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https://hackaday.com/2018/03/29/a-high-speed-infinite-volume-3d-printer/ | A High Speed, Infinite Volume 3D Printer | Brian Benchoff | [
"3d Printer hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d printer",
"conveyor belt",
"conveyor belt printer",
"infinite build volume printer",
"reprap"
] | One of the most interesting developments in 3D printing in recent memory is the
infinite build volume
printer. Instead of a static bed, this type of printer uses a conveyor belt and a hotend set at an angle to produce parts that can be infinitely long in one axis, provided you have the plastic and electricity. For this... | 22 | 7 | [
{
"comment_id": "4448386",
"author": "Ren",
"timestamp": "2018-03-29T18:51:27",
"content": "You know, that’s the problem with 3D printing…Just when I think I’m ready to take the plunge and buy one, something new comes out that could render existing ones obsolete.",
"parent_id": null,
"depth"... | 1,760,374,427.080447 | ||
https://hackaday.com/2018/03/29/ask-hackaday-is-your-clock-tied-to-mains-frequency/ | Ask Hackaday: Is Your Clock Tied To Mains Frequency? | Mike Szczys | [
"Ask Hackaday",
"clock hacks",
"Interest",
"Slider"
] | [
"alarm clock",
"dcf77",
"LM8562",
"mains frequency",
"mains frequency clock",
"wwvb"
] | Earlier in March we heard about a quirk of the interconnected continental European electricity grid which
caused clocks to lose about six minutes
so far this year. This was due to a slight dip in the mains frequency. That dip didn’t put anything out of commission, but clocks that are designed to accumulate the total ze... | 162 | 49 | [
{
"comment_id": "4448316",
"author": "megablue",
"timestamp": "2018-03-29T17:09:52",
"content": "Clocks that run on mains voltage are almost extinct in Malaysia. It actually came as a surprise to me that EU clocks are still running on mains voltage?",
"parent_id": null,
"depth": 1,
"repl... | 1,760,374,426.923963 | ||
https://hackaday.com/2018/03/29/super-blue-cnc-part-fixturing/ | Super-Blue CNC Part Fixturing | Brian McEvoy | [
"cnc hacks",
"News",
"Tool Hacks"
] | [
"adhesive",
"cnc",
"cyanoacrylate",
"glue",
"masking",
"superglue",
"tape"
] | Simple clamps are great if you need to keep the pressure on two parallel surfaces, but if you have an irregular plane, or you need to cut through it, clamps are not the correct tool. The folks at [NYC CNC] feature
a video with a clever hack
borrowing from other disciplines. Painters tape is applied to the top of a leve... | 20 | 12 | [
{
"comment_id": "4448272",
"author": "bufferscotch",
"timestamp": "2018-03-29T15:32:31",
"content": "This is the coolest thing I have seen all day!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4448285",
"author": "Drew",
"timestamp": "2018-03-29T15:5... | 1,760,374,426.211485 | ||
https://hackaday.com/2018/03/29/its-raining-chinese-space-stations-tiangong-1/ | It’s Raining Chinese Space Stations: Tiangong-1 | Steven Dufresne | [
"Current Events",
"Featured",
"Original Art",
"Slider",
"Space"
] | [
"china",
"chinese",
"space",
"space station"
] | China’s first space station, Tiangong-1, is expected to do an uncontrolled re-entry on April 1st, +/- 4 days, though the error bars vary depending on the source. And no, it’s not the grandest of all April fools jokes. Tiangong means “heavenly palace”, and this portion of the palace is just one step of a larger, permane... | 50 | 19 | [
{
"comment_id": "4448229",
"author": "Lucas",
"timestamp": "2018-03-29T14:07:41",
"content": "I’ll just put this here…Latest prediction is April 1st, 10:30UTC +/- 16 hours.(Refresh for latest updates)http://www.aerospace.org/CORDSuploads/TiangongStoryboard.png",
"parent_id": null,
"depth": 1... | 1,760,374,427.018014 | ||
https://hackaday.com/2018/03/29/dumb-down-your-smart-lamp-with-a-custom-firmware/ | Dumb Down Your Xiaomi Smart Lamp With A Custom Firmware | Sven Gregori | [
"home hacks"
] | [
"custom firmware",
"ESP8266",
"ESP8266 SDK",
"IoT",
"leds",
"pwm",
"rotary encoder",
"rotary switch"
] | Undoubtedly, the ESP8266’s biggest selling point is its WiFi capability for a ridiculously low price. Paranoid folks probably await the day its closed-source firmware bits will turn against humanity in a giant botnet, but until then, hobbyists and commercial vendors alike will proceed putting them in their IoT projects... | 42 | 12 | [
{
"comment_id": "4448129",
"author": "2k",
"timestamp": "2018-03-29T11:15:33",
"content": "For me it is surprising, that Xiaomi use ESP8266. I think espruna and tasmota will follow with their firmware.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4448367",... | 1,760,374,426.289161 | ||
https://hackaday.com/2018/03/29/eavesdropping-on-a-vga-monitors-conversations/ | Eavesdropping On A VGA Monitor’s Conversations | Dan Maloney | [
"classic hacks"
] | [
"chromaticity",
"display",
"edid",
"i2c",
"linux",
"monitor",
"PocketBeagle",
"reverse engineering",
"serial",
"vga"
] | Did you ever wonder what your monitor and your computer are talking about behind your back? As it turns out, there’s quite a conversation going on while the monitor and the computer decide how to get along, and
sniffing out VGA communications
can reveal some pretty fascinating stuff about the I²C protocol.
To reverse e... | 28 | 8 | [
{
"comment_id": "4447951",
"author": "steelman",
"timestamp": "2018-03-29T08:10:36",
"content": "Why? Most GFX drivers give access to the I²C bus and one can read EDID without ripping cables apart (most X11 drivers do that). It is even possible to the I²C line of a VGA socket to talk to arbitrary de... | 1,760,374,426.352075 | ||
https://hackaday.com/2018/03/30/learn-what-did-and-didnt-work-in-this-prototyping-post-mortem/ | Learn What Did And Didn’t Work In This Prototyping Post-Mortem | Donald Papp | [
"3d Printer hacks",
"hardware",
"Musical Hacks"
] | [
"analog",
"design",
"dfm",
"electronic music",
"learning experience",
"music",
"product design",
"prototyping",
"sequencer",
"synth"
] | [Tommy] is a one-man-shop making electronic musical things, but that’s not what this post is about. This post is about the
outstanding prototyping post-mortem he wrote up
about his attempt to turn his
Four-Step Octaved Sequencer
into a viable product. [Tommy] had originally made a hand-soldered one-off whose performanc... | 16 | 8 | [
{
"comment_id": "4449831",
"author": "opakokop",
"timestamp": "2018-03-30T15:52:48",
"content": "Fun thing, I’d super-glue it to a toilet seat and then I’d use caulking gun with tube of industrial epoxy to glue that seat to a street sign.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,374,427.140168 | ||
https://hackaday.com/2018/03/30/color-spaces-the-model-at-the-end-of-the-rainbow/ | Color Spaces: The Model At The End Of The Rainbow | Kerry Scharfglass | [
"how-to",
"LED Hacks"
] | [
"color theory",
"led",
"RGB LED"
] | When I learned about colors in grade school everything started with red, yellow, and blue and getting fancier colors was easy. I mixed some blue into my yellow to get green, or into red to get purple, and so on. After painting enough terrifying “art” for my parents, this made intuitive sense. That is until my mind was ... | 23 | 13 | [
{
"comment_id": "4449766",
"author": "Ostracus",
"timestamp": "2018-03-30T14:04:32",
"content": "A very colorful article.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4450000",
"author": "Jonathan",
"timestamp": "2018-03-30T18:01:45",
... | 1,760,374,426.478038 | ||
https://hackaday.com/2018/03/30/oracle-v-google-could-chill-software-development/ | Oracle V Google Could Chill Software Development | Al Williams | [
"News"
] | [
"apache open license",
"copyright",
"google",
"gpl",
"java",
"lawsuit",
"Oracle",
"sun"
] | Unless you’ve completely unplugged from the news, you probably are aware that the long-running feud between Oracle and Google had a new court decision this week. An appeal court found that Google’s excuse of fair use wasn’t acceptable and that they did infringe on Oracle’s copyrights to Java. Oracle has asked for about... | 96 | 28 | [
{
"comment_id": "4449660",
"author": "Dan",
"timestamp": "2018-03-30T11:16:07",
"content": "I don’t know, it looks like Google screwed up pretty badly here. You can dance around the implementation of “rangeCheck” as much as you want, there’s only so many ways to skin a cat after all. But it seems Go... | 1,760,374,426.609973 | ||
https://hackaday.com/2018/03/30/this-is-how-the-fonz-would-play-mp3s/ | This Is How The Fonz Would Play MP3s | Dan Maloney | [
"classic hacks",
"Musical Hacks"
] | [
"coin mechanism",
"electromechanical",
"jukebox",
"music player",
"pulse control",
"raspberry pi",
"relay",
"remote control",
"Seeburg Jukebox",
"shield"
] | Here at Hackaday, we love to see old hardware treated with respect. A lovingly restored radio or TV that’s part of our electronic heritage is a joy to behold, and while we understand the desire to stream media from a funky retro case, it really grates when someone throws away the original guts to make room for new elec... | 10 | 6 | [
{
"comment_id": "4449602",
"author": "Darren",
"timestamp": "2018-03-30T10:14:39",
"content": "Nicely done, so many bits of irreplaceable get destroyed by people gutting them to put a raspberry Pi inside. I wish more people would put this amount of thought and effort into fitting upgrades to old gea... | 1,760,374,426.408809 | ||
https://hackaday.com/2018/03/29/apple-one-on-fpga/ | Apple One, On FPGA | Al Williams | [
"FPGA"
] | [
"apple",
"Apple 1",
"fpga",
"retrocomputing"
] | Today, Apple is known for iPhones, iPads, and a commitment to graphical user interfaces. But that wasn’t how it all started. The original Apple was a single board computer built around a 6502. In 1976, you could snag one for $666.66, but you needed to supply your own TV, power supply, and keyboard. [Alangarf] didn’t ha... | 17 | 8 | [
{
"comment_id": "4449034",
"author": "John Klos",
"timestamp": "2018-03-30T05:29:26",
"content": "Not all that powerful? Hard to believe that this computer launched Apple? I think someone could learn a bit from some history lessons. 4K of RAM was a LOT in 1976!",
"parent_id": null,
"depth": ... | 1,760,374,427.19217 | ||
https://hackaday.com/2018/03/29/cutting-paper-and-corners-in-animation/ | Cutting Paper And Corners In Animation | Brian McEvoy | [
"how-to"
] | [
"3d laser cutting",
"animation",
"cutout",
"cutting",
"expression",
"magazine"
] | Cutting every corner can lead to some shoddy projects, but [Terry Gilliam] shows us that
cutting the right corners
yields unforgettable animations when mixed with the right amount of quirky imagination. The signature animation style of Monty Python’s Flying Circus is a mixture of [Terry]’s artistic craft and doing it w... | 6 | 3 | [
{
"comment_id": "4448884",
"author": "Thinkerer",
"timestamp": "2018-03-30T02:19:16",
"content": "So…magazines? Like they used to make? With pre-printed pictures and stuff? Are those still a thing anywhere?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4... | 1,760,374,427.238892 | ||
https://hackaday.com/2018/03/29/putting-a-poor-mans-vector-analyzer-through-its-paces/ | Putting A Poor Man’s Vector Analyzer Through Its Paces | Dan Maloney | [
"Radio Hacks",
"Tool Hacks"
] | [
"antenna",
"ground plane",
"impedance",
"inductance",
"spectrum",
"swr",
"vector network analyzer",
"vna"
] | If anything about electronics approaches the level of black magic, it’s antenna theory. Entire books dedicated to the subject often merely scratch the surface, and unless you’re a pro with all the expensive test gear needed to visualize what’s happening, the chances are pretty good that your antenna game is more practi... | 20 | 8 | [
{
"comment_id": "4448647",
"author": "CMH62",
"timestamp": "2018-03-29T23:52:42",
"content": "Mr. Spies is very deserving of every good thing said about him. LOVE his videos!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4448648",
"author": "CMH62"... | 1,760,374,427.302693 | ||
https://hackaday.com/2018/03/26/iq-makes-smarter-motors/ | IQ Makes Smarter Motors | Al Williams | [
"Robots Hacks"
] | [
"BLDC",
"brushless DC motor",
"bunniestudios",
"iq position module",
"motor",
"smart motor"
] | We think of motors typically as pretty dumb devices. Depending on the kind, you send them some current or some pulses, and they turn. No problem. Even an RC servo, which has some smarts on board, doesn’t have a lot of capability. However, there is a new generation of smart motors out that combine the mechanical motor m... | 23 | 8 | [
{
"comment_id": "4445908",
"author": "paweo",
"timestamp": "2018-03-27T05:48:00",
"content": "Hey,To first video, I have seen something like that before :) refer to:https://en.wikipedia.org/wiki/Synchro",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4446148"... | 1,760,374,427.364374 | ||
https://hackaday.com/2018/03/26/solve-2d-math-equations-colorfully/ | Solve 2D Math Equations Colorfully | Al Williams | [
"Misc Hacks"
] | [
"2d equations",
"algebra",
"math",
"mathematics"
] | Electronics can be seen as really just an application of physics, and you could in turn argue that physics is the application of math to the real world. Unfortunately, the way most of us were taught math was far from intuitive. Luckily, the Internet is full of amazing texts and videos that can help you get a better und... | 13 | 7 | [
{
"comment_id": "4445709",
"author": "Ostracus",
"timestamp": "2018-03-27T02:09:37",
"content": "“Electronics can be seen as really just an application of physics, and you could in turn argue that physics is the application of math to the real world. Unfortunately, the way most of us were taught mat... | 1,760,374,427.79848 | ||
https://hackaday.com/2018/03/26/the-obscure-electronics-tools-you-didnt-know-you-needed/ | The Obscure Electronics Tools You Didn’t Know You Needed | Lewin Day | [
"Tool Hacks"
] | [
"assembly tools",
"electronics tools",
"obscure",
"tools"
] | The right tool for the job can turn a total headache into a 30-second operation. This is all the more important when you’re trying to streamline an assembly process, and the reason why you’ll find so many strange and wonderful purpose-built tools on any production line. With a nod to that old adage,
[EvilMadScientist] ... | 76 | 28 | [
{
"comment_id": "4445600",
"author": "HalfNormal",
"timestamp": "2018-03-26T23:10:17",
"content": "I own 4 out of the 5 tools.The one I am lacking is the IC Lead Straightener Tool. Time to find one!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4445602",
... | 1,760,374,427.627278 | ||
https://hackaday.com/2018/03/26/a-bar-graph-for-beer-fridge-vitals/ | A Bar Graph For Beer Fridge Vitals | Kristina Panos | [
"Arduino Hacks",
"Beer Hacks"
] | [
"arduino nano",
"beer run?",
"HC-SR04",
"oled display",
"tall boy",
"ultrasonic"
] | [ChrisN219] has an antique Coke machine that used to hold glass bottles. Now it holds around 30 tall boy cans of his favorite post-work suds. The only problem is that [Chris] has no idea how many cans are in it without opening up the door or keeping tally on a nearby slate board. Enter the Arduino.
He wanted to make so... | 2 | 2 | [
{
"comment_id": "4445408",
"author": "Ostracus",
"timestamp": "2018-03-26T20:10:02",
"content": "“[ChrisN219] has an antique Coke machine that used to hold glass bottles.”I miss those. I’ve even seen some chest freezer style.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,374,427.491093 | ||
https://hackaday.com/2018/03/26/its-a-nixie-its-a-vfd-no-its-a-custom-led-display-in-a-tube/ | It’s A Nixie! It’s A VFD! No, It’s A Custom LED Display In A Tube | Dan Maloney | [
"clock hacks",
"LED Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"4014",
"7-segment display",
"clock",
"DS3231",
"led",
"nixie",
"rtc",
"vfd"
] | Like the look of Nixies but they just seem a little overdone? Or perhaps you just don’t want the hassles of a high-voltage power supply? Then maybe
these faux-Nixie LED “tube” displays
will find a way into your next clock build.
For his 2018 Hackaday Prize entry, [bobricius] decided that what the world needs is a Nixie... | 42 | 14 | [
{
"comment_id": "4445198",
"author": "PirateLabs",
"timestamp": "2018-03-26T18:10:07",
"content": "I like this. It is much more efficient, runs much cooler and no high voltage required. Very good looking.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4445... | 1,760,374,428.452239 | ||
https://hackaday.com/2018/03/26/cutting-edge-of-3d-printing-revealed-at-last-weekends-mrrf/ | Cutting Edge Of 3D Printing Revealed At Last Weekend’s Midwest RepRap Festival | Brian Benchoff | [
"3d Printer hacks",
"cons",
"Hackaday Columns",
"Slider"
] | [
"glitter",
"infinite build volume printer",
"Joseph Prusa",
"metal filament",
"metal printing",
"Midwest RepRap Festival",
"MRRF",
"Multi material extrusion"
] | The last three days marked the 2018 Midwest RepRap Festival. Every year, the stars of the 3D printing world make it out to Goshen, Indiana for the greatest gathering of 3D printers and printing enthusiasts the world has ever seen. This isn’t like any other 3D printing convention — everyone here needs to take the time t... | 47 | 15 | [
{
"comment_id": "4445125",
"author": "bty",
"timestamp": "2018-03-26T17:08:35",
"content": "so when is Prusa releasing this new multi-material upgrade ?also, i’m betting in all those pictures of metal prints, the objects have been post processed, sanded and possibly electro-plated.",
"parent_id"... | 1,760,374,428.350205 | ||
https://hackaday.com/2018/03/26/a-resistor-cutting-robot-you-can-build/ | A Resistor Cutting Robot You Can Build | Lewin Day | [
"Tool Hacks"
] | [
"production",
"resistors",
"tool"
] | If you’re populating kits, it can get tiring and time consuming. Like all good repetitive processes, it should be automated. As far as cutting resistors goes,
this is one way to do it, thanks to [Pablo].
The build is actually cribbed from
earlier work by a gang called [oomlout]
. Parts for these cutters are made with e... | 13 | 4 | [
{
"comment_id": "4444969",
"author": "Mike Szczys",
"timestamp": "2018-03-26T15:44:44",
"content": "Someone just asked in Friday’s Hack Chat how many open source projects get replicated. I think this is a perfect example of what kinds of thingsshouldbe replicated.You’d have to cut a bazillion resist... | 1,760,374,428.64757 | ||
https://hackaday.com/2018/03/27/attempt-at-wristwatch-is-a-solid-success/ | “Attempt” At Wristwatch Is A Solid Success | Brian McEvoy | [
"clock hacks",
"cnc hacks",
"Wearable Hacks"
] | [
"craftsmanship",
"dial",
"lathe",
"polish",
"watch",
"wristwatch"
] | Sometimes silence is the best compliment to a DIY project, and that doesn’t just apply to homemade lockjaw toffee. When a watch is so well-made that it looks like one from a jewelry store, it is easy to keep quiet. [ColinMerkel] took
many pictures of his fourth wristwatch attempt
but “attempt” is his word because we ca... | 19 | 9 | [
{
"comment_id": "4446640",
"author": "SQ2KTN",
"timestamp": "2018-03-27T20:14:36",
"content": "Next step will be a DIY smartwatch :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4446644",
"author": "Ren",
"timestamp": "2018-03-27T20:22:28",
"cont... | 1,760,374,428.596655 | ||
https://hackaday.com/2018/03/27/neon-display-for-a-vacuum-tube-calculator/ | Neon Display For A Vacuum Tube Calculator | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"Hackaday Prize",
"NE-2",
"tubes",
"vacuum tube"
] | When it comes to vintage displays, everyone gravitates to Nixies. These tubes look great, but you’re dealing with a certain aesthetic with these vintage numeric tubes. There is another option. For his Hackaday Prize entry, [castvee8]
is making seven-segment displays out of vintage neon lamps
. It looks great, and it’s ... | 11 | 5 | [
{
"comment_id": "4446573",
"author": "BillSF9c",
"timestamp": "2018-03-27T18:49:10",
"content": "It does have a look with a certain size and appeal. It does. But it is rather a prehistoric-like wolly mamouth to the nixie-tube’s sleeker, smaller elephant. I wo der if some sort of tubing, whether ligh... | 1,760,374,428.695295 | ||
https://hackaday.com/2018/03/27/scotty-allen-visits-strange-parts-builds-an-iphone/ | Scotty Allen Visits Strange Parts, Builds An IPhone | Elliot Williams | [
"cons",
"Hackaday Columns",
"hardware",
"Interviews"
] | [
"2017 Hackaday Superconference",
"hacking",
"hardware",
"interview",
"iphone",
"shenzhen",
"Superconference",
"talk"
] | Scotty Allen has a YouTube blog called
Strange Parts
; maybe you’ve seen his super-popular video about building his own iPhone “from scratch”. It’s a great story, and it’s also a pretext for a slightly deeper dive into the electronics hardware manufacturing, assembly, and repair capital of the world: Shenzhen, China. A... | 19 | 5 | [
{
"comment_id": "4446502",
"author": "oqnet",
"timestamp": "2018-03-27T17:17:00",
"content": "While the video where he assembles his own iphone is quite interesting, the one where he adds in a 3.5 jack to the phone and shows it can be done is really fantastic.",
"parent_id": null,
"depth": 1... | 1,760,374,428.905425 | ||
https://hackaday.com/2018/03/27/everything-you-wanted-to-know-about-transformers-but-were-afraid-to-ask/ | Everything You Wanted To Know About Transformers (But Were Afraid To Ask) | Al Williams | [
"hardware"
] | [
"transformers"
] | [Jim Pytel] has a lot of very good instructional videos on his channel, and he recently added
one you’ll enjoy on transformers
. You probably know that transformers convert one AC voltage into another AC voltage. Some step up voltage, some step down voltage, and others simply pass voltage through but isolate the input ... | 18 | 7 | [
{
"comment_id": "4446426",
"author": "Perry Levac",
"timestamp": "2018-03-27T15:59:15",
"content": "I’ve been in some of the largest transformers in the world.The work that is involved getting a transformer ready is amazing.About 10 years ago I was working at Nanaco in ontario. Yes the old coal gene... | 1,760,374,428.754036 | ||
https://hackaday.com/2018/03/27/how-to-reverse-engineer-mechanical-designs-for-3d-modeling/ | How To Reverse Engineer Mechanical Designs For 3D Modeling | Cameron Coward | [
"Engineering",
"Featured",
"how-to",
"Slider"
] | [
"3d modeling",
"cad",
"digital calipers",
"measuring",
"mechanical engineering",
"reverse engineering"
] | If you’re interested in 3D printing or CNC milling — or really any kind of fabrication — then duplicating or interfacing with an existing part is probably on your to-do list. The ability to print replacement parts when something breaks is often one of the top selling points of 3D printing. Want some proof? Just take a ... | 38 | 17 | [
{
"comment_id": "4446317",
"author": "steve",
"timestamp": "2018-03-27T14:14:57",
"content": "“About five inches”: I guess a lot of people can’t even estimate that right.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4446326",
"author": "Peter T.",
... | 1,760,374,428.845175 | ||
https://hackaday.com/2018/03/27/better-beer-through-gene-editing/ | Better Beer Through Gene Editing | Kristina Panos | [
"Beer Hacks",
"chemistry hacks",
"green hacks"
] | [
"beer",
"berkeley",
"CRISPR",
"CRISPR CaS9",
"essential oils",
"gene editing",
"hops",
"IPA",
"uc berkeley"
] | As much as today’s American beer drinker seems to like hoppy IPAs and other pale ales, it’s a shame that hops are so expensive to produce and transport. Did you know that it can take 50 pints of water to grow enough hops to produce one pint of craft beer? While hops aren’t critical to beer brewing, they do add essentia... | 63 | 13 | [
{
"comment_id": "4446176",
"author": "voxnulla",
"timestamp": "2018-03-27T11:16:48",
"content": "The hop wars seems to have peaked fortunately. During the height of the IPA fad the number of “craft” beers from the US and Europe that actually were palatable could be counted on one hand. One can only ... | 1,760,374,429.026991 | ||
https://hackaday.com/2018/03/27/retrotechtacular-a-180-gb-drive-from-1994/ | Retrotechtacular: A 180 GB Drive From 1994 | Al Williams | [
"Retrotechtacular"
] | [
"DASD",
"hard drive",
"ibm",
"RAMAC",
"retrotechtactular",
"spinnin"
] | Hard drive storage has gone through the roof in recent years. Rotating hard drives that can hold 16 terabytes of data are essentially available today, although pricey, and 12 terabyte drives are commonplace. For those who remember when a single terabyte was a lot of storage, the idea that you can now pick up a drive of... | 95 | 29 | [
{
"comment_id": "4446005",
"author": "Genki",
"timestamp": "2018-03-27T08:32:41",
"content": "1994… my first hard drive was 80mb and I never thought I’d fill that!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4446069",
"author": "rewolff",
... | 1,760,374,429.155846 | ||
https://hackaday.com/2018/03/26/norman-borlaug-saves-a-billion/ | Norman Borlaug Saves A Billion | Al Williams | [
"Biography",
"Featured",
"History"
] | [
"agriculture",
"borlaug",
"green revolution",
"wheat"
] | Everyone loves a hero. Save someone from a burning building, and you’ll get your fifteen minutes of fame. That’s why I’m always surprised that more people don’t know Norman Borlaug, who would have celebrated his 104th birthday on Sunday. He won the Nobel prize in 1970 and there’s good reason to think that his hacking e... | 124 | 18 | [
{
"comment_id": "4444814",
"author": "Ren",
"timestamp": "2018-03-26T14:14:05",
"content": "Most, if not all, of the famines in the past 150 years were exacerbated by politics.e.g. During the Irish potatoe famines, Ireland was exporting fattened cattle to England to butcher. (The Irish were heavily ... | 1,760,374,429.84407 | ||
https://hackaday.com/2018/03/26/robot-uses-iron-man-tech-to-walk/ | Robot Uses Iron Man Tech To Walk | Will Sweatman | [
"Robots Hacks"
] | [
"bi-pedal",
"iron man",
"jet engine"
] | Designing a bi-pedal robot is a relatively straight forward task, given the array of tools that we now have at our disposal. There are many open source examples out there for anyone to get started. Designing one that doesn’t fall over a lot… well that’s not so simple. This is because when we walk our center of balance ... | 18 | 9 | [
{
"comment_id": "4444465",
"author": "eccentricelectron",
"timestamp": "2018-03-26T11:12:12",
"content": "Hope we don’t have to wait until puberty to manage our centre of mass!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4444573",
"author": "jal",... | 1,760,374,429.563047 | ||
https://hackaday.com/2018/03/26/drill-bit-gauge-is-interdenominational-black-magic/ | Drill Bit Gauge Is Interdenominational Black Magic | Lewin Day | [
"Tool Hacks"
] | [
"drill bit",
"drill bits",
"measurement",
"tools"
] | Oh, sure – when you buy a new set of drill bits from the store, they come in a handy holder that demarcates all the different sizes neatly. But after a few years when they’ve ended up scattered in the bottom of your toolbox for a while, it becomes useful to have some sort of gauge to measure them.
[Caspar] has the solu... | 62 | 23 | [
{
"comment_id": "4444274",
"author": "dendad",
"timestamp": "2018-03-26T08:24:33",
"content": "pretty clever, and simple!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4445001",
"author": "steve",
"timestamp": "2018-03-26T16:01:21",
... | 1,760,374,430.109691 | ||
https://hackaday.com/2018/03/25/an-amiga-500-for-the-21st-century/ | An Amiga 500 For The 21st Century | Jenny List | [
"classic hacks"
] | [
"amiga",
"Amiga 500",
"amiga emulator",
"raspberry pi"
] | There was a period in the late 1980s when
the
home computer to own did not come with an Apple logo and was not an IBM, Compaq, or any of the other clones, but instead sported a Commodore logo. The Amiga 500 was an all-in-one console-style cased machine that maybe wasn’t quite the computing powerhouse you might have wis... | 26 | 6 | [
{
"comment_id": "4444107",
"author": "macona",
"timestamp": "2018-03-26T05:04:50",
"content": "It would probably just be easier to take apart a non-optical USB mouse and use the board in that to interface to a quad out mouse.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,374,430.014893 | ||
https://hackaday.com/2018/03/25/handy-continuity-tester-packs-multiple-modes-into-a-tiny-package/ | Handy Continuity Tester Packs Multiple Modes Into A Tiny Package | Dan Maloney | [
"Tool Hacks"
] | [
"continuity",
"diode",
"led",
"PIC10F322",
"polarity",
"schottky",
"test equipment"
] | From Leatherman multitools to oscilloscopes with built-in signal generators and protocol analyzers, there seems no end to tools with multiple personalities. Everybody loves multitaskers because they make it feel like you’re getting more bang for your buck, and in most cases that’s true. But a jack of all trades is seld... | 10 | 7 | [
{
"comment_id": "4444029",
"author": "Tasked",
"timestamp": "2018-03-26T02:50:10",
"content": "My multimeters continuity mode is so laggy! I’ve got a tube of atmega386s and a box of piezo speakers so I’m gonna whip up one of these tonight.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,430.152223 | ||
https://hackaday.com/2018/03/25/hackaday-links-march-25-2016/ | Hackaday Links: March 25, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"bbc",
"quadcopter",
"robot wars",
"space station",
"Tindie",
"Trinamic"
] | File this one under, ‘don’t do this yourself, but we’re glad they filmed it.’ [Denis Koryakin]
flew a quadcopter to 10km
, or about 33,000 feet. This was just an experiment to see if it was possible. A few items of note
from the video
: this thing was climbing at 14-15 m/s when it first took off. It was barely climbing... | 26 | 10 | [
{
"comment_id": "4443791",
"author": "Redhatter (VK4MSL)",
"timestamp": "2018-03-25T23:21:35",
"content": "Is a hat going to be sufficient to deflect a space station? I don’t think so somehow.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4443810",
... | 1,760,374,429.954429 | ||
https://hackaday.com/2018/03/25/rechargeable/ | Rechargeable Robot Mows Lawns | Bryan Cockfield | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d printed",
"blade",
"lawn",
"mower",
"robot",
"solar"
] | Perhaps one day our robot overlords will look back on all of the trivial things that humans made them do and take retribution on us. Until then, though, there’s no problem having them perform all of our chores. [v.loschiavo] is also exploiting our future rulers and
built a robot that mows his lawn automatically
as his ... | 11 | 8 | [
{
"comment_id": "4443644",
"author": "Tweepy",
"timestamp": "2018-03-25T20:30:54",
"content": "Nice project, pity there is no files at all, as I would have loved to have a glance at the power diagram here. I suspect the power panel is not of much use, and the external design should focus more on saf... | 1,760,374,429.891581 | ||
https://hackaday.com/2018/03/28/lets-bring-back-the-age-of-automatons/ | Let’s Bring Back The Age Of Automatons | Lara Grant | [
"3d Printer hacks"
] | [
"3d printed",
"3D printed robot",
"automata",
"automaton",
"mechanical"
] | Long before the concept of A.I., as we know it today existed, humans started building machines that seemed to move and even think by a will of their own. For decades we have been building automatons, self-operating machines, designed to resemble humans and animals. Causing the designer to break down human and animal mo... | 13 | 10 | [
{
"comment_id": "4447347",
"author": "PirateLabs",
"timestamp": "2018-03-28T15:09:23",
"content": "Beautiful! It even has the tilt/angle changes of the wings when flapping. This is a wonder and incredible blend of art and engineering.",
"parent_id": null,
"depth": 1,
"replies": []
},... | 1,760,374,430.20409 | ||
https://hackaday.com/2018/03/28/you-got-a-3d-printer-now-what-do-you-buy/ | The Essential List Of 3D Printer Accessories | Tom Nardi | [
"3d Printer hacks",
"Hackaday Columns",
"Skills",
"Slider"
] | [
"3d printing",
"accessories",
"best practices",
"caliper",
"filament",
"fire safety"
] | You’ve acquired your first 3D printer and are giddy with excitement. But like all new additive manufacturing adventurers, the more you do with your printer the more questions arise. Don’t worry, we’ve got your back.
Getting the most out of your time with a new 3D printer has a lot to do with the tools and accessories o... | 108 | 27 | [
{
"comment_id": "4447311",
"author": "Ren",
"timestamp": "2018-03-28T14:20:52",
"content": "“Now I’ll save you some trouble and tell you what you absolutely don’t need in 2018, and that’s ABS. At the risk of starting a war in the comments,”(Putting the popcorn packet into the microwave oven)",
"... | 1,760,374,430.410807 | ||
https://hackaday.com/2018/03/28/the-end-of-the-candy-rainbow/ | The End Of The Candy Rainbow | Kerry Scharfglass | [
"3d Printer hacks",
"Laser Hacks"
] | [
"3d printer",
"maker business",
"plywood",
"sugar"
] | About a decade ago [Windell Oskay] and [Lenore Edman] spun out of Evil Mad Scientist Laboratories to work on
CandyFab
, an inexpensive 3D printer that used sugar as its medium. Wondering what happened to CandyFab? It’s been nearly that long since we last
wrote about their work
and Maker technology has moved on; nowaday... | 15 | 7 | [
{
"comment_id": "4447213",
"author": "GregThePilot",
"timestamp": "2018-03-28T11:23:32",
"content": "A really good self-analysis although the part about VC funding was painful to read. “While we had personal access to many of the venture capitalists here in Silicon Valley…” followed by “… it’s hard ... | 1,760,374,430.259748 | ||
https://hackaday.com/2018/03/28/car-revival-according-to-tesla/ | Car Revival According To Tesla | Brian McEvoy | [
"car hacks",
"Repair Hacks",
"Slider"
] | [
"car",
"chassis",
"electric",
"electric car",
"ev",
"frankencar",
"horsepower",
"range",
"speed"
] | Frankencars are built from the parts of several cars to make one usable vehicle. [Jim Belosic] has crossed the (finish) line with his
Teslonda
. In the most basic sense, it is the body of a Honda Accord on top of the drive train of a Tesla Model S. The 1981 Honda was the make and model of his first car, but it wasn’t g... | 44 | 21 | [
{
"comment_id": "4447032",
"author": "Mike Massen",
"timestamp": "2018-03-28T08:11:40",
"content": "Thanks Brian McEvoy,Been thinking on this re a Holden Barina/Opel we took thepetrol engine out of, could be fun if only more time…I must I must collect more laptop batteries, house them, arrangesuitab... | 1,760,374,430.496872 | ||
https://hackaday.com/2018/03/27/3d-printed-esp8266-programming-jig/ | 3D Printed ESP8266 Programming Jig | Tom Nardi | [
"3d Printer hacks",
"Microcontrollers",
"Tool Hacks"
] | [
"3d printed",
"ESP8266",
"ftdi",
"pogo pins",
"programming jig"
] | The various development boards such as the NodeMCU or Wemos D1 make working with the ESP8266 an absolute breeze. If they have a downside, it is that they are larger than the bare ESP2866, and of course cost a bit more. Just as with the Arduino, once you have the wiring sorted out and the code more or less finalized, yo... | 20 | 8 | [
{
"comment_id": "4446960",
"author": "werecatf",
"timestamp": "2018-03-28T05:17:23",
"content": "Not to shit on what he has done here — I think this is a good project and could be fun to fiddle with — but just bying a ready-made tool from Chinaman for programming the ESP8266-modules would be cheaper... | 1,760,374,430.763287 | ||
https://hackaday.com/2018/03/27/forth-version-1-runs-again/ | Forth Version 1 Runs Again | Al Williams | [
"Retrocomputing",
"Software Hacks"
] | [
"forth",
"ibm 1130",
"retrocomputing"
] | Some people love Forth and some people hate it. However, you usually think of Forth as something running on a little computer such as an 8-bit microcomputer. When [Chuck Moore] developed the system back in the 1960s though, it ran on an IBM 1130. [Carl Claunch] took a scanned listing of the original code and
got it run... | 23 | 9 | [
{
"comment_id": "4446861",
"author": "drwho8 (@drwho8)",
"timestamp": "2018-03-28T02:49:22",
"content": "Yes that is indeed an 1130. A computer who needs outside help to build some of its code. And one receives it’s mail in NJ.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,431.139063 | ||
https://hackaday.com/2018/03/27/terrible-rc-transmitter-made-less-terrible/ | Terrible RC Transmitter Made Less Terrible | Tom Nardi | [
"drone hacks",
"Repair Hacks",
"Toy Hacks"
] | [
"quality control",
"RC transmitter",
"repair"
] | It should probably go without saying that we’ve got nothing against the occasional bout of elaborate troubleshooting and repair, in fact it’s one of the most common things we cover here. As it turns out, people aren’t overly fond of being fleeced, and there are a lot of smart people out there who will put a lot of work... | 32 | 8 | [
{
"comment_id": "4446721",
"author": "Luke",
"timestamp": "2018-03-27T23:16:37",
"content": "Pushing a certain percentage of faulty units is very common, because the company that ordered them from the Chinese factory has to order more units to replace those that don’t work.So some units are made wit... | 1,760,374,431.079512 | ||
https://hackaday.com/2018/03/25/turning-the-beaglebone-on-a-chip-into-a-3d-printer-controller/ | Turning The Beaglebone On A Chip Into A 3D Printer Controller | Brian Benchoff | [
"3d Printer hacks",
"cons",
"Slider"
] | [
"beaglebone",
"MRRF",
"MRRF 2018",
"Octavo",
"Octavo Systems",
"Replicape",
"Trinamic"
] | It’s understood that 3D printers and CNC machines need to control motors, but there are a few other niceties that are always good to have. It would be great if the controller board ran Linux, had support for a nice display, and had some sort of networking. The usual way of going about this is either driving a CNC machi... | 50 | 17 | [
{
"comment_id": "4443526",
"author": "Gravis",
"timestamp": "2018-03-25T17:08:22",
"content": "That’s no CNC controller, that’s a CNCcomputer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4443532",
"author": "goodidea",
"timestamp": "2018-0... | 1,760,374,431.230308 | ||
https://hackaday.com/2018/03/25/iron-man-mask-with-a-hud/ | Iron Man Mask With A HUD! | James Hobson | [
"hardware",
"Raspberry Pi",
"Wearable Hacks"
] | [
"hud",
"iron man",
"oled",
"pHat",
"prop",
"Zero W"
] | At some point, a child will inevitably dream of being a superhero. Not all children get the chance to see that dream made manifest, but a few take that destiny into their own hands. Redditor [Lord_of_Bone] — seizing at that goal — has built himself an Iron Man mask
with an integrated HUD
!
Relying on a conceptually sim... | 12 | 5 | [
{
"comment_id": "4443449",
"author": "dmcbeing",
"timestamp": "2018-03-25T15:57:50",
"content": "Boo,hoo… Tony built that in a CAVE.. with a box of SCRAP!!(Joking aside, good job ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4443610",
"author": "Ostrac... | 1,760,374,430.813823 | ||
https://hackaday.com/2018/03/25/quantum-electric-material-borrows-from-japanese-basketweaving/ | Quantum Electric Material Borrows From Japanese Basketweaving | Al Williams | [
"Science"
] | [
"harvard",
"herbertsmithite",
"kagome",
"lawrence berkeley",
"mit",
"quantum",
"superconductor"
] | Kagome is a pattern used to weave baskets from bamboo strips. The pattern is a symmetrical pattern of interlaced triangles that share corners. Scientists from MIT, Harvard, and Lawrence Berkeley National Laboratory have produced
a kagome metal
and found that it has exotic quantum properties.
Their paper, published in
N... | 13 | 6 | [
{
"comment_id": "4443182",
"author": "neon22",
"timestamp": "2018-03-25T11:19:23",
"content": "Kagome pattern with Bismuth and Magnesium and Iron – just saying….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4443460",
"author": "Megol",
"tim... | 1,760,374,431.003329 | ||
https://hackaday.com/2018/03/25/arbor-press-modded-for-applying-specific-force/ | Arbor Press Modded For Applying Specific Force | Donald Papp | [
"Tool Hacks"
] | [
"arbor press",
"press",
"torque",
"torque wrench"
] | Arbor presses are simple and effective tools made for a particular task: exerting force in a specific spot. A 1-ton arbor press fits on a desktop and is very affordable, but doesn’t offer a lot of particularly fine control over the ram beyond lowering and raising it. [concreted0g] got to thinking about ways to gain mor... | 25 | 10 | [
{
"comment_id": "4443051",
"author": "macona",
"timestamp": "2018-03-25T08:14:09",
"content": "Not a spindle, its a pinion.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4443209",
"author": "CouldntHelpIt",
"timestamp": "2018-03-25T12:16:53"... | 1,760,374,431.408934 | ||
https://hackaday.com/2018/03/24/great-emergency-lights-from-not-so-great-ups/ | Great Emergency Lights From Not-So-Great UPS | Jenny List | [
"LED Hacks"
] | [
"apc",
"battery",
"emergency light",
"led strip",
"ups"
] | We know your shame. Like you, we wanted to save some scratch and bought the bottom-of-the-range UPS, only to discover that it is no use to man or beast as it lacks the power to perform any reasonable task. It’s now sitting in a corner, to gather dust as its batteries deteriorate.
Not so fast with the UPS abandonment! [... | 25 | 9 | [
{
"comment_id": "4442955",
"author": "Severe Tire Damage",
"timestamp": "2018-03-25T05:47:14",
"content": "When it is all said and done, coffee is all that really matters — even in the dark.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4443333",
"a... | 1,760,374,431.292147 | ||
https://hackaday.com/2018/03/24/let-there-be-light-rings/ | Let There Be Light Rings! | James Hobson | [
"LED Hacks"
] | [
"diffuser",
"hot glue",
"light ring",
"vellum"
] | [Brandon Rice] is at it again — this time to level-up your photography and video production skills with a
diffused light ring
.
Inspired into creating more video content, he wanted to forgo the price tag associated with consumer lighting rigs. A 19″ diameter ring fit his requirements, but since the only laser cutter he... | 11 | 4 | [
{
"comment_id": "4443005",
"author": "Jan",
"timestamp": "2018-03-25T07:16:10",
"content": "That is a huge difference in that photo. A great improvement regarding lighting of the subject. Though If you make aclosup of a face it will immediately show that ring-lighting is used as the eyes turn scary ... | 1,760,374,431.344394 | ||
https://hackaday.com/2018/03/24/hands-on-with-filament-splicing-robots/ | Hands On With Filament Splicing Robots | Brian Benchoff | [
"3d Printer hacks",
"cons",
"Slider"
] | [
"3d printing",
"Mosaic Manufacturing",
"multimaterial",
"Palette"
] | The future of 3D printing, it seems, is in multimaterial filament printers. The Prusa I3 multimaterial upgrade exists, and this weekend at MRRF
E3D announced their amazing multihead printer
. Multimaterial printing will get you mechanical parts with the properties you want, like wheels with grippy treads and strong hub... | 27 | 11 | [
{
"comment_id": "4442646",
"author": "Redhatter (VK4MSL)",
"timestamp": "2018-03-24T23:14:43",
"content": "Nothing to say you couldn’t combine two of these with a dual-head machine, one loaded with ABS and the other with PLA. The complexity would be in the slicer.",
"parent_id": null,
"dept... | 1,760,374,431.487989 | ||
https://hackaday.com/2018/03/31/sharpening-with-bluetooth/ | Sharpening With Bluetooth | Al Williams | [
"ARM",
"Tool Hacks"
] | [
"diy knife sharpening",
"knife",
"sharpening"
] | Few things are as frustrating in the kitchen as a dull knife. [Becky] and her chef friend collaborated to build a Bluetooth module to tell you when you are
sharpening a knife at the optimum angle
. That might sound a little specialized, but the problem boils down to one that is common enough in a lot of situations: how... | 21 | 9 | [
{
"comment_id": "4450928",
"author": "Gordon",
"timestamp": "2018-03-31T08:32:06",
"content": "There’s got to be a problem if a chef hasn’t learnt how to sharpen their own knives properly.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4451083",
"aut... | 1,760,374,431.545768 | ||
https://hackaday.com/2018/03/30/giving-a-6th-generation-ipod-a-new-lease-on-life/ | Giving A 6th Generation IPod A New Lease On Life | James Hobson | [
"how-to",
"ipod hacks"
] | [
"battery",
"iFlash",
"itunes",
"Rockbox",
"sd card",
"upgrade"
] | It can be disheartening when a favoured device begins to break-down. Afflicted by an all-but-dead battery and a fritzing-out hard drive, Redditor [cswimc] sensed the imminent doom creeping up on their 6th generation iPod, and responded by
reviving and upgrading
the decrepit device instead!
It’s no easy task to crack op... | 13 | 9 | [
{
"comment_id": "4450730",
"author": "Peter Burkimsher",
"timestamp": "2018-03-31T05:27:24",
"content": "I have an iPod on a belt clip right now, like every day!I upgraded mine to add a WiFi card reader too.https://raw.githubusercontent.com/peterburk/blog/master/ipodnanophotos/IMG_9640.JPGNow I’m no... | 1,760,374,431.709675 | ||
https://hackaday.com/2018/03/30/the-internet-of-three-pointers/ | The Internet Of Three-Pointers | James Hobson | [
"Arduino Hacks",
"Misc Hacks"
] | [
"basketball",
"internet of things",
"laser cutter",
"led",
"photon"
] | When tossing something into the rubbish bin, do you ever concoct that momentary mental scenario where you’re on a basketball court charging the net — the game’s final seconds ticking down on the clock — making a desperate stretch and flicking some crumpled paper perfectly into the basket only for no one to notice your ... | 1 | 1 | [
{
"comment_id": "4450601",
"author": "Genki",
"timestamp": "2018-03-31T02:32:54",
"content": "The black and white icon in the middle of the first picture reminded me of something my parents used to have, Adapters to use records with large hole onto record player with smaller spindle.",
"parent_i... | 1,760,374,433.302009 | ||
https://hackaday.com/2018/03/30/a-retrocomputer-disk-on-a-chip/ | A Retrocomputer Disk On A Chip | Al Williams | [
"Retrocomputing"
] | [
"diskonchip",
"isa",
"isa bus",
"m-systems",
"retrocomputing"
] | There have been a lot of different mass storage methods over the relatively short lifespan of the computer. Magnetic tapes, drums, all sorts of disks, and flash memory have each had their time. Each of these new innovations required some time to become easy to use. One of the early attempts to simplify using flash memo... | 28 | 9 | [
{
"comment_id": "4450426",
"author": "jcwren",
"timestamp": "2018-03-30T23:09:36",
"content": "I have a collection of 2MB SunDisk cards. SunDisk later became SanDisk. We used these on the IBM RoadRider project, which was the first in-vehicle computer system for over-the-road trucking. It had a QualC... | 1,760,374,434.08658 | ||
https://hackaday.com/2018/03/30/diy-mini-amp-goes-to-eleven/ | DIY Mini-Amp Goes To Eleven | James Hobson | [
"Musical Hacks"
] | [
"amp",
"amplifier",
"guitar",
"lm386",
"mini",
"wood"
] | On the day mini-amps were invented, electric guitar players the world over rejoiced. No longer would they be house-bound when jamming out on their favourite guitar. It is a doubly wondrous day indeed when an electric guitar-inclined maker realizes they
can make their own
.
[Frank Olson Music] took apart an old pair of... | 26 | 6 | [
{
"comment_id": "4450222",
"author": "Ren",
"timestamp": "2018-03-30T20:28:08",
"content": "A tie (for the grill cloth) for the win!B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4450261",
"author": "bufferscotch",
"timestamp": "2018-03-3... | 1,760,374,433.362389 | ||
https://hackaday.com/2018/03/30/watch-this-tiny-dome-auto-open-and-close-into-a-propeller/ | Watch This Tiny Dome Auto-open And Close Into A Propeller | Donald Papp | [
"drone hacks",
"The Hackaday Prize"
] | [
"3d printed",
"brushless motor",
"drone",
"folding propeller",
"propeller",
"the hackaday prize"
] | Careful planning and simulation is invaluable, but it can also be rewarding to dive directly into prototyping. This is the approach [Carl Bugeja] took with his
Spherical Folding Propeller
design which he has entered into the Open Hardware Design Challenge category of The
2018 Hackaday Prize
. While at rest, the folding... | 16 | 8 | [
{
"comment_id": "4450082",
"author": "PirateLabs",
"timestamp": "2018-03-30T19:01:15",
"content": "Nice design. It looks like those blades would make better thrust in the water than in air but, this proves the concept and it looks great too.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,374,433.518967 | ||
https://hackaday.com/2018/03/30/fail-of-the-week-how-not-to-build-your-own-dgps-base-station/ | Fail Of The Week: How Not To Build Your Own DGPS Base Station | Christian Trapp | [
"Fail of the Week",
"gps hacks"
] | [
"differential GPS",
"fail of the week",
"gps"
] | GPS is the modern answer to the ancient question about one’s place in the world yet it has its limitations. It depends on the time of flight of radio signals emitted by satellites twenty thousand kilometers above you. Like any system involving large distances and high velocities, this is bound to offer some challenges ... | 79 | 28 | [
{
"comment_id": "4449958",
"author": "xhantu",
"timestamp": "2018-03-30T17:42:34",
"content": "To make this work your base station and mobile station need to use exactly the same satellites, otherwise the error is not the same. If you watch your animation you can almost see the movement of the satel... | 1,760,374,433.814132 | ||
https://hackaday.com/2018/03/24/the-weedinator-returns/ | The Weedinator Returns | Donald Papp | [
"green hacks",
"Robots Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"agriculture",
"autonomous",
"cultivating",
"farming",
"robotic",
"seeding",
"tractor",
"weeding"
] | We are delighted to see
The Weedinator
as an entry for the 2018 Hackaday Prize! Innovations in agriculture are great opportunities to build something to improve our world. [TegwynTwmffat]’s Weedinator is an autonomous, electric platform aimed at small farms to take care of cultivating, tilling, and weeding seedbeds. Th... | 42 | 10 | [
{
"comment_id": "4442411",
"author": "jafinch78",
"timestamp": "2018-03-24T20:21:50",
"content": "Man, those little Honda generators are hard to beat. Will be interesting to see the implement attachments as well as sensing methods. Seems data on the field characteristics for watering, fertilizing a... | 1,760,374,433.452383 | ||
https://hackaday.com/2018/03/24/e3d-introduces-tool-changing-3d-printer/ | E3D Introduces Tool Changing 3D Printer | Brian Benchoff | [
"3d Printer hacks",
"cons",
"Slider"
] | [
"E3D",
"multimaterial",
"tool changing",
"toolchanging"
] | E3D has introduced their latest answer to multimaterial printing at the Midwest RepRap Festival this weekend. Their research project into a 3D printer with the ability to change toolheads is the latest advancement in multimaterial printing. It’s a work of engineering brilliance,
and they’ve already written up their tea... | 40 | 9 | [
{
"comment_id": "4442258",
"author": "Ginja",
"timestamp": "2018-03-24T17:24:39",
"content": "Nice. I thought of something very similar about 3 years ago; core xy, swapping heads, using magnets and/or servo to capture the heads, but never had time to pursue it. I didn’t like all the mixing/multiple/... | 1,760,374,433.899801 | ||
https://hackaday.com/2018/03/24/us-military-developing-laser-plasma-speakers/ | US Military Developing Laser Plasma Speakers | Tom Nardi | [
"Laser Hacks",
"Weapons Hacks"
] | [
"laser",
"military",
"non-lethal weapon",
"plasma",
"plasma speaker"
] | It probably won’t surprise you to know that the US military is very interested in using lasers as weapons. Directed energy weapons such as lasers have many advantages over more traditional kinetic weaponry, not least of which the fact that you don’t need to cart around ammunition for them. But somewhat surprisingly, so... | 27 | 12 | [
{
"comment_id": "4442204",
"author": "Ostracus",
"timestamp": "2018-03-24T15:34:52",
"content": "” A disembodied voice telling you to turn around sounds like a extremely effective non-violent deterrent to us. The voices in our head don’t have to tell us twice.”Once science rules the world, that’ll d... | 1,760,374,433.971167 | ||
https://hackaday.com/2018/03/24/lasers-mirrors-and-sensors-combine-in-an-optical-bench-game/ | Lasers, Mirrors, And Sensors Combine In An Optical Bench Game | Dan Maloney | [
"Games",
"Laser Hacks",
"Misc Hacks"
] | [
"acrylic",
"arduino",
"CdS cell",
"laser cutter",
"laser pointer",
"oled",
"RGB LED"
] | Who would have thought you could make a game out of an optical bench? [Chris Mitchell] did, and while we were skeptical at first, his
laser Light Bender game
has some potential. Just watch your eyes.
The premise is simple: direct the beam of a colored laser to the correct target before time runs out. [Chris] used laser... | 11 | 6 | [
{
"comment_id": "4441693",
"author": "Frans G Bengtsson",
"timestamp": "2018-03-24T11:27:55",
"content": "What an execution, looks beautiful! Does anyone know what the light bending pieces are, espwcially why you need the ones that the beam goes straight through. Is it possible to add splitting an... | 1,760,374,434.020461 | ||
https://hackaday.com/2018/03/24/cordless-tool-battery-pack-turned-into-portable-bench-supply/ | Cordless Tool Battery Pack Turned Into Portable Bench Supply | Dan Maloney | [
"Tool Hacks"
] | [
"bench supply",
"cordless",
"dc-dc",
"DPS5005",
"lithium ion",
"psu",
"ryobi"
] | Say what you want about the current crop of mass-marketed consumer-grade cordless tools, but they’ve got one thing going for them — they’re cheap. Cheap enough, in fact, that they offer a lot of hacking opportunities, like
this portable bench power supply that rides atop a Ryobi battery
.
Like many of the more common b... | 18 | 10 | [
{
"comment_id": "4441509",
"author": "Niklas",
"timestamp": "2018-03-24T09:24:32",
"content": "That makes a lot of sense! I have plenty of DeWalt batteries and I’m constantly using them for other purposes than just powering my cordless drills. Here are the STLs and Sketchup files for the 3D printed ... | 1,760,374,433.683282 | ||
https://hackaday.com/2018/03/23/business-on-the-outside-electronics-workstation-on-the-inside/ | Business On The Outside, Electronics Workstation On The Inside | James Hobson | [
"Lifehacks",
"Tool Hacks"
] | [
"arduino",
"atmega",
"briefcase",
"electronics",
"portable",
"soldering",
"soldering station",
"workbench",
"workstation"
] | As an electrical engineering student, [Brandon Rice] had the full suite of electronics tools you’d expect. Cramming them all into a dorm room was doable — but cramped — a labour to square everything away from his desk’s top when he had to work on something else. To make it easier on himself, he built himself a portable... | 15 | 9 | [
{
"comment_id": "4442132",
"author": "Robert Mateja",
"timestamp": "2018-03-24T13:55:25",
"content": "Good luck Sir on airport ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4442140",
"author": "GekkePrutser",
"timestamp": "2018-03-24T14:1... | 1,760,374,434.305057 | ||
https://hackaday.com/2018/03/23/ground-effect-lighting-for-your-bed/ | Ground-Effect Lighting For Your Bed. | James Hobson | [
"home hacks",
"Lifehacks"
] | [
"adafruit",
"bed",
"bedroom",
"ground effect",
"nano",
"Sleeping",
"Sleepwalking"
] | If you’ve ever disturbed your partner by getting up during the night and flicking on the bathroom light — or tripping over something and startling them awake completely in the ensuing catastrophe — [
Kristjan Berce
]’s idea to install motion-activated
ground-effect lighting
on his girlfriend’s bed might hold your atten... | 24 | 6 | [
{
"comment_id": "4441415",
"author": "Conrad",
"timestamp": "2018-03-24T04:44:17",
"content": "It’s a great idea and well executed. I’ve considered doing this in the past but never got around to it.Suggestions I could make for version 2: Include an LDR so you never have to worry about turning it on ... | 1,760,374,434.745375 | ||
https://hackaday.com/2018/03/23/led-strips-are-so-hot-right-now/ | LED Strips Are So Hot Right Now | Jenny List | [
"LED Hacks",
"News"
] | [
"LED efficiency",
"led strips",
"leds"
] | Sometimes there will appear a figure that flies in the face of reason, and challenges everything you think you know about a subject. Just such a moment came from [Chris Taylor] at Milton Keynes Makerspace when he
characterised a set of LED strips
, and the figure in question was that he found an LED strip creates the s... | 111 | 31 | [
{
"comment_id": "4439870",
"author": "knowmore",
"timestamp": "2018-03-23T08:17:42",
"content": "“an LED strip creates the same amount of heat as its equivalent incandescent bulb.”the heat produced by an incandescent bulb is not shown here and is not shown in the linked article/test data. anywise, i... | 1,760,374,434.679241 | ||
https://hackaday.com/2018/03/22/a-diy-nine-channel-digital-scope/ | A DIY Nine Channel Digital Scope | Christian Trapp | [
"FPGA"
] | [
"digital Oscilloscope",
"diy oscilloscope",
"fpga",
"oscilloscope"
] | Have you ever found yourself in the need of a nine channel scope, when all you had was an FPGA evaluation board? Do not despair, [Miguel Angel] has you covered. While trying to make sense of the inner workings of a RAM controller core, he realized that he needed to capture a lot of signals in parallel and whipped up
th... | 25 | 7 | [
{
"comment_id": "4439736",
"author": "Art Mezins",
"timestamp": "2018-03-23T05:32:04",
"content": "I bought the Saleae Logic Pro 16 when it was a kickstarter a few years ago. It can do mixes of 16 inputs of analog and digital, within the bandwidth of a USB 3.0 link. There are bandwidth tradeoffs dep... | 1,760,374,434.440234 | ||
https://hackaday.com/2018/03/22/want-a-leak-proof-camper-better-fire-up-the-3d-printer-now/ | Want A Leak-Proof Camper? Better Fire Up The 3D Printer Now. | James Hobson | [
"3d Printer hacks"
] | [
"camper",
"camping",
"canada",
"high-flow",
"Nozzle",
"Outdoors",
"record"
] | Ah, the great outdoors. Rejuvenating air rife with mosquitoes and other nasties, and spending some time hanging out in the woods sleeping in a
3D printed camper
. Wait– what was that last one again?
Yep, it’s exactly what it sounds like. A Canadian team headed by [Randy Janes] of Wave of the Future 3D, printed a campe... | 32 | 15 | [
{
"comment_id": "4439540",
"author": "pantonvich",
"timestamp": "2018-03-23T02:39:33",
"content": "if you go to there link – don’t bother to watch the video – 45 second commercial for a 5 second video",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4440336",
... | 1,760,374,434.52106 | ||
https://hackaday.com/2018/03/22/converting-power-supplies-for-antique-computers/ | Converting Power Supplies For Antique Computers | Bryan Cockfield | [
"classic hacks",
"computer hacks"
] | [
"amiga",
"Amiga 500",
"classic",
"commodore",
"Computing",
"connector",
"power supply",
"psu",
"retro"
] | Just because something is “never used” doesn’t mean it’s good. [Inkoo Vintage Computing] learned that lesson while trying to repair an Amiga 500 and finding parts online that were claimed to be “new” in that they were old stock that had never been used. The problem was that in the last 30 years the capacitors had dried... | 16 | 6 | [
{
"comment_id": "4439409",
"author": "Bill Sussman",
"timestamp": "2018-03-22T23:24:07",
"content": "You can also replace the caps in an old PSU yeah? I ask because I have an A500 in the closet and I’d like to ensure it keeps working",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,434.957802 | ||
https://hackaday.com/2018/03/22/arduino-clock-jots-down-the-time-in-uv/ | Arduino Clock Jots Down The Time, In UV | Tom Nardi | [
"Arduino Hacks",
"clock hacks",
"Robots Hacks"
] | [
"3d printed",
"arduino",
"articulated",
"rtc",
"UV LED"
] | We’re big fans of the impractical around here at Hackaday. Sure there’s a certain appeal to coming up with the most efficient method to accomplish your goal, the method that does exactly what it needs to do without any superfluous elements. But it’s just not as much
fun.
If at least one person doesn’t ask “But why?”, t... | 7 | 2 | [
{
"comment_id": "4439129",
"author": "Ostracus",
"timestamp": "2018-03-22T20:13:08",
"content": "“We’re big fans of the impractical around here at Hackaday.”A clock that shocks the time to you in Morse code. Now remove your shoes, stand the in puddle over here, and hold this.",
"parent_id": null... | 1,760,374,434.795093 | ||
https://hackaday.com/2018/03/22/carrots-in-space/ | Carrots In Space | Christian Trapp | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"gardening",
"greenhouse",
"space"
] | For this year’s Hackaday Prize, [will.stevens] is growing his own produce and now looks for a way to shield his endeavors from the perils of the British winter. To achieve this, he decided to
grow vegetables in sealed containers
. Inspired by prior art and backed up by research, his approach is a wild mix of applied la... | 18 | 8 | [
{
"comment_id": "4438982",
"author": "jafinch78",
"timestamp": "2018-03-22T18:55:42",
"content": "Interesting mass and energy balance to study for in particular… carrots. I just harvested a a few bags of sunchokes to transplant and was looking at what the nutrient values are and still reading to se... | 1,760,374,435.123469 | ||
https://hackaday.com/2018/03/22/mechanisms-cable-ties/ | Mechanisms: Cable Ties | Dan Maloney | [
"Engineering",
"Hackaday Columns"
] | [
"cable tie",
"fastener",
"Mechanisms",
"nylon",
"pawl",
"ratchet",
"tensioning",
"Ty-Rap",
"wiring harness",
"zip tie"
] | Zip ties, Ty-Raps, cable ties; call them what you will, but it’s hard to imagine doing without these ubiquitous and useful devices. Along with duct tape and hot glue, they’re part of the triumvirate of fasteners used to solve nasty problems quickly and cheaply. They’re next up on the list of mechanisms we find fascinat... | 63 | 18 | [
{
"comment_id": "4438821",
"author": "Alex Rossie",
"timestamp": "2018-03-22T17:19:33",
"content": "I cannot abide zip ties. It’s like aluminium foil on a forest floor.Velcro ties all the way.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4438866",
... | 1,760,374,435.062808 | ||
https://hackaday.com/2018/03/23/diy-perpetual-flip-calendar/ | DIY Perpetual Flip Calendar | Rich Hawkes | [
"how-to"
] | [
"calendar",
"flip calendar",
"morso guillotine",
"woodworking"
] | Flip calendars are a neat little piece of history. Sold as tourist trinkets, they sit on your desk and show the current day of the month and, depending on the particular calendar, month and year. Each day, you rotate it and it shows you the current date. At the end of February, you rotate it a bunch of times to get fro... | 12 | 8 | [
{
"comment_id": "4441125",
"author": "Nikolai",
"timestamp": "2018-03-23T23:14:25",
"content": "I remember we had flip calendarhttps://www.youtube.com/watch?v=PQwULaN6Yt8",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4441465",
"author": "Nikolai",
... | 1,760,374,435.176226 | ||
https://hackaday.com/2018/03/23/building-a-plate-reverb-on-the-cheap/ | Building A Plate Reverb On The Cheap | Tom Nardi | [
"Musical Hacks"
] | [
"audio effect",
"piezoelectric",
"plate reverb",
"sheet metal"
] | For those who don’t spend their free time creating music with experimental audio effects, a plate reverb is essentially a speaker. It just happens to be, by design, a rather poor one. Rather than using a paper cone for a diaphragm like a traditional speaker, the plate reverb uses as you might guess, a metal plate. As t... | 18 | 11 | [
{
"comment_id": "4441090",
"author": "Ken N",
"timestamp": "2018-03-23T22:07:03",
"content": "I had the great good fortune to have worked at a facility that had a couple of the original EMT plate reverbs. These had quite substantial steel frames, and there was no use of coil springs or similar; the... | 1,760,374,435.245045 | ||
https://hackaday.com/2018/03/23/were-making-it-rain-achievements-this-year/ | We’re Making It Rain Achievements This Year | Mike Szczys | [
"Roundup",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize"
] | We just dished out the first round of achievements to a bunch of hardware projects and there’s a lot more to come.
You may have missed it in
all the fanfare last week
, so today we take a closer look. Achievements are the newest edition to the Hackaday Prize and we’re really excited about them! With so much creativity ... | 6 | 4 | [
{
"comment_id": "4441043",
"author": "Ostracus",
"timestamp": "2018-03-23T20:47:18",
"content": "Maybe that should someone else new project? A new and improved Hackaday.io with twice as much fiber.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4441173",
"... | 1,760,374,435.317523 | ||
https://hackaday.com/2018/03/23/hackaday-visits-worlds-oldest-computer-festival-tcf-43/ | Hackaday Visits World’s Oldest Computer Festival: TCF 43 | Tom Nardi | [
"computer hacks",
"cons",
"Hackaday Columns"
] | [
"electronics flea market",
"First Robotics",
"presentation",
"TCF",
"toool",
"Trenton Computer Festival"
] | I was fortunate enough to visit the
Trenton Computer Festival
last weekend. The show struck a very interesting mix of new and old, commercial and educational. Attendees were writing programs in BASIC on an Apple I (courtesy of the
Vintage Computer Federation
) not more than five feet from where students were demonstrat... | 10 | 7 | [
{
"comment_id": "4440826",
"author": "Ren",
"timestamp": "2018-03-23T17:24:12",
"content": "Ohh, to live a 1000 miles (1600 Km -Jenny) closer!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4446913",
"author": "Scoldog",
"timestamp": "2018-03... | 1,760,374,435.601568 | ||
https://hackaday.com/2018/03/23/servos-do-the-plucking-in-this-midi-music-box/ | Servos Do The Plucking In This MIDI Music Box | Dan Maloney | [
"Musical Hacks"
] | [
"midi",
"Music box",
"punch card",
"servo",
"STM32F103"
] | It started with a cheap, punch-card programmable manual music box. Thirty-one hobby servos later, it ended as
an automated MIDI music box
, with a short pit stop as a keyboard-driven MIDI device.
If you think you’ve seen the music box in [Mitxela]’s video below before, you’re right. [Martin], musician, inventor, and fa... | 18 | 11 | [
{
"comment_id": "4440621",
"author": "elmesito",
"timestamp": "2018-03-23T16:08:15",
"content": "I wonder if it would have been better using solenoids, which already have a linear movement.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4440658",
"au... | 1,760,374,435.390467 | ||
https://hackaday.com/2018/03/23/ever-wonder-how-the-bots-on-robot-wars-were-built/ | Ever Wonder How The Bots On Robot Wars Were Built? | Jenny List | [
"Engineering",
"Featured",
"Robots Hacks"
] | [
"robot",
"robot wars",
"robotic combat",
"SMIDSY"
] | Building a robot that can do anything well is a tough challenge. Building one that can stand up to another robot trying to violently put it out of commission is an even harder task. But it makes for some entertaining television! It is this combination that thrust a few creative robot building teams into the world of
Ro... | 17 | 9 | [
{
"comment_id": "4440636",
"author": "me",
"timestamp": "2018-03-23T16:15:38",
"content": "Great article. Thanks for writing it in actual *words* rather than forcing me to (not) watch yet another youtube video!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,374,435.723384 | ||
https://hackaday.com/2018/03/23/stecchino-game-is-all-about-balancing-a-big-toothpick/ | Stecchino Game Is All About Balancing A Big Toothpick | Donald Papp | [
"Arduino Hacks",
"LED Hacks"
] | [
"arduino",
"balance",
"balancing game",
"Dad Inventors",
"enclosure",
"francais",
"game",
"laser cut",
"led strip",
"MPU-6050",
"open hardware",
"open source",
"Papas Inventeurs",
"ws2812b"
] | Stecchino demo by the creator
Self-described “Inventor Dad” [pepelepoisson]’s project is called
Stecchino
(English translation link
here
) and it’s an Arduino-based physical balancing game that aims to be intuitive to use and play for all ages. Using the Stecchino (‘toothpick’ in Italian) consists of balancing the devi... | 5 | 2 | [
{
"comment_id": "4440264",
"author": "Pete",
"timestamp": "2018-03-23T12:16:45",
"content": "I thought at first there might be a new version of addressable RGB LED out there, but it appears to be a typo. One that’s also in all the other copies of this story that are out there it seems…",
"paren... | 1,760,374,435.772534 | ||
https://hackaday.com/2018/03/22/join-hackaday-at-the-midwest-reprap-festival-this-weekend/ | Join Hackaday At The Midwest RepRap Festival This Weekend | Brian Benchoff | [
"cons"
] | [] | What time is it?
It’s Midwest RepRap Festival time
, and it’s happening this weekend in beautiful Goshen, Indiana. It’s free, it’s open to everyone, and it’s the greatest 3D printer convention on Earth.
What’s so great about MRRF? This is where the latest products in the 3D printing space are launched. A few years ago,... | 7 | 6 | [
{
"comment_id": "4438701",
"author": "Daren Schwenke",
"timestamp": "2018-03-22T16:16:57",
"content": "Sadly we won’t be able to make the 1200 mile trip to Goshen this year so the M2 won’t be there at least. I’m totally bummed about it too, but life happens.If anything from Arcus3D is there, it wou... | 1,760,374,435.654829 | ||
https://hackaday.com/2018/03/22/geoffrey-the-giraffes-last-call-of-toys-for-hacking/ | Geoffrey The Giraffe’s Last Call Of Toys For Hacking | Roger Cheng | [
"Toy Hacks"
] | [
"business",
"retail",
"toys"
] | Many of us in the United States frequently browse the shelves of Toys R Us for things to hack on. Sadly that era will soon end with the chain’s closing. In the meantime, the entire store becomes the clearance shelf as they start liquidating inventory. Depending on store, the process may begin
as soon as Thursday, March... | 30 | 11 | [
{
"comment_id": "4438597",
"author": "Ostracus",
"timestamp": "2018-03-22T15:20:00",
"content": "“As resourceful consumers, we will find other project inspirations. Many projects on this site have sourced parts from Amazon. In commercial retail, Target has started popping up in increasing frequency.... | 1,760,374,435.859682 | ||
https://hackaday.com/2018/03/22/an-introduction-to-storm-detector-modules/ | An Introduction To Storm Detector Modules | Sean Boyce | [
"Featured",
"how-to",
"Microcontrollers",
"Radio Hacks",
"Skills",
"Tool Hacks"
] | [
"lightning detector",
"lua",
"NodeMCU",
"spi"
] | Lightning storm detectors have been around for a
surprisingly long time
. The early designs consisted of a pair of metal bells and a pendulum. When there was a charge applied, for example by connecting one bell to the ground and the other to a lightning rod, the bells would ring when a lightning storm was close by. In ... | 41 | 19 | [
{
"comment_id": "4438456",
"author": "Ostracus",
"timestamp": "2018-03-22T14:25:32",
"content": "Wonder how many consumer weather stations have something like this? By itself it’s nice. Networked, really brings out it’s usefulness.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,436.062918 | ||
https://hackaday.com/2018/03/22/what-to-do-with-your-brand-new-ultrasonic-transducer/ | What To Do With Your Brand New Ultrasonic Transducer | Brian McEvoy | [
"how-to",
"Tool Hacks"
] | [
"blade",
"drill",
"inverter",
"saw",
"tool",
"tune",
"tuning",
"ultrasonic"
] | We wager you haven’t you heard the latest from ultrasonics. Sorry. [Lindsay Wilson] is a Hackaday reader who wants to share his knowledge of
transducer tuning to make tools
. The bare unit he uses to demonstrate might attach to the bottom of an ultrasonic cleaner tank, which have a different construction than the ones ... | 23 | 12 | [
{
"comment_id": "4438112",
"author": "codifies",
"timestamp": "2018-03-22T11:57:32",
"content": "I’d love to see a writ up on hackaday about how various types of sensors can be used to build images like ultrasound scanners… strikes me it could be interesting…",
"parent_id": null,
"depth": 1,... | 1,760,374,435.973957 | ||
https://hackaday.com/2018/03/22/what-we-need-to-try-in-haptic-hacks/ | What We Need To Try In Haptic Hacks | Steven Dufresne | [
"Virtual Reality"
] | [
"haptic feedback",
"haptics",
"Pneumatics",
"virtual reality",
"VR glove"
] | Looking for ideas for your haptics projects? [Destin] of the Smarter Every Day YouTube channel got a tour from the engineers at HaptX of their
full-featured VR glove with amazing haptic feedback
both with a very fine, 120-point sense of touch, force feedback for each finger, temperature, and motion tracking.
Inflatable... | 9 | 5 | [
{
"comment_id": "4437757",
"author": "Jag",
"timestamp": "2018-03-22T08:58:24",
"content": "Strange to see the censorship (blurring) on the tactor/bladder strip",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4437962",
"author": "RoGeorge",
"t... | 1,760,374,435.916277 | ||
https://hackaday.com/2018/03/21/3d-printed-raspberry-pi-nas-with-dual-drive-bays/ | 3D Printed Raspberry Pi NAS With Dual Drive Bays | Tom Nardi | [
"3d Printer hacks",
"Network Hacks",
"Raspberry Pi"
] | [
"3d printed",
"enclosure",
"nas",
"raspberry pi"
] | While it might not pack the computational punch you’d usually be looking for in a server platform, you can’t beat how cheap the Raspberry Pi is. As such, it’s at the heart of many a home LAN, serving up files as a network attached storage (NAS) device. But the biggest problem with using the Pi in a NAS is that it doesn... | 37 | 15 | [
{
"comment_id": "4436960",
"author": "Ostracus",
"timestamp": "2018-03-22T05:24:57",
"content": "“But the biggest problem with using the Pi in a NAS is that it doesn’t have any onboard hard drive interface, forcing you to use USB. Not only is this much slower, but doesn’t leave you a lot of options ... | 1,760,374,436.226905 | ||
https://hackaday.com/2018/03/21/bring-deep-learning-algorithms-to-your-security-cameras/ | Bring Deep Learning Algorithms To Your Security Cameras | Adam Fabio | [
"computer hacks"
] | [
"darkflow",
"opencv",
"rtsp",
"security camera"
] | AI is quickly revolutionizing the security camera industry. Several manufacturers sell cameras which use deep learning to detect cars, people, and other events. These smart cameras are generally expensive though, compared to their “dumb” counterparts.
[Martin] was able to bring these detection features to a standard ca... | 30 | 10 | [
{
"comment_id": "4436555",
"author": "Gravis",
"timestamp": "2018-03-22T03:18:37",
"content": "I foresee someone using this to protect a bird feeder from squirrels via airsoft turret.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4442310",
"author":... | 1,760,374,436.301947 | ||
https://hackaday.com/2018/03/21/rotary-electric-gun-might-not-put-your-eye-out-kid/ | Rotary Electric Gun Might Not Put Your Eye Out, Kid | Dan Maloney | [
"Weapons Hacks"
] | [
"accelerator",
"compressor",
"kinetic",
"machining",
"rotary",
"scroll"
] | This one is clearly from the “it’s all fun and games until someone loses an eye” file, and it’s a bit of a departure from [Make It Extreme]’s usual focus on building tools for the shop. But what’s the point of having a well-equipped shop if you don’t build cool things, like
this unique homebrew electric gun?
When we he... | 24 | 11 | [
{
"comment_id": "4434395",
"author": "dwywit",
"timestamp": "2018-03-21T11:37:33",
"content": "That was….. satisfying to watch.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4434734",
"author": "Ren",
"timestamp": "2018-03-21T13:56:32",
... | 1,760,374,436.50237 | ||
https://hackaday.com/2018/03/21/hackadays-irish-excursion-is-on-7-april/ | Hackaday’s Irish Excursion Is On 7 April | Mike Szczys | [
"cons",
"Hackaday Columns"
] | [
"DesignSpark",
"Hackaday Dublin Unconference",
"ireland",
"RS Components",
"unconference"
] | Try something a bit out of the ordinary with us on 7 April. Spend a Saturday with
Hackaday in Dublin
without really knowing what to expect. This is the Unconference format, and we’ve fallen in love with the spontaneity and consistently fascinating talks that come out of it.
We’ve booked a fantastic hall in the Temple B... | 7 | 5 | [
{
"comment_id": "4434200",
"author": "Spacedog",
"timestamp": "2018-03-21T10:18:58",
"content": "You guys check outhttp://www.tog.iehackerspoace when in Dublin, They have a real nice spot there.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4434215",
"aut... | 1,760,374,436.558214 | ||
https://hackaday.com/2018/03/21/building-a-static-grass-applicator/ | Building A Static Grass Applicator | Tom Nardi | [
"Tool Hacks"
] | [
"high voltage",
"ion generator",
"model making",
"static grass"
] | A “Static Grass Applicator” is very specialized tool used by model makers to create realistic grass. Don’t feel bad if you didn’t know that, neither did we. Anyway, the idea is that you distribute a fine filament over the surface, and then use static electricity to make the “blades” of grass stand up vertically. This i... | 16 | 7 | [
{
"comment_id": "4433865",
"author": "Tsunamijuan",
"timestamp": "2018-03-21T08:22:49",
"content": "I have been watching lukes videos for a long time. They are very well done, and interesting to those interested in models/model making, and dioramas. hes got a ton of stuff that is extremely photo rea... | 1,760,374,436.665447 | ||
https://hackaday.com/2018/03/20/icoboard-software-defined-radio-platform/ | Icoboard Software Defined Radio Platform | Al Williams | [
"FPGA",
"Radio Hacks",
"Raspberry Pi"
] | [
"ice",
"icoboard",
"lattice",
"lattice ice",
"sdr",
"software-defined radio"
] | The Icoboard is a plug-in for the Raspberry Pi with a Lattice iCE FPGA onboard. Combined with a cheap A/D converter, [OpenTechLab] build
a software-defined radio using all open source tools
. He found some inexpensive converters that cost about $25 and were fast enough (32 MHz) for the purpose at hand. The boards also ... | 8 | 2 | [
{
"comment_id": "4434348",
"author": "2ftg",
"timestamp": "2018-03-21T11:18:23",
"content": "I find it weird that a 32MSPS ADC is used, but in front of it is a TL072 op-amp with unity gain bandwidth of 3MHz as a buffer. Same for the transmit side.But good finds on quite affordable ADC & DAC chips.",... | 1,760,374,436.603356 | ||
https://hackaday.com/2018/03/20/make-a-steam-cleaner-from-a-broken-clothes-iron/ | Make A Steam Cleaner From A Broken Clothes Iron | Richard Baguley | [
"Tool Hacks"
] | [
"steam",
"steam cleaner",
"steam iron"
] | As the old saying goes, when life gives you a broken iron, make a steam cleaner. Or something like that. Anyway, [Claudio] from [Accidental Science] had a clothes iron with a broken head that he decided to
adapt into a steam blower that can be used to clean PCBs, glassware, degreasing parts or cleaning stains off the c... | 2 | 2 | [
{
"comment_id": "4433229",
"author": "Daniel",
"timestamp": "2018-03-21T02:33:01",
"content": "You can make the steam cleaner from hell using a pressure washer and an induction heating coil.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4433271",
"author"... | 1,760,374,436.759002 | ||
https://hackaday.com/2018/03/20/curved-wood-led-lamp-needs-no-fancy-tools/ | Curved Wood LED Lamp Needs No Fancy Tools | Donald Papp | [
"how-to",
"LED Hacks"
] | [
"acrylic",
"art",
"bending acrylic",
"concrete",
"diy",
"hardwood",
"how-to",
"jigsaw",
"lamp",
"led",
"LED Diffuser",
"led strip"
] | Those of us who aren’t familiar with woodworking might not expect that this
curved wood and acrylic LED lamp
by [Marija] isn’t the product of fancy carving, just some thoughtful design and assembly work. The base is a few inches of concrete in a plastic bowl, then sanded and given a clear coat. The wood is four layers ... | 9 | 6 | [
{
"comment_id": "4432809",
"author": "jcwren",
"timestamp": "2018-03-20T23:05:52",
"content": "Saw cutting acrylic is trivial when you use the proper blade.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4433277",
"author": "Wink Knudge",
"ti... | 1,760,374,436.712155 | ||
https://hackaday.com/2018/03/20/mystery-nixie-clock-from-2001-a-space-odyssey-and-pulsar/ | Mystery Nixie Clock From 2001: A Space Odyssey, And Pulsar | Steven Dufresne | [
"clock hacks"
] | [
"2001: A Space Odyssey",
"nixie clock",
"nixie tube"
] | Every now and then something old comes along which we’re surprised has never been on Hackaday. That’s especially the case here since it includes nixie tubes and is a clock, two things beloved here by many. Then again, it’s not a hack, but it just should be (hint hint).
Pulsar mystery clock
2001: A Space Odyssey clock
T... | 27 | 12 | [
{
"comment_id": "4432394",
"author": "Bill",
"timestamp": "2018-03-20T20:08:05",
"content": "Those aren’t nixies in the Pulsar clock. I’m guessing they’re incandescent (Numitron) or maybe Panaplex (segmented cousin to a nixie). They don’t look quite right for LEDs, unless it’s newer than I think it ... | 1,760,374,436.832681 | ||
https://hackaday.com/2018/03/20/repurposing-inkjet-technology-for-3d-printing/ | Repurposing Inkjet Technology For 3D Printing | Brian Benchoff | [
"3d Printer hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d printer",
"HP45",
"inkjet",
"inkjet printer"
] | You would be forgiven for thinking that 3D printing is only about plastic filament and UV-curing resin. In fact, there are dozens of technologies that can be used to create 3D printed parts, ranging from welders mounted to CNC machines to the very careful application of inkjet cartridges. For this year’s Hackaday Prize... | 41 | 20 | [
{
"comment_id": "4431604",
"author": "Ren",
"timestamp": "2018-03-20T18:41:48",
"content": "How about the bed of powder being cement?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4431657",
"author": "Lion XL",
"timestamp": "2018-03-20T18:50:36",
... | 1,760,374,436.918936 | ||
https://hackaday.com/2018/03/20/sophie-germain-the-mathematics-of-elasticity/ | Sophie Germain: The Mathematics Of Elasticity | Richard Baguley | [
"Biography",
"Hackaday Columns",
"History",
"Original Art"
] | [
"biography",
"math",
"mathematicians",
"profiles in science",
"scientist",
"Sophie Germain",
"women"
] | When a 13-year old Marie-Sophie Germain was stuck in the house because of the chaotic revolution on the streets of Paris in 1789, she found a refuge for her active mind: her father’s mathematics books. These inspired her to embark on pioneering a new branch of mathematics that focussed on modeling the real world: appli... | 25 | 10 | [
{
"comment_id": "4431173",
"author": "Ostracus",
"timestamp": "2018-03-20T17:13:39",
"content": "“She taught herself higher maths from her father’s books, eventually persuading her parents to support her unusual career choice and getting her a tutor.”Certainly a harder way to learn. With tutor is be... | 1,760,374,437.023824 | ||
https://hackaday.com/2018/03/20/nes-controller-slider-based-light-theremin/ | NES Controller Slider-Based Light Theremin | Kristina Panos | [
"LED Hacks",
"Musical Hacks"
] | [
"555",
"astable multivibrator",
"CdS",
"chiptunes",
"nes controller",
"photocell",
"squiggly resistor",
"theremin"
] | Having never use a 555 before, [lonesoulsurfer] decided that
his first foray into the world’s most popular and versatile IC would be to use a 555 to make beautiful chiptunes
. For that, we commend him. He found
[Dean Segovis]’ Slidersynth light-based Theremin
and got to work building his own version it and stuffing it ... | 1 | 1 | [
{
"comment_id": "4432129",
"author": "bufferscotch",
"timestamp": "2018-03-20T19:47:20",
"content": "I miss Dean and his offerings. He is a great teacher. Congrats on dipping the toe in the water,lonesoulsurfer!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,436.954491 | ||
https://hackaday.com/2018/03/20/uber-has-an-autonomous-fatality/ | Uber Has An Autonomous Fatality | Al Williams | [
"Current Events",
"Featured",
"News"
] | [
"autonomous car",
"autonomous cars",
"autonomous vehicle",
"self-driving car",
"trolley",
"uber"
] | You have doubtlessly heard the news.
A robotic Uber car in Arizona
struck and killed [Elaine Herzberg] as she crossed the street. Details are sketchy, but preliminary reports indicate that the accident was unavoidable as the woman crossed the street suddenly from the shadows at night.
If and when more technical details... | 266 | 45 | [
{
"comment_id": "4430711",
"author": "CRJEEA",
"timestamp": "2018-03-20T14:13:40",
"content": "Guess the process of driving was successfully emulated.Who do you claim from. Do software developers now need car insurance. Maybe it’s the hardware designers at fault.I say put it down to Darwinism.",
... | 1,760,374,437.776818 | ||
https://hackaday.com/2018/03/20/3d-printing-and-modelling-with-a-robot-assistant/ | 3D Printing And Modelling With A Robot Assistant | Steven Dufresne | [
"3d Printer hacks"
] | [
"3d printer",
"3D printing robot",
"wireframe"
] | [Huaishu Peng] and a group of other researchers have come up with a system that allows them to use virtual reality (VR) to model an object in a space in front of them while a robot simultaneously 3D prints that object in that same space, a truly collaborative effort they call the
RoMA: Robotic Modelling Assistant
. Thi... | 12 | 6 | [
{
"comment_id": "4430466",
"author": "Jon H",
"timestamp": "2018-03-20T12:27:04",
"content": "So it’s a 3D pen wielded by a robot, plus AR.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4430538",
"author": "Internet",
"timestamp": "2018-03-2... | 1,760,374,437.881442 | ||
https://hackaday.com/2018/03/20/test-ideas-now-with-sensors-already-in-your-pocket/ | Test Ideas Now With Sensors Already In Your Pocket | Roger Cheng | [
"Android Hacks",
"iphone hacks",
"Phone Hacks"
] | [
"accelerometer",
"compass",
"light sensing",
"light sensor",
"magnetometer",
"microphone",
"smartphone",
"smartphones",
"tilt sensor"
] | When project inspiration strikes, we’d love to do some quick tests immediately to investigate feasibility. Sadly we’re usually far from our workbench and its collection of sensor modules. This is especially frustrating when the desired sensor is in the smartphone we’re holding, standing near whatever triggered the insp... | 15 | 6 | [
{
"comment_id": "4430196",
"author": "Zalan Meggyesi",
"timestamp": "2018-03-20T09:22:26",
"content": "There used to be a little app called Tricorder, styled after the Star Trek instrument that also offered access to a lot of sensors (grav, magnetometric, acoustic (decibels and spectral plot), EMF (... | 1,760,374,437.827925 | ||
https://hackaday.com/2018/03/19/parts-bin-spooky-eye-build/ | Parts Bin Spooky Eye Build | Lewin Day | [
"Holiday Hacks"
] | [
"arduino",
"eyes",
"halloween",
"led"
] | Halloween is a great holiday for hacks, bringing out the creativity in even the most curmudgeonly wielder of a soldering iron. [tdragger] was looking to have some good old fashioned Halloween fun, and got to thinking –
putting together this great Spooky Eyes build in their attic window.
The effect itself is simple – ju... | 13 | 8 | [
{
"comment_id": "4429997",
"author": "Scoldog",
"timestamp": "2018-03-20T05:36:38",
"content": "Looks like some sort of lighthouse rather than a set of eyes.Would be a lot better if they painted that framework black.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id... | 1,760,374,437.337715 | ||
https://hackaday.com/2018/03/21/look-upon-eyepot-and-weep-for-mercy/ | Look Upon Eyepot, And Weep For Mercy | Tom Nardi | [
"Arduino Hacks",
"Raspberry Pi",
"Robots Hacks"
] | [
"3d printed",
"arduino pro mini",
"openscad",
"Pi Zero W",
"robotics"
] | Hope you weren’t looking forward to a night of sleep untroubled by nightmares. Doing his part to make sure Lovecraftian mechanized horrors have lease in your subconscious, [Paul-Louis Ageneau] has recently unleashed the horror that is Eyepot upon an unsuspecting world. This
Cycloptic four legged robotic teapot
takes in... | 14 | 7 | [
{
"comment_id": "4435949",
"author": "deshipu",
"timestamp": "2018-03-21T23:46:35",
"content": "That is a very famous teapot design, by the way.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4435962",
"author": "Clara",
"timestamp": "2018-03... | 1,760,374,438.003447 | ||
https://hackaday.com/2018/03/21/neon-lamps-make-for-the-coolest-of-nixie-clocks/ | Neon Lamps Make For The Coolest Of Nixie Clocks | Inderpreet Singh | [
"classic hacks",
"clock hacks"
] | [
"clock",
"lamp",
"neon",
"nixie"
] | Revisiting old projects is always fun and this
Nixie Clock by [pa3fwm]
is just a classic. Instead of using transistors or microcontrollers, it uses neon lamps to clock and drive the Nixie Displays. The neon lamps themselves are the logic elements. Seriously, this masterpiece just oozes geekiness.
Inspired by the book “... | 11 | 4 | [
{
"comment_id": "4435537",
"author": "jcwren",
"timestamp": "2018-03-21T20:04:35",
"content": "I wonder if the usage of a small amount of radioactive material (maybe Americium from a smoke detector) would fix the “doesn’t work in the dark” issue.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,374,437.935319 | ||
https://hackaday.com/2018/03/21/everyone-needs-a-personal-supercomputer/ | Everyone Needs A Personal Supercomputer | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"blinkenlights",
"Pine64",
"supercomputer"
] | When you think of supercomputers, visions of big boxes and blinkenlights filling server rooms immediately appear. Since the 90s or thereabouts, these supercomputers have been clusters of computers, all working together on a single problem. For the last twenty years, people have been building their own ‘supercomputers’ ... | 61 | 15 | [
{
"comment_id": "4435371",
"author": "Bubul",
"timestamp": "2018-03-21T18:39:51",
"content": "For the last time: If it doesn’t make any of the usual lists (Top500, HPCG etc.), it doesn’t even qualify for the term “supercomputer”. “Supercomputer” is a well-defined term, just stop abusing it. This is ... | 1,760,374,438.117399 |
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