url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2011/12/07/hackaday-merit-badges-now-available-at-adafruit/ | Hackaday Merit Badges Now Available At Adafruit! | Caleb Kraft | [
"News"
] | [
"badge",
"contest"
] | The folks over at Adafruit had this idea to make “merit badges” for different achievements. One of the major achievements they mentioned was having your project posted to Hackaday. They asked our approval and got it.
The badges have finally come in, so we are happy to announce them
. You can purchase them directly from... | 38 | 28 | [
{
"comment_id": "529402",
"author": "War_Spigot",
"timestamp": "2011-12-08T01:19:47",
"content": "http://hackaday.com/2011/11/07/do-not-build-a-fully-automatic-battery-launching-air-gun/this one is pretty awesome",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "... | 1,760,377,008.146406 | ||
https://hackaday.com/2011/12/07/scam-o-matic-determines-if-you-bought-fake-sd-cards/ | Scam-o-Matic Determines If You Bought Fake SD Cards | Mike Nathan | [
"Misc Hacks"
] | [
"flash",
"memory",
"scam",
"Scam-o-Matic",
"sd"
] | [Andrew] recently got scammed on an SD card purchase
and put together a small tool that can help you determine if you’ve had the wool pulled over your eyes as well.
You see, he purchased a set of MicroSD cards, all of which had an advertised capacity of 4GiB. When he tried to use them, they all failed to write more tha... | 37 | 30 | [
{
"comment_id": "529336",
"author": "deathventure",
"timestamp": "2011-12-08T00:11:57",
"content": "Only one thing to check on this and that’s if he’s trying to use them in an adapter for a full sized SD. Quite a bit of older SD card equipment won’t take SDHC cards. If it does read, it will have a s... | 1,760,377,008.222672 | ||
https://hackaday.com/2011/12/07/programming-the-6502-one-nibble-at-a-time/ | Programming The 6502 One Nibble At A Time | Mike Szczys | [
"computer hacks",
"Misc Hacks"
] | [
"6502",
"computer",
"machine code",
"programming",
"ram"
] | [Quinn Dunki] keeps rolling with her 6502 based computer build. This time around she’s added some memory to store the programs, but needed a way to get that code into the device. Above is her solution,
a bank of hex switches used to program
the 8-bit command and 16-bit address for each line of machine code.
This is a c... | 36 | 20 | [
{
"comment_id": "529261",
"author": "Xeracy",
"timestamp": "2011-12-07T23:03:12",
"content": "now, that is dedication…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "529284",
"author": "mohonri",
"timestamp": "2011-12-07T23:22:53",
"content": "Shou... | 1,760,377,008.332632 | ||
https://hackaday.com/2011/12/09/lighted-fan-pull-saves-you-from-flailing-around-in-the-dark/ | Lighted Fan Pull Saves You From Flailing Around In The Dark | Mike Nathan | [
"home hacks",
"LED Hacks"
] | [
"fan",
"led",
"light",
"solar"
] | Like many people, [yardleydobon] had a hard time locating his ceiling fan’s pull chain at night when his room is completely dark. Rather than continue to flail around blindly grasping for the chain, he decided to
find a way to illuminate it instead.
He started off by disassembling a solar garden light, retaining the so... | 25 | 20 | [
{
"comment_id": "531099",
"author": "Alex",
"timestamp": "2011-12-09T19:10:10",
"content": "I guess it works, and the handle itself looks pretty, but that wiring and the way it covers up the lamp is terribly ugly.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,377,008.502018 | ||
https://hackaday.com/2011/12/09/buzzer-project-for-classroom-team-games/ | Buzzer Project For Classroom Team Games | Mike Szczys | [
"Arduino Hacks"
] | [
"buzzer",
"game",
"keypad"
] | Want to host a Jeopardy tournament with your friends? Looking to add a bit more fairness to your school’s knowledge bowl? Perhaps you should
build some buzz-in hardware of your own
.
Here you can see [Matt Hanson’s] take on this idea. He used one Arduino to gather not just buzzer info, but also keypad data from four sa... | 6 | 4 | [
{
"comment_id": "531059",
"author": "raged",
"timestamp": "2011-12-09T18:20:13",
"content": "looks great, but I would have suggested the buzzers connect to the hub via wireless tech. Now you’ll have to bring long (tangling,tripping) wires to the class room.",
"parent_id": null,
"depth": 1,
... | 1,760,377,008.442903 | ||
https://hackaday.com/2011/12/09/tiny-audio-switcher-eliminates-repetitive-plug-swapping/ | Tiny Audio Switcher Eliminates Repetitive Plug Swapping | Mike Nathan | [
"computer hacks",
"Microcontrollers",
"Musical Hacks"
] | [
"ATtiny13A",
"audio",
"FT232R",
"pc",
"switch"
] | [Phil] uses both his computer’s speakers and a set of headphones while working at his desk, but he was growing tired of constantly having to remove the headset from his sound card in order to insert the speaker plug. He’s been meaning to
rig something up
to make it easier to switch outputs, but never seemed to get arou... | 30 | 19 | [
{
"comment_id": "530938",
"author": "Necromant",
"timestamp": "2011-12-09T17:11:36",
"content": "Nice, although I would have used vusb + 2313 =)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "531035",
"author": "Brett W. (FightCube.com)",
"ti... | 1,760,377,008.39874 | ||
https://hackaday.com/2011/12/09/follow-up-star-wars-tree-gets-an-upgrade/ | Follow Up: Star Wars Tree Gets An Upgrade | Mike Nathan | [
"Holiday Hacks",
"LED Hacks",
"Musical Hacks"
] | [
"christmas tree",
"led",
"msp430",
"piezo",
"pwm",
"star wars"
] | We asked, and [Zach] listened.
Earlier this week,
we featured a circuit he built
which allowed his tiny Star Wars Christmas tree to visually replicate the series’ theme song. Several of you, along with myself, thought it would be far cooler if the tree also played the music to accompany the light show, so [Zach] set of... | 2 | 2 | [
{
"comment_id": "530922",
"author": "Reggie",
"timestamp": "2011-12-09T16:42:19",
"content": "nice, now what about RGB lights and each note getting it’s own colour? ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "532659",
"author": "Pete",
"timestamp... | 1,760,377,008.261818 | ||
https://hackaday.com/2011/12/09/rebuilding-dried-out-capacitors/ | Rebuilding Dried Out Capacitors | Brian Benchoff | [
"classic hacks"
] | [
"capacitor",
"vintage"
] | If you’ve ever torn into very old equipment for a little refurbishment, you’ve seen ancient capacitors among tube sockets and carbon resistors. These caps are
long
past their life expectancy and are dried out. Putting a brand-new metal can cap in a piece of equipment from the 40s just seems wrong, though. Luckily, [uni... | 31 | 16 | [
{
"comment_id": "530867",
"author": "S",
"timestamp": "2011-12-09T14:28:21",
"content": "Electrically equivalent…..but to some of my audiophile customers, it is blasphemy bordering on the obscene.I maximize my bottom line with these individuals by keeping them happy with the older look of the parts.... | 1,760,377,008.569292 | ||
https://hackaday.com/2011/12/08/color-sensing-with-an-rgb-led-and-photoresistor/ | Color Sensing With An RGB LED And Photoresistor | Mike Szczys | [
"Arduino Hacks",
"LED Hacks"
] | [
"color detector",
"color sensor",
"lamp",
"rgb"
] | [Fjord Carver] brings together
an RGB LED and CdS Photoresistor to make a color sensor
. Those Cadmium Sulfide lights sensors usually have a very wide swing of resistance when exposed to varying levels of light sensitivity. That makes for great resolution when reading them using the ADC of a microcontroller. The LED co... | 11 | 8 | [
{
"comment_id": "530424",
"author": "Brendan Orr",
"timestamp": "2011-12-09T01:03:56",
"content": "Bah, beat me to it! Only mine uses 6 different LEDs instead of a single RGB one. Also, im using a TSL-230R Light-to-frequency IC instead of a photoresistor. Haven’t got through the calculation porti... | 1,760,377,008.898855 | ||
https://hackaday.com/2011/12/08/win-free-stuff-by-uploading-a-pic-of-your-fritzing-circuit/ | Win Free Stuff By Uploading A Pic Of Your Fritzing Circuit | Mike Szczys | [
"contests"
] | [
"fritzing"
] | Pull out your old Fritzing designs, or churn out a new one, and you might be able to win one of these prizes. Fritzing is looking for the top three designs which will receive these prizes. On the left is a Fritzing super upgrade kit with goodies like a Character LCD, DC motor and driver IC, shift register, LEDs, and bu... | 10 | 10 | [
{
"comment_id": "530280",
"author": "macegr",
"timestamp": "2011-12-08T22:07:54",
"content": "Designing a PCB in Fritzing is too high a price to pay…;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "530296",
"author": "Alex Rossie",
"timestamp": "2011... | 1,760,377,008.749098 | ||
https://hackaday.com/2011/12/07/i2c-level-converter/ | I2C Level Converter | Mike Szczys | [
"Misc Hacks"
] | [
"bss138",
"i2c",
"level converter",
"mosfet"
] | You’ve got several devices which communicate via the I2C protocol, but some of them can only operate at 3.3V while the rest are hungry for a 5V connection. What to do? [Linux-works]
built this I2C level converter
to solve the problem.
The circuit comes from
an NXP app note
(PDF) on the issue. You can take a quick
peek ... | 23 | 16 | [
{
"comment_id": "529198",
"author": "Bill",
"timestamp": "2011-12-07T22:17:46",
"content": "Haha, I mentioned this trick in my upcoming EEWeb interview. Pretty handy, and I haven’t seen it in many places around the web.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment... | 1,760,377,009.486215 | ||
https://hackaday.com/2011/12/07/laser-cutting-technique-makes-plywood-bendable/ | Laser Cutting Technique Makes Plywood Bendable | Mike Szczys | [
"cnc hacks"
] | [
"bendable",
"enclosure",
"flexible",
"laser cut",
"laser cutter",
"plywood"
] | Here’s a laser cutting technique that
makes thin plywood bendable
. By cutting away elongated diamond shapes from the material, a lattice of strips connected minimally by alternating tabs is left over. The wood is then bendable, and it must be somewhat durable since the idea came from a product that uses the technique ... | 42 | 21 | [
{
"comment_id": "529116",
"author": "Glenn Langton",
"timestamp": "2011-12-07T21:17:44",
"content": "Cutting a straight slits is all that is needed for this kerf bending technique. The “elongated diamond” shapes appear only as the material is flexed.",
"parent_id": null,
"depth": 1,
"re... | 1,760,377,008.974096 | ||
https://hackaday.com/2011/12/07/periodic-table-of-swearing-would-even-make-a-sailor-blush/ | Periodic Table Of Swearing Would Even Make A Sailor Blush | Mike Nathan | [
"Misc Hacks"
] | [
"funny"
] | If you often find yourself at a loss for words in the heat of an argument, perhaps this
Periodic Table of Swearing
is something you might be interested in. Built as a marketing tool for the British comic “Modern Toss”, the table features over 100 fruit machine (slot machine) buttons, each of which triggers an audio cli... | 29 | 20 | [
{
"comment_id": "529041",
"author": "Michael STephens",
"timestamp": "2011-12-07T20:13:12",
"content": "You should add a “censor” switch that just makes everything say beeeeep.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "529042",
"author": "Rob R.",
... | 1,760,377,009.289554 | ||
https://hackaday.com/2011/12/07/christmas-tree-water-sensor-gets-an-upgrade-and-a-fancy-new-box/ | Christmas Tree Water Sensor Gets An Upgrade And A Fancy New Box | Mike Nathan | [
"Arduino Hacks",
"Holiday Hacks"
] | [
"arduino",
"christmas tree",
"proto board",
"relay",
"water sensor"
] | [Eric Ayars] has a nice cast iron Christmas tree stand at home, but the only drawback is that
the stand makes it hard to see just how much water
is available to the tree.
Last year we covered a small gadget he created
to help keep tabs on the water level, but as several of you predicted,
the system eventually failed.
H... | 9 | 7 | [
{
"comment_id": "529000",
"author": "andrew",
"timestamp": "2011-12-07T19:29:04",
"content": "In his diagram, neither pin 11 or 12 is connected to ground directly. Why not? Couldn’t the capacitance sensor work if they were?",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,377,009.019164 | ||
https://hackaday.com/2011/12/07/combine-2-non-working-sony-tvs-into-one-that-works/ | Combine 2 Non-Working Sony TVs Into One That Works | Jeremy Cook | [
"Video Hacks"
] | [
"lcd",
"sony",
"tv"
] | Have you ever wondered if you could fix your two broken LCD TVs by combining them? Neither had we, but
[Redion]
did, and the answer is yes, it can be done. Although it may sound like a serious kludge, the finished product actually looks quite nice from the view provided. On the other hand, we don’t know how the inter... | 16 | 14 | [
{
"comment_id": "528921",
"author": "Josh",
"timestamp": "2011-12-07T18:02:52",
"content": "It’s like repairing items in Fallout 3!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "528924",
"author": "Per Jensen",
"timestamp": "2011-12-07T18:12:13",
... | 1,760,377,009.073036 | ||
https://hackaday.com/2011/12/07/physical-computing-just-got-a-lot-easier/ | Physical Computing Just Got A Lot Easier | Brian Benchoff | [
"Misc Hacks"
] | [
"physical computing",
"twine"
] | Putting microcontrollers in everything and tying appliances into the internet has become the DIYers’ bread and butter. There’s a ton of benefits from an Internet-enabled coffee maker, but actually
building
these projects takes a little bit of knowledge. Enter [Dave] and [John] with
Twine
– a little Internet enabled box... | 9 | 6 | [
{
"comment_id": "528905",
"author": "Alex",
"timestamp": "2011-12-07T17:36:27",
"content": "Huhm. I wonder if a PLC “ladder logic” approach would make for a better programming interface here. Writing out rules seems awfully tedious.",
"parent_id": null,
"depth": 1,
"replies": []
},
{... | 1,760,377,009.862625 | ||
https://hackaday.com/2011/12/07/hackaday-links-december-7-2011/ | Hackaday Links: December 7, 2011 | Brian Benchoff | [
"Hackaday links"
] | [
"led",
"macro",
"neurons",
"photography",
"radio scanner",
"test equipment",
"voltmeter",
"Zhu Zhu"
] | LED Neurons
[Alexandra Olivier] put up an
art installation
at Wellesley College that looks like a bunch of neurons built out of LEDs. The neurons are connected to a couple PIR sensors and ‘fire’ whenever movement is detected. The result is a lot like being inside a brain. Fitting, then, that the installation is called ... | 12 | 9 | [
{
"comment_id": "528856",
"author": "AZID",
"timestamp": "2011-12-07T16:05:23",
"content": "No link for the usb scanner?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "528862",
"author": "John Beruebe",
"timestamp": "2011-12-07T16:10:13",
... | 1,760,377,009.178721 | ||
https://hackaday.com/2011/12/05/reverse-engineering-bluetooth-using-android-and-spot-as-an-example/ | Reverse Engineering Bluetooth Using Android And SPOT As An Example | Mike Szczys | [
"Android Hacks",
"Wireless Hacks"
] | [
"bluetooth",
"nokia n900",
"reverse engineering",
"spot",
"travis goodspeed"
] | [Travis Goodspeed] wrote in to tell us about his work
reverse engineering the Bluetooth communications on this SPOT module
. He’s targeted the post as a general guide to sniffing Bluetooth transmissions, but was inspired to use the SPOT as an example after seeing
this other SPOT hack
. We know he’s a fan of
getting thi... | 4 | 4 | [
{
"comment_id": "527367",
"author": "Taylor Alexander",
"timestamp": "2011-12-05T20:57:45",
"content": "Neat! I have a device that uses proprietary software and I was hoping to sniff the password and write my own software. Hopefully this article will help with that!If anyone has any other ideas, I’m... | 1,760,377,009.220512 | ||
https://hackaday.com/2011/12/05/musical-blinky-candy-tin/ | Musical [Blinky] Candy Tin | Brian Benchoff | [
"ATtiny Hacks",
"Musical Hacks"
] | [
"attiny",
"midi",
"pac-man"
] | Since it’s the holidays and pine trees are being cut down and installed in living rooms all around the world, [Jarv] though it would be a good idea to make a
musical Christmas ornament
. He needed to keep some of his geek cred, so [Jarv] decided to build a musical [Blinky] ghost from Pacman.
A few weeks ago, [Jarv] sen... | 8 | 5 | [
{
"comment_id": "527272",
"author": "Roger",
"timestamp": "2011-12-05T19:09:41",
"content": "awesome!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "527276",
"author": "MG",
"timestamp": "2011-12-05T19:16:35",
"content": "I think I would have tried... | 1,760,377,009.33615 | ||
https://hackaday.com/2011/12/05/ethernet-controlled-garage-door/ | Ethernet Controlled Garage Door | Brian Benchoff | [
"hardware"
] | [
"arduino",
"ethernet"
] | [Thomas]’ garage door opener is a big old industrial unit, so he doesn’t have the convenience of a remote-controlled garage door opener. Obviously, this would get annoying after a while, so [Thomas] decided to build an
Ethernet enabled relay board
so he can open his door with his iPhone.
The build is based around an A... | 30 | 17 | [
{
"comment_id": "527245",
"author": "Roger",
"timestamp": "2011-12-05T18:10:15",
"content": "Could someone explain how the iphone can communicate with through ethernet?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "527355",
"author": "Guille",
... | 1,760,377,009.700753 | ||
https://hackaday.com/2011/12/05/an-iambic-keyer-in-5-minutes/ | An Iambic Keyer In 5 Minutes | Brian Benchoff | [
"Arduino Hacks"
] | [
"arduino",
"cw",
"iambic",
"telegraph"
] | When most people think about a telegraph key, a piece of 1890s tech with a lever that moves up and down comes to mind. These ‘straight keys’ were terrible for telegraphers and led to repetitive stress injuries like carpel tunnel syndrome..Iambic keys came along and move the contacts to a horizontal position. If you eve... | 17 | 11 | [
{
"comment_id": "527217",
"author": "sawo",
"timestamp": "2011-12-05T17:30:33",
"content": "Carpal Tunnel Syndrome, not Carpel…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "527247",
"author": "brad",
"timestamp": "2011-12-05T18:12:47",
"content":... | 1,760,377,009.613684 | ||
https://hackaday.com/2011/12/05/the-force-is-strong-with-this-christmas-tree-light-show/ | The Force Is Strong With This Christmas Tree Light Show | Mike Nathan | [
"Holiday Hacks",
"LED Hacks",
"Musical Hacks"
] | [
"christmas tree",
"led",
"msp430",
"pwm",
"star wars"
] | [Zach] is a huge Star Wars fan, and in addition to the array holiday decorations that adorn his house, he says that his wife is nice enough to let him put up
a Christmas tree full of Star Wars ornaments.
For the past few years, the tree sat in the corner of the room unlit, but his wife thought that it should have some ... | 6 | 6 | [
{
"comment_id": "527220",
"author": "josh trow",
"timestamp": "2011-12-05T17:32:33",
"content": "“…his wife provided a lovely violin accompaniment to the tree…”You got yourself a keeper there.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "527236",
"author... | 1,760,377,009.558922 | ||
https://hackaday.com/2011/12/05/dash-mounted-nook-color-is-a-perfect-head-unit-replacement/ | Dash-mounted Nook Color Is A Perfect Head Unit Replacement | Mike Nathan | [
"Tablet Hacks",
"Transportation Hacks"
] | [
"head unit",
"Jeep",
"Nook Color"
] | XDA forum member [craigbru] wanted to beef up the audio setup in his Jeep, and thought that his
Nook Color would make a suitable replacement.
Since he jailbroke the e-reader, the head unit upgrade lets him do just about anything you can imagine, all from the comfort of the driver’s seat.
Seeing that he would continue t... | 30 | 8 | [
{
"comment_id": "527104",
"author": "Andrew",
"timestamp": "2011-12-05T14:31:33",
"content": "Why not use bluetooth for audio too? No contacts needed.Oh, and First Post!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "527129",
"author": "Pup",
... | 1,760,377,009.817069 | ||
https://hackaday.com/2011/12/04/a-keyboard-for-your-fignition/ | A Keyboard For Your FIGnition | Brian Benchoff | [
"classic hacks",
"hardware"
] | [
"fignition",
"keyboard"
] | [Carl] sent in his
keyboard
he made for his FIGnition microcomputer. At least now he has more than 8 buttons.
The
FIGnition
is a tiny little microcomputer that harkens back to the 8-bit days of yore. Designed to be an educational computer like the
Altair
or
Heathkit
(sans blinkenlights), the FIGnition gives its student... | 13 | 10 | [
{
"comment_id": "526613",
"author": "Jakob",
"timestamp": "2011-12-04T20:43:50",
"content": "Cool, better keyboard than my new one I bought. Hard to find the buttons my is to small.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "526615",
"author": "lnm",
... | 1,760,377,009.749476 | ||
https://hackaday.com/2011/12/07/aluminum-bending-tutorial-and-a-diy-brake/ | Aluminum Bending Tutorial And A DIY Brake | Brian Benchoff | [
"classic hacks",
"Tool Hacks"
] | [
"aluminium",
"brake",
"enclosure",
"fabrication",
"metalwork"
] | What makes a project really exceptional? Part of it is a, ‘gee, that’s clever’ angle with a little bit of, ‘that’s actually possible.’ One thing the Hack a Day crew really appreciates is awesome enclosures. Altoids tins will get you far, but to step up to the big leagues you’ve got to bend some aluminum. Luckily, [Rupe... | 10 | 5 | [
{
"comment_id": "528813",
"author": "Alex",
"timestamp": "2011-12-07T15:08:05",
"content": "I use a bench vise and a wooden bar to bend smaller pieces, but this is MUCH nicer! I’m going to make one of these.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5288... | 1,760,377,009.903437 | ||
https://hackaday.com/2011/12/07/awesome-little-uav-flies-1-km/ | Awesome Little UAV Flies 1 Km | Brian Benchoff | [
"hardware",
"Toy Hacks"
] | [
"OpenPilot",
"remote control",
"uav",
"UAVTalk"
] | After going to an SMD soldering workshop at the Stuttgart hackerspace ShackSpace, [Corvus] decided to be an over achiever and build a flight controller for his very own
unmanned aerial vehicle
.
The airplane itself is a regular store-bought foam contraption, and not terribly interesting in and of itself. Autonomous fli... | 14 | 8 | [
{
"comment_id": "528806",
"author": "steve",
"timestamp": "2011-12-07T14:53:24",
"content": "Illegal here in Germany.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "528845",
"author": "Nomad",
"timestamp": "2011-12-07T15:49:22",
"cont... | 1,760,377,010.114631 | ||
https://hackaday.com/2011/12/06/web-enabled-kinect/ | Web-enabled Kinect | Brian Benchoff | [
"Kinect hacks"
] | [
"ajax",
"HTTP",
"Kinect",
"web"
] | There are Kinect hacks out there for robot vision, 3D scanners, and even pseudo-LIDAR setups. Until now, one limiting factor to these builds is the requirement for a full-blown computer on the device to deal with the depth maps and do all the necessary processing and computation. This doesn’t seem like much of a proble... | 11 | 4 | [
{
"comment_id": "528365",
"author": "Matt",
"timestamp": "2011-12-07T00:37:03",
"content": "So now we’re wrapping video in JSON in HTTP?What is the world coming to…Seriously, give the JSON a rest, folks!I don’t think your HTTP server is going to be processing video in real time, so there’s no reason... | 1,760,377,010.061601 | ||
https://hackaday.com/2011/12/06/exterior-grade-electrical-box-as-project-enclosure/ | Exterior-grade Electrical Box As Project Enclosure | Mike Szczys | [
"Misc Hacks"
] | [
"electrical box",
"enclosure",
"exterior"
] | The quest for a project box is always a balance between cost, complexity, and style. We think [Pcmofo] really finds the mark with his exterior electrical box enclosures. He took the time to
document his fabrication process
for those that want to replicate his look.
These grey plastic boxes are meant to keep the element... | 14 | 12 | [
{
"comment_id": "528348",
"author": "Tinkering Engineer",
"timestamp": "2011-12-07T00:22:00",
"content": "If you do this a lot or want to make it easy, get yourself a round hole knockout punch from McMaster-Carr or a similar place. You drill a small pilot hole and then use the knockout to punch out ... | 1,760,377,010.163524 | ||
https://hackaday.com/2011/12/06/echo-box-shakes-itself-to-make-sound/ | Echo Box Shakes Itself To Make Sound | Mike Szczys | [
"Microcontrollers"
] | [
"08m",
"echo box",
"knock block",
"PICAXE",
"piezo",
"vibration"
] | The echo box
performs exactly as its name implies. If you tap out a rhythm on the lid, it will tap the same thing back to you. Except it isn’t tapping to make the sound, but vibrating.
The concept is similar to
the Knock Block
. In that hack, a piezo element detected a rapping on the wooden enclosure and repeated the r... | 6 | 2 | [
{
"comment_id": "528293",
"author": "jordan",
"timestamp": "2011-12-06T23:23:27",
"content": "what is up with all these videos with black bars on the side?otherwise, nice project! i have a piezo, and may try it out!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,377,010.207964 | ||
https://hackaday.com/2011/12/06/reverse-voltage-protection-with-a-p-fet/ | Reverse Voltage Protection With A P-FET | Mike Szczys | [
"Misc Hacks"
] | [
"mosfet",
"p-fet",
"protection",
"reverse voltage"
] | [Afroman’s] latest video shows you how to
add reverse voltage protection with minimal power loss
. At some point, one of your electronic concoctions will turn out to be very useful. You want to make sure that a battery plugged in the wrong way, or a polarity mistake with your bench PSU doesn’t damage that hardware. It’... | 51 | 26 | [
{
"comment_id": "528250",
"author": "JoshN",
"timestamp": "2011-12-06T21:41:46",
"content": "Excellent video! Thanks.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "595531",
"author": "Maria",
"timestamp": "2012-03-05T21:17:56",
"cont... | 1,760,377,010.294971 | ||
https://hackaday.com/2011/12/06/sound-treating-a-studio/ | Sound Treating A Studio | Brian Benchoff | [
"Musical Hacks"
] | [
"sound treatment",
"soundproofing",
"studio"
] | Looks like [Dino] is getting the band back together. After a junkyard tube amp and a DIY tremolo stompbox, he’s back again, this time doing a bit of
sound treatment in his studio
.
Most rooms naturally have a bit of flutter echo. You’ll notice this when you move into an apartment or new house – rooms sound a lot more c... | 14 | 8 | [
{
"comment_id": "528179",
"author": "fartface",
"timestamp": "2011-12-06T19:23:11",
"content": "rehearsal? yes. Also he went expensive. wrap hard fiberglass panels or fiberglass ceiling tiles in cloth and hang them on walls to do the same thing for about $5.95 each.For recording, hang blankets o... | 1,760,377,010.599957 | ||
https://hackaday.com/2011/12/06/avr-external-memory-interface-xmem-reads-input-matrix/ | AVR External Memory Interface (XMEM) Reads Input Matrix | Mike Szczys | [
"Microcontrollers"
] | [
"74hc573",
"atmega640",
"AVR",
"input",
"multiplex",
"shift register",
"xmem"
] | Reading from a large number of inputs, like this piano keyboard, can be tedious. Even when multiplexing there’s a lot to keep track of. But if you choose the right microcontroller, you may have hardware assistance. Here’s an ATmega640 is
using it’s external memory interface to read the key matrix
.
You may remember the... | 3 | 3 | [
{
"comment_id": "528231",
"author": "behle",
"timestamp": "2011-12-06T21:07:05",
"content": "Yay, nice work!I’ve got mine lying around somewhere with a simmilar approach.An ATMEGA32, two 8 bit registers. The first one as output, the second one as input.You shift a one through the cleared output regi... | 1,760,377,010.548579 | ||
https://hackaday.com/2011/12/06/playing-classic-60s-tunes-with-an-all-electronic-band/ | Playing Classic 60s Tunes With An All Electronic Band | Mike Nathan | [
"classic hacks",
"Musical Hacks"
] | [
"music",
"oscilloscope",
"scanner"
] | If you are considering repurposing some old computer equipment to create music, be aware that
the bar has been raised just a tad
. YouTube user [BD594] spent some time sifting through his bin of used electronics and put together a 5-piece band that plays a pretty awesome rendition of The Animals’ “House of the Rising S... | 16 | 14 | [
{
"comment_id": "528066",
"author": "SenorD",
"timestamp": "2011-12-06T16:29:05",
"content": "This guy’s youtube channel has a Marilyn Manson cover as well as one from queen, though this is his best work yet. The most hilarious part is the name of the band, the EOL band.http://www.youtube.com/user/b... | 1,760,377,010.506543 | ||
https://hackaday.com/2011/12/06/this-toy-intercom-system-is-way-better-than-a-pair-of-tin-cans-and-some-string/ | This Toy Intercom System Is Way Better Than A Pair Of Tin Cans And Some String | Mike Nathan | [
"classic hacks"
] | [
"analog",
"intercom",
"telephone"
] | On his blog, [Kenneth Finnegan] recently showed off a replica of a fun toy he used to play with as a kid,
a telephone intercom system.
The setup is pretty simple, requiring little more than a pair of analog phones, a battery, and a resistor.
The phones are connected to one another using a standard telephone cable, but ... | 36 | 21 | [
{
"comment_id": "528032",
"author": "Thomas Wrobel",
"timestamp": "2011-12-06T15:31:30",
"content": "Ha :D finally something at my level ;)I did exactly this when I was 9 :PNot that I have got better since.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "528046... | 1,760,377,010.671078 | ||
https://hackaday.com/2011/12/06/two-telescope-improvements/ | Two Telescope Improvements | Brian Benchoff | [
"Tool Hacks"
] | [
"auto focuser",
"off axis guider",
"telescope"
] | Despite being a college class everyone regarded as an easy ‘A,’ astronomy is very hard work. Not only do many hours go into capturing a single image, the equipment itself must be constantly monitored well into the freezing cold of night. [Jerry] sent in a few neat projects that have made his nights much more comfortabl... | 5 | 4 | [
{
"comment_id": "528002",
"author": "Kris Lee",
"timestamp": "2011-12-06T15:02:22",
"content": "Does he show his astrophotos somewhere? Searched his Flickr account but did not find anything.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "528024",
"author":... | 1,760,377,010.45495 | ||
https://hackaday.com/2011/12/05/update-tiny-line-follower-and-more/ | Update: Tiny Line-follower And More | Mike Szczys | [
"Robots Hacks"
] | [
"ATmega128",
"bluetooth",
"line follower",
"matchbox",
"PocketBot"
] | This tiny line-following robot is quite impressive. It’s [Ondrej Stanek’s] second take on the design,
which he calls PocketBot 2
. Just like
the earlier version
, this robot is small enough to fit in a matchbox, but it’s received several upgrades in this iteration.
The coin cells that ran the previous version have been... | 27 | 20 | [
{
"comment_id": "527450",
"author": "svofski",
"timestamp": "2011-12-05T23:24:27",
"content": "very cool little bot, great construction and presentation. Gold medal well deserved :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "527456",
"author": "roboman... | 1,760,377,010.770694 | ||
https://hackaday.com/2011/12/05/slowing-a-bopit-so-the-littles-ones-can-play-too/ | Slowing A Bopit So The Littles Ones Can Play Too | Mike Szczys | [
"Toy Hacks"
] | [
"bopit",
"potentiometer",
"resistor",
"speed"
] | [Johnny Halfmoon] wanted to help out his three-year-old who was fascinated by the Bopit electronic game. In its stock condition it’s a bit too fast for the young one, so
he cracked it opened and added the option to slow things down
.
Above you can see the Bopit Extreme with the top half of the case removed. Although no... | 11 | 9 | [
{
"comment_id": "527448",
"author": "Max S.",
"timestamp": "2011-12-05T23:20:44",
"content": "Now this is a hack!Fantastic. This will help a lot of people,especially disabled folks. I could see thishack being used for special needs kids as well.The slow voice is funky, but who cares?",
"parent... | 1,760,377,011.020134 | ||
https://hackaday.com/2011/12/05/web-enabled-coffee-maker-over-complicates-your-break-time/ | Web-enabled Coffee Maker Over-complicates Your Break Time | Mike Szczys | [
"cooking hacks"
] | [
"adc",
"arduino",
"coffee",
"ethernet",
"pic"
] | Some think that grinding the beans and filling the coffee maker is part of the coffee-drinking ritual, but [Jamie] isn’t one of them. Instead, he’s been working to
make this coffeemaker a web-enabled device
. He built it as part of a class project, and has implemented most of what you need to make a cup of Joe automati... | 18 | 11 | [
{
"comment_id": "527388",
"author": "Asmor",
"timestamp": "2011-12-05T21:34:35",
"content": "But does it implement RFC 2324?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "527407",
"author": "ScottInNH",
"timestamp": "2011-12-05T22:05:57",
... | 1,760,377,011.117159 | ||
https://hackaday.com/2011/12/14/ultrasonic-combo-lock/ | Ultrasonic Combo Lock | Mike Szczys | [
"Arduino Hacks"
] | [
"code",
"combination",
"lock",
"ping",
"ultrasonic"
] | [John Boxall] took a different route for a single-input combination lock. This unit uses a Ping
ultrasonic range finder to input a four digit code
. It’s a hardware upgrade, but uses the same basic concept as
his button-based combo lock
. That design used an Arduino to measure how long you hold down a single button, wi... | 3 | 2 | [
{
"comment_id": "535927",
"author": "mouse",
"timestamp": "2011-12-15T01:48:50",
"content": "It’s a lock? With Philips head screws, and sensitive bits, and isn’t hammer proof-or kick proof for that matter.It is an input device. A pretty cool input device. I want to see it become smaller, applied to ... | 1,760,377,011.587618 | ||
https://hackaday.com/2011/12/14/how-the-kindle-touch-jailbreak-was-discovered/ | How The Kindle Touch Jailbreak Was Discovered | Mike Szczys | [
"Kindle hacks",
"Security Hacks"
] | [
"jailbreak",
"kindle",
"kindle touch",
"root"
] | The Kindle Touch has been rooted
! There’s a proof video embedded after the break, but the best part about this discovery is that [Yifan Lu] wrote in-depth about how he discovered and exploited a security hole in the device.
The process begins by getting a dump of the firmware. If you remove the case it’s not hard to f... | 15 | 10 | [
{
"comment_id": "535693",
"author": "BLuRry",
"timestamp": "2011-12-14T20:17:27",
"content": "Hacking with audio. It’s like SnowCrash man… That white noise will fry your brain. :-D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "535699",
"author": "Rob We... | 1,760,377,010.970887 | ||
https://hackaday.com/2011/12/14/rudolph-toy-hacked-to-announce-incoming-email/ | Rudolph Toy Hacked To Announce Incoming Email | Mike Nathan | [
"Misc Hacks",
"Toy Hacks"
] | [
"email",
"Gmail",
"phoneme",
"propeller",
"toy"
] | Tis the season for hacking, and [Nick McClanahan] at the GadgetGangster is certainly
showing off his Christmas spirit
with his most recent creation. He had an animatronic Rudolph the Red Nosed Reindeer toy sitting around and thought it would be fun to convert him into an email reading machine.
He tore open the toy, rem... | 6 | 6 | [
{
"comment_id": "535669",
"author": "Chris",
"timestamp": "2011-12-14T19:22:21",
"content": "I’ll bet those e-mails that come in at 2AM are fun…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "535682",
"author": "AllThatJazz",
"timestamp": "2011-12-14T2... | 1,760,377,011.061942 | ||
https://hackaday.com/2011/12/14/adding-http-to-ikea-dioder/ | Adding HTTP To Ikea DIODER | Brian Benchoff | [
"LED Hacks"
] | [
"dioder",
"ethernet",
"HTTP",
"ikea",
"led",
"nanode"
] | [Alex] sent in a neat
Ikea DIODER build
that controls strings of RGB LEDs with HTTP requests.
We’ve seen Ikea DIODERs controlled
wirelessly
and over
USB
, but using the Internet with a DIODER is new to us. For his build, [Alex] used a
Nanode
, a small Arduino-like board that has built-in web connectivity.
The hardware ... | 5 | 5 | [
{
"comment_id": "535610",
"author": "dext3r",
"timestamp": "2011-12-14T18:41:03",
"content": "very cool!with all that work creating HSL colorspace and 1D Perlin noise functions, it would have been nice to show that off with a video or something.i have some LED strips i’m using for under-cabinet ligh... | 1,760,377,011.545435 | ||
https://hackaday.com/2011/12/14/music-synced-christmas-light-suit/ | Music-synced Christmas Light Suit | Brian Benchoff | [
"Arduino Hacks",
"Holiday Hacks"
] | [
"christmas lights",
"labview",
"national instruments",
"xbee"
] | Ah, the end of the 4th financial quarter – the magical time of increased sales, being at work the entire time the sun is up, and holiday parties. For [Andy] at National Instruments, though, things don’t seem too bad. He built a neat
Christmas light suit
to entertain everyone with his brilliant persona.
[Andy] always lo... | 11 | 6 | [
{
"comment_id": "535522",
"author": "Matt",
"timestamp": "2011-12-14T16:44:29",
"content": "I wouldn’t mind wearing one of those to my finals!Just for clarification: he needs a computer to run labview which in turn gives the arduino its required data? I got really excited and thought there was a wa... | 1,760,377,011.451516 | ||
https://hackaday.com/2011/12/14/pee-light-gives-guidance-for-nocturnal-tinkles/ | Pee-light Gives Guidance For Nocturnal Tinkles | Mike Szczys | [
"home hacks"
] | [
"ez430-f2014",
"led",
"motion sensor",
"msp430",
"pir"
] | This light is a rather dim LED module whose purpose is to give you
a very small bit of illumination when using the restroom at night
. If you rely on it instead of using the overhead lighting in the bathroom, you’ll be able to find your way back to bed with your night-vision undisturbed.
[Fred] built the project as a w... | 38 | 19 | [
{
"comment_id": "535461",
"author": "T.M.",
"timestamp": "2011-12-14T15:08:21",
"content": "I just bought one of those 4″ dome lights that you can press to turn on and off from the dollar store. Put a different resistor in to dim the LEDs and it runs forever off 3 AAs. You get a nice big switch to... | 1,760,377,011.33683 | ||
https://hackaday.com/2011/12/13/naughty-duck-will-be-the-end-of-secret-santa-at-your-place-of-work/ | Naughty Duck Will Be The End Of Secret Santa At Your Place Of Work | Mike Szczys | [
"Toy Hacks"
] | [
"16F628",
"animatronic",
"cursing",
"duck",
"pic",
"somo-14d",
"swearing"
] | Aw, isn’t he cute? Looks are deceiving, because if you get him started,
this duck says some vulgar things
. [Gigavolt] found the little guy abandoned at the Goodwill store and decided it might have some hacking potential. Boy was he right. The stock toy can already sing a tune while flapping its beak and wings. After s... | 26 | 21 | [
{
"comment_id": "534801",
"author": "Matrixis",
"timestamp": "2011-12-14T01:11:23",
"content": "Awesome!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "534819",
"author": "Corrosion",
"timestamp": "2011-12-14T01:44:22",
"content": "XD, I love it",... | 1,760,377,011.403241 | ||
https://hackaday.com/2011/12/04/pick-up-that-can-jeri/ | Pick Up That Can, [Jeri] | Brian Benchoff | [
"Misc Hacks",
"Peripherals Hacks"
] | [
"controller",
"half-life",
"jeri ellsworth",
"tilt switch",
"video game",
"xbox"
] | We all need an excuse to play Half-Life 2 sometimes. [Jeri Ellsworth] put together a
My First Crowbar
controller to throw a few headcrabs across the room. It’s pretty much Half-Life 2 for the Wii.
The build is very simple – just a tilt switch hot glued to the underside of a childs-size crowbar. Two leads go from the ti... | 10 | 10 | [
{
"comment_id": "526524",
"author": "garage42",
"timestamp": "2011-12-04T18:07:35",
"content": "Anyone else see a cracked LCD screen in her future with this “crowbar joystick”?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "526562",
"author": "Jim Poehlman... | 1,760,377,011.49606 | ||
https://hackaday.com/2011/12/04/an-eeweb-interview-with-todd-harrison/ | An EEWeb Interview With Todd Harrison | Jeremy Cook | [
"Interviews",
"News"
] | [
"EEWeb",
"engineer",
"Todd Harrison"
] | Although Todd Harrison could be one of many of our readers (and most of our writers), it was nice to see one of “us” featured in [
EEWeb
]. [HAD] has featured him before in posts such as this recent one about replacing
solder tab batteries
.
What may be interesting to many is that soon after [Todd] graduated he took a ... | 8 | 7 | [
{
"comment_id": "526502",
"author": "Bob Spafford",
"timestamp": "2011-12-04T17:39:00",
"content": "It’s good to look a bit before you take this potentially damaging route. We have a store here in Olympia WA called Batteries Plus which stocks an amazing inventory of batteries at reasonable prices. ... | 1,760,377,011.757685 | ||
https://hackaday.com/2011/12/03/building-a-60s-guerilla-homebrew-square-wave-generator/ | Building A ’60s Guerilla Homebrew Square Wave Generator | Brian Benchoff | [
"Tool Hacks"
] | [
"function generator",
"pulse generator",
"tools"
] | What do you do when you’ve got three broken function generators?
Build your own
, obviously. Since your workshop has already gone through three of these bad boys, you might find yourself repairing your build. Better not use any fancy ICs and go with a
transistor only
build.
When [Miroslav] sent in his ‘guerilla homebre... | 10 | 9 | [
{
"comment_id": "526031",
"author": "Dax",
"timestamp": "2011-12-03T23:43:03",
"content": "The guy complains a lot about the front panel manufacturing problems.I can’t see why he didn’t just put the front plate in a scanner, drew some empty scales on that, and then printed the entire thing at one go... | 1,760,377,011.853755 | ||
https://hackaday.com/2011/12/03/reverse-engineering-a-korg-monotribe/ | Reverse Engineering A Korg Monotribe | Brian Benchoff | [
"classic hacks",
"Musical Hacks"
] | [
"firmware update",
"korg",
"monotribe",
"reverse engineering"
] | Yesterday, Korg released a firmware update to their ribbon controller synth, the Monotribe. The firmware is just an audio file that needs to be played to the sync input of the box. [gravitronic] thought this was rather interesting, so he decided to
decode the monotribe firmware
. It’s the first step to custom Monotribe... | 19 | 9 | [
{
"comment_id": "525988",
"author": "andar_b",
"timestamp": "2011-12-03T22:21:34",
"content": "“[gravitronic] though” missing a ‘t’ at the end there.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "526022",
"author": "mjrippe",
"timestamp": "2011-12-03T... | 1,760,377,011.909888 | ||
https://hackaday.com/2011/12/03/10-meter-long-moving-light-show-is-mesmerizing/ | 10 Meter Long Moving Light Show Is Mesmerizing | Mike Nathan | [
"LED Hacks"
] | [
"adafruit",
"led",
"pololu",
"xmos"
] | [Marcus] was recently commissioned to put together the electronics for
a slick 10 meter long LED installation
at the Hsinchu Biomedical Science Park Exhibition Center in Taiwan. While you might assume that he was asked to construct a large LED matrix, this project is a little bit different from what you probably expect... | 13 | 11 | [
{
"comment_id": "525982",
"author": "samuel",
"timestamp": "2011-12-03T22:13:40",
"content": "wheres the darned video where i look into the triangle while mesmerized?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "526029",
"author": "Hirudinea",
"times... | 1,760,377,011.807899 | ||
https://hackaday.com/2011/12/03/hackaday-links-december-3-2011/ | Hackaday Links: December 3, 2011 | Brian Benchoff | [
"Hackaday links"
] | [
"breadboard",
"cryptography",
"kitchen hacks",
"lego",
"osciloscope",
"power inverter",
"remote control"
] | Honey, would you like some cheese? WHIRRRRRRRRR
[The Timmy] broke his manual cheese grater. It would be a waste to throw away a perfectly functional tool that’s only missing a handle, so he
kicked it up a notch
with a cordless drill. Now [Tim], “can grate with incredible speed and power for even the toughest of cheeses... | 35 | 23 | [
{
"comment_id": "525911",
"author": "biozz",
"timestamp": "2011-12-03T19:07:09",
"content": "i think we have shown that scope beforebut anyway i love that inverter setup!and cryptography makes my brain sting O.o",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5... | 1,760,377,014.056534 | ||
https://hackaday.com/2011/12/03/rca-dsb772we-teardown-shows-that-this-cheap-streaming-box-might-have-potential/ | RCA DSB772WE Teardown Shows That This Cheap Streaming Box Might Have Potential | Mike Nathan | [
"Video Hacks"
] | [
"mips",
"RCA DSB772WE",
"streaming video",
"tv"
] | [David Anders] wrote in to share some details of a cheap little gadget he picked up at his local Wal-Mart. He scored the RCA DSB772WE media streaming box for $48, and so far it looks like it could be a promising addition to his living room.
He started a project page for the box
, detailing some of his findings thus far... | 75 | 50 | [
{
"comment_id": "525854",
"author": "rasz",
"timestamp": "2011-12-03T17:12:44",
"content": "looks like LG ST600 Smart TV Upgraderbut since its broadcom you wont do anything beyond what binary blob lets you, and thats not a lotif you are interested look at LG TV hacking at ‘OpenLGTV Project’",
"... | 1,760,377,013.652718 | ||
https://hackaday.com/2011/12/03/62527/ | Weekly Roundup 12/3/11 | Jack Buffington | [
"News",
"Weekly Roundup"
] | [
"weekly roundup"
] | In case you missed them the first time around, here are our most popular posts from the past week.
In first place was a repeat from last week of
how you can make a privacy screen from an old LCD display
. We want to serve up fresh stuff in this post though so we’ll add one to our top five this week.
Coming in at seco... | 0 | 0 | [] | 1,760,377,013.542192 | ||
https://hackaday.com/2011/12/02/a-solar-clock-that-isnt-a-sundial/ | A Solar Clock That Isn’t A Sundial | Brian Benchoff | [
"clock hacks"
] | [
"cnc",
"fiber optics",
"sundial"
] | Hack a Day’s very own [Jack Buffington] is throwing his hat into the ring for the Buildlounge laser cutter giveaway with his
solar clock
that isn’t a sundial.
The theory behind [Jack]’s clock is pretty simple. The light from the sun will be captured by a camera obscura/pinhole camera. The sun’s rays shine on dozens of ... | 15 | 6 | [
{
"comment_id": "525140",
"author": "biozz",
"timestamp": "2011-12-02T22:23:40",
"content": "why cant we just post finished projects?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "525150",
"author": "Brad",
"timestamp": "2011-12-02T22:41:14"... | 1,760,377,013.704525 | ||
https://hackaday.com/2011/12/02/micromouse-wins-2011-maze-race-in-under-4-seconds/ | Micromouse Wins 2011 Maze Race In Under 4 Seconds | Mike Szczys | [
"Robots Hacks"
] | [
"gyro",
"maze",
"micromouse",
"phototransistor",
"robogames",
"stm32"
] | It’s off to the races once again with the Micomouse maze solving contest at the 2011 RoboGames. This is a picture of
the winner, a bot called Min7
(
main page
) which was built by [Ng Beng Kiat]. Using four phototransistors and a flash sensor it managed to first map the contest maze, then speed run it in under four sec... | 21 | 11 | [
{
"comment_id": "525072",
"author": "japkin",
"timestamp": "2011-12-02T21:12:20",
"content": "I think you meant the first video to be this:http://www.youtube.com/watch?v=AuGe_DFHpbcWell done!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "525075",
"a... | 1,760,377,014.327597 | ||
https://hackaday.com/2011/12/02/eight-dollar-airplane-for-really-bad-pilots/ | Eight-dollar Airplane For Really Bad Pilots | Mike Szczys | [
"Radio Hacks",
"Toy Hacks"
] | [
"airplane",
"foamboard",
"rc"
] | Have a habit of hitting the bottle before getting into the cockpit? Find that your mind wanders mid-flight? Lack the hand-eye coordination to keep that RC creation of yours in the air? Worry not, you can
build this flyer and crash it with impunity
.
[HammyDude] built the RC aircraft out of laminated foam board. He’s ha... | 25 | 17 | [
{
"comment_id": "525012",
"author": "therian",
"timestamp": "2011-12-02T20:15:24",
"content": "to make it even cheaper brush-less motor can be taken from hard-drive or cd drive",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "525020",
"author": "Jason"... | 1,760,377,014.121264 | ||
https://hackaday.com/2011/12/02/printable-solar-cells-that-can-be-folded-up-when-not-in-use/ | Printable Solar Cells That Can Be Folded Up When Not In Use | Mike Szczys | [
"green hacks"
] | [
"inkjet",
"paper",
"photovoltaic",
"solar cell",
"vacuum"
] | Here’s
a photovoltaic cell that can be printed onto paper
. The manufacturing technique is almost as simple as using an inkjet printer. The secret is in the ink itself. It takes five layers deposited on the paper in a vacuum chamber. But that’s a heck of a lot easier than current solar cell fabrication practices. In fa... | 59 | 29 | [
{
"comment_id": "524942",
"author": "Doc Oct",
"timestamp": "2011-12-02T19:06:42",
"content": "Car windows might be good, though I don’t know what you’d use the energy for.Even discounting the flexible properties, if they can make these easily and cheaply enough then maybe more houses could get sola... | 1,760,377,013.795147 | ||
https://hackaday.com/2011/12/02/cheap-diy-tilt-switches-are-great-in-a-pinch/ | Cheap DIY Tilt Switches Are Great In A Pinch | Mike Nathan | [
"Misc Hacks"
] | [
"diy",
"mercury free",
"tilt switch"
] | [fjordcarver] was looking for
some mercury-free tilt switches
that wouldn’t break the bank and that were easy to build. He also wanted something cheap, so instead of buying some tilt switches he devised his own that fit all of the criteria he set out. Now, these switches are not your typical fare, and they’re not small... | 46 | 21 | [
{
"comment_id": "524775",
"author": "Roy van Rijn",
"timestamp": "2011-12-02T15:19:36",
"content": "Nice idea!An even smaller version could IMHO easily be made with a single small metal ball per tube. If you have a small barrel in which the ball tightly fits. Even using one tube with wires on both e... | 1,760,377,014.268854 | ||
https://hackaday.com/2011/12/02/childrens-light-up-toy-is-an-easy-hand-made-gift/ | Children’s Light Up Toy Is An Easy Hand-made Gift | Mike Nathan | [
"Toy Hacks"
] | [
"kids",
"lights",
"switches",
"toy"
] | While this year’s Christmas lists are dominated by electronic gadgets and other mass-produced toys, it wasn’t always like that. We’re not trying to sound like the old man yelling at the neighborhood kids to get off his lawn, but many of today’s gifts lack the personal touch found in old, hand-made toys.
[henlij’s] son ... | 31 | 20 | [
{
"comment_id": "524745",
"author": "Toumal",
"timestamp": "2011-12-02T14:08:04",
"content": "Raise your hand if you got a similar thing when you were a kid! ^^",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "524747",
"author": "insomartin",
"timestamp"... | 1,760,377,014.187896 | ||
https://hackaday.com/2011/12/01/trying-to-measure-the-speed-of-light-with-an-arduino/ | Trying To Measure The Speed Of Light With An Arduino | Brian Benchoff | [
"Arduino Hacks",
"LED Hacks"
] | [
"arduino",
"c++",
"led",
"speed of light"
] | We know that measuring the speed of light with an Arduino is possible. It’s just that
the implementation is hard
.
Last month we saw [Udo]’s
blinkenlight shield
that can be used as a line scan camera. It’s a neat piece of kit, but [Udo] really wants to submit something for the
Buildlounge laser cutter giveaway
, so he ... | 63 | 38 | [
{
"comment_id": "524116",
"author": "brsnow",
"timestamp": "2011-12-02T00:10:30",
"content": "Use multiple mirrors. The alignments get more critical for every mirror you add but you can add a lot of distance in a small space by bouncing it several times back and forth between mirrors. That’s how t... | 1,760,377,013.986335 | ||
https://hackaday.com/2011/12/01/cheap-diy-laser-scanner-is-quite-impressive/ | Cheap DIY Laser Scanner Is Quite Impressive | Mike Nathan | [
"Laser Hacks",
"Tool Hacks"
] | [
"3d",
"diy",
"Kinect",
"laser scanner"
] | With the introduction of the Kinect, obtaining a 3D representation of a room or object became a much easier task than it had been in the past. If you lack the necessary cash for one however, you have to get creative. Both the techniques and technologies behind 3D scanning are somewhat complicated, though certainly stil... | 28 | 16 | [
{
"comment_id": "524077",
"author": "oodain",
"timestamp": "2011-12-01T23:15:10",
"content": "you sir, are brilliant.have you tried it in other enviroments?how does it cope with noise or different reflectivity?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,377,014.387943 | ||
https://hackaday.com/2011/12/01/multivibrator-in-theory-and-practice/ | Multivibrator In Theory And Practice | Mike Szczys | [
"Misc Hacks"
] | [
"analog",
"multivibrator",
"oscillator",
"transistor"
] | We must admit that we’ve been guilty of using a microcontroller to make two LEDs blink alternately in the past. It’s not the worst transgression, but it stems from our discomfort with analog circuits. Luckily, [Ray] published
an illustrated guide on building multivibrator circuits
. This is a simple method of assemblin... | 60 | 23 | [
{
"comment_id": "524041",
"author": "Rob Wentworth",
"timestamp": "2011-12-01T22:22:14",
"content": "A multivibrator, for those occasions when one vibrator is just not enough. ;-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "524042",
"author": "dbear",
... | 1,760,377,014.482746 | ||
https://hackaday.com/2011/12/01/milling-interlocking-wooden-rings/ | Milling Interlocking Wooden Rings | Mike Szczys | [
"cnc hacks"
] | [
"jig",
"rings",
"wood"
] | [Johan von Konow] wanted to make something special as a wedding gift to his wife. He decided a pair of interlocking miniature rings would be the perfect keepsake. He started
his search for a way to mill the wooden rings
from a solid piece of wood, and documented his journey for our enjoyment.
This project poses an inte... | 22 | 12 | [
{
"comment_id": "523999",
"author": "Polymath",
"timestamp": "2011-12-01T21:33:09",
"content": "Holy crap! This is awesome.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "524005",
"author": "pinch",
"timestamp": "2011-12-01T21:37:03",
"content": "W... | 1,760,377,014.628163 | ||
https://hackaday.com/2011/12/01/make-your-own-spray-paint-cans/ | Make Your Own Spray Paint Cans | Mike Szczys | [
"Misc Hacks"
] | [
"diy",
"graffiti",
"paint",
"shrader valve",
"soda bottle",
"spray paint"
] | [Mikeasaurus] found a way to
build his own refillable spraypaint canister
. The donor vessel used here is a plastic soda bottle. It’s a great choice since it is engineered to house a pressurized liquid and you can find them for free by intercepting a satisfied soda consumer before they reach the recycling bin.
He repur... | 48 | 29 | [
{
"comment_id": "523918",
"author": "Brian Cribbs",
"timestamp": "2011-12-01T20:10:22",
"content": "The banner image looks like something else completely.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "523920",
"author": "steve eh",
"timestam... | 1,760,377,014.566762 | ||
https://hackaday.com/2011/12/01/binary-division-when-your-processor-lacks-hardware-division/ | Binary Division When Your Processor Lacks Hardware Division | Mike Szczys | [
"computer hacks",
"Microcontrollers"
] | [
"amd",
"binary division",
"intel",
"raspberry pi"
] | [Hamster] wanted to take a look at division operations when the chip you’re using doesn’t have a divide instruction. He makes the point that the divide instruction takes a lot of space on the die, and that’s why it’s sometimes excluded from a chip’s instruction set. For instance, he tells us the ARM processor used on t... | 27 | 17 | [
{
"comment_id": "523874",
"author": "Ken O'Brien",
"timestamp": "2011-12-01T19:24:21",
"content": "Does his algorithm satisfy IEEE floating point spec?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "523988",
"author": "Mike",
"timestamp": "20... | 1,760,377,014.798657 | ||
https://hackaday.com/2011/12/01/an-introduction-to-stepper-motors/ | An Introduction To Stepper Motors | Brian Benchoff | [
"how-to"
] | [
"stepper motors",
"tutorial"
] | If you’ve been reading Hack a Day for long enough, you know about our infatuation with stepper motors. These precious little devices put the oomph into our CNC routers, 3D printers, robots, and other miscellaneous projects. Steppers aren’t your run-of-the-mill motors, though. [Steaky] posted a great
introduction to ste... | 17 | 6 | [
{
"comment_id": "523767",
"author": "Colecago",
"timestamp": "2011-12-01T16:53:16",
"content": "I took apart two printers a few weekends ago and the paper and printer head control was done using brushed DC motors with optical encoders reading clear plastic with markings on it. I felt so ripped off.... | 1,760,377,014.688133 | ||
https://hackaday.com/2011/11/30/graphical-programming-with-the-arduino-ide/ | Graphical Programming With The Arduino IDE | Brian Benchoff | [
"Arduino Hacks"
] | [
"ardublocks",
"arduino",
"graphical programming"
] | The Arduino is an excellent first embedded development kit, provides a great introduction to electronics, and has the potential to get children into programming. [David] thinks throwing C at non-programmers isn’t the best way to learn programming, so he developed
ArduBlock
, a graphical programming language for the Ard... | 46 | 17 | [
{
"comment_id": "523073",
"author": "Cyk",
"timestamp": "2011-11-30T20:55:00",
"content": "Well, Minibloq shoild also be mentioned here:http://blog.minibloq.org/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "523094",
"author": "Reed",
"times... | 1,760,377,015.068202 | ||
https://hackaday.com/2011/11/30/funtendo-connects-all-your-nintendo-controllers-to-a-pc/ | Funtendo Connects All Your Nintendo Controllers To A PC | Brian Benchoff | [
"Nintendo Hacks"
] | [
"emulator",
"n64",
"nintendo",
"super nintendo",
"wii classic controller"
] | For those of us who can’t be bothered to dig out or N64 whenever we want to play
Ocarina of Time
or our NES whenever we get the urge to play
Battletoads
, emulators are a godsend. There is a problem, though. A keyboard doesn’t provide the right experience as a the classic NES ‘brick’ or the N64 tritopus controllers. En... | 11 | 4 | [
{
"comment_id": "523019",
"author": "RF",
"timestamp": "2011-11-30T19:51:47",
"content": "I’ve always that it’d be classier to salvage the controller connectors from a broken system. That way, you don’t need to destroy the controllers to use them on your computer.",
"parent_id": null,
"depth... | 1,760,377,014.984826 | ||
https://hackaday.com/2011/11/30/researchers-claim-that-hp-laser-printers-can-be-hijacked-to-steal-data-and-catch-fire/ | Researchers Claim That HP Laser Printers Can Be Hijacked To Steal Data And Catch Fire | Mike Nathan | [
"Peripherals Hacks",
"Security Hacks"
] | [
"firmware",
"HP",
"laserjet",
"security",
"vulnerability"
] | The news was abuzz yesterday with coverage of a study released by Columbia University researchers warning consumers
that HP laser printers are wide open to remote tampering and hacking.
The researchers claim that the vast majority of printers from HP’s LaserJet line accept firmware updates without checking for any sort... | 36 | 25 | [
{
"comment_id": "522923",
"author": "Tron9000",
"timestamp": "2011-11-30T18:09:17",
"content": "Interesting…….but daft. 2 words: THERMAL FUSE.To comply with CE, FCC, UL (etc.) certification, thermal cutout must be included in machines that are designed to or have heating functions.though pulling out... | 1,760,377,015.13907 | ||
https://hackaday.com/2011/11/30/openpnp-working-to-create-an-affordable-and-completely-open-pick-and-place-machine/ | OpenPnP Working To Create An Affordable And Completely Open Pick And Place Machine | Mike Nathan | [
"cnc hacks",
"Tool Hacks"
] | [
"OpenPnP",
"pick and place",
"smd"
] | If you happen to do a lot of SMD work,
a pick and place machine
is an incredible time saver. The problem is that most automated pick and place solutions are well outside of the “small outfit” price range, let alone the budget of a hobbyist.
We have seen
some great
DIY
pick and place
implementations around here, though ... | 21 | 9 | [
{
"comment_id": "522914",
"author": "ChrisG",
"timestamp": "2011-11-30T17:44:02",
"content": "I wonder if it would be possible to use a syringe on the head to apply solder paste first, then place the components? I’m looking forward to seeing how this project turns out.",
"parent_id": null,
"... | 1,760,377,015.247701 | ||
https://hackaday.com/2011/11/30/network-monitoring-panel-built-from-the-it-department-junk-heap/ | Network Monitoring Panel Built From The IT Department Junk Heap | Mike Nathan | [
"laptops hacks",
"Repair Hacks"
] | [
"laptop",
"lcd",
"network monitor"
] | One of the benefits of working in IT is that there is typically a healthy supply of miscellaneous, half-functioning equipment to mess around with. [Vittore] had an old
laptop with a busted LCD sitting around
(
Google Translation
), so he figured he might as well get it to do something useful. With a spare desktop LCD p... | 11 | 7 | [
{
"comment_id": "522853",
"author": "TheRafMan",
"timestamp": "2011-11-30T15:48:05",
"content": "Now that is a cool way to resurrect equipment that is otherwise un-useable…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "522854",
"author": "tom",
"times... | 1,760,377,015.187043 | ||
https://hackaday.com/2011/11/29/pros-and-cons-of-replacing-tool-batteries-with-lithium-polymer/ | Pros And Cons Of Replacing Tool Batteries With Lithium Polymer | Mike Szczys | [
"Tool Hacks"
] | [
"battery",
"charger",
"lithium polymer",
"makita",
"power tool"
] | [HammyDude] was tired of buying replacement batteries for his power tools. He had some Lithium Polymer batteries on hand and decided to take one of his dead drills and
swap out the dead power pack
.
The orange battery pack you see above has a deans connector on it for use with RC vehicles. By opening up the drill housi... | 38 | 21 | [
{
"comment_id": "522392",
"author": "Jerome Demers",
"timestamp": "2011-11-30T00:33:11",
"content": "You can design a BMS ( Battery Mangement System)You can buy and IC that does the job for you.The BMS will make sure that the battery voltage does not go below or higher when decharging and charging.A... | 1,760,377,015.327375 | ||
https://hackaday.com/2011/11/29/extreme-finger-painting-with-a-router/ | Extreme Finger Painting With A Router | Brian Benchoff | [
"cnc hacks"
] | [
"android",
"cnc",
"fingerpainting",
"router",
"tablet"
] | Most of the time, CNC machines are used for very precise and exacting. There is another way that allows for a more “hands on” approach to routers and mills that allows for a lot more creativity and freedom. The touchCNC these guys whipped up allows anyone to
finger paint with a friggin router
.
From the
forum post
the ... | 12 | 10 | [
{
"comment_id": "522364",
"author": "Jeremy",
"timestamp": "2011-11-29T23:12:02",
"content": "There’s another demo video that shows off a much more refined version of the app that supports shapes, etc, found here:http://www.youtube.com/watch?v=vLpZSTjCVJE",
"parent_id": null,
"depth": 1,
... | 1,760,377,015.374089 | ||
https://hackaday.com/2011/12/01/making-sweet-floppy-drive-music-with-a-calculator/ | Making Sweet Floppy Drive Music With A Calculator | Mike Nathan | [
"Misc Hacks",
"Musical Hacks",
"News"
] | [
"floppy",
"music",
"ti-83"
] | [Chris] says that he’s been pretty busy lately, leaving little opportunity for hacking. However he did manage to find a little time to put together a small project that has occupied his to-do list for a while –
a floppy drive music controller.
We have seen
hacks that use microcontrollers
to actuate floppy drive motors ... | 14 | 9 | [
{
"comment_id": "523726",
"author": "bob",
"timestamp": "2011-12-01T16:04:10",
"content": "I wasn’t expecting this to be even slightly cool, I was wrongAlso, Comment Cherry.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "523743",
"author": "Fritoeata... | 1,760,377,015.426704 | ||
https://hackaday.com/2011/12/01/from-the-readers-low-battery-cutoff-solutions/ | From The Readers: Low Battery Cutoff Solutions | Mike Szczys | [
"Misc Hacks"
] | [
"battery",
"cutoff",
"lithium",
"lithium polymer",
"tool",
"voltage"
] | We got a lot of really great feedback about low battery cutoff options
in the comments section
of Monday’s replacement battery post. To refresh your memory, some power tool batteries were replaced by Lithium Polymer units which can be damaged if drained too low before recharging. We had thought that many Lithium cells ... | 26 | 19 | [
{
"comment_id": "523664",
"author": "Nomad",
"timestamp": "2011-12-01T15:09:48",
"content": "That is actually a nice one. I will consider using this for my carpc setup to build a backup power source, because ignition seems to reset the present radio, which i think will also happen to the carpc when ... | 1,760,377,015.569299 | ||
https://hackaday.com/2011/11/30/hdcp-falls-to-fpga-based-man-in-the-middle-attack/ | HDCP Falls To FPGA-based Man-in-the-middle Attack | Mike Nathan | [
"News",
"Security Hacks",
"Video Hacks"
] | [
"copyright protection",
"digilent",
"fpga",
"hdcp",
"intel",
"master key",
"spartan-6"
] | It’s been a little while since we talked about HDCP around here, but recent developments in the area of digital content protection
are proving very interesting.
You might remember that the
Master Key for HDCP encryption
was leaked last year, just a short while after Intel said that
the protection had been cracked.
Whil... | 49 | 22 | [
{
"comment_id": "523209",
"author": "APE",
"timestamp": "2011-12-01T01:14:38",
"content": "It won’t be useful for pirates because BD-ROMs can easily be decrypted.But for me? Infinitely useful. I have an older Dell 2405FPW which has much life left in it but no HDMI. It does have DVI-D and a HDMI->DVI... | 1,760,377,015.510042 | ||
https://hackaday.com/2011/11/30/custom-massive-led-panel-lights-up-the-party/ | Custom Massive LED Panel Lights Up The Party | Mike Nathan | [
"Arduino Hacks",
"LED Hacks"
] | [
"arduino",
"led",
"party",
"sign"
] | The guys at BuildLounge wrote us to share
a giant LED sign
they came across in the submission pile for their
“Win a Laser Cutter” contest
that’s currently under way. [Stephen Shaffer] helps run a huge party called Fantastic Planet, for which the group typically outsources the lighting arrangements. They got tired of hi... | 12 | 4 | [
{
"comment_id": "523287",
"author": "mosheen",
"timestamp": "2011-12-01T03:26:41",
"content": "Why did it cost so much?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "523643",
"author": "Stephen",
"timestamp": "2011-12-01T14:24:36",
"... | 1,760,377,015.620038 | ||
https://hackaday.com/2011/11/30/building-a-computer-around-a-6502-processor/ | Building A Computer Around A 6502 Processor | Mike Szczys | [
"classic hacks"
] | [
"6502",
"clock",
"crystal oscillator",
"quinn dunki"
] | When it came time to try out some old-school computing [Quinn Dunki]
grabbed a 6502 processor and got to work
. For those that are unfamiliar, this is the first
chip that was both powerful, affordable, and available
to the hobby computing market back in the 1970’s. They were used in Apple computers, Commodore 64, and a... | 24 | 18 | [
{
"comment_id": "523153",
"author": "agtrier",
"timestamp": "2011-11-30T23:04:22",
"content": "YES! I knew that one day my early attempts of assembler on the C64 would turn out to be good for something… :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "523154... | 1,760,377,015.807947 | ||
https://hackaday.com/2011/11/30/siri-as-a-lippy-and-sometimes-profane-television-remote/ | Siri As A Lippy And Sometimes Profane Television Remote | Mike Szczys | [
"iphone hacks"
] | [
"arduino",
"remote control",
"siri",
"television",
"tv"
] | If the addition of Siri to your iPhone has given you a somewhat-real life companion (and hope that you might not be forever alone) this hack is right up your alley. [Todd Treece] built a hardware fixiture for the living room which
bridges the gap between Apple’s new digital assitant and your television
.
The box itself... | 8 | 6 | [
{
"comment_id": "523119",
"author": "Paul Klemstine",
"timestamp": "2011-11-30T22:09:51",
"content": "I smell a lawsuit from Apple for this project. I don’t think Siri is supposed to say those words.Awesome hack!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,377,015.748214 | ||
https://hackaday.com/2011/11/30/arduino-weather-station-to-internet-bridge/ | Arduino Weather-station To Internet Bridge | Mike Szczys | [
"Arduino Hacks"
] | [
"ethernet",
"la crosse",
"rs232",
"weather station"
] | Here’s a project that looks to
eliminate the PC necessary for pushing weather station data to the Internet
. When you think about it, getting data from your own weather sensing hardware to a site like Weather Underground doesn’t require very much processing at all. The largest chunk of the puzzle is a window to the Int... | 10 | 5 | [
{
"comment_id": "523122",
"author": "asheets",
"timestamp": "2011-11-30T22:15:49",
"content": "As a weather junkie, I’m pretty impressed by this.I will note, however, that it is a PITA to get the sensors to sync properly with the La Crosse WS23xx series base station, even in hard-wire mode. I final... | 1,760,377,015.971741 | ||
https://hackaday.com/2011/11/28/new-siri-hack-controls-your-car/ | New Siri Hack Controls Your Car | Mike Nathan | [
"iphone hacks",
"News",
"Transportation Hacks"
] | [
"car remote start",
"iPhone 4s",
"siri",
"Viper SmartStart"
] | Siri can make appointments, tell you the weather, but
now she can start your car as well!
After
we showed you how Siri could be hacked
to use a custom proxy and execute custom commands, we knew it wouldn’t be long before additional hacks would start rolling in. [Brandon Fiquett] thought it would be great if Siri could ... | 7 | 4 | [
{
"comment_id": "521880",
"author": "elektrophreak",
"timestamp": "2011-11-29T08:24:21",
"content": "pretty cool, works like a charm from what we can see here.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "521882",
"author": "elektrophreak",
"timestam... | 1,760,377,016.102126 | ||
https://hackaday.com/2011/11/28/ant-networks-using-an-msp430-chip-and-android-phone/ | ANT+ Networks Using An MSP430 Chip And Android Phone | Mike Szczys | [
"Android Hacks",
"Microcontrollers"
] | [
"ant",
"nrf24ap1"
] | [Jbremnant] wanted to try his hand with ANT+ wireless networks. This protocol is designed for light-weight and low-power consumer electronics, like heart rate chest straps and bicycle computers (Garmin brand devices for example). There are already libraries out there for Arduino, but [Jbremnant] found that most of them... | 5 | 5 | [
{
"comment_id": "521583",
"author": "Robot",
"timestamp": "2011-11-28T22:09:10",
"content": "Nice work.I’ve been wanting to grab data directly from my PowerTap cycling Watt meter. I’m glad for the primer, especially since I like MSP430 development.– Robot",
"parent_id": null,
"depth": 1,
... | 1,760,377,016.060474 | ||
https://hackaday.com/2011/11/28/led-sconces-spice-up-dorm-room-parties/ | LED Sconces Spice Up Dorm Room Parties | Mike Szczys | [
"LED Hacks"
] | [
"rs485",
"sconce",
"usb"
] | This dorm room is ready to entertain, thanks in part to
the LED wall sconces
that [Joseph] hacked together. Inside each fixture you’ll find three 3-Watt LED modules. For proper heat dissipation he mounted them on sheet metal which he cut out, including some fingers for additional surface area. The shape for the heat si... | 10 | 7 | [
{
"comment_id": "521585",
"author": "Robot",
"timestamp": "2011-11-28T22:10:56",
"content": "What a nicely documented build and very clean to boot.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "521612",
"author": "ferm",
"timestamp": "2011-11-28T23:12... | 1,760,377,016.01731 | ||
https://hackaday.com/2011/11/28/learn-a-new-fabrication-technique-from-diy-prosthetics-builders/ | Learn A New Fabrication Technique From DIY Prosthetics Builders | Mike Szczys | [
"Medical Hacks"
] | [
"amputee",
"heat gun",
"prosthetics",
"soda bottle"
] | This is a screenshot from a video tutorial on
making your own prosthetic parts from 2-liter soda bottles
. The opaque white part is a mold made of plaster. It’s a representation of the wearer’s limb, and provides the hard, heat-resistant form necessary for this manufacturing technique. You can see the clear plastic sod... | 21 | 17 | [
{
"comment_id": "521514",
"author": "Zee",
"timestamp": "2011-11-28T20:04:53",
"content": "I’m surprised by the massive load that bottle can handle.Also the second video is broken",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "521661",
"author": "Rob... | 1,760,377,016.161021 | ||
https://hackaday.com/2011/11/28/building-a-1300-lumen-bike-light/ | Building A 1300 Lumen Bike Light | Mike Szczys | [
"LED Hacks",
"Transportation Hacks"
] | [
"bike",
"cree",
"heat sink",
"light"
] | [Brainiac27] isn’t going to let the absence of sun prevent him from biking. He has no trouble lighting his path with
this 1300 Lumen bike light he built
.
The light source is a 3-up star by Cree. It puts off a lot of light, but also generates quite a bit of heat which is the reason for that large heat sink. It is meant... | 48 | 23 | [
{
"comment_id": "521445",
"author": "B",
"timestamp": "2011-11-28T18:40:59",
"content": "Awesome, a floodlight that blinds everyone and puts light largely where you don’t need it.Check out Busch and Muller bike lights. They have focused optics so you a)don’t blind everyone else and b)get more light... | 1,760,377,016.531709 | ||
https://hackaday.com/2011/11/28/building-a-digital-camera-from-scratch/ | Building A Digital Camera From Scratch | Brian Benchoff | [
"digital cameras hacks"
] | [
"digital camera",
"dsp",
"fpga",
"rolling shutter"
] | Sure, [Stan] could have bought a nice full-frame DSLR like a Canon 5D or a Nikon D3, but where’s the fun in that when he could
build his own digital camera
? The build isn’t done yet, but [Stan] did manage to take a few
sample pics
.
The
14 Megapixel sensor
[Stan] found was originally used for benchtop applications. Th... | 25 | 18 | [
{
"comment_id": "521362",
"author": "Mental2k",
"timestamp": "2011-11-28T16:23:44",
"content": "The main reason it doesn’t look like an SLR is probably because it doesn’t have a viewfinder or any moving mirrors. The name SLR doesn’t really have any purpose when there is no viewfinder.",
"parent... | 1,760,377,016.222748 | ||
https://hackaday.com/2011/11/28/calculating-pi-to-10-trillion-digits-the-last-number-is-5/ | Calculating Pi To 10 Trillion Digits; The Last Number Is 5 | Brian Benchoff | [
"hardware",
"Software Development"
] | [
"algorithm",
"math",
"Pi",
"supercomputer"
] | In August, 2010, [Alexander Yee] and [Shigeru Kondo] won a respectable amount of praise for calculating pi to more digits than anyone else.
They’re back again
, this time doubling the number of digits to 10 Trillion.
The
previous
calculation of 5 Trillion digits of Pi took 90 days to calculate on a beast of a workstati... | 44 | 26 | [
{
"comment_id": "521315",
"author": "tom",
"timestamp": "2011-11-28T15:18:16",
"content": "What kind of calculations do you think they need that much precision for? :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "521321",
"author": "sc0rch3d",
... | 1,760,377,016.30148 | ||
https://hackaday.com/2011/11/29/g-35-circuit-board-porn/ | G-35 Circuit Board Porn | Mike Szczys | [
"Holiday Hacks"
] | [
"christmas lights",
"g-35",
"reverse engineer"
] | [Todd Harrison] took a slew of pictures in his quest to
loose all the secrets of the G-35 Christmas Lights
. These are a string of 50 plastic bulbs which house individually addressable RGB LEDs. We’ve seen a ton of projects that use them, starting about a year ago with
the original reverse engineering
and most recently... | 13 | 10 | [
{
"comment_id": "522368",
"author": "cmholm",
"timestamp": "2011-11-29T23:29:18",
"content": "Unfortunately, my local big boxes aren’t carrying the G-35, so I’ve nowhere to await the post-season discounting.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "52237... | 1,760,377,016.380261 | ||
https://hackaday.com/2011/11/29/lamp-fading-and-remote-control-for-the-lazy/ | Lamp Fading And Remote Control For The Lazy | Mike Szczys | [
"home hacks",
"Microcontrollers"
] | [
"38kHz",
"infrared",
"ir",
"mosfet",
"pic",
"remote control"
] | [Dmitry Grinberg] has to walk all the way across his bedroom to switch the lamp on and off. The drudgery of this finally became too much, so
he built a remote control and added dimming for good measure
. Above you can see the circuitry for the remote and the receiver, as well as the finished remote housed in what he ca... | 16 | 15 | [
{
"comment_id": "522288",
"author": "fai",
"timestamp": "2011-11-29T21:17:19",
"content": "a properly designed isolated switching power supply will work. the transformer is used to isolate the tin case from the power line so that any inadvertent grounds cannot be accidentally shorted.",
"parent_... | 1,760,377,016.44707 | ||
https://hackaday.com/2011/11/29/desktop-coilgun-lets-you-play-scorched-earth-in-your-living-room/ | Desktop Coilgun Lets You Play Scorched Earth In Your Living Room | Mike Nathan | [
"Weapons Hacks"
] | [
"CoilGun",
"games",
"rabbit 2000",
"Scorched Earth",
"stepper motors"
] | A few years ago when [Dr. West] was wrapping up his collegiate studies, he put together
a pretty cool coilgun for his senior project.
The gun was built to simulate the Scorched Earth computer game in real life, but due to time constraints he was only able to build one turret instead of two.
The turret was constructed u... | 7 | 6 | [
{
"comment_id": "522240",
"author": "Dan O'Brien",
"timestamp": "2011-11-29T20:13:16",
"content": "Scorched Earth had mini-nukes and napalm rounds. I’m not sure I’d want to play a real life Scorched Earth if we had live rounds….",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,377,016.758838 | ||
https://hackaday.com/2011/11/29/adding-sound-and-light-to-your-radio-controlled-vehicles/ | Adding Sound And Light To Your Radio Controlled Vehicles | Mike Szczys | [
"Microcontrollers",
"Toy Hacks"
] | [
"dukes of hazzard",
"lm386",
"propeller",
"servo"
] | [Nicholas] wanted to add some flair to his RC car. In addition to the headlights that you see above, there’s brake lights, and a horn that plays “Dixie” like the General Lee in the Dukes of Hazard. All of this is triggered by the wireless controller, but he figured out a way to
monitor the servo signals in order to add... | 8 | 6 | [
{
"comment_id": "522210",
"author": "Slipster",
"timestamp": "2011-11-29T19:16:19",
"content": "Since it’s a nitro vehicle I don’t think you are going to the ‘horn’ over the engine sound. However, nice upgrade to your RC.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,377,016.811301 | ||
https://hackaday.com/2011/11/29/for-the-trade-show-booth-that-has-everything-a-blimp/ | For The Trade Show Booth That Has Everything, A Blimp! | Jeremy Cook | [
"Nintendo Wii Hacks",
"Toy Hacks"
] | [
"arduino",
"blimp",
"LeetZeppelin",
"remote control",
"wiimote",
"xbee",
"zeppelin"
] | Trade shows are all about attracting attention and getting people to learn about your product, so what could be better than
a custom-built RC blimp
? Sure, you could just buy one, but what’s the fun in that? After several design iterations, [Tretton37] came up with a blimp known as the [LeetZeppelin] controlled by an A... | 9 | 7 | [
{
"comment_id": "522076",
"author": "Brett W. (FightCube.com)",
"timestamp": "2011-11-29T15:48:55",
"content": ".net + agile huh… something I like and something I hate… wish that added up to “love it” ;-)Cool blimp though!",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,377,016.710397 | ||
https://hackaday.com/2011/11/29/fabbing-a-guitar-tremolo-stompbox/ | Fabbing A Guitar Tremolo Stompbox | Brian Benchoff | [
"Musical Hacks"
] | [
"effects",
"guitar effects",
"stompbox",
"tremolo"
] | There’s a lot of builders around whose first foray in electron manipulation was building effects pedals for guitars. It looks like [Dino] might be getting back to his roots with his
tremolo effects box
how-to.
Last week, [Dino] found an
old 5-watt tube amp
in someone’s trash and decided to bring it back to a functional... | 20 | 8 | [
{
"comment_id": "522041",
"author": "Victor",
"timestamp": "2011-11-29T14:32:59",
"content": "I must say I find the circuit peculiar; the input of the opamp is not shifted to half the supply, which probably clips most negative signals.Also, the high-impedance output of the guitar is used without buf... | 1,760,377,017.076583 | ||
https://hackaday.com/2011/11/28/diy-car-lighting-illuminates-areas-the-designers-overlooked/ | DIY Car Lighting Illuminates Areas The Designers Overlooked | Mike Nathan | [
"LED Hacks",
"Transportation Hacks"
] | [
"capacitive touch",
"juke",
"led",
"nissan"
] | [Dave] just can’t seem to get enough of
modifying his new car.
Where he lives, it’s typically dark on his ride home from work and he finds himself dropping things on the floor of his car all too often. Nissan decided not to include lighting in the Juke’s foot well or glove box, so [Dave] decided that he needed to recti... | 26 | 14 | [
{
"comment_id": "521684",
"author": "Steve",
"timestamp": "2011-11-29T00:58:12",
"content": "Ummm…. if you drop something while driving, shouldn’t you PULL OVER before taking your eyes off the road to try to pick it up? What could you possibly have in your hands anyway, that you _need_ while drivin... | 1,760,377,016.922724 | ||
https://hackaday.com/2011/11/27/earthquake-detector-could-have-helped-during-quakepocalypse/ | Earthquake Detector Could Have Helped During Quakepocalypse | Brian Benchoff | [
"classic hacks",
"home hacks"
] | [
"earthquake",
"earthquake detector",
"seismograph"
] | [Andrea] built a
seismic wave detector
that warns of a possible impending earthquake. Because
P waves
travel much faster than the “make everything shake” S waves, building a device that detects P waves serves as an early warning system that alerts building occupants to go under a door frame. [Andrea]’s build detects th... | 13 | 11 | [
{
"comment_id": "520771",
"author": "chris",
"timestamp": "2011-11-27T22:20:28",
"content": "this video is private?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "520787",
"author": "Th3badwolf",
"timestamp": "2011-11-27T22:43:33",
"c... | 1,760,377,016.863584 | ||
https://hackaday.com/2011/11/27/chinese-hackerspaces-or-what-happens-when-a-government-is-run-by-engineers/ | Chinese Hackerspaces, Or, What Happens When A Government Is Run By Engineers | Brian Benchoff | [
"Hackerspaces"
] | [
"china",
"hackerspaces"
] | Government leadership in Shanghai wants to build
100 community hackerspaces
funded by the Chinese government. Each space will be at least 100 square meters, open 200 days a year, and come equipped with wood and metal lathes, saws, drills, grinders, mills, and more electronics than we can imagine.
The
official governmen... | 89 | 44 | [
{
"comment_id": "520728",
"author": "JSN",
"timestamp": "2011-11-27T21:08:51",
"content": "What a great hack. Oh wait, never mind.Can we stop it with the highly charged political posts, please?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "521534",
... | 1,760,377,017.233029 | ||
https://hackaday.com/2011/11/27/kitchen-hacks-improving-an-espresso-machine/ | Kitchen Hacks: Improving An Espresso Machine | Brian Benchoff | [
"cooking hacks"
] | [
"espresso",
"kitchen hacks",
"pid control"
] | The heat sensor in [Cameron]’s espresso machine doesn’t work very well. He sees some pretty crazy variations in temperature when pulling an espresso shot, and when the boiler is just sitting there the heater element will heat the water full-bore then shut off for a while. Since this is a pretty low bar from a control t... | 0 | 0 | [] | 1,760,377,017.10915 | ||
https://hackaday.com/2011/11/27/star-trek-style-pneumatic-doors-that-dont-require-a-stagehand/ | Star Trek Style Pneumatic Doors That Don’t Require A Stagehand | Brian Benchoff | [
"home hacks"
] | [
"automatic door",
"door",
"pneumatic",
"star trek"
] | In 1966, [Gene Roddenberry] introduced fully manual doors powered by a stagehand on
Star Trek
. The
fwoosh
sound of the door was later dubbed into each show, but progress marches on, and now [Alex] created his own
Star Trek-style automatic doors
for his house.
The build includes a ‘control panel’, and [Alex]’s door ope... | 63 | 30 | [
{
"comment_id": "520645",
"author": "bty",
"timestamp": "2011-11-27T18:30:43",
"content": "lol @ mumbling when he’s at the other side of the closed door.I sure hope you included some safety features so it doesn’t close on your pet or kids when they’re in the opening.",
"parent_id": null,
"de... | 1,760,377,017.380749 | ||
https://hackaday.com/2011/11/27/adorable-and-small-portable-nes/ | Adorable And Small Portable NES | Brian Benchoff | [
"Nintendo Hacks"
] | [
"Case mod",
"console modding",
"nes"
] | The Queen of Bondo is back again, this time with an
adorably small NES portable
, the HandyNES.
When last saw [lovablechevy], she had just finished up her build of a
Nintenduo
, a build that stuffed an NES and SNES into a single box. The Nintenduo was such a clean build it would be a crime to let her talents go to wast... | 14 | 9 | [
{
"comment_id": "520654",
"author": "Colin",
"timestamp": "2011-11-27T18:52:15",
"content": "USB Zapper what? Last thing I heard about the zapper and USB was from ZeroSoft and he hasn’t updated that for years…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "52... | 1,760,377,017.282179 | ||
https://hackaday.com/2011/11/27/two-ways-to-convert-an-electric-cooler-to-a-humidor/ | Two Ways To Convert An Electric Cooler To A Humidor | Mike Szczys | [
"home hacks"
] | [
"cigar",
"colemand",
"cooler",
"humidor",
"peltier"
] | It’s not a proper humidor in the technical sense (there isn’t any specific way to moderate the humidity) but [Dzzie] came up with a couple of ways to keep his cigars cool in the summer heat.
Both versions use a Coleman electric cooler as the enclosure. This hardware uses a Peltier device to keep it cool inside. The fir... | 6 | 5 | [
{
"comment_id": "520702",
"author": "Vonskippy",
"timestamp": "2011-11-27T19:57:23",
"content": "“It’s not a proper humidor in the technical sense”It’s not a proper humidor in the real-world sense either.Nothing sucks the life out of a good cigar like dryness. Put a ultrasonic humidifier and a humi... | 1,760,377,017.514511 |
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