",
"timestamp": "2010-08-17T12:29:18",
"content": "Very nice to see some huntsville guys doing great things. I really need to stop by your shop and check things out.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169644",
"author": "localroger",
"timestamp": "2010-08-17T17:27:40",
"content": "@salec point taken about the purpose of HaD but what I was getting at is that hacking shouldn’t be pointless, it should get you some feature that isn’t available (cheaper, faster, jailbroken, etc.) or your time is better spent on a different hack. This hack is more expensive than the commercial product and does less (since the MindSet also outputs the raw data for further analysis, which the toys don’t).NeuroSky’s intent behind the MindSet seems to be that you’d use it for the kind of hacking you are talking about; the software that comes with it doesn’t do much more than “ooooh pretty.” But you’d be hacking in software off the bat instead of throwing a bunch of stuff together, trying to repackage it, and THEN thinking of the software.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169651",
"author": "Mog",
"timestamp": "2010-08-17T17:42:29",
"content": "@localroger1 mindflex toy ebay: 40 dollars1 bluetooth to uart chip: 18 dollars3 hours of fun coding: 0 dollarsvs1 neurosky dev kit: 199 dollarsSeriously not to mention my mindflex came with a free game that is still functional ^_^ I am sorry you dont enjoy the project, I will gladly refund you your money.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169666",
"author": "bothersaidpooh",
"timestamp": "2010-08-17T18:45:23",
"content": "bwahahaha…i had a similar idea today, using an mp3 player (creative zen micro) as a dual channel WAV recorder, instrumentation amplifiers (DIY based on LM311’s), voltage to frequency converters for each channel, and homemade resistive EEG electrodes made from segments of a defunct ECG chest monitor’s contact pad.obviously you need to isolate the EEG electrodes from the IA’s + V-Fs with low value capacitors, and the amplifier section from everything else with an optical power coupler and >10KV rated optical or inductive signal isolators.the IEC standard for these things is very strict, down to <1 uA of acceptable leakage from any path to any other path.(there is a reason why they tell you not to use TENS machines near or on the head!)otherwise, neat project, next logical step is to display data and see if you can map out the visual field(s).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169708",
"author": "MS3FGX",
"timestamp": "2010-08-17T21:48:53",
"content": "Very clever build here, and a cheap way to replicate at least some of the NeuroSky dev kit’s functionality.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169715",
"author": "localroger",
"timestamp": "2010-08-17T22:28:46",
"content": "@Mog ahhhh, I didn’t realize the Mindflex toy was so cheap. For some reason I was thinking it was over $100.It was still worth the difference to me to get the raw data (I still get people who insist it’s doing GSR and not EEG, and the raw data proves they’re wrong). But yeah, I was thinking more like $160 + $40 so where’s the added value, with the toy being $40-$60 and the bluetooth $20 it’s worth doing. I retract my snark.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "1007687",
"author": "noshant",
"timestamp": "2013-05-24T08:21:00",
"content": "@localroger i’ve been worrying about whether the mindset raw data is genuine too, and because of that i haven’t bought one yet. could you tell me why you think it’s genuine EEG (and not GSR or facial EMG)? the reassurance would be very helpful :) Thanks",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,391.427471
|
||
https://hackaday.com/2010/08/16/using-videotape-tape-as-a-controller/
|
Using Videotape Tape As A Controller
|
Mike Szczys
|
[
"Musical Hacks"
] |
[
"bodystick",
"cd40106",
"oscillator",
"tape",
"VHS",
"videotape"
] |
Behold
the Bodystick
, an instrument built and demonstrated by [Erich Lesovsky]. It’s a bit like a string bass but instead of strings there is a strip of VHS tape. Apparently not all VHS tape will work, but if you have the right kind you can run voltage through it and then change the resistance with a touch of your finger. It seems that the hand not touching the tape needs to be touching a conductive pad, completing the circuit. The resulting resistance changes the oscillator values on a CD40106 CMOS chip. This project is a bit out there (just like
[Erich’s] Mega-Tape-O-Phone
), and in keeping with its peculiarity is the demo video after the break. Enjoy!
[youtube=http://www.youtube.com/watch?v=wSDPzwa1YFE]
| 25
| 25
|
[
{
"comment_id": "169229",
"author": "regis",
"timestamp": "2010-08-16T21:05:13",
"content": "This reminds me a bit of a hack Laurie Anderson did — She replaced the string on her bow with a piece of audio tape, and put a tape pickup head on her violin, and she could move the bow back and forth to sample from the piece of tape. (She does this in one of her movie concerts – “Home of the Brave”, I think.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169230",
"author": "lollercoaster",
"timestamp": "2010-08-16T21:05:23",
"content": "Raveeee timmeeee xDD great sound :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169247",
"author": "SeBsZ",
"timestamp": "2010-08-16T21:50:16",
"content": "Please…. You don’t RUN voltage through anything. You can run a current through a wireless, not voltage.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169248",
"author": "jason",
"timestamp": "2010-08-16T21:50:23",
"content": "Excuse me for splitting hairs, but you don’t put voltage “through” anything. Voltage is a difference in potential “across” something.Carry on.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169249",
"author": "SeBsZ",
"timestamp": "2010-08-16T21:51:10",
"content": "Wireless=wire. Dang autocorrection",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169250",
"author": "kyle",
"timestamp": "2010-08-16T21:52:48",
"content": "@regis you got my attention so i looked into it, the so called tape-bow violin was Anderson’s creation although the version you refer to apparently uses MIDI based audio samples triggered by contact with the bow instead of a magnetic tape and head. And it can be seen in ‘Home of the Brave” during the “Late Show” segment, now off to find that clip…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169251",
"author": "Mouse Jay Kelly",
"timestamp": "2010-08-16T21:54:09",
"content": "Hay, that’s badass! But can’t you do it with a simple 555 timer. I have a 555 timer circuit already made on my breadboard, I never knew VideoTape was conductive AT ALL! But it makes sense, it’s Iron powder stuck to plastic isn’t it? I have GOTTA give this a try…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169252",
"author": "Mouse Jay Kelly",
"timestamp": "2010-08-16T21:56:59",
"content": "Ya, find that clip for me would ya? wold like to see it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169257",
"author": "blue carbuncle",
"timestamp": "2010-08-16T22:06:01",
"content": "Mouse Jay: You may also want to try the old pencil mark resistor trick. Works for pitchbending. Try different thicknesses of marks and see what results you get :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169261",
"author": "bluedodo",
"timestamp": "2010-08-16T22:17:04",
"content": "reminds me a little ofhttp://tiny.cc/mrwai",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169263",
"author": "octel",
"timestamp": "2010-08-16T22:21:44",
"content": "In the synthesizer world, this known as a “ribbon controller”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169267",
"author": "Mouse Jay Kelly",
"timestamp": "2010-08-16T22:40:50",
"content": "Hay, I have a teensy arduino, can I make it emulate a usb midi controler, or should i program it as a USB mouse and use the mouse in FL Studio?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169269",
"author": "Oren Beck",
"timestamp": "2010-08-16T22:44:01",
"content": "Any of the “Hub Feed” magnetic tapes that used graphite as lubricant would be worth investigating.A prime example to start with is 8-track tape. There’s an interesting design element to 8-track tapes. At the switching point=where one audio program ends/the next one begins there is a metallic foil strip. That metal strip bridges a set of contacts to activate the head position solenoid. Over much of the format’s life span, the foil often was used to actually carry the solenoid current. And some attempts to have a transistor etc triggered by that foil were subject to graphite buildup on a spliced tape causing false track jumps.Another historical tape re-use method was slit down computer tape being used for reel feed VTR’s. The lubricants that worked ok for computer data heads often left horrid deposits in video heads and on the various tape path bits.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169276",
"author": "Erik Johnson",
"timestamp": "2010-08-16T23:10:50",
"content": "@Mouse Jay: Yeah, the oscillator in this design is just a simple schmidt trigger (the ic for this would/should be much cheaper than a 555)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169281",
"author": "jeditalian",
"timestamp": "2010-08-16T23:23:59",
"content": "put the conductive pad in a seat and sit bare-assed?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169296",
"author": "octel",
"timestamp": "2010-08-17T00:19:41",
"content": "then your music will sound like shit",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169301",
"author": "zool",
"timestamp": "2010-08-17T00:32:22",
"content": "old well known ribbon controller hack",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169361",
"author": "Hitek146",
"timestamp": "2010-08-17T02:51:41",
"content": "“then your music will sound like shit”Hahahahahah…. :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169397",
"author": "Aussietech",
"timestamp": "2010-08-17T04:10:37",
"content": "@Oren Beck is a bit confused, no mag tape used graphite, or any, lubricant. It is the iron oxide itself that scrapes off old tapes and leaves a deposit on the heads.Different tape compositions will give differet results, normal iron oxide, chrome, and so-called “metal tapes – you milage will differ.In the conventional ribbon controller the player isn’t part of the circuit – the tape is held suspended just above a metal support and pressed down onto it, forming a variable resistor. this helps to avoid hum and noise injection.An oldie, but still tres cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169398",
"author": "Kyle, also",
"timestamp": "2010-08-17T04:18:36",
"content": "well shucks it appears poor Laurie never reached the level of fame required to have all of your work ripped off.While I can’t find a clip of it I am hoping someone might be able to find it or rip and post it, not interested in the music (sorry Laurie it’s interesting but not that fantastic) just want to see this tape-bow violin.also is anyone else thinking about a super-tech fart machine besides me? *braaaap*",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169465",
"author": "Janez D.",
"timestamp": "2010-08-17T06:46:14",
"content": "His… CAT? 8-O",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169532",
"author": "Mudo",
"timestamp": "2010-08-17T11:07:43",
"content": "…It remains me to this:http://fletchtronics.net/diy-touch-potentiometerbetter documented.…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169627",
"author": "Josh Kopel",
"timestamp": "2010-08-17T16:36:52",
"content": "Here is your Laurie Anderson clip.http://www.youtube.com/watch?v=vxXVSBN2-BwHer instrument was very different. It had (has?) a bow with prerecorded samples on it, and she played it across a magnetic pickup.http://en.wikipedia.org/wiki/Laurie_Anderson#Tape-bow_violin",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169694",
"author": "Kyle, also",
"timestamp": "2010-08-17T20:31:36",
"content": "Thanks for posting that link Joshyeah it’s a whole different beast and if I do say so myself this hack kills it in the function column. I am not really into performance art pieces nor am into most synthed stuff, but damn cool hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169733",
"author": "Joe Bonasses",
"timestamp": "2010-08-18T00:39:14",
"content": "MUST be S-VHS or ADAT tape, as used in the Alesis ADAT home studio type recorders or late generation S-VHS style VCR’s. Standard VHS tape doesn’t do the trick, its not conductive. Also use an old plastic mini-blind with a conductive strip inside raised off of the surface. Here’s a modular synth ribbon controller example, although this one somehow uses standard ferric oxide tape (I think?):http://modularsounds.com/?p=689",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,391.262831
|
||
https://hackaday.com/2010/08/16/home-claw-game-delights-the-little-ones/
|
Home Claw Game Delights The Little Ones
|
Mike Szczys
|
[
"Toy Hacks"
] |
[
"claw",
"game",
"lego",
"nxt",
"rcx"
] |
After seeing Toy Story [Will Gorman’s] son wanted to play the Crane Game. Rather than hanging out in the lobby of the pizza parlor, [Will]
built one at home using Lego
. The skill crane as he calls it has a large gantry to travel over the top of the treasure box. The claw can move side to side on the gantry, dropping for a chance at some loot once it’s in the right place. See a successful run in the video after the break and if you can’t help yourself, there’s
build instructions
that will have you up and running in no time. But you don’t have to build it out of Lego, sometimes
you just need some junk to pull one of these together
.
[youtube=http://www.youtube.com/watch?v=V_DFsHLyQno]
| 9
| 9
|
[
{
"comment_id": "169208",
"author": "dan",
"timestamp": "2010-08-16T19:38:32",
"content": "There’s a claw machine in some bar in LA where you try to pick live lobsters out of a saltwater tank. If you manage to grab one, they cook it up for you. Talk about playing with your food…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169231",
"author": "Glen",
"timestamp": "2010-08-16T21:11:31",
"content": "ooooh, he has been chosen…..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169254",
"author": "Hirudinea",
"timestamp": "2010-08-16T22:01:58",
"content": "This will save me THOUSANDS in quarters!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169282",
"author": "sarsface",
"timestamp": "2010-08-16T23:28:25",
"content": "The claw should automatically move to the prize box and release after the pickup sequence. Other than that, awesome job.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169381",
"author": "grenadier",
"timestamp": "2010-08-17T03:16:11",
"content": "I hate claw games.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169390",
"author": "zacdee316",
"timestamp": "2010-08-17T03:32:53",
"content": "In commercial claw games, you can set the pressure used on the hook to make the game more difficult or more easy for the user. Wouldn’t be a bad idea for this to be added so the kid can get some practice.Overall though, great job.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169407",
"author": "Spork",
"timestamp": "2010-08-17T05:10:43",
"content": "That’s cool. I really want to mill an aluminum frame and build the real deal though. I already have a couple of coin validators, just need to put something shiny in there….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169711",
"author": "MS3FGX",
"timestamp": "2010-08-17T22:01:07",
"content": "That kid has a lot of self control not to just reach in there and move the things around to get a better grip.Like a previous poster said, the only thing missing here is having it return to the start position and open the claw after it grabs something. Though I can see how that would be difficult with the current build, as I don’t see any way for the software to see the coordinates of the claw or determine when/if it is hitting the limits of travel.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169736",
"author": "Joe Bonasses",
"timestamp": "2010-08-18T00:46:47",
"content": "YES! Indoctrinate the children. There is little time left. The government should give out Legos at birth. Death to the MBA’s !!!!!!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,391.059899
|
||
https://hackaday.com/2010/08/16/robot-follows-the-rules-of-the-road/
|
Robot Follows The Rules Of The Road
|
Mike Szczys
|
[
"Robots Hacks"
] |
[
"Altera",
"intersection",
"netbook",
"traffic",
"vb.net",
"vhdl"
] |
[youtube=http://www.youtube.com/watch?v=Y6R0wO1o01g]
This is a fantastic high school project. [Shmendrik213] built and robot a programmed it
to follow common traffic rules
. The robot drives itself with a DC motor, using one servo for steering and another to pan a webcam back and forth. The netbook that comes along for the ride is running a VB.NET program that can detect an upcoming intersection, read the street sign, and react based on other cars currently at the intersection.
The hardware is running on an Altera processor using firmware programmed in VHDL. We remember building a tissue box holder for one of our high school projects. Looks like the times have changed since then.
| 15
| 15
|
[
{
"comment_id": "169179",
"author": "Tokamak",
"timestamp": "2010-08-16T18:16:28",
"content": "I wish I have some of those great fpga chips, I would build a managed microcontroller :D for school project!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169181",
"author": "Henrik Pedersen",
"timestamp": "2010-08-16T18:20:46",
"content": "RESPECT! Especially for VB.NET (in stead of C#)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169182",
"author": "Dick",
"timestamp": "2010-08-16T18:25:39",
"content": "This wouldn’t be easy. Mad respect.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169185",
"author": "Luke",
"timestamp": "2010-08-16T18:28:35",
"content": "eewwww VB.NET and vhdl. Those are my two least favorite languages.Interesting project, I wish they had a few more details and not just a video. It’d be nice to know what kind of software they were using to do the vision (which is probably the hard part here)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169196",
"author": "Ken",
"timestamp": "2010-08-16T18:59:10",
"content": "These aren’t the same rules of the road that Jay & Silent Bob had to follow are they?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169197",
"author": "joe",
"timestamp": "2010-08-16T19:04:50",
"content": "You mean the rule that the hitcher has to give bombers to whomever picks them up? This could be easily implemented with another servo and some lego pieces.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169200",
"author": "supershwa",
"timestamp": "2010-08-16T19:11:44",
"content": "A High School project? Thank gawd…there ARE still intelligent kids out there who aren’t cracked out on Twitter, video games and Tommy Hilfiger (or whatever redundant crap they’re into these days…) ;pWay to go Shmendrik! I expect we’ll be seeing much more of you in the near future!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169210",
"author": "spiritplumber",
"timestamp": "2010-08-16T19:47:37",
"content": "http://www.youtube.com/watch?v=pi4jZKqZ8v8Here it is on an actual road. Test aborted due to police freaking out. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169212",
"author": "spiritplumber",
"timestamp": "2010-08-16T19:48:49",
"content": "This said these guys did a much better job than us :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169222",
"author": "Pilotgeek",
"timestamp": "2010-08-16T20:26:04",
"content": "The preview of the youtube video says “analy”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169289",
"author": "ChalkBored",
"timestamp": "2010-08-16T23:56:45",
"content": "It stopped at a yield sign even though crossing traffic had a stop sign, and hadn’t even reached it yet.It stayed stopped, even though it had the right of way to proceed.It stayed stopped an addition 40 seconds even though there were no cars.Had this been an actual driving situation, the robot would have been beaten to death with a tire iron that the driver stuck behind it would have had ample time to search for in his trunk.I like the idea, but the only rule it seems to know is “Look both ways before crossing the street”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169380",
"author": "mostlymac",
"timestamp": "2010-08-17T03:15:35",
"content": "I smell a full ride to a nice college…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169609",
"author": "oneos",
"timestamp": "2010-08-17T16:18:22",
"content": "@ChalkBoredGlad I’m not the only one that noticed. Also shown, is that it scans the intersection for cars. If it finds one, it will start all over again. So it seems more like it will only go if there aren’t any other cars.Seems like a great start, but the analysis certainly needs to be sped up for practicality.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169948",
"author": "Zack Shivers",
"timestamp": "2010-08-18T18:15:47",
"content": "Bravo, I couldn’t have possibly pulled this one off in high school.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170755",
"author": "Malikaii",
"timestamp": "2010-08-20T02:45:21",
"content": "Am I the only one that noticed this:“[Shmendrik213] built and robot a programmed it to follow common traffic rules. ”WTF?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,391.471779
|
||
https://hackaday.com/2010/08/16/androidome-monome-for-android/
|
Androidome: Monome For Android
|
Mike Szczys
|
[
"Android Hacks",
"digital audio hacks"
] |
[
"android",
"anroidome",
"app",
"monome"
] |
[Ewan Hemingway] tipped us off about
his new Android app, Androidome
. This is the first one he’s turned out after going through
our Android development tutorials
. It combines an app running on his Android 2.1 device with a computer running Max/MSP 5. The two don’t needed to be tethered, they just need to be on the same wireless network. This won’t be the best solution if you’re doing live performances, as the buttons on the screen end up being quite small. But as you can see after the break, it’s a great way to get into working with the Monome interface and decide if you want to
build a dedicated physical version
of the tool.
[youtube=http://www.youtube.com/watch?v=BKGSVqYQFiY]
| 10
| 10
|
[
{
"comment_id": "169188",
"author": "dext0rb",
"timestamp": "2010-08-16T18:38:38",
"content": "very cool, thanks for the source.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169219",
"author": "vonskippy",
"timestamp": "2010-08-16T20:17:03",
"content": "So it’s a random noise generator – or what?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169223",
"author": "dext0rb",
"timestamp": "2010-08-16T20:36:41",
"content": "@vonskippy:check out the monome project: monome.orgat the core of it, the monome project is just a matrix of buttons, that are defined by the software patch you run. for example, you can use it with Ableton Live to cut up/queue/play samples. this is cool because it lets you play with the concept without buying/building the hardware.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169292",
"author": "vonskippy",
"timestamp": "2010-08-17T00:09:07",
"content": "@dext0rbAh…thanks for the info (apparently it was too much work to describe or put some background info into the hack description).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169303",
"author": "zool",
"timestamp": "2010-08-17T00:38:47",
"content": "nice",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169404",
"author": "grrr",
"timestamp": "2010-08-17T04:56:37",
"content": "‘This won’t be the best solution if you’re doing live performances’– Why not? Do you have some sort of insider live PA knowledge or are you blowing wind?I’ve seen plenty of folks spewing music with smaller devices.:Pof course, i’d personally prefer the large tactile interface, but . . i can’t claim that it is the ‘best’ solution.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169919",
"author": "camloc",
"timestamp": "2010-08-18T16:49:46",
"content": "I have it set up and running on my Motorola Droid, and it works very well. I think it is not displaying all the “LED” animations when they are too fast, but not much of a loss. Three pieces of advice:1. It destroyed my battery life. I’m ok with that.2. You need to press enter when changing the patch to submit the change. Pressing “Connect to Max” does not do it.3. Start with monome_test.mxb fromhttp://docs.monome.org/doku.php?id=app:monomebaseto make sure it is working.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170143",
"author": "ewan",
"timestamp": "2010-08-19T08:45:11",
"content": "Yeah its not really *that* ideal for live playing. Multitouch seems limited to 2 simultaneous touches on my HTC Desire, but I struggle to fit more fingers on the screen anyway!People might be useful as a secondary sequencer/arpegiator though, to complement a physical monome? Once Android tablets start coming out, that’s when the real fun begins!Ewan (dev)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173231",
"author": "Android APKs",
"timestamp": "2010-08-25T15:06:46",
"content": "Ewan seem to be an experienced monome player, the tunes on video were really good. Here is an another app suggestion: to create a “chiptune synthesizer” app, game boy music fans will adore you! :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "179780",
"author": "ewan",
"timestamp": "2010-09-10T13:46:28",
"content": "Funnily enough…http://ewanhemingway.co.uk/programming/puredata-maxmsp/accord",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,391.013524
|
||
https://hackaday.com/2010/08/16/gameboy-analog-meter/
|
GameBoy Analog Meter
|
Caleb Kraft
|
[
"Microcontrollers",
"Nintendo Game Boy Hacks",
"Nintendo Hacks"
] |
[
"gameboy",
"nintendo"
] |
Here’s an interesting setup
using a GameBoy Advance as an interface and power supply for a PIC microprocessor
. He’s got the PIC connected to the serial port of the GameBoy Advance and is able to pass and retrieve data for display on the screen. You can see above that he is showing two analog values from the pic. You can download the schematic and source code and see a few more pictures, but that’s about it.
[via
HackedGadgets
]
| 30
| 29
|
[
{
"comment_id": "169140",
"author": "Heatgap/Ho0d0o",
"timestamp": "2010-08-16T14:42:13",
"content": "Sweet job. Give that Advance some re-purpose!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169143",
"author": "JB",
"timestamp": "2010-08-16T15:06:37",
"content": "Definitely a keeper. I have a couple of gameboys looking for a purpose in life (gathering dust now) and I like developing in PICs.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169153",
"author": "Alex",
"timestamp": "2010-08-16T15:47:32",
"content": "This is excellent.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169154",
"author": "firestorm_v1",
"timestamp": "2010-08-16T15:50:47",
"content": "Wow. This would be awesome for Flight Sim junkies. You could make the gauges for your virt. cockpit for a lot less than the pre-fab kits through this approach.Good Job!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169156",
"author": "Nick McClanahan",
"timestamp": "2010-08-16T16:01:30",
"content": "Someone should put a PIC w/ ICSP headers in a gameboy cartridge!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169198",
"author": "r_d",
"timestamp": "2010-08-16T19:07:09",
"content": "Good stuff. I have a GBA or two that I was wondering what to do with.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169205",
"author": "nes",
"timestamp": "2010-08-16T19:32:09",
"content": "@Nick: Been done already…http://sourceforge.net/projects/gbpic/Awesome use for a GBA. If only the screen was backlit tho.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169209",
"author": "snow",
"timestamp": "2010-08-16T19:38:47",
"content": "@nes you could buy a afterburner backlight kit althou in the picture its an gba sp wich IS backlit :P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169213",
"author": "osgeld",
"timestamp": "2010-08-16T19:53:40",
"content": "yea they havent had a non backlit model since the original ‘beta tape’ model was discontinued",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169255",
"author": "HappyHax0r",
"timestamp": "2010-08-16T22:04:36",
"content": "I’m confused, in what way is this meter analog?It’s neat, but I don’t see how it’s analog.You’re sending a digital number over the serial port, and drawing an analogue style meter but the rendering positions of the needles are clearly limited to a finite number of distinct positions?Like I said it’s neat. But unless I’m really confused about the nature of analog and digital, this is clearly a digital meter with an analogue style face.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169271",
"author": "BronzeG3",
"timestamp": "2010-08-16T22:50:17",
"content": "@HappyHaxorThe PIC is using two analog channels that converts 0V-3.3V to a digital value and sending it to the serial port.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169272",
"author": "Frank",
"timestamp": "2010-08-16T22:53:16",
"content": "@HappyHax0r – I think you’re just confusing your confusion with your pedanticism.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169283",
"author": "HappyHax0r",
"timestamp": "2010-08-16T23:31:38",
"content": "@BronzeG3: which distinctly makes it digital, not analog. The point of the ADC is that it samples an analog signal and produces a digital representation.Thus, this meter isn’t analog any more than a DMM is.@Frank: It’s not a matter of pedanticism at all, the point is from everything I know about digital vs analog signals this is a digital meter with an analog “look and feel.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169285",
"author": "HappyHax0r",
"timestamp": "2010-08-16T23:34:03",
"content": "And as I said before, that doesn’t mean I don’t think it’s a neat hack. I do :).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169286",
"author": "XFormulaD",
"timestamp": "2010-08-16T23:35:00",
"content": "If this makes it an analog meter, than my PC is an analog computer because I still use a CRT.It also means that CDs are actually analog just like vinyls because I hear a continuously time varying signal.Or it could mean this is about as on target as the movie “Hackers” is accurate.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169333",
"author": "Frank",
"timestamp": "2010-08-17T01:56:09",
"content": "@HappyHax0r – ‘with an analog ‘look and feel.”‘When you select the “analog” option on a clock display on your computer, do you complain that it really should say “analog look and feel”? Caleb clearly meant “analog look and feel” as opposed to purely “analog”; I think you’re just nitpicking.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169378",
"author": "jasong",
"timestamp": "2010-08-17T03:09:08",
"content": "An infinite number of analog values is indistinguishable from a finite number of digital values at high enough resolution.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169400",
"author": "Whoever",
"timestamp": "2010-08-17T04:31:38",
"content": "Am I the only one who hates the analog “look and feel”?As someone who used true analog meters for a lot of time (and still use them, although now in a different profession where a lot of people has a dumb fetish for vintage stuff), I find simple numeric readout aka “digital look and feel” MUUUUUCH better in every aspect.Just make the numbers big so I can read them from afar. Some eye candy around them doesn’t hurt either.Otherwise nice hack. I also have an unused GBA here I’d like to use for something, though PIC is not my flavor, but it shouldn’t be too hard to adapt to the TI MSP.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169546",
"author": "HappyHax0r",
"timestamp": "2010-08-17T12:30:50",
"content": "@Frank,No, I’m not nitpicking. You clearly don’t understand the useful properties of a truly analog meter.I’ll explain so that you can get a clearer picture:Where all but the most expensive DMMs don’t show deflection, or varying deflection an ANALOG meter does, specifically IN REAL TIME. This is a useful property specifically because the only other way to get a “reasonably” accurate visual representation is a scope. Scopes cost a lot of money, and thus are out of the reach of many average hobbyists. Just by watching the needle move you can get at least some idea of what the waveform coming through might look like (erratic, relatively smooth, relatively sinusoidal, square wave, saw tooth or triangle wave etc)This is just one example of why calling an digital meter an analog meter is an issue and more than nitpicking.For something like a clock it’s a different story. Time is time, I don’t care about minute or second hand deflection. When I’m doing a quick check for varying voltage.That being said, the project is cool because the guy wanted to see if he could get homebrew loaded off a pic to run on a GBA. He did it. Kudos to the guy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169547",
"author": "HappyHax0r",
"timestamp": "2010-08-17T12:32:00",
"content": "Er, “When I’m doing a quick check for varying voltage” should be “When I’m doing a quick check for varying voltage, I do care.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169548",
"author": "HappyHax0r",
"timestamp": "2010-08-17T12:33:12",
"content": "The point being on something like a clock, “Analog” to mean “Analog look and feel” is fine. When you’re dealing with measuring signals saying “Analog” to mean “Analog look and feel” is bad. Analog has a specific meaning in that context.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "169551",
"author": "Caleb Kraft",
"timestamp": "2010-08-17T13:26:25",
"content": "I can understand the confusion. While I did mean “analog style display” in the title, the reference to the two analog readings was taken directly from the project page. Feel free to contact him if he needs correction.",
"parent_id": "169548",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "169564",
"author": "HappyHax0r",
"timestamp": "2010-08-17T14:04:35",
"content": "@Caleb,As the project didn’t seem to be about creating a working multimeter so much as GBA homebrew exploration and tying it to outside hardware (according to the write up), I didn’t bother. However you’re right, perhaps I should.Contrary to popular belief, I wasn’t putting this out there to nitpick. I was pointing out that this isn’t an analog meter because there are those here who might be tempted to build it under the guise that it’s handy to have an analog meter (lots of online resources point out that you should have both a good DMM and a good AMM on your bench :)).My concern is that they would be sorely disappointed to find that it didn’t actually have the useful properties that an analog meter has.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169595",
"author": "Whoever",
"timestamp": "2010-08-17T15:30:03",
"content": "@H. Hax0r:Actually since you’re using your own sampling hardware here and you have a full blown graphic display, there’s nothing stopping you (besides perhaps coding skillz) from adding a lowpass, sampling faster and making a proper graph of the waveform. This will own the ass of your AMM any day of the week, in any month, any year.It is, in fact, a very slow and rudimentary ‘scope.I think it would be killer if someone took this project and added an audio ADC (the cheapest one will be OK) with a corresponding “up-to-AF oscilloscope” function.One scope-like DMM plus two non-scope DMMs? Now THAT is what I would call “all the multimetering you need in a single device”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169602",
"author": "HappyHax0r",
"timestamp": "2010-08-17T16:03:16",
"content": "@Whoever:Agreed, if that’s what it was doing I could see that being useful.Unfortunately the sampling rate on the PIC and storage facilities for sampled data (as the communications rate to the GBA surely isn’t that fast) limit the frequency in a similar way the mechanics of an analog multimeter limit the swing of the needle at higher frequencies.That being said I already have a scope so I don’t really care, but if I had to choose between a hackish hand-held scope like device and an AMM, I’d probably choose the scope like device if it worked well.The point I was making still remains however, that it’s NOT analog, it’s digital.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169626",
"author": "Whoever",
"timestamp": "2010-08-17T16:35:41",
"content": "Touché. I forgot we weren’t using a proper cartridge here so the bandwidth will suck.I still think such a device in the approximate form factor of a GameBoy would be an excellent tool.About the PIC’s ADC, it must be real crap if it can’t sample faster than a mechanical device. Then again, I’ve never liked PIC, so color me biased. :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169629",
"author": "HappyHax0r",
"timestamp": "2010-08-17T16:40:48",
"content": "@WhoeverOh it can sample faster, no question (hence my use of the word like) the problem is that once you have the samples, where do you store them? :). The reason I bring up sample rate is that still even if it can sample faster than a mechanical device can move per se, the sampling rate isn’t “great” and wouldn’t constitute anything like a decent DSO.I agree, a hand-held DSO like device would be amazing. And they do make them, unfortunately they’re rediculously expensive and any of the higher end meters that have a “sorta DSO” also hit that rediculously expensive mark.And they say electronics is a cheap hobby ;). Lying bastards.Anyway, not to hijack the thread, they guy did what he intended to do, and got what he intended out of it by doing it :). Great hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169665",
"author": "nes",
"timestamp": "2010-08-17T18:44:22",
"content": "@snow: I fitted an afterburner kit to my GBA back in the day, but both that and the stock SP are front lit AFAIK. At least my old SP appears to be. Not a problem in itself, just the front lit screens aren’t all that bright and only work well when viewed head on which detracts slightly from the usefulness in this application.I think analog-style dials are great BTW, especially when you want to get the gist at a glance, e.g. how long to go until lunchtime, or is my car about to explode unless I shift up. Kudos to this guy for making it work and sharing the code.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170230",
"author": "PC",
"timestamp": "2010-08-19T15:01:59",
"content": "Great job.We also did this quite a few years ago;http://www.engadget.com/2005/02/14/tweak-your-ride-with-your-gameboy-advance/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170271",
"author": "nubie",
"timestamp": "2010-08-19T17:28:50",
"content": "There are two types of SP, one is Front lit and one is backlit, I have seen both types.I guess the question is whether you want the display to be visible in direct sunlight, in which case the front-lit unit is better.The commercial product is here:http://www.fastwrx.com/turboxsdtec.htmlIts nice, but I would like to see a homebrew OBD2 compliant version. I bet the gameboy is even more knock resistant than a lot of commercial jobs. Ninty’s are notoriously kid-proof. I knew a guy who dropped a 20″ screen from 4′ onto his N64 and only cracked the game in half, the console was fine.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,391.943249
|
||
https://hackaday.com/2010/08/18/drone-cracks-wifi-from-on-high/
|
Drone Cracks WiFi From On High
|
Mike Szczys
|
[
"Security Hacks"
] |
[
"drone",
"penetration",
"uav"
] |
The WiFi Aerial Surveillance Platform, or WASP for short, is
an autonomous drone aircraft that sniffs out WiFi
networks. But it packs a much larger punch than that. Built into this US Army surplus target drone you’ll find an ITX form-factor computer with a Via C7 500 MHz processor that is running
Backtrack 4
, the popular penetration testing Linux suite. But what if you want to do some real heavy lifting that the onboard PC can’t handle quickly? They’ve thought of that too. There’s an integrated 3G modem which allows for control over the Internet and facilitates the outsourcing of load-intensive operations to the cloud. It’s not
shooting fireworks from the wings
, but this payload has the potential to cause way more trouble.
[Thanks Spore]
| 47
| 47
|
[
{
"comment_id": "169899",
"author": "Nirav",
"timestamp": "2010-08-18T16:14:33",
"content": "all I have to say is..WTF..OMG! that has to be the most hardcore hardware project I’ve seen in months.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169901",
"author": "Dosbomber",
"timestamp": "2010-08-18T16:20:29",
"content": "Time to start investing in “surplus” SAM equipment…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169907",
"author": "Brad Hein",
"timestamp": "2010-08-18T16:27:42",
"content": "CREEPY!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169908",
"author": "sunjester",
"timestamp": "2010-08-18T16:28:07",
"content": "running bt4… really… maybe make a nicer choice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169909",
"author": "Matthew Phillips",
"timestamp": "2010-08-18T16:29:07",
"content": "Why on earth would they use backtrack? The weak processor would struggle to run it properly. It’s bloated and uses the processors intensive KDE.If they goto the effort to build this thing they should have at least built linux from the ground up to run on it. I wouldn’t take long at all but would ensure speed and a longer battery life.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169910",
"author": "brsnow",
"timestamp": "2010-08-18T16:30:02",
"content": "Wow, give new meaning and realness to Skynet…………judgment day is here.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169911",
"author": "Velifer",
"timestamp": "2010-08-18T16:33:32",
"content": "Ya know guys, this is a ton of work. Don’t you know that the library has free internet you can use?;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169912",
"author": "Blaughw",
"timestamp": "2010-08-18T16:34:26",
"content": "Speaking of payload and penetration testing, Flash photo viewer on the homepage sounds like a no-go for me.These guys were apparently at Defcon, there’s a moderately long interview on hak5.org on their Defcon ep. Deets abound.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169914",
"author": "spiritplumber",
"timestamp": "2010-08-18T16:37:01",
"content": "http://www.youtube.com/watch?v=5wJHj3hOcuINice, I recommend the parallax propeller for actually flying the thing (multicore helps a lot for that sort of thing). Note the upload date :P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169915",
"author": "Jerry Whiting",
"timestamp": "2010-08-18T16:40:48",
"content": "Please fly this little sucker over my house [ 47.590107,-122.385872 ]I promise to put the video of me shooting it out of the sky on YouTube!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169916",
"author": "Stan",
"timestamp": "2010-08-18T16:45:23",
"content": "This is an unbelievable build that must have took a lot of knowhow from a lot of different fields to make work successfully,@Matthew Phillips: Build your own. Then talk.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169920",
"author": "nave.notnilc",
"timestamp": "2010-08-18T16:53:08",
"content": "30-45 minutes isn’t that long of a flight time for an autonomous vehicle…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169922",
"author": "John",
"timestamp": "2010-08-18T17:03:19",
"content": "Where can one buy a “US Army surplus target drone”?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169923",
"author": "Standard Mischief",
"timestamp": "2010-08-18T17:03:59",
"content": ">US Army surplus target droneTalk about your defense reutilization. This sure beats making bookends out of a perfectly good used Hummer that they cut in half and sold as scrap.Although I am worried because sometimes there’s all kinds of restrictions on what you can do with and where you may export military surplus. I know that TIG welding M-16 lower receivers into semi-auto only AR-15 lower receivers is right out.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169925",
"author": "Lion XL",
"timestamp": "2010-08-18T17:10:56",
"content": "Can we just applaud the guys for making it happen, I know most of you have preferences for this that or the third, but really…are you mad because you didnt do it first? Flying an ITX motherboard around , running is a pretty damn good project if you ask me. Maybe not the pinnacle of drone computing, for two guys with a limited budget, I think it rocks!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169926",
"author": "Radio Guy",
"timestamp": "2010-08-18T17:14:59",
"content": "Doing this violates so many FCC rules it’s not funny.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169930",
"author": "strider_mt2k",
"timestamp": "2010-08-18T17:26:13",
"content": "Incredibly cool project.Looks like a very stable flyer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169938",
"author": "vonskippy",
"timestamp": "2010-08-18T17:53:16",
"content": "Does the army REALLY use a 4′ wingspan, balsa and monokote RC plane as a target drone?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169951",
"author": "sariel",
"timestamp": "2010-08-18T18:30:43",
"content": "@Radio Guynow it just needs a mobile fm transceiver for that floating fortress of radio freedom.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169957",
"author": "Nick Petty",
"timestamp": "2010-08-18T18:42:16",
"content": "I was just thinking about doing this with a blimp. :/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169962",
"author": "deathventure",
"timestamp": "2010-08-18T19:05:52",
"content": "@Matthew PhillipsYou know there’s a little thing with linux, the fact you don’t need a desktop environment to run it. Who says he’s got KDE running on it?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169967",
"author": "Srek",
"timestamp": "2010-08-18T19:14:54",
"content": "Yes their webpage is crap so as the external video site they use.I doubt they have kde running in that bt. It must be only used for running kismet and storing all data on an ssd.Considering that the US airforce spends millions on crap drones they did a good job.Even tho this cannot get close to buildings so what it will mostly catch is amplified signals from antennas and towers not AP signals in buildings.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169970",
"author": "RedQueen",
"timestamp": "2010-08-18T19:19:27",
"content": "Hey guys, thanks for the compliments. Glad we could spark some interest.Our goal wasn’t to reinvent the wheel with this, or roll our own anything. We had limited time, money and energy and set the goal to be to use off-the-shelf everything. It’s just proof of concept. We know it can be done better…. go do it!vonskippy:Its military designation was FQM-117B. Our models were build in Beltsville MD in the mid 80’s. Its a quasi-scale representation of a Mig 27 designed to train anti-aircraft gunnery crews. Here’s some good info on it:http://www.designation-systems.net/dusrm/m-117.htmlAnyways, thanks again for the kind words.. we hope you guys have as much fun as we did. Be safe!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169975",
"author": "vaporland",
"timestamp": "2010-08-18T19:30:00",
"content": "this guy’s gonna get a visit from the NSA….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169983",
"author": "Anon",
"timestamp": "2010-08-18T19:45:27",
"content": "@Jerry Whiting… nice apartment building",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170016",
"author": "sM10sM20",
"timestamp": "2010-08-18T21:54:06",
"content": "@sunjester & @ Matthew Phillipsdeathventure – Beat me to it. Simply don’t start the desktop environment, aka don’t type “startx” in terminal… that easy…Using anything other than BackTrack4 would leave me very confused.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170018",
"author": "Firestorm",
"timestamp": "2010-08-18T22:03:46",
"content": "I did’t red the entire article Yet.Cus im still enjoying the title :D i luv it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170025",
"author": "scrappylaptop",
"timestamp": "2010-08-18T22:36:19",
"content": "RE: backtrack vs processors intensive KDE.(9:29 by Matthew Phillips)They’re called runlevels, you might want to check them out. Assuming they included all of the GUI libraries (they don’t weigh much), that is. See, you leave the bloat in for easy dev and troubleshooting and just don’t load it for normal running. I’ve got quite a few embedded boxes like that, makes them a lot easier and convenient to run & adjust in the field. And yes, there is also that fun challenge of trying to bum a system down the as minimum as possible but in this case there’s no shortage of resources.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170043",
"author": "Afterm4th",
"timestamp": "2010-08-18T23:54:10",
"content": "I was just thinking about doing this with a blimp. :/^^^ it was done at defcon 16. They did a passive sniff with a weather balloon. Got pretty much all of Vegas.I was at the con and seen their vid clips. They were not suposed to do it (didnt have FCC and the city of vegas said they wern’t aloud to do it even tho they were out of regular air space etc…) but they did it anyways and it rocked.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170044",
"author": "Jerry Whiting",
"timestamp": "2010-08-19T00:02:57",
"content": "@anon:a.) It’s a condo not an aptb.) the white square at the lat/long is my web camhttp://www.JetCityOrange.com/Seattle/Space-Needle/next up: a BlinkM MaxM lighthouse if not the TweetM!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170066",
"author": "doc oct",
"timestamp": "2010-08-19T03:18:28",
"content": "I can hardly commend these guys on their web design. Images locked up in a horrible flash slideshow, the specifications are in a powerpoint, fairly sparse and un-detailed layout all around.I was a little surprised to see the prop runs on electric. I imagine that’s the reason for the relatively short run time. You’ve got your motor contending with the same limited resources that your computer board is using. I wonder how much longer it might be if it was a gas engine.That said, I’d love to stick a ham radio capable of crossband repeat into one of these things. That’d be a hell of a special events station.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170080",
"author": "moo",
"timestamp": "2010-08-19T04:23:43",
"content": "The reason they used bt4 is prolly because its so easy to use and u don’t have to build it from scratch and it supports a lot of hardware. Oh and u can run bt4 without kde.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170109",
"author": "Nitori",
"timestamp": "2010-08-19T06:05:52",
"content": "I had a very similar idea a few years back but with a helicopter and an arm based SBC such as a gumstix.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170180",
"author": "barry99705",
"timestamp": "2010-08-19T11:13:42",
"content": "@Radio GuyWhich FCC rules would that be?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170195",
"author": "cantido",
"timestamp": "2010-08-19T12:38:00",
"content": "@scrappylaptop>They’re called runlevels,You’re assuming a SysV style init.. Isn’t backtrack based on Ubuntu which uses an event based init setup?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170196",
"author": "Heatgap/Ho0d0o",
"timestamp": "2010-08-19T12:45:29",
"content": "It’s running Backtrack 4!! How sexy is that?! Awesome project, awesome article! I have actually thought of something like this while messing with my nitro planes but I didn’t know where I would begin to implement it. This is seriously friggin’ awesome!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170251",
"author": "lwatcdr",
"timestamp": "2010-08-19T16:46:13",
"content": "@doc oct Electric is very popular these days in RC. It is clean and not to loud.I would be tempted to try this with say a gummstix. It is much smaller than an mini ITX and they make them with both bluetooth and Wifi.You also have a camera interface so you could include a camera with it.Also another good platform for this might be this airplanehttp://www.dynaflite.com/airplanes/gpma0090.htmlIt has a huge wing and flys very slow.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170252",
"author": "Roberto",
"timestamp": "2010-08-19T16:47:16",
"content": "Talk about cloud computing! ;)I don’t know if the FCC or the FAA will knock on their doors first.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170254",
"author": "nubie",
"timestamp": "2010-08-19T16:54:29",
"content": "Very cool, my intro to computer science teacher at the local college was a temp; a recent State U grad and he was quite into hacking ;)His Wifi was in the basement pointed at the sky so that no signal was available outside his house to be hacked into, or so he thought.This little guy could probably do the trick :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170258",
"author": "barry99705",
"timestamp": "2010-08-19T17:09:35",
"content": "@ RobertoWhy would either “come knocking on their doors”?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170378",
"author": "Not Smart",
"timestamp": "2010-08-19T21:31:26",
"content": "Neato. I was thinking of taking my old ar430w and putting openwrt on it and then sending it up in a non autonomous helicopter.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170395",
"author": "asheets",
"timestamp": "2010-08-19T22:23:31",
"content": "@barry99705 — you are correct, sir (I’m assuming, “sir”). If there is a law against building a radio receiver and sticking it in a toy airplane, I’d love to hear it…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170433",
"author": "chiefcrash",
"timestamp": "2010-08-20T00:00:02",
"content": "@cantido: I believe backtrack is based on SLAX, which in turn is based on Slackware…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170435",
"author": "moo",
"timestamp": "2010-08-20T00:15:02",
"content": "@chiefcrash: i belive bt3 was based on slax but in bt4 they moved away from slax to make it more of a real os.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170436",
"author": "NatureTM",
"timestamp": "2010-08-20T00:21:04",
"content": "Wow, I love this thing! I think my new nerd-fantasy is to hack this thing or its remote control server mid-flight, and have it land in a park where I will be sitting on a bench with my laptop, hahaha.Ironically, I hope they though of security when they coded it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171533",
"author": "cantido",
"timestamp": "2010-08-20T11:16:14",
"content": "@chiefcrashApparently 4+ is based on Debian .. snip snip from wikipedia;February 11, 2009 \tBackTrack 4 first beta release. (It’s now based on Debian)We still have a SysV style init, but starting up daemons is parallelised to some degree..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "428785",
"author": "coolmike8789",
"timestamp": "2011-08-05T03:24:21",
"content": "Why is it tagged “penetration”?!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,391.875928
|
||
https://hackaday.com/2010/08/18/mbed-robo-rover/
|
Mbed Robo-Rover
|
James Munns
|
[
"Robots Hacks"
] |
[
"first!",
"mbed",
"robo",
"robot"
] |
There are a ton of rapid prototyping available on the market these days which all cater to different niches. Todays project, a
robotic rover on a 4 wheel chassis
, is based on the
NXP mbed
. The mbed is a popular board for higher need applications, and is centered around an ARM Cortex core.
This multi-part writeup is a great place to start for people who are looking into making a robot of any kind. [Aaron] explains a lot of important concepts that are often overlooked by novices of robot building, including the importance of movement feedback such as quadrature encoders, as well as the usefulness of Inertial Measurement Units (IMUs) to maintain bearing and terrain awareness. This project is nearing completion, and promises to deliver essential material such as source code, a bill of materials, and the robot in action.
This could also be a valuable tool for any
FIRST
teams looking to understand some of the necessary ideas in creating a robot. Are there any Hackaday readers out there participating in or mentoring a FIRST (or any other robotic competition) team? We would love to hear from you!
| 11
| 11
|
[
{
"comment_id": "169854",
"author": "Luke",
"timestamp": "2010-08-18T13:23:39",
"content": "I mentor the Rolling Thunder Robotics team (#2421) in Springfield, VA. My first year I was really amazed how well the kids took to building robots. FIRST is definitely a great program for learning electronics and programming. It’s also a ton of fun! Check out one of the competitions if you’re curious.The only down side is that FIRST has chosen to use a PLC and they do not allow any custom circuit boards. They did that to keep everything simple and on an even playing field, but it does limit the robot a bit. If only we could use an ARM and custom PCBs. Now, how do I get a Hack-a-Day sponsorship for my team?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169870",
"author": "ben",
"timestamp": "2010-08-18T14:01:48",
"content": "I like how the use of FIRST in the first comment is actually relevant to the topic…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169888",
"author": "strider_mt2k",
"timestamp": "2010-08-18T15:36:00",
"content": "Well put, Ben. ;)Nice work on this one. Very clean.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169889",
"author": "FaultyWarrior",
"timestamp": "2010-08-18T15:36:36",
"content": "@Luke – some custom circuts are allowed. The team I was on last season (and will mentor this season) (EPIC [3183]) used a few custom circuits for our lifting system and centering system.I’d go insane trying to code for ARM. (Maybe just me not liking ARM in general?) I found working in pure Java on the NI cRIO (realistically, a souped up FPGA) much better than the lower FIRST levels (An attempt at C on the Lego NXT platform – which all lower devisions use as of now.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169893",
"author": "Shane",
"timestamp": "2010-08-18T15:44:39",
"content": "I am a member of the FIRST team 3021 The Caiman Agents Escondido, CA. Let me start off with saying FIRST is awesome. This is my third year involved, and every year it just gets better and better. Ive learned so much about marketing, Engineering, electrical, and fabrication.I understand what Luke is saying about not allowing custom circuit boards on the robot, However, As-long as the custom circuit board is in slave [as a sensor input etc…] to the PLC or the drivers station (big remote control for the robot0) It should be legal.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169958",
"author": "JBot",
"timestamp": "2010-08-18T18:46:39",
"content": "Long-time FIRST addict here. I am an alumni of Truck Town Thunder (#68).To be honest, I much prefer working at a lower level–when I was coding in C, it was much more pleasurable than dealing with a pre-built framework in Java. Then again, I didn’t do much of the Java-cRIO stuff myself because I graduated in ’08; the new system came in ’09. I did help mentor with that one, but I was nowhere near as hands-on as before.There’s something to be said about writing the boilerplate and knowing how every drop of your code works. Then again, writing boilerplate may not be the most conducive to helping inspire high schoolers.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169990",
"author": "Logan W.",
"timestamp": "2010-08-18T20:13:41",
"content": "Wow! I am a in 8th Grade and last year was my FIRST year (hahah Pun) so i didnt get to do much but this robot would be great! :D (by the way: team 1501!)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170069",
"author": "Chip",
"timestamp": "2010-08-19T03:39:54",
"content": "Never had FIRST in high school, now about to enter my third year (and my fifth and final year of my engineering undergrad…) mentoring Team 1829 which includes the school I graduated from.It’s a blast. I can’t wait until this season where I’ll have more time to be involved. It’s for the kids, but I’ve learned a TON of awesome stuff from it as well. The first year I was involved was the first year my old high school got on board, we built almost the entire robot out of carbon fiber panels and plexiglas. Last year we learned vacuum forming. It’s fun and did I say awesome?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171549",
"author": "kevin mcguigan",
"timestamp": "2010-08-20T12:58:04",
"content": "anyone in las vegas nevada doing any robotics building? would like to participate.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171784",
"author": "Shane",
"timestamp": "2010-08-21T00:30:04",
"content": "@kevin mcguigan, I would suggest considering becoming a FRC mentor here is one such team in that area:http://www.robotics9000.com/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172502",
"author": "Juan",
"timestamp": "2010-08-23T17:11:35",
"content": "I’m a mentor for team 1817, a team mentored purely by engineering college students and it’s a blast! We’ve put together a couple custom circuits with the kids in order to use special sensors a couple times, and everything has worked out well. We actually use LabVIEW to program the robot rather than C or Java and have had excellent success with it! I recommend everyone at least give it a try!Can’t wait to see what sensors these guys come up with, I’m sure they’ll help with next year’s competition!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.048005
|
||
https://hackaday.com/2010/08/17/building-a-discrete-digital-analog-converter/
|
Building A Discrete Digital-analog-converter
|
Mike Szczys
|
[
"digital audio hacks"
] |
[
"dac",
"digital to analog converter",
"ladder",
"r-2r",
"resistor"
] |
Want to take back control of how your digital audio files become sound? One thing you can do is to
build your own digital to analog converter
. This one is made from discrete components, centered around a resistive ladder. Yes, there are a couple of integrated circuits in there which are used for demultiplexing the incoming signal but the magic happens in that R-2R network. The project is an interesting read and makes a point of looking at the issues raised when trying to precision match resistors. Apparently it can be done with 0.1% components if you have a lot of them and a multimeter that can measure down to seven decimal places.
[Thanks Bigbob]
| 26
| 26
|
[
{
"comment_id": "169681",
"author": "octel",
"timestamp": "2010-08-17T19:56:28",
"content": "This reminds me of the ‘Covox Speech Thing’ marketed in the late 1980s as a cheap sound card for attaching to the parallel port of a PC.It had a very unique sound!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169686",
"author": "Leigh",
"timestamp": "2010-08-17T20:06:53",
"content": "Here’s a good and funny article about resistor tolerance and trying to get something better using an ohmmeter:http://www.edn.com/article/509250-7_solution.php",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169692",
"author": "sellout",
"timestamp": "2010-08-17T20:28:25",
"content": "@octel – Good call, and thanks for the trip down memory lane.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169704",
"author": "Napalm",
"timestamp": "2010-08-17T21:34:05",
"content": "@octal – I put together one of those back in 2007. I did play around and add some other components to it after the picture was taken.http://www.netcore2k.net/images/napalmsblog/soundcard.jpg:)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169713",
"author": "mjrippe",
"timestamp": "2010-08-17T22:25:00",
"content": "@Leigh – Great article, thanks for sharing!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169718",
"author": "Erik Johnson",
"timestamp": "2010-08-17T22:47:34",
"content": "This seems a bit complex, no? There’s no need for demultiplexing if your resistors are powers of 2 to each other (eg 1k, 2k, 4k, 8k, 16k, etc) straight from the address lines…?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169737",
"author": "Icy",
"timestamp": "2010-08-18T01:20:57",
"content": "If you’re interested in this, Horowitz & Hill’s Art of Electronics has this, along with an op amp based D/A but gives preference to the R-2R network.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169740",
"author": "error404",
"timestamp": "2010-08-18T01:55:00",
"content": "@Erik:I assume he’s referring to demultiplexing the two stereo channels from his I2S source (presumably to two identical DAC units). It’s a serial protocol, so some additional logic is also required to latch the samples onto the R2R ladder.If you’re interested, here’s the interface spec:http://www.nxp.com/acrobat_download2/various/I2SBUS.pdf",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169741",
"author": "MrX",
"timestamp": "2010-08-18T02:07:12",
"content": "@Leigh Really funny. Thanks for sharing",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169748",
"author": "Justin",
"timestamp": "2010-08-18T02:54:45",
"content": "I have been looking at doing this with a shift register for some lower bandwidth variable DC outputs for analog controls.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169797",
"author": "nah!",
"timestamp": "2010-08-18T07:44:15",
"content": "I want to hear the sound!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169816",
"author": "icept",
"timestamp": "2010-08-18T10:22:15",
"content": "Am I the only that read “discrete digital-analog-converter” and wondered how it differed from a continuous DAC?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169826",
"author": "Grapsus",
"timestamp": "2010-08-18T11:07:58",
"content": "I made one of those working on parallel port and was able to play 8bit wav files, it was awful quality, but so much fun.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169840",
"author": "Aussietech",
"timestamp": "2010-08-18T12:18:20",
"content": "Tom is coy about monotonicity (or lack of it).“While the measured performance is underwhelming …”I’ll bet it is.“Free for non-commercial use only”Far out humour Tom.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169842",
"author": "fartface",
"timestamp": "2010-08-18T12:21:31",
"content": "Very cool I put one of those together back in 1987 for my TRS-80 Color Computer. I write a speech synth in software and wanted a better sound output system.more electronics 101 stuff.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169847",
"author": "jeff-o",
"timestamp": "2010-08-18T12:52:16",
"content": "Sorry, I’m failing to see how this is better than a commercial DAC IC.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169869",
"author": "Rob",
"timestamp": "2010-08-18T13:54:44",
"content": "“This seems a bit complex, no? There’s no need for demultiplexing if your resistors are powers of 2 to each other (eg 1k, 2k, 4k, 8k, 16k, etc) straight from the address lines…?”I think “demultiplex” here means do a serial to parallel conversion. It’s a 16 bit DAC, not a 4 bit like it appears at first glance.“Sorry, I’m failing to see how this is better than a commercial DAC IC.”Sorry, Hack a Day really isn’t for you, is it?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169875",
"author": "David",
"timestamp": "2010-08-18T14:37:20",
"content": "@jeff-oSometimes you have to remember because i can or wanted to see if i could is a reason to do something . You don’t always have to do something just to make it better than a commercial product.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169924",
"author": "jeff-o",
"timestamp": "2010-08-18T17:10:23",
"content": "Oh, I have nothing against doing stuff for the heck of it. I do plenty of that myself! But this looks like it’s being presented as a permanent solution to a problem that doesn’t need solving (or rather, has already been solved dozens of times.) A significant amount of time and money was spent developing this into some sort of rack-mounted DAC, and to what end? Bragging rights to a DAC that may or may not sound no better than an IC-based solution, while requiring more space and energy to run?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169944",
"author": "Erik Johnson",
"timestamp": "2010-08-18T18:10:26",
"content": "@Rob, ah you are correct – now it makes sense. Those chips are 74HC5958 shift registers, NOT demultiplexers",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169964",
"author": "natrix",
"timestamp": "2010-08-18T19:10:15",
"content": "@jeff-oUsing your logic, going to lab in engineering school would be pointless. What’s the point on creating an opamp from scratch using 6 or 7 transistors, a capacitor, and 2 or 3 resistors when you can go and buy one for $0.50?Uh, to learn how it works?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169991",
"author": "Njay",
"timestamp": "2010-08-18T20:20:02",
"content": "I remember the Covox very well, I still have it around somewhere I think… it was just a R2R DAC to connect to the parallel port, and yes, it sounded very good, almost as if you had a sound card :). I built mine some 20 year ago.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170028",
"author": "therian",
"timestamp": "2010-08-18T22:48:28",
"content": "just what I like",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170256",
"author": "nubie",
"timestamp": "2010-08-19T17:06:15",
"content": "And thats the way, I LIKE IT!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170375",
"author": "scatterbrained",
"timestamp": "2010-08-19T21:10:42",
"content": "good write up about r/2r laddershttp://www.irctt.com/pdf/laddernetworks.pdf(and yes, you can buy them pre-made and matched)I used 3 5-bit ladders to convert 555 RGB data into an analog RGB video signal for an LCD. worked like a champ.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "335964",
"author": "SteveG",
"timestamp": "2011-02-17T19:26:41",
"content": "For further trips down memory lane…when Future Crew released their tracking software, ScreamTracker…they included a text based schematic to build a very simple parallel port DAC…the sound quality was mighty impressive considering the best sound card out at the time was the Creative Adlib. It made the whole demo experience much more entertaining, especially with the classic Unreal and Panic demos. We had fun building the entire circuit right on the parport plug itself, turning it into a dongle =) This definitely brought a tear to my eye, its been a long time since ive see a r-2r dac",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.000386
|
||
https://hackaday.com/2010/08/17/ride-fly-segway-diy/
|
Ride Fly: Segway DIY
|
Jakob Griffith
|
[
"Transportation Hacks"
] |
[
"12ah",
"500 watt",
"diy",
"sb-scooter",
"segay"
] |
[vimeo
http://vimeo.com/4317930%5D
The video above is the final
working DIY Segway
from [sb-scooter]. The website and build log don’t have a lot of information at the moment, but you can still gawk at several pictures of the
construction
(and a picture is worth 1000
German
words).
For those looking for the nitty gritty, with some quick math we figure its two 500 watt motors, powered by 12Ah batteries, will last about 90 minutes. If you’re looking for more details or to build your own,
you’re as lost as we are
.
[Thanks Panikos]
| 9
| 9
|
[
{
"comment_id": "169652",
"author": "Colecoman1982",
"timestamp": "2010-08-17T17:43:36",
"content": "This looks like a nice implementation, but it is far, far, from being original. If you want a write-up, in English, with info on how to build your own version, check out Trevor Blackwell’s project page:http://tlb.org/scooter.htmlAs far as I know, he was one of the first (if no the first) person to throw together a DIY Segway.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169674",
"author": "Gert",
"timestamp": "2010-08-17T19:35:53",
"content": "Nice work. Most cost quite the effort.But i’d rather chop off my legs and get a cheeta prostethic than to ride on a lazy person device.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169677",
"author": "Yossarian",
"timestamp": "2010-08-17T19:41:05",
"content": "Pretty sure Maddox beat you to the punch.http://tlb.org/scooter.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169768",
"author": "Curtisbeef",
"timestamp": "2010-08-18T03:40:06",
"content": "Whats up with all the hate… Like oooo someone else made one one first. Who fucking cares this one has many improvements on that. Who cares who did it first… its not a competition.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169779",
"author": "jeditalian",
"timestamp": "2010-08-18T05:06:56",
"content": "i remember when it was called ‘ginger’ or something. if that’s the same guy who built it from duct tape, then you’re right. but if it is the same guy, he must have cleaned up his design. i remember LOTS of duct tape. but i thought it was on HaD back then. sadly, all i can find is that guy that’s been linked to twice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169820",
"author": "strider_mt2k",
"timestamp": "2010-08-18T10:39:50",
"content": "Nice work.Whiners go home.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169877",
"author": "Pekka",
"timestamp": "2010-08-18T15:04:40",
"content": "Elektor has been selling a Segway style kit called the “Wheelie” for some time now here in Europe. The project is open source with schematics, so if you can build the hardware according to their spec then you’re ready to go and probably without spending much $$$!https://www.elektor.com/projects/elektorwheelie.986808.lynkx",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169955",
"author": "Alex",
"timestamp": "2010-08-18T18:38:15",
"content": "Nicely done, but like the original segway, it is still easier walking or runing than using this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170046",
"author": "UltimateJim",
"timestamp": "2010-08-19T00:13:51",
"content": "He never actually stops moving in the video… Also a lot of pitch in the movement, I wonder if its self balancing?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.088721
|
||
https://hackaday.com/2010/08/17/negative-laser-etching/
|
Negative Laser Etching
|
Mike Szczys
|
[
"Laser Hacks"
] |
[
"etch",
"laser cutter",
"pcb",
"spray paint",
"toner transfer"
] |
[James] has been refining a method of
negatively etching metal with a laser
. He had been using a product called Thermark which is designed for this process, but it’s quite expensive. He found that paint designed for wood stoves works just as well. To prepare the surface he bead blasted it and then cleaned of the residue and finger prints off with acetone. The board was preheated in an oven before covering it with the spray paint. He ran the laser at 98/100 power and 90/400 speed at a step size of 0.1mm to achieve the results above. This should immediately make you think about
making circuit boards
. We’d love to ditch the toner transfer and we’re always looking for one more reason to get a laser cutter.
| 23
| 23
|
[
{
"comment_id": "169603",
"author": "James",
"timestamp": "2010-08-17T16:06:17",
"content": "Oi! Don’t give spoilers for my next project! :D Laser etched then chem-etched circuit boards may be right after the shaft encoder.Thanks for the feature! I updated the laser cutter speed to 300 after you wrote your post, it gives a shinier result!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169611",
"author": "Mav",
"timestamp": "2010-08-17T16:21:28",
"content": "Nothing new I been doing that on my laser for a while , just spray the metal , let it dry then blast off the paint with the laser",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169615",
"author": "osgeld",
"timestamp": "2010-08-17T16:23:30",
"content": "someone already has an instructable on making pcb’s like this, cept I think they used plain old krylon",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169622",
"author": "Macpod",
"timestamp": "2010-08-17T16:28:25",
"content": "I wonder if you could blacken the metal with a lit candle and come out with a similar effect.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169636",
"author": "M",
"timestamp": "2010-08-17T16:55:33",
"content": "I wonder if you could do colored layers",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169650",
"author": "goffknard",
"timestamp": "2010-08-17T17:42:24",
"content": "I’ve used toner from a copying machine to achieve similar results to Thermark. Simply lift the cover of the machine, hit copy, and it prints out a sheet of toner. Put the paper toner-side-down on the surface to be marked. Then, laser mark the back of the paper at low power levels, and it burns the toner onto the surface. I did this on clear plastics when I ran out of Thermark.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169670",
"author": "chiefcrash",
"timestamp": "2010-08-17T18:58:39",
"content": "@macpod: but would that be etchant resistant?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169675",
"author": "Mav",
"timestamp": "2010-08-17T19:37:50",
"content": "Tried it as an etch resist also , it doesn’t work well.The Lase abilates the paint just fine but also leaves an invisible oxide residue that prevents etching ,, bummer really",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169716",
"author": "Twerpling",
"timestamp": "2010-08-17T22:44:22",
"content": "I’ve done this many many times. Standard store bought spray paint doesn’t work very well since it leaves a slight residue that cannot be taken off consistently without damaging traces.I have actually experimented with every brand I could get my hands on (something like 10 to 15 separate brands). The one that seems to work the best is “Rustoleum Painters Touch 2xCoverage” brand. You also get far better results if you a) fire the laser when the paint is under water (doesn’t form as much residue) , b) paint two or more coats on the surface (residue can be taken off without damaging the traces).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169767",
"author": "Amos",
"timestamp": "2010-08-18T03:31:29",
"content": "What about using other materials for coating? Toner was mentioned, but what about, say, the plastic used for powder-coating?I’ve even thought about using wax. It’s not as easy to put on, but it might leave less residue. Making a spin-coater like they use in the CD-pressing and semiconductor fabbing industries might be worth a try… And if you did, you could try all manner of liquids, paints, etc.I just thought of something crazy: use liquid clay (aka “slip”) and use the laser to form a ceramic resist!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169775",
"author": "Drone",
"timestamp": "2010-08-18T04:43:09",
"content": "“…then cleaned of the residue and finger prints off with acetone.”HaD please un-hack your spelling/grammar checker.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169946",
"author": "ril3y",
"timestamp": "2010-08-18T18:13:56",
"content": "Cermark is expensive. However it does not provide the effect above. What cermark does it is it goes on to your metal (a slight green tint) and then once you laser it it leaves the black on the metal. What he did was spray paint the WHOLE object then remove the paint. Not the best idea say if you wanted to just do a few lines of text on something metal.This is what I have been doing for a bit now.Here:http://blog.synthetos.com/laser-etched-pcbs-take-2/http://blog.synthetos.com/magnetic-linear-encoder-and-it-works/http://blog.synthetos.com/musamp/and herehttp://blog.synthetos.com/pcb-cyborg-art/Black Car primer works the best for me.Ril3y",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169954",
"author": "Renee",
"timestamp": "2010-08-18T18:38:12",
"content": "How can this be used for pcb’s? Aren’t you just removing the top layer of paint to reveal metal underneath? I mean isn’t it still just one interconnected piece of metal?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169966",
"author": "mowcius",
"timestamp": "2010-08-18T19:13:20",
"content": "Renee, then you etch the board. The paint then acts as the resist material. It’s a very accurate way to do it.I have also done this many times but never for PCBs",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170003",
"author": "Laser Toner",
"timestamp": "2010-08-18T20:45:34",
"content": "Really interesting, never done much with laser etching but seems cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170024",
"author": "Renee",
"timestamp": "2010-08-18T22:30:20",
"content": "So the etching removes the exposed metal and then you remove the paint? Sorry for the noobish question.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170037",
"author": "James",
"timestamp": "2010-08-18T23:10:10",
"content": "@Renee – The terms make it a little confusing. Laser etching removes the paint and leaves exposed metal. Chemical etching then removes the exposed metal, leaving the metal covered by the paint, which are the PCB tracks. Wash off the paint with acetone and you have a PCB!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170051",
"author": "ril3y",
"timestamp": "2010-08-19T01:05:55",
"content": "@renee and @Jamesreneee.. James nailed it. So your exposed metal is then coated in ferric chloride (or whatever) and its removed. I then use a dremmel with a soft wire brush + acetone.Here are exact process images:1. PCB lasered to reveal metal (black = traces)http://www.flickr.com/photos/rileyporter/4374283832/2. Chemically Etched. Paint still on.http://www.flickr.com/photos/rileyporter/4373728351/3. A PCB is born.http://www.flickr.com/photos/rileyporter/4373738883/Hope that helps.ril3y",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170057",
"author": "Renee",
"timestamp": "2010-08-19T01:25:46",
"content": "OK, yeah that’s what I thought! Thanks!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171166",
"author": "bwmetz",
"timestamp": "2010-08-20T05:24:41",
"content": "Just a crazy idea, but once etched…couldn’t you just leave most of the paint in place to protect the traces from corrosion, etc, i.e. just clean the pads you need to solder too? I think cleaning it all would be less time consuming, but if the paint can protect, it’d be an interesting project to etch a non-green PCB if you could find a contrasting paint color that works.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171544",
"author": "ril3y",
"timestamp": "2010-08-20T12:02:20",
"content": "Yup. You could. However I usually am too impatient to hit the 603, 403, smd component pads individually. I also thought about creating a new “mask” that once the board was etched I would place it back in the laser and just remove the pads with the laser. However alignment is hard to get right when you are working with such fine parts.ril3y",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171718",
"author": "George Johnson",
"timestamp": "2010-08-20T20:58:44",
"content": "So dump the TTS method of making PCB’s. I use MG Chemicals pre-sensitized board. They are exposed using regular fluorescent lamps so it’s really easy to make single and double sided boards simply by printing out the patterns on clear transparency sheets. Works great.Also, they make a Plated Through Hole kit for hobbyist!! I haven’t tried it out yet, but it’s a kit that sells for just under $200 I think.I could NEVER get the TTS method to work. As much as I tried, it’s just one of those things I could just never get quite right.Once I found the MG Chemicals boards, I never looked back. Use those, then tin plate the traces. Then spray it with that green acrylic paint. Use the TTS system to lay on a silk screen of components, and you end up with a VERY professional looking board. You can even get a small, cheap gold plate kit to do your own push buttons (like on a TV remote) or edge connectors.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171720",
"author": "George Johnson",
"timestamp": "2010-08-20T21:07:00",
"content": "So what are we using to LASER etch the things with in the first place?? I missed something somewhere.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.274293
|
||
https://hackaday.com/2010/08/17/a-desktop-made-of-air/
|
A Desktop Made Of Air
|
James Munns
|
[
"laptops hacks",
"Mac Hacks"
] |
[
"air",
"keyboard",
"laptop",
"macbook"
] |
[Bart] managed to get his hands on a
Macbook Air for free
. The catch was that the monitor hinge was broken and the laptop wasn’t in too great of a condition. Rather than scrapping it or using it as a
cake cutter
, he decided to turn it into a keyboard PC. By removing the internals he was able to fit all of the components with minimal modification. [Bart] has added a few things to make it a functional desktop, such as integrating a USB hub under the the keyboard and fitted the keyboard with a Magic Trackpad. As with any great hack, the project is still in progress, and we can’t wait to see the final touches as it comes together.
| 19
| 19
|
[
{
"comment_id": "169588",
"author": "donw35",
"timestamp": "2010-08-17T15:11:47",
"content": "how cool, I started with a Commodore 64 way back, looks like this type of keyboard PC has a place in the market again.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169590",
"author": "Gert",
"timestamp": "2010-08-17T15:13:43",
"content": "He says the main problem is going to be cooling the system. I bet there are some Hackaday listeners out there that know simple solutions.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169591",
"author": "Water",
"timestamp": "2010-08-17T15:19:13",
"content": "He should use water cooling.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169597",
"author": "homb",
"timestamp": "2010-08-17T15:41:05",
"content": "It all survived inside the laptop, so he can’t need too much to cool it. maybe when he’s got no duct tape and a shell with more perforations in it things wont be so bad",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169599",
"author": "Heatgap/Ho0d0o",
"timestamp": "2010-08-17T15:50:22",
"content": "A Mac hack! I love this! I am absolutely by no means an Apple fan, but hacks like these are few and far between. It’s good to see such a sexy hack done with a relatively expensive computer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169604",
"author": "jeditalian",
"timestamp": "2010-08-17T16:11:15",
"content": "free is hardly relatively expensive..lol jk i know what u mean.that thing is way sexier than the laptop i got for 5 bucks.most likely better too",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169610",
"author": "marshall",
"timestamp": "2010-08-17T16:20:25",
"content": "it would be nice to see wireless video on here !!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169628",
"author": "M4CGYV3R",
"timestamp": "2010-08-17T16:40:04",
"content": "How is it that something like this makes it to Gizmodo 3 days before Hack-a-Day?*Enter smarmy picture and comment about this being an Apple II clone 30 years later here*",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169638",
"author": "Asuraku",
"timestamp": "2010-08-17T16:57:22",
"content": "Cooling:1. Encase the whole thing in acrylic.2. Make a mineral oil proof port extension plate. (The damned stuff is awesome for submersion cooling, but will seep down your wires and cables)3. Add a low power (DC) compact fishtank pump.4. Remove the fan and cover, but not the sink.5. Place input and output of pump accordingly.6. Fill with mineral oil.7. ???8. Profit!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169656",
"author": "gregman_1",
"timestamp": "2010-08-17T17:55:55",
"content": "Would have been a hundred times cooler if put into a C64 or Ti99 case.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169679",
"author": "sean",
"timestamp": "2010-08-17T19:50:13",
"content": "shoot, if I would’ve known that this was Hackaday worthy I would have uploaded my build of this forever ago. I did the same thing… macbook motherboards are great because they’re so tiny.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169680",
"author": "D_",
"timestamp": "2010-08-17T19:56:05",
"content": "Looks a little rough sure, but it’s a bit silly to criticize a work in progress someone publishes to the web. I’m not sure we will see a resurgence of “keyboard computers”, because the really never went any where, but we call them netbooks or laptops. For a desktop, an all contained int the monitor with a separate keyboard make the most sense. Especially if a secure wireless keyboards are available",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169684",
"author": "octel",
"timestamp": "2010-08-17T20:01:05",
"content": "@M4CGYV3R“smarmy”You keep using that word. I do not think it means what you think it means",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169705",
"author": "dext0rb",
"timestamp": "2010-08-17T21:34:09",
"content": "this is an interesting idea. i’ve got a macbook pro that is on its last legs and i’ve been thinking of modding it in some way.1. make a new acrylic case for it; make it look like a macmini2. do something like this post3. put it inside a C64 (cant decide breadbox or white)…leaning towards C64 case and reusing the keyboard as USB input.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169717",
"author": "Hitek146",
"timestamp": "2010-08-17T22:45:01",
"content": "“How is it that something like this makes it to Gizmodo 3 days before Hack-a-Day?”LOL. Yea, I knew when I saw this on ModMyI this morning before I submitted it here that this was probably old, but I hadn’t seen it before, so I figured I’d let them know about it, and then let them decide to post it or not. I am not an apple fanboy either(the only iProduct I own is an old iPhone 2G I built for free from 2 other broken phones), but this project looked pretty sweet… :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169785",
"author": "the_woz",
"timestamp": "2010-08-18T05:45:58",
"content": "Leave the C64s and TI-99s alone, nothing you can cram inside it’s cases would be in any way better or cooler than the original hardware ;)Also those hideous flat apple keyboards remind me more of the Timex 2068 or the Mattel Aquarius rather than the (by today standards) excellent keyboards of the C64 or TI-99",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169795",
"author": "Hitek146",
"timestamp": "2010-08-18T07:01:24",
"content": "^Yea, I was just setting up one of these new all-in-one Macs with the wireless keyboard and mouse, and the keyboard actually felt like an old-school Apple IIc keyboard! Talk about going back to basics…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169949",
"author": "Srek",
"timestamp": "2010-08-18T18:20:11",
"content": "This is hardly a hack that he takes apart a laptop and puts it to the table and btw stop this profit? nonsense. Theres no profit in most of these hacks on the site.1, take apart a laptop2, spend a lot of time thinking of how to cool it3, ???4, wasted a lot of time",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172030",
"author": "hunnter",
"timestamp": "2010-08-21T20:26:23",
"content": "I think i can safely say this for everyone:^(Srek) WHOOSHThat picture isn’t the hack, that is what it looks like inside the new case.http://farm5.static.flickr.com/4075/4899998400_1524a17f94.jpghttp://farm5.static.flickr.com/4080/4899647516_a8600442b8.jpgExample of the cover(s). The keyboard and magic trackpad are the top.The position can also be switched which i found really sweet.The numerous mods that will be done to it, as well as additional hardware added, such as a USB hub, all make it.Go to the site. They are soldering stuff in to it Soldering an already existent board makes it hacking, regardless of how simple it was. It is against the use-cases that the device was built for. (more-so in the case of Apple, they are completely against others opening their stuff these days)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.212614
|
||
https://hackaday.com/2010/08/17/repairing-the-itona-vxl-thin-client/
|
Repairing The Itona VXL Thin Client
|
Caleb Kraft
|
[
"computer hacks"
] |
[
"cluster",
"thin client"
] |
[Jim] was the happy recipient of 11 non working Itona VXL thin clients. The units he received were 800Mhz CPUs with 256 MB of Ram and 256MB of storage. None would power up. Upon internal inspection, he found a common theme. Leaky bulging capacitors in the power supplies. Since these came with custom 50W power supplies, he opted to
simply replace the caps instead of replacing the supplies themselves
. Now he has 11 fully functional units. There are great pictures and lots of info on his site, but what he doesn’t talk about is what he’s going to do with them.
Why don’t you pop on over to our
Hacker Q&A and tell us what you would do with them
.
| 33
| 31
|
[
{
"comment_id": "169567",
"author": "osgeld",
"timestamp": "2010-08-17T14:10:40",
"content": "yea recapping, people that deal with vintage computers do it all the timeif I had my guess on these units, that little 50W power supply probably runs a bit hotter than intended (especially over time when dust gets in there) and thus cooks the caps slowly till they get funkyAIO Macintosh’s (especially those without fans) suffer from this A TON",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169601",
"author": "Daley",
"timestamp": "2010-08-17T15:59:04",
"content": "I have a stack of the *exact* same units, and yes – my company has trashed them because of the same thing (failed PSU’s). I use ’em for anything from NAS devices to small webservers to….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169613",
"author": "jeditalian",
"timestamp": "2010-08-17T16:23:07",
"content": "videojuegos! unless they can run windows 3.1, then.. Windows 3.1!or just put SliTaz on it so it wont suck bc idk what windows XPE is but it includes the word windows",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169620",
"author": "osgeld",
"timestamp": "2010-08-17T16:25:18",
"content": "mind saying that in english please? (and why would you run windows 3.1 on a 800mhz computer?)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169643",
"author": "Whoever",
"timestamp": "2010-08-17T17:25:31",
"content": "Damn jeditalian, you has good taste in Linux distros. SliTaz was the first thing I thought. :-)…about the games, unless you meant modding it into an arcade machine with vintage games, I don’t really think it’s a good idea.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169687",
"author": "Decius",
"timestamp": "2010-08-17T20:13:11",
"content": "pretty sure my father has some of these at his work. I don’t know what you could do with these but they seem to have better specs than the original xbox so It would probably be good for small media on a tv (Nothing to advanced).I don’t know what else you could do with them after that besides what some have already said.*To bad the ram was only 256mb ~ I wonder if you can upgrade them?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169690",
"author": "baabo",
"timestamp": "2010-08-17T20:25:50",
"content": "That would be a perfect linux/bsd firewall/router. Just add a second NIC to the PCI port using a pci riser and dremel a bit. I’ve done this to an HP thin client.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169697",
"author": "Geordy",
"timestamp": "2010-08-17T20:46:15",
"content": "They might make good print or scanner servers. It strikes me odd that a thin client needed a joystick port. Maybe these would work well for MAME?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169723",
"author": "Hitek146",
"timestamp": "2010-08-17T22:57:56",
"content": "^Yes, I built one of these into a print server for a Multi-Function Printer that wouldn’t work with any dedicated server I tried. I used Windows Fundamentals for Legacy PCs(WinFLP)…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169727",
"author": "strider_mt2k",
"timestamp": "2010-08-17T23:49:15",
"content": "Some classic emulation is what I’m thinning. ;)I would love one to fix and play with.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169738",
"author": "Hitek146",
"timestamp": "2010-08-18T01:41:17",
"content": "^These thin clients(of various makes and models) are available very inexpensively on eBay. I think the one I used, I paid about $15 for…@osgeld: At the risk of sounding like an idiot, and without bothering to Google, if I recall correctly, “juegos” means “game” or “games”….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169773",
"author": "Osgeld",
"timestamp": "2010-08-18T04:18:41",
"content": "“They might make good print or scanner servers. It strikes me odd that a thin client needed a joystick port”its just a generic mini itx board stuck in a generic case with a sticker on the front, the pretty durn new dual core atom board I recently got has one too, most AA boards still come with the full assortment of ports, its just the big box names decided one magic day that it would save a nickel to not include them and almost overnight we hear OMG the legacy ports are becoming rare!!“At the risk of sounding like an idiot, and without bothering to Google, if I recall correctly, “juegos” means “game” or “games”….”it wasnt really the language (but thanks for the clarification, I wont bother to google it either) but man that was a post that all over the place..And I still cant figure out where windows 3.1 came in, crap I have a 1990 DEC PC386 laptop that, yea, will run 3.11 as it was fresh when the computer was new, but it also runs a couple of really tweaked out modern versions of linux, windows 95 and can access my wifi in doshere is the deal for anyone who was not A) around, or B) serious computer user during that time framethe only reason you had windows back then was either for your parents to run MS-WORKS, or to play FMV flash games, otherwise I cant imagine why anyone would want to touch it, even in this age, other than just for shits n giggles",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169794",
"author": "Drone",
"timestamp": "2010-08-18T07:00:19",
"content": "@jeditalian,Check outhttp://www.slax.orglike SliTaz but better(?)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169822",
"author": "strider_mt2k",
"timestamp": "2010-08-18T10:45:12",
"content": "@ Hitek146Thanks for the ebay tip!I’m looking around for one now.Go figure I’ve got a 16GB CF card laying around. I wonder if I CAN make a thin client retro gaming rig?WinXP e actually works out kinda well for that stuff, what with there being so many emulators and even XBMC might work, eh?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169828",
"author": "Srek",
"timestamp": "2010-08-18T11:09:46",
"content": "What would I do with them? Wouldnt accept them at the first place. Why massing more junk @home.Got like an 8 core server with 16gb ram even for that I hardly paid 1k.If you have in mind to build a cluster from these then rather forget it. All which gonna come out of it is spending more on energybill, waste space, generate more heat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169829",
"author": "jc",
"timestamp": "2010-08-18T11:19:29",
"content": "But will it run Crysis now?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169830",
"author": "strider_mt2k",
"timestamp": "2010-08-18T11:31:54",
"content": "Why don’t you also type “first post” and something about “more cowbell” if you’re really squeezing the last juice from that wrung-out meme?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169832",
"author": "Nonya",
"timestamp": "2010-08-18T11:40:06",
"content": "@strider_mt2k why cf it can use a full hdd.those flash cards are crap they would be the first thing to change out.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169862",
"author": "strider_mt2k",
"timestamp": "2010-08-18T13:41:01",
"content": "@NonyaBecause I don’t have a proper HD laying around extra. ;) (and it’s a lower power option too, but mostly because I don’t have an extra HD at the moment)Plus the CF card I have is a really fast one intended for this kind of application, so I thought it would be a good use for it.It also occurred to me that if I ran WinXP on it I’m not where to find drivers for the hardware, although it all lokks fairly standard on the thin client I’m looking at on Ebay.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169876",
"author": "strider_mt2k",
"timestamp": "2010-08-18T14:42:25",
"content": "XP Embedded FTW.No driver issues, whoops.Max the RAM and maybe add wifi?I’m bidding on a similar one. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169882",
"author": "PocketBrain",
"timestamp": "2010-08-18T15:26:13",
"content": "Geek-Republic had something similar recently, where it was an underspecced MOSFET (6A part in a 5V, 35W power supply) that kept failing. I gotta get in on this!Step 1: acquire some perfectly good net machines with one weak link.Step 2: ???Step 3: Profit!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169927",
"author": "BenJ",
"timestamp": "2010-08-18T17:15:06",
"content": "I actually bought a Neoware CA2 a few weeks ago and had to superglue a broken tab holding the front on and solder on a new power button and glue it into place… Though that was shipping damage.The Neoware CA2 uses standard PC100/133 RAM (Came with 256 MB in one slot), 256 MB flash chip on a male laptop IDE header on the motherboard, 800 MHz AMD CPU under a large heatsink and had the option to put in an ISA or PCI card.I was able to attach an IDE optical drive in a USB enclosure and install Windows XP FLP, though if I were to do it again, I would take advantage of the PCI slot and put in a USB 2.0 card.I’ve seen people using XP Embedded and using them as dedicated machines for a MagicJack, I’m still trying to find a good use for mine… A server is out of the question since I have an older P4 box running XP Pro under a desk for uTorrent, a Garry’s Mod server, very lightly used web server and a file server.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170050",
"author": "Hitek146",
"timestamp": "2010-08-19T00:55:27",
"content": "^Yea, it was a Neoware that I used too, and it also had a male header. I plugged a 2.5″ laptop adapter into the header, and then attached a standard IDE cable to a CD-ROM for installation and a second 2.5″ laptop adapter to connect my laptop HDD at the same time. Once I had the OS installed, I connected the laptop HDD directly to the motherboard header using a 2.5″ hard drive cable from an old Mac…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170266",
"author": "nubie",
"timestamp": "2010-08-19T17:16:52",
"content": "Fileserver w/torrent DL, and this would make a fantastic firewall with IPCop for example.It is incredible to surf the web with loads and loads of the crap all blocked and no need to worry about the users getting into trouble.Also, definitely a Car PC and a Email PC for the HDTV or Projector with a wireless KB/MS and Puppy Linux or Damn Small Linux installedPair with a wireless card and used car battery and make a mesh network, hide inside fake rocks and Wifi your whole neighborhood.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170335",
"author": "strider_mt2k",
"timestamp": "2010-08-19T19:31:31",
"content": "So cool!I managed to get one (MaxTerm 8300B) cheap AND to uncover an old 40GB HD and some other goodies I had laying around in my PC stuff drawer.This might be fun!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "171647",
"author": "strider_mt2k",
"timestamp": "2010-08-20T16:27:53",
"content": "Look, props to Jim and HAD for lighting a fire under my ass and helping me find a cool little project on the cheap.Like I said, I have a Maxterm 8300B TC on the way, as well as a couple of other helpful bits.When it all arrives/gets dug out of the PC junk drawer and put together I will document the project and share my own findings.:)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172101",
"author": "Brett_cgb",
"timestamp": "2010-08-22T02:53:48",
"content": "Web-cam server (think security system).Print server (USB or parallel).Radio scanner server (google “liveatc”).Build a small cluster.MP3/MPG/WMV player/jukebox.Weather station controller/logger.VOIP adapter.What speeds are the USB and LAN ports?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "185522",
"author": "strider_mt2k",
"timestamp": "2010-09-25T10:24:43",
"content": "Okay, my tinkerings with a thin client were not fun.Weak, badly supported hardware doth not a fun time make.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6667568",
"author": "NinCollin",
"timestamp": "2023-07-30T19:18:23",
"content": "Person from the future here; considering buying a similar thin client to your MaxTerm 8300; what all issues did you have with it? If you still have it, do you have any idea if it supports soundblaster emulation? A lot of those VIA C3 thin clients supported soundblaster emulation, but I can’t find any information about that PC’s chipset or anything (not even the archive.org’d manufacturer’s website)",
"parent_id": "185522",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "465131",
"author": "jagsph",
"timestamp": "2011-09-27T05:50:18",
"content": "I put a USB hub internally for permanent internal storage since the unit cannot house a hard disk and usb sticks are getting very cheap and large…there is also 2 extra internal pinouts for the usb ports at least in the itona that mcdonalds didnt want back :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "465132",
"author": "jagsph",
"timestamp": "2011-09-27T05:53:47",
"content": "http://www.mustardgiga.co.jp/download/mother/12ME-C7V7RH-1001R.pdfmotherboard manual",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "581315",
"author": "Mrt",
"timestamp": "2012-02-12T20:36:05",
"content": "Anyone know how much Watts this takes this board in the iddle?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3297166",
"author": "TeeWoo",
"timestamp": "2016-12-03T02:56:26",
"content": "No more than 65w i have 5 hard drives on mine with a 220w flex power supply. Mine has 1 ghz cpu and 2g of ram off the shelf. And yes you can fit a 2.5 in HDD in the box no problem.",
"parent_id": "581315",
"depth": 2,
"replies": []
}
]
}
] | 1,760,377,392.343606
|
||
https://hackaday.com/2010/08/14/portable-wifi-penetration-testing/
|
Portable WiFi Penetration Testing
|
Mike Szczys
|
[
"Security Hacks"
] |
[
"ATmega88",
"hd44780",
"la fonera",
"openwrt",
"pentest",
"wifi"
] |
Inside this box you’ll find a La Fonera wireless access point. [Emeryth] and his band of miscreants built this
portable device for WiFi security testing
. The AP is running OpenWRT and has been set up to use the 16×4 character display as a terminal. An ATmega88 connects the LCD as well as six buttons to the UART of the La Fonera. From there, a set of Ruby scripts takes care of the communication protocol. As you can see after the break, this setup allows you to scan the area for WiFi, showing channel, SSID, and MAC information. Although not specifically outlined in the video we suspect there’s some more devious tricks up its sleeve too.
[youtube=http://www.youtube.com/watch?v=bPdmfo15eyw]
| 25
| 24
|
[
{
"comment_id": "168569",
"author": "sM10sM20",
"timestamp": "2010-08-14T16:18:04",
"content": "I fukken love it!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168570",
"author": "isama",
"timestamp": "2010-08-14T16:22:44",
"content": "that’s a fun little box :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168589",
"author": "M4CGYV3R",
"timestamp": "2010-08-14T17:41:01",
"content": "It’s a great idea but it looks hard as hell to use.I would suggest a palmtop with a supported wifi card running BackTrack as a solid alternative. That’s what I use.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168598",
"author": "Paul Potter",
"timestamp": "2010-08-14T18:28:54",
"content": "Very very nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168603",
"author": "Word",
"timestamp": "2010-08-14T18:39:26",
"content": "Point of this =’s?You can do the same thing+ more with an iphone, itouch, etc…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168617",
"author": "treydogg",
"timestamp": "2010-08-14T19:24:08",
"content": "I want one!!! :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168619",
"author": "sariel",
"timestamp": "2010-08-14T19:27:48",
"content": "@Wordthis doesn’t cost $500 and won’t crash every 5 minutes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168622",
"author": "Cynyr",
"timestamp": "2010-08-14T19:35:10",
"content": "@wordYou can get nmap for the itouch? how about metasploit? wireshark? pcap? aircrack-ng? It’s a bit hard for me to browse the app store on my linux box…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "168634",
"author": "Jacob Fenwick",
"timestamp": "2010-08-14T20:08:22",
"content": "If you jailbreak your iPhone you can put aircrack-ng on it.",
"parent_id": "168622",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "168625",
"author": "NatureTM",
"timestamp": "2010-08-14T19:44:56",
"content": "Sounds like a mystery, so what I’d want it to do is:1. Identify and crack any WEP secured network in range. (Aircrack/similar scripts)2. Sniff and decrypt packets for cracked networks as well as sniff open network packets. (Wireshark)3. Filter these packets by keyword and save the “interesting” information (Ettercap/Wireshark/etc)4. Perform ARP poisoning and/or DNS spoofing. (Ettercap/etc)Of course this is all very illegal and care would have to be taken to be sure only your own networks are targeted, even though Google does some of it, haha.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168648",
"author": "Emeryth",
"timestamp": "2010-08-14T20:50:44",
"content": "Can’t believe we’re being featured on HaD, thanks guys!It’s true that it’s big and doesn’t do anything a notebook/PDA with linux and a good wifi card can’t, but it’s way more fun.The initial idea was to include automatic WEP cracking, password sniffing, AP spoofing using Jasager and other magic, but we ran out of time (this was a school project) :PI believe that the hardware of the Fonera has much more to offer than most other wifi chipsets and I’m already working on “Wifon 2.0” to prove it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168649",
"author": "Shield",
"timestamp": "2010-08-14T20:51:50",
"content": "@M4CGYV3RGo ahead show me a pda that can run Backtrack :rolleyes:.The closest thing to what you are talking about is an old Jornada 720 or 728 running aircrack and Jlime, but you would be limited due to the old hardware and only B pcmcia cards.The other option is to buy a viliv n5 or an mbook bz from dynamism for ~$600, a seperate usb wireless card, and tweak Backtrack to work on it. The cost is likely far greater than building this.Cliff Notes: You are an idiot.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168653",
"author": "JBu92",
"timestamp": "2010-08-14T20:57:01",
"content": "I’ve been looking to purchase one of the original Fon routers, but I can’t find them for sale. It’s definitely for a portable hack device so the new one is a no-go. Where do you go to buy them? (fon doesn’t sell them anymore)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168670",
"author": "Shadyman",
"timestamp": "2010-08-14T22:28:01",
"content": "ROFL @ “DEADBEEFCAFE” MAC address. I’ll have to remember that one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168671",
"author": "Shadyman",
"timestamp": "2010-08-14T22:29:00",
"content": "And it’s bound to have some tricks up its sleeve… It looks like it has a “deauth attack”, so probably some MITM stuff in there too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168681",
"author": "Spliff666",
"timestamp": "2010-08-14T23:28:51",
"content": "@M4CGYV3R + WORDIts not the point what else they could have chosen, they made it this way to quench their thirst for knowledge, and as a PROJECT, it means half (if not more) of the fun is in building/developing it.Good job Emeryth + co",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168706",
"author": "Shield",
"timestamp": "2010-08-15T00:57:53",
"content": "@Spliff666Ignore those two, they are idiots, WORD somehow thinks the unsupported Marvell chpset in the ipod touch and the iphone can work for this, there is no LOL big enough.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168727",
"author": "hammy",
"timestamp": "2010-08-15T03:06:09",
"content": "I’m a mech engineer, so not network protocol savvy as most of you – would the intention of this device to impersonate the SSID of a network then examine the packets of failed connects to determine the key? Or is this more about passive packet sniffing and analysis…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168735",
"author": "M4CGYV3R",
"timestamp": "2010-08-15T03:46:45",
"content": "@Shield:“show me a pda that can run Backtrack”http://www.asustablet.com/http://www.newegg.com/Product/Product.aspx?Item=N82E16834146704http://www.motorola.com/droid2And I never said anything about a PDA.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168767",
"author": "luftwaffe",
"timestamp": "2010-08-15T09:07:52",
"content": "“this thing” <<<<<< N900The only advantage this has over it is the stronger transmission power and range. You could easily hook up some poratable wifi amplifier on your N900 as well…Secondly that LCD is too small and you cannot enter wireless keys. On n900 you can bruteforce wpa networks/crack wep or inject packets in etc etc just like what you could do on a laptop.I would rather call this project for some kind of wifi radar and NOT pentesting equipment and from those there are plenty others…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168789",
"author": "Drone",
"timestamp": "2010-08-15T12:15:36",
"content": "“…a set of Ruby scripts takes care of the communication protocol.”Kind of like doing plastic surgery with knitting needles. Alas, the new generation…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168879",
"author": "qwerty",
"timestamp": "2010-08-15T17:16:48",
"content": "Interesting stuff, besides maybe the choice of Ruby which I think is way overkill for these minimal platforms. Plain C, shell or even Lua would have been more suitable and fast.Anyway I have somewhere one of those old Foneras (2100) I would like to reflash, but last time I checked the process was hugely time consuming and most pages about the reflashing process are outdated or link to non existant files. Does anyone know any working pages about easier ways to reflash it? Thanks!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168894",
"author": "Emeryth",
"timestamp": "2010-08-15T18:14:58",
"content": "None of us were familiar with Ruby before the project.We decided to use it because: writing in plain shell would be too complicated, C would be a pain in the ass to debug, Python is too big to fit on the flash memory of the Fonera, and Ruby is surprisingly small and fast.@qwertyThe easiest way to flash is by using a serial cable, but if you don’t want a hardware method, the OpenWrt wiki has info about reflashing from the original firmware, and the required files are still online.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169128",
"author": "Shield",
"timestamp": "2010-08-16T13:03:45",
"content": "@ M4CGYV3RYou must be joking. Seriously you are retarded. You are trying to compare $Texas 10.1in computers to a handheld device that cost the guy $20 and can fit in his pocket. Aslo why dont you show me Backtrack on a Droid? Show me that moniter mode and packet injection. Your wall posts read like a script kiddie.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169157",
"author": "ch1ll",
"timestamp": "2010-08-16T16:03:35",
"content": "@CynyrYou can simply install the Metasploit Framework on the iPhone – seehttp://www.youtube.com/watch?v=l1GEaqYw3ds. I don’t think it works with Metasploit Express, though (commercial version).",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.152008
|
||
https://hackaday.com/2010/08/14/rs232-and-rs485-networking-no-code-required/
|
RS232 And RS485 Networking – No Code Required
|
Mike Szczys
|
[
"Misc Hacks"
] |
[
"ethernet",
"lantronics",
"rs232",
"rs485",
"xport"
] |
Here’s
a serial to Ethernet module
that you won’t have to write firmware to build. It uses
a Lantronix XPORT module
which takes care of all the work for you, including an embedded webserver. Both RS232 and RS485 data buses are connected to the XPORT serial input via a level converter to step the signal down to 3.3V. This solution comes at a price because of the ethernet module, but it would make a nice prototyping tool for testing projects that work on the two serial protocols.
| 21
| 21
|
[
{
"comment_id": "168542",
"author": "strider_mt2k",
"timestamp": "2010-08-14T14:19:59",
"content": "Nice!It reminds me of some of the proprietary communications adapters I’ve seen used in the industrial process controls sphere, only without the proprietary. ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168544",
"author": "Roberto",
"timestamp": "2010-08-14T14:23:55",
"content": "I used one of these in my robotics creation in 2004, and the price hasn’t gone down a single cent. I guess they are ripe for a bit of healthy competition.They have a wireless equivalent: the Wiport, which can triple most of our hobby BOM costs.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168546",
"author": "localroger",
"timestamp": "2010-08-14T14:37:10",
"content": "Looks like the XPort alone is USD$50. Considering the limited functionality needed for most embedded ethernet devices (raw sockets, web pings anybody?) it might be a pain to deal with the ENC28J60 but at $40 less per unit I’ll keep doing it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168547",
"author": "norg",
"timestamp": "2010-08-14T14:42:36",
"content": "And what the hell would you use one of these for?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168550",
"author": "M4CGYV3R",
"timestamp": "2010-08-14T14:58:39",
"content": "I think anything that says “takes care of all the work for you” should probably not be featured on HAD.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168553",
"author": "Alex",
"timestamp": "2010-08-14T15:02:35",
"content": "In my day, we didn’t just reinvent the wheel for every project. We reinvented hubs and axles too, god dammit!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168560",
"author": "Steve",
"timestamp": "2010-08-14T15:40:09",
"content": "I wish they would have made it in an arduino shield form factor :-(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168572",
"author": "Paul Potter",
"timestamp": "2010-08-14T16:36:21",
"content": "Would this be suitable for using a serial terminal as a telnet terminal over ethernet?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168583",
"author": "cantdio",
"timestamp": "2010-08-14T17:12:40",
"content": "Arduino clone + ethernet shield = a shit ton cheaper than this",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168584",
"author": "Paul Potter",
"timestamp": "2010-08-14T17:18:39",
"content": "@cantdio Yes, but this goes straight to a standard serial port.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168644",
"author": "cantdio",
"timestamp": "2010-08-14T20:34:37",
"content": "@Paul PotterOk, arduino clone + ethernet shield + max232 board off ebay.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168646",
"author": "James",
"timestamp": "2010-08-14T20:49:57",
"content": "There are cheaper ways of doing the same thing the Xport does, but none as small or simple to connect to. I am not sure why they did not use the Xport which has 5V tolerant IO, or just use 232 and 485 drivers that are 3.3V compatible, it would have saved a lot of level translation. This type of device can be very useful on the work bench.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168660",
"author": "steaky",
"timestamp": "2010-08-14T21:35:35",
"content": "fairly sure DigiConnect does something similar to this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168719",
"author": "UF",
"timestamp": "2010-08-15T02:03:32",
"content": "Having spent the past few weeks working with XPorts for work here are some things to keep in mind about the lowest/cheapest module (I.e. These notes don’t apply to the XPort AR or XPort Pro):– It has 5V tolerant pins.– The built-in web server can only serve static data.– It’s extremely expensive compared to other ethernet modules but it is considerably smaller and fully self-contained.– It can only handle a single connection at a time on the single forwarded port. If you’re running a webserver on an AVR/PIC behind the XPort for example (For being able to serve dynamic data) there is no way for you to identify unique connections. This means if the user rapidly presses the refresh button in their browser or if they disconnect and someone else connects immediately they will get the wrong data from the device.Overall the XPort is only suited for simple projects that communicate over RS232/RS485 (Exactly what the XPort is advertised as). If you want to network-enable a serious embedded device consider the XPort Pro (Embedded Linux OS) for small runs or a dedicated ethernet controller IC/microcontroller for larger ones.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168720",
"author": "Franklyn",
"timestamp": "2010-08-15T02:07:02",
"content": "http://cgi.ebay.ca/ENC28J60-V2-0-SPI-Interface-Ethernet-Module-MCU-ARM-/190423978325?pt=LH_DefaultDomain_0#ht_1965wt_1137",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168772",
"author": "Messugga",
"timestamp": "2010-08-15T10:08:46",
"content": "Franklyn or anyone else really, serious question: Why would someone use something like that instead of something like this:http://www.wiznet.co.kr/Sub_Modules/en/product/Product_Detail.asp?cate1=6&cate2=13&cate3=0&pid=1092#tabIt’s the WIZ107SR. It’s only a few $ more and has the TCP/IP stack integrated. Seems like a much simpler and neater solution? The only gripe I have with it is the RS232 interface – would have preferred USART.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168784",
"author": "Ryan",
"timestamp": "2010-08-15T11:23:51",
"content": "Awesome. My work uses lantronix Xport modules for access control modules.Might just build one for the sake of it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168898",
"author": "hedehodo",
"timestamp": "2010-08-15T18:21:52",
"content": "“… that you won’t have to write firmware to build”“… takes care of all the work for you”i’ll take this as an insult. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169132",
"author": "LEDdoctor",
"timestamp": "2010-08-16T13:34:14",
"content": "@ Franklyn – I have used both the Lantronix and the Han Run products and, believe me when I say you WANT to stay with Lantronix. The Han Run modules are very unreliable. The Lantronix units are great as long as you make sure your power is steady enough that you don’t drop below 2.6V.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169166",
"author": "Joe",
"timestamp": "2010-08-16T17:11:51",
"content": "Little known fact:Many university vending machines / laundry networks run off RS485 over ethernet cabling. Oh the possibilities since Bl/\\ckBoard does not do a thing to ensure security!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "718474",
"author": "drat2000",
"timestamp": "2012-07-30T11:17:34",
"content": "this is great module.. Thanks for sharing..",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.400633
|
||
https://hackaday.com/2010/08/13/building-a-yagi-uda-antenna/
|
Building A Yagi-Uda Antenna
|
Mike Szczys
|
[
"Wireless Hacks"
] |
[
"antenna",
"arrow",
"conduit",
"international space station",
"iss",
"satellite",
"shaft",
"yagi",
"yagi-uda"
] |
[Tommy Gober]
built this Yagi-Uda antenna
that has some handy design features. The boom is a piece of conduit with holes drilled in the appropriate places. The elements are aluminum arrow shafts; a good choice because they’re straight, relatively inexpensive, and they have #8-32 screw threads in one end. He used some threaded rod to connect both sides of the reflector and director elements. The driven elements are mounted offset so that a different machine screw for each can be connected to the appropriate conductor of the coaxial cable. The
standing wave ratio
comes in right where it should meaning he’ll have no trouble picking up those passing satellites as well as the International Space Station.
| 35
| 34
|
[
{
"comment_id": "168310",
"author": "washer",
"timestamp": "2010-08-13T20:29:12",
"content": "awesome. wouldn’t mind seeing more AARL stuff on HAD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168311",
"author": ":)",
"timestamp": "2010-08-13T20:35:38",
"content": "neat, but what is the point?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168322",
"author": "Waffle",
"timestamp": "2010-08-13T21:12:32",
"content": "Wait… Aluminum is diamagnetic (pretty much impermeable to magnetic fields), right? Therefore the aluminum arrows would do absolutely nothing?Or am I just on crack/way out of line?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168325",
"author": "js",
"timestamp": "2010-08-13T21:21:56",
"content": "@Waffleyou are on crack and way out of line",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168342",
"author": "mage",
"timestamp": "2010-08-13T22:17:03",
"content": "Still conducts electricity :) Antennas are made out of aluminum for the strength and light weight.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168347",
"author": "JohnSmith",
"timestamp": "2010-08-13T23:05:54",
"content": "Pretty sure you’re out of line. Most antennas use the electro part of electromagnetic waves, so aluminum should be fine. Also, it’s not that aluminum is impermeable to magnetic fields, it’s that magnetic fields don’t interact with the metal much.It’s an important distinction – if it was impermeable, you could use it to shield electronics from magnetic fields.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168349",
"author": "someham",
"timestamp": "2010-08-13T23:12:37",
"content": "@washerI think it’s a bit narrow to saw that this is “AARL stuff”. Most amateur operators I know today aren’t members, and have a bad taste regarding the AARL… Though I do agree, getting more people involved in amateur radio would be awesome.That being said, the arrow shaft idea has been used for quite a while. In fact, Arrow Antennas (the guys I believe came up with the idea) sell many different versions of these for a very reasonable price. At first I was going to build one, but the parts cost almost as much as the antennas they sell, and their antennas are regarded as very good build quality.Check out this dual-band (2m/70cm) yagi-uda for working satellites –http://www.arrowantennas.com/arrowii/146-437.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168351",
"author": "Yetimandias",
"timestamp": "2010-08-13T23:26:28",
"content": "“Wait… Aluminum is diamagnetic (pretty much impermeable to magnetic fields), right? Therefore the aluminum arrows would do absolutely nothing?Or am I just on crack/way out of line?”No, you’re just mixed up a little. Antennas do not need to be made of magnetic materials. All it takes to induce a voltage is for a conductor to be acted upon by a magnetic field. Think of it this way: Transformers are commonly wound with aluminum or copper, both non-magnetic materials. Both antennas and transformers are just devices designed to pick up induced voltage; a transformer is just MUCH more closely coupled. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168353",
"author": "ladz",
"timestamp": "2010-08-13T23:31:29",
"content": "Waffle you’re thinking correctly, it’s permeability (ability to form magnetic field in response to magnetic field). Aluminum is about the same as open air. But for a radio antenna this property doesn’t matter, conductivity is what you’re after. He needs to get some gold arrows!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168356",
"author": "reid richards",
"timestamp": "2010-08-13T23:47:36",
"content": "is this for the iphone?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168376",
"author": "Link",
"timestamp": "2010-08-14T00:59:25",
"content": "@ladzI shouldn’t have wasted all my gold arrows on ganon",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168386",
"author": "Daniel",
"timestamp": "2010-08-14T02:24:06",
"content": "The ARRL used to serve a very important role in the world of ham radio. But now, like many things from years past, it has been replaced by the internet.Arrow Antennas have been around for ages, as someham mentioned. The dual band antennas are great because they make it easy to work dual band satellites, and a simple twist of the wrist corrects for (always changing for some sats) polarization.This type of antenna is great for fox hunts, although some prefer a tape measure antenna (you don’t break it when you hit it on a tree or car door frame).SWR is important, but it isn’t so much a measure of an antenna’s performance as it is it’s electrical match to the radio.SWR basically measures the amount of power reflected back to the radio from the antenna due to an electrical mismatch. It depends, mostly, on the capacitance and resistance of the antenna (which is in turn based on the frequency of the signal).Its black magic to me, but smith charts (wasn’t there a post about them awhile back?) can be used to describe the radiation pattern of a given antenna.You can actually calculate the angle the RF leaves the antenna.An example: a 2m J-Pole antenna can be tuned to the 70cm band (in other words it can have an SWR approaching 1:1), but the angle of attack (radiation pattern) of such an antenna is so bad that it makes the antenna almost useless at those frequencies.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168505",
"author": "Tom Busch",
"timestamp": "2010-08-14T08:55:47",
"content": "Aluminum arrow shafts like this one and the ones from Arrow antenna are great. They are made from 7076 aluminum, which works a little like glass – you nick it with a file and snap it off. It is also stiff, as opposed to 6065 hobby tubing, which is just bends every which way.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168506",
"author": "Pedro Alvarez",
"timestamp": "2010-08-14T08:59:53",
"content": "does it work with the iPhone 4?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168511",
"author": "norg",
"timestamp": "2010-08-14T09:27:58",
"content": "Who cares about analog signal anymore, digital is the future. Unless you building cool wireless antennas don’t post crap like this.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "168551",
"author": "pender",
"timestamp": "2010-08-14T15:01:16",
"content": "Actually, you can use this for “digital signals”, which is actually analog radio waves modulated with digital bits of information.People are using D-STAR into AO-27 to relay their “digital signals”. The ISS also serves as an APRS repeater which is a “digital signal”.",
"parent_id": "168511",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "168512",
"author": "stunmonkey",
"timestamp": "2010-08-14T09:42:55",
"content": "Using the arrow shafts was a brilliant hack. That totally rocks. They are cheap, light, tough, highly conductive, easily sourced, and already internally threaded.Nice find.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168514",
"author": "strider_mt2k",
"timestamp": "2010-08-14T09:49:25",
"content": "BEAUTIFUL WORK!Yes materials choices were really well made.Love antennas and radio hacks!The stuff is cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168554",
"author": "Mr.Non-Descript",
"timestamp": "2010-08-14T15:05:33",
"content": "@norgLast I checked, you can push digital signals wirelessly… including satellites as mentioned in the article. Besides, Yagis (coupled with very simple circuits) can be useful in locating RFI sources.Bring more of ANY hack – the wider the focus, the better chances of learning more and mixing-and-matching dissimilar fields into something new.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168555",
"author": "M4CGYV3R",
"timestamp": "2010-08-14T15:06:22",
"content": "Sometimes I wonder if antenna acronyms actually mean anything, or if radio enthusiasts just really like to make you go “What?” whenever they come up with an antenna name.“YAGI Dipole Bi-Wave DTPR SSB Inverse Polarity PDR Conductive Polymer QPD Antenna”But nice work with using arrows. Aluminum is actually one of the more conductive metals so you should get less signal loss than using a different metal, and the arrows are cheap as heck.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168567",
"author": "Dick",
"timestamp": "2010-08-14T16:16:41",
"content": "@M4CGYV3RYagi-Uda isn’t an acronym, they (Yagi and Uda) were two Japanese dudes who invented this particular type of antenna.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168578",
"author": "KC2PHO",
"timestamp": "2010-08-14T17:01:22",
"content": "@norg is probably a troll who thinks you need a ‘Digital T.V. Antenna’ to receive digital broadcast television channels. If you don’t like this kind of stuff don’t read it, maybe this site is more your speedhttp://www.hamsexy.com/All harshness aside, I challenge you to study and pass your technician exam and get into amateur radio. Aside from communicating locally and around the world on lots of different bands (frequency ranges), in different modes, all on one radio (or more), there is much more than you could ever imagine to be learned in this hobby. BTW “cool wireless antennas” umm, all antennas either transmit or receive a wireless signal.In fact, operating in a digital mode on a ham radio is fun, and very popular.http://kb9ukd.com/digital/_____________I like this article. I am planning on building a yagi for 2m and this looks to be the way I might go.Happy trolling my friend,KC2PHO",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168679",
"author": "blah",
"timestamp": "2010-08-14T23:15:06",
"content": "is norg on her period? why the nagativity",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168714",
"author": "grendelt",
"timestamp": "2010-08-15T01:21:32",
"content": "Thanks for all the compliments!I recently completed a “backpack yagi”, linked from the article – VERY cool. I want to add 70cm coverage to it.I’m currently working on adding 70cm coverage to the arrow yagi antenna as well as a homebrew diplexer. Stay tuned for that – Check my site over the next week or so.————————————————–For what it’s worth, I’m eyeballing the diplexer design from WA5VJB’s “Cheap Yagi” page:http://www.wa5vjb.com/references/Cheap%20Antennas-LEOs.pdfAlso looking into a diplexer from KI0AG from K0LEE’s blog:http://k0lee.com/duplexer.htm(bought some boards from FAR Circuits)————————————————–73N5DUX",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168724",
"author": "db",
"timestamp": "2010-08-15T02:47:18",
"content": "hook this up to your Wi-Fi data access point and give airplanes free Wi-Fi. from what i understand this type of antenna can double or triple the signal output… but im just pulling this out of thin air but it has some relevance think of your “CAN-tenna” there is math an equations im not built to remember or produce but it has something to do with dB/I and watts…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168778",
"author": "strider_mt2k",
"timestamp": "2010-08-15T10:26:06",
"content": "Because nowadays being a douche is replacing civil and constructive commentary on HAD.It makes me sad.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168779",
"author": "strider_mt2k",
"timestamp": "2010-08-15T10:27:00",
"content": "That said, I applaud any and all attempts at civil discourse and re-iterate that THIS STUFF IS SO COOL!!!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168782",
"author": "lejupp",
"timestamp": "2010-08-15T10:45:33",
"content": "@someham:> Check out this dual-band (2m/70cm)> yagi-uda for working satellitesAre there any mode B (70cm up/2m downlink) amateur satellites in operation today? I remember many wonderful QSOs via Amsat Oscar 13 back in the 90s, but I guess those days are gone forever.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168802",
"author": "therian",
"timestamp": "2010-08-15T12:51:34",
"content": "@norgthere is no such thing as digital signal, what you might call “digital” is analog signal modulated in specific way.P.S. in times of disasters digital communication proof to be unreliable and it is analog one which save lives",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168859",
"author": "Aussietech",
"timestamp": "2010-08-15T15:38:26",
"content": "@Daniel confuses a Smith Chart, which is a plot of impedance against frequency (from which you can derive VSWR), with a Polar Plot which shows the directivity of an antenna. Look similar, but very different.Element conductivity is not nearly as important as the BALUN method used to transform the coax feed to/from the Driven Elements.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168935",
"author": "Derek X",
"timestamp": "2010-08-15T20:51:50",
"content": "Yagi’s are great gain antennas for the home builder, I built a 2 meter, 5 element beam out of old TV antennas that I harvested for parts, and the SWR only goes from 1.2 to 1.4 across the band, not too shabby for free. I’m in a remote area, so now I’m gathering old TV antennas for the parts to build a 22 element 2 meter beam for our weekly simplex net (repeaters … who needs em).73 –",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169155",
"author": "mungewell",
"timestamp": "2010-08-16T15:59:50",
"content": "I made a some yagis a few months ago, but being cheap I wanted the lowest cost – PVC pipe for beam and ‘hanger wire’ (the stuff used for hanging suspended ceilings @ $0.60 for a 4 foot length).Driven element was a folded dipole (apparently) sized to give 50ohm impedance, worked well enough to hear some amatuer satellites.Making a jig to drill holes in PVC ensured that they were all on the same plain.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "174606",
"author": "Vishal",
"timestamp": "2010-08-29T01:58:31",
"content": "Nice…i love radio hacks!!…Keep it up",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "215404",
"author": "Reemus",
"timestamp": "2010-11-20T12:34:55",
"content": "Hi!need help in building a yagi uda Ant for a given assignment.Complete noob at this!!!Can someone guide here in building a 750Mhz operating Ant. with Beamwidth of around 90-120 degrees where elements are horizontally polarized.Many thanks!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "314022",
"author": "jos",
"timestamp": "2011-01-25T14:13:00",
"content": "Thanks for all the compliments for tis site.Pse visit my Web site, (300 links antenna)73http://f8bdx.free.fr",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.537367
|
||
https://hackaday.com/2010/08/13/a-collection-of-quick-line-followers/
|
A Collection Of Quick Line-followers
|
Mike Szczys
|
[
"Robots Hacks"
] |
[
"atmega328",
"baby orangutan",
"line follower",
"optical",
"pololu"
] |
Here’s
a nice collection of line-following robots
(
translated
). They’re fast and they stay on track even through sharp turns. They center around a Baby Orangutan board which features an ATmega328 microcontroller and two motor driver channels. These drive the geared motors and use optical sensors to track a dark line on a light surface. There’s
plenty of build and testing information
(
translated
) if you’re interested in the gory details. Or just jump past the break to see the red on doing its thing.
[youtube=http://www.youtube.com/watch?v=0b8c88wcK8M]
[Thanks Jim]
http://translate.google.com/translate?js=y&prev=_t&hl=en&ie=UTF-8&layout=1&eotf=1&u=http://jmnlab.com/robotzero/robotzerov.html&sl=auto&tl=en
| 18
| 18
|
[
{
"comment_id": "168289",
"author": "LazyMegaMan",
"timestamp": "2010-08-13T18:43:46",
"content": "So… People have been trying to get cars to drive themselves for years. But they’ve been basing this on a large array of expensive cameras, real-time 3D laser scanning, and other environmental tracking devices in order to accomplish this. I realize that this kind of tracking is relevant on terrain that isn’t as predictable as a regular paved road, but why is it that I’ve never heard of anyone building a large version of these line-followers? Throw a green stripe down in the center of a lane on the highway, put a camera on the bottom, and a small light to light up the underside of the car for added camera visibility. Sure, it may not help in confusing areas such as neighborhood streets, but on a simple loop highway there’s no reason why this wouldn’t assist with keeping people from slamming into each other.For added control, throw a range-finder on the front of the car and have it measure the distance from the car in front of it, and modify the speed accordingly. There you have it, a car that stays in the lines and slows down/speeds up according to the cars in front of it. All that’s left is to figure out how to allow changing lanes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168290",
"author": "Justin Lee",
"timestamp": "2010-08-13T18:47:24",
"content": "“you’re” interested, maybe? ^^",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168293",
"author": "Mysterio",
"timestamp": "2010-08-13T19:05:21",
"content": "One nice snow and no more visible lines on the road…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168295",
"author": "Mysterio",
"timestamp": "2010-08-13T19:13:21",
"content": "…besides, until EVERYONE has a self-driving car, you have to assume that NOBODY has one but you. Any such system would need to be insanely robust before the govt would even consider to allow it, public safety is pretty dang important. And we got a lotta miles of highway that would need green stripes painted down the middle of them… stripes that would wear down like all the other painted lines on the roadways, or be broken up by potholes of random size, or dead skunks… notice how nice and wobbly the front end is on those line followers, you’d need a much tighter control system if you want a smooth ride to work in the morning… Yeah what works for a toy is not necessarily gonna work for mass transit.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168301",
"author": "bbot",
"timestamp": "2010-08-13T19:41:01",
"content": "I have unsubscribed from Hackaday. The posting volume just got too high for me.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168305",
"author": "yimmy",
"timestamp": "2010-08-13T19:54:48",
"content": "@bbot thanks for sharing but no one cares what you do",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168306",
"author": "Drake",
"timestamp": "2010-08-13T19:57:35",
"content": "@LazyMegaManThe biggest setback of automated highways is if there is an incident who is to blame. States and national government doesn’t want to be at the end of the law suit stick if there is an accident.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168308",
"author": "zerth",
"timestamp": "2010-08-13T20:15:55",
"content": "@LazyMegaManIt sounds like you live in an area that doesn’t get snow and the local Dept of Transportation repaints the roads before the paint wears away.Perhaps a metallic strip embedded in the road. Not carrying signal, as it would be broken after the first winter, but just to be detected.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168314",
"author": "Andy",
"timestamp": "2010-08-13T20:55:21",
"content": "@LazyMegaMan: A system like this is used routinely in warehouses utilizing “very narrow aisles”, only it uses a buried wire and RF. A forklift can zoom down the aisle with only mere inches on either side. RF prevails over optical in this arena because of its imperviousness to dirt (which you never run out of in a warehouse.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168336",
"author": "Chris",
"timestamp": "2010-08-13T22:03:45",
"content": "@yimmy: Thank you.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168339",
"author": "gaiamantic",
"timestamp": "2010-08-13T22:15:08",
"content": "or make a car that drives on metal tracks, like those pickups that service the rail road. have an automatic depot system like a carwash that sets you up on the track. this system could be retro fitted to cars.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168343",
"author": "Jordan",
"timestamp": "2010-08-13T22:24:46",
"content": "@HackADay: typo in the last line. It says “to see the red on[sic] doing its thing.”@LazyMegaManEven if a foolproof method for laying down a followable path for self-driven cars existed, it would be insane to think about adding it to major roads, as well as hoping car manufacturers create standardized ‘followers’.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168358",
"author": "Amos",
"timestamp": "2010-08-13T23:55:49",
"content": "It’s already been done… for at least ten of the last thirteen years.http://www.path.berkeley.edu/PATH/Research/magnets/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168359",
"author": "nebulous",
"timestamp": "2010-08-13T23:59:14",
"content": "Line detection is used in cars. I know my old new Citroen C4 had the option of Lane Departure Warning System (sadly not in my model), which buzzes the driver’s seat if the car traverses a road marking (like a lane on a highway) without a turn signal.But yeah, to use that to control the vehicle, no thank you.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168360",
"author": "Notori0usAlpha",
"timestamp": "2010-08-14T00:07:54",
"content": "Great writeup! we did this in college a few years back and didnt even come close to those times!As far as the off topic posts…. ill contribute to the deviation. :)You’re right about one thing. The gov’t will not approve this because they will be the authority in charge of it and already hate the amount of liability the have.I have driven coast to coast dozens of times, and no two states have the same road system, funding, or even architecture. THUS the need for all the expensive cameras and and sensors seems necessary. Lets not try and change the road, lets only change the car.Keep posting guys! who cares about sheer volume!?! thats what we want!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168362",
"author": "KnMn",
"timestamp": "2010-08-14T00:17:04",
"content": "@PeopleWhoRepliedToLazyMegaManAm I the only person who thought about going out with a bucket of green paint and painting my own lines all over the road to see what would happen?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168367",
"author": "SirPoonga",
"timestamp": "2010-08-14T00:41:04",
"content": "@ LazyMegaManCars couldn’t rely solely on as line. What if the road gets dirty? Or some snow falls? There are many reasons it wouldn;t work for transportation in public.Now, on a closed system, like say a tour of a factory, sure. Look at Wall-E – robots do follow lines in factories now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168595",
"author": "NotMe",
"timestamp": "2010-08-14T18:13:50",
"content": "Here done in 2003.http://elm-chan.org/works/ltc/report.htmlNo special Hardware, just an ATmega8.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.594799
|
||
https://hackaday.com/2010/08/13/making-the-blubdial-clock-touch-sensitive/
|
Making The Bulbdial Clock Touch Sensitive
|
Mike Szczys
|
[
"clock hacks"
] |
[
"bulbdial",
"mute",
"resistive",
"touch sensitive",
"transistor"
] |
We never thought about it before, but having the controls on the bottom of a clock is a bit of an inconvenience. [Alex Whittemore] mutes the LEDs on his clock each night and after a while, decided he should
make the mute button into a touch strip
on the case. You’ll remember that
the Bulbdial clock
uses colored LEDs to create the effect of a sun-dial, casting colored shadows for each hand of the clock. It makes sense that this would put off a pretty good amount of light at night. [Alex’s] original thought was to use a capacitive touch sensor but complexity and cost were in his way. What he ended up with is a resistive touch switch based off of two metal strips. He used metal repair tape but suggests copper foil as he was unable to solder to tape. When your finger touches the two strips it completes the circuit for the base of a transistor, which in turn grounds the mute button on the clock. Cheap, simple, and illustrated in the video after the break.
[vimeo=http://vimeo.com/14102230]
| 14
| 13
|
[
{
"comment_id": "168259",
"author": "Anon",
"timestamp": "2010-08-13T16:42:10",
"content": "The title says “Blubdial” instead “Bulbdial”.Alternatives are Lumie as a sunlight alarm clock",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "168286",
"author": "Mike Szczys",
"timestamp": "2010-08-13T18:18:58",
"content": "@Anon: thanks, fixed.",
"parent_id": "168259",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "168283",
"author": "e91",
"timestamp": "2010-08-13T18:00:58",
"content": "I was hoping touch sensitive meant he could adjust the time by moving the hands via circular touch strip, just like a real clock.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168294",
"author": "Andrew",
"timestamp": "2010-08-13T19:13:08",
"content": "You can make a capacitive touch sensor with nothing more than a high-value resistor and a spare GPIO pin on your micro. See page 11:http://focus.ti.com/lit/an/slaa363a/slaa363a.pdf",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168300",
"author": "muzzi",
"timestamp": "2010-08-13T19:38:01",
"content": "That’s a nice breadboard setup. Does that fold up into a type of folder? Did you make it or buy? Looks like it keeps things nice and neat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168302",
"author": "alexwhittemore",
"timestamp": "2010-08-13T19:48:50",
"content": "e91: holycrapholycrap best idea EVER. I’d have to etch a board to get the high number of contacts required without losing my mind, but hey, maybe it’s an excuse to do some toner transfer. It’d require another micro and serial to talk to the arduino, which I wanted to avoid, but for that it might be worth the hassle.Andrew: rtfa. Yes, I know you can. I even mentioned it as my initial before-anything thought. Problems are 1. it’s a pain in the butt to get RIGHT, and at the level of abstraction that Arduino provides for coding, it’d be (really hard) to get the timing, and 2. I had no spare gpio. That’s the biggest issue of this whole problem. I could add another micro, and use one of it’s GPIO to manage the button’s pin, but then that’d be a whole extra unnecessary level of complexity, and it’d OBLITERATE my low part count and almost nonexistent cost.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168324",
"author": "Rachel",
"timestamp": "2010-08-13T21:18:22",
"content": "I’m more interested in the neat protoboard setup. It looks like solid pins are soldered to the jumper wires, so they no longer deform uselessly after a single insertion. I might have to make some of these…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168329",
"author": "alexwhittemore",
"timestamp": "2010-08-13T21:28:21",
"content": "Rachel: assuming you mean the jumper wires themselves, no need.Cheap:http://www.seeedstudio.com/depot/breadborad-jumper-wire-70pcs-pack-p-234.html?cPath=104_105Good:http://www.sparkfun.com/commerce/product_info.php?products_id=9194I have the cheap ones, they’re good enough. I also have the f/f sparkfun jumpers, though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168348",
"author": "Rachel",
"timestamp": "2010-08-13T23:12:15",
"content": "@alexwhittemoreI once attended a seminar on using freescale touch sensors, so I have a fairly good idea of how to design this. If you’re using a freescale part, it’s the only extra component you need, and it interfaces over a bus.There’s no need for 60 IO. All you need is 3-4 circuits, alternately connecting each of the radial traces. The setup works kind of like a quadrature encoder, with 1-2 extra inputs for better accuracy.You don’t even need 60 traces. You only need 8-10. The touch controller chip uses analogue interpolation to give a smooth 360 degree location. This is exactly how apple’s touch wheel works.To make things even easier, there’s no need for a separate board. You can print the traces directly underneath the other components without having to worry about interference.Freescale has a very nice sample policy, too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168350",
"author": "J. Peterson",
"timestamp": "2010-08-13T23:23:08",
"content": "Um, why not skip the control completely and just put a cheap photocell in so the display dims automatically with the amount of ambient light?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168382",
"author": "alexwhittemore",
"timestamp": "2010-08-14T01:30:44",
"content": "Rachel: are you suggesting that for the sake of implementing the idea e91 had? Certainly sounds like a nice solution. Do you know if the freescale parts were resistive or capacitive?Also, I’m not sure what you mean “analog interpolation” but I can imagine that if you lay out 8 circular traces, concentric around the perimeter of the face and with selective solder masking, you could resolve 256 individual finger locations, which yes, is more than enough to uniquely identify 60 minutes.Peterson: You could do that. But keep in mind, I have NO pins left on the arduino. I have the digital pin that the switch uses, and that’s it. I could use an op amp and a comparator to get a useful 0/1 out of the photocell, thresholded at some desirable light level, but then that doesn’t ACTUALLY solve my problem, does it? I don’t want the thing to be dim at night. At its dimmest, it’s still too bright to fall asleep with. But if it turns off at night, then it becomes useless when i’m in the room but still not going to sleep. The only reasonable solution to the problem is me manually controlling display on/off, and I feel I’ve implemented the easiest AND cheapest method to do so.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168388",
"author": "Rachel",
"timestamp": "2010-08-14T02:36:26",
"content": "Yes, it’s for e91’s idea. It’s difficult to explain what I mean, but I’ll try again. Imagine two pads next to each other, each connected to a separate input. Since each input gives you an analogue value of the proximity of your finger, combining the two values will give you a linear value of where your finger is along the two pads.I think this is the right part:http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MPR083&nodeId=01126982689B24I guess it uses 8 pads instead of four, but the idea is the same. It’s I2C, so it uses the same bus as your chronodot. It’s only about $1.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168540",
"author": "alexwhittemore",
"timestamp": "2010-08-14T13:54:07",
"content": "I see what you’re saying now: it’s capacitive, and can resolve some range of capacitances for the finger being from the center of one pad to the center of the next. Sounds like a good plan, I could even just add an i2c bus header between the chronodot and the board to make things nice and modular.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168610",
"author": "alexwhittemore",
"timestamp": "2010-08-14T19:03:25",
"content": "For anyone interested in the breadboard, here it is:http://www.alexwhittemore.com/?p=462",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.699379
|
||
https://hackaday.com/2010/08/13/porting-code-to-msp430/
|
Porting Code To MSP430
|
Mike Szczys
|
[
"Microcontrollers"
] |
[
"AVR",
"eeprom",
"flash",
"info flash",
"msp430",
"port",
"ported"
] |
I took a little time to look into
porting code written for AVR
in order to run it on the MSP430 architecture. It’s easier than you think, being mostly small differences like an extra step to enable pull-up resistors. But there is a lot to be learned in order to transition away from using EEPROM.
Since the TI chips don’t have EEPROM you need to use the Info Flash, a topic which I detail in the article linked at the top. This flash memory must be erased before writing because a write operation can only change high bits to low, not the other way around. And an erase operation clears an entire 64 kB segment, not just the bytes you want to write to. It’s different but manageable.
Oh, and if you were wondering, I ported the code I wrote for the
garage door coded entry project
.
| 18
| 18
|
[
{
"comment_id": "168232",
"author": "Franklyn",
"timestamp": "2010-08-13T15:15:28",
"content": "Does anyone know a good distributor to pickup this board from ?. They seem to be sold out everywhere except the TI estore where the shipping is $15.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168238",
"author": "gatesphere",
"timestamp": "2010-08-13T15:26:59",
"content": "Actually, the TI Estore is on backorder, it’s just not showing it. I ordered two orders of two each back in late June and they still haven’t shipped.TI didn’t produce enough boards for the initial demand, and are now stuck on backorders for a long while. Try ebay?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168241",
"author": "Beretta",
"timestamp": "2010-08-13T15:38:12",
"content": "I think the eStore is also backordered, but checking it looks like you can get 2 day FedEx shipping there for $7.92… not the free shipping we got when the LaunchPad was introduced, but better than $15. Of course, that’s to a US address…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168247",
"author": "Roberto",
"timestamp": "2010-08-13T16:22:04",
"content": "This means that we will be running the Arduino system on MSP430s very soon :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168307",
"author": "borisk",
"timestamp": "2010-08-13T19:59:23",
"content": "I order mine in eStore 1st july, and it is still backordered. I have been talking with nice lady at customer service and she told me, that they inspecting then iz second half of august, but I doubt.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168332",
"author": "NatureTM",
"timestamp": "2010-08-13T21:42:20",
"content": "I was thinking about porting my HDD clock from AVR/Arduino to MSP430 because I felt it could be a good way to compare the performances of the two platforms. My first step was to try to get the MSP430 running at 16MHz with the included crystal. There’s a lot of flexibility in the clocks, and I found it a bit overwhelming, especially since there isn’t much about it in the example code. This would be a big step in unlocking the chip’s potential.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168344",
"author": "Beretta",
"timestamp": "2010-08-13T22:31:36",
"content": "One of the real advantages Arduino has right now is established help; there are a number of us trying to build the MSP430 community, and we’ll eventually get to the point where we have much better documentation about all that overwhelming flexibility.@NatureTM: I’ve started looking a little at the clock system and have written up a couple of posts on my blog; if you have anything else you’ve learned let me know! There’s a lot more to cover on that topic yet.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168385",
"author": "Jak_o_Shadows",
"timestamp": "2010-08-14T02:06:33",
"content": "Still haven’t got mine, but the last couple of posts will be useful when i finally get it. (Using linux)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168522",
"author": "Donov4n",
"timestamp": "2010-08-14T10:40:14",
"content": "Dude, if it’s such a mess to switch from a controller with EEPROM to one without than DONT DO IT!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168539",
"author": "Zelka",
"timestamp": "2010-08-14T13:32:51",
"content": "Man, I have been excited about this for a while. I really want one!I have never had anything like (microcontroller) this but have always read HAD and always had a passion for this kind of thing.As soon as I get one of these I am going to RIP INTO IT!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169388",
"author": "lkdfj",
"timestamp": "2010-08-17T03:30:09",
"content": "SOoooo what’s all this buzz about MSP430?Last time i checked TI mcu architect was no where as good as Atmel’s avr (barely better than old 16f pic) … and not even cheaper!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172406",
"author": "Hans",
"timestamp": "2010-08-23T09:45:43",
"content": "@Zelkano need to get so pumped up. I ordered three LaunchPads two month ago. Still didn’t get anything.LaunchPads are pretty unattractive if you can’t make Texas Instruments to ship to you. And now, with $15 for international shipping, they are even unattractive if you can make Texas Instruments to ship to you. There is really no point in trying to get these low-end MSP430G2xxx microcontrollers.If you want to start with microcontrollers, buy something that is available right now, from a company not playing stupid tricks.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172446",
"author": "Beretta",
"timestamp": "2010-08-23T13:27:38",
"content": "@HansNo need to give up, either. Some of us have gotten our LaunchPads, and are quite pleased with the benefits TI offers in their uCs. Give them some credit; if you plan for a release of 5,000 and get an overwhelming response of 50,000 orders– well, that’s a problem no company is really prepared to deal with. TI is not playing any stupid tricks, they just weren’t expecting so much demand for this product.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172746",
"author": "Hans",
"timestamp": "2010-08-24T12:31:37",
"content": "@BerettaOn some TI discussion site users figured TI was not processing backorders. That, and TI absolutely not talking to people and not answering questions about backorders.So let me repeat, if you want to start now, buy something that is available now, from a company willing to interact with you, via a retailer not charging three times the value of the goods for international shipping.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "172978",
"author": "kc",
"timestamp": "2010-08-24T22:13:05",
"content": "Every time I called their support line with my order number, I reached a person telling me “1 to 2 more weeks back ordered.” They even responded to my email inquiries, a day or two afterwards. Either way, they interacted quite well with this consumer.I finally received my order on Monday, so it looks like they are finally getting more product in.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "173246",
"author": "Hans",
"timestamp": "2010-08-25T15:45:24",
"content": "Let me guess, you live in the US, so TI talks to you?Some people now, after two month, receiving LaunchPads doesn’t in any way mean that you will get one now if you order now. Unless of course, you know the secret handshake and can jump the queue.So for a third time, if you want to start now, buy something you can get now. And $15 for international shipping is another reason to look elsewhere.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "179305",
"author": "Radiowave911",
"timestamp": "2010-09-09T14:02:09",
"content": "I ordered two of these last week from DigiKey, got them yesterday. Time to play!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "209198",
"author": "Anon",
"timestamp": "2010-11-08T00:15:21",
"content": "Ah, that would explain why I still have not received mine. It’s still listed as ‘Processing’ on my order status.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.64919
|
||
https://hackaday.com/2010/08/13/eyemario-play-mario-with-your-eye-movements/
|
EyeMario, Play Mario With Your Eye Movements
|
Caleb Kraft
|
[
"Medical Hacks",
"Nintendo Hacks",
"Wearable Hacks"
] |
[
"eye tracking",
"mario"
] |
[youtube=http://www.youtube.com/watch?v=4j2kw5MJK24]
The folks at Waterloo Labs have delivered a quite amusing project where they built a system to
control Mario with eye movements
. Unlike the other eye movement systems we’ve seen that use
imaging to detect where you are looking
, this one is using electrodes on muscles in your face. Not only do they supply a fairly amusing video, they also have a pretty good amount of detail on the project site. Be sure to click on the links in the “additional resources” section at the bottom if you want hardware and software details on the build. The last time we saw these folks, they were
using real guns to control video games
.
[via
Procrastineering
]
| 16
| 16
|
[
{
"comment_id": "168222",
"author": "chango",
"timestamp": "2010-08-13T14:46:09",
"content": "Am I the only one who notices that the whole Waterloo Labs thing is some sort of NI marketing stunt?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168235",
"author": "mowcius",
"timestamp": "2010-08-13T15:18:01",
"content": "Does it matter? It’s a cool project. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168239",
"author": "kmatzen",
"timestamp": "2010-08-13T15:30:52",
"content": "@changoNo, you’re not. It says it on NI’s website.They do these sorts of things to raise awareness of their products with students. Researchers and companies aren’t the ones who are going to be playing Mario with their eyes (there are more serious marketing campaigns targeted towards them) and most hobbyists can’t afford NI products or can make their own, more affordable, but lower quality versions. It’s the students who have access to labs on campus that can push for these products to be purchased by their university.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168243",
"author": "supershwa",
"timestamp": "2010-08-13T16:10:54",
"content": "Not anything new. I can do this with my OCZ NIA controller, too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168244",
"author": "japkin",
"timestamp": "2010-08-13T16:12:34",
"content": "As if just watching TV wasn’t bad enough for your eyes!Cool project, though. I look forward to the time when it could take very slight movements into account so you aren’t looking away from the screen at any point.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168250",
"author": "doggiestew",
"timestamp": "2010-08-13T16:34:39",
"content": "@japkin true, but why not just invert the axis so that you could just move your head while keeping your eyes on the screen?Cool concept though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168315",
"author": "ChalkBored",
"timestamp": "2010-08-13T20:55:39",
"content": "They forgot to make it shock you when Mario dies.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168364",
"author": "octel",
"timestamp": "2010-08-14T00:30:23",
"content": "He loads SMB2 but then plays the first Super Mario Bros. WTF?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168365",
"author": "kmatzen",
"timestamp": "2010-08-14T00:33:57",
"content": "The other thing I found weird is that when I went to NI Week 2008, Xilinx had a demo set up where they implemented some early Mario game on one of NI’s FPGA-based boards. I wonder why they wouldn’t want to show that off in this video as well. Maybe Xilinx wouldn’t let them use the demo.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168377",
"author": "D",
"timestamp": "2010-08-14T01:02:30",
"content": "If the Eye controller was very good at tracking and making it move better you could use this to change your display around an environment in an FPS(just not as technical as using it for controls but easier on the eyes I would imagine). I like the fact that it’s easy to monitor our body like this.We are steps closer to the ultimate video game system lol.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168387",
"author": "Navy2x",
"timestamp": "2010-08-14T02:26:29",
"content": "That chick is waaaaaay too excited. Take a chill pill woman!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168519",
"author": "Kostas Plataniotis",
"timestamp": "2010-08-14T10:35:22",
"content": "this way you have to stand your head still and move your eyes (out of the screen) .. so it’s not practical…maybe if you put the censors on opposite sides (leftright & updown) the controlling will be easier by moving the head and looking on the screen all the time.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168530",
"author": "Totti",
"timestamp": "2010-08-14T11:22:44",
"content": "1. I’m the only one who thinks it is a bit strange to use eye movements to control something which requires to focus your eyes (to the TV)Guess a BCI would be better in that case2. Guess the NI hardware with FPGA is placed there for advertisement only since the would measurement task could be performed with much less effort. As soon as the signal got shaped by the self made board I would bet a Arduinno would be sufficient to send the values to the PC. Everything else could be performed in software at the PC.However I have to admit that nice video is really nice. I had a good laugh at the end about the “kids don’t try that at home and don’t toast yourself “. Fits nicely to the design of the homemade board with two 9V blocks to power the OPamps.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168561",
"author": "Wraith",
"timestamp": "2010-08-14T15:43:49",
"content": "would it not be more efficient to invert all the axes and make it so it would be run by slight head movements whilst keeping the eyes on the screen? looking away from the screen is a lot to ask for when playing a video game.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168781",
"author": "mardikas",
"timestamp": "2010-08-15T10:44:52",
"content": "Reversing the axis would be more user friendly, however this way it would be harder to understand for some people (“why, he is not moving the eyes, only his head”) and would not create a discussion about it :) You are all hooked!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170076",
"author": "mike",
"timestamp": "2010-08-19T04:16:06",
"content": "LMAO…guy goes through this whole process of explaining this very complex set of components and electronics put together to make this work….then he has to blow into the game to make it work…. I always just kept a few q tips taped to the top of my Nintendo",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.835039
|
||
https://hackaday.com/2010/08/13/cybraphon-rocks-hard-to-the-mood-of-the-internet/
|
Cybraphon, Rocks Hard To The Mood Of The Internet
|
Jakob Griffith
|
[
"home entertainment hacks"
] |
[
"beat",
"chimes",
"cigar box",
"cybraphon",
"farfisa",
"internet",
"mood",
"organ",
"record player"
] |
Start off with a beat, wood sticks on cigar boxes will do. Add some chimes as accent, a Farfisa organ or record player for a voice, several other instruments for harmony and dissonance, and you’re still just on the tip of the iceberg for
understanding Cybraphon
.
Not only is this antique wardrobe completely autonomous, playing music with over 60 robotic instruments, its song are based on the current
mood of the internet
. You definitely don’t want to miss the video (
or pictures
) on this one, catch it after the rift.
[Thanks to PsychoNerd91]
[vimeo
http://vimeo.com/5441128%5D
| 13
| 13
|
[
{
"comment_id": "168167",
"author": "DPTR",
"timestamp": "2010-08-13T13:32:24",
"content": "Wow… this is really quite good for automated. Everything seems pretty in sync. Scary yes… but good :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168231",
"author": "kabadisha",
"timestamp": "2010-08-13T15:14:09",
"content": "Schweet!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168233",
"author": "kabadisha",
"timestamp": "2010-08-13T15:16:22",
"content": "How the hell do you measure the ‘mood’ of the internet?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168234",
"author": "Austin",
"timestamp": "2010-08-13T15:16:51",
"content": "As awesome as that was… it was really REALLY creepy!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168245",
"author": "oneos",
"timestamp": "2010-08-13T16:17:32",
"content": "The computer monitors mentions of itself on the net. So if something shows up on google, or people are commenting alot on youtube, on its page, twitter, facebook etc. it will get happier. If the fame doesn’t continue, it gets sad. (I’m not sure if it analyzes content of these to determine whether the mentions are of a positive sort).It also has sensors to detect people around it, so assumedly, the more people watching, the happier it would get as well.Also, I’d seem to thing it plays pre-programmed music assigned to certain moods. But who knows, I suppose it could be composing based on some pretty hard-core algorithms.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168246",
"author": "oneos",
"timestamp": "2010-08-13T16:19:26",
"content": "Missed a sentence in reading. Yes, all the music is composed by its makers, FOUND.One could hope…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168313",
"author": "ChalkBored",
"timestamp": "2010-08-13T20:51:37",
"content": "It’s going to get really depressed once someone on here it’s using an arduino.Or it might if people would quit referring to it as IT.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168327",
"author": "UltimateJim",
"timestamp": "2010-08-13T21:24:38",
"content": "AI music cabinet would be awesome.Is this the first step as it is self aware?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168328",
"author": "Pheathers",
"timestamp": "2010-08-13T21:26:33",
"content": "ChalkBored — re: Arduino…..what do you think is blinking all the lights?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168333",
"author": "The Fat Lady",
"timestamp": "2010-08-13T21:42:49",
"content": "Is it still running? I don’t see it onstage.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168341",
"author": "deathventure",
"timestamp": "2010-08-13T22:15:57",
"content": "looks like something that should be in a horror movie, go into a pitch black room of an old abandoned house in the middle of the night with a flash light, and you walk by it and it suddenly lights up and plays",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168488",
"author": "ChalkBored",
"timestamp": "2010-08-14T06:10:31",
"content": "I forgot the word *mentions* in my previous statement. oops.I think it’s a good plan to get AI obsessed with facebook and twitter before skynet takes over. It should help slow the speed of their assault if they’re constantly blogging. Or at least give you a heads-up on their whereabouts.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168513",
"author": "ZeUs",
"timestamp": "2010-08-14T09:44:20",
"content": "@ChalkBoredMy god thats hilarious!Get Skynet to 4square, twitter, facebook etc.If you try to friend it, it WILL IGNORE",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.939897
|
||
https://hackaday.com/2010/08/12/2-foot-tall-pov-globe/
|
2 Foot Tall POV Globe
|
Jakob Griffith
|
[
"LED Hacks"
] |
[
"globe",
"led",
"persistance of vision",
"POV",
"sd",
"spi",
"ytai"
] |
[Ytai] let us know about his
POV globe
, all
four parts
of its
current progress
. While he says he was inspired to write up the project from a
YouTube clip
, we know the
real reason
. Regardless, the plan is to have a 2 foot diameter globe with 256 LEDs spinning at 50 revolutions per second streaming images from an SD card using SPI. While the project isn’t completed yet, we know [Ytai] will pull through like
he has in the past
, and you can be sure we’ll keep you up to date on his progress.
| 18
| 18
|
[
{
"comment_id": "167980",
"author": "Jordan",
"timestamp": "2010-08-12T21:06:58",
"content": "That’s just awesome.<>",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167986",
"author": "asheets",
"timestamp": "2010-08-12T21:22:42",
"content": "My suggestion would be to use a 3450RPM furnace motor instead of a 1725RPM unit, and eliminate the gearing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167988",
"author": "Shane",
"timestamp": "2010-08-12T21:24:40",
"content": "Don’t worry, I still read the alt tags!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167995",
"author": "Franklyn",
"timestamp": "2010-08-12T21:46:07",
"content": "Sorry but you guys should have held on this until he had a video of it up an running.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167999",
"author": "Tel",
"timestamp": "2010-08-12T22:04:10",
"content": "I read each and every alt tag. :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168007",
"author": "M4CGYV3R",
"timestamp": "2010-08-12T22:29:19",
"content": "Why post this? It’s not even finished. On that note, I have some interesting radio trackers/transmitters I’m working on, and some shift-register LED matrices that are about 1/10th finished. I also have some documents about what I’d LIKE to do, since you’re now posting hopes and dreams.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168014",
"author": "dax",
"timestamp": "2010-08-12T22:47:53",
"content": "50 fps? holy crap. I’m barely hopeful for 30fps with 16 RGB LEDs…Can’t wait to see this if it works :D. It’ll be nice to not have the crap aliasing/flickering effects from bad combinations of LEDs and digital cameras.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168022",
"author": "Osgeld",
"timestamp": "2010-08-12T23:11:58",
"content": "so if I post a wooden box with a intent it will be on the front pageI see both sides of the coin, yea its going to be cool, the guy does have a good track record, but …and dont troll the trolls, especially if your staff, that just encourages everyone",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168034",
"author": "lokoloko",
"timestamp": "2010-08-13T00:37:34",
"content": "He shouldn’t use led’s for this big outdoor model.Globe that size would require like more than 1k led with the strongest mcd. Anyways this will only work out for him at nights.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168059",
"author": "thekhakinator",
"timestamp": "2010-08-13T02:40:01",
"content": "I think the fact that it’ll only work at night or indoors is fine.Also something else.Oh yeah. I read teh alt text :D (completely by accident)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168115",
"author": "Dane",
"timestamp": "2010-08-13T05:03:55",
"content": "@ M4CGYV3RI honestly don’t think it’s a bad idea showing a build in progress. If this is a community instead of just news print for us to read, then we can comment, make suggestions, speculate on outcomes. There are benefits to be had. That said, it probably would be best addressed in a section of its own.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168122",
"author": "Arjan",
"timestamp": "2010-08-13T06:37:27",
"content": "So, is the wooden box construction going to be strong enough? I’d expect a metal frame with a block of concrete to keep the globe from going anywhere once it’s finished…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168166",
"author": "Circuitmage",
"timestamp": "2010-08-13T13:29:23",
"content": "Effective use of safety equipment?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168168",
"author": "Queeg",
"timestamp": "2010-08-13T13:37:21",
"content": "He’s protecting his hairline.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168169",
"author": "Joe Hackster",
"timestamp": "2010-08-13T13:39:41",
"content": "hahahahahaha.. Good one… Protecting his hairline.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168558",
"author": "ColinB",
"timestamp": "2010-08-14T15:22:26",
"content": "It’s not the ‘alt’ attribute, but the ‘title’ attribute that causes tooltips to be displayed! The alt text is normally only visible if your browser does not display images (links/lynx/etc.). Your have to RTFS of the page to see the alt text in a modern graphical browser.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168856",
"author": "Jake",
"timestamp": "2010-08-15T15:19:00",
"content": "I have had my share of spinning globes, and have lost all interest in such “hacks”. The only thing that I like about this project is that it should have the ability to decapitate a person. I am guessing that it will only be useful in complete dark; This is cool, because if the LED’s are off, then you won’t be able to see where the spinning parts are, and will easily mame yourself on it.I want to see someone lose a hand to this project xD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168857",
"author": "Jake",
"timestamp": "2010-08-15T15:22:06",
"content": "OH WOW I just watched the video. This thing is going to kill him the first time he spins it up!!!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.888921
|
||
https://hackaday.com/2010/08/12/gba-emulator-ported-to-didj/
|
GBA Emulator Ported To Didj
|
Mike Szczys
|
[
"handhelds hacks",
"Nintendo Game Boy Hacks"
] |
[
"Didj",
"emulator",
"explorer",
"gba",
"leapster",
"rom"
] |
Tired of messing with the hardware of the Didj you picked up? Now you can use it for gaming on that last road trip of the summer. A
Game Boy Advanced emulator has been ported
for use on both the Didj and the Explorer. You’ll have to dig up a copy of the original bios for a GBA as well as some ROMs, but the rest seems pretty straight forward. We are still holding out hope for
Doom or Quake on the Didj
, but this will help us wait a bit longer.
[Thanks Nirvous via
Rosincore
]
| 18
| 17
|
[
{
"comment_id": "167964",
"author": "Mr_Bishop",
"timestamp": "2010-08-12T20:04:09",
"content": "So what your saying is that POS is finally worth buying? Good show people I love to see a good game of pokemon on non-Nintendo hardware.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167965",
"author": "poky",
"timestamp": "2010-08-12T20:04:11",
"content": "Awesome.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167974",
"author": "The Moogle",
"timestamp": "2010-08-12T20:44:06",
"content": "Well the GBA version of doom almost runs :)http://www.youtube.com/watch?v=UVRG8Wg9YjY",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168001",
"author": "Skitchin",
"timestamp": "2010-08-12T22:12:36",
"content": "The Moogle: What about PocketNES?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168020",
"author": "blue carbuncle",
"timestamp": "2010-08-12T23:10:38",
"content": "Good job guys!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168051",
"author": "Amos",
"timestamp": "2010-08-13T02:09:54",
"content": "Good job! As if I didn’t want one of these bad enough :PAlso, @Mike: It’s called the Game Boy Advance. Although it was quite advanced, for its time/price point.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168053",
"author": "fermicirrus",
"timestamp": "2010-08-13T02:17:07",
"content": "@Amos – lol. I remember having to correct everyone when they first came out..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168092",
"author": "Steve",
"timestamp": "2010-08-13T04:14:55",
"content": "F’ing SWEET!!!I know what I’m doing this weekend! It looks like they’re working on porting the explorer kernel to the didj and that there is a patch for mounting the sd card! I hope other emulators follow suit; I knew there was a reason I bought 2 of these!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168127",
"author": "dropeye",
"timestamp": "2010-08-13T07:12:54",
"content": "so you can play doom with a doom rom of this game (see link)http://www.gamespot.com/gba/action/doom/index.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168138",
"author": "strider_mt2k",
"timestamp": "2010-08-13T08:48:02",
"content": "The actual GBA version of Doom almost runs on actual GBA hardware.It has always sucked. I’m not ready to blame the hardware on that one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168384",
"author": "JJ",
"timestamp": "2010-08-14T01:51:31",
"content": "I got really excited about this until I read this:LF Device Prerequisites:————————-64MB RAM (Leapster Explorer. A stock Didj cannot run the emulator at this time):(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168389",
"author": "Coolty",
"timestamp": "2010-08-14T02:42:48",
"content": "@JJhttp://elinux.org/Didj_gpSP_GBA_Emulator",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168416",
"author": "PhilKll",
"timestamp": "2010-08-14T04:04:54",
"content": "@JJIt is now possible to run the emu on the Didj. The sound is distorted, but I was able to play MarioKart just fine. Some fine tuning and it should be tip top.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168922",
"author": "Steve",
"timestamp": "2010-08-15T20:19:40",
"content": "@JJThat’s news to me; my son has been playing pokemon all day. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169227",
"author": "JJ",
"timestamp": "2010-08-16T20:57:11",
"content": "Cool.. Well, I read it in the README for the source code. But if its working for others, I’ll give it a try :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "912581",
"author": "strongwarrior",
"timestamp": "2013-01-03T03:25:31",
"content": "If you modify the “bios” or “OS” of the Explorer, does this render it useless for normal use with Explorer cartridges?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "916423",
"author": "Elisa",
"timestamp": "2013-01-06T20:07:54",
"content": "I’m so very confused by all of these sites…. I am NOT computer literate at all and just bought my kids a didj for $10 at walmart yesterday. I’ve been searching for games on google but there seem to be none. All I can find is information on turning the system into something else. Would that be appropriate for a 6 and 4 year old?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "916462",
"author": "Elisa",
"timestamp": "2013-01-06T20:13:10",
"content": "They have DSi, explorer, gameboy (old school… it was mine), and some other handheld games right now.",
"parent_id": "916423",
"depth": 2,
"replies": []
}
]
}
] | 1,760,377,393.124266
|
||
https://hackaday.com/2010/08/12/beer-fridge-holds-ipad-hostage/
|
Beer Fridge Holds IPad Hostage
|
Mike Szczys
|
[
"Beer Hacks"
] |
[
"arduino",
"flow sensor",
"ipad",
"kegbot",
"lm335a"
] |
A hackathon by the engineers over at Yelp produced this
iPad-centric beer fridge
. A thirsty dude bellies up to the contraption, swipes his or her RFID card, then dispenses a glass of frothy goodness. The iPad display shows information about what’s on tap, and allows you to give it a rating. This is based on
kegbot
but it has a few extra tricks. Instead of measuring how much beer is left via weight, this version uses a flow sensor on the beer lines. Temperature data is recorded from an analog sensor affixed to the keg itself, and the whole shebang is pulled together via an Arduino connected to the serial port of the iPad. You can even check on the keg over the Internet. See for yourself after the break.
[youtube=http://www.youtube.com/watch?v=BwVoir5HSo4]
| 15
| 15
|
[
{
"comment_id": "167973",
"author": "BuRn",
"timestamp": "2010-08-12T20:43:59",
"content": "Wow I’m almost impressed… but mostly saddened, how bored these guys must really be. I mean sure I appreciate the hard work that went into it, but seriously its Stella! :DAlthough i imagine at home it would be much better, especially to see who has drunk all your beer!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167978",
"author": "Dave H",
"timestamp": "2010-08-12T21:00:56",
"content": "An iPad seems like overkill, especially with all the other stuff they had to use – and an Arduino to bring them all and in the darkness bind them.But I guess the iPad is still new enough that “because I can” is reason enough to use it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168009",
"author": "M4CGYV3R",
"timestamp": "2010-08-12T22:34:43",
"content": "Laughable at best. With all the power of the iPad at your disposal (even if it is a trendy piece of crap) you still resort to an arduino externally? REALLY?It would kill you to purpose-build a PIC USB peripheral to check the sensors?You guys are complete losers. Enjoy your pretentious beer and no-talent attempt at a hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168016",
"author": "Jac Goudsmit",
"timestamp": "2010-08-12T22:55:37",
"content": "“…Arduino connected to the serial port of the iPad.”Wait a minute… they used an iPad as a $500 serial port terminal? I think you can buy a lot of beer for that kind of money…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168017",
"author": "Bob",
"timestamp": "2010-08-12T22:59:50",
"content": "it would have been better to use the RFID to enable a valve to allow you to pour the beer….this is just a baby monitor for your beer.. Meh",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168019",
"author": "blue carbuncle",
"timestamp": "2010-08-12T23:09:43",
"content": "Crom make this stop. Put the RFID tags in the beer so they can’t lose them until they poop or puke. Nevermind…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168028",
"author": "big pappa",
"timestamp": "2010-08-13T00:19:00",
"content": "wow, harse critics here. rock on guys. great job.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168099",
"author": "ratso",
"timestamp": "2010-08-13T04:27:08",
"content": "They should add an interface to twitter for the lameness trifecta!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168102",
"author": "swighton",
"timestamp": "2010-08-13T04:41:49",
"content": "I don’t really understand why they went with a flow meter rather than weight to gauge the amount of beer left, as weight seems much more absolute. (the flowmeter would really just tell you how much beer had been drunk)In order to know how much beer was left using a flow meter you would have to know exactly how much volume of fluid was in the keg to begin with. With a scale all you need is the weight of a keg and the density of the beer at 32f. Bam. You know much beer you have relative to empty. I would bet that a decent scale is a whole lot cheaper than an accurate flowmeter.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168137",
"author": "Stuart",
"timestamp": "2010-08-13T08:37:39",
"content": "You guys are quite literally the biggest fucking douchebags ever. Stop being so harsh with your criticisms. It looks cool. It works. It’s a neat idea.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168140",
"author": "strider_mt2k",
"timestamp": "2010-08-13T08:52:26",
"content": "Yeah, I have to agree the douchery levels have become surprisingly high in comment land.All _I_ was gonna do was make a quip about it learning some manners on Master’s sail barge, but it looks like it’s not that kind of party. :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168146",
"author": "James",
"timestamp": "2010-08-13T09:07:56",
"content": "Would make more sense to let you rate your last beer on your next login?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168174",
"author": "Stephen",
"timestamp": "2010-08-13T14:11:32",
"content": "Great job–this is way more intense than the one I created. I opted not to use the flow meter, since as a homebrewer it adds to the amount of equipment to clean/sanitize. I did it by weight, and didn’t use RFID–but that is a great addition. For those who thought the Ipad is an overkill, my project uses only 2 xbees connected to a linux box to report it on the web. It is the poor-man’s version of this! Find it at trackakeg.mashwp.org",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168498",
"author": "ratso",
"timestamp": "2010-08-14T07:25:54",
"content": "@theCryBabies: Plugging already available units together is NOT a hack.More on the credability of the “creators”:http://www.youtube.com/watch?v=OcTVG-cDe-8http://www.youtube.com/watch?v=jbPjK6cTqAc",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169731",
"author": "wdfowty",
"timestamp": "2010-08-18T00:25:59",
"content": "By far the best use of an iPad since Daniel Tosh got a hold of one…“We never even turned it on!” -Tosh.0",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,392.993681
|
||
https://hackaday.com/2010/08/12/adding-an-input-to-an-old-head-unit/
|
Adding An Input To An Old Head Unit
|
Mike Szczys
|
[
"digital audio hacks"
] |
[
"avc-an",
"carolla",
"cassette",
"input",
"tape",
"toyota"
] |
Tape decks in cars? Yes, that used to be quite common before optical media took over road. [Nirav Patel’s] 2004 Toyota Corolla had a deck that he used with a tape adapter in order to listen to music from his iPhone. But one day something happened and, although the adapter still worked, the cassette player started making distracting noises. [Nirav] set out to quiet the noise and
install an auxiliary audio input
for the sound system. There were some tripping points along the way, like breaking everything and starting a small fire, but perseverance got him to his goal. Because these units are built with compatibility for things like CD changers they have a communications bus called AVC-Lan. This protocol has been
sniffed out and documented
, and [Nirav] even found
an existing audio-input hack
that he based his design around. Now he’s able to plug directly into the dash and ditch the cassette adapter.
We’ve seen [Nirav’s] work a few times before. He’s shown us
a first person shooter controller
and his site was a resource in our
Launchpad programming with Linux
post.
[via
Make
]
| 38
| 35
|
[
{
"comment_id": "167887",
"author": "cde",
"timestamp": "2010-08-12T16:17:49",
"content": "No code makes this worthless.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167888",
"author": "LG",
"timestamp": "2010-08-12T16:22:00",
"content": "Thank you HAD. I have been waiting for this sorta thing for months – I just can’t bring myself to spend $95 on a adapter plug for the CD changer tape unit in my nissan!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167889",
"author": "osgeld",
"timestamp": "2010-08-12T16:23:40",
"content": "I dont want to bash the value of a hack, but when I worked in a car audio WD we were selling very basic jensen cd players for like 12 bucks retail, and yes they had an aux in on the frontprops for doing it, but I would not have",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "998546",
"author": "steve",
"timestamp": "2013-04-27T12:54:55",
"content": "This is very valuable if you have a car with a can bus radio and steering wheel controls that you would like to retain. Those adapters are very expensive.",
"parent_id": "167889",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "167894",
"author": "Quietas",
"timestamp": "2010-08-12T16:42:47",
"content": "Box stores often have $50 DIN sized CD players with AUX inputs right on the faceplate. Or many have standard RCA inputs which allow a simple mod to add a 3mm jack to the dash.In the case of some cars like the 03 Ford Tuarus its not that easy since it doesn’t use a normal DIN (1 or 2) head unit. You have to buy an $80 add on module to pretend to be a CD changer. In this case a cheap mod would be worth it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167900",
"author": "osgeld",
"timestamp": "2010-08-12T16:50:19",
"content": "or a 5$ tarus to din faceplate (metra makes all sorts of those type things, course some are very expensive, ie for a honda, but for a ford oval, yea 5-10 bucks)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167905",
"author": "Jac Goudsmit",
"timestamp": "2010-08-12T17:04:50",
"content": "Reminds me of my first hardware hack…The first radio I ever had when I was 8 or 9 years old was a tiny hand held battery powered AM receiver. Then I got a record player from a neighbor who thought it was broken. I found out it was just a wire that had come off a prong in the power plug: my first ever electric repair.The neighbor soldered the signal wire into the radio, injecting the signal right before the volume control (the record player didn’t need a preamp). All I had to do to listen to a record (i.e. one of my dad’s old 45’s) was tune away from a station so the radio didn’t interfere, and start the record player. And remember to turn the radio off afterwards of course to prevent the battery from dying :-)Good times!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167906",
"author": "Peter",
"timestamp": "2010-08-12T17:09:03",
"content": "I 2nd questioning the value of this hack considering the price of new mp3 playing decks with aux built in. I bought a new Sony one a year ago with usb as well as aux for $100. Im sure you could pickup a second hand one off ebay with mp3 for next to nothing. Dont get me wrong, i’m not saying this hack isnt bad in anyway. It looks to be very well done so kudos to Nirav. Its just the overall point of it fails me.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "2782650",
"author": "Brett",
"timestamp": "2015-11-03T04:13:34",
"content": "Peter… A $100 car stereo/head unit might satisfy you. For myself, I have about $600 invested in a high quality pioneer CD unit that still functions perfectly and has awesome sound quality. I, like many others, simply aren’t willing to toss that sort of money out simply because it’s now a little out of date. Nor do I have the money to replace it at this time. So a hack is the best way to go. I’ve done a couple of older car stereos, two tape decks and a CD unit. Also, for someone who has a vehicle they wish to keep original, whether it newer or a vintage, hacks like this are an invaluable way of doing that. It enables you to add an auxiliary input without compromising the vehicles original look. There’s businesses who specialise in repairing and upgrading classic/vintage radios to accept an external input. There’s are some very valid reasons. Another is simply for something to do. Yet another is to save a working piece of audio tech from going into landfill.",
"parent_id": "167906",
"depth": 2,
"replies": []
},
{
"comment_id": "6174784",
"author": "Kelly",
"timestamp": "2019-08-26T16:34:26",
"content": "This hack is very useful for someone who has reason for not wanting to just replace the head unit. My motorcycle has an AM/FM , Cassette, CB unit, with handlebar controls, and outputs for helmet speakers/microphone. If I were to change my head unit, I would lose all of these features. It is also not a regular DIN size, so nothing else will fit anyway.This hack allows retaining all factory features and controls, but I can now use any MP3 player as a source.",
"parent_id": "167906",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "167912",
"author": "nic",
"timestamp": "2010-08-12T17:20:55",
"content": "Well for those that don’t see the value in this hack, try having a jeep wrangler. When the top is off the last thing I want is someone snagging my cd player and probably causing more damage to the dash bezel etc. I did this to my radio a while ago. Thieves will steal even the crappiest aftermarket headunit.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167917",
"author": "Sp`ange",
"timestamp": "2010-08-12T17:28:43",
"content": "We hack because we can.Sometimes it’s worth the money, sometimes it is not. Sometimes it is for something that doesn’t already exist. Sometimes it is not. Sometimes it is about reusing what you already have and sometimes it is just for the fun and experience.DIY hacking is R&D for the end user. Try some constructive criticism HaD community.Personally, I’ve done a very similiar hack and I’m glad to say that a) I did it b) I used stuff I already had c) one less thing in the landfill.Find, reuse, hack, upcycle. Rinse and repeat./soapbox",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167920",
"author": "Mav",
"timestamp": "2010-08-12T17:42:24",
"content": "There is no value to this hack ,, but aren’t people missing the point ?Hacking is as much an adventure and trying things out than anything else.Lets face it 80% of the maker stuff is intrinsically just junk to anyone but the makers crowd.Examplehttp://makerfaire.com/newcastle/2010/Just from the image all of the stuff there to me is complete junk and a waste of time ,money (except maybe R2D2 but even then only as a toy).I am sure the people who made them would disagree vehemently , to them it was worth doing just for doings sake.Yeah you can get a £20 head unit with an aux in but where’s the fun in that ?“Here you are Mr HiFi dealer here is a 20”reply:-“Here you are here’s your head unit”“Oh that was fun for 20 seconds”Jac Goudsmit has the right idea , why hook up a radio to a record player and not just and amp. Simple because a radio was lying around and because you can.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167927",
"author": "Trav",
"timestamp": "2010-08-12T18:07:11",
"content": "I did something similar 17 years ago to hook my CD player into a deck that only had tape.I agree with Sp`ange & Mav, Sometimes the hack’s value is just because it was something to do besides sitting around the TV or video games. And bandwidth is cheap for a few pics and commentary. If you find no value in it, skip it. I often find value in hacks that I’ll never get around to myself, but I often enjoy seeing how someone overcame an problem. Some people like putting together 1000 piece puzzles, I find tearing into something is my own “puzzle”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167932",
"author": "Rob",
"timestamp": "2010-08-12T18:19:21",
"content": "Did this many years ago — minus having to worry about audio network protocols — to add CD player input to an 8-Track. Yup, and 8-Track. Buddy had a late 60s car, and a new stereo in it just didn’t look right, what with all the chrome and shiny shiny. My only serious challenge was finding the Goldilocks spot along the audio path for the headphone-out level.I’d like to do something like this for my current ride, but I haven’t found anyone who has hacked the Nissan bus already. But I suppose sniffing the protocol would be an interesting exercise, sure to bring derision upon myself — unless I used an Arduino, of course.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167937",
"author": "Andy",
"timestamp": "2010-08-12T18:35:16",
"content": "My dad used to do this sort of thing when I was a kid. He’s a retired auto mechanic and electrician. Except he used to spend hours making mixtapes for himself on cassettes, so he plugged his Walkman into my car that already had a CD player.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167938",
"author": "dext0rb",
"timestamp": "2010-08-12T18:55:45",
"content": "Lately almost every comment here is: “why this when XX or YY or ZZ is cheaper and ready made?”.Go to bestbuy.com then, why are you even coming here to begin with?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167940",
"author": "samnmax",
"timestamp": "2010-08-12T18:58:32",
"content": "I also did this with the tape deck in my old Daewoo Matiz. However, I used a much simpler approach, by cutting the output traces of the tape preamplifier and connecting a 3.5mm jack instead. Also used a button that jumpered the “tape inserted” switch inside. All mounted in the cassette hole (I didn’t need it anymore)Sadly the engine broke, but thankfully my new car already has an Aux input.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167952",
"author": "willywonka",
"timestamp": "2010-08-12T19:31:51",
"content": "I am also tired of the “this has been done already” or “I did this already” comments. Just keep it to your self if you are not impressed. This is a forum for sharing and ENCOURAGING creative efforts. Leave off the negative stuff and add some interesting observations if you have any creative juice in your bitter little bodies.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167966",
"author": "Decius",
"timestamp": "2010-08-12T20:05:39",
"content": "dext0rb, they don’t focus on the ingenuity of the hack. Sure it’s cheap to do it this way and that way…but the user was faced with a problem and with knowledge he was able to customize something that wasn’t intended to be done so and made it work to his specifications.They could at least read his site before posting…http://eclecti.cc/hardware/normal-people-dont-have-these-problems",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167979",
"author": "osgeld",
"timestamp": "2010-08-12T21:02:23",
"content": "“I am also tired of the “this has been done already” or “I did this already” comments. Just keep it to your self if you are not impressed. This is a forum for sharing and ENCOURAGING creative efforts.”exactly they are SHARING how they, or someone else did it, and what is wrong with that?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167991",
"author": "zool",
"timestamp": "2010-08-12T21:40:20",
"content": "i would do what samnmax didno cost solution",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168027",
"author": "Observer",
"timestamp": "2010-08-13T00:10:25",
"content": "lol, this is amazing i did a similar hack last week! :)what i did is much simpler i just removed the cassette system and put a female jack where the sound from the cassette sys connected to the mainboard of the radiothen short circuited a switch that was on the cassette sys that was for informing the radio that there is a cassette playingso now the radio if you press the button for cassette it just waits your input from the jack :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168029",
"author": "thekhakinator",
"timestamp": "2010-08-13T00:20:06",
"content": "so pissed that I submitted essentially this hack two years ago and was ignored >__>",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168042",
"author": "robert",
"timestamp": "2010-08-13T01:19:23",
"content": "this is good for those of us with cars from 1989 w/ original stereos. though it would probably be more difficult to do to my car. So, a good starting point for 20-year-old head units maybe :P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168045",
"author": "lokoloko",
"timestamp": "2010-08-13T01:48:59",
"content": "Now that you have FM submitter on your phones such as N900 this doesn’t make a lot of sense but the fact is that most of the decks/cd players in cars doesn’t have input jacks.Even tho many FM radios can’t lock on the signal by your phone.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168049",
"author": "electrosthetics",
"timestamp": "2010-08-13T02:01:01",
"content": "Lol, this brings back memories.I did the same thing almost 10 years ago with an old aftermarket CD player.. (seems fairly common!) I needed an aux input to plug in my hacked/overclocked I-Opener (remember those?!) turned in-car-computer. After datasheeting all the guts, I got lucky.. The radio had a Phillips mixer chip in it, it determined which input was sent to the amp, controlled by i2c. So after wiring some RCA’s up to an unused input on the chip, making an I2C interface via parallel port, it was ready to roll. It didn’t matter what mode the radio was in (am/fm/cd) when you sent the ‘override’ i2c command, the mixer chip would just swap inputs. I made a little winamp plugin that sent the i2c command over LPT port automatically when you played a song. It worked, and it didn’t cost anything! (I could barely afford gas, wasn’t going to blow it on a stupid 300$ radio with aux input)Those always looking for value here constantly should probably head straight to overstock/woot/buy/monoprice/ebay and delete their HAD bookmark. (you’d do those here who enjoy reading tales of human ingenuity a big favor)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168129",
"author": "James",
"timestamp": "2010-08-13T08:16:47",
"content": "I’ve used the same method as samnmax on my own units before CD ones were of achievable price for a student.Possibly the most common hardware hack in the world?!While those looking for value are possibly misguided, there’s some sense in saving your hacking potential for things that you can’t buy for a fiver and using it on bigger, better stuff.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168143",
"author": "strider_mt2k",
"timestamp": "2010-08-13T08:57:04",
"content": "If it works out for the hacker then it has value…DUH?Who let all the tight-assed non-hacking spirited whining douchebags into my hack a day?It’s like there’s a contest to see who can out douche each other.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168157",
"author": "Filipe YaBa",
"timestamp": "2010-08-13T10:36:37",
"content": "…those who can, DO…those who can’t, BUYHave to agree with initial comments, please avoid HAD if you limit yourself to buying stuff or putting a tag price on others hacks. Go learn something and DO something.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168240",
"author": "danadamkof",
"timestamp": "2010-08-13T15:37:03",
"content": "This hack, or a similar method to add an aux in to an existing headunit, is essential to maintain the stock look in a car. Buying a $35 Sony XPLOD will also add an aux in to your car, but will it look like it belongs there?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168255",
"author": "ejonesss",
"timestamp": "2010-08-13T16:36:55",
"content": "or you could have tapped into the tape deck signal out from the tap head amp board witch is where the auto reverse switching is done.if you are not up to voiding the warranty and core value (that’s right car radios too get returned to factory for refurbishment) you could get the cassette adaptor and cut off the ear phone plug and replace the connector with a different connector for other devices.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168674",
"author": "K!P",
"timestamp": "2010-08-14T22:53:27",
"content": "Pioneer headunits with a cd changer input can use the player input as a aux input. You just have to make a 3 pin plug thats floating around on the internet. After that you have to power the unit on by hoding the function key. after it powers on its in a setting menu, that has some weird stuff in it, but also a aux:off mention. Change it to aux:on and you have aux input :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "218271",
"author": "jim dangle",
"timestamp": "2010-11-25T08:23:40",
"content": "i like this…i went to pick n pull and got a kenwood excelon from 1998 a kdc-ps655 or something and it had only a cassette player under the faceplate…the cassette adapter or the unit made loud circling noises, plus fidelity is questionable from cassette adapters, right? or do recording engineers sometimes transfer stuff recorded straight to digital back to tape to “warm it up a bit” …its a preference thing, yes. however, the cassette noise and a quest for higher fidelity leads me to want to open it up and solder. using the cd changer input is apparently a no go because unit is circa 1988, exactly one year before the 13 pin din would change to allow and adapter like the cac1ax or something to to make the 13 pin din become and aux input…ugh. ( i even tried to avoid buying that adapter cable putting a 10k ohm resistor between pins 1 and 9, and the audio leads to 8 and 12, audio ground to 6….but again, one year to vintage on this deck for that to work. so i’ll probably solder into the cassette feed on the board.anyway, i got that kenwood excelon for about $24 a pick n pull plus their stupid environmental fee bs. these heads sold for about $250 back in 1998 e so yeah i could buy a $65-100 unit from walmart that has usb and or a aux in and maybe hd ready or whatever…but lets look closer in terms of what i need and what i get for the money. what is important. is the thd on the head and the signal to noise ratio important? (the excelon had a 56 without dolby and 65db with dolby on). modern kenwood decks with a usb and aux input have a 70db snr. not much improvement there. such a modern deck i s$90 on amazon. maybe i should even be using the decks amp so the snr and thd don’t matter? or do they still contribute to fidelity somehow when sending a signal to a nicer outboard amp (like the nakamichi i got from a junker lexus ls400, one you only got if you added on the $5k upgrade package of sunroof heated seats and nakamichi system or whatever)? also, isn’t there a chance an older cassette head unit has separate crossover control (?NON fader crossover or something?) for front and rear channels? wouldn’t that be useful especially if your amp doesn’t or you don’t want to get crossover networks? maybe the older excelon has indepent subwoofer control whereas the new sony xplod others tout by virtue of a simple aux in has pretty much nothing in terms of eq or audio controls (likely a simple left right front back fading/panning ability and one or two lame eq presets). and some of these new units aren’t thought out very well, it takes 6 button presses to get to a commonly used menu. i dont know if i am wasting my time or not but i would bet you i learned a ton more in my trials and tribs over this than some doosh who just got hisself that pionerr for 165 smackers at best buy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "218276",
"author": "jim dangle",
"timestamp": "2010-11-25T08:38:38",
"content": "but, uh, ta all tha haters, have fun working off that $5k you give to the lexus dealers for a sunroof heating pad on your seat and updgrade sound system, i’ll be soldering",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "395926",
"author": "Erronous Monk",
"timestamp": "2011-05-19T07:02:02",
"content": "This guy did great. Did you notice that he included a three pin header so that he could repair the signal wires should they ever get damaged? PURE GENIUS. I would rather team with an open minded farmer and a tool box than an engineer with hindsite and a podium.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "989101",
"author": "Sargon",
"timestamp": "2013-04-04T15:33:55",
"content": "my favourite CD/MP3 hack is this 4 years old onehttp://ipod-remote.blogspot.cz/Using ACP and create AUX input to match cd changer protocol … good jobother protocols explained herehttp://www.mictronics.de/projects/cdc-protocols/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "2944960",
"author": "Scootypuffsr",
"timestamp": "2016-03-05T20:31:45",
"content": "I didn’t read every comment but props to hackers because if you have an old school clean 80’s car and want a head unit that matches and also don’t want to settle for less than the best possible sound quality/functionality this is the stuff you gotta explore",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,393.068946
|
||
https://hackaday.com/2010/08/12/airsoft-minigun-packs-quite-a-punch/
|
Airsoft Minigun Packs Quite A Punch
|
Mike Szczys
|
[
"Misc Hacks"
] |
[
"airsoft",
"ammo",
"automatic",
"bb",
"minigun"
] |
[Kuba_T1000]
built a multi-barrell Airsoft minigun
with an unbelievable firing rate and an almost inexhaustible ammo pack. The gun is made entirely from aluminum which meant some time on the CNC machine. The six barrels don’t rotate but they are all used, resulting in the carnage shown in the video after the break. That large box you see is the ammo pack, which can hold 16,000 BBs and uses an electric feed system to reach the necessary delivery speeds. It is certainly not something you’d want to run into as part of
an automated turret
.
[youtube=http://www.youtube.com/watch?v=gsKLQlPxCG8]
[via
Hacked Gadgets
]
| 34
| 34
|
[
{
"comment_id": "167854",
"author": "chango",
"timestamp": "2010-08-12T14:16:47",
"content": "He should name it Reason.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167855",
"author": "Macpod",
"timestamp": "2010-08-12T14:23:39",
"content": "Looks like someone took their time to design this. I’m rather impressed with the documentation too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167856",
"author": "John Harrison",
"timestamp": "2010-08-12T14:24:15",
"content": "That put the mini in mini gun in an unexpected way. Too bad the barrels don’t spin but a nice looking build either way.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167857",
"author": "Dick",
"timestamp": "2010-08-12T14:34:33",
"content": "Finally, a way to keep my parents out of my room!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167858",
"author": "omnomnomnom",
"timestamp": "2010-08-12T14:41:07",
"content": "His name is T1000 how can we be sure the minigun isn’t part of him?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167862",
"author": "CutThroughStuffGuy",
"timestamp": "2010-08-12T14:52:34",
"content": "Don’t they have those at your local state fair, where you have to shoot the red star from the paper target?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167867",
"author": "Gene",
"timestamp": "2010-08-12T15:02:47",
"content": "Judging from the curvature of the shot trajectory, and that he’s firing from so close to his target, it doesn’t look like the muzzle velocity (and thus range) is all that high. Pretty sweet nonetheless, and it does a number on that pad of paper :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167868",
"author": "Winston",
"timestamp": "2010-08-12T15:06:55",
"content": "@omnomnomnom because it has moving mechanical parts, ofc",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167869",
"author": "Mad sientist",
"timestamp": "2010-08-12T15:08:31",
"content": "now he needs to build a robot to put this on",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167870",
"author": "dmcbeing",
"timestamp": "2010-08-12T15:12:58",
"content": "Say hello to my little friend",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167872",
"author": "zigzagjoe",
"timestamp": "2010-08-12T15:32:13",
"content": "It only uses a single central barrel as opposed to the 6.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167873",
"author": "deathventure",
"timestamp": "2010-08-12T15:34:16",
"content": "@GeneI think he chose to be so close because the spot is semi-enclosed and thus the mass of bb’s doesn’t go EVERYWHERE in his house. As far as arcing, I didn’t notice it in the firing. Could also be an illusion of the camera angle and the angle he is firing at. Also, with it being airsoft bb’s, I’m not sure how accurate those can really be.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167875",
"author": "Awesomenesser",
"timestamp": "2010-08-12T15:36:44",
"content": "As far as I can tell he is only firing through one barrel not all six. (The actual barrel might even be in the center if the set of barrels)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167876",
"author": "GeekDoc",
"timestamp": "2010-08-12T15:42:23",
"content": "@zigzagjoe:My thoughts exactly.http://kuba-t1000.com/minigun/gallery/real/182.jpgPretty cool, but why not replicate a single-barrel, high cyclic rate, belt-fed weapon (like the M249 SAW), rather than do the six non-rotating fake barrels?Well, can’t fault him for creativity, and the minigun may just be a favorite of his.Well made, and thanks for all the photos!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167879",
"author": "JohnSmith",
"timestamp": "2010-08-12T15:47:21",
"content": "Ultima Ratio RegumGlad to hear that someone else read Snow Crash.Nice machining, wish I had access to a shop.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167880",
"author": "bbot",
"timestamp": "2010-08-12T15:48:51",
"content": "As everyone has pointed out by now, this is a cosmetic facade over a single barreled machine gun. Lame.Also, the music in the video is hideously awful.Also, not a hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167882",
"author": "Jack",
"timestamp": "2010-08-12T15:55:43",
"content": "I respect the quality of this build, but I have to agree with bbot.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167883",
"author": "twat",
"timestamp": "2010-08-12T16:00:19",
"content": "please learn to spell, mike.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167885",
"author": "T.",
"timestamp": "2010-08-12T16:10:21",
"content": "Sorry Hack-A-Day but Awesomenesser is correct: he is only using one barrel, you can tell that clearly from the video alone but if you actually click the link, you can see there is only one barrel in the parts layout.All this really is, is a shiny CNC shell around a modified Airsoft barrel/hop-up for high rate of fire.It is not even all that high rate of fire, guys have been doing this on youtube for a few years. Look up the airsoft flamethrower. :D The ammo box is a pretty good enhancement though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167890",
"author": "Ben R",
"timestamp": "2010-08-12T16:24:21",
"content": "@chango — I scrolled down looking for that comment, and you didn’t disappoint. The lack of repeats did though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167907",
"author": "bbot",
"timestamp": "2010-08-12T17:10:59",
"content": "Oh yeah, and you misspelled “barrel” in the first sentence.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167942",
"author": "Tom",
"timestamp": "2010-08-12T19:01:20",
"content": "Lol, now all he needs is uranium pellets and some shoddy firmware to complete the likeness!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167955",
"author": "Kyle",
"timestamp": "2010-08-12T19:38:44",
"content": "COOOOOONTAAAAAACT!!!!I’m gon’ have me some fun.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167967",
"author": "anonymous",
"timestamp": "2010-08-12T20:08:57",
"content": "in keeping with the Snow Crash references:@bbot, don’t be such a 12 gauge",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167982",
"author": "Alexus",
"timestamp": "2010-08-12T21:07:56",
"content": "FCK YEAHHHHH of course anybody can think in make one of this… but how many of you will do… I know I will do… but a greater PSI give you more power…rocks…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167989",
"author": "zool",
"timestamp": "2010-08-12T21:28:25",
"content": "Engineer is credit to team!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168047",
"author": "JB",
"timestamp": "2010-08-13T01:51:39",
"content": "“It is certainly not something you’d want to run into as part of an automated turret.”Why not? First thing that came to mind",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168052",
"author": "tsa",
"timestamp": "2010-08-13T02:14:06",
"content": "haha, very interesting",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168188",
"author": "SOI sentinel",
"timestamp": "2010-08-13T14:20:46",
"content": "It’s an interesting replica. What I like is the absolute simplicity of the core design. I’m looking for a US supplier of the Genuine Innovations composite CO2 regulator to create a low ammo version powered at 150PSI from a 16gm CO2 cylinder. This should end up ultra small and lightweight but pack a one or two shot punch. Think RC chopper chaingun.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168537",
"author": "Tom",
"timestamp": "2010-08-14T12:51:26",
"content": "He should use Metal BB’s. Not for added damage, but for easier clean up. Maybe implement a electromagnet to pick up the BB’s and dispense them back into the ammo box?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168620",
"author": "Troy",
"timestamp": "2010-08-14T19:31:06",
"content": "Metal BB’s would turn it from a toy to a weapon and make it illegal in many municipalities. But, yes, it would make cleanup much easier.Of course the cleanup problem could inspire a new project…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168858",
"author": "Jake",
"timestamp": "2010-08-15T15:24:09",
"content": "Yeah, this hack is fail. I have seen higher firing rates out of a plastic bottle loaded with BB’s, a barrel fixed to the end, and a compressed air source hooked up to the other end.FAIL!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "188360",
"author": "Blacksunshine",
"timestamp": "2010-09-30T20:58:01",
"content": "Any of you dogging on this build are idiots and don’t know wTF you’re talking about. This is a masterpiece. It is not a cosmetic body with a AEG gearbox stuffed inside. this Is a ground up custom CNC made system. Increasing the pressure from the CO2 tank will up the FPS without any major modifications. The ROF is Freaking insane. Yes there are some airsoft guns out there that reach similar rates of fire but the cost to get that is very high and the reliability is very low. This is a solid setup. As well it is a mini gun design. The retail version of something similar would require you to spend $2500 and carry very heavy 12V batteries around with you. This can be run off of a small CO2 tank. The regulator can also be downsized as well if you take a regulator from a paintball setup. I think 32deg makes one for around 70 bucks.Hell if you could do this build for 1K you would still be WAY out ahead in terms of cost.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "189145",
"author": "John",
"timestamp": "2010-10-02T06:46:14",
"content": "Dear God in Heaven, name your price, I have got to have one of these.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,393.19182
|
||
https://hackaday.com/2010/08/12/one-handed-gamecube-controller/
|
One-handed GameCube Controller
|
Mike Szczys
|
[
"Peripherals Hacks"
] |
[
"accelerometer",
"attiny44",
"controller",
"dac",
"gamecube",
"hand"
] |
[Hasse]
built a one-handed video game controller
for his brother. He fit everything he needed into the body of an existing controller and came up with a very usable system. The controller will be right-hand only, so the left shoulder button was moved underneath the right side where your middle finger can get at it. This leaves the d-pad and the left analog stick to account for. By combining an ATtiny44A, an accelerometer, and a digital to analog converter the controller can sense motion. The microcontroller reads in the accelerometer data, gives user feedback via four added LEDs on the d-pad, and the DAC feeds the appropriate signals back into the controller as if you were using the stick. There is even a switch to select whether the motion data is mapped to the analog stick or to the d-pad. We’ve included a demo video after the break.
Find that you also need some one-armed typing assistance? Check out this
half-qwerty keyboard hack
.
[youtube=http://www.youtube.com/watch?v=45A2glYyezo]
[Thanks Wim and Jeroen via
Tweakers
]
| 10
| 10
|
[
{
"comment_id": "167848",
"author": "MS3FGX",
"timestamp": "2010-08-12T13:54:09",
"content": "Nice build here, seems to work pretty well. Hope his brother enjoys it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167851",
"author": "dmcbeing",
"timestamp": "2010-08-12T14:02:22",
"content": "When i saw the title i thought:“Yet anther great mod from Ben Heck”/offtopicThat is one heck of a job you’ve done :PWell done, i hope your brother enjoys it as much as we enjoy the creativity you put to build it :DPS:Ben where are you?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167886",
"author": "Tekgno",
"timestamp": "2010-08-12T16:10:43",
"content": "I saw another similar mod several years ago where the left analog stick was moved to underneath the bottom part of the right hand side so the user could rest it on their knee or another surface. Sorry I don’t have a link handy.I did have a chuckle at the “Putting it all together slide” with the mess of long wires imagining the builder thinking “How the *&^% do I get this closed together again?!?”. I may have had a few drinks though :p",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167997",
"author": "chase",
"timestamp": "2010-08-12T22:03:04",
"content": "great job. kudos on the determination to see it through. your brother should be proud to have you as a sibling.=)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168004",
"author": "wdfowty",
"timestamp": "2010-08-12T22:22:32",
"content": "Lol i was thinking the same thing dmc. Wtf happened to benheck???",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168320",
"author": "BIOS HazarD",
"timestamp": "2010-08-13T21:01:59",
"content": "I love when people innovate to help others. I mean it’s still cool when you build something for the lulz of it, but this truly inspires.Solid build, well thought out. Hope his bro likes it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168677",
"author": "Jay",
"timestamp": "2010-08-14T23:06:21",
"content": "You are one great brother you know that. Great job! It is unfortunate that your brother is handicapped. I can sort-of relate, but I do know that my brother wouldn’t go to this much trouble to see me smile again. It’s great that your brother can enjoy the games that we enjoyed as kids.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "194006",
"author": "Spencer",
"timestamp": "2010-10-09T17:31:46",
"content": "Dude that is so awesome!!! If you make another like this but black I’ll buy it from you for $25-35! This is so awesomely-awesome! O____O ((In awe/=drool drips= )) I WANT ONE!!!!!! >.<''I wish I could stick to something that long, I could probably make it but I don't have the patience. D;Please contact me back about this. I'm serious about buying one.-Thanks",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "1111763",
"author": "Carole Atkinson",
"timestamp": "2013-11-26T01:25:47",
"content": "My sister is 67 and had a stroke leaving her left hand paralyzed. She was an avid gamer and had the game cube last. Can you get me a one-handed game controller? She missed the games very much!tropicarole@yahoo.com",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3300048",
"author": "Barbara Meyer",
"timestamp": "2016-12-05T02:12:46",
"content": "Looking for a one handed controller for left hand for Nintendo game cube for my disabled son. Would like to know the price as well please. Thanks",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,393.242046
|
||
https://hackaday.com/2010/08/11/how-to-launchpad-programming-with-linux/
|
How-to: Launchpad Programming With Linux
|
Mike Szczys
|
[
"Featured",
"how-to",
"Microcontrollers"
] |
[
"launchpad",
"msp430",
"mspdebug",
"mspgcc",
"ti"
] |
When TI released their
Launchpad development board
at the end of June it generated a lot of Buzz. Here’s a package that delivered a programmer, debugger, two microcontrollers, and some accessories for less than five bucks (including shipping). They even provided a choice of two software suites but only for users running Windows who don’t mind proprietary software. If you’re looking to go another way you should consider trying out the open source alternative MSPGCC. After the break we’ll take a look at getting the tool-chain up and running in a Linux environment.
We’ll be working with Ubuntu 10.04 Lucid Lynx. When the Launchpad is connected to USB it is identified and mounted to /dev/ttyACM0. It’s not immediately apparent how to use the device but fortunately it can be done. To talk to the hardware for programming and debugging we’ll need to use MSPDebugger. For compiling our code we’ll be using the
MSPGCC open source compiler package
.
Compiling and Installing MSPGCC
The first thing we’ll need to do is satisfy our build dependencies.
sudo apt-get install subversion gcc-4.4 texinfo patch \
libncurses5-dev zlibc zlib1g-dev libx11-dev libusb-dev \
libreadline6-dev
Now we’ll checkout the source code from the subversion repository:
svn checkout https://mspgcc4.svn.sourceforge.net/svnroot/mspgcc4
Next we enter the directory and start compiling:
cd mspgcc4
sudo sh buildgcc.sh
This will take some time so
go read some posts
and come back in 20-45 minutes.
To add the tools we just installed to the path, we need to edit the /etc/profile file:
sudo nano /etc/profile
Add this line to the end of the file (CTRL-X to exit once you’re done):
export PATH=${PATH}:/opt/msp430-gcc-4.4.3/bin
Now reload the profile you just edited for this to take effect:
source /etc/profile
Great, now you have the tools necessary to compile your C code into an .elf file that the microprocessor will understand. Next we’ll need a way to get that file onto the chip.
Compiling MSPDebug
We’ll use the
MSPDebug instructions
for downloading and compiling. First you need to
go to the download page and get the latest version
. We downloaded version 0.9 and will use that in the filename for the following commands. Now go to the directory where you saved that download and unpack the archive, compile, and install the package using the following set of commands:
tar xvfz mspdebug-0.9.tar.gz
cd mspdebug-0.9
make
sudo make install
That should take just a few seconds and it’s the last of the tools that we need. Next we can use our new software to connect with the device.
The code
It’s best to try out some proven code the first time around.
Download our simple code package
to test out the compiler and use the debugger for programming. This is much simpler than the temperature demo found on
Ramblings and Broken Code
be we are using their Makefile and once you’re comfortable with the process there’s a lot of great code examples in that package.
Unpack the code, open a terminal window, and navigate to the directory where the files are located. Compile the file by typing:
make
If that went well, great. If you get an error like “msp430-gcc: command not found” there’s something wrong with your path to the MSPGCC tools.
Connecting to the chip
MSPDebug is what we use to connect to the chip. The following command will most likely NOT work for you:
mspdebug rf2500
Spitting out the error message:
Trying to open interface 1 on 033
rf2500: warning: can't detach kernel driver: Operation not permitted
rf2500: can't claim interface: Operation not permitted
rf2500: failed to open RF2500 device
This is most likely caused by a permission problem. This will work if you add ‘sudo’ to the beginning but that’s not ideal. Let’s add a UDEV rule to take care of the Launchpad every time we plug it in. We need to create a rule file that has this line of code in it:
ATTRS{idVendor}==&quot;0451&quot;, ATTRS{idProduct}==&quot;f432&quot;, MODE=&quot;0660&quot;, GROUP=&quot;plugdev&quot;
Use nano to open and edit this file. Press CTRL-X to exit when you’re finished, then reload UDEV:
sudo nano /etc/udev/rules.d/46-TI_launchpad.rules
sudo restart udev
*** If you need more help with this, take a look at
our guide to writing udev rules
***
Unplug the Launchpad and plug it back in. Make sure you’re in the same directory as the ‘main.elf’ file created by the compiler earlier. Now give MSPDebug another try:
mspdebug rf2500
Now you will be greeted with the (mspdebug) prompt. It’s just a matter of programming the chip and running that program:
prog main.elf
run
Both LEDs will start blinking at about 1 Hz. Congratulations, you’ve compiled and loaded a program using open source tools.
A look into how the code works:
Let’s take a quick look into how this simple program works in an effort to get you comfortable with learning to code with MSPGCC. The keywords used in the code are defined in the include files from MSPGCC. You need to spend some time in the /opt/msp430-gcc-4.4.3/msp430/include/msp430 directory until you get used to the keywords. Once you get the hang of it you can probably guess new keywords based on what you read in the datasheets for the microprocessors.
Our code blinks two LEDs. Blinking means we need to use some method of tracking time. First let’s investigate the system clock:
Download a copy of
the MSP430x2xx family datasheet
(we’re using Rev. E) and follow along. This is a more useful document than the chip-specific datasheet as it lists the operating information for all of the peripherals.
Review the various system clock features in Section 5.1 paying attention to LFXT1CLK, VLOCLK, and ACLK. Next read Section 5.2 on page 289 which tells us that after power-up the system clock will be running at 1.1 MHz. If we used the system clock for timing we’re going to have trouble counting high enough with a 16-bit timer for a meaningful delay. Be we can use the auxiliary clock instead. The same page of the datasheet tells us that the ACLK is sourced from LFXT1CLK (an external crystal or clock source) but let’s change that. The VLOCLK can be used as a source for the auxiliary clock and it runs at 12 kHz, so 1-second timing is well within the range of a 16-bit counter. Let’s set up the clock source. Section 5.2.2 clearly tells us “VLOCLK source is selected by setting LFXT1Sx = 10 when XTS = 0.”. Now we just check the register description until we find that LFXT1S is set on register BCSCTL3 and then write code to implement this setting:
BCSCTL3 |= LFXT1S_2;
Next we want to set up an interrupt based on the auxiliary clock. In Section 12 you can read about TimerA. We’ll configure it to run in UP mode. On page 410 the configuration of the timer control register TACTL is covered. We need TASSELx to be set to use ACLK and MCx configured for UP mode. Notice that the settings for each portion of the register are listed in binary next to the description. We can use these to select the proper bits. Setting the MC bits to 1 (binary 01) and TASSEL bits to 1 (binary 01) with the following code:
TACTL |= TASSEL_1 | MC_1;
Now we must enable the capture/compare interrupt for TimerA compare/capture register 0:
TACCTL0 = CCIE;
Now we can start the timer by writing a value to it. Because we are using the internal very low oscillator at 12 kHz, we can count up to 11999 to keep track of about 1 second passing (0 is counted and that’s why we set the compare match for one cycle less than the clock speed):
TACCR0 = 12000;
And finally we enable global interrupts:
eint();
Now we just need some code in an Interrupt Service Routine that will toggle the LEDs:
interrupt(TIMERA0_VECTOR) TIMERA0_ISR(void) {
LED_OUT ^= (LED0 + LED1); //Toggle both LEDs
}
We pulled all of this together to make the example file. Take some to trying to understand what the datasheet is telling you. Although they can be confusing, everything you need to know is there.
Resources:
Our example code
Using the TI MSP430 LaunchPad with Ubuntu 10.04
Installing MPSGCC4 and MSPDEBUG on Kubuntu 10.04
MSP430 Launchpad on Linux
MSPGCC
MSPDebug
MSP430G2313 Datasheet
(PDF)
MSP430x2xx Family Datasheet
(PDF)
TI MSP430 Launchpad Wiki
How to write udev rules
| 139
| 50
|
[
{
"comment_id": "167659",
"author": "JMLB",
"timestamp": "2010-08-11T20:02:41",
"content": "Still waiting for mine I ordered it 1 day after it came out and it was back ordered until September 13 at mouser",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167660",
"author": "JMLB",
"timestamp": "2010-08-11T20:09:44",
"content": "good article though",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167662",
"author": "Russ Weeks",
"timestamp": "2010-08-11T20:14:09",
"content": "Very cool! Thanks for the article.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167664",
"author": "BR",
"timestamp": "2010-08-11T20:18:02",
"content": "Only 3 months of backorder so far. I hope to have it in september. I was looking at the other 430 offerings that TI has available with some interest.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167667",
"author": "iv_s",
"timestamp": "2010-08-11T20:27:49",
"content": "I compiled mspgcc and mspdebug under Mac OS X.When I start ‘mspdebug rf2500’ I get:rf2500: can’t claim interface: Permission deniedrf2500: failed to open RF2500 deviceand with ‘sudo’ the same.As far as I known – there is no udev on Mac, what should I do?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167670",
"author": "Stealth-",
"timestamp": "2010-08-11T20:31:05",
"content": "Very nice, it looks like I’m going to buy one of these afterall :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167671",
"author": "Spork",
"timestamp": "2010-08-11T20:31:12",
"content": "Got 2/3 shipments of my orders, not sure what’s up with yours.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167672",
"author": "regomodo",
"timestamp": "2010-08-11T20:33:12",
"content": "Still waiting for my that I ordered over a month ago (there was no warning about backorder/stock at the TI site).Bookmarking this page for when the damn things eventually turn up.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167673",
"author": "UltraMagnus",
"timestamp": "2010-08-11T20:39:58",
"content": "great article, but I think it quite graphically illustrates why this thing is absolutely no arduino killer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167678",
"author": "Osgeld",
"timestamp": "2010-08-11T21:00:15",
"content": "I ordered mine the day after announcement, and have had it long enough that I actually cut it in 2 trying to make a useful jtag / usb serial converter (the 2 chips on the emulator part are far more interesting than the ones they give you)4.30$ yea if you want to fool with it (and I have a whole host of reasons to let this one pass)arduino killer? not that they ever really marketed it like that but where is the community, scattered, and that is #1 on the arduino list of pluses",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167683",
"author": "K. Kiser",
"timestamp": "2010-08-11T21:13:21",
"content": "This is great! I, like everyone else, am waiting on mine to ship. Hope it’s here before I’m shipped off!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167684",
"author": "hyte",
"timestamp": "2010-08-11T21:15:37",
"content": "no gui, too much hassle for me. I’ve just refurbished an old xp computer to try this instead of the coridium board i like.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167687",
"author": "SAGE",
"timestamp": "2010-08-11T21:19:59",
"content": "I bought 2 from mouser a few days after release and got them weeks ago",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167689",
"author": "Brennan",
"timestamp": "2010-08-11T21:22:57",
"content": "@UltraMagnusWho was saying it was going to be an Arduino killer? I thought the goal of the project was to get some low-cost TI uC development tools in our hands.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167696",
"author": "epooch",
"timestamp": "2010-08-11T21:28:40",
"content": "@ iv_s:Mac OS X HID driver is probably loading the USB device. see the instructions for the codeless kext:the the bottom of theMSPDebug download page <http://mspdebug.sourceforge.net/download.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167697",
"author": "WestfW",
"timestamp": "2010-08-11T21:29:29",
"content": "There are new instructions for getting mspdebug to work on MacOSX at the mspdebug site (http://mspdebug.sourceforge.net/download.html)(I’ve been busy!)(I’m not sure whether anyone had tried these with a LaunchPad yet. They were developed based on earlier similar msp430 tools.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167700",
"author": "NatureTM",
"timestamp": "2010-08-11T21:30:16",
"content": "I’ve used linux for a long time, but now only on my server. All the freedoms of linux sure come with a lot of limitations. I kept wanting to run programs that only worked with windows. Wine didn’t always cut it. It’s the same reason I don’t use a mac for my main computer. I’ll stick with TI’s code composer studio. It’s Eclipse based, and I’ve been enjoyed using its nice integrated debug environment.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167721",
"author": "Jkx",
"timestamp": "2010-08-11T22:55:02",
"content": "Did you manage to have the serial port to work well ?On mine, the serial port works randomly on linux (fine on windows). I tested on two boards w/ the same result. I read MacOS users seems to have same issue too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167731",
"author": "TC",
"timestamp": "2010-08-11T23:40:36",
"content": "SWEET! Another thing I can use without needing to reboot into Windows! Woohoo!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167737",
"author": "GCL",
"timestamp": "2010-08-12T01:01:27",
"content": "And why was Linux development instructions provided only for Ubuntu?There are others, specifically Slackware. It happens to be the oldest one out there.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167741",
"author": "Hitek146",
"timestamp": "2010-08-12T01:48:23",
"content": "Damn, now I wish I had ordered one of these while the $5 offer was still in effect. Or maybe it is still in effect. Off to search… :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167743",
"author": "plaes",
"timestamp": "2010-08-12T01:57:34",
"content": "Hrm.. another “How-to: lets do something with Linux”, but Linux is mentioned inside the article only once, stating how hard it is to do something there… And then continues on talking about Ubuntu ;)Guys, please edit these kind of articles like this: first, mention the software one needs to get things done on Linux (ie mspgcc and mspdebug) and then continue on with distribution specific packages.Thanks from the other Linux distribution user.And also: `sudo make install` is generally a no go: please use `configure –prefix=$HOME/foo && make` :S",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167751",
"author": "nave.notnilc",
"timestamp": "2010-08-12T02:19:44",
"content": "of course mspgcc doesn’t include a GUI, it’s a compiler. you can use any linux IDE with it.have a makefile :Phttp://pastebin.com/0FBBN1Cx",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167752",
"author": "nave.notnilc",
"timestamp": "2010-08-12T02:23:11",
"content": "oh, incidentally, anyone done any interesting stuff using the USB connection with one of these yet?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167769",
"author": "iv_s",
"timestamp": "2010-08-12T04:11:16",
"content": "@ epooch, WestfWThanks for info. Some changes, but still note working,After installing kernel extension I start mspdebug and it hangs on:Trying to open interface 1 on 003If I pull out LaunchPad I get:Initializing FET…rf2500: can’t send data: Result too largefet: open failedAny ideas?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167770",
"author": "Urza9814",
"timestamp": "2010-08-12T04:13:42",
"content": "I tried this back when I first got my Launchpad, but it never worked. I mean, it would seem to work, it would compile and download, but the code would never run. Instead I’m using CCS on Windows XP running on VirtualBox. Wish I could make it work on Linux, but something about it is screwy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167773",
"author": "Osgeld",
"timestamp": "2010-08-12T04:18:09",
"content": "the usb chip feeds another msp430 mcu above it, the problem is the 12mhz clock is connected to the smd 430, then piped out of that into one of the xtal pins on the usb chipso, you either have to reprogram the emulator MSP chip, the usb converter chip (which does irda and 485 too) or maybe bothyou cant cut n play, its usb serial mcu bit banger / emulator serial targer MSP",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167774",
"author": "Osgeld",
"timestamp": "2010-08-12T04:18:46",
"content": "replying to nave.notnilc btw :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167779",
"author": "Drone",
"timestamp": "2010-08-12T05:05:07",
"content": "A perfect example of why Linux hasn’t taken surpassed Windows. Until Linux has a framework for simply adding and removing pre-compiled binaries that works across most distributions, it will continue to languish. Don’t get me wrong, I like Linux and xBSD and use them in preference to Windows wherever possible. But just saying…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167780",
"author": "e02jr",
"timestamp": "2010-08-12T05:05:22",
"content": "Sweet, now I might get my ass out of the wagon and actually try and use them… =o)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167781",
"author": "blocke",
"timestamp": "2010-08-12T05:07:11",
"content": "I refuse to believe that these Launchpads actually exist.Ordered #2, still hasn’t shipped, mouser shows 11 weeks leadtime? Really?Even if TI got me interested in using their stuff knowing that I could never expect to get things in a reasonable timeframe kills it.I can go to Sparkfun and get any number of Arduino boards delivered in 3 days. Where can I get the Launchpad? Nowhere./rant",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167782",
"author": "Drone",
"timestamp": "2010-08-12T05:07:52",
"content": "In my post above, “pre-compiled binaries” is probably a bit of a stretch, at least the compile process should be uniform across distributions and automated in a user-friendly add-remove program framework.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167785",
"author": "charper",
"timestamp": "2010-08-12T05:40:35",
"content": "@DroneEvery consumer-oriented linux distribution (Redhat, Fedora, Ubuntu, Debian, Caldora, just off the top of my head) has a nice graphical package manager.The package manager downloads, installs, and automatically updates pre-compiled binaries for almost everything you’d ever want. I’m pretty sure mspgcc is actually available in most distros.As a quick aside, I think it’s actually a place where linux has completely obliterated windows in functionality. There’s one central program that manages updates foreverythingyou install, OS, drivers, and applications.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167789",
"author": "vinito",
"timestamp": "2010-08-12T06:43:13",
"content": "Orrrrr….you can do what I did and just kludge together an old PC to run Windows so I can do my micro stuff.TI is just like everybody else (AVR, PIC, etc.) in that they certainly aim it at Windows, unfortunately. I do Linux on everything but micro stuff, and use the old frankenPC with Winblows XP just for my micro stuff.Good to know this article is here though. I will try the steps someday and see how it works.BTW, last I heard even TI’s packaged Windoze thing isn’t that easy to deal with (haven’t tried it yet). So yea, not quite an Arduino competitor. But it is pretty cool for the money.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167794",
"author": "JoSSte",
"timestamp": "2010-08-12T07:13:54",
"content": "I received my board weeks ago but haven’t taken the time to set it up yet. I use Ubuntu for my µC work – so I’ll definitely be reading this article thoroughly some time in the future.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167795",
"author": "errol",
"timestamp": "2010-08-12T07:22:53",
"content": "Why is it that every time I touch something that has “mspgcc” & “Ubuntu” on it, it breaks?First it was version 3.2.3, (never did get that going) now 4.4!~$ sudo apt-get install subversion gcc-4.4 texinfo patch \\> libncurses5-dev zlibc zlib1g-dev libx11-dev libusb-dev \\> libreadline6-devReading package lists… DoneBuilding dependency treeReading state information… DoneE: Couldn’t find package gcc-4.4(I’m beginning to think I should go dig holes or something)So, where is gcc-4.4 ?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167800",
"author": "Rogan",
"timestamp": "2010-08-12T08:35:22",
"content": "Nice article. Thanks.And to the hater who wants it done generically, so that Slackware user can follow along, surely you Slackware users can figure it out for yourselves?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167805",
"author": "ftorama",
"timestamp": "2010-08-12T09:39:45",
"content": "I ordered mine at the beginning of July. I called last week and learnt they hat 6000 orders that were not delivered yet and that I was in rank 5000 to receive one.I definitely don’t wait for it anymore. Hopefully, i didn’t really needed it but wanted to test.Perhaps I’ll find it under the Christmas tree.Anyway, it’s not very serious from such a big company not to be able to deliver 6000 pieces.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167818",
"author": "yo9gjx",
"timestamp": "2010-08-12T10:52:23",
"content": "good article and tutorial, thank you",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167832",
"author": "fartface",
"timestamp": "2010-08-12T11:43:12",
"content": "With all the Duino’ love here why not a Arduino linux howto? Get the n00bs up to speed using a real OS for dev work.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167837",
"author": "garhol",
"timestamp": "2010-08-12T12:35:56",
"content": "Nice article and useful information. Ta",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167863",
"author": "matt",
"timestamp": "2010-08-12T14:55:22",
"content": "Boommarking, thanks for reminding me that my first day order is still on backorder.Not an arduino killer, but hopefully a solution to the arduino overkill. Somethings really don’t need to be running on a sanguino.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167864",
"author": "Mad sientist",
"timestamp": "2010-08-12T14:56:40",
"content": "@ ftorama 6000 orders does not mean 6000 pieces many people ordered two or three so at least 12000 pieces",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167866",
"author": "osgeld",
"timestamp": "2010-08-12T15:00:26",
"content": "“Not an arduino killer, but hopefully a solution to the arduino overkill. Somethings really don’t need to be running on a sanguino.”you know these things are more powerful than the arduino lineup right?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167874",
"author": "nave.notnilc",
"timestamp": "2010-08-12T15:34:32",
"content": "you don’t need an arduino tutorial, you just download and install a .deb and the IDE shows up in your menu, or you can use a ppa, it’s really easy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167935",
"author": "WestfW",
"timestamp": "2010-08-12T18:26:39",
"content": "BTW; my launchpad is still backordered (from early July), but my MSP430g samples arrived in 5 days… (now, to put together that PCB.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167957",
"author": "Gnu",
"timestamp": "2010-08-12T19:43:15",
"content": "I got my launchpad just two weeks after I ordered and that was an international delivery. I just have to find the time to actually do something with it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167976",
"author": "WestfW",
"timestamp": "2010-08-12T20:55:42",
"content": "(I hope the people complaining the “I can’t be bothered unless there’s a GUI” are not the same people who complain about “too many” Arduino-based Hack-a-Day postings. Sheesh!)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167983",
"author": "coreyl",
"timestamp": "2010-08-12T21:12:51",
"content": "@osgeldNo. The ATmega328p is significantly more capable than the low-end MSP430G2xx parts that the Launchpad includes and supports.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168248",
"author": "Ryan Barrie",
"timestamp": "2010-08-13T16:24:04",
"content": "I got mine quickly from newark.com and they might still have them, but shipping isn’t free.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,393.328699
|
||
https://hackaday.com/2010/08/11/droidx-gets-a-custom-recovery-image/
|
DroidX Gets A Custom Recovery Image
|
Caleb Kraft
|
[
"Android Hacks",
"News"
] |
[
"droid",
"droidx",
"motorola",
"rom",
"root"
] |
[Birdman] has managed to
push a custom recovery image to the DroidX
. This previously impossible action opens the doors to all kinds of fun hacking. While you can’t just drop a custom Rom on the phone right now, this is the first step in making that happen. You can find the directions in the post, but they’ve got a while to go before they become as easy as something like a jailbreak.
[via
phandroid
]
| 18
| 18
|
[
{
"comment_id": "167650",
"author": "Zachariah Perry",
"timestamp": "2010-08-11T19:24:23",
"content": "Awesome.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167665",
"author": "MS3FGX",
"timestamp": "2010-08-11T20:23:20",
"content": "Good news, as I am not about to abandon my current Droid for an X or Droid 2 unless I have the same level of software-freedom as I do now.My overclocked Droid already performs on par with the Droid X/2, so I need a pretty compelling reason to put out the cash for new hardware.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167679",
"author": "Heatgap/Ho0d0o",
"timestamp": "2010-08-11T21:02:06",
"content": "@MS3FGX Same here. I’m using cyanogenmod on my Droid and I love it. I can do wifi tether now with it, which makes it fun to play around with ‘man in the middle’ attacks.The only thing the X has that I want is HDMI out and the gigantic screen. Other than that im content with my Droid’s hackability.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167685",
"author": "NatureTM",
"timestamp": "2010-08-11T21:17:32",
"content": "Thank God, I was not happy when I got home with my new phone and found out it was “special” in a bad way.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167722",
"author": "Sean",
"timestamp": "2010-08-11T23:03:22",
"content": "@Heatgap/Ho0d0o Can you get your Exchange calendar on your cyanogenmodded phone? I had to restore my Droid to stock because I couldn’t find a way to load the “Corporate Calendar” app on the modded phone.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167725",
"author": "Chriggy",
"timestamp": "2010-08-11T23:14:40",
"content": "You ARE aware that the X has already been rooted as of a few weeks ago, right?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167726",
"author": "xeracy",
"timestamp": "2010-08-11T23:15:19",
"content": "@NatureTM – yup… same boat. I knew it was a matter of time, but the roadblocks verizon and motorola throw up is just frustrating…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167728",
"author": "xeracy",
"timestamp": "2010-08-11T23:24:37",
"content": "@Chriggy – Rooting != custom rom booting.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167729",
"author": "MS3FGX",
"timestamp": "2010-08-11T23:32:12",
"content": "Getting root on the stock firmware is nice, but it’s a far cry from being able to install custom ROMs and kernels, which is where things get really interesting.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167730",
"author": "xorpunk",
"timestamp": "2010-08-11T23:34:22",
"content": "Another populer device hacked..reverse engineering didn’t exist before the iphone XD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167764",
"author": "Aaron",
"timestamp": "2010-08-12T03:25:04",
"content": "“Another populer device hacked..reverse engineering didn’t exist before the iphone XD”Did anyone else LOL at this?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167777",
"author": "Summer Glau",
"timestamp": "2010-08-12T04:37:01",
"content": "@niglouObviously you have never been involved in a hacking community, there are several stages that lead up to the complete hacking of a phone or any device, and running a custom image is one of those stages. Also your poor spelling and grammar lead me to believe that you are as uneducated in English as you are in the area of hacking.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167783",
"author": "xrazorwirex",
"timestamp": "2010-08-12T05:09:11",
"content": "@Aaron – I think that was the point.at least I hope so…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167847",
"author": "Eric",
"timestamp": "2010-08-12T13:53:31",
"content": "“Another populer device hacked..reverse engineering didn’t exist before the iphone XD”Did anyone else LOL at this?Posted at 8:25 pm on Aug 11th, 2010 by AaronYes as a matter of fact i did!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167850",
"author": "xorpunk",
"timestamp": "2010-08-12T14:00:22",
"content": "@Aaron: I was just poking fun :pApparently fuzzing and using stack overflows to dump then reverse on ARM is cooler when it’s on a device used by people who have no idea how the tech works only that it’s expensive and reflects status in society.If you look at any of these new cellphone jailbreaking and reversing scenes, it’s the same mentality as the warez scene..people are interested cause they are getting free stuff, and the hackers are interested because the consumers show fake interest in their work because of the assets.There is stuff a lot harder even on x86 if it was just about hacking and reversing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167926",
"author": "criznach",
"timestamp": "2010-08-12T17:56:37",
"content": "I think it’s safe to say that reverse engineering has been going on for nearly as long as engineering itself.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168008",
"author": "wdfowty",
"timestamp": "2010-08-12T22:31:48",
"content": "Is this the same mrweeeeeedbirdman that rooted the device?/offtopic/I HATE the droid for one reason: Verizon has brainwashed everyone into thinking Droid and Android are interchangeable terms.It’s a cool phone, but my nexus runs circles around it :P. And once the GalaxyS gets FroYo, it’ll run laps around my nexus. Hell, they’re already out-benchmarking the nexus on Eclair…/offtopic/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168249",
"author": "cantido",
"timestamp": "2010-08-13T16:26:40",
"content": "@Summer Glau“community”You mean one person doing stuff and lots of other people waiting around on forums for “stuff to happen”?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,393.380275
|
||
https://hackaday.com/2010/08/11/msp430-based-single-led-clock/
|
MSP430 Based Single LED Clock
|
Mike Szczys
|
[
"clock hacks"
] |
[
"bi-color",
"clock",
"kenneth finnegan",
"launchpad",
"led",
"msp430",
"msp430g2101"
] |
[Kenneth Finnegan’s]
latest clock
makes use of the TI Launchpad for programming and debugging MSP430 microprocessors.
We took a look at the Launchpad
when it was released and we’re glad to see some hacks resulting from availability of that tool. The clock reads out the time using a bi-color LED. Press the button and a series of flashes will tell you the time. A three-position toggle switch is used along with the push button for setting the time. The protocol he developed is outlined in his demo video after the break.
We like [Kenneth’s] use of a plastic electrical box as a project box. They’re cheap and you can find them everywhere in many different sizes. He mentions the difficulty in drilling through the faceplate. We’ve had our share of shattered plastic trying to drill holes in the darn things. If you’ve got some tips on faceplate-modification we’d love to hear them.
This clock is sure the polar opposite from
the TTL clock
that [Kenneth] showed us back in March, trading jumper wires for lines of code. We’re going to give this one a try, hopefully fixing the button debounce along the way.
[youtube=http://www.youtube.com/watch?v=JcTP4OqlTfs]
| 62
| 50
|
[
{
"comment_id": "167617",
"author": "P2 of BORG",
"timestamp": "2010-08-11T18:15:23",
"content": "Have you ‘tried’ using a vinyl (flexible) faceplate?Works like a charm! :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167620",
"author": "Vonskippy",
"timestamp": "2010-08-11T18:24:19",
"content": "NAUC (not another useless clock).If you can’t improve the analog clock – which has been around for centuries – which takes a mere glance, yes just 1/2 second or so to tell the time – why bother?Clock projects – unless they involve excellent craftsmanship (which definately eliminates projects using plastic wall boxes) are the “hello world” of electronic projects. How many times can we pretend to be impressed and say “good job”?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167621",
"author": "TJ",
"timestamp": "2010-08-11T18:25:44",
"content": "doesn’t a bi-color led mean only two colors?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "167626",
"author": "Mike Szczys",
"timestamp": "2010-08-11T18:33:56",
"content": "@TJ: Nope, there are two colors but they can both be turned on at one time creating a third.@NAUC: Yep, this is the hello world of MSP430 projects for [Kenneth]. I love seeing people do things with new hardware, and if you have to have a reason to built it, you’ve missed the point of Hackaday. The point of the project is to build the project, not necessarily what it will do, or why you want it done.",
"parent_id": "167621",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "167622",
"author": "yeahok",
"timestamp": "2010-08-11T18:30:51",
"content": "unibit.just spend the money.it will be your new bff.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167625",
"author": "MycroSopht",
"timestamp": "2010-08-11T18:33:17",
"content": "no bi-color led’s can be 3 colors",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167627",
"author": "lwatcdr",
"timestamp": "2010-08-11T18:36:33",
"content": "For drilling a hole I suggest using a small bit then using a t-handled reamer to finish the hole to size.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167628",
"author": "Mike Szczys",
"timestamp": "2010-08-11T18:37:43",
"content": "@lwatcdr: Does that leave a clean hole? I’ve had problems with chipping when using a drill bit.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167630",
"author": "catzburg",
"timestamp": "2010-08-11T18:45:31",
"content": "any body tried melting a hole with a soldering iron? You’ll want an old tip, but it should work. Or try heating the drill bit",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167631",
"author": "MycroSopht",
"timestamp": "2010-08-11T18:46:22",
"content": "Try using some Masking tape on both sides this could help with the chipping.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167632",
"author": "emilio",
"timestamp": "2010-08-11T18:46:45",
"content": "drilling through thin plastic?TAPE! tape, tape, tape.experiment with layers of masking, painter’s masking, or packing tape that’s appropriate for the surface finish (easy adhesive removal) and the type of drilling you’re doing (don’t ever use fibrous tape unless it’s a big-ass hole, >1″).sometimes a single square right where you’re drilling will do the trick, sometimes several layers in rows or an X are needed. i haven’t needed it on both sides of the plastic, but i could see it being necessary for very thin, brittle plastic like a transparent CD case.this trick also works very well for preventing chips when driving nails in to plaster or brittle/bare drywall. i imagine it could help with drilling or cutting painted surfaces that are at risk of chipping.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167633",
"author": "MycroSopht",
"timestamp": "2010-08-11T18:48:22",
"content": "Ohh, another thought try using an end mill bit in a drill press setup we use this where i work to mill plastic parts.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167635",
"author": "Nathan Zadoks",
"timestamp": "2010-08-11T18:50:55",
"content": "Bi-colour LED have *four* colours.The two normal colours, them both combined and.. black. =)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167636",
"author": "Aaron",
"timestamp": "2010-08-11T18:52:12",
"content": "omg how did you get this, mine has been backordered until forever!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167637",
"author": "Osgeld",
"timestamp": "2010-08-11T19:00:22",
"content": "let me toss my hat in for a ton of tape on thin plastic, at work I have to sometimes cut into or drill piano case parts, which is coated with a thin layer of polyester as its finishsome painters tape and patience Ive sent them through drill bits, band saws, hand saws, and a table router without chips",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167638",
"author": "Osgeld",
"timestamp": "2010-08-11T19:01:31",
"content": "oh and far as the MSP430, am I the only one who thinks learning its Assembly language would be less confusing than their C?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167639",
"author": "matt",
"timestamp": "2010-08-11T19:01:41",
"content": "To drill through a plastic or metal face plate use a center punch so your bit doesn’t walk then start with a small hole e.i. 1/8″ then finish the whole using a step bit also known as a unibit",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167640",
"author": "exastify",
"timestamp": "2010-08-11T19:03:42",
"content": "Their C is just as confusing as 8-bit AVR and PIC.Actually for me it is a lot less confusing, the Launchpad comes with debugging, which is pretty neat since you have to shell out a lot for a debugger for AVR or PIC.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167641",
"author": "isama",
"timestamp": "2010-08-11T19:07:18",
"content": "i’m not sure what kind of material it is, but i’d try putting the cover face down onto a piece of relatively soft wood and slowly drill into it with a drillbit for metals at high rpm :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167642",
"author": "Osgeld",
"timestamp": "2010-08-11T19:09:32",
"content": "high rpm would melt the plastic, which may or may not be a big deal",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167645",
"author": "Danaki",
"timestamp": "2010-08-11T19:17:41",
"content": "interesting project. nothing wrong with a “hello world” project, everyone does it with every programming language they pick up :)I am, however, very jealous that you’re launchpad is not like mine, backordered :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167646",
"author": "Danaki",
"timestamp": "2010-08-11T19:18:59",
"content": "ugh… i spelled “your” “you’re”… and I didn’t see it until I posted it and read my comment. Forgive me :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167649",
"author": "Brennan",
"timestamp": "2010-08-11T19:23:12",
"content": "Boy I would hate to read the time 1 second before midnight or noon on this thing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167663",
"author": "Kenneth Finnegan",
"timestamp": "2010-08-11T20:15:55",
"content": "Thanks guys. I’m probably going to have to replace the button, since it’s also flaky, on top of the lack of software debounce problem.@TJ,MycroSopht: The colors red and green have this very cool property that when you mix them, they make yellow.The tape sounds like a good idea. We figured center-punching it would break it, so we heated a nail to melt a centering dent (smelled HORRID!), then did two sizes of drill. There was some chipping depending on how hard you blew through the back side. I found turning the plate over after the first hole helped greatly.I spent the week after they announced the Launchpad with the eStore open in a tab hitting refresh. I finally managed to get an order in for two at 3am, and they came a few weeks later.@Brennan: That’s why I have the blink rate so high. Once you get the feel for the rhythm of the display, it’s pretty easy to count.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167666",
"author": "Kenneth Finnegan",
"timestamp": "2010-08-11T20:23:36",
"content": "HaD: It looks like you’re possibly missing the actual link back to my original article?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167682",
"author": "Brennan",
"timestamp": "2010-08-11T21:11:26",
"content": "@KennethAh, cool! I didn’t see that part",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167686",
"author": "CutThroughStuffGuy",
"timestamp": "2010-08-11T21:17:57",
"content": "Acrylic bit? Laser cutter? Waterjet cutter?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "167690",
"author": "Mike Szczys",
"timestamp": "2010-08-11T21:26:05",
"content": "@Kenneth: Ack! Yes…. I’ve added it now. Sorry.",
"parent_id": "167686",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "167695",
"author": "sparkInTheDark",
"timestamp": "2010-08-11T21:28:00",
"content": "Why not use a low power RS Flip-Flop to debounce your button? The only drawbacks would be a little more power sucked away from your battery and the cost of another part. –Just throwing around ideas.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167698",
"author": "zool",
"timestamp": "2010-08-11T21:29:47",
"content": "clock is a little confusing, but this is cooli’ve wondered about using those containers for project boxes but the shape is a little odd and most of the blue containers you see in hardware stores have holesdid he program on launchpad then just pop it outcould have used four or five leds to make it less confusingcode?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167699",
"author": "john",
"timestamp": "2010-08-11T21:30:15",
"content": "a combination of melting the hole with an old soldering iron, using a pliers to pick off or razor blade to cut off the melt over, and then gently ream with a screwdriver or drill bit to fine fit the size of the hole.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167701",
"author": "Captain Zilog",
"timestamp": "2010-08-11T21:30:41",
"content": "On faceplates…Mark your spot well – fine tip is great if you have decent motor control.Heat up your soldering iron. Once hot, press the tip into the center of your mark.You don’t have to go clean through to get a good pilot hole.Drill at highest speed possible with metal bits, but press slooooowly…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167702",
"author": "GeekDoc",
"timestamp": "2010-08-11T21:38:20",
"content": "Front plate solutions:1) Buy the cheaper plates. They’re softer plastic.2) Buy the more expensive metal plates.Either way works, depending on your needs. Just don’t get the brittle (Bakelite?) version.-Doc",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167709",
"author": "NatureTM",
"timestamp": "2010-08-11T21:47:06",
"content": "I gotta say I love the launchpad. It took me a little while to get on my feet as my only previous uC experience was with Arduino. I feel pretty comfortable now. I don’t really think the C was that bad, and yes, the debugger is nice. The hardest part for me was realizing I had been looking at the wrong datasheet for about two days. Maybe I don’t know what I’m talking about, but it seems weird to name your MSP430 chips MSP4302xxx, MSP4304xxx etc…, and then come out with a new series MSP430G2xxx. Prolly I’m dumb ;-) Anyway, it worked very great for analyzing some analog signals, and I’m really hoping the community gets behind the Launchpad.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167718",
"author": "localroger",
"timestamp": "2010-08-11T22:42:39",
"content": "You can get faceplates made of both finished and unfinished wood — not even a specialty item, Home Depot and Lowes carry them. They’re a couple of bucks insteadof 15 cents but look a lot better, take paint and stain, and are far far easier to modify.In a similar vein you can also get stainless steel faceplates intended for bathrooms, which are easier to work with if you know how to drill metal (lubricant!).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167719",
"author": "GeekDoc",
"timestamp": "2010-08-11T22:48:41",
"content": "@NatureTM:Any code to share with the rest of us beginners?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167732",
"author": "Kinell",
"timestamp": "2010-08-11T23:51:40",
"content": "Grind a small flat on the cutting edges of the drill bit to purposelyblunt it. This stops it from taking a deep bite and servoing itselfinto the soft material.Clamping the job securely to a flat backing surface stops the drillfrom bursting through and making a mess of the reverse surface.Or, more expensive, use a step or cone drill which gives you theoption of drilling a range of hole sizes with the same bit.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167733",
"author": "Kenneth Finnegan",
"timestamp": "2010-08-12T00:04:48",
"content": "@sparkInTheDark: It would have to be a CRAZY low power flip-flop. The chip is rated for something like 0.8uA draw in RTC mode like this. Really I just need to use the second Timer_A CCR register to delay multiple calls.Thanks Mike.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167734",
"author": "corwin",
"timestamp": "2010-08-12T00:05:45",
"content": "I gave up on the ti estore and just ordered mine from Mouser the day it came out. Supposedly it ships next week :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167736",
"author": "Amos",
"timestamp": "2010-08-12T00:55:49",
"content": "This should clear up the nomenclature confusion:http://en.wikipedia.org/wiki/Led#Application-specific_variationsAlthough, with PWM, “tri-color” is really a misnomer… You can actually have hundreds or thousands (or millions?) of mixtures between the two colors on the die. Probably more than the human eye can distinguish…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167742",
"author": "Wes",
"timestamp": "2010-08-12T01:54:54",
"content": "They make special bits for drilling plastic, or you can modify your own. They basically have a different point angle, and the leading edge is dulled so as not to snag the edge and crack it.See:http://www.mcmaster.com/#drill-bits-for-plastics/http://www.hawkfish.org/snailman/acrdrill.htm",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167744",
"author": "Osgeld",
"timestamp": "2010-08-12T02:06:30",
"content": "I call them bi-color cause there is only 2 primaries to mix, what you do with them after that is your call",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167747",
"author": "Hitek146",
"timestamp": "2010-08-12T02:16:07",
"content": "As for making the hole…I have to drill faceplates all the time, and it is true that the standard plastic faceplates are very fragile. As stated above, the flexible vinyl faceplates are easily drilled. If you must drill one of the fragile ones, you should heat a new metal drill bit, place the faceplate face-down on a soft wooden surface, and, using layers of tape to help, drill in HIGH SPEED IN REVERSE. With a new sharp bit, this will partially drill while partially melting a nice, clean hole… :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167754",
"author": "larry wheeler",
"timestamp": "2010-08-12T02:54:11",
"content": "I’m jealous as well. I have been waiting 2 months for my launch pad and chronos watch. In the last week I have seen this and that rock em sock em with 4 watches. Geez TI let’s us play too….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167763",
"author": "Geeklord",
"timestamp": "2010-08-12T03:17:48",
"content": "Glad I’m not the only one with bounce issues…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167798",
"author": "Rogan",
"timestamp": "2010-08-12T08:14:08",
"content": "Thanks for this tutorial. I’ve been looking forward to getting started with the free software versions of the MSP430, but wasn’t entirely sure that the code would be exactly the same.One thing that I found interesting about the Launchpad is that it contains a number of fairly high-powered chips on the debug/programmer side of the board. Specifically, the TUSB3410 USB-Serial convertor, which has quite a lot of RAM, and can be programmed using 8051 code (not exactly sure how), and the M430F1612 (16-bit Ultra-Low-Power MCU, 55kB Flash, 5120B RAM, 12-Bit ADC, Dual DAC, 2 USART, I2C, HW Mult, DMA).I think it could be really interesting to see what else these boards can be programmed to do. e.g. a proper (full) JTAG adapter, perhaps, rather than the parport/wiggler clones, etc.The Launchpad boards have a number of test points(? TP1-7) and extension points (J4), which are located on the programmer/debugger side of the board, and are probably connected to different pins to the J3 jumper block.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167809",
"author": "ewertz",
"timestamp": "2010-08-12T09:51:17",
"content": "@Geeklord: Manboobs ?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167916",
"author": "signal7",
"timestamp": "2010-08-12T17:28:03",
"content": "I use a combination of a 1/8th inch carbide drill bit and a unibit (stepped drill bit used for thin materials) to make holes in hard materials.For one project I did, I drilled 16 holes into one faceplate and didn’t have any issues with chipping or cracking.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167933",
"author": "sparkInTheDark",
"timestamp": "2010-08-12T18:20:54",
"content": "Hey thanks for the reply Kenneth. You’ve got a point there. I’ve always been plagued by my want to add more parts. Good job on the build.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167934",
"author": "jason",
"timestamp": "2010-08-12T18:25:06",
"content": "A good way to “drill” holes in all sorts of thin and soft things, especially really small holes, is with ball burrs in a flex shaft or rotary tool.For especially brittle things you burr through one side until breakthrough, then finish the hole from the opposite side.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167950",
"author": "firestorm_v1",
"timestamp": "2010-08-12T19:26:00",
"content": "The best way to drill through a “hard” faceplace is with a drill press (or a very stable hand drill) at low speed.The material is usually bakelite and while strong in it’s fabricated form, is very brittle to work with after the fact. I’ve shattered a few myself and it took a bit to learn the trick.The hardest point and what will usually result in a shattered plate is when your drillbit is about to break through the other side. At that point, drill very slowly until you begin to see the bit peek out the other side. Follow up by repositioning the drill on the opposite side using the peek-out hole as your pilot and continue drilling SLOWLY until the hole is cleared.Can I mention again DRILL SLOWLY? (just for emphasis.)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167994",
"author": "James",
"timestamp": "2010-08-12T21:45:17",
"content": "I drill in 1/8″ acrylic all the time and always have cracking problems with twist drills. I use what is called a brad point bit. They are available at most woodworking shops. Works great for us. If we need to have a lot of parts done, we send them out to be laser cut.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,393.599253
|
||
https://hackaday.com/2010/08/11/snapping-pics-at-the-right-moment-with-a-pressure-plate/
|
Snapping Pics At The Right Moment With A Pressure Plate
|
Mike Szczys
|
[
"digital cameras hacks"
] |
[
"camera",
"flash",
"fruit",
"pressure",
"relay"
] |
[BiOzZ] built a
pressure sensitive camera accessory
to snap pictures at just the right moment. Before turning out all the lights the camera is set up with a twenty-second timer and a three-second exposure. The pressure plate doesn’t take the photo, but fires the flash to catch an image in the middle of the action.
The hack uses a piece of acrylic as the base of the pressure plate. A switch is constructed by placing aluminum tape on the base, and attaching a thin metal strip that is bent to add just a bit of spring. When an object is place on the plate the thin metal contacts the aluminum tape completing the circuit, a change in the weight breaks it. A simple circuit connects to this, using a relay to actuate the flash from a disposable camera. This is perfect for documenting the moment when you exercise that fruit-induced rage that has been consuming you lately.
| 22
| 22
|
[
{
"comment_id": "167604",
"author": "blodgar",
"timestamp": "2010-08-11T17:07:18",
"content": "Photo inspired by the famous Allman Bros. album, “Beat a Peach”!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167609",
"author": "Bob",
"timestamp": "2010-08-11T17:31:59",
"content": "But if all the lights are out, how can you accurately swing the bar and hit the peach??!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167610",
"author": "Jake",
"timestamp": "2010-08-11T17:49:19",
"content": "Haha, cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167613",
"author": "Entropia",
"timestamp": "2010-08-11T17:56:10",
"content": "I made a similar system a few years ago. I used ATmega16, a microphone and a single-use disposable camera with flash.Result:http://entropia.1g.fi/kuvat/Muut/Kuvailua/lightbulb+disintegrating.jpghttp://entropia.1g.fi/kuvat/Muut/Kuvailua/waterballoon4_big.jpg",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167614",
"author": "Jonathon Miller",
"timestamp": "2010-08-11T17:57:29",
"content": "This is awesome. My only problem is that working in the dark, I’m just as likely to hit my camera as I am the peach. If this could fire both flash and shutter, it would be even awesomer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167615",
"author": "pod",
"timestamp": "2010-08-11T17:58:38",
"content": "@bob: was thinking the same thing",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167616",
"author": "nubie",
"timestamp": "2010-08-11T18:10:58",
"content": "Can I strap this to the underbelly of a car and catch some sweet tire deformation? It could be triggered by a lateral acceleration sensor ;)Although drifting around at night is bound to be illegal and dangerous. So I needed a good excuse like this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167618",
"author": "mostlymac",
"timestamp": "2010-08-11T18:20:10",
"content": "meh, I prefer acoustic triggers. but the pressure plate would be good for something that’s silent.Course, nowadays, most people just use high speed cameras to capture everything then pick out their favorite stills later.Regardless, it’s always amazing to be able to see things that happen too fast for the human eye to detect.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167624",
"author": "Nomad",
"timestamp": "2010-08-11T18:31:36",
"content": "Hm i bet it would be a lot easier to trigger a camera (read: DSLR) via the remote shutter release port. And it would have other advantages e.g. you could use a better flash instead of that crappy one built into disposable cams.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167644",
"author": "Jonathan",
"timestamp": "2010-08-11T19:15:11",
"content": "Aah, finally a way to document proper technique for Self-defense Against Fruit!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167652",
"author": "biozz",
"timestamp": "2010-08-11T19:48:41",
"content": "MY FIRST HACKADAY!!!!@Nomad it covers in the description the use of both an SB-600 and the cheap flash and why i chose a cheap flash over the sb-600@blodgar no all i had on hand was a peach XD … i wanted to use an apple@Bob you need to wait for you to regain your natural night vision@Entropia i have played arround with using an arduino but for sound trigger i would use a preamp and an opamp with a 555 but an arduino or AVR would be much easier!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167675",
"author": "Colin Brown",
"timestamp": "2010-08-11T20:49:18",
"content": "To all the people suggesting that this project would be better if the camera was triggered via the remote shutter release – the response time of the camera will not be sufficient. The flash power can be turned down to give an extremely small exposure time. In fact, some people have used that technique to capture speeding bullets.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167677",
"author": "biozz",
"timestamp": "2010-08-11T20:59:28",
"content": "@Jonathon Milleri have a hacked D90 shutter cable (i made for this instructablehttp://www.instructables.com/id/Nikon-D90-MC-DC2-Remote-Shutter-Hack/) the problem is that there is a noticeable delay from when the signal is sent to when the exposure is taken … you can try it by replacing the flash with this shutter cable and accept the delay but i think the best way is to create a delay and slow shutter speed (i used a JJC TM series nikon D90 shutter remote but a time delay with internal delay function and an exposure of a secound or so will work) works great … get ready when it beeps and when you hear the click hit itfor any one looking to do this in one shot this is what i usedCamera: Nikon D90Mode: ManualShutter Speed: Bulb (3 second external trigger a 3′ shutter is equivalent)Aperture: F5.2ISO: 250White Balance: Flash (about 6500K)AF: Off",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167717",
"author": "Quin",
"timestamp": "2010-08-11T22:24:17",
"content": "This is a nice hack, built on a solid old film technique. I wonder what the cause of that long of a delay in the SB600 is. It should be snapping as soon as you short the two contacts together; I don’t think the 600s have an flashbulb type sync mode. I think I need to see what the delay on my 285 is now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167757",
"author": "Jon",
"timestamp": "2010-08-12T03:06:59",
"content": "Everyone is wondering why they are triggering a flash instead of the camera. Let me explain. The fastest shutter speed on most dSLR cameras is 1/4000th of a second. With my setup, my Vivitar flash allows me to get the equivalent of a speed of 1/30,000th of a second. A flash of light has the ability to last much shorter, than the duration that is required to mechanically open a shutter. It may be possible to take some high speed photos at a speed of 1/4000th, but then the problem of latency comes into question. When working with speeds upwards of 1/5000th of a second, latency is a huge problem. This picturehttp://flic.kr/p/8b2ULFshows a shutter speed of 1/30,000th of a second. Lower speeds are more acceptable when dealing with fruits and the like, but breaking glass requires upwards of 1/10,000th of a second, to prevent blurring.More pictures at 1/30,000thhttp://www.flickr.com/photos/whosdadog/sets/72157620083247995/with/4708034967/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167804",
"author": "Sparky",
"timestamp": "2010-08-12T09:35:31",
"content": "It would probably be best to work with a red light, because (I think) red doesn’t spoil your nightvision. Of course, you should turn off the red light before opening the shutter.I’d think the relay would introduce a fairly significant delay, because most mechanical relays take between 50 and 100ms to actually switch. A solid-state solution would probably have a much shorter and more predicable delay. A simple MOSFET or BJT could do the trick, or a decent optocoupler (possibly with a darlington output) could solve any headaches with the input signal to the flash unit if it doesn’t have an active-low input.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167806",
"author": "PKM",
"timestamp": "2010-08-12T09:40:36",
"content": "I made something similar for my first Instructable- it used card and foil for the pressure plate but was otherwise similar, you can see it athttp://www.instructables.com/id/Minty-Strobe/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167836",
"author": "biozz",
"timestamp": "2010-08-12T12:33:05",
"content": "@sparkyi covered the pros and cons of using relays vs an SCR (a mosfet or a bjt would be impracticable)i get MUCH faster response times with my relay than you say here and i have yet to experience any noticeable delay at all doing everything from fruit smashing to glass cracking and i estimate a delay of about 5-10ms and can probably get lower with reed relaysi concluded that using a small relay is perfectly practical and an easier and safer alternative to and SCR and going online and paying $8 shipping on a $1 part and waiting 5 days for it to be delivered was unnecessary@Quinafter farther screwing around i found out that the response time of an SB-600 flash is 1/2000th of a second at most and 1/400th practical (according to a forum) it might have to do with the signal having to pass threw all of nikons advanced CLS circuitry … maybe its sending or waiting for data … idk but it is a delay but i will still be looking in to using it and looking in to other ways of triggering it that may improve response time but for now this cheap flash unit works best",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167985",
"author": "Olivier",
"timestamp": "2010-08-12T21:19:42",
"content": "For this kind of pics, I’m using CHDK for canon cameras.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167998",
"author": "Quin",
"timestamp": "2010-08-12T22:03:37",
"content": "@biozzfor remote firing the 600, are you using a fully connected shoe? All the points on the flash going to all the points on the camera, and so on, or just shorting the, iirc, the center pin to the shoe itself? Can’t make that out from the pictures of the shoe on your page. And I don’t have access to a SB600, does it do it’s own light metering or is it full manual? I mean, 1/400 is enough time that if you were firing it from an optical trigger, by the camera’s built in flash or another 600, you might end up with only half the frame exposed. I can’t see how that would pass QA, or not cause a revolt by the hoard of Nikon shooters.really wishing I had a scope, to see what the difference in delay is when shifting my 5600 and 285 from sync cable, to hot shoe, to wireless and optical trigger; and seeing what the varistor does to the equation.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168104",
"author": "biozz",
"timestamp": "2010-08-13T04:43:30",
"content": "@Quinits the center pin shorted to ground to make it triggerit has a manual and TTL modes … 1/260th of a second is FAR more than whats needed for photography so im not surprised on what would be for highspeed photography a long delay … but im going to continue work on it to measure the delayi have a scope i just need to rig up a photo transistor to test it but currently i have my plate fullim probably going to end up building my own adjustable flash unit if i cant get this sb-600 to behave … i just need to figure out how to do that ^^;",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168682",
"author": "NathanF",
"timestamp": "2010-08-14T23:33:20",
"content": "A few comments:1) Great work to the guy that made it (it is very clever.) But as others have said, an acoustic trigger can do everything that this can do with 1/10th the complexity, and without the limit of it having to be underneath the object. HiViz.com has a kit to do it for $20, for instance. It has a microphone that you can vary in sensitivity to fire the flash based when it detects the sound of impact. Also a built in variable delay.2) As some others have also hinted, there are two reasons a device like this triggers the flash and not the camera:a) The duration of a flash firing can be set nearly an order of magnitude smaller than that of a shutter on even a professional SLR camera. That being the case, you will always be able to stop more motion with a flash fired in darkness with the shutter already open compared to setting your highest shutter speed on the camera and triggering the camera directly.b) On most cameras, there is a delay between the time you send the signal to open and close the shutter and when it actually happens.For those two reasons, the flash method is universally used (unless you have some crazy fast, expensive high speed video camera) to stop super fast motion like bullets firing. It has many drawbacks, but it works.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,393.511893
|
||
https://hackaday.com/2010/08/11/road-tour-on-a-bike-with-an-attitude/
|
Road Tour On A Bike With An Attitude
|
Mike Szczys
|
[
"Transportation Hacks"
] |
[
"bike",
"cancer",
"precious",
"twitter"
] |
This is Precious. Precious is a bike that the folks over at BreakfastNY have anthropomorphised for a good cause.
By adding sensors
for a variety of data sources to the bike, and transmitting them back to a server via a cellular module, Precious can spit out cheeky comments about the ride on its Twitter feed. Right now Precious is on his way across the country powered by his rider, Janeen, to raise money and awareness for cancer research. You can track the progress, enjoying some attractive web design and reading the oft-beligerant comments from the bike, at
yesiamprecious.com
.
Although there’s no specifics about the hardware, we saw the typical project box during the teaser video. Inside you’re sure to find the usual suspects. Considering that speed, cadence, grade, temperature, humidity, and GPS data are all available on high-end bike computers we hope they found a way to just read in that data. But your guess is as good as ours; start speculating in the comments.
| 11
| 11
|
[
{
"comment_id": "167577",
"author": "Stunt21",
"timestamp": "2010-08-11T15:23:53",
"content": "I think I should do something like that for my downhill bike! :)Ride!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167580",
"author": "isama",
"timestamp": "2010-08-11T15:32:51",
"content": "do you call that webdesign? to me webdesign is about good looks and maybe more importantly usability. that flash thing isn’t usable at all!/rantit looks like a fun project which has a good purpose, thumbs up on that!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167583",
"author": "djrussell",
"timestamp": "2010-08-11T15:52:44",
"content": "based on the novel push by sapphire.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167593",
"author": "Pilotgeek",
"timestamp": "2010-08-11T16:31:00",
"content": "I agree with isama; i hope you were kidding about the web design.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167595",
"author": "Wouter Vandenneucker",
"timestamp": "2010-08-11T16:34:05",
"content": "wow, now that’s a way to get people interested in your “good purpose”. I mean seriously, the site attracts people, and although you can’t do much on it, it involves people on a cool way. They may sit behind a desk at work but can still feel themselves connected with the whole project.Really nice project even without the good cause. But I think that for us people (and I think that’s isama’s problem) we would like to see the data and graphs, n stuff.. but most of the people out there don’t look at data as “cool”.. But why don’t they have a “making of”?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167600",
"author": "Wayne",
"timestamp": "2010-08-11T16:46:10",
"content": "Warning! Obligatory LOTR reference:“My preciousssss!!!”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167601",
"author": "Headbonk",
"timestamp": "2010-08-11T16:53:10",
"content": "Whenever I’m on a ride I think of all the things that I wish my bike computer did. Even just from the cadence and speed inputs, it could do a lot more interesting things with the data like a speed & cadence vs. distance plot, or telling me what gear I should be in to hit my target cadence.My fantasy is to start an open hardware bike computer project. The bill of materials for a computer with cadence & speed would be pretty short: micro controller, lcd, buttons, hall effect sensors, wire… It would probably cost less than an equivalent commercial model, but could do so much more…The feature I especially want is for it to show me the info about the track currently playing on my iPod/iPhone, via a wireless link.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167602",
"author": "pff",
"timestamp": "2010-08-11T17:02:28",
"content": "this is stupid. i’d like to see how much extra money the added gimmic of sensor bike will make. enough to cover the expense of the build? i doubt it. also no way the bike said that on its own, it was written by a human, either when it was posted or preprogrammed. hardly a brain in the sense they make it out to be. also, “17 chased by dog” reads pretty crappy compared to the other numbers. where can i get a chased by dog-o-mometer anyway?“Precious’s brain is an on-board device that captures all of his experiences” what a stupid name for a bike, least of all a male bike.Atleast they put it on a proper pcb, and its not just clumsily wired up to an arduino dev board like every other project on here.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167606",
"author": "fartface",
"timestamp": "2010-08-11T17:28:13",
"content": "Awesome webdesign. Better than anything the turds that post here can do.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167716",
"author": "Douglas",
"timestamp": "2010-08-11T22:12:53",
"content": "I think overall this is a awesome project,the real time feed back is cool although more in depth statistics would be nice. There needs to be more bike hacks like this Im not as technically savvy as most on this site, but I use a Mio gps that was flashed with a alternate firmware.It allows a me to run nice track plotter with all types of info about my ride.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167834",
"author": "Mark",
"timestamp": "2010-08-12T11:55:37",
"content": "Wow! Would not refuse such a bike, but the cost probably is not cheap.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,393.648345
|
||
https://hackaday.com/2010/08/10/android-development-101-part-6getting-ready-for-market/
|
Android Development 101 – Part 6:Getting Ready For Market!
|
Greg R. Jacobs
|
[
"Android Hacks",
"Software Development"
] |
[
"android",
"development",
"software",
"tutorial"
] |
In this tutorial we are going to cover packaging one of our applications into an .apk file and getting it ready for the Android Market. After we have completed this tutorial you should be able to use the tools provided in the AndroidSDK to sign your application, put the application on your phone and install it or send it to the Android Market. These will be great assets to have if you decide to develop applications that you may want to charge for. This tutorial will also be a change from the normal ones because it will include little, if any, code.
To start off, if you have great aspirations for marketing your applications to others make sure to sign up for a
developer account
and pay the one time fee of
$25 USD
. This will ensure that not just anyone is publishing to the market. If your not looking to shell out the money then you can continue with the tutorial and give anyone who wants your app the file to put on their SD card. Whether you decide to do this step or not we still need to version our application. We are going to use the
EnhancedQuotes
Project for this example. We are going to open up the
Android Manifest
in enhanced quotes and put some code in here so we can version our application.
Versioning an application means that we make the application able to accept updates if something breaks or we are adding more features. Once the Android Manifest is open we are going to modify the line where it says
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.gregjacobs.enhancedquotes" >
and add in
<android:versionCode=”1” android:versionName=”1.0” >
so that the line should look like
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.gregjacobs.enhancedquotes" android:versionCode=”1” android:versionName=”1.0”>
This tells the device we run the app on that this is version one and anything that comes along that is higher will be upgraded. We need to add in a minSDKVersion as well so the Android Market can tell which devices can use our application. We need to add
<uses-sdk android:minSdkVersion="3" />
underneath the /application node that will be shown below. We also want to add a specific icon so that our application stands out from all the other ones on a persons device. I chose
this icon
and saved it to an easy to find place, naming it icon.png, then dragging onto the drawable folder in res/. Eclipse will ask you if you would like to overwrite, just say yes.
We now need a private key that will allow us to sign applications by using this key in the signing process. It will have to be your, it will show its either for your work or personal development depending on how its created and have a period of time before it expires. To make a private key we are going to use the keytool found in our
C:/Program Files/Java/jre6
folder. Once inside the jre6 folder, hold
shift
and
right click
on the bin folder and choose the option that says
Open command window here
. Once in the command promp we are going to run
keytool
with a bunch of commands that will assist us in making a private key. The command to be entered into the command window will be as follows:
keytool -genkey -v -keystore C:/MyKeygen.keystore
-alias MyKey -keyalg RSA -keysize 2048 -validity 10000.
Now that we have the command entered we can step through and determine what each of these variables is doing for the keytool.
-genkey –
Initiates the start of the making a key pair.
-v –
Enables output to be shown to the user making the keystore.
-keystore –
After this variable will contain the location and the name of the keystore we are going to make.
-alias –
Gives the keystore a shorter name or nickname if you will.
-keyalg –
This is the type of encryption used and can be either RSA or DSA encoded.
-keysize –
The size of each key that is generated. This is recommended to be at least 2048 bits or higher as stated by Google. The default is 1024 bits.
-validity –
The number of days the key is valid. This should be no less than 10000 but is recommended to go higher.
After pressing enter when done entering the command above you will be prompted to answer a series of questions so Google can validate this key. The first question will be a password for the key and it will prompt you to re-enter it as well. The password will not show up when pressing keys but it is working and it is key to remember this password because we will use this when packaging our app. Next question will ask for your first and last name. The thirst question asks for the unit you are in, I put development since we are programming for android. Next is your organization, remembering if you aren’t programming for one just enter your name or whatever you wish. Next is just the city you are located in. Then state or province depending on your locale. Enter the two digit country code that you are in, for example Canada would be CA and United States of America would be US. It will then prompt us if this information is correct, if it is type n yes then press enter. It will now prompt you for a password for mykey, press enter as we will use the same key as the keystore password.
We are now ready to sign the application and get it ready for deployment to the Android Market. We do this by going to eclipse and in the Package Explorer right click on EnhancedQuotes, go to
Android Tools
then click
Export Signed Application Package…
. This will open up a dialog box asking you the project you want to export, click
next
as the one we want is selected. Now we want to click the
browse
button on this page and locate our keystore file we created earlier, make sure to enter the password for it and click
next
. Choose the alias we created for it and enter the same password as before and click
next
. Now choose the destination for the
APK
file we are about to create, I am choosing the
C Drive
. Click Finish and the
APK
file will be created in the directory we chose.
We now have two choices for publishing our app, the first being deploy on your android device by dropping it on the SD card and downloading an app installer like
appInstaller
from the marketplace or deploy to the android community via the
Developer Publish
site. We are going to publish to market in this tutorial. Navigate to the
publisher site
, log in and then click on the button that says
Upload Application
. We now need to find the
APK
file via the first browse button then enter some information about the application. After filling out the
Title, Description, Application type and category, choosing your publishing options and filling out contact information and finally agree to the terms by checking the checkboxes
we can finally press
Publish
. After pressing Publish the application is sent to the market and you can have millions of Android users use your application. In the demo of this application the app I signed was actually sent to market and can be found by clicking search in the Market and entering in
Quotes Viewer/Generator
. The link provided will only work on an android device, or you could scan the QR code below if you wanted to get there faster.
APK File
This series of tutorials has covered the basics of development in an Android Environment to packaging up your applications and getting them ready for market. Now that we have the basics of Android development down we can start on tutorials about more advanced subjects including but not limited to bluetooth control/chat. I hope everyone that has read Android Development 101 has found it useful and looks forward to more. Happy Hacking until the next tutorial!
| 25
| 25
|
[
{
"comment_id": "167404",
"author": "Filete",
"timestamp": "2010-08-10T20:27:04",
"content": "Many Thankss for all the tutorials. From Spain",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167408",
"author": "dext0rb",
"timestamp": "2010-08-10T20:40:33",
"content": "bah – “If your___ not looking to shell…”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167418",
"author": "Jerry Whiting",
"timestamp": "2010-08-10T21:50:57",
"content": "I have a basic question: once an app is in the Android Market, is there a URL that points to that app? It seems the only way to access an app is through an Android device itself. Great unless you want to link to it from your own site. I’d settle for the QR barcode equivalent.Odd ya can’t search the search leader’s own marketplace…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167419",
"author": "Taylor Alexander",
"timestamp": "2010-08-10T22:05:34",
"content": "Double bah at the “your” typo. There’s certainly a line for being too pedantic, but I don’t think cringing when a writer mixes those up is it.-Taylor",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167429",
"author": "cantido",
"timestamp": "2010-08-10T23:05:08",
"content": "so.. you can write a decent-ish android app, but you can’t follow the wizard ADT has for exporting a market place ready apk?oh dear.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167473",
"author": "013",
"timestamp": "2010-08-11T03:59:03",
"content": "I love that you guys have finally got this whole “Article that isn’t a hack” thing down. There were some rocky bits with that top 10 stuff. This is an awesome howto series. Thanks Hackaday!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167533",
"author": "Hackius",
"timestamp": "2010-08-11T08:37:41",
"content": "This is THE best android howto out there.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167553",
"author": "fartface",
"timestamp": "2010-08-11T12:26:13",
"content": "Dont forget. put your app’s apk on your website and not only in the market. making people have to search for your app on torrent sites because you wanted to be a douchebag and only put it in the market tells non blessed android users that you hate them.as a android tablet owner, I am forced to torrent all my apps because of lazy developers not putting their apps online anywhere but the market.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167554",
"author": "cantido",
"timestamp": "2010-08-11T12:42:45",
"content": "@fartfaceWhat if your app isn’t free? There are alternative market places but if you want to get any sort of distribution you would be insane not to upload to the official market place.You should have a go at getting the vending.apk and see if you can get the official market place running on your device.. but IIRC the only devices that ship without it are ones produced by vendors that haven’t accepted googles policies (i.e. all devices need to allow ADB etc).. do you have one of the tablets from deal extreme by any chance?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167566",
"author": "Greg R. Jacobs",
"timestamp": "2010-08-11T14:33:07",
"content": "@fartface – Under the QR Code is a link to the APK file to extract and place on your SD card :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167598",
"author": "Matt",
"timestamp": "2010-08-11T16:41:35",
"content": "Now that you are ready for the market, SURPRISE!Google hasn’t gotten around to allowing developersin your country to charge for their applications, unless you are on this exclusive list that hasn’t changed in a year:http://market.android.com/support/bin/answer.py?hl=en&answer=150324I have been incredibly disappointed for a very long time now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167674",
"author": "CodeMonkey76",
"timestamp": "2010-08-11T20:42:22",
"content": "Just wondering if you could make this series of tutorials available as a single PDF document (or other single file, downloadable document)?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167840",
"author": "Greg R. Jacobs",
"timestamp": "2010-08-12T12:55:48",
"content": "@CodeMonkey76 – I am working on doing that over the next couple of weeks (formatting etc.) :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167844",
"author": "Howler",
"timestamp": "2010-08-12T13:42:14",
"content": "The PDF option would be great. But, could you also go back to tutorials 3-5 and add a link to the next one? For those of us who are doing them in a row, and don’t want to have to search for the next one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167849",
"author": "Greg R. Jacobs",
"timestamp": "2010-08-12T13:58:45",
"content": "@Howler – The linking is complete and sorry for not having it done sooner :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169112",
"author": "Bob",
"timestamp": "2010-08-16T11:43:58",
"content": "@Jerry Whiting You can link to your app using appbrain.comWhy does this app force close when you hit back instead of confirm?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "204070",
"author": "Ramiro",
"timestamp": "2010-10-28T09:21:17",
"content": "Excellent tutorial, It couldn’t be more clear and helpful for android starters! Cheers from Argentina!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "346578",
"author": "Jonathan Tucker",
"timestamp": "2011-03-02T23:37:28",
"content": "Just a heads up for other users out there. On Windows 7 (and maybe Vista) you will need to enter the CLI as Administrator in order to get the keygen to work. CTRL+SHIFT+ENTER when opening cmd.exe from a Run box will do the trick. This will allow the MyKeygen.keystore file to be created if it doesn’t exist already.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "379916",
"author": "Amos",
"timestamp": "2011-04-14T06:27:49",
"content": "@Greg: how about some /reverse/ links that point to the previous part and/or the first part, so we can start from the beginning without digging through the “Android hacks” category?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "386113",
"author": "kiran reddy",
"timestamp": "2011-04-26T06:16:26",
"content": "fantastic tutorial… very excellent, thanK you very much.. i enjoyed it,,…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "387671",
"author": "ricardo",
"timestamp": "2011-04-29T00:46:03",
"content": "Great job, tks. We love the articles. Any other option for droiddraw ?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "559532",
"author": "Jim McGivney",
"timestamp": "2012-01-15T18:30:19",
"content": "Great tutorial. Best of all the beginer tutorials out there.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "674874",
"author": "Jason",
"timestamp": "2012-06-08T20:15:50",
"content": "Greg, Awesome job! Your 101 series really get me started nicely on Android development.Thank you.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "811006",
"author": "Mohammad Suleiman",
"timestamp": "2012-10-09T15:38:23",
"content": "Thank Greg, you made a big difference, great job",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "1032346",
"author": "apk",
"timestamp": "2013-07-28T13:46:34",
"content": "You will need to run the command prompt as an administrator to create the keystore.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,393.878451
|
||
https://hackaday.com/2010/08/10/super-simple-inch-worm-mechanism/
|
Super Simple Inch Worm Mechanism
|
Caleb Kraft
|
[
"Robots Hacks",
"Toy Hacks"
] |
[
"feet",
"legs",
"locomotion",
"mechanism"
] |
[youtube=http://www.youtube.com/watch?v=dvplpWJ9CcI]
Sticklers for the definition of “robot” should simply avert your gaze for the opening title of the video. [Randofo] has posted this
beautifully simple inch worm mechanism
using only a ruler, some connectors, a switch, a servo, a comb, some batteries, and a couple Tupperware containers. It inches, as it was designed to do, quite well. We’re especially fond of the use of a comb as an easily modifiable switch activator.
| 21
| 21
|
[
{
"comment_id": "167316",
"author": "nave.notnilc",
"timestamp": "2010-08-10T15:12:08",
"content": "good to see well-thought-out mechanics in a simple robot, err, motile electromechanical platform :Pmaybe stick something a little more frictiony on the bottom?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167335",
"author": "Bob",
"timestamp": "2010-08-10T15:39:19",
"content": "I fail to see how this is not robotic. Wikipedia defines a robot as “A robot is an automatically guided machine which is able to do tasks on its own, almost always due to electronically-programmed instructions”. Mechanical methods of control for electrical systems is not new. Using a comb for the programming may be rare though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167338",
"author": "fartface",
"timestamp": "2010-08-10T15:43:08",
"content": "Yes if you simplify it down to wiggling back and forth is it’s task. then yes this is a robot.I have a robot here, it’s designed to sit there and not move unless picked up. I invented the first rock robot!Note: I’ll be more impressed when this “bot” can guide it’s self. I guarentee it cant.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167352",
"author": "Toolboy",
"timestamp": "2010-08-10T16:35:09",
"content": "Wikipedia defines dork as one who is out of touch with contemporary trends. Sorry. Many (most) definitions require some sensing of the environment. Like the definition of human, the definition of robot has become increasingly nuanced over the past hundred years.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167353",
"author": "Ford",
"timestamp": "2010-08-10T16:35:19",
"content": "I’ll leave the semantics to the rest of you, but that thing is clever. The comb is downright genius.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167363",
"author": "zerth",
"timestamp": "2010-08-10T17:04:14",
"content": "A sliding weight perpendicular to the direction of movement would alter the center of gravity enough to make it curve left or right.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167369",
"author": "jwstolk",
"timestamp": "2010-08-10T17:16:22",
"content": "/me Invests in switch manufacturers…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167383",
"author": "Mikey",
"timestamp": "2010-08-10T18:40:47",
"content": "COOL!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167390",
"author": "sacko",
"timestamp": "2010-08-10T19:15:23",
"content": "I would think that a DC motor would have been cheaper and easier to procure while maintaining the same functionality as the servo.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167392",
"author": "liebesiech",
"timestamp": "2010-08-10T19:22:23",
"content": "It is Michael Jackson! This walk is unique!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167406",
"author": "Ragevortex",
"timestamp": "2010-08-10T20:36:00",
"content": "Nah man that;s MC Hammer -Cant touch this…Anyhow… It’s a pretty interesting project. Would be great to give all the mats to a class as a project and see if they come up with something similar.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167435",
"author": "strider_mt2k",
"timestamp": "2010-08-10T23:43:27",
"content": "I like it!I’ll try to make one with a motor and some cherry switches. Those things are rated for enough operations for you to tire of the project long before the contacts fail.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167436",
"author": "Hirudinea",
"timestamp": "2010-08-10T23:44:58",
"content": "First its inch worms, next thing you know its terminators!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167471",
"author": "pRoFlT",
"timestamp": "2010-08-11T03:28:32",
"content": "I thought the little doll head in the background was creapy. I guess im the only one that saw that?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167484",
"author": "Mad sientist",
"timestamp": "2010-08-11T05:17:40",
"content": "i think is a long way from inchworm to terminator, is a start tho",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167599",
"author": "Wouter",
"timestamp": "2010-08-11T16:41:39",
"content": "@profit yes, after 3 times viewing the video, the doll is creapy like hell!But this project is awesome, this is basic & dirt cheap. I love it ::thumbs up::",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167720",
"author": "localroger",
"timestamp": "2010-08-11T22:51:44",
"content": "Some kind of surface under the tupperware that moves easier one way than the other would make this thing far more efficient. If it was something like ratcheted rollers you could then even use it to steer by using a servo to rotate the toe.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167939",
"author": "Thomas",
"timestamp": "2010-08-12T18:57:35",
"content": "I made somthing like that when I was 13, but I used wheels that rolled only one way and it made it move alot better.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168002",
"author": "Tod",
"timestamp": "2010-08-12T22:17:53",
"content": "@localrogerAs for something easier going one way than another, and keeping with this household item theme (and inspired by BristleBots — toothbrush heads and phone vibrators), I was thinking about slanted toothbrush bristles on the bottom of the tupperware facing the direction of desired motion.Obviously, much more could be done to make it do more but the simplicity of design and function are wonderful!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "185781",
"author": "strider_mt2k",
"timestamp": "2010-09-25T18:11:40",
"content": "This project inspired me to build a something similar out of the industrial scrap where I work.Only two parts were provided by me: The Dayton gear motor and the bracket that holds the toggle switch.What makes the magic for mine is the wonderful one-way wheel already on it’s own mounting bracket that a co-worker found and offered me for the project.It’s clinky-clanky, but it works.I should post it…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3849947",
"author": "Công Ty Đông Phong",
"timestamp": "2017-08-02T06:41:45",
"content": "so cool",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,393.994098
|
||
https://hackaday.com/2010/08/10/out-now-el-coat-coming-soon-el-hat/
|
Out Now: EL Coat, Coming Soon: EL Hat
|
Jakob Griffith
|
[
"Wearable Hacks"
] |
[
"arduino",
"clothing",
"coat",
"controller",
"el",
"electroluminescent",
"glow",
"high voltage",
"hot topic",
"inverter",
"wire"
] |
[Render] says
his coat
is simply “enhanced with EL wire”, but we know the truth. He’s secretly an alien that can’t block out all of his glowing green skin with a the black coat. No? Fine,
You can put away the sewing machine, [Render] simply used a needle and fishing line to attach ~50-70 foot of electroluminescent wire to the outside of a coat he picked up at a
local clothing shop
. Solder and program in an inverter and
controller board thanks to SparkFun
, and you’re ready to go.
Just double check all your connections, high voltage directly on your person is not fun.
Trust us
.
| 41
| 39
|
[
{
"comment_id": "167299",
"author": "Darkrocker",
"timestamp": "2010-08-10T13:42:10",
"content": "Wow, that definitely looks… umm interesting. Not my style but points for creativity. Would be great to wear to a rave! :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167302",
"author": "James",
"timestamp": "2010-08-10T14:13:17",
"content": "I wish the writeup talked about his power supply design. Other than that, pretty cool looking.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167303",
"author": "Sitwon",
"timestamp": "2010-08-10T14:15:27",
"content": "I saw this in person at HOPE. I literally did a double-take. It looks very impressive. I’ve been thinking of “enhancing” my pirate coat in a similar fashion.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167305",
"author": "ouroboros",
"timestamp": "2010-08-10T14:31:48",
"content": "ridiculous goggles cause man to laugh coffee over style challenged maker… good thing he was protected by goggles!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167306",
"author": "therian",
"timestamp": "2010-08-10T14:33:32",
"content": "this guaranty no boobies in a lifetime",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167309",
"author": "redbeard",
"timestamp": "2010-08-10T14:51:20",
"content": "@therian. Tell that to his partner, Grey.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "167310",
"author": "Caleb Kraft",
"timestamp": "2010-08-10T14:53:48",
"content": "Hey guys, lets be cool. keep it on the topic of the project.",
"parent_id": "167309",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "167311",
"author": "JimXugle",
"timestamp": "2010-08-10T14:53:48",
"content": "Add some Blood Pressure sensors and you have a quick, non-verbal way to let people know that they’re pissing you off!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167313",
"author": "osgeld",
"timestamp": "2010-08-10T14:54:11",
"content": "meh el wire, you outline something with it, plug it in, it kinda looks like tronnow make a tux out of el sheets… that could be wild",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "167315",
"author": "Caleb Kraft",
"timestamp": "2010-08-10T14:58:45",
"content": "@Osgeld,*cough* hackaday shirts from EL sheets *cough*. Must research now.",
"parent_id": "167313",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "167314",
"author": "echo",
"timestamp": "2010-08-10T14:57:10",
"content": "such a cool coat and a awesome guy!@therian: yep, hes got boobies, grey is a cool chix0r! :DHI GREY!!!!xoxoecho",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167317",
"author": "cgmark",
"timestamp": "2010-08-10T15:13:07",
"content": "As said in the movie “Just because we can do something, does not mean we should”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167320",
"author": "RenderMan",
"timestamp": "2010-08-10T15:26:02",
"content": "therian: The above photo was taken by Grey Frequency, my wife.James: Added a bit about powering the coat. It’s all off one 3.7v LiPo battery. I get about 6 hours out of it.ouroboros: The Goggles are getting a seperate writeup. Yes there’s an arduino involved.Caleb: I’m already investigating EL panels for other projects.cgmark: And Just because we should’nt doesn’t mean we can’t!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167346",
"author": "thlip",
"timestamp": "2010-08-10T16:04:49",
"content": "Reminds me a bit of the riddler. It’s kind of neat I definatly think a shirt with blood pressure sensor would be cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167348",
"author": "Itwork4me",
"timestamp": "2010-08-10T16:15:11",
"content": "It’s cool and the others are jealous. And just cuz you wouldn’t wear it doesn’t mean chicks won’t drop their clothes just to be wrapped in these wires…hmmm…there’s a hack in there I’m sure.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167357",
"author": "Erik Johnson",
"timestamp": "2010-08-10T16:51:41",
"content": "Heh, I made something like this a few years ago for halloween using EL wire meant for PC case mods (spools were n/a at the time). I had a full body outline, gloves/fingers outlined and a gas mask with the eyes, mouthpiece and a faux mouth outlined. I also used fishing line as the thread",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167362",
"author": "RenderMan",
"timestamp": "2010-08-10T17:03:47",
"content": "Erik: I dont doubt it. I’d love to see pics.I was suprised I had not seen more EL clothing out there. I have plans for a gas mask/respirator as well, but that is more an LED thing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167367",
"author": "James",
"timestamp": "2010-08-10T17:11:44",
"content": "Thanks for the update @RenderMan!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167377",
"author": "Erik Johnson",
"timestamp": "2010-08-10T18:24:38",
"content": "@RenderMan I didn’t do as fine a detail as you, but I’ve linked the page in question to my name on this post. Forgive the non-details and atrocious page(s)!Burning man has a has a huge EL crowd for many years (from decorating cars to clothing) I took my idea from seeing a Daft Punk show a long time ago. I didn’t have a helmet to do up like them, but did have a gas mask and it turned out pretty well! I have them in the boot of my car still lol",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167384",
"author": "Revar",
"timestamp": "2010-08-10T18:54:48",
"content": "I had made a Tron suit for Burning Man a number of years ago, using EL wire attached via nylon thread. It died after 20 minutes of my walking about, as the EL wire didn’t like flexing at all, and shorted out internally. EL wire on flexible clothes is a fragile thing, so you need to be sure to avoid flexing as much as possible.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167398",
"author": "Erik Johnson",
"timestamp": "2010-08-10T19:36:18",
"content": "@Revar I learned this lesson as well. My gloves died that NYE from too much flexing in the fingers. The internal construction is a single solid core wire (power) that is very susceptible to metal fatigue wrapped in plastic, powdered w/ EL material then a very thin wire (power) loosely wrapped around that then finally the outer (colored) plastic sheath…It’s best to make everything in segments so there are “joints” where flexing will occur. I didn’t have any issues with the wires around my knees, elbows or armpits…yet! I hope to get off my lazy ass and write all this up someday :o",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167407",
"author": "thlip",
"timestamp": "2010-08-10T20:36:32",
"content": "@Erik that’s some sweet work.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167411",
"author": "Jake",
"timestamp": "2010-08-10T20:51:44",
"content": "Oh, man. I would pay good money to see this guy shock the *#&@ out of himself when he exceeds the bend radius on that EL wire, it breaks, and pokes him through the shirt!!!I guess as long as he doesn’t move around too much, he’ll be fine ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167413",
"author": "Alan",
"timestamp": "2010-08-10T21:03:11",
"content": "El wire coat + Daft Punk helmet = boobs.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167414",
"author": "Alan",
"timestamp": "2010-08-10T21:07:10",
"content": "@JakeI’m pretty sure he kept that in mind. It’s not like his body is made of origami paper and hes folding himself into a swan.The only area I could see the EL wire bending too much is around the elbows. Any thick fabric long sleeve will pull up when the elbow is at a bend. It’ll give the el glow wire enough slack.My El glow shorts are a hit with the ladies ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167416",
"author": "sariel",
"timestamp": "2010-08-10T21:33:09",
"content": "is it me or does he look alot like Seth Green?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167421",
"author": "barry99705",
"timestamp": "2010-08-10T22:20:32",
"content": "@sarielIt’s you. I know Renderman, he looks nothing like Seth Green. @Render Hopefully you didn’t have a laser shooting out your crotch like Shmoocon this time!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167433",
"author": "charliex",
"timestamp": "2010-08-10T23:17:19",
"content": "looking good render. maybe i’ll make go for the rgb led coat instead of a swirly badge next year for DC.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167439",
"author": "raith",
"timestamp": "2010-08-11T00:13:45",
"content": "It helps keep me safe when I’m…jogging at night.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167446",
"author": "Grod",
"timestamp": "2010-08-11T00:59:07",
"content": "What do you mean “high voltage directly on your person is not fun”? Applied in the right way to a consenting adult and…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167476",
"author": "Masta Squidge",
"timestamp": "2010-08-11T04:15:30",
"content": "I’m with Grod.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167559",
"author": "Pouncer",
"timestamp": "2010-08-11T13:18:53",
"content": "@SarielI was going to say the same thing. lolIt’s not just you. Regardless if he does or doesn’t look like him normally, in this pic he resembles Seth Green.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167561",
"author": "yuppicide",
"timestamp": "2010-08-11T13:39:36",
"content": "I’m guessing EL stands for Elton as in Elton John.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167564",
"author": "Jake",
"timestamp": "2010-08-11T14:16:18",
"content": "@AlanI’ll bet they are! All you have to do is get one to sit on your lap, and they get that “electro-stimulation” ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167807",
"author": "strider_mt2k",
"timestamp": "2010-08-12T09:45:15",
"content": "I heard him on the wireless back in ’52…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167838",
"author": "Whatnot",
"timestamp": "2010-08-12T12:49:11",
"content": "I like the bloodpressure sensor idea JimXugle, but bloodpressure is hard to measure needing time and pumps and what not, so how about a heartrate increase sensor, set it to you default resting rate and if it increases the glow increases, might be amusing and doable.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167969",
"author": "Decius",
"timestamp": "2010-08-12T20:16:23",
"content": "@echo,Obvious troll is obvious………………I HOPE?!?!?!?!!!!!!!!@%$#@#@%",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169014",
"author": "wakka",
"timestamp": "2010-08-16T02:44:39",
"content": "He is The Warden.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "176462",
"author": "Matt",
"timestamp": "2010-09-02T18:38:24",
"content": "Needle and fishing line? I’d recommend a buttoneer. As seen on TV.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "177344",
"author": "renderman",
"timestamp": "2010-09-05T01:13:35",
"content": "@Matt:Needle and fishing line was used as the cost of the refills for a buttoneer, as well as availability.In order to secure it tight enough, I figured I’d need to attach it every half inch or so (more on corners). For 55 feet of wire, I’d need about $100 of refills. Fishing line was about $3 and worked great.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "178026",
"author": "mic",
"timestamp": "2010-09-06T23:28:58",
"content": "Elton John’s new costume?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,393.813681
|
||
https://hackaday.com/2010/08/09/rgb-lamp-bulb-replacement/
|
RGB Lamp Bulb Replacement
|
Caleb Kraft
|
[
"Arduino Hacks",
"LED Hacks"
] |
[
"ikea",
"led",
"pwm"
] |
[youtube=http://www.youtube.com/watch?v=TwZBMJS1teg]
Wanting to make some unique and interesting gifts for his nieces as well as improve his PCB skills and expand beyond Arduino, [Jay] has made these
color changing Ikea lamps
. He’s using an ATTiny2313 for the brains, a handful of RGB LEDs plus 3 warm white LEDs to keep the wife happy. you can download the schematic and PCB files if you want to reproduce this one yourself. You can see his PCB making skills have improved since the
nursery room temperature monitor
. We think his nieces will be pleased with their gifts.
[via
HackedGadgets
]
| 14
| 13
|
[
{
"comment_id": "167080",
"author": "Scott",
"timestamp": "2010-08-09T15:20:12",
"content": "Why is every post with a microchip tagged as an “arduino hack”? This has as much to do with arduino as it does with Lego Mindstorms. I don’t understand HAD’s fetishism with arduino.This is a WONDERFUL microcontroller project! I especially appreciate the nice, large schematic image. I’m curious – why is the ATTiny2313 is utilizing the external 20MHz crystal? Even with PWM, I wouldn’t imagine this board requires time-critical processing. Using the on-chip RC oscillator might have saved a few components. Maybe I’m missing something though. Love the SMT board. Great work!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167090",
"author": "wifigod",
"timestamp": "2010-08-09T16:03:21",
"content": "@ScottI’m not sure what you’re complaining about? There’s no mention of an “Arduino hack” and the tags don’t mention Arduino at all. They simply mentioned that he wanted TO IMPROVE BEYOND THE ARDUINO as he had his previous project utilizing an Arduino and apparently mentioning what he had improved on is considered “fetishism”. Sometimes I feel like the whole “Arduino backlash” @ HaD is fueled by irrelevant comments like yours.@JayVERY impressive compared to the last project. I may print out a couple of these boards to play with behind my TV (quasi-Ambilight effect). We’ll see if it’s even possible. I may just have to pick up one of these lamps next time I’m at Ikea.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "167095",
"author": "Caleb Kraft",
"timestamp": "2010-08-09T16:27:09",
"content": "@Wifigod,it is in the Arduino hack category.@scott,this was a logical next step from arduino, as stated from the maker. Those who are arduino only, might be enticed to further their knowledge as he did.",
"parent_id": "167090",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "167091",
"author": "Imrahil",
"timestamp": "2010-08-09T16:18:36",
"content": "hi! look at this bulb-hack –http://diy.elektroda.eu/nie-zwykla-zarowka-rgb/! :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167096",
"author": "Scott",
"timestamp": "2010-08-09T16:31:41",
"content": "@wifigod:posted Aug 9th 2010 8:00am by Caleb Kraftfiled under: arduino hacks, led hacksAnd I’m not mad, I’m just noting it’s a little funny.@Caleb: I agree and I’m somewhat glad. Arduino is an awesome way for people to dive into the microcontroller field. I greatly respect it for what it is!@EVERYONE – I have no intention of turning this thread into a flame war for/against arduino. I think we’d all benefit from dropping it. I shouldn’t have even brought it up. This is a fun project! Let’s keep it that way",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167100",
"author": "wifigod",
"timestamp": "2010-08-09T16:49:14",
"content": "@ScottMy apologies, I was looking at the tags, not categories. “tagged: ikea, led, pwm” How confusing. :-)-1 Internet Karma for me!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167113",
"author": "Jay Collett",
"timestamp": "2010-08-09T17:39:03",
"content": "@ScottBeing fairly new to AVRs when I designed this project, I wasn’t sure the internal clock would work with PWM. Looking back, your right, I could have eliminated several components by not using the external crystal.@EveryoneLet me know if you build a variant or improve the code, I’d love to see what others do…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167135",
"author": "bothersaidpooh",
"timestamp": "2010-08-09T19:26:12",
"content": "fwiw you can get 350mA RGB “pill” LEDs from Rapid.obviously they will need cooling but you can get away with a small heatsink from a graphics card if the average power is low.useful tip:- if you see an xbox hd-dvd drive take out the fan, runs nicely on 6-12V and can be speed controlled.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167143",
"author": "osgeld",
"timestamp": "2010-08-09T20:19:19",
"content": "chipset coolers from old motherboards also work okay for high powered led’s also",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167158",
"author": "Myridom",
"timestamp": "2010-08-09T22:12:31",
"content": "http://www.thinkgeek.com/gadgets/lights/831e/Thinkgeek had this for a few years..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167206",
"author": "Osgeld",
"timestamp": "2010-08-10T03:09:35",
"content": "40 bucks its a fair price for a fine product, but please place a monetary value on what this person learned from doing it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167242",
"author": "pRoFlT",
"timestamp": "2010-08-10T06:46:30",
"content": "@myridom, thanks. I built an RGB light bulb awhile back and was planning on adding remote control. I guess i can just buy one now. :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167273",
"author": "electrosthetics",
"timestamp": "2010-08-10T10:05:15",
"content": "@Myridom, I encourage people NOT to waste their money on that piece of junk. Keep to the spirit and make 15 of these for the price of that thing. (ps, I happen to own that, got it as a gift) And when you make them yourself, you can control them together with i2c or similar, interface them to whatever you want. Comments like that are seemingly irrelevant to the spirit of this site, don’t you agree. :[",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167282",
"author": "Nanna",
"timestamp": "2010-08-10T11:54:05",
"content": "To the maker:-Excellent!To the mod who posted this:-Can you please learn to put non-misleading titles to articles? You imply that this is a ‘replacement’ for a light bulb, where it is not. It is not mains powered, it does not mount to the bulb socket, therefore it is not a replacement. It is a hack.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,394.173449
|
||
https://hackaday.com/2010/08/09/guide-to-producing-tilt-shift-photography/
|
Guide To Producing Tilt-shift Photography
|
Caleb Kraft
|
[
"digital cameras hacks"
] |
[
"lens",
"miniature",
"tilt-shift"
] |
[Bhautik] is back again with more tilt-shift photography. This time, hes brought us a
quite in depth guide to tilt-shift photography
. He covers the technical side of how tilt-shift works, showing the differences in several methods. There is a breakdown of different cameras and ease of modification as well as links to
several
of his past
projects
. He even shows comparisons between instant tilt-shift Photoshop methods and the real thing, pointing out key things to look for to identify the real deal.
| 26
| 23
|
[
{
"comment_id": "167067",
"author": "elektrophreak",
"timestamp": "2010-08-09T14:25:39",
"content": "Thanks, I love tilt-shift photography!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167108",
"author": "Michael",
"timestamp": "2010-08-09T17:21:04",
"content": "Halifax, Fuck yea!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167114",
"author": "stunmonkey",
"timestamp": "2010-08-09T17:42:50",
"content": "This is as ironic as it is revolting. The concept of a tutorial on how to use a tool, from someone who obviously hasn’t even the slightest conception of the most basic functions of that tool, would be laughable if it wasn’t so pathetic.Someone here should maybe read up on what T/S lenses are actually capable of, and maybe publish spots by people who actually know what the fuck they are doing with them. Otherwise you are just encouraging people like this to continue to destroy good equipment attempting to act like they know what they are doing.This is sort of the photographic equivalent of publishing the “hack” of using a microcontroller board as a doorstop by a self-described “programmer” that doesn’t know how to code or own a computer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "167124",
"author": "Caleb Kraft",
"timestamp": "2010-08-09T18:37:40",
"content": "@Stunmonkey,I’m curious now. Please let us know more. Also, please keep it non insulting.",
"parent_id": "167114",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "167118",
"author": "bryan",
"timestamp": "2010-08-09T18:14:27",
"content": "this image isn’t really a good example of tilt-shift. no offense.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167129",
"author": "basicflashcube",
"timestamp": "2010-08-09T19:00:44",
"content": "thats a nice tutorial!here are some of my (just photoshopped) tilt shifts:http://www.youtube.com/watch?v=Dkv9O9m6dL8",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167132",
"author": "bhautik",
"timestamp": "2010-08-09T19:13:30",
"content": "@Stunmonkey: If there’s an error in my working or description, please don’t hesitate to email me with corrections or suggestions (my contact details are in the tutorial).However, I think it’s possible that you might not have actually read the article.There’s a reasonable description of the functionality of T/S lenses (both tilt and shift functions) in the ‘How does tilt-shift work’ part of the article. There is also a brief treatment of the mathematical relationships that drive the position and tilt of the in-focus volume in the appendix.If you still feel that I haven’t addressed what ‘T/S lenses are capable of’, please let me know and I shall endeavor to correct the omission.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167134",
"author": "stunmonkey",
"timestamp": "2010-08-09T19:25:48",
"content": "@Caleb KraftThere is a lot available on the subject, but in short the T/S lens (and the related movements of professional cameras) are some of the most varied, useful, and technically complex concepts in photography. Scheimpflug Movements would be a good place to start.One can control almost all aspects of perspective, even the apparent location from which the photo was taken from, the apparent distance it was taken from, choosing which aspects of the photo are in and out of focus regardless of actual distance or relative placement, altering points of convergence, making objects look larger or smaller, closer or further away, and altering the apparent size/distance relationships to each other of objects in the frame, just for a starter.There are advanced classes just to understand the basics, one that require the use of graphing calculators. It is not just a simple toy. It is one of the most subtle tools in photography.Those ignorant of its uses can crank one of its movements all the way to one side, ignore the other movements, and get images that look like bad macro photography – what we see here – but that is a very small part of what these lenses are capable of. Even then, knowledge of the proper use of the lens can produce images that look EVEN MORE like miniatures than just cranking the tilt all the way the wrong way.This “tutorial” would be like someone writing a tutorial on the iPhone 4 and only covering its use as a nutcracker and drink coaster.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "167138",
"author": "Caleb Kraft",
"timestamp": "2010-08-09T19:45:39",
"content": "@stunmonkey,Thanks for the reply with some info. Please continue to supply good constructive input with your comments. It is appreciated.@Osgeld,I’m trying here. I’m herding people towards constructive criticism. Please also help.",
"parent_id": "167134",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "167139",
"author": "bhautik",
"timestamp": "2010-08-09T19:51:33",
"content": "@stunmonkey: I belive you’ve skimmed, but not actually read the tutorial. Replying to a few of your criticisms directly:The tutorial explicitly _starts out_ covering Scheimpflug movements; I do refer advanced readers to the appendix (and a number of other excellent resources, such as Merklinger’s discussion on view camera movements) if they want to look more deeply into more exact placement of the focal planes.http://cow.mooh.org/projects/tiltshift/howdoesitwork.html#lensmovementshttp://cow.mooh.org/projects/tiltshift/appendix.htmlIt’s also repeatedly stated that the lenses are capable of many more things that just miniaturization. While I don’t consider myself an artist by any stretch of the imagination, a number of the presented photos in the tutorial demonstrate this principle fairly well.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167140",
"author": "Osgeld",
"timestamp": "2010-08-09T19:52:44",
"content": "I dunno, its mighty hard to help since you have me banned and all",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167149",
"author": "biozz",
"timestamp": "2010-08-09T20:55:09",
"content": "i have been doing tilt shift for almost 6 months and no one ever covers what tilt shift lenses were actully made for …. photographing tall objects >_<",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167150",
"author": "medix",
"timestamp": "2010-08-09T20:56:42",
"content": "I think it’s more the approach of taking a fairly expensive piece of precision optics and hose-clamping it into a rubber boot that looks similar to a dust cover for a CV joint.I’ve seen this approach before, and it makes me cringe. There’s no way in hell I’d do this to my D300 or any of my $450+ lenses without a proper mount. You can pick up used bellows fairly cheap these days.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167163",
"author": "joe57005",
"timestamp": "2010-08-09T22:57:12",
"content": "you can duplicate these results pretty convincingly using gimp and the focus blur plugin. as a matter of coincidence i made an instructable ages ago on how to do this.http://www.instructables.com/id/How-to-fake-a-miniature-model/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167167",
"author": "localroger",
"timestamp": "2010-08-09T23:31:24",
"content": "I would be much more impressed with a tech that can make photos of miniatures look more like reality — perhaps by using a very small aperture and long exposure to provide sufficient depth of field — than by attempts to make photos of real things look like the poor quality photos we get of miniatures because our tech for photographing miniatures is so bad.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167181",
"author": "Volfram",
"timestamp": "2010-08-10T01:18:59",
"content": "I’d ignore Stunmonkey. His girlfriend just left him and took all of his lenses.(left the camera, though. Just no lenses.) Also, he is obviously reading a different tutorial.localroger: this tutorial is totally for you, because that’s actually covered pretty early on.(I have read the intro and page 1. I was waiting for the rest until I got home. Really fascinating!)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167182",
"author": "Volfram",
"timestamp": "2010-08-10T01:20:27",
"content": "Well OK, I’m also reading a different tutorial. But the link for “Tilt-shift: How does tilt-shift work?” appears earlier on the page, and sounded more interesting, so I clicked that instead.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167244",
"author": "biozz",
"timestamp": "2010-08-10T07:02:28",
"content": "@Stunmonkey/all commenters who comment before readingREAD THE FULL ARTICLE BEFORE CALLING IT OUTyes i do agree that this is not the best tilt shift article but caleb is probably not a photogracker like my self (yes i invented a new word photographer-hacker … get it? … meh >_< ) but he is doing his best to keep hackaday diverse and for that i applaud himand unless hackaday is looking to hire a photogracker (*couch* i have a rather diverse photography hacking portfolio */cough*) than suck it up and take what you get",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167279",
"author": "adpsimpson",
"timestamp": "2010-08-10T10:58:25",
"content": "Stunmonkey – is your objection that the tutorial is too shallow? It spans to several pages, with links to other places for further reading and even suggestions of a good book discussing the psychology of the subject. I’d say it’s pretty good as an introduction, which is what it aims to be.And medix – is it the lenses that normally sell on ebay for under £10 that you don’t want to damage? Or would you not want to put something cheap near something expensive? Because I don’t quite understand either of them on a site about hacking.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167423",
"author": "jim",
"timestamp": "2010-08-10T22:42:04",
"content": "Tilt shift photography — an ancient and simple technique that’s about to become the lens flare effect of 2010.Please stop educating the retards — art and design is mediocre enough as it is.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167442",
"author": "Taylor Alexander",
"timestamp": "2010-08-11T00:28:02",
"content": "Who knew that a tutorial on photoshop could stir up so much trouble!*snickers* :)-Taylor",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "167560",
"author": "Caleb Kraft",
"timestamp": "2010-08-11T13:19:51",
"content": "@all,Stay on topic, don’t personally insult other commenters. You won’t be deleted for being negative or disliking the post. Only if you get offensive/trolling. Please try to give information supporting your dislikes (or likes for that matter).",
"parent_id": "167442",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "167708",
"author": "Lokifish",
"timestamp": "2010-08-11T21:45:11",
"content": "Great! A 10+ year old hack makes hack-a-day! I’ve have a plunger mount since ’98. Hope the digi photo guys understand that stuff like the predates digital all together.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167996",
"author": "Tod",
"timestamp": "2010-08-12T21:59:44",
"content": "@LokifishSure the ability to do this has been around probably as long as cameras have… and then someone figured out how to make it work.Now there’s several possible T/S lenses with the inspiration for more people here to try to replicate it digitally, make it easier and/or cheaper, and maybe read the section on how to tell the difference between real T/S and Photoshopped versions and figure out a way to eliminate those differences (or enhance them if wanted).A long, long time ago I used to watch the intro to Mr. Roger’s Neighborhood — the simulated flyover that was really just a model — and wondered, even at age 6-8, how to make it more realistic and how I might get MY neighborhood to look like ‘toys.’ The “How does tilt-shift work” section brought that all back for me and got me thinking about what to do with my digital PLUS what I might accomplish if I tried some techniques while doing underwater, coral reef photography. (Mixing kid ideas with adult talents — that’s hacking. After all, a lot of stuff here is nothing but sophisticated “toys.”)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "305497",
"author": "Jon Smith",
"timestamp": "2011-01-15T18:19:21",
"content": "Stun monkey wrote‘This is as ironic as it is revolting. The concept of a tutorial on how to use a tool, from someone who obviously hasn’t even the slightest conception of the most basic functions of that tool, would be laughable if it wasn’t so pathetic.’Stunmonkey is clearly a knob…What’s wrong with you sunmonkey? Never tried to emulate one thing with an another?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "314569",
"author": "justchillokay",
"timestamp": "2011-01-26T02:41:30",
"content": "that video above shows pics from france right?check this one out, its of the bonaventure in LA:http://www.youtube.com/watch?v=_VGP_66bMeA",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,393.942043
|
||
https://hackaday.com/2010/08/09/spin-peggy-get-3d-pov/
|
Spin Peggy, Get 3D POV
|
Jakob Griffith
|
[
"LED Hacks"
] |
[
"3d",
"display",
"don smith",
"led",
"peggy",
"persistance of vision",
"POV",
"spin",
"volumetric",
"wes faler"
] |
We put a temporary ban on posting POV projects after receiving several LED spheres back in May. But we had to lift the injunction after seeing this superb
Volumetric 3D POV display
by [Wes Faler] and [Don Smith].
Their creative use of several readily available components adds to the alluring setup; the central elements being just a box fan and
Peggy kit
from
EMSL
. The video after the jump doesn’t really do the project justice, but if you missed it at
Maker Fair Detroit
and can’t make your own it’s the best you’re going to get.
[youtube
http://www.youtube.com/watch?v=6xtUwAwZf0E%5D
| 19
| 19
|
[
{
"comment_id": "167057",
"author": "TexasWilly",
"timestamp": "2010-08-09T13:38:29",
"content": "Very cool, also I like Office Space playing in the background.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167068",
"author": "elektrophreak",
"timestamp": "2010-08-09T14:26:38",
"content": "now that is freaky!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167069",
"author": "SchrodingersCat",
"timestamp": "2010-08-09T14:35:48",
"content": "Could you do this using a standard LCD? Granted, the pixels might not be as bright, but other than that, whats stopping someone from making a 3d high-res display using POV?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167074",
"author": "Don Smith",
"timestamp": "2010-08-09T14:55:49",
"content": "SchrodingersCat –We looked at LCD panels – we could not find any fast enough – need about 1ms (1000 frames/second).This example runs about 15 fps.In the Ping/Pong demo – the computer is playing against itself – uses less space than simmulating.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167077",
"author": "wdmaker.eng",
"timestamp": "2010-08-09T15:00:36",
"content": "Wes here. We tried to figure out a LCD solution. At 100 slices per revolution, each needing to be drawn at least 10 times per second, we hit 1000 frames/second on the 2D display. The Peggy2LE’s Arduino can handle that, but we couldn’t find a LCD panel with that kind of frame rate. If you know of one, pass it along!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167087",
"author": "theIsovist",
"timestamp": "2010-08-09T15:43:43",
"content": "@SchrodingersCat –http://www.youtube.com/watch?v=6BFKC-NKRFw&feature=player_embeddedI think this is about what you’re looking for. Like Don said, you need a display that updates incredibly fast, and if I recall correctly, they don’t spin the display in this device. they spin a mirror that reflects the display, which updates with each turn. I could be completely wrong though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167088",
"author": "SchrodingersCat",
"timestamp": "2010-08-09T15:54:22",
"content": "Cheers guys, I was wondering what the constraint was. Hopefully when they develop cheap ultra fast response displays, we will see more of these.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167094",
"author": "Greycode",
"timestamp": "2010-08-09T16:23:51",
"content": "Spell check youur is spelled your.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167174",
"author": "Osgeld",
"timestamp": "2010-08-10T00:09:16",
"content": "This actually inspires me a bit, not with a peggy (little rich for my blood, hence the ghetto matrix I made), but I do have some left over matrices, enough for a 16×16 model, and some various motorsI dont know about the arduino, as a arduino user I do love it, but I also have a pic32, the launchpad, and a 16 bit freescaleeven though the resolution would be much(much)lower the added boost in raw cpu power and efficiency of software, would allow some interesting playtime with pwmok that’s it, its on the list! (right after about 2 other things)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167185",
"author": "Drone",
"timestamp": "2010-08-10T01:30:42",
"content": "“We put a temporary ban on posting POV projects after receiving several LED spheres back in May.”Why would you put a ban on POV projects? I see no ban on Arduino projects in-general?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167186",
"author": "Jakob Griffith",
"timestamp": "2010-08-10T01:35:29",
"content": "@Drone: I like to joke.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167207",
"author": "Osgeld",
"timestamp": "2010-08-10T03:13:49",
"content": "especially comming from the guy who was not around “back in May”It is kinda funny",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167296",
"author": "Tony Stark",
"timestamp": "2010-08-10T13:17:09",
"content": "3D CAD, anyone?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167428",
"author": "fuzvulf",
"timestamp": "2010-08-10T22:54:01",
"content": "sweet, would definitely like to see it with a tightly spaced grid work of surface mounted tiny ones to give you greater definition, but definitely sweet.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167810",
"author": "mirror those lcds",
"timestamp": "2010-08-12T09:55:36",
"content": "why not use several lcd’s and alternate them using mirrors?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167899",
"author": "Don Smith",
"timestamp": "2010-08-12T16:45:11",
"content": "mirror those lcds,The mirror method has its own set of problems, like a narrow viewing angle and narrow focus.Tony Stark,Yes, 3D CAD! also games.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167975",
"author": "Tod",
"timestamp": "2010-08-12T20:54:43",
"content": "Ok, since I can’t see it in person and the video doesn’t do it justice, I just have to know… Is it really a 3-D “pong”?By that I mean do the “paddles” move forward and backward as well as up and down to intercept a ball of light that appears to be moving in 3 dimensions?I can’t tell from the vid. Nice looking work, regardless though!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168225",
"author": "Don Smith",
"timestamp": "2010-08-13T15:03:07",
"content": "Tod,The Pong demo is a hack. It does play against itself as that used less memory than a simulation, but it is only 2D.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "781359",
"author": "RW222",
"timestamp": "2012-09-12T13:56:58",
"content": "Nice, I’ve been wanting to do this since at least 1990, but when I worked out data and refresh rates, despaired of homebrew lashups being possible for a long while. Some form of SATAII link over an optical or mechanical commutator miiiight be the way to go these days.I got headaches trying to figure out how even to do a 5×5 proof of concept with a z80. I kinda drifted off into halfassed designing a vector processing engine with a matrix processor based on multiple parallel z80s. Yeah it was kinda similar to the stream core type architecture now common, but even for proof of concept, z80s weren’t gonna be fast enough. I put that aside rather than try and develop it what now seems like 15 years or so too soon.Anyway, I discovered there was some kind of analog driven radar display using POV techniques back in the 50s but it was either hush hush or had too many problems to be practical at that time.I am thinking however, that the way forward with these is gonna have to be in vacuum, which is a whole ‘nother can of worms, but you at least should be able to spin the things at a decent rate without pesky air resistance getting in the way…. and then we probably run into mechanical issues with the array flying apart at 10,000 rpm or so.I still don’t know if this is a dead end or just needs lots and lots of development. I do actually have other ideas for volumetric displays, I guess I should get off my arse and do something about them this time though.RW222",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,394.047033
|
||
https://hackaday.com/2010/08/08/behind-the-scenes-of-a-1k-graphics-demo/
|
Behind The Scenes Of A 1K Graphics Demo
|
Phil Burgess
|
[
"Misc Hacks",
"Software Development"
] |
[
"1K",
"demo",
"demoscene",
"graphics",
"javascript",
"optimization"
] |
Programmer/designer [Steven Wittens] has posted a fantastic write-up on the
black art of producing compact demo code
, dissecting his own entry in the
1K JavaScript Demo Contest
. The goal is to produce the best
JavaScript
demo that can be expressed in 1024 characters or less and works reliably across all standards-compliant web browsers.
[Wittens] details several techniques for creating a lot of visual flash in very few bytes, including the use of
procedural graphics
rather than fixed datasets, exploiting
prime numbers
to avoid obvious repetitions in movement, and strategically
fudging
formulas to save space while adding visual interest. These methods are just as applicable to other memory-constrained situations, not just JavaScript — some of the contest entries bear a resemblance to the compact microcontroller demos we’ve
previously showcased
, except running in your browser window.
The contest runs through September 10th, allowing ample time to come up with something even more clever. Whether he wins or not, we think [Steven] deserves special merit on account of having one of the most stylish blogs in recent memory!
| 38
| 38
|
[
{
"comment_id": "166828",
"author": "h3po",
"timestamp": "2010-08-08T19:20:20",
"content": "wow, this javascript won’t even run at more than 5fps in my firefox 3.6.8 on one of my quadcores cores @3,0ghz",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166831",
"author": "Matthew",
"timestamp": "2010-08-08T19:31:49",
"content": "For those of you whom consider 1k to be excessive.http://www.youtube.com/watch?v=R35UuntQQF8",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166834",
"author": "M4CGYV3R",
"timestamp": "2010-08-08T19:40:59",
"content": "That’s a damn cool demo, and the submissions they link are pretty damn smooth.I always assumed JavaScript was too slow and arduous to work for any serious realtime graphics but I guess I was wrong.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166840",
"author": "junkhacker",
"timestamp": "2010-08-08T19:46:36",
"content": "@h3po same here, but runs perfectly in safari",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166843",
"author": "Osgeld",
"timestamp": "2010-08-08T19:52:16",
"content": "much more impressed by the democoders that make self contained demos in 256B-4KBpouet.net",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166844",
"author": "biozz",
"timestamp": "2010-08-08T19:59:01",
"content": "i get 20FPS on my alianware M15X with the i7 4 gig ram windows 7 nvidia GTX260M and on firefox with 2 gigs in usenot for the low end computers",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166846",
"author": "Paul",
"timestamp": "2010-08-08T20:02:57",
"content": "runs fine in chrome…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166858",
"author": "Johannes",
"timestamp": "2010-08-08T20:26:19",
"content": "Runs just fine on my dual-core from 2006 or something in firefox.Guess something is messed up at the software front h3po! Like junkhacker mentioned as well.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166878",
"author": "woutervddn",
"timestamp": "2010-08-08T20:59:55",
"content": "lol, and now I see he’s from belgium and that he studied at the same place I do, I even like him more :pbtw i have a dual core and 4gigs of ram but I can even see it on the 2004 laptop of my gf.. (damn i love opera..)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166879",
"author": "jh",
"timestamp": "2010-08-08T21:00:53",
"content": "runs smooth as silk on my Firefox 3.6.8AMD 3GHz Phenom II x4ATI HD4850 (this is probably the main bottleneck)4GB DDR2 RAM @ 1066MHzWin7pro",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166889",
"author": "T-Man",
"timestamp": "2010-08-08T21:32:30",
"content": "Runs smooth on my dualcore, Win2k3 and FF3.6.8. Might be problem with slow GPUs? Interesting to read, and well done in java, my personal favorite is the 4kb demo “Elevated” from Breakpoint,http://rgba.org/Dont download HD version unless your computors up for it. :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166892",
"author": "jc",
"timestamp": "2010-08-08T21:46:44",
"content": "I find it funny how people who are posting on a site all about hacking (aka it’s safe to assume people around here have at least some basic computer knowledge) are talking about how their video card affects JavaScript performance.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166893",
"author": "dreamer.redeemer",
"timestamp": "2010-08-08T21:48:38",
"content": "In Firefox 3.6.8 it’s a jittery mess, in Opera 10.6 it’s fast and buttery. IE 8 doesn’t even run it. This isn’t a hardware issue.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166898",
"author": "Pilotgeek45",
"timestamp": "2010-08-08T22:26:05",
"content": "I get about 1fps in Firefox on a Pentium III @ 866mhz with a Geforce4 MX & 640mb ram. I’m honestly surprised it even ran =P,",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166912",
"author": "Charles",
"timestamp": "2010-08-09T00:16:29",
"content": "25fps on:AMD Phenom II X4 965 Black Edition OCed to 4.0GHz4Gb GEIL EVO ONE DDR3 @ 2000MHzGigabyte GA-890FXA-UD5EVGA 8800 GTS 512MbWindows 7 Ultimate x64Firefox 3.6.8",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166925",
"author": "darkblackcorner",
"timestamp": "2010-08-09T01:13:24",
"content": "Very impressive. I think its pretty awesome to see it in practical use too, for example“fr-041: debris” by farbrauschhttp://www.farb-rausch.com/prod.py?which=2which only uses 177kb and can display in resolutions up to 1280 x 1024!Please note: virus scanners may flag this as a virus. It isn’t – I’ve used it myself and various sources will confirm it as a false-positive.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166953",
"author": "therian",
"timestamp": "2010-08-09T04:05:12",
"content": "showing yours hardware specifications here not only makes you look like a dick but also show how computer illiterate you really are",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166970",
"author": "cpmike",
"timestamp": "2010-08-09T05:28:31",
"content": "Getting a few frames per second on my droid. Surprised its doing as well as it is.Anyway, steve’s site is great, he has some fantastic writeups especially Making Worlds. If you enjoyed this analytical writeup, check the rest of his site.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166984",
"author": "Mark",
"timestamp": "2010-08-09T07:20:38",
"content": "” I’m really happy with how it turned out. And no, it won’t work in Internet Explorer:”Well, it works fine in IE 9 platform preview. its very smooth in conparison to firefox… if anyone else has IE9 preview installed, you should give it a go. I was impressed.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167003",
"author": "Mihail121",
"timestamp": "2010-08-09T08:26:13",
"content": "I found the demo to be somewhat disappointing. The effect is not that impressive for the 1024 category and something similar should be doable on the 256 level (I crudely guess, since I’ve worked on that level for some time).Secondly it’s a bit weird that there is a … JS category? .. Not bytes count, but … CHARACTERS?! That’s just the thing with JavaScript that it takes one dimension of possible optimizations away, i.e. I do not need to know and compare different instruction sequences to push the size of my code down — I’m just able to re-factor my code.Nevertheless, the detailed description of what steps he took why is, of course, an impressive thing for the community, I would like to personally say thanks! We need more such people.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167056",
"author": "anorm",
"timestamp": "2010-08-09T13:30:51",
"content": "3 fps on nokia 5800 opera mobile browser =)!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167058",
"author": "M4CGYV3R",
"timestamp": "2010-08-09T13:48:08",
"content": "@biozz “not for the low end computers”:Bet you’re glad you spent all that money on your ‘super rig’.I ran it on a P4 3.0GHz (yes, single-core *gasp*) with 1GB ram and a GeForce5200. No memory spike, no problems, silky smooth on FF3.6.8.I have no concept of why so many people have issues with this. Some of them even ran fine on my Droid, though never at the same FPS.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167128",
"author": "walt",
"timestamp": "2010-08-09T18:52:07",
"content": "cool. is this a java hack?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167141",
"author": "Erik Johnson",
"timestamp": "2010-08-09T19:56:58",
"content": "@Mihail121 I’d agree with you if we were talking compiled/byte code as demos traditionally are, but this is essentially the source code with is almost always many times larger than compiled counterparts.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167146",
"author": "Roman Dulgarov",
"timestamp": "2010-08-09T20:38:53",
"content": "Ohh man that reminds me of good ol dos days of demo scene. Future Crew any one? :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167160",
"author": "Mikey",
"timestamp": "2010-08-09T22:24:40",
"content": "“And no, it won’t work in Internet Explorer” — What a piece of crap.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167161",
"author": "laserbeams",
"timestamp": "2010-08-09T22:31:07",
"content": "Not a hardware issue, as someone else said, runs fast and buttery on Opera, even on a 6 year old 1.6 GHz Pentium M laptop.That said, these competitions are always fun!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167175",
"author": "Cynyr",
"timestamp": "2010-08-10T00:14:21",
"content": "Smooth as silk chromium 6 64 bit on my 2.3ghz athlon. with both running. even better when I stopped one.I like all of the math “tricks”. The demo with the light rays was mighty impressive. The writeup was very detailed as well.VOTE++",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167210",
"author": "Osgeld",
"timestamp": "2010-08-10T03:51:33",
"content": "dont make me break out the P90 8M 1M vram laptop!I have a 4M 386SX20 laptop, and a 2M Macintosh SE, and while they browse the web (386 in 16 color graphics) they are a little bit slow",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167213",
"author": "Osgeld",
"timestamp": "2010-08-10T04:03:54",
"content": "ps: most of these ran like crap, but watchableon my 2x agp sdr (512mb) ram Intel workstation 1.7ghz (PGA) P4 board at work with desktops.exe, outlook sucking down 100mb and firefoxmy old modest 4gig 800mhz-ddr2, 2.6ghz X2, with a 9600GT, ran these scripts balls out both under Windows7 and Ubuntu 10, check for driver problems spyware crapware malware, and dust, these are only 1kb scripts",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167332",
"author": "Einomies",
"timestamp": "2010-08-10T15:27:48",
"content": "Do you realize how stupid it is to run a 1k demo written in javascript, in a web browser, running on a 3+ ghz computer with multiple CPU cores?It epitomizes everything that is wrong with modern computing. Your computer is many orders of magnitude faster than 20 years ago, and still struggles to pull 20 frames per second.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167402",
"author": "Johannes Burgel",
"timestamp": "2010-08-10T19:57:17",
"content": "Where exactly is the “black art of producing compact demo code” if the demo is delivered in source code form, interpreted by a huge JavaScript VM, rendered inside a Tag, and displayed inside a Web Browser on top of huge libraries and a full-blown operating system?DirectX- or OpenGL-Demos are already cheating, but this “1k”-Demo is just a plain lie.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167448",
"author": "Phil Burgess",
"timestamp": "2010-08-11T01:01:07",
"content": "@Einomies, @Johannes: I think you’re largely missing the point of the article. It’s not like they called it an assembly language contest and then got all fat and lazy at the last minute and wrote in JavaScript. It is clearly by name a JavaScript contest, and implicit in that is a considerable underlying runtime requirement (and really not an unreasonable one, as you’re obviously already running a web browser if reading about the contest online). The goal then isn’t to start from zero, but how best to leverage the particular resources of that runtime to produce something interesting within a limited amount of source code. Their contest, their rules.So yes, the resources may be heavy and the frame rate sub-par, but that’s not the focus here – it’s about breadth of compatibility. Consider that these demos require no additional configuration or installation on the user’s part, download in less than a second even on dial-up, and run equally well (or poor, as the case may be) on Mac, Linux, several releases of Windows, and just about every smartphone and most current-generation game consoles and media players. Name one other language that all these platforms have in common and preinstalled. That’s leverage.What’s more, as the article clearly states, algorithm design is language-independent, and the core concepts will carry over to other code. These ideas will apply any time you’re in a code-constrained situation, whether the goal of the contest is 1K of JavaScript, one sector of assembly language or 88 lines of obfuscated Haskell. So hey, if you feel like running any one of those contests, providing the server resources and doing the judging and awarding prizes to contestants, knock yourself out. Your contest, your rules.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167619",
"author": "nubie",
"timestamp": "2010-08-11T18:23:17",
"content": "I found the brick game ironic in that the original game was in color with much more physics and was probably smaller.I guess it could be the limitations of JavaScript.These kinds of contests really show how slow rendering is and how poorly suited for graphical applications the web is.That said #116 motivated me to clean my screen, and then freaked me out with a single black pixel, which I realized was part of the Script when it moved with the scroll bar.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167623",
"author": "nubie",
"timestamp": "2010-08-11T18:30:51",
"content": "Huh, Breakout used TTL instead of a microprocessor, so I feel uneducated now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168703",
"author": "Hamid",
"timestamp": "2010-08-15T00:40:00",
"content": "Phil Burgess, you didn’t seem to understand the real point.Javascript as a solution to cross-platform compatibility is like solving the problem of your feet getting muddy by hiring a team of runners to carry you around on a chair, instead of buying a pair of wellingtons.There’s bound to be a better solution for it. Like, everyone agreeing upon a basic set of API/ABI for all the platforms so your software can actually run natively. There’s only two architectures around, x86 and ARM that mean anything anyways to the general public.Except it won’t happen in Open Source because it’s a herd of cats. They’ll never agree on standardizing things like what libraries you should include in your brand spanking new Linux distribution.And using javascript-spesific function calls to make small code doesn’t help you to do the same in other languages.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168871",
"author": "Phil Burgess",
"timestamp": "2010-08-15T16:50:28",
"content": "@Hamid: that’s like going to a traditional stock car race and complaining they should all be driving Formula 1 cars. (To use the inevitable car analogy, sorry. :)Nobody’s suggesting that it’s an optimal solution from a performance standpoint. But it’s what we have here and now, and is ridiculously widely deployed. Anything else, you have not only the technical hurdles, but inertia of adoption to overcome as well. Most importantly, it’s simply the point of their contest. I don’t believe JavaScript is intended as a feature in this case, but rather the handicap to level the playing field…..which really, I think, is a more realistic depiction of software engineering…where putting food on the table means programming in languages you didn’t specify, on operating systems you didn’t ask for, running on inadequate hardware you didn’t approve from vendors you don’t like. The challenge then is to create something that makes people go, “Oh, cool!” anyway. But I’m going off on a rant here. I hear what you’re saying and I don’t disagree with the principle, it’s just that this specific contest is highlighting a different set of principles…and, like a bad grammar competition, they might be entirely silly principles. The results are no less fun to observe.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168874",
"author": "Phil Burgess",
"timestamp": "2010-08-15T16:58:32",
"content": "…which was an incredibly long-winded way of saying, “Winning not BECAUSE of the tools, but DESPITE the tools.”",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,394.125718
|
||
https://hackaday.com/2010/08/08/adding-a-microphone-jack-to-a-ham-radio-handset/
|
Adding A Microphone Jack To A HAM Radio Handset
|
Caleb Kraft
|
[
"home hacks",
"Wireless Hacks"
] |
[
"ham",
"radio"
] |
[dajjhman] wrote in to show us how he
added a microphone jack to the handset of his Yaesu
radio while retaining the DTMF functions. He states that there were some adapters available on the market, but they are non standard and didn’t really fit his needs. The modification itself is pretty simple, especially with his great documentation and clear pictures. For anyone else who might need this setup, this should be a great resource.
| 18
| 17
|
[
{
"comment_id": "166818",
"author": "xeracy",
"timestamp": "2010-08-08T18:33:10",
"content": "is it true that the modification of any radio transmission/receiver device is illegal? so sayeth the fcc…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "166839",
"author": "Kelly Martin",
"timestamp": "2010-08-08T19:44:54",
"content": "Each FCC regulated service has its own rules. In some services (e.g. the Family Radio Service, or FRS) any modifications at all are prohibited. In others you may change anything that doesn’t affect the RF performance. Hams, however, are permitted to change absolutely anything they want and may even build radios entirely from scratch. All we have to do is ensure that our emissions are consistent with the rules for our service.",
"parent_id": "166818",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "166821",
"author": "Jimmy",
"timestamp": "2010-08-08T19:14:59",
"content": "Ham Radio Operators are licensed to build and modify their own equipment, even at the entry level license allotted to 7 year olds (yes, they can pass the exam!). Also, this is a modification of the external Microphone, not the transmitter so it should be allowed as long as the PTT button and such are not modified, but that’s a different story and still a gray areaand all of those rules apply to Transmitters, you can modify a receiver as long as you are not listening in on certain bands.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166822",
"author": "Pookey",
"timestamp": "2010-08-08T19:15:07",
"content": "@xeracyIncorrect. One of the main points of ham radio licensing is to encourage experimentation.If the author is a licensed amateur, he can do what he wants with his transceiver and operate it in the ham bands, so long as the radio’s emissions are compliant with the terms of his particular level of licensing.It is not at all uncommon for hams to acquire commercial radio equipment and modify it for use in the ham bands. If the FCC “sayeth” what you claim, this would be impossible.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166827",
"author": "N5DUX",
"timestamp": "2010-08-08T19:18:38",
"content": "You can modify radios, you just can’t modify them outside of your privilege class. In this case, he’s just modifying the handset which isn’t modifying the radio itself at all.Please, please, please stop capitalizing it. It’s ham, all lower case. Not HAM or H.A.M. – it doesn’t stand for anything, it’s a pseudonym for “amateur” radio. k? thx.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166832",
"author": "KI6WOW",
"timestamp": "2010-08-08T19:32:58",
"content": "folks around these parts(geographically speaking) get a little touchy when it comes to the FCC and radios. a few seem to have forgotten the idea that being ham radio, or equipment doesn’t have to pass FCC type acceptance, and by nature, it can’t.hams=hackers. usually.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166870",
"author": "KJ4SKZ",
"timestamp": "2010-08-08T20:41:09",
"content": "Good work! I like reading about ham radio hacks here.Also the comments that the fellow ham operators have left have been very informational to me.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166886",
"author": "Owen",
"timestamp": "2010-08-08T21:18:36",
"content": "HAM isn’t an acronym for anything – it’s just “ham radio” or “amateur radio” : – )",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166940",
"author": "N1IR",
"timestamp": "2010-08-09T02:36:01",
"content": "Great mod, I will have to do this as well with my FT-1900 with my Bose aviation headset. You may need to change the mic gain under the settings menu depending on what mic you use. N1IR",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167010",
"author": "strider_mt2k",
"timestamp": "2010-08-09T09:01:34",
"content": "Nice!Bummer about the switch.I think anyone who has done enough of this stuff has bunged something ELSE up in the cause of making something better.As a switch-around, you could also do something similar to this to add a DTMF encoder (or old Radio Shmack tone dialer) to a non-DTMF enabled system.Great stuff!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167037",
"author": "Gumby",
"timestamp": "2010-08-09T11:04:49",
"content": "@Owen … THANK YOU! Nothing irks me like seeing ham in all caps.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167040",
"author": "Jerome",
"timestamp": "2010-08-09T11:55:48",
"content": "A further point to the original poster. Most people DO NOT live in the USA, so anything the FCC might have to say about anything is irrelevant to the rest of us.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167176",
"author": "0x4368726973",
"timestamp": "2010-08-10T00:26:03",
"content": "@JeromeOther countries have more restrictive regulations. Some countries restrict what types of transmitters lower level licensees can use. Typically if they have such restrictions, they require rockbound (crystal controlled) transmitters",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167360",
"author": "Kyle",
"timestamp": "2010-08-10T17:01:20",
"content": "hams still have to follow rules, they just don’t have to prove it by getting their hacks certified. If hams didn’t have to follow rules I’d be building myself a nice spark-gap radio :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167430",
"author": "ke5tuz",
"timestamp": "2010-08-10T23:05:50",
"content": "@KyleYou can build a spark gap transmitter legally if you can make it efficient enough to cut down on spurrious emissions!! – I thought about trying, but it would take a lot of experimentation in a Faraday CageMaybe that’ll be my next thing sent to Hackaday – but this microphone is enough until school starts for me!-73!, ke5tuz, Jimmy",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167565",
"author": "@Dude",
"timestamp": "2010-08-11T14:30:09",
"content": "“Most people DO NOT live in the USA”Too bad… USA Rocks!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168035",
"author": "sp00nix",
"timestamp": "2010-08-13T00:56:49",
"content": "Sweet, i have this mic.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "169961",
"author": "Radio Guy",
"timestamp": "2010-08-18T18:51:11",
"content": "Great mod ! Thanks hack a day for hearing what your reads want to see. :)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,394.227152
|
||
https://hackaday.com/2010/08/08/chainsawflashlight-overkill/
|
Chainsaw/flashlight Overkill
|
Caleb Kraft
|
[
"Tool Hacks"
] |
[
"flashlight",
"overkill",
"vampire"
] |
[Robbtoberfest] has earned our admiration with this
crazy chainsaw powered spot light
. It looks horribly dangerous, extremely inefficient, and woefully under engineered. We absolutely love it.
This could be plucked from a video game or a movie and seems to be one UV bulb away from being the ultimate post apocalyptic zombie vampire Armageddon weapon. He has taken apart a chainsaw and attached it to a DC treadmill motor using a couple of bike sprockets and a chain. That DC motor then feeds a car headlight directly. As you can see in the video, when he cranks the gas, it shines pretty brightly. The unfinished nature of this is due to a deadline for a contest on instructables, so he plans on adding a protective cowl, some fancy paint work, and a voltage regulator down the road.
While this may be inefficient, it is certainly a step up from a
steam powered spud gun
.
| 45
| 42
|
[
{
"comment_id": "166780",
"author": "Nomad",
"timestamp": "2010-08-08T14:31:28",
"content": "This is totally an anti-vampire weapon :Di think i’m going to make a 3D model of this",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166782",
"author": "HARaaM",
"timestamp": "2010-08-08T14:54:43",
"content": "Will this thing charge a dead battery, on a hummer, 30 klicks north of the Green Zone?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "2812076",
"author": "Martin",
"timestamp": "2015-11-27T09:33:38",
"content": "I dont’ know about the green zone. But I’am sure it will charge a 12V battery as this headlight draws probably about 5A@12V. So after a max. of 20min you should be able to start the car/hummer.",
"parent_id": "166782",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "166783",
"author": "Sp`ange",
"timestamp": "2010-08-08T15:14:06",
"content": "I like your thinkin, HARaaM. He could add a power strip or a car lighter adapter to power other things.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166784",
"author": "Bleck",
"timestamp": "2010-08-08T15:20:10",
"content": "Reminds me of Homer’s makeup gun.http://www.youtube.com/watch?v=mR3ajfkc5TI",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166786",
"author": "localroger",
"timestamp": "2010-08-08T15:36:29",
"content": "Typical chain saw. He spends half the video trying to get it started, and it stalls while he’s demoing it. That’s not good when you’re blasting the oncoming zombies with your UV lamp mod.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166793",
"author": "Viztro",
"timestamp": "2010-08-08T16:13:32",
"content": "Groovy!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166794",
"author": "spyder_21",
"timestamp": "2010-08-08T16:16:12",
"content": "When I read the topic I thought kind of stupid. Then I seen what he did, then I thought that sweet. But then I noticed it was just made into a generator, not bad but he could of used something other than a chainsaw that stalls all the time.Good thinking though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166795",
"author": "Jake",
"timestamp": "2010-08-08T16:17:16",
"content": "Holy balls!This is why I only buy STIHL and husqvarna chainsaws! No starting problems!Pretty rad. I think it would be better to mount the motor closer to the engine, maybe even couple them together and use no chain at all. He mentions the need for a voltage regulator- IMO, the best way to get 12V from this thing and keep the weight down would be to bolt a motorcycle/snowmobile/ATV stator right to the engine, and then use the accompanying voltage regulator. Better yet, use the headlight from the donor machine as well, if it uses a halogen bulb. That would cut the weight and size almost in half!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166798",
"author": "bothersaidpooh",
"timestamp": "2010-08-08T16:50:51",
"content": "hehe, nice mod.wonder if you could charge a phosphate lithium pack from this, would make a great emergency inverter for keeping your freezer/etc going in the event of a prolonged power failure (koff 2012solarArmageddon /koff) ;-)And the light makes a great addon for warding off the armies of the undead reanimated by said solar flare… sort of like Macgyver meets Dawn of the Dead. Film at 11.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166800",
"author": "Cree",
"timestamp": "2010-08-08T17:03:26",
"content": "socks and flip-flops? really?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166804",
"author": "steaky",
"timestamp": "2010-08-08T17:33:41",
"content": "Im not going to lie, I was expecting it to keep the chainsaw blade intact.also it looks like he was afraid to go full throttle maybe because of the bulb lifetime?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166806",
"author": "barry99705",
"timestamp": "2010-08-08T18:01:08",
"content": "@steakyI was hoping for the same thing. I think he blew the light in the last few seconds of the video.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166816",
"author": "Fili",
"timestamp": "2010-08-08T18:18:24",
"content": "That’s the reason I use only electric chainsaws. They start at the push of a button. Much more reliable in case of a zombie attack. Well, as long as they don’t chew the wires and come in range of the wire. But aside from that, you’re set! :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166819",
"author": "BetaLyte",
"timestamp": "2010-08-08T18:56:37",
"content": "Nomad:Where would you publish such a model, please?Whould love one in a good resolution for a wallpaper or something.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166826",
"author": "Jake",
"timestamp": "2010-08-08T19:18:17",
"content": "@bothersaidpoohIt’s a generator, so yes, you obviously could charge batteries with it. The problem is that this is a rather inefficient setup, you would most certainly get a much higher efficiency from an actual generator. This unit retains the original clutch, and loses efficiency to the friction introduced by the chain and sprocket setup, among other things. This not to mention the fact that simply turning a motor shaft to create electricity is not very efficient (relatively speaking) to begin with.@steaky, barryHe says that he doesn’t have a voltage regulator on it, that’s why he was trying to keep the RPM so low.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "2812103",
"author": "Martin",
"timestamp": "2015-11-27T10:06:43",
"content": "A chain drive is quite efficient, that’s the reason bicycles use it – you don’t want to waste too much of your precious muscle power. The centrifugal clutch will have no friction, if the rpms are high enough and the torque is not to high. I would also keep it, it facilitates starting. Why should the motr be an inefficient generator? it looks like a permanent-magnet DC motor. The only problem is voltage regulation with this setup. You have to do it like a motorcycle regulator: Doing some PWM with thyristors or MOSFET.",
"parent_id": "166826",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "166829",
"author": "Itwork4me",
"timestamp": "2010-08-08T19:28:52",
"content": "What the guy didn’t show you is how he’s got multiple ones of these. Two for when he’s braking, two for turning, and two for hazards.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166838",
"author": "Dan",
"timestamp": "2010-08-08T19:42:21",
"content": "Wow what a piece of junk",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166869",
"author": "todd",
"timestamp": "2010-08-08T20:33:53",
"content": "i find this completely impracticable and virtually useless as/is.not only is it very dangerous(a bike chain and no guard,and did you see that chain flapping)but i doubt you would be able to hold it up for more then a minute or two with all that crap hanging off the front of it.maybe it would have some sort of use as a generator you plug into,assuming he could get it to idle but even then you would have no way to increase the rpm to deal with the load put on it,so actually it’s a useless waste of a nice old homelite saw that probably would cut real nice with a tune up and new bar and chain.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166881",
"author": "Olivier",
"timestamp": "2010-08-08T21:11:24",
"content": "Can’t wait to see the next Texas Chainsaw Massacre movie !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166895",
"author": "Diddle",
"timestamp": "2010-08-08T22:19:28",
"content": "Noisiest. Flashlight. Evar.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166907",
"author": "Hirudinea",
"timestamp": "2010-08-08T23:16:13",
"content": "Bruce Campbell called, he wants his flashlight back.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166926",
"author": "pixelwhip",
"timestamp": "2010-08-09T01:22:20",
"content": "ironic thing is, he needs to add a torch to it so you can see what you are doing when you are trying to start it in the dark..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167043",
"author": "Brad Hein",
"timestamp": "2010-08-09T12:32:49",
"content": "This is a wonderful invention and I wish I had one to bring it to show and tell at my next outdoor bonfire or camping trip!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167049",
"author": "cj",
"timestamp": "2010-08-09T12:55:45",
"content": "> the ultimate post apocalyptic zombie> vampire Armageddon weapon.Ahahahahahahaha! I had this gestaltic moment as soon as I read that. Bon mot!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167060",
"author": "gregman_1",
"timestamp": "2010-08-09T13:58:37",
"content": "What is it with all the HAD commenters lately bringing up the practicality of thisstuff? I’m pretty sure that if you were looking for practicality, “Chainsaw Flashlight” was a pretty poor choice of article to click on.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167062",
"author": "Ren",
"timestamp": "2010-08-09T14:11:16",
"content": "Chainsaw vibration + incandescent filament = short bulb lifeA rechargeable battery on the output of the DC motor would help regulate the light output.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167099",
"author": "Good-morning",
"timestamp": "2010-08-09T16:36:54",
"content": "Pink-Panther ++ Willy E. Coyote Win!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167104",
"author": "Don",
"timestamp": "2010-08-09T17:07:25",
"content": "hey why not use a car alternator!!!!!!Chevy ones (older) have built in Regulater",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "2812108",
"author": "Martin",
"timestamp": "2015-11-27T10:12:15",
"content": "Newer also :-) Only the very old ones (pre electronic days) had an external regulator box. In it basically a relay, hanging on the output voltage, vibrating at 100 or 200Hz and giving PWM to the exciter coil. But normally a car alternator is bigger and much heavier.",
"parent_id": "167104",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "167162",
"author": "steve0",
"timestamp": "2010-08-09T22:48:27",
"content": "pretty silly idea . lots of work for little gain . just my2 cents",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167165",
"author": "hyte",
"timestamp": "2010-08-09T23:18:44",
"content": "makes me want to get an old chainsaw, car altenator and some expensive hi output white leds to have a mix of hi efficiency and low efficiency with a long bulb life and constant output.It probably would work well, though i hear xenon car lights are better than leds.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167205",
"author": "jay",
"timestamp": "2010-08-10T03:00:37",
"content": "This is cool because it isn’t green.. I like to be different",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167220",
"author": "ravyne",
"timestamp": "2010-08-10T04:57:15",
"content": "You guys may be laughing, but I would have loved to have one of these when I was playing throughAlan Wake!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167224",
"author": "Jake",
"timestamp": "2010-08-10T05:28:02",
"content": "To the guys thinking that you can use a car alternator, you CAN’T without initial current to start the generation process (you’d need a battery)You need what’s called a self-exciting alternator, they can be had but are rather uncommon as compared to a regular car alternator.It’s been a while since I’ve looked at the torque requirements for your average car alternator, but I suspect that your average chainsaw engine won’t *cut* it (heheheahahaha) unless you keep the power draw pretty low. A small stator is a much lighter, more compact solution and will still provide a decent amount of current.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167225",
"author": "Jake",
"timestamp": "2010-08-10T05:29:21",
"content": "@toddHave you ever heard of a voltage regulator? They are pretty cool. You should check it out.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167226",
"author": "todd",
"timestamp": "2010-08-10T05:39:35",
"content": "@jakei most certainly have…but why are you asking ME this?what relevance does it have to my comment other then it might run the light he has mounted without blowing it.i see no use for it as i see no use for this “device”.anywhere this monstrosity could be used i bet there would be atleast 100 or more other/better/smarter/MORE PRACTICAL and useful tools that could be used.like i said this is a horrible waste of a real nice old saw that would do it’s prescribed job 100 times better then to be used as a clunky loud unbalanced flashlight.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167293",
"author": "Jake",
"timestamp": "2010-08-10T12:57:43",
"content": "@toddYou said “but even then you would have no way to increase the rpm to deal with the load put on it”This led me to believe that you don’t realize how such a device works.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167295",
"author": "Jake",
"timestamp": "2010-08-10T12:59:25",
"content": "And you’re calling a homelite saw NICE? I’d call that a $5 garage-sale-worthy piece of crap!!!If it isn’t a stihl or husqvarna, I really don’t think it’s worth using unless you are one of those people that cuts up about 1 tree per year xD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167393",
"author": "todd",
"timestamp": "2010-08-10T19:22:24",
"content": "yes the homelites were good saws,in all honisty i would rather have an old homelite xl then a stihl but that’s not my main point,my main point is that this is a useless waist of equipment and time.it’s not even close to being ergonomic in any way and a lantern would be more practical in just about any situation then this not to mention the millions of other battery and other fueled lamps.unless you actually strap this thing to your back and hike a few miles with it i just don’t see you being in a situation where this would be your only source of light",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167394",
"author": "Jake",
"timestamp": "2010-08-10T19:27:54",
"content": "@toddIt’s pretty rare to see a post on this site that could be described as ‘practical’, and that is the point – People make these things just to prove that they can. Yes, there is always a better way, and quite often these people are aware of that better way.If you’ve ever made some random gadget like this, you know that it *never* goes together the way you had it in mind (well, not unless you own a lathe, end mill, and about 1000 other shop/electrical tools and machines).Also, dude, hooked on phonics – Check it out :P :P :P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167395",
"author": "Jake",
"timestamp": "2010-08-10T19:28:30",
"content": "Oh, I forgot to mention that it helps to have an endless supply of cash and time – That also makes projects go together exactly as you imagined ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167573",
"author": "Nitori",
"timestamp": "2010-08-11T15:14:03",
"content": "This is how an ork would build a flash light.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168046",
"author": "Eraser",
"timestamp": "2010-08-13T01:50:01",
"content": "Go Jake.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,394.303587
|
||
https://hackaday.com/2010/08/07/solar-panel-charger-analysis-with-ladyada/
|
Solar Panel Charger Analysis With Ladyada
|
Caleb Kraft
|
[
"Arduino Hacks",
"Solar Hacks"
] |
[
"adafruit",
"ladyada",
"solar panel"
] |
[vimeo =
http://vimeo.com/13936259%5D
[Phillip Torrone], one of the original crew of HackaDay, now working with [LadyAda] tipped us off to this video of her
explaining the device they built for configuring
the charging circuits to be used with their solar panels. Unlike most of their tutorials, this one is not intended to be a final product sold on their store. Rather, this is a project that helps them deliver the best quality they can.
The unit itself is built around an Arduino and can log the statistics to an SD card, show battery voltage, panel voltage, and current from panel to charger. You can see in the video above how she uses this to refine her design in real time for optimal results.
| 24
| 24
|
[
{
"comment_id": "166527",
"author": "stol24",
"timestamp": "2010-08-07T15:40:08",
"content": "nice case.. (that sounds more like an industrial complex than a park btw..)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166530",
"author": "Al Drig",
"timestamp": "2010-08-07T15:46:10",
"content": "….she says….hmmmm",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166546",
"author": "A Canuck",
"timestamp": "2010-08-07T17:05:40",
"content": "It is not a project I have much interest in, but I love reading her writeups. The level of detail is excellent. It is nice to see how someone with more experience then I does things.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166550",
"author": "dawg",
"timestamp": "2010-08-07T17:12:00",
"content": "s/Pillip/Phillipsrsly HaD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166551",
"author": "Eddie",
"timestamp": "2010-08-07T17:17:31",
"content": "uhmm",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166554",
"author": "Reaper",
"timestamp": "2010-08-07T17:30:00",
"content": "Oh, the glory of digital audio filtering and remastering.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166564",
"author": "bubu",
"timestamp": "2010-08-07T18:29:36",
"content": "This is exactly what a startup called solaredge(http://www.solaredge.com/) is doing ….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166574",
"author": "Whatnot",
"timestamp": "2010-08-07T19:16:56",
"content": "So she’s claiming adding electronic doubles the current? That makes no sense unless it also half the voltage.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166582",
"author": "zerth",
"timestamp": "2010-08-07T20:12:09",
"content": "@WhatnotYes, the original charger let you adjust it up to 1000 mA by adding a resistor.I know this was really to cover the datalogger as an advert for the project case, but it still would’ve been interesting to see what the rest of the breadboard was doing.Presumably, altering that resistance to stay within the solar panel’s optimum range.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166603",
"author": "Marco",
"timestamp": "2010-08-07T21:37:02",
"content": "I was really excited to see where this was going..and then the video ended. So what are we to take away from this? Some “analog electronics” is used to double the charging (?) current. Oh and there’s a nice box, too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166613",
"author": "Jake",
"timestamp": "2010-08-07T22:14:50",
"content": "Why did she go to the trouble of using an arduino instead of just etching a board? She was doing all of the additional circuitry, it seems counter-productive to use on of those things like that…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166616",
"author": "matt",
"timestamp": "2010-08-07T22:31:19",
"content": "this article sheds some light on improving the power output of solar cells:http://en.wikipedia.org/wiki/Maximum_power_point_tracker",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166633",
"author": "D_",
"timestamp": "2010-08-07T23:31:39",
"content": "@Jake the arduino wasn’t used to make a DMM, nor is it part of the charge controller, appears the plan is to have data logging that would require the arduino.@Matt MPP tracking, that was what I couldn’t dredge out of my memory to respond to the comment by Whatnot. This is a bit difficult to wrap ones mind around, but really does make sense when it hits home.Not sure where Adafruit/ Ladyada does her work, but clearly the “park” was a private residential or industrial are green spot, with AC units running. Glad I live where the only AC I hear is my own.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166640",
"author": "Haku",
"timestamp": "2010-08-07T23:59:30",
"content": "So it logs/displays volts & amps, as well as being able to calc/view watts from the v&a?I’ve got a Metrix MTX3283 multimeter that can do that, with graphs, but the really interesting part of this, um, project is the MPPT (maximum power point tracking) she started to talk about with the extra breadboard, but then the video stopped and there’s no info on the linked url as to what she was doing with the extra breadboard. :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166649",
"author": "Arthur",
"timestamp": "2010-08-08T00:42:19",
"content": "@JakeWhy bother? If the Arduino does what you need, why would you etch up a board. Its a lot quicker this way.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166672",
"author": "therian",
"timestamp": "2010-08-08T02:29:48",
"content": "The first time I saw this project I notice same failure that I had during field try after developing mine solar charger.The failure is – too small solar panel, it gives less current than most phones want, so you cant use device when it. This limit functionality and situations where this charger can be use, for example you cant just sit in park and browse Internet on you phone without draining battery, so such charger useful only to campers on long trip who dont plan to use their phone much.Also it lose a lot of efficiency since it take much more power to charge battery instead of directly use this power",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166675",
"author": "therian",
"timestamp": "2010-08-08T02:34:58",
"content": "By the way I notice dramatic price drop on hi-efficiency solar panels, you can find 2-3 amp .5v for 5$ now and they smaller than you think",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166692",
"author": "therian",
"timestamp": "2010-08-08T04:41:15",
"content": "@Arthur “Why bother?”Maybe because in solar-charger you want to save as much energy as possible and low power consumption is not associated with an Arduino",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166693",
"author": "Mr J",
"timestamp": "2010-08-08T04:44:36",
"content": "I know it was kind of confusing. I think what she is doing is taking a 12 volt 2 watt solar panel and using a switching regulator (buck) to bring it down to 5 volts at 280 mA (about 1.4 watts). A good design tool is on the national semiconductor website called webench designer for switching regulators. Best you can get is about 90% or so efficiency on switchers and it looks like she is running about 70% with her circuit. I also think she was comparing the switching regulator to a linear regulator that has about 50% or less efficiency in this particular circuit. If you would like to design on webench try theses numbers Vin (min) = 5.5 Volts, Vin (max) = 15 Volts, Vout = 5 Volts, I out = .3 Amps, Temp 30 DEG C. Turn the webench optimizer up to 98% efficiency and you will get some nice circuit designs. The one that uses the LM21305 looks like a good candidate with about 89% efficiency at $3.55. The nice thing with national is the give you a great BOM and in some cases they can actually kit the circuit. And for the newbies out there check out EEVBLOG#90 “Linear and LDO regulators and Switch Mode Power Supply Tutorial” Dave gives a great explanation on switchers, LDOs and linear regulators. Later Mr. J",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166719",
"author": "Osgeld",
"timestamp": "2010-08-08T05:42:24",
"content": "yea the arduino is kinda piggy with its current consumption in stock formyou can dick with it and get it into ultra low modes, but thats just the chip, the regulator burns off a lot of heatI like arduino, I try to be a helpful member of the community, but yea, its overkill, its a clunky software based datalogger, and the arduino language is as about as efficient as the banning system employed hereif the arduino is an important part of this project, and you know absolutely nothing of real micro-controller development,you could still use a attiny84 with arduino code at less than 2v and 1mhz and still get correct datacrap read her article about avr dude, anyone who is not a total dolt can figure it out in less than 10 min by selectivity scan reading (I know I did)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166764",
"author": "Derek Vance",
"timestamp": "2010-08-08T13:08:34",
"content": "“Solar Panels, Getting nerds outside since 1941”nah just kidding, however i haven’t really ever looked into solar technology, leave it to Ladyada to make it interesting!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166769",
"author": "xorpunk",
"timestamp": "2010-08-08T13:29:36",
"content": "It’s possible with passive components and a single IC to handle direct solar output, but it’s still not reliable in most environments.You could do a successful startup off intelligent portable solar solutions, nobody has yet and there is plenty of profit because of cheap manufacturing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167101",
"author": "bill",
"timestamp": "2010-08-09T16:57:12",
"content": "I have wondered for years why there are not better solar charging systems. There are several successful solar panel companies that sell to everyone from the military to the eco-geeks but their solar charging offerings are still pretty sad. Many don’t even have a charge controller; just a diode to prevent reverse current.I think something that could be tuned for a particular cell and automagically optimises charging for available light would be really popular especially in the out of doors crowd. I would buy one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "180315",
"author": "Dave",
"timestamp": "2010-09-11T20:26:42",
"content": "For those that don’t understand what is going on check out this link of an Arduino MPPT DC to DC converter and why it is not needed but definetly preferred:http://www.timnolan.com/index.php?page=arduino-ppt-solar-charger",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,394.391614
|
||
https://hackaday.com/2010/08/07/texas-instruments-watch-claims-its-a-computer-mouse/
|
Texas Instruments Watch Claims It’s A Computer Mouse
|
Jakob Griffith
|
[
"computer hacks",
"Wearable Hacks"
] |
[
"chronos",
"ez430",
"flying",
"interface",
"mouse",
"snap"
] |
[youtube
http://www.youtube.com/watch?v=TDL3JRG_zrs%5D
[Jack Toole] and his team [Aaron King] and [Libo He] sent in their computer interface dubbed the
Chronos Flying Mouse
. The video above explains the concept very thoroughly, but we’ll reiterate some of the highlights here. The project uses a
Chronos EZ430
with its accelerometers to wirelessly transmit delta positions of the user’s wrist. Add a little open source software and you have a regular PC mouse, a video game joystick, a game wheel, and a few other different devices in one. We just love the suave feeling of snapping to click.
| 54
| 50
|
[
{
"comment_id": "166479",
"author": "tulcod",
"timestamp": "2010-08-07T12:47:50",
"content": "yes, being able to hold a book really is an extra feature. who would’ve known.i can’t say i’m impressed; these guys basically did for chronos what johnny lee did for the wiimote, except that johnny’s implementation didn’t imply you can only use the setup for 15 minutes at a time before your fingers get tired from snapping.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166480",
"author": "tulcod",
"timestamp": "2010-08-07T12:49:42",
"content": "hm, maybe that was a bit harsh. so let me just say that it does show how useful the chronos watch can be, especially considering its price.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166484",
"author": "DeadlyFoez",
"timestamp": "2010-08-07T12:59:40",
"content": "What is ridiculous is that TI couldn’t have found a better person to do the presentation or a better place to put the cue cards so the guy doesn’t have to keep his eyes off the camera looking like a tool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166486",
"author": "TH3W01F",
"timestamp": "2010-08-07T13:00:04",
"content": "I like it. It’s more portable than a WII mote.Although I got to wonder. How this interface do with people with arthritis?Still I like the compact, innovative design. book as a steering wheel, broomstick as a sword, Rapid fingersnaping as gun fire?I am more curious, how this will work for artists, engineers and so on?W01F",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166496",
"author": "sM10sM20",
"timestamp": "2010-08-07T13:28:49",
"content": "That kid doing all the talking sure is a tool. Nice project but sorry presentation.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166511",
"author": "stol24",
"timestamp": "2010-08-07T14:46:17",
"content": "Fun project, i bet the software side is interesting… And if they enjoyed it that’s what counts…But it is objectively useless as a mouse. It must be a nightmare to navigate, look how odd and controlled their stance is while using it..Now imagine that while lying on a couch as suggested! Now add you also have to use your second hand to push small unfriendly buttons. Well OK, control might somehow improve..What if you actually want to do something in between browsing, like tie your shoes? unstrap/strap or turn-off/turn-on each time?How do you even snap when holding a book ???I’m not even bringing up watching porn..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166525",
"author": "Whatnot",
"timestamp": "2010-08-07T15:31:21",
"content": "This demonstration makes you appreciate how wonderful the classical mouse actually is.Yeah it ends up being sarcastic because of that but it’s actually true; the mouse is a pretty good invention actually, and sure we all feel there must be a move forwards but so far nothing convinces really.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166526",
"author": "Whatnot",
"timestamp": "2010-08-07T15:33:56",
"content": "Addendum: I really like those TI gestures towards hackers, and on that count nothing but praise, but this video is just silly though.Anyway please continue making these things available TI, thanks :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166531",
"author": "Logicbloke",
"timestamp": "2010-08-07T15:49:05",
"content": "Your had gotta be real still, how about people with parkinson disease ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "437085",
"author": "Punkguyta",
"timestamp": "2011-08-18T07:37:58",
"content": "My aunt has Parkinson’s disease and that’s kinda sarcastic what you said so like yeah, go shove it.",
"parent_id": "166531",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "166540",
"author": "shinjikun34",
"timestamp": "2010-08-07T16:38:47",
"content": "or how about people like me who just have slightly shaky hands? – not very effective and it does leave a lot to desire but at the same time so does a mouse – most notably when sitting on the couch with a wireless mouse on the arm just trying to control the computer can be an amazing hassle – especially as the distance from the tv increases times the resolution of the screen (dist * reso)/accuracy – since the mouse pointer would be smaller the higher resolution, and harder to see at greater distance and the more sensitive the mouse the harder to click what you are after anyways – but beyond all of that it is useless for web browsing without a keyboard",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166544",
"author": "HackerK",
"timestamp": "2010-08-07T16:56:23",
"content": "@DeadlyFoez +1The concept is ok, nothing really ground breaking IMHO. And I am still not sure if one can really use this for a long period of time… also what if one’s back is itch and he/she try to do a scratch? ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166548",
"author": "sariel",
"timestamp": "2010-08-07T17:06:05",
"content": "great project unfortunately the video needs to be a bit more professional. I couldn’t get very excited about the product because I was constantly thinking the whole video makes it look fake. This is a way more professional video,http://www.youtube.com/watch?v=RVHGjgkFPlU",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166553",
"author": "Tech B.",
"timestamp": "2010-08-07T17:26:21",
"content": "I did the same thing, but strapped the accelerometer to a hat. My setup could just as easily be put into a glove or wrist band.I agree with the comments on the video. Yes, my video’s aren’t professional either, and I’m surprised no one said anything about it lol.Anyway I do like this post. I like things done with accelerometers. Wish I had the money for that watch, I have some ideas already.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166557",
"author": "jwiz",
"timestamp": "2010-08-07T17:36:22",
"content": "This video is sweet because that guy has such high nerd power.It wraps the counter back to awesome.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166558",
"author": "grenadier",
"timestamp": "2010-08-07T17:41:19",
"content": "It will never catch on.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166568",
"author": "Alexander Rossie",
"timestamp": "2010-08-07T18:58:32",
"content": "This is retarded. The software which comes with the mouse has this feature built in and I could knock something similar out in minutes using python. HAD is on the rocks.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166577",
"author": "Spork",
"timestamp": "2010-08-07T19:43:33",
"content": "The whole idea of a watch as a control is just silly. The cool concept here is using an accelerometer as a mouse, but definitely needs some adjusting as noted above.Consider this:Grab a normal mouse (for parts and form factor), add a button for your thumb that “activates” mouse movement. That way if you want to scratch your back, you just let go of the button! Plus it’s comfortable to use, just like a regular mouse.Now If you wanted to get fancy and make it a joystick/remote/etc. You make a small project box with the accel/bluetooth modules that fits in the bottom of the mouse, but can be taken out and used with a book/broom to make other types of controllers.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166578",
"author": "Spork",
"timestamp": "2010-08-07T19:45:31",
"content": "To comment on the video, they used this guy because he was the best at manipulating the mouse I’m sure.Also the camera crew (probably 1 person) could use lessons on white balancing and general camera operation.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166590",
"author": "zool",
"timestamp": "2010-08-07T20:27:21",
"content": "if you snap to click, how do you right click? press a button then snap?why would i want to use two handswhen i see things like this and touchscreen computers and such, it just makes me think your arm is going to get tired",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166601",
"author": "Jack Toole",
"timestamp": "2010-08-07T21:21:48",
"content": "Thanks for the comments!A regular mouse is great! But sometimes (and probably increasingly in the future) you’ll need to interact with electronics without having to find a hard surface all the time. A television already is a good example of this – no one would want a remote that you couldn’t use when you picked it up.@The constructive comments: Thanks!Before going through the other points, some of the questions can be answered by reading the wiki link (http://processors.wiki.ti.com/index.php/Chronos_Flying_Mouse)@the negative video comments: Sure, the video could use work. It was done late at night on the last day, because we spent quite a lot more effort perfecting this for the competition. This wasn’t a professional, team-developed project over several months. We shot and edited the video in the timeframe of a couple hours and without professional equipment. Sure, it leaves a lot to be desired, but if you’re interested in a specific question, you can check out the wiki or download it.@stol24: If you *must* have the cursor remain in place while tying your shoes, you can press the transmit button before and after. Although usually the mouse wandering around the screen a bit while tying shoes isn’t a big deal@shinjikun34: You can adjust the movement deadzone to the shakiness of your hands@sariel: It’s not a professional video. The program is freely available to download though, nothing’s faked on the video.@Tech B: Cool!@Alexander Rossie: If you try both the built in “mouse” feature and our project, and can still say that they’re the same, or even similar, the go ahead. But don’t say that before you’ve tried both. The original is definitely something you could hash out in an hour. Our project could definitely not.@Spork: We used the presenter we did not because of skill, as it’s not difficult to pick up, but based on who knew the most about the project. As to the actual control, we’ve had several other people try it and say it’s a lot more intuitive than they expected it to be.@zool: To right click, press the upper right watch button (similarly, the left perform up and down scroll wheel). It’s not ideal, but most people don’t right click nearly as often as they left click. Also, some tired arms could probably do the U.S. some good, as the latest Wii commercials point out.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166605",
"author": "5318008",
"timestamp": "2010-08-07T21:43:11",
"content": "My Gyration mouse is still the best air mouse. It has a “trigger” to activate when motions get translated to mouse movements.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166637",
"author": "truthspew",
"timestamp": "2010-08-07T23:43:44",
"content": "Pretty cool and I love that he’s seriously geeking out on it.Now if I could only get TI’s fulfillment house (Harte-Hanks or some such) to ship mine! I got the 433MHz. Yes, I have my amateur radio license and I can get it.But they can’t seem to get their shit together at both TI and HH.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166643",
"author": "stol24",
"timestamp": "2010-08-08T00:21:20",
"content": "@Jack TooleIt is nice you are taking the time to read through comments! My point is the following..If you:-tie your shoes-go to the fridge and open a soda-use your hands in generalyou WILL move the cursor and I assume you will accidentally trigger one or more clicks. Some random clicks can range from harmless to disastrous. Turning it on/off by clicking takes away the fun, since not-clicking is the whole point… not to mention clicking every half a minute is tedious.Anyway, you know best.Good luck with the proj!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166645",
"author": "tim",
"timestamp": "2010-08-08T00:26:19",
"content": "boost is a nice little 210Mb library, that will add 31877 files to your computer !do we really need this for gettng a few numers from a com port ?!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166647",
"author": "timmah!",
"timestamp": "2010-08-08T00:41:16",
"content": "Yeah I don’t see how you’d watch pron witn it. The mouse would be jumping all over the place…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166648",
"author": "Jack Toole",
"timestamp": "2010-08-08T00:41:25",
"content": "@stol24I’m excited to have this on here and share our project a bit, rather than having it sit on the wiki unseen, so it’s nice to read everyone’s commentsYou’re right, it is a pain, and we were thinking about having a disengage mechanism, although with time constraints and the use of every dimension already we weren’t yet able to implement one.If there’s a nice motion that makes sense for disengage, and doesn’t too easily trigger on/off, I’d be interested in adding it.We do perform a bit of sensing to try to identify if a click was intended or not, based on mouse position, but not at the level where you could just go about your business while it’s on.@timYou’re right. It’s used for the options reading rather than the com port – we need to save and load the user’s settings when the application is closed and opened. It shouldn’t be too hard to take that part out of the source (it’s all in options.cpp) and just load the option defaults by mimiking the save code in reverse. I’m hoping to get rid of that and write or find a better INI reader eventually, but with project time constraints, there wasn’t a point doing something that voters wouldn’t see the benefits of before the deadline.It also might be possible to download a prebuilt boost::program_options.lib and header files and just use those, or when I get some time upload those too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166661",
"author": "Nick",
"timestamp": "2010-08-08T01:18:23",
"content": "Looks to me like what the wii shoulda been.I love how he uses the book to position his hands like a steering wheel.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166678",
"author": "Greg",
"timestamp": "2010-08-08T02:55:27",
"content": "Great application – if you’ve used the chronos control center you know this was needed. Unlike the other submissions, this can be used for more than one narrow purpose. I might buy the watch just for this app.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166685",
"author": "Jack Toole",
"timestamp": "2010-08-08T03:36:05",
"content": "I’ve uploaded a library of just the boost program options files used by the project:http://processors.wiki.ti.com/index.php/Chronos_Flying_Mouse#Source_CodeStill not perfect, but it should be significantly easier for the non-boost user to compile",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166694",
"author": "Sam",
"timestamp": "2010-08-08T04:46:25",
"content": "It looks like they put accelerometers into a watch…What they really needs is to take a communications/media presentations class. The video makes me cringe.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166725",
"author": "neimad",
"timestamp": "2010-08-08T06:33:09",
"content": "mark zuckerberg is more pleasing to watch, and he is frightfully, woefully inept at giving any kind of oration. Worst demo of a useless technology I’ve seen in a while.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166748",
"author": "Lee Jackson",
"timestamp": "2010-08-08T10:49:06",
"content": "Great stuff and has turned me onto these watches at this price. Can anyone tell me if you can use 2 simultaniously and differentiate between the signals?Onto the use of it as a HID…use of this as a pure pointer isnt going to be as good as a real mouse of course, any one here REALLY want to use a wii remote as a substitue for their mouse? No thought not.But in an environement where precision isnt necessarily demanded AND hands free control is needed (e.g. think as an interface to a smart phone) these could be great.As for the video and presentation skills of these chaps, BRILLIANT! Best way to get good at something youre bad at is practice so I really hope the crappy comments here dont put these chaps off.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166787",
"author": "Jack Toole",
"timestamp": "2010-08-08T15:37:14",
"content": "@Lee JacksonThe wireless protocall in the default watch software (SimpliciTI) can differentiate between channels, so you can have multiple watches attached to multiple computers just fine, although making sure each links with the right computer is a tad difficult, but doable.It’s possible to connect multiple watches to the same computer, but I’m not sure if the Chronos Control Center or the Chronos Flying Mouse software supports it.And thanks for the support!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166841",
"author": "Sparky",
"timestamp": "2010-08-08T19:50:35",
"content": "I’m surprised nobody has brought this up yet, but I was thinking with 2 of those watches, you could, at least in theory, create a Minority Report style interface.I noticed a trend in smartphones recently, where you zoom in images, google earth, etc. by moving 2 fingers apart or towards each other on the screen, and you scroll or move to the next image by dragging the image on the screen.These watches could be used for a non-touch version of such interfaces, I’d think.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166899",
"author": "Davo1111",
"timestamp": "2010-08-08T22:33:10",
"content": "I bought this watch at the end of last year, and this feature comes standard. Its hardly anything new",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166903",
"author": "Jack Toole",
"timestamp": "2010-08-08T22:52:53",
"content": "@Davo1111If you have the mouse, then you can download and try our project before dismissing it (or read the other comments here discussing that issue). And if you had done that, you would already know there’s really no comparison.If you don’t want to read the rest, it basically comes down to this:The Chronos Control Center is not reasonably usableThe Chronos Flying Mouse is.I have been asked by the Chronos Control Center group how difficult it would be to change the Chronos Control Center to use the Flying Mouse code, and this is why:The “standard” mode is velocity based, so you have to balance the watch to even try to stay in one spot, can’t click with one hand, can’t act as a joystick, is raw-accelerometer data based rather than angle-based, so if you flip it past 90 degrees it will get confused, and motion will be reduced at angles significantly different than 0 degrees, has near no customization options, and won’t remember your calibration, the only thing it stores, between runs. A full features list (all of which are lacking from the Control Center) can be found on the wiki:http://processors.wiki.ti.com/index.php/Chronos_Flying_Mouse#Chronos_Flying_Mouse_FeaturesI’d appreciate it if people who have the watch actually try it before dismissing it :). If not, I can assure you that the “standard” feature is quite basic, and wasn’t ever intended to be more than a demonstration of reading the accelerometer data.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166910",
"author": "Lee Jackson",
"timestamp": "2010-08-08T23:58:17",
"content": "@Sparky : Part of the reason I was asking about the use of 2 of these. You can get away with 1 but 2 increases the range of gestures that would be possible (or at least, the range of natural gestures). Dunno, I’m looking for something to base my masters thesis on (HCI) and had been thinking of homebrew skinput but these might be fun. Course, still have the dead reckoning problem although if the accellerometers can be used to workout the angle of the watch (Is this possible Jack?) theres the possibility to have a good stab as to its current position.Anyways, tempting to look through the source on this one and buy a couple to play with :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166915",
"author": "Jack Toole",
"timestamp": "2010-08-09T00:23:02",
"content": "@Lee JordanI would quite enjoy seeing what could be done with two.But for gestures you’re going to run into the same issue we did:Accelerometers can distinguish orientation or acceleration, assuming you know the other, but not both together.(In practice it’s easier to measure orientation by assuming all acceleration is due to the normal force, which is close to correct most of the time)With cheap accelerometers (as in the watch), it’s close to impossible to distinguish movement from rotation, especially very small rotations, since the normal force the watches are feeling is so much greater than any acceleration the watch feels from movement.Various tricks with assumptions about not moving and twisting at the same time could work to get usable input on a higher end accelerometer, but with the noisy accelerometer in the watch, distinguishing motion and slight twisting back and forth is difficult even by a person, although larger twists are possible to identify.If it’s for something important like a thesis, I’d recomment going with something that has both an accelerometer and a gyroscope, which would let you measure both the orientation and objective acceleration.I’m not sure if a gyroscope could be attached to the watch somehow, since I’m more of a software developer, but that’s another option.And good luck! I’d be interested in seeing how it turns out.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166951",
"author": "tripp",
"timestamp": "2010-08-09T03:51:42",
"content": "Nice, that’s awesome, a lot more user friendly then the stock software. I had a chance to play with one of the stock ones at IEEE SouthEastCon and I was impressed. Been thinking about picking one up, its a pretty amazing little gadget.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167017",
"author": "Lee Jackson",
"timestamp": "2010-08-09T09:16:17",
"content": "@Jack : Thanks for the input; I had thought that would be the case but hoped you guys might have worked around it. Still might have to treat myself to a couple of these *grin*",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167020",
"author": "Obviosity",
"timestamp": "2010-08-09T09:35:18",
"content": "A flying mouse is called a bat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167033",
"author": "Jim",
"timestamp": "2010-08-09T10:51:08",
"content": "(PC, TV or other) Putting the watch on, taking it off, going out with it still on wrist and inconveniencing other users. As a mouse = as a remote = fail. For the PC, sure still use mouse/ pad as Jack admits in comments. TV, add a trackball to existing remote (cheap) or simply design the software interface properly so as not to require mouse style input. Tired arms is not so good for the elderly. Yes, this _is_ a cool and fun project, but does seem like it has yet to find the problem it really solves.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167054",
"author": "d1ggitydan",
"timestamp": "2010-08-09T13:22:11",
"content": "So let me just get this straight: No one here can hear the mouse in the background clicking as he is doing all this? Seriously……",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167063",
"author": "Joe",
"timestamp": "2010-08-09T14:18:48",
"content": "I cant click my fingers :(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167085",
"author": "Jack Toole",
"timestamp": "2010-08-09T15:27:13",
"content": "@d1ggitydanSeveral people here and on the wiki have downloaded and tried this. I assure you it’s not a fake :).@JoeWhen I get fed up with snapping, a sharp wrist flick, for lack of a better name, works fine.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167102",
"author": "Dosbomber",
"timestamp": "2010-08-09T17:01:58",
"content": "Looks like a neat toy.I’ll have to pick one up to try it out, hopefully along with one of TI’s new $4.30 USD uC development kits.TI has come out with some neat stuff lately.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167120",
"author": "Tidux",
"timestamp": "2010-08-09T18:18:11",
"content": "Nice toy. Where’s the Linux version?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167204",
"author": "Orb",
"timestamp": "2010-08-10T02:37:48",
"content": "There is no linux support unfortunately, for this or general development, sad really TI. I have two of these devices and it’s a great piece of hardware.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "167286",
"author": "Caleb Kraft",
"timestamp": "2010-08-10T12:10:39",
"content": "@Orb,Mike has written up directions on how to use this with Linux. We should be rolling it out this week!",
"parent_id": "167204",
"depth": 2,
"replies": []
}
]
},
{
"comment_id": "167349",
"author": "Jack Toole",
"timestamp": "2010-08-10T16:23:39",
"content": "I unfortunately don’t have Linux support for the Chronos Flying Mouse software – porting a GUI like that would be time consuming and not worth it for a competition where that’s not a judging criterion.TI however does have linux support for the Chronos Control Center and all of it’s compiler tools, and the free mspgcc is linux only.You can find Code Composer Studio beta for linux here:http://processors.wiki.ti.com/index.php/Beta_Releases_CCS",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167361",
"author": "Tachikoma",
"timestamp": "2010-08-10T17:03:43",
"content": "I can see using this for games, but not sure about high precision work related tasks.I’d love to build something like this one day. Got schematics by any chance?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,394.544573
|
||
https://hackaday.com/2010/08/06/open-graphing-calculator-beagleboard-r/
|
Open Graphing Calculator: Beagleboard + R
|
Mike Szczys
|
[
"handhelds hacks"
] |
[
"beagleboard",
"beagletouch",
"calculator",
"graphing",
"open source",
"r project"
] |
It looks like we missed the boat on this one but just in case you missed it everywhere else on the Internet, last Saturday [Matt Stack]
introduced the world to a completely open source calculator
. This marries two heartily tested open source projects; the
R Project for Statistical Computing
and the
Beagleboard
. The hardware side of things is very similar to
that Linux tablet from back in June
. It uses a stock Beagleboard with the BeagleTouch module.
Why do we care? First off, don’t forget what’s under the hood. That ARM processor kicks the 6 MHz Z80 processor found in TI’s calculators to the curb. The R language is a boon as well, offering plots of almost limitless quality and allowing extensibility that can’t be equaled with the current non-open offerings. But mostly because it’s a hack. We like seeing
software run on hardware it wasn’t intended for
.
| 24
| 24
|
[
{
"comment_id": "166259",
"author": "lwatcdr",
"timestamp": "2010-08-06T19:24:29",
"content": "Very cool.A suggestion I have would be to replace the beagle board with a GumStik to make the package a little smaller.Over all really cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166271",
"author": "daniel",
"timestamp": "2010-08-06T19:47:50",
"content": "I believe that the TI-89 and 92 run a 68k processor. The low-end 85 and 86 use the Z80. That was 10 years ago.. not sure what they’re using in newer models.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166274",
"author": "mrbippers",
"timestamp": "2010-08-06T19:52:45",
"content": "Relevant as always.http://xkcd.com/768/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166278",
"author": "Roberto",
"timestamp": "2010-08-06T20:00:23",
"content": "Is there an open source equivalent to TI’s Computer Algebra System?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166290",
"author": "aonomus",
"timestamp": "2010-08-06T20:53:06",
"content": "One thing that comes to mind: how much power does that backlight use? If you wanted to run it off of 4x AAA’s or AA’s, keep in mind the power consumption…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166291",
"author": "Jesse",
"timestamp": "2010-08-06T20:54:01",
"content": "Roberto,Not that similar, but in the ballpark, at least:http://maxima.sourceforge.net/screenshots.htmlhttp://yacas.sourceforge.net/homepage.html(sadly, its in Java)And this mysteriously HTML-only page hints at disturbances just under the surface (it’s a fork of Axiom)::http://fricas.sourceforge.net/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166293",
"author": "zigzagjoe",
"timestamp": "2010-08-06T21:02:36",
"content": "What roberto said, basically… you can have superb hardware but honestly the TI CAS is the best “solution” for doing math on calcs that I’ve seen yet. That “R” looks like it can do some interesting stuff, but it isn’t tied together nicely/easy to use. Or at least it sure doesn’t look like it.Optimally, I’d have a linux embedded comp mated to a TI keyboard (ti-89, probably), with a button to toggle from ti emulator to normal linux. Clock down the cpu and use red only when the emulator is active. Or you could do the same thing, but in hardware, with a fpga to capture keyboard input (and disable it) and the lcd output from a real TI calc.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166295",
"author": "zigzagjoe",
"timestamp": "2010-08-06T21:05:52",
"content": "Should also add that it’s just a beagleboard + lcd and probably battery boards, with R thrown on. Hardly an open source calc. Possibly if he had added a case with embedded keyboard.Also, from weeks of life on TI calcs (maybe not nspire) to 4 hours or less, never mind the hostile software.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166340",
"author": "AdamJ",
"timestamp": "2010-08-07T01:44:57",
"content": "It doesn’t bother me that people are using modules like Arduino shields, or in this case the BeagleTouch, as modular hardware is awesome. What bothers me is people putting modules together and going “Wow, look at this unique application I’ve developed!” You could put Firefox on the thing and announce “OpenInterTablet.”I’d love to see an open source calculator, but this is just an expensive ARM netbook.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166342",
"author": "Rob",
"timestamp": "2010-08-07T01:52:18",
"content": "That’s fantastic. As someone who has a lot of use for R, I’d love to see where this project goes.As AdamJ pointed out, it isn’t quite a full product yet, I can’t help but feel that I’d be better off with a Netbook, but once form factor has been figured out… I might just buy on.Rob.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166370",
"author": "biozz",
"timestamp": "2010-08-07T03:20:00",
"content": "not very portable and practical XD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166377",
"author": "kristian",
"timestamp": "2010-08-07T04:15:38",
"content": "this looks awesome, but i don’t understand… why not just use like… sage ? i feel like i’m missing something in the practicality department, and i really want to appreciate this for what it is/isn’t :P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166396",
"author": "toko online",
"timestamp": "2010-08-07T07:11:34",
"content": "are you OK???i never open my graphing calculator because i’m afraid to broke it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166495",
"author": "localroger",
"timestamp": "2010-08-07T13:28:38",
"content": "You can still get a TI83 built around a Z80, and it’s done for the reason zigzagjoe suggests — 40+ hours battery life from a set of AA cells. I wish more hardware manufacturers would figure out that there is a niche for low power ultra long battery life products.Also, while an open graphing calculator would be cool, you have to realize that one of the main reasons you’re allowed to use TI calculators on a test is that they are closed. TI has gone to a great deal of effort to convince educators that you can’t use them to cheat, which has created a bit of a love-hate relationship between TI itself and the TI hacker community.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166509",
"author": "scienceguy",
"timestamp": "2010-08-07T14:40:31",
"content": "I have to agree with those who think calling this an open source graphing calculator is a bit of a stretch. The software is powerful and the form factor / touchscreen is interesting, but in the end it’s just an app running on a netbook-esque platform. I’d love to see a device similar to my HP-48 that could be built from a kit (or pcbs that I fabricated myself from open designs) and used open source hardware and software.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166662",
"author": "svofski",
"timestamp": "2010-08-08T01:28:21",
"content": "A decent SDL calc written for/ported to Zipit Z2 would be awesome. This project is ok but isn’t it just apt-get install ^r-.* so far, no?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166830",
"author": "cb88",
"timestamp": "2010-08-08T19:29:35",
"content": "So nobody has an HP calc I bought an HP 50g recently for about 80$ and its a LOT better than a TI I just wishe there were more/better software for it and an updated compiler.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166833",
"author": "cb88",
"timestamp": "2010-08-08T19:37:39",
"content": "Oh and the Pandora already exists… and already has R (runs angstrom same as the beagleboard) and a keyboard.http://openpandora.org/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166909",
"author": "Anthony",
"timestamp": "2010-08-08T23:45:35",
"content": "Somebody please tell me I’m wrong, but this looks like a BeagleBoard ($150), BeagleTouch ($250), and a BeagleJuice ($80), for a total cost of $480+S&H+Tax. I bought my netbook from Costco for $380 out the door, and if I’d been patient, probably a full-on laptop with a Core 2 Duo for not much more, and neither would be allowed on a test, which my TI-89 is.So not to sound like a hater, but the DIY community seems to have really missed the boat with this one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167427",
"author": "jc",
"timestamp": "2010-08-10T22:51:07",
"content": "This might be a good application for the cheap Ben Nanonote",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "168033",
"author": "Woofpickle",
"timestamp": "2010-08-13T00:37:22",
"content": "I have an open source calculator, its called papyrus and chicken blood. You may use any sort of blood you like, even mix them if you so desire. You may desire to use a utensil other than your finger, I recommend a feather from the chicken you just killed so you could write grandma. THINK OF THE CHICKENS!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "178544",
"author": "JB",
"timestamp": "2010-09-07T21:46:58",
"content": "Mmm… cool project, but this “calculator”, along with all other graphing calculators, don’t fit with my idea of what a calculator should be. These are pocket (barely) computers.I just changed the battery (1 button cell) in my Casio fx-3600P (I know, it is vintage) that I used back in college. Most “real” calculators are solar now.Some colleges don’t allow anything above a TI-84+ SE. If it has an algebra solver, it is out of the list. I think any college worth its salt won’t allow the use of the top of the line calculators. What do you learn, otherwise?I think all current graphing calculators are 1) overpriced 2)too big 3) displays suck (why is that?) 4) use too much power 5) too slow. At the prices they charge I’d like to see color screens, low power cpus and high resolution.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "188566",
"author": "charter",
"timestamp": "2010-10-01T04:57:39",
"content": "Hi, Gald I came across your post. Much thanks",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "189179",
"author": "Rakesh sorathiya",
"timestamp": "2010-10-02T08:35:51",
"content": "nice",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,394.459544
|
||
https://hackaday.com/2010/08/06/miniscule-intervalometer/
|
Miniscule Intervalometer
|
Mike Szczys
|
[
"digital cameras hacks"
] |
[
"10f222",
"12f675",
"canon",
"dslr",
"intervalometer",
"pic",
"small",
"time-lapse"
] |
Calling
this intervalomemter
small would be a glaring understatement. It’s tiny enough to fit inside the plastic cover for a 2.5mm jack for use with a Canon DSLR camera. We should point out that the image we put together is a bit misleading. The picture of the jack is
version 1
of this circuit and uses an 8-pin SOIC chip. The board in the oval is version 2, with a PIC 10f222 SOT23-6 package making it
even smaller
than the original version.
This is used for time-lapse photography. When plugged in the chip draws power from the camera. Get this: it learns the timing interval by listening for the first two images. Once you’ve snapped the first two pictures the PIC will continue to take images based on that initial delay. Amazing.
[Thanks AW via
DIY Photography
]
| 43
| 43
|
[
{
"comment_id": "166207",
"author": "Brennan",
"timestamp": "2010-08-06T17:02:22",
"content": "Pretty clever software design but I would hardly call it “amazing.” I could whip that up in 15 minutes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166212",
"author": "Nemo",
"timestamp": "2010-08-06T17:20:09",
"content": "@Brennan-but you didn’t…you didn’t even think of it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166216",
"author": "Henrik Pedersen",
"timestamp": "2010-08-06T17:25:54",
"content": "@Brennan It’s not about what you COULD do it’s all about the idea.. It’s the same about people bashing arduinos and other simple developement tools.I think it’s pretty amazing, and if it was for sale on ebay he could make some good money I think ! :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166219",
"author": "jim",
"timestamp": "2010-08-06T17:42:07",
"content": "Really impressive",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166220",
"author": "svofski",
"timestamp": "2010-08-06T17:42:47",
"content": "Cool and even useful!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166222",
"author": "jim",
"timestamp": "2010-08-06T17:46:05",
"content": "Like has already been said — it’s not always the doing, it can be all about a good idea.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166226",
"author": "Brennan",
"timestamp": "2010-08-06T17:52:50",
"content": "Wow you guys are really sensitive. I complemented his idea in my post, in case you missed that. I think the guy did a fine job, I was just commenting on the HAD description that said it was “Amazing.” There are certainly projects on HAD that are amazing, but I wouldn’t consider this one of them. Sheesh, calm down.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166230",
"author": "Charper",
"timestamp": "2010-08-06T18:07:42",
"content": "Wow, one of the coolest hacks I’ve seen here in a long time. I love the unusual input method. I’ve only had the ‘pleasure’ of using one intervalometer, and it wasn’t as easy to work with to say the least.P.S. Had, you misspelled “intervalometer” in the link on the article. Got it right everywhere else though.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166231",
"author": "Luke",
"timestamp": "2010-08-06T18:09:06",
"content": "I agree with the assessment: Amazing.Yes, a lot of people could whip that up in a relatively short period of time, but they didn’t. The beauty of this is not the complexity, but the simplicity.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166232",
"author": "Vonskippy",
"timestamp": "2010-08-06T18:10:12",
"content": "Minuscule IntervalometerI saw those guys play in St. Paul in the 90’s.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166234",
"author": "Charper",
"timestamp": "2010-08-06T18:20:07",
"content": "@BrennanSorry to join in on the bashing, but this needs to be said.I highly doubt you could whip that up in 15 minutes. In fact, not having seen it before, I bet it would be impossible to whip that up in 15 minutes.As part of the simplicity, and what truly makes this Had worthy, they had to first reverse engineer how the shutter control worked. The lines are controlled by pulling them low. There’s no power available for the circuit directly from the plug. See a problem? It probably took a lot of trial and error and sitting and thinking (read: time) to figure out how much power they could steal without triggering the “Oh, you pulled the line low” response from the camera. Little things are evident in this. Why 22uF? Wouldn’t 1uF work? Actually, no, probably not. I doubt even 10uF would work. The cap has to hold up the power supply for the uC while the uC is busy pulling it’s own power supply rail to ground. How cool is that?!So – you can copy somebody else’s design and build it in 15 minutes. Awesome! There was a lot of time, energy, and creativity invested in this project. Give some credit where credit is due.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166236",
"author": "Osgeld",
"timestamp": "2010-08-06T18:24:09",
"content": "“Sorry to join in on the bashing”no your not, I bet you couldnt wait to hit that submit button“but this needs to be said.”no not reallyand yea its cool, good work to the op",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166238",
"author": "MS3FGX",
"timestamp": "2010-08-06T18:28:14",
"content": "Really clever design here. As already pointed out, this took some serious thought to pull off.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166239",
"author": "zerth",
"timestamp": "2010-08-06T18:31:50",
"content": "And it only cost a buck or two. Even the crappiest intervalometer would cost more than that for just the batteries.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166240",
"author": "mre",
"timestamp": "2010-08-06T18:33:37",
"content": "Incredibly small. in a way, sort of “duhhh” hack, as in “f!! Why hasnt anyone else (camera makers?) Think of that?” This should become product on the shelf. It is quit professionally done, clever, super useful for many camera buffs, and shouldnt be expensive to manufacture.Definately worthy of the various supportive adjectives thrown at it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166247",
"author": "Claudio",
"timestamp": "2010-08-06T18:58:32",
"content": "This is a *hack* in the best sense: clean, ingenious, very useful, very very clever (he learns which line is focus, which is shutter release!).Kudos for the author!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166249",
"author": "nes",
"timestamp": "2010-08-06T19:06:37",
"content": "Very well executed. I was about to suggest he could get it smaller by doing away with the discrete diodes and simply charging the cap on VCC via the PIC’s inbuilt input protection diodes, but then saw version 1 did exactly that. Wonder why he had to add those diodes in version 2.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166261",
"author": "therian",
"timestamp": "2010-08-06T19:29:56",
"content": "why its not build into every camera already ?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166264",
"author": "JoSSte",
"timestamp": "2010-08-06T19:33:47",
"content": "I like the idea. small package, easy configuration, no external power. but notwhat I would choose for timlapse work.I’d like better control of the interval and exposure time.Good work!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166266",
"author": "JoSSte",
"timestamp": "2010-08-06T19:35:45",
"content": "@therianThe producers war us to pay for the features. otherwise we wouldn’t have communities thinking up chdk and the likes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166267",
"author": "Haku",
"timestamp": "2010-08-06T19:36:32",
"content": "Brilliant! Looks good enough to sell. BTW I didn’t know you could get PIC chips that small!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166277",
"author": "JK",
"timestamp": "2010-08-06T19:59:18",
"content": "I’m not savvy enough with the hardware of this to do it as I’m more of a software guy but is there anybody that would be willing to build and sell me one of these?I’ve been working on my own device for time lapse but this is simply amazing.If you can and want to do it for some extra $$ let me know (kleinjo@onid.orst.edu)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166284",
"author": "Dave",
"timestamp": "2010-08-06T20:19:22",
"content": "Ah another Columbi egghttp://en.wikipedia.org/wiki/Egg_of_Columbusvery nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166294",
"author": "Charper",
"timestamp": "2010-08-06T21:03:26",
"content": "@DaveCool bit of history (or something like that) there. Never heard of that one before.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166297",
"author": "Andrew",
"timestamp": "2010-08-06T21:10:25",
"content": "Ingenious in its simplicity- I’ve made an intervalometer before and it never occurred to me to power it from the cable release port’s test voltage, or use it to detect the state of the shutter release button.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166303",
"author": "Synewave",
"timestamp": "2010-08-06T22:00:43",
"content": "@Charper-I agree that what you said “needed to be said.”Why there is always at least one person who will piss on any given HAD project, I don’t know. If they don’t piss on the project or the tools used to construct it, they piss on the writeup, the video, the audio or the background music. If you’re lucky, you get “I already did that x years ago,” or “I could have done that…” as though we should all be impressed.There must be a certain type of brain chemistry that results in the release of endorphins when a person of that type minimizes other peoples’ efforts.Bottom line, the points you made were valid.Very cool project, BTW. It’s elegant, simple, and clever. I’d buy one if the price was right.Yup, I vote for “amazing” status, too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166311",
"author": "JB",
"timestamp": "2010-08-06T22:58:31",
"content": "“8-pin SOIC ”Nope. Sorry to point that out, but that PIC in the picture is a 6 pin package. I doubt you can fit a SOIC in the plug ;)In the author’s site:“PIC10F222 microcontroller SOT23-6 “",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166312",
"author": "JB",
"timestamp": "2010-08-06T23:00:39",
"content": "Cool. Caught before I hit “submit comment”. Never mind.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166313",
"author": "JB",
"timestamp": "2010-08-06T23:02:33",
"content": "Long day in the heat. “I” didn’t catch it. I see he didn’t use a PCB for the SOIC. Clever.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166315",
"author": "biozz",
"timestamp": "2010-08-06T23:03:42",
"content": "XD wow … but kinda a bragging rights thing i do timelapse photography and my camera grip intervalometer and my wired remote intervalometer on my D90 works just fine (i even made a little ducttape holder on my tripod for it XD)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166319",
"author": "hackme",
"timestamp": "2010-08-06T23:34:53",
"content": "There’s a similiar project called HDR Jack (http://www.doc-diy.net/photo/hdr-jack/). It adds features for taking HDR pictures.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166386",
"author": "Shadyman",
"timestamp": "2010-08-07T05:34:32",
"content": "*Neo voice*: Whoa.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166410",
"author": "Koray",
"timestamp": "2010-08-07T08:03:32",
"content": "This is so clever, and therefore it is amazing. Well done guys. Sadly, the design will appear on ebay maybe as soon as next week (despite CC licencing). Then it will make someone rich, and lead to an even higher consumption of shark fins, irreversibly damaging the oceanic food chain. Sad, really…@Brennan: You are a moron.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166418",
"author": "Humble",
"timestamp": "2010-08-07T08:43:20",
"content": "Will someone explain how this thing works?I don’t understand.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166442",
"author": "Richard",
"timestamp": "2010-08-07T10:22:38",
"content": "This is such a simple idea it’s brilliant – having had the idea making it work for the first time might not have been quite so simple though, not knowing what you could get away with.My Canon camera uses the older type of connector so I may or may not be able to pull the same stunt if it doesn’t behave quite the same way – but sure as heck I’m going to *try*.Nice work, Achim – there’s a lot of win in this!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166528",
"author": "Whatnot",
"timestamp": "2010-08-07T15:41:10",
"content": "Must be hard to get that wired up though at that size, can’t it be made it just a fraction larger so that a human can actually manipulate it instead of needing some precision robot? I mean as long as it fits in that plug it’s small enough.Anyway, pretty nice hack, if only cameras weren’t either so-so or large-and-expensive I could use it too, but that doesn’t take away it’s a damn nice neat little circuit.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166632",
"author": "Achim",
"timestamp": "2010-08-07T23:26:02",
"content": "Refering to Posted at 11:20 am on Aug 6th, 2010 by CharperHi Carper,you don’t know how exactly right you are with your guesses about the cap. I think there are only few people that get this point.And (although I mention this on my site, but people are always referring to the old stuff): The version 1 is completely out-dated. It was based on a SOIC8 PIC and I think people only link to it because of the picture of the final timer.Cheers,Achim",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "166664",
"author": "Alan Parekh",
"timestamp": "2010-08-08T01:36:47",
"content": "Wow that is small. I could solder that in about 3 seconds. The entire circuit would be one big short but everything would be soldered in place. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167166",
"author": "lejupp",
"timestamp": "2010-08-09T23:29:09",
"content": "So if I want this for my 40D, would I get this stupid 3 pin connector from?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167215",
"author": "gig i",
"timestamp": "2010-08-10T04:26:41",
"content": "pentaxes do timelapse in-camera with any entered time delay but this is cool nonetheless",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167216",
"author": "Osgeld",
"timestamp": "2010-08-10T04:29:23",
"content": "the headphone jack?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "167382",
"author": "fi.sh",
"timestamp": "2010-08-10T18:34:35",
"content": "Damn, i had exactly the same idea a few months ago… but i didnt have the knowledge to realize my idea",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "170017",
"author": "Gboy",
"timestamp": "2010-08-18T21:54:56",
"content": "Now while I posses all of the seperate skills and have access to all the right equipment to do this, I had never thought to put them all together to form this. This is what deems this project “amazing”. Major props to the creator, a quality and professional end product.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,377,394.63646
|
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