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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2018/12/21/a-star-trek-inspired-robot-with-raspberry-pi-and-ai/ | A Star-Trek-Inspired Robot With Raspberry Pi And AI | Al Williams | [
"Raspberry Pi",
"Robots Hacks"
] | [
"arduino",
"exocomp",
"raspberry pi",
"robot",
"star trek",
"tensorflow"
] | When [314Reactor] got a robot car kit, he knew he wanted to add some extra things to it. At about the same time he was watching a Star Trek episode that featured exocomps — robots that worked in dangerous areas. He decided to use those fictional devices to inspire his
modifications to the car kit
. Granted, the fiction... | 1 | 1 | [
{
"comment_id": "5654699",
"author": "David",
"timestamp": "2018-12-26T19:33:02",
"content": "Exocomps are alive!!, GIVE THEM THE CHOICE TO SERVE!… lol",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,103.288003 | ||
https://hackaday.com/2018/12/21/now-were-everywhere-grab-our-podcast-for-your-holiday-commute/ | Now We’re Everywhere: Grab Our Podcast For Your Holiday Commute | Mike Szczys | [
"Interviews"
] | [
"Hackaday Podcast",
"Year in Review"
] | Before you hit the road this weekend, grab the Hackaday Year in Review Podcast to keep you company during your journey.
Google Play
iTunes
Soundcloud
Spotify
Stitcher
Direct Download
(64 mb, mp3)
We released this on Tuesday and mentioned that the podcast was available on all major podcasting platforms. But turns out yo... | 2 | 1 | [
{
"comment_id": "5624687",
"author": "GhstWlf",
"timestamp": "2018-12-21T17:06:35",
"content": "RSS?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5625069",
"author": "Elliot Williams",
"timestamp": "2018-12-21T18:43:19",
"content": ... | 1,760,374,103.57178 | ||
https://hackaday.com/2018/12/23/microcontroller-and-imu-team-up-for-simple-flight-sim-controls/ | Microcontroller And IMU Team Up For Simple Flight Sim Controls | Dan Maloney | [
"google hacks",
"Microcontrollers"
] | [
"flight simulator",
"google earth",
"IMU",
"pic32",
"pitch",
"pyserial",
"python",
"Roll",
"yaw"
] | Classes are over at Cornell, and that means one thing: the students in [Bruce Land]’s microcontroller design course have submitted their final projects, many of which, like
this flight control system for Google Earth’s flight simulator
, find their way to the Hackaday tips line.
We actually got this tip several days ag... | 3 | 2 | [
{
"comment_id": "5635106",
"author": "JacksonRoyKirk",
"timestamp": "2018-12-23T21:58:44",
"content": "Impressive.She has a great future ahead for her.Q’aPla !",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5635808",
"author": "QaH",
"timesta... | 1,760,374,103.328951 | ||
https://hackaday.com/2018/12/23/a-perfectly-orderly-way-to-manage-your-time/ | A Perfectly Orderly Way To Manage Your Time | Tom Nardi | [
"contests",
"LED Hacks",
"Microcontrollers"
] | [
"atmega328",
"Circuit Sculpture",
"led",
"LED display",
"rtc",
"timer"
] | [Paul Gallagher] has spent years separating his tasks into carefully measured out blocks, a method of time management known as the Pomodoro Technique. If that’s not enough proof that he’s considerably more organized and structured than the average hacker, you only need to
take a look at this gorgeous Pomodoro Timer he’... | 16 | 5 | [
{
"comment_id": "5634108",
"author": "Doc Oct",
"timestamp": "2018-12-23T16:56:18",
"content": "I hope it looks better in real life, because it looks hard to read in the video. Maybe something should be added to help stop some of the light bleed between segments?",
"parent_id": null,
"depth"... | 1,760,374,103.628409 | ||
https://hackaday.com/2018/12/23/epoxy-too-thin-use-wood-flour-as-a-thixotropic-filler/ | Epoxy Too Thin? Use Wood Flour As A Thixotropic Filler | Donald Papp | [
"chemistry hacks",
"LED Hacks"
] | [
"3d printed",
"epoxy",
"filler",
"glue",
"led",
"snowflake",
"thixotropic",
"two part"
] | The world of glues is wide and varied, and it pays to use the right glue for the job. When [Eric] needed to stick a wide and flat 3D printed mount onto the back of a PCB that had been weatherproofed with an uneven epoxy coating, he needed a gap-filling adhesive that would bond to both surfaces. It seemed like a job for... | 27 | 14 | [
{
"comment_id": "5633784",
"author": "Benik3",
"timestamp": "2018-12-23T12:23:39",
"content": "We used wood flour with kanagon glue when I built balsa air planes when I was small and I needed to fill some gap :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5... | 1,760,374,103.79442 | ||
https://hackaday.com/2018/12/23/nintendo-does-sony-better-than-sony/ | Nintendo Does Sony, Better Than Sony | Jenny List | [
"Nintendo Hacks",
"Playstation Hacks",
"Slider"
] | [
"Playstation classic",
"psone",
"psx",
"super nintendo classic"
] | Fans of game consoles from the golden era of TV game appliances have been in for a treat over the past couple of years as a slew of official reboots of the stars of the past have reached the market. These so-called “classic” consoles closely follow the styling of the originals, but under the hood they pack modern hardw... | 23 | 11 | [
{
"comment_id": "5633457",
"author": "JWhitten",
"timestamp": "2018-12-23T09:07:59",
"content": "I’m guessing that the Nintendo version isn’t slowed-down by a root kit.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5633507",
"author": "Gregg Eshelman",
... | 1,760,374,103.902591 | ||
https://hackaday.com/2018/12/22/sanding-seashells-by-the-seashore/ | Sanding Seashells By The Seashore | Brian McEvoy | [
"3d Printer hacks"
] | [
"3d print",
"enclosure",
"finishing",
"nautilus",
"quality",
"shell",
"speakers"
] | We all maintain this balancing act between the cool things we want, the money we can spend, and our free time. When the pièce de résistance is a couple of orders of magnitude out of our budget, the only question is, “Do I want to spend the time to build my own?” [Nick Charlton] clearly answered “Yes,” and documented th... | 5 | 3 | [
{
"comment_id": "5633377",
"author": "Cauwelier Chris",
"timestamp": "2018-12-23T08:09:15",
"content": "“The sound or acoustic modeling is not what we want to focus on since the original looks like something out of a sci-fi parody”Actualy, Horn speakers are very good. It’s all in the accoustics, a s... | 1,760,374,103.445184 | ||
https://hackaday.com/2018/12/22/old-game-development-ide-goes-fpga/ | Old Game Development IDE Goes FPGA | Al Williams | [
"FPGA"
] | [
"fpga",
"ide",
"verilog"
] | If you have a thing for old game development — things like the Atari 2600 or similar period arcade games — you might already know about the
8bitworkshop
IDE. There you can develop code in your browser for those platforms. In a recent blog post, the site announced you can now also do
FPGA development in the IDE
.
Accord... | 3 | 2 | [
{
"comment_id": "5643008",
"author": "ytrewq",
"timestamp": "2018-12-25T02:46:34",
"content": "Very nice, but cloud based, so thanks but no thanks.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5655358",
"author": "Adrian",
"timestamp": "201... | 1,760,374,103.532543 | ||
https://hackaday.com/2018/12/22/refurbishing-a-classic-electrostatic-speaker-psu/ | Refurbishing A Classic Electrostatic Speaker PSU | Jenny List | [
"home entertainment hacks"
] | [
"electrostatic",
"electrostatic loudspeaker",
"quad",
"speaker"
] | Sometimes a project takes longer than it should to land in the Hackaday in-tray, but when we read about it there’s such gold to be found that it’s worth sharing with you our readers despite its slight lack of freshness. So it is with [Andrew Back]’s
refurbishment of his Quad electrostatic speaker system power supply,
i... | 8 | 2 | [
{
"comment_id": "5632246",
"author": "Luke",
"timestamp": "2018-12-22T23:18:37",
"content": "The impedance matching transformer is probably just as important for the sound quality as the actual speaker. Just any old transformer won’t have a flat frequency response from 20 to 20 kHz especially when i... | 1,760,374,103.84395 | ||
https://hackaday.com/2018/12/22/get-your-tweets-without-looking/ | Get Your Tweets Without Looking | Brian McEvoy | [
"handhelds hacks",
"Wearable Hacks"
] | [
"assistance",
"blind",
"feedback",
"forearm",
"haptic",
"hid",
"interface",
"sensory",
"ulnar",
"wearable",
"wrist"
] | Head-mounted displays range from cumbersome to glass-hole-ish. Smart watches have their niche, but they still take your eyes away from whatever you are doing, like driving. Voice assistants can read to you, but they require a speaker that everyone else in the car has to listen to, or a headset that blocks out important... | 5 | 4 | [
{
"comment_id": "5631198",
"author": "John Jorsett",
"timestamp": "2018-12-22T19:15:29",
"content": "I think maybe you mean ‘phoneme’.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5631691",
"author": "Brian McEvoy",
"timestamp": "2018-12-22... | 1,760,374,103.490153 | ||
https://hackaday.com/2018/12/22/clever-wedges-that-will-increase-your-pcb-assembly-yield/ | Clever Wedges That Will Increase Your PCB Assembly Yield | Brian Benchoff | [
"Software Hacks",
"Tool Hacks"
] | [
"assembly",
"it's a hack",
"solderpaste"
] | If there’s one thing that will bring down the yield of your PCB assembly, it’s your solder paste. Put too much on, and you’ll get bridged leads. If you don’t put enough on, that pad might not make good contact. [ScalarElectric] has an amazing trick that’s sure to astonish and astound.
Just use wedges
and you’ll get bet... | 22 | 7 | [
{
"comment_id": "5630328",
"author": "jacobchrist",
"timestamp": "2018-12-22T15:28:36",
"content": "Wow, great idea.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5630424",
"author": "ESCrow",
"timestamp": "2018-12-22T15:51:26",
"content": "Lol, i... | 1,760,374,103.962911 | ||
https://hackaday.com/2018/12/22/experiment-with-lumia-the-cheap-and-easy-way/ | Experiment With Lumia, The Cheap And Easy Way | Lewin Day | [
"Laser Hacks"
] | [
"laser",
"laser projector",
"lighting",
"lighting effect",
"lumia"
] | Light is a wonderful medium for art, and there’s all manner of ways to approach it. We’ve always been huge fans of all that blinks and glows, but there’s a whole wide world of other methods and techniques in the lighting arena. Lumia is one that does not always get a lot of mainstream attention, and so
[Adam Raugh] has... | 12 | 7 | [
{
"comment_id": "5629872",
"author": "adam raugh",
"timestamp": "2018-12-22T13:33:34",
"content": "Thank you for posting this!! It’s such an unusual kind of light to see and I appreciate the opportunity to share it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,374,104.012714 | ||
https://hackaday.com/2018/12/22/game-boy-camera-now-in-color/ | Game Boy Camera – Now In Color | Lewin Day | [
"Nintendo Hacks"
] | [
"game boy",
"game boy camera",
"nintendo",
"photography"
] | The Game Boy Camera is a legendary piece of 90s gaming hardware, despite not being a game at all. It consisted of a low-resolution greyscale camera, fitted to a Game Boy cartridge, that you could use to photograph your friends, vandalise their pictures, then print them out on a thermal printer. It’s hardware that was f... | 15 | 7 | [
{
"comment_id": "5628750",
"author": "MarkF",
"timestamp": "2018-12-22T09:21:14",
"content": "Fun hack, but the quality could be way better. For one thing, it doesn’t seem to be using the “HiColor” hack that us professional GBC programmers were all using back in the day.",
"parent_id": null,
... | 1,760,374,104.06635 | ||
https://hackaday.com/2018/12/21/fpga-emulates-a-pdp-1-breathes-new-life-into-classic-video-game/ | FPGA Emulates A PDP-1, Breathes New Life Into Classic Video Game | Dan Maloney | [
"FPGA",
"Retrocomputing"
] | [
"emulation",
"fpga",
"MiSTER",
"PDP-1",
"phosphor",
"pong",
"spacewar",
"Terasic DE10-Nano",
"verilog"
] | If you’ve ever wanted to sit at the console of the machine that started the revolution in interactive computing, your options are extremely limited. Of the 53 PDP-1 machines that Digital Equipment Corporation made, only three are known to still exist, and just one machine is still in working order at the Computer Histo... | 17 | 7 | [
{
"comment_id": "5628113",
"author": "Matt",
"timestamp": "2018-12-22T06:44:36",
"content": "This is cool stuff and I hope we see more FPGA based implementations of classic hardware.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5821295",
"author": ... | 1,760,374,104.171231 | ||
https://hackaday.com/2018/12/21/explaining-fourier-again/ | Explaining Fourier Again | Al Williams | [
"Misc Hacks"
] | [
"Fourier",
"fourier series",
"fourier transform",
"mathmatica"
] | One of the nice things about living in the Internet age is that creating amazing simulations and animations is relatively simple today. [SmarterEveryDay] recently did a video that shows this off, discussing a
blog post
(which was in Turkish) to show how sine waves can add together to create arbitrary waveforms. You can... | 28 | 5 | [
{
"comment_id": "5627603",
"author": "BrightBlueJim",
"timestamp": "2018-12-22T04:37:55",
"content": "Okay, so Destin gives two examples of curved shapes (functions) that are deconstructed (analyzed) into sine waves – the one that was given to him as an exercise, and the one he gives to Doga, and in... | 1,760,374,104.2363 | ||
https://hackaday.com/2018/12/21/giving-an-old-mac-spotify/ | Giving An Old Mac Spotify | Brian Benchoff | [
"classic hacks",
"Mac Hacks"
] | [
"ethernet",
"SE/30",
"spotify",
"wifi"
] | The Macintosh SE/30 is the greatest computer ever made, and I’m not saying that just because I’m sitting on a cache of them, slowly selling them to computer collectors around the world. No, the SE/30 is so great because of how powerful it is, and how much it can be expanded. A case in point:
here’s an SE/30 that’s a Sp... | 15 | 11 | [
{
"comment_id": "5626510",
"author": "RandyKC",
"timestamp": "2018-12-22T00:49:19",
"content": "I had a Jones for the SE/30 when it first came out. But unlike some I got over it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5632333",
"author": "t",... | 1,760,374,104.409703 | ||
https://hackaday.com/2018/12/20/incredibly-heavy-ornament-likely-inappropriate-to-hang-on-tree/ | Incredibly Heavy Ornament Likely Inappropriate To Hang On Tree | Lewin Day | [
"Holiday Hacks"
] | [
"christmas",
"holiday hacks",
"ornament",
"oscilloscope",
"scope",
"Teensy",
"Teensy 3.5",
"tektronix"
] | It’s that time of year again, and the Christmas hacks are flooding in thick and fast. To get into the Christmas spirit, the FoxGuard team wanted a custom ornament to hang from the tree.
They may have gotten more than they bargained for.
It’s a simple build that demonstrates the basic techniques of working with DACs an... | 6 | 6 | [
{
"comment_id": "5620187",
"author": "Ostracus",
"timestamp": "2018-12-20T17:53:38",
"content": "“It’s a bit of fun, but we highly recommend you don’t try and hang an analog scope off your tree at home.”https://m.eet.com/media/1200832/PocketDSO_Fig02_Key-Scope100.jpg",
"parent_id": null,
"de... | 1,760,374,104.450755 | ||
https://hackaday.com/2018/12/20/rise-of-the-unionized-robots/ | Rise Of The Unionized Robots | Steven Dufresne | [
"Featured",
"Robots Hacks",
"Slider"
] | [
"artificial consciousness",
"artificial intelligence",
"boston dynamics",
"homunculus",
"pepper",
"Sophia"
] | For the first time,
a robot has been unionized
. This shouldn’t be too surprising as a European Union resolution has already recommended creating a legal status for robots for purposes of liability and a robot has already been made a citizen of one country. Naturally, these have been done either to stimulate discussion... | 101 | 27 | [
{
"comment_id": "5619846",
"author": "Luke",
"timestamp": "2018-12-20T15:09:32",
"content": "“What if the robot were self-aware and had an inner monologue? Would the compassion begin to be justified then?”Not really. Even humans don’t have this universal compassion to other humans – we may arbitrari... | 1,760,374,104.737901 | ||
https://hackaday.com/2018/12/20/london-gatwick-airport-shuts-its-doors-due-to-drone-sighting/ | London Gatwick Airport Shuts Its Doors Due To Drone Sighting | Jenny List | [
"drone hacks",
"News"
] | [
"drone",
"drone law",
"drone laws",
"multirotor"
] | If you could pick a news story you would prefer not to be woken with, it’s likely that a major airport being closed due to a drone sighting would be high on the list. But that’s the news this morning:
London’s Gatwick airport has spent most of the night and into the morning closed due to repeated sightings
. Police are... | 178 | 31 | [
{
"comment_id": "5619447",
"author": "Lee",
"timestamp": "2018-12-20T12:28:19",
"content": "This is a bloody disgrace. Regardless of who did it or why they did it, a drone should not have been allowed to bring the whole of Gatwick to a standstill.The CPNI should have been working with Gatwick and ot... | 1,760,374,105.114734 | ||
https://hackaday.com/2018/12/20/organic-ornithopter-sensor-drone/ | Organic Ornithopter Sensor Drone | Brian McEvoy | [
"Radio Hacks"
] | [
"bees",
"bumblebees",
"communication",
"drone",
"flying",
"hover",
"sensor array",
"sensors",
"wireless"
] | Bees. The punchline to the title is
bees carrying sensors
like little baby bee backpacks. We would run out of fingers counting the robots which emulate naturally evolved creatures, but we believe there is a lot of merit to pirating natural designs, but researchers at the University of Washington cut out the middle-man ... | 16 | 4 | [
{
"comment_id": "5618312",
"author": "Oliver",
"timestamp": "2018-12-20T09:45:30",
"content": "I always feel like these sort of projects are a little to invasive on the insects in question, im not a ‘tree hugger’ by any means but to me it seems a bit disrespectful and downright stupid to start using... | 1,760,374,104.504668 | ||
https://hackaday.com/2018/12/19/power-wheels-gets-real-with-real-wheels/ | Power Wheels Gets Real With Real Wheels | Tom Nardi | [
"Toy Hacks",
"Transportation Hacks"
] | [
"axle",
"bushing",
"gearbox",
"Power Wheels",
"traction"
] | We’re no stranger to Power Wheels modifications, from relatively simple restorations to complete rebuilds which retain little more than the original plastic body. These plastic vehicles have the benefit of nostalgia to keep the adults interested, and naturally kids will never get tired of their own little car or truck ... | 10 | 5 | [
{
"comment_id": "5617960",
"author": "Gregg Eshelman",
"timestamp": "2018-12-20T08:44:47",
"content": "What might be adaptable for front drive on a 4×4 power wheels is flexible shafts from power seat motors. Perhaps with two motors so the wheels can rotate at different speeds in turns. Could also us... | 1,760,374,104.594681 | ||
https://hackaday.com/2018/12/19/using-ftdi-chips-with-python/ | Using FTDI Chips With Python | Lewin Day | [
"classic hacks"
] | [
"code",
"ftdi",
"python",
"usb"
] | FTDI are a company known for producing chips for USB applications. Most of us have a few USB-to serial adapters kicking about, and the vast majority of them run on FTDI hardware (or, if we’re honest, counterfeit copies). However, FTDI’s hardware has a whole lot more to offer, and
[jayben] is here to show us all how to ... | 38 | 10 | [
{
"comment_id": "5616927",
"author": "drwho8 (@drwho8)",
"timestamp": "2018-12-20T03:55:20",
"content": "Well it is a start.Now I have two boards to buzz Adafruit about. One shown there and one other.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5616990",
... | 1,760,374,104.814821 | ||
https://hackaday.com/2018/12/19/lighting-up-the-night-sky-with-a-flying-pov-display/ | Lighting Up The Night Sky With A Flying POV Display | Dan Maloney | [
"drone hacks",
"LED Hacks"
] | [
"aerial",
"display",
"neopixel",
"POV",
"quadcopter",
"raster",
"ws2812"
] | We’ve seen loads of persistence of vision displays before, but
this sky-writing POV display
seems as though it may be a first. And we have to agree with its creators that it’s pretty cool.
The idea man on this was [Ivan Miranda], who conceived of a flying POV as a twist on his
robotic dot-matrix beach printer
. But wit... | 14 | 7 | [
{
"comment_id": "5615141",
"author": "Paul LeBlanc",
"timestamp": "2018-12-20T00:07:06",
"content": "“We’re not sure what the practical uses of this are…”Cue the advertising agencies….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5615611",
"author"... | 1,760,374,105.180379 | ||
https://hackaday.com/2018/12/21/neural-network-knows-when-cat-wants-to-go-outside/ | Neural Network Knows When Cat Wants To Go Outside | Lewin Day | [
"home hacks"
] | [
"neural network",
"neural networks",
"raspberry pi",
"tensor flow",
"tensorflow"
] | Neural networks are computer systems that are vaguely inspired by the construction of animal brains, and much like human brains, can be trained to obey the whims of the almighty domestic cat.
[EdjeElectronics] has built just such a system, and his cat is better off for it.
The build uses a Raspberry Pi, fitted with the... | 38 | 13 | [
{
"comment_id": "5622998",
"author": "elem",
"timestamp": "2018-12-21T10:25:09",
"content": "If I would let our cat out/in every time it “wants” to, I’d be opening the door 50 times a day. Minimum.To make things worse it has it’s own neuronal net trained on being really annoying when it wants out.Tr... | 1,760,374,105.254713 | ||
https://hackaday.com/2018/12/20/vintage-ibm-1403-printer-problem-evades-an-easy-fix/ | Vintage IBM 1403 Printer Problem Evades An Easy Fix | Donald Papp | [
"Repair Hacks",
"Retrocomputing"
] | [
"1401",
"1403",
"ibm",
"mainframe",
"printer",
"repair",
"troubleshooting",
"vintage"
] | The Computer History Museum in Mountain View has two operational IBM 1401 mainframes, which use IBM 1403 high-speed printers. They aren’t some decades-old notion of “high speed” that barely looks sluggish today, either. These monsters slam out ten lines per second thanks to a rotating chain of type slugs and an array o... | 15 | 6 | [
{
"comment_id": "5622306",
"author": "RÖB",
"timestamp": "2018-12-21T07:05:50",
"content": "We used to call these column printer so as not to confuse them with line matrix printers.Line matrix printers were about 35dB louder lol and about 5 to 10 times the speed. The speed is hard to imagine given t... | 1,760,374,105.312191 | ||
https://hackaday.com/2018/12/20/db-abbreviated-microcontroller-debugging/ | “DB” = Abbreviated Microcontroller Debugging | Drew Risinger | [
"Arduino Hacks",
"Microcontrollers"
] | [
"BigBug",
"code",
"debug",
"debugger",
"debugging",
"log",
"logger",
"logging",
"MCU",
"microcontroller",
"serial",
"serial interface",
"uart"
] | We’ve all been there. When debugging a microcontroller project, we just want to put in a
print
statement to figure out what’s going on with the microcontroller in real time. However, advanced embedded programmers know that
printf
statements are
verboten:
they’re just too SLOW. While not fixing this plight entirely, [At... | 19 | 12 | [
{
"comment_id": "5621741",
"author": "Lander7",
"timestamp": "2018-12-21T03:29:47",
"content": "Good information!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5621901",
"author": "Rodney McKay",
"timestamp": "2018-12-21T04:18:10",
"content": "HaD... | 1,760,374,105.375902 | ||
https://hackaday.com/2018/12/20/a-scratch-instrument-for-ants/ | A Scratch Instrument For Ants | Bryan Cockfield | [
"Musical Hacks"
] | [
"arm",
"beats",
"dj",
"instrument",
"microcontroller",
"mini",
"music",
"portable",
"scratch",
"turntable",
"usb"
] | If you think that
this scratch instrument
looks as though it should be at least… three times larger in order to be useful, you’d be wrong. This mighty pocket-sized instrument can really get the club hopping despite its diminuitive size. Despite that, the quality of the build as well as its use of off-the-shelf componen... | 2 | 2 | [
{
"comment_id": "5621166",
"author": "Padrote",
"timestamp": "2018-12-21T00:10:24",
"content": "I can read and write good…would be nice to know how to scratch good too!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5622015",
"author": "Dion",
"timesta... | 1,760,374,105.414868 | ||
https://hackaday.com/2018/12/20/behold-the-wt-220-a-clever-vt-220-terminal/ | Behold The WT-220: A ‘Clever’ VT-220 Terminal | Donald Papp | [
"computer hacks",
"Peripherals Hacks",
"Raspberry Pi"
] | [
"acrylic",
"laser cut",
"Laser cutting",
"plywood",
"raspberry pi",
"rs232",
"serial",
"terminal",
"ttl",
"VT-220",
"whitterm-220",
"WT-220"
] | [John Whittington] failed to win a bid for an old VT-220 serial terminal on eBay, so he decided to make his own version and improve it along the way.
The result is the Whitterm-220
(or WT-220) which has at its core a Raspberry Pi and is therefore capable of more than just acting as a ‘dumb’ serial terminal.
Rear of the... | 27 | 13 | [
{
"comment_id": "5620683",
"author": "Pez",
"timestamp": "2018-12-20T21:05:08",
"content": "Neat .. would love to aee a vt-240!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5620760",
"author": "Ren",
"timestamp": "2018-12-20T21:37:12",
"content":... | 1,760,374,105.638218 | ||
https://hackaday.com/2018/12/20/woodworker-goes-from-3d-printing-skeptic-to-believer/ | Woodworker Goes From 3D-Printing Skeptic To Believer | Dan Maloney | [
"3d Printer hacks",
"Tool Hacks"
] | [
"clamps",
"dust collection",
"tools",
"wood",
"woodshop",
"woodworking"
] | If there’s one place where the old ways of doing things live a longer life than you’d otherwise expect, it’s the woodshop. Woodworkers have a way of stubbornly sticking to tradition, and that usually works out fine. But what does it take to change a woodworker’s mind about a tool that seems to have little role in the w... | 30 | 10 | [
{
"comment_id": "5620451",
"author": "jcwren",
"timestamp": "2018-12-20T19:37:18",
"content": "Srsly? Commercial clamps for spiral vacuum hoses have been around for ages (like these:https://www.ptreeusa.com/dust_hose_clamps.html)I like his 3D printed versions, but to say “standard band clamps don’t... | 1,760,374,105.479231 | ||
https://hackaday.com/2018/12/20/kitty-yeung-on-tech-fashion-designs-and-the-wearables-industry/ | Kitty Yeung On Tech-Fashion Designs And The Wearables Industry | Jenny List | [
"cons",
"Hackaday Columns",
"Wearable Hacks"
] | [
"2018 Hackaday Superconference",
"clothing",
"Kitty Yeung",
"textiles",
"Wearables"
] | If there is a field which has promise verging on a true breakout, it is that of wearable electronics. We regularly see 3D printing, retrocomputing, robotics, lasers, and electric vehicle projects whose advances are immediately obvious. These are all exciting fields in which the Hackaday community continually push the b... | 9 | 5 | [
{
"comment_id": "5620564",
"author": "J",
"timestamp": "2018-12-20T20:21:28",
"content": "Might be nice to crop the image in such a way that the photo thumbnail actually shows her face ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5622966",
"auth... | 1,760,374,105.525966 | ||
https://hackaday.com/2018/12/18/a-symbiotic-partnership-between-fpga-and-6502/ | A Symbiotic Partnership Between FPGA And 6502 | Lewin Day | [
"FPGA"
] | [
"6502",
"fpga",
"microprocessor"
] | [Kenneth Wilke] is undertaking a noble quest – to build a homebrew microcomputer, based around the venerable 6502. As a prelude to this,
he set out to interface the hallowed CPU to an FPGA, and shared the process involved
.
[Kenneth] is using an Arty A7 FPGA development board which is a great fit for purpose, having pl... | 9 | 4 | [
{
"comment_id": "5611077",
"author": "fosselius",
"timestamp": "2018-12-19T06:17:34",
"content": "“as many industrial strength FPGAs require software licences to use which can easily stretch into the tens of thousands of dollars.”This is not my experiance from Actel/mictrosemi intel/altiera and xili... | 1,760,374,105.571774 | ||
https://hackaday.com/2018/12/18/robot-swims-skates-crawls/ | This Robot Swims, Skates, And Crawls | Al Williams | [
"Robots Hacks"
] | [
"drivetrain",
"ice",
"ice skating",
"patent",
"robot",
"snake",
"swim"
] | You often hear that art imitates life, but sometimes technology does too.
Pliant Energy Systems’ Velox robot
resembles an underwater creature more than it does a robot because it uses undulating fins to propel itself, as you can see in the video below.
The video shows the beast skating, but also swimming, and walking. ... | 15 | 6 | [
{
"comment_id": "5610576",
"author": "Michael Chernoff",
"timestamp": "2018-12-19T03:18:20",
"content": "When i see this thing move, i think both sea slug, and the Horta aliens from Star Trek.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5610594",
"autho... | 1,760,374,105.755728 | ||
https://hackaday.com/2018/12/18/glowing-eyes-for-regular-guys/ | Glowing Eyes For Regular Guys | Lewin Day | [
"LED Hacks"
] | [
"contact lenses",
"cosplay",
"cosplayer",
"cosplaying",
"eyes",
"glowing eyes",
"marvel",
"thor"
] | Cosplayers continually push the boundary of what’s possible in live costuming, often taking effects from the silver screen and creating them in real life. [KyleofAsgard] is no exception,
bringing Thor’s glowing eyes to life in this impressive build.
The helmet is a 3D printed piece from Thingiverse, painted and distres... | 47 | 11 | [
{
"comment_id": "5609882",
"author": "macona",
"timestamp": "2018-12-19T00:11:23",
"content": "These short wavelengths are terrible for your eyes. Not the best idea out there.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5609934",
"author": "Jan Ci... | 1,760,374,105.844158 | ||
https://hackaday.com/2018/12/18/old-wattmeter-uses-magnetics-to-do-the-math/ | Old Wattmeter Uses Magnetics To Do The Math | Dan Maloney | [
"classic hacks",
"Teardown"
] | [
"analog",
"current",
"d'Arsonval",
"moving coil",
"power",
"shunt",
"teardown",
"voltage",
"Watt",
"wattmeter"
] | Measuring power transfer through a circuit seems a simple task. Measure the current and voltage, do a little math courtesy of [Joule] and [Ohm], and you’ve got your answer. But what if you want to design an instrument that does the math automatically? And what if you had to do this strictly electromechanically?
That’s ... | 19 | 7 | [
{
"comment_id": "5609357",
"author": "Ostracus",
"timestamp": "2018-12-18T21:20:44",
"content": "” The two magnetic fields act together, multiplying the voltage by the current, and deflect a needle against a spring preload to indicate the power. It’s quite clever, and the inner workings are a joy to... | 1,760,374,106.010063 | ||
https://hackaday.com/2018/12/18/hackaday-podcast-2018-year-in-review/ | Hackaday Podcast: 2018 Year In Review | Mike Szczys | [
"Featured",
"Interviews",
"Podcasts"
] | [
"Hackaday Podcast",
"Year in Review"
] | Did you read all 3000+ articles published on Hackaday this year? We did. And to help catch you up, we preset the
Hackaday 2018 Year in Review podcast
!
Join us for the podcast, available on all major podcasting platforms, as Editors Mike Szczys and Elliot Williams attempt the impossible task of distilling the entire ye... | 19 | 9 | [
{
"comment_id": "5609317",
"author": "Saabman",
"timestamp": "2018-12-18T20:59:18",
"content": "Thankyou to all the Hackaday writers. Thankyou for your efforts this year to bring us some great hacks.Happy Christmas to all and all the best for the year ahead",
"parent_id": null,
"depth": 1,
... | 1,760,374,106.072922 | ||
https://hackaday.com/2018/12/18/thread-carefully-an-introduction-to-concurrent-python/ | Thread Carefully: An Introduction To Concurrent Python | Ben James | [
"Software Development"
] | [
"concurrent",
"Daemon",
"futures",
"gil",
"global interpreter lock",
"multiprocessing",
"processes",
"python",
"python 3",
"queue",
"threading"
] | The ability to execute code in parallel is crucial in a wide variety of scenarios. Concurrent programming is a key asset for web servers, producer/consumer models, batch number-crunching and pretty much any time an application is bottlenecked by a resource.
It’s sadly the case that writing quality concurrent code can b... | 7 | 5 | [
{
"comment_id": "5609015",
"author": "R",
"timestamp": "2018-12-18T18:47:26",
"content": "A little bit sad to not see asyncio in there.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5609055",
"author": "Ben James",
"timestamp": "2018-12-18T1... | 1,760,374,106.118166 | ||
https://hackaday.com/2018/12/18/can-you-3d-print-a-stator-for-a-brushless-dc-motor/ | Can You 3D-Print A Stator For A Brushless DC Motor? | Dan Maloney | [
"Misc Hacks"
] | [
"BLDC",
"brushless",
"eddy currents",
"esc",
"halbach",
"permittivity",
"Proto-Pasta",
"rotor",
"stator",
"torque"
] | Betteridge’s Law holds that any headline that ends in a question mark can be answered with a “No.” We’re not sure that [Mr. Betteridge] was exactly correct, though, since
3D-printed stators can work successfully for BLDC motors
, for certain values of success.
It’s not that [GreatScott!] isn’t aware that 3D-printed mot... | 33 | 13 | [
{
"comment_id": "5608455",
"author": "RoGeorge",
"timestamp": "2018-12-18T16:42:20",
"content": "Me? No.:o)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5608507",
"author": "Brian",
"timestamp": "2018-12-18T16:52:36",
"content": "Here’s a headlin... | 1,760,374,106.187184 | ||
https://hackaday.com/2018/12/19/rigol-mso5000-hacked-features-unlocked/ | Rigol MSO5000 Hacked, Features Unlocked | Eric Evenchick | [
"Slider",
"Tool Hacks"
] | [
"free upgrade",
"mso5000",
"oscilloscope",
"rigol",
"root"
] | Rigol’s test gear has something of a history of being hacked. Years ago the DS1022C oscillocope was hacked to increase bandwidth, and more recently the DS1054Z was hacked to unlock licensed features. Now, it’s the MSO5000’s turn.
Over on the EEVBlog forums a group has been
working on hacking another Rigol, the MSO5000
... | 103 | 24 | [
{
"comment_id": "5614005",
"author": "Jim B",
"timestamp": "2018-12-19T21:09:48",
"content": "A few years back when I turned 50, my wife asked what I wanted for my big birthday. I said get me the DS1104 (100MHz, 4 channels). It set her back $850 or so.It burns my britches that at $850 I don’t even ... | 1,760,374,106.375495 | ||
https://hackaday.com/2018/12/19/pic-powered-game-console-is-blocky-goodness/ | PIC-Powered Game Console Is Blocky Goodness | Lewin Day | [
"Games"
] | [
"bruce land",
"Cornell University",
"pic",
"PIC-32",
"pic32"
] | Picking up new skills in the electronics field is often best served by the classic mantra – “learn by doing”. [Juan] and [Leo] did just that, deciding to build a handheld game console for a University project,
and delivering the PGC-32.
Built as a final project for the Digital Systems Design course at Cornell Universit... | 5 | 2 | [
{
"comment_id": "5613820",
"author": "RetepV",
"timestamp": "2018-12-19T20:12:23",
"content": "It’s a neat project. But I’m just wondering why they chose such a limited CPU while they could have had so much more for the same amount of money. E.g. an ESP8266. Which has more power, more memory, and a... | 1,760,374,106.231389 | ||
https://hackaday.com/2018/12/19/seeing-like-bees-with-ultraviolet-photography/ | Seeing Like Bees With Ultraviolet Photography | Brian Benchoff | [
"cons",
"digital cameras hacks",
"Hackaday Columns",
"Slider"
] | [
"2018 Hackaday Superconference",
"David Prutchi",
"uv",
"UV imaging",
"UV photography"
] | When it comes to seeing in strange spectrums, David Prutchi is the guy you want to talk to. He’s taken pictures of rocks under
long, medium and short UV light
, he’s added
thermal imaging to consumer cameras
, and he’s made
cameras see polarization
. There’s a lot more to the world than what the rods and cones on your ... | 14 | 7 | [
{
"comment_id": "5613464",
"author": "rnjacobs",
"timestamp": "2018-12-19T18:42:22",
"content": "Could we please get the slide deck somewhere? The video doesn’t show all the slides full-screen: sometimes it just shows the washed out video of the projector.",
"parent_id": null,
"depth": 1,
... | 1,760,374,106.432967 | ||
https://hackaday.com/2018/12/19/hexagrow-robot-packs-a-serious-sensor-package/ | Hexagrow Robot Packs A Serious Sensor Package | Lewin Day | [
"Robots Hacks"
] | [
"garden",
"greenhouse",
"pH",
"ph measurement",
"robot",
"university project"
] | Automation is a lofty goal in many industries, but not always straightforward to execute. Welding car bodies in the controlled environment of a production line is relatively straightforward. Maintaining plants in a greenhouse, however, brings certain complexities due to the unpredictable organic processes at play.
Hexa... | 15 | 9 | [
{
"comment_id": "5613060",
"author": "Ostracus",
"timestamp": "2018-12-19T16:42:43",
"content": "“It recalls memories of the science packages on Mars rovers, and it’s great to see this level of sophistication in a university project build. ”I could see farmers paying for something like this. May not... | 1,760,374,106.601672 | ||
https://hackaday.com/2018/12/19/gopro-factory-goes-nomad-to-dodge-tarrif-threat/ | GoPro Factory Goes Nomad To Dodge Tariff Threat | Tom Nardi | [
"Current Events",
"Featured",
"hardware",
"Slider"
] | [
"automation",
"china",
"international trade",
"manufacturing",
"tariff",
"trade"
] | Despite the fact that the United States and China are currently in the middle of a 90-day “cease fire” in their ongoing trade war, with new tariffs on hold until March 2019 while the two countries try to reach agreement, not everyone is waiting around to see who comes out on top. In a recent press release,
action camer... | 71 | 13 | [
{
"comment_id": "5612816",
"author": "gloom",
"timestamp": "2018-12-19T15:30:14",
"content": "Your article misses some of the important detail about claiming manufacture in a 3rd party country.There is a certain level of production which must be done in a country to claim it as the origin. But this ... | 1,760,374,106.548713 | ||
https://hackaday.com/2018/12/19/3d-printed-head-can-unlock-your-phone/ | 3D Printed Head Can Unlock Your Phone | Al Williams | [
"3d Printer hacks",
"Phone Hacks",
"Security Hacks"
] | [
"3d printing",
"android",
"biometric",
"biometrics",
"face",
"facial recognition",
"iphone"
] | [Thomas Brewster] writes for Forbes, but we think he’d be at home with us. He had a 3D printed head made in his own image and then decided to see what
phones with facial recognition he could unlock
. Turns out the answer is: most of them — at least, those running Android.
The models tested included an iPhone X, an LG, ... | 23 | 9 | [
{
"comment_id": "5612180",
"author": "ONV",
"timestamp": "2018-12-19T12:09:50",
"content": "…and people often wonder why I keep making funny faces at my phone – I call it security through obscurity.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5612341",
... | 1,760,374,106.661084 | ||
https://hackaday.com/2018/12/19/thats-a-lisp-machine-in-your-pocket/ | That’s A Lisp Machine In Your Pocket | Brian Benchoff | [
"Crowd Funding"
] | [
"CrowdSupply",
"lisp",
"Lisp machine"
] | Computer languages have always advanced faster than computer hardware. Case in point: we’re
just now
getting CPU instructions for JavaScript floating point numbers. The 1970s and 80s wasn’t the garbage fire of JavaScript instructions in silicon, instead they were all about garbage collection. Lisp machines were CPUs de... | 43 | 12 | [
{
"comment_id": "5611744",
"author": "Nikolaus",
"timestamp": "2018-12-19T09:43:39",
"content": "So in other words they are running a lisp interpreter on an antiquated microprocessor platform and are calling it a lisp machine?You can runhttp://www.ulisp.comon a ESP32 or a Cortex M4 btw…",
"paren... | 1,760,374,106.741438 | ||
https://hackaday.com/2018/12/18/gps-iii-launching-today-but-you-cant-use-it-until-2022/ | GPS III Launching Today But You Can’t Use It Until 2022 | Al Williams | [
"Current Events",
"Featured",
"News",
"Slider",
"Space"
] | [
"gps",
"gps iii",
"satellite"
] | Imagine if you bought a new car but they keys were not going to be shipped to you until a few years later. That’s analogous to the situation the U.S. Air Force finds itself in. The first GPS III satellite is finally ready to launch today, December 18, 2018 — a little over 2 years beyond the original schedule. However, ... | 49 | 14 | [
{
"comment_id": "5608040",
"author": "Bill",
"timestamp": "2018-12-18T15:17:37",
"content": "Actually, Apollo planning started well before Kennedy’s speech. He just accelerated the project and then his death made it politically difficult to cut funding before we reached the moon.",
"parent_id": ... | 1,760,374,106.839164 | ||
https://hackaday.com/2018/12/18/does-library-bloat-make-your-smartphone-app-look-fat/ | Does Library Bloat Make Your Smartphone App Look Fat? | Tom Nardi | [
"Android Hacks",
"iphone hacks",
"Software Development"
] | [
"apps",
"bloat",
"compression",
"ios",
"localization",
"privacy",
"smartphone"
] | While earlier smartphones seemed to manage well enough with individual applications that only weighed in at a few megabytes, a perusal of the modern smartphone software store uncovers some positively monstrous file sizes. The fact that we’ve become accustomed to mobile applications requiring 100+ MB downloads on what’s... | 53 | 14 | [
{
"comment_id": "5607431",
"author": "gun4as",
"timestamp": "2018-12-18T13:23:11",
"content": "This article reminded me of the other article about everything slowing down and bloating etc, couple month ago here on hackaday.https://hackaday.com/2018/09/22/one-mans-disenchantment-with-the-world-of-sof... | 1,760,374,107.031926 | ||
https://hackaday.com/2018/12/18/can-magnets-replace-the-spring-in-a-pogo-stick/ | Can Magnets Replace The Spring In A Pogo Stick? | Brian Benchoff | [
"Misc Hacks",
"Science"
] | [
"Hooke's law",
"how do they work",
"magnets",
"pogo stick",
"spring"
] | Betteridge’s law of headlines states that any headline that ends in a question mark can be answered by the word ‘no’. It’s the case with articles asking if Millennials are responsible for all of the world’s ills, or if some technology is the future. So we come to
this fascinating case of native content
(amusing, veiled... | 21 | 7 | [
{
"comment_id": "5606171",
"author": "svofski",
"timestamp": "2018-12-18T09:36:00",
"content": "“Digital springs” however are a thing. A pogo stick that emulates a spring using electric motor should be possible. The benefits would be more craziness due to variable and adjustable characteristics.",
... | 1,760,374,107.098156 | ||
https://hackaday.com/2018/12/17/tired-of-killing-houseplants-try-using-wifi/ | Tired Of Killing Houseplants? Try Using WiFi. | Ted Yapo | [
"Wireless Hacks"
] | [
"blynk",
"indoor plants",
"moisture sensor",
"wifi"
] | Here at Hackaday, we have to admit to neglecting a few houseplants in our time. Let’s face it… a cold, hard, thinking machine can care for our green friends better than you can. Why not team up? [cabuu]’s
WiFi-enabled soil moisture sensor
will do the trick in case you, too, want happy plants.
This is one of those proje... | 50 | 19 | [
{
"comment_id": "5605126",
"author": "Howie",
"timestamp": "2018-12-18T06:40:45",
"content": "I really like the enclosure but I think it would make much more sense to make it USB powered for indoor use, it could be a lot smaller without the battery and it wouldn’t have to sleep so much.Oh and these ... | 1,760,374,107.224125 | ||
https://hackaday.com/2018/12/17/hacker-makes-a-flawless-booby-trap-strikes-back-against-package-thieves/ | Hacker Makes A Flawless Booby Trap, Strikes Back Against Package Thieves | Ben James | [
"3d Printer hacks",
"Misc Hacks"
] | [
"3d print",
"glitter",
"gps",
"mark rober",
"package theft",
"smartphone",
"trap"
] | [Mark Rober] was fed up with packages going missing. He kept receiving notifications that his shipments had been delivered, but when checking his porch he found nothing there. Reviewing the CCTV footage revealed random passers-by sidling up to his porch and stealing his parcels. It was time to strike back. Over six mon... | 158 | 47 | [
{
"comment_id": "5604479",
"author": "drwho8 (@drwho8)",
"timestamp": "2018-12-18T03:24:14",
"content": "Gadzooks that’s clever. I strongly doubt anyone who’s that desperate for a package will do that more then once. Who knows? It might even help him recover the other lost packages, by way causing t... | 1,760,374,107.414978 | ||
https://hackaday.com/2018/12/17/welcome-our-new-insect-overlords-with-arduino-powered-ant-bot/ | Welcome Our New Insect Overlords With Arduino-Powered Ant Bot | Lewin Day | [
"Robots Hacks"
] | [
"ant",
"ant bot",
"antbot",
"arduino",
"hexapod",
"hexapods",
"robot"
] | Walking robots come in many forms, and each presents their own unique challenges. Bipedal style locomotion is considered particularly difficult to do well, however designs with more legs offer certain advantages. Hexapods offer the possibility of keeping several legs on the ground while others move, providing a useful ... | 3 | 3 | [
{
"comment_id": "5604291",
"author": "Ostracus",
"timestamp": "2018-12-18T00:46:44",
"content": "” Hexapods offer the possibility of keeping several legs on the ground while others move, providing a useful degree of stability. ”Millipedes. The more the merrier.**Food for thought. Would one get a res... | 1,760,374,107.138419 | ||
https://hackaday.com/2018/12/17/arduino-one-pixel-camera-sees-all-eventually/ | Arduino One Pixel Camera Sees All (Eventually) | Tom Nardi | [
"Arduino Hacks",
"digital cameras hacks"
] | [
"28BYJ-48",
"Arduino Uno",
"light sensor",
"stepper",
"TCS34725",
"turret"
] | Taking pictures in the 21st century is incredibly easy. So easy in fact that most people don’t even own a dedicated camera; from smartphones to door bells there are cameras built into nearly electronic device we own. So in this era of ubiquitous photography, you might think that a very slow and extremely low resolution... | 19 | 7 | [
{
"comment_id": "5604167",
"author": "Shrad",
"timestamp": "2018-12-17T22:04:58",
"content": "Maybe a fast scanning XY galvanometer in front of a pinhole, with the right optics at the front and after the scanner, could do a fast one-pixel camera…",
"parent_id": null,
"depth": 1,
"replies... | 1,760,374,109.077198 | ||
https://hackaday.com/2018/12/17/ultimate-a-useful-tool-for-file-system-hacking/ | ULTIMATE – A Useful Tool For File System Hacking | Lewin Day | [
"classic hacks"
] | [
"fat",
"file system",
"file systems"
] | Whether you’re at the hobbyist level or a professional, if you’re working on code for operating systems or file systems, tools can make or break the job. [Ben Lunt] is an enthusiast hacker himself, and found that over time, a series of useful utilities had proliferated beyond reasonable management.
It was time to solve... | 23 | 7 | [
{
"comment_id": "5604115",
"author": "Ostracus",
"timestamp": "2018-12-17T20:20:04",
"content": "“With great power comes great responsibility”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5604119",
"author": "Bob Fleming",
"timestamp": "20... | 1,760,374,109.016151 | ||
https://hackaday.com/2018/12/17/the-hydrogen-economy-may-be-coming-through-your-cooker/ | The Hydrogen Economy May Be Coming Through Your Cooker | Jenny List | [
"Featured",
"home hacks",
"Interest",
"Original Art",
"Slider",
"Transportation Hacks"
] | [
"H2",
"hydrogen",
"hydrogen car",
"hydrogen grid",
"hydrogen powered",
"natural gas"
] | About an hour’s drive from where this is being written there is a car plant, and as you drive past its entrance you may notice an unobtrusive sign and
an extra lane with the cryptic road marking “H2”
. The factory is the Honda plant at Swindon, it produces some of Europe’s supply of Civics, and the lane on the road lea... | 106 | 24 | [
{
"comment_id": "5604029",
"author": "TheRegnirps.",
"timestamp": "2018-12-17T18:12:22",
"content": "I have read that hydrogen burning with air in an engine is hotter than hydrocarbons, and produces a lot more of the toxic nitrogen compounds that cause pollution and smog. Wiki does not mention this,... | 1,760,374,109.86172 | ||
https://hackaday.com/2018/12/17/button-button-whos-got-the-one-button/ | Button, Button, Who’s Got The (One) Button? | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"calculator",
"Flappy Bird"
] | We often think that less is more, but what can you do with a device that has only a single button? [Danko Bertović] wondered the same thing and he built an Arduino with a single button and a display. After doing some obvious things (like a counter or stopwatch)
he decided to make a calculator for his latest
Volos Proj... | 17 | 10 | [
{
"comment_id": "5603947",
"author": "Wi Not",
"timestamp": "2018-12-17T16:44:14",
"content": "Apple has marketed their ‘one wheel’ so thoroughly that I cannot completely separate the idea from Apple in my brain. The cult following and anti-maker closedness of Apple products has completely soured me... | 1,760,374,109.354046 | ||
https://hackaday.com/2018/12/17/welcome-to-the-slow-death-of-satellite-tv-in-america/ | Welcome To The Slow Death Of Satellite TV In America | Tom Nardi | [
"Current Events",
"Featured",
"home entertainment hacks",
"Slider",
"Space"
] | [
"DirecTV",
"entertainment",
"geostationary",
"satellite TV",
"streaming",
"television"
] | During an earnings call on November 29th, CEO of AT&T Communications John Donovan effectively signed the death warrant for satellite television in the United States. Just three years after spending $67 billion purchasing the nations’s largest satellite TV provider, DirecTV, he made a comment which left little doubt abo... | 131 | 16 | [
{
"comment_id": "5603864",
"author": "John E Kabat Jr",
"timestamp": "2018-12-17T15:28:30",
"content": "What about Echostar/Dish?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5603890",
"author": "Alan Hightower",
"timestamp": "2018-12-17T15... | 1,760,374,109.711549 | ||
https://hackaday.com/2018/12/17/a-deep-dive-into-low-power-wifi-microcontrollers/ | A Deep Dive Into Low Power WiFi Microcontrollers | Brian Benchoff | [
"Microcontrollers",
"Wireless Hacks"
] | [
"ESP32",
"ESP8266",
"microcontrollers",
"wifi"
] | The Internet of Things is eating everything alive, and the world wants to know: how do you make a small, battery-powered, WiFi-enabled microcontroller device? This is a surprisingly difficult problem. WiFi is not optimized for low-power operations. It’s power-hungry, and there’s a lot of overhead. That said, there are ... | 39 | 11 | [
{
"comment_id": "5603812",
"author": "Max",
"timestamp": "2018-12-17T13:26:44",
"content": "I recall a reference design with TI CC3220 which had an estimated battery life of 1 1/4 year on four AA batteries. WiFi was always connected and even a motor was driven 24 times per day! Here’s the link:http:... | 1,760,374,109.254513 | ||
https://hackaday.com/2018/12/17/bit-installation-combines-art-markov-chains/ | ‘Bit’ Installation Combines Art, Markov Chains | Lewin Day | [
"Art"
] | [
"art",
"art installation",
"markov",
"markov chains",
"stepper motor",
"stepper motors"
] | A Markov chain is a mathematical concept of a sequence of events, in which each future event depends only on the state of the previous events. Like most mathematical concepts, it has wide-ranging applications from gambling to the stock market, but in this case,
[Jonghong Park] has applied it to art
.
The installation, ... | 7 | 4 | [
{
"comment_id": "5603756",
"author": "RoGeorge",
"timestamp": "2018-12-17T11:45:59",
"content": "Speechless!:o)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5603917",
"author": "P-dog",
"timestamp": "2018-12-17T16:16:16",
"content": "Just to be a... | 1,760,374,109.118193 | ||
https://hackaday.com/2018/12/16/musical-mod-lets-mri-scanner-soothe-the-frazzled-patient/ | Musical Mod Lets MRI Scanner Soothe The Frazzled Patient | Dan Maloney | [
"Medical Hacks",
"Musical Hacks"
] | [
"exam",
"filter",
"gradient coil",
"Lorenz forces",
"Magnetic resonance imaging",
"midi",
"modulation",
"mp3",
"mri",
"music",
"RF"
] | Hackers love to make music with things that aren’t normally considered musical instruments. We’ve all seen floppy drive orchestras, and the musical abilities of a Tesla coil can be ear-shatteringly impressive. Those are all just for fun, though. It would be nice if there were practical applications for making music fro... | 27 | 16 | [
{
"comment_id": "5603147",
"author": "Gravis",
"timestamp": "2018-12-17T07:02:50",
"content": "There is a slight problem here: listening to music affects which parts of your brain are active. Also, if intensity is needed for sharper imaging then death metal just got clinical. ;)",
"parent_id": ... | 1,760,374,109.530783 | ||
https://hackaday.com/2018/12/15/shape-shifting-structures-work-with-magnets/ | Shape Shifting Structures Work With Magnets | Brian McEvoy | [
"3d Printer hacks",
"chemistry hacks"
] | [
"3d printing",
"4d",
"4D printing",
"batman",
"industrial",
"safety",
"shape",
"shapeshift",
"shift"
] | In
The Dark Knight
, Lucius Fox shows Bruce Wayne a neat bit of memory weave fabric. In its resting state, it is a light, flexible material, but when an electrical current is applied, it pops into a pre-programmed shape. That shape could be a tent or a bat-themed paraglider. Science has not caught up to Hollywood in th... | 12 | 4 | [
{
"comment_id": "5601132",
"author": "Ostracus",
"timestamp": "2018-12-16T07:15:40",
"content": "Car suspension.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5601258",
"author": "Samson",
"timestamp": "2018-12-16T09:46:22",
"content... | 1,760,374,109.302578 | ||
https://hackaday.com/2018/12/15/manhattan-mystery-of-creepy-jingles-and-random-noises-solved/ | Manhattan Mystery Of Creepy Jingles And Random Noises Solved | Dan Maloney | [
"Phone Hacks"
] | [
"attack",
"exploit",
"kiosk",
"LinkNYC",
"Mr. Softee",
"performance art",
"phreaking",
"protest",
"social engineering",
"voip",
"vonage"
] | Here’s a puzzler for you: If you’re phreaking something that’s not exactly a phone, are you still a phreak?
That question probably never crossed the minds of New Yorkers who were acoustically assaulted on the normally peaceful sidewalks of Manhattan over the summer by creepy sounds emanating from streetside WiFi kiosks... | 23 | 12 | [
{
"comment_id": "5600885",
"author": "Karl",
"timestamp": "2018-12-16T03:05:31",
"content": "The best part is he’s using PINE (or maybe the terminal version of Alpine) on his phone for email.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5600964",
"author... | 1,760,374,109.175729 | ||
https://hackaday.com/2018/12/15/imploding-tiny-3d-prints/ | Imploding Tiny 3D Prints | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"diaper",
"implosion",
"mit",
"science"
] | If you think about 3D printing, the ultimate goal would be to lay down specific atoms or molecule and build anything. Despite a few lab demonstrations at that scale, generally, it is easier to print in the macro scale than the micro. While it won’t get down to the molecule level, implosion fabrication is a new techniqu... | 10 | 8 | [
{
"comment_id": "5600722",
"author": "Robert Mateja",
"timestamp": "2018-12-16T00:50:47",
"content": "https://www.nffa.eu/offer/lithography-patterning/installation-1/two-photon-lithography/https://en.wikipedia.org/wiki/Multiphoton_lithography",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,374,109.909481 | ||
https://hackaday.com/2018/12/15/this-6502-made-from-74-series-logic-can-run-at-20-mhz/ | This 6502 Made From 74-Series Logic Can Run At 20 MHz | Jenny List | [
"classic hacks",
"computer hacks"
] | [
"6502",
"74 series logic",
"TTL computer",
"ttl cpu"
] | If you always wished you could get closer to the hardware with the 6502 in your classic microcomputer you’re in luck, because [Drass] has
created a beautiful implementation of a 6502
using TTL logic chips. What makes it special is that it sits on a very neat set of PCBs, and due to its use of 74AC series logic it can r... | 26 | 12 | [
{
"comment_id": "5599842",
"author": "prpplague",
"timestamp": "2018-12-15T21:09:59",
"content": "fantastic build!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5599897",
"author": "Jac Goudsmit",
"timestamp": "2018-12-15T21:15:51",
"content": "Pa... | 1,760,374,110.079624 | ||
https://hackaday.com/2018/12/15/maze-generator-keeps-plotter-and-kids-busy/ | Maze Generator Keeps Plotter (and Kids) Busy | Tom Nardi | [
"Software Hacks"
] | [
"java",
"maze",
"open source",
"plotter",
"printer"
] | We can tell that [Jon Howell] is our kind of guy. After updating his vintage 1985 Hewlett-Packard plotter with WiFi and the ability to load SVG files, he obviously needed to find a bunch of stuff to run off with it. Gotta justify those hacks somehow. So he doubled down and decided support a hack with another hack by
wr... | 14 | 7 | [
{
"comment_id": "5599448",
"author": "Szaja",
"timestamp": "2018-12-15T20:30:34",
"content": "Cool work. Is plotter modification described somewhere?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5599567",
"author": "Jon Howell",
"timestamp"... | 1,760,374,109.964513 | ||
https://hackaday.com/2018/12/15/young-entrepreneurs-learn-what-really-goes-into-making-a-product/ | Young Entrepreneurs Learn What Really Goes Into Making A Product | Donald Papp | [
"Art",
"how-to"
] | [
"business",
"design",
"laser cut",
"Laser cutting",
"maker faire",
"manufacturing",
"napkin",
"napkin ring",
"prototyping",
"selling"
] | Just to be clear, the primary goal of the
Papas Inventeurs
(Inventor Dads) was to have the kids make something, have fun, and learn. In that light, they enjoyed a huge success. Four children
designed, made, and sold laser-cut napkin rings from a booth at the Ottawa Maker Faire
as a fun learning process (English transla... | 7 | 4 | [
{
"comment_id": "5598541",
"author": "Justin",
"timestamp": "2018-12-15T15:10:32",
"content": "It’s always the labor that gets you. Especially when you don’t have thousands of products to spread it across.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "559859... | 1,760,374,110.013445 | ||
https://hackaday.com/2018/12/15/bust-a-move-doesnt-have-to-be-such-a-grind/ | Bust A Move Doesn’t Have To Be Such A Grind | Lewin Day | [
"Games"
] | [
"bust-a-move",
"coffee",
"coffee grinder"
] | PC gamers have the benefit of the mouse and keyboard, which are highly flexible when it comes to input devices for gaming. What’s more, the freedom of the platform means that it’s easy to whip up whatever mad controller you can dream of to best suit the games you’re playing.
Enter [Tom Tilley] with the aptly-named Hips... | 4 | 3 | [
{
"comment_id": "5598721",
"author": "Bart",
"timestamp": "2018-12-15T18:26:24",
"content": "Controls from 1900’s are back in style.[img]http://1.bp.blogspot.com/-PjRhKsosKS0/VpUKejk730I/AAAAAAAAOFo/wiAkpF3ZGic/s1600/60407.jpg[/img]",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,110.122424 | ||
https://hackaday.com/2018/12/16/cheap-multimeter-leads-come-with-extra-ohms-free/ | Cheap Multimeter Leads Come With Extra Ohms, Free! | Donald Papp | [
"hardware",
"Parts"
] | [
"counterfeit",
"extra ohms",
"MMU",
"multimeter",
"refund",
"steel wire"
] | [Nop head] discovered that cheap multimeter leads costing only a few bucks can
come with more than one may have bargained for
. The first set had a large amount of useful-looking attachments, but the wires used for the leads were steel with a resistance of about one ohm each. With two leads in use, that means any resis... | 23 | 15 | [
{
"comment_id": "5602650",
"author": "Yann Guidon / YGDES",
"timestamp": "2018-12-17T03:15:23",
"content": "Thank you Captain Obvious !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5602652",
"author": "PreferLinux",
"timestamp": "2018-12-17T03:15:56"... | 1,760,374,110.235997 | ||
https://hackaday.com/2018/12/16/hackaday-links-december-16-2018/ | Hackaday Links: December 16, 2018 | Brian Benchoff | [
"News"
] | [
"blockchain",
"Frack",
"hackerspace",
"thingiverse",
"vaporwave"
] | Microsoft is really leaning into vaporwave these days
. Microsoft is giving away knit Windows sweaters to social media influencers. Is it for an ugly sweater contest? Maybe, or maybe Microsoft is capitalizing on the mid-90s ＡＥＳＴＨＥＴＩＣ. Recently, Apple got back in their 90s logo game with the release of
a few ‘rainbow Ap... | 12 | 6 | [
{
"comment_id": "5602415",
"author": "Dielectric",
"timestamp": "2018-12-17T01:29:47",
"content": "+1, Thingiverse is pretty slow for me as well. Good alternatives?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5603323",
"author": "petter nicklas",... | 1,760,374,110.171964 | ||
https://hackaday.com/2018/12/16/artificial-intelligence-composes-new-christmas-songs/ | Artificial Intelligence Composes New Christmas Songs | Lewin Day | [
"Musical Hacks"
] | [
"ai",
"lstm",
"music",
"neural network",
"neural networks"
] | One of the most common uses of neural networks is the generation of new content, given certain constraints. A neural network is created, then trained on source content – ideally with as much reference material as possible. Then, the model is asked to generate original content in the same vein. This generally has mixed,... | 20 | 11 | [
{
"comment_id": "5602268",
"author": "jimvandamme",
"timestamp": "2018-12-16T21:06:35",
"content": "Right now the copyright holder for “Carol of the Bells” is getting lawyered up.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5602348",
"author": "ol... | 1,760,374,110.288543 | ||
https://hackaday.com/2018/12/16/how-not-to-design-a-3d-printed-belt-clamp/ | How Not To Design A 3D Printed Belt Clamp | Donald Papp | [
"3d Printer hacks"
] | [
"3d printed",
"3d printer",
"belt clamp",
"belt driven",
"fail",
"failure",
"GT2",
"ummd"
] | [Mark Rehorst] has been busy with his
Ultra MegaMax Dominator
(UMMD) design for a 3D printer, and one of the many things he learned in the process was
how
not
to design a 3D printed belt clamp
. In the past, we saw how the UMMD ditched the idea of a lead screw
in favor of a belt-driven Z axis
, but [Mark] discovered so... | 17 | 5 | [
{
"comment_id": "5602054",
"author": "Fly Hammer",
"timestamp": "2018-12-16T18:51:02",
"content": "Certainly this is an indicator that there’s too much weight hanging on the belt, no?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5602306",
"author":... | 1,760,374,110.3538 | ||
https://hackaday.com/2018/12/16/ai-bot-plays-castlevania-so-you-dont-have-to/ | AI Bot Plays Castlevania So You Don’t Have To | Tom Nardi | [
"classic hacks",
"Games",
"Nintendo Hacks"
] | [
"automated",
"Castlevania",
"classic game",
"emulator",
"nes",
"sprite"
] | We’re not allowed to have TV here in the Hackaday
Wonder Bunker
, but occasionally we’ll pool together the bandwidth credits they pay us in and gather ’round the old 3.5 inch TFT LCD to watch whatever Netflix assures us is 93% to our liking. That’s how we found out they’ve made a show based on, of all things, one of th... | 10 | 4 | [
{
"comment_id": "5601989",
"author": "Brandon",
"timestamp": "2018-12-16T17:16:44",
"content": "That is really cool, Something I never would of thought to create on my own. Did he use Python?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5602053",
"... | 1,760,374,110.642348 | ||
https://hackaday.com/2018/12/16/openln-automating-biology-for-everyone/ | OpenLH: Automating Biology For Everyone | Al Williams | [
"3d Printer hacks",
"Science"
] | [
"Bio hacking",
"biology",
"blockly",
"liquid handling",
"openlh"
] | When we took a biology lab, you had to use a mouth pipette to transfer liquids around. That always seemed odd to use your mouth to pick up something that could be dangerous. It’s also not very efficient. A modern lab will use a liquid handling robot, but these aren’t exactly cheap. Sometimes these are called pipettors ... | 9 | 7 | [
{
"comment_id": "5601689",
"author": "Robert Mateja",
"timestamp": "2018-12-16T13:57:32",
"content": "liquid handling robot on linear rails for quarter cost:https://grabcad.com/library/3-axis-cnc-robot-arm-vl-1",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "56... | 1,760,374,110.591952 | ||
https://hackaday.com/2018/12/16/brushless-motor-thrust-stand-provides-useful-data/ | Brushless Motor Thrust Stand Provides Useful Data | Lewin Day | [
"Transportation Hacks"
] | [
"adc",
"brushless motor",
"motor",
"static test",
"static testing",
"strain gauge"
] | When designing model aircraft of any shape or size, it’s useful to know the performance you can expect from the components chosen. For motors and propellers, this can be difficult. It’s always best to test them in combination. However, with the numbers of propeller and motor combinations possible, such data can be toug... | 16 | 8 | [
{
"comment_id": "5601244",
"author": "steelman",
"timestamp": "2018-12-16T09:14:17",
"content": "How about (semi-)automatic data aquisition? Graphs seem like a natural way to present data from such experiments.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,374,110.702231 | ||
https://hackaday.com/2018/12/14/dexterity-hand-is-a-configurable-prosthetic-hand/ | Dexterity Hand Is A Configurable Prosthetic Hand | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3d printer",
"finger",
"grip",
"hand",
"prosthetic",
"prosthetics"
] | One of the interesting benefits of the 3D printing revolution is the dramatic increase in availability of prosthetics for people with virtually any need. With a little bit of research, a 3D printer, and some trial and error, virtually anyone can build a prototype prosthetic to fit them specifically rather than spend th... | 5 | 5 | [
{
"comment_id": "5596214",
"author": "Andy Pugh",
"timestamp": "2018-12-14T16:50:45",
"content": "I suspect that the intention is to have a cable operated by some other body part. I have seen a metal-hook style prosthetic that was operated by a cable round the users back. Pulling shoulders forward p... | 1,760,374,110.745048 | ||
https://hackaday.com/2018/12/14/retrotechtacular-remembering-radio-shack-p-box-kits/ | Retrotechtacular: Remembering Radio Shack P-Box Kits | Al Williams | [
"Hackaday Columns",
"Retrotechtacular",
"Wireless Hacks"
] | [
"kit",
"P-Box",
"radio shack",
"retrotechtacular"
] | If you are under a certain age, you probably associate Radio Shack with cellphones. While Radio Shack never gave us access to the variety and economy of parts we have today, they did have one thing that I wish we could get again: P-Box kits. The obvious questions are: What’s a P-Box and why do I want one? But the kit w... | 86 | 35 | [
{
"comment_id": "5595962",
"author": "Miroslav",
"timestamp": "2018-12-14T15:10:17",
"content": "That FM radio schematic … I don’t see any way to control the regeneration level. Fixed? Always oscillating?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "559602... | 1,760,374,111.166806 | ||
https://hackaday.com/2018/12/14/lets-look-at-some-cool-old-leds/ | Let’s Look At Some Cool Old LEDs | Lewin Day | [
"LED Hacks"
] | [
"hewlett packard",
"HP",
"led",
"leds",
"vintage hardware"
] | LEDs are now a mature technology, with all manner of colors and flavors available. However, back in the 1970s, it was early days for this fledgling display tech, and things looked very different. [IMSAI Guy] happened to work at the optoelectronics division of Hewlett-Packard during their development of LED displays,
an... | 17 | 3 | [
{
"comment_id": "5595829",
"author": "Ren",
"timestamp": "2018-12-14T14:19:53",
"content": "“drenched in gold plating”…That phrase caught my intention, piqued my interest, whatever…B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5596222",
"author": "Eri... | 1,760,374,110.876723 | ||
https://hackaday.com/2018/12/14/charge-your-ev-the-portable-way/ | Charge Your EV The Portable Way | Jenny List | [
"Transportation Hacks"
] | [
"ev",
"gas electric hybrid",
"hybrid",
"PHEV"
] | [Andrew Rossignol] has a slightly unusual plug-in hybrid vehicle, a Cadillac ELR, and his latest project for the car sees him
building a battery-powered portable mains charging pack
for it in an attempt to increase its range. If this seems to be a rather cumbersome exercise, his write-up details the work he put in tryi... | 37 | 6 | [
{
"comment_id": "5595515",
"author": "Steven-X",
"timestamp": "2018-12-14T12:39:43",
"content": "Seems like to me that could be placed in a small trailer and towed behind in order to increase range for trips. That way it can be quickly disconnected given he is still using the external connector.If t... | 1,760,374,110.819127 | ||
https://hackaday.com/2018/12/13/turn-old-pinball-parts-into-a-unique-digital-clock/ | Turn Old Pinball Parts Into A Unique Digital Clock | Dan Maloney | [
"classic hacks",
"clock hacks"
] | [
"coil",
"DS3231 RTC",
"electromagnet",
"ESP8266",
"mosfet",
"pinball"
] | It’s getting ever harder to build a truly unique digital clock. From electronic displays to the flip-dots and flip-cards, everything seems to have been done to death. But this
pinball scoring reel clock
manages to keep the unique clock ball in play, as it were.
It’s not entirely clear whom to credit with this build, bu... | 25 | 9 | [
{
"comment_id": "5594815",
"author": "Mart",
"timestamp": "2018-12-14T07:57:14",
"content": "the problem will be : where to find thoses scoring wheels ?? where i live pinballs machines simply doesn’t exist anymore lollVery nice implementation ;)",
"parent_id": null,
"depth": 1,
"repli... | 1,760,374,110.97836 | ||
https://hackaday.com/2018/12/13/a-cheat-sheet-for-publishing-python-packages/ | A Cheat Sheet For Publishing Python Packages | Donald Papp | [
"Software Development"
] | [
"cheat sheet",
"packages",
"publishing",
"python",
"software development"
] | [Brendan Herger] was warned that the process of publishing a Python package would be challenging. He relishes a challenge, however, and so he went at it with gusto. The exhausting process led him to share a
cheat sheet for publishing Python packages
with the goal of making the next time smoother, while also letting oth... | 5 | 3 | [
{
"comment_id": "5594150",
"author": "Jeremy S Cook",
"timestamp": "2018-12-14T04:18:00",
"content": "It’s interesting how many times I’ve documented something for “the internet” and it ends up being really helpful for me to remember whatever it was later.",
"parent_id": null,
"depth": 1,
... | 1,760,374,110.919174 | ||
https://hackaday.com/2018/12/13/how-to-make-a-pilotron-the-forgotten-tube/ | How To Make A Pilotron, The Forgotten Tube | Lewin Day | [
"classic hacks"
] | [
"glass",
"glass blowing",
"glassblowing",
"pilotron",
"tube",
"tubes",
"valve",
"valves"
] | The vacuum tube is largely ignored in modern electronic design, save for a few audio applications such as guitar and headphone amps. The transistor is smaller, cheaper, and inordinately easier to manufacture. By comparison, showing us just how much goes into the manufacture of a tube,
[glasslinger] decided to make a wi... | 21 | 5 | [
{
"comment_id": "5593525",
"author": "Miroslav",
"timestamp": "2018-12-14T00:09:48",
"content": "Pliotron, not pilotron:https://en.wikipedia.org/wiki/Audion#Kenotron_and_Pliotron",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5593719",
"author": "Lew... | 1,760,374,111.038983 | ||
https://hackaday.com/2018/12/15/reflex-trainer-puts-athletes-to-the-test/ | Reflex Trainer Puts Athletes To The Test | Lewin Day | [
"classic hacks"
] | [
"excercise",
"exercise",
"led",
"NodeMCU",
"reflex trainer",
"reflex training"
] | Being a top athlete in this modern age is a full-time job. No longer do athletes simply practice at their nominated sport of choice. They undergo strength training, full nutritional programs, cardio, and even reflex training.
Reflex training involves a series of nodes that an athlete must identify when lit up, and touc... | 0 | 0 | [] | 1,760,374,111.201796 | ||
https://hackaday.com/2018/12/14/build-your-own-anechoic-chamber/ | Build Your Own Anechoic Chamber | Bryan Cockfield | [
"how-to"
] | [
"absorption",
"acoustics",
"anechoic",
"dampening",
"foam",
"microphone",
"Panels",
"sound",
"speaker"
] | For professional-level sound recording, you’ll need professional-level equipment. Microphones and mixing gear are the obvious necessities, as well as a good computer with the right software on it. But once you have those things covered, you’ll also need a place to record. Without a good acoustic space, you’ll have all ... | 16 | 6 | [
{
"comment_id": "5598202",
"author": "echodelta",
"timestamp": "2018-12-15T09:59:22",
"content": "Which would you rather hear music performed in? A an anechoic chamber or B the Royal Concertgebouw or Symphony Hall Boston? Two of the worlds greatest sound spaces with fantastic reflections and ambianc... | 1,760,374,111.669474 | ||
https://hackaday.com/2018/12/14/a-lecture-by-a-fun-guy/ | A Lecture By A Fun Guy | Brian McEvoy | [
"chemistry hacks",
"how-to"
] | [
"biology",
"fungi",
"fungus",
"how-to",
"inoculation",
"lecture",
"mushroom",
"mycelium",
"shiitake",
"workshop"
] | Many people hear “fungus” and think of mushrooms. This is akin to hearing “trees” and thinking of apples. Fungus makes up 2% of earth’s total biomass or 10% of the non-plant biomass, and ranges from the deadly to the delicious. This lecture by [Justin Atkin] of [The Thought Emporium] is slightly shorter than a college ... | 9 | 3 | [
{
"comment_id": "5597854",
"author": "foxpup",
"timestamp": "2018-12-15T06:23:23",
"content": "Everyone needs a hobby. :-)https://www.youtube.com/watch?v=ZeWgnPeZES8",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5597855",
"author": "Ostracus",
"timest... | 1,760,374,111.777355 | ||
https://hackaday.com/2018/12/14/lessons-learned-from-a-1-day-rtl-sdr-enclosure-project/ | Lessons Learned From A 1-Day RTL-SDR Enclosure Project | Donald Papp | [
"3d Printer hacks",
"how-to"
] | [
"3d printed",
"3d printing",
"cad",
"design",
"enclosure",
"R820T2",
"RTL-SDR"
] | [ByTechLab] needed an enclosure for his R820T2 based RTL-SDR, which sports an SMA connector. Resolving to design and 3D print one in less than a day, he learned a few things about practical design for 3D printing and
shared them online
along with his CAD files.
The RTL-SDR is a family of economical software defined rad... | 9 | 3 | [
{
"comment_id": "5598087",
"author": "kramboz",
"timestamp": "2018-12-15T08:31:26",
"content": "The thing that stands out the most is the screws. Recessed screw holes to hide the heads would be better. Also, the screws may be unnecessary… Most things like this that I design can snap together with... | 1,760,374,111.826051 | ||
https://hackaday.com/2018/12/14/vintage-plotter-turned-fruit-spectrometer/ | Vintage Plotter Turned Fruit Spectrometer | Tom Nardi | [
"hardware",
"Microcontrollers",
"Raspberry Pi"
] | [
"chlorophyll",
"PCA9685",
"pic32",
"plotter",
"spectrometer",
"stepper motor"
] | Fruit can be a tricky thing: if you buy it ripe you’ll be racing against time to eat the pieces before they turn into a mushy mess, but if you buy the ones which are a bit before their prime it’s not always easy to tell when they’re ready to eat. Do you smell it? Squeeze it? Toss it on the counter to see if it bounces?... | 9 | 4 | [
{
"comment_id": "5596949",
"author": "zaprodk",
"timestamp": "2018-12-14T22:12:41",
"content": "I was disappointed to not see the plotter actually /plot/ something …",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5597052",
"author": "CityZen",
... | 1,760,374,112.076986 | ||
https://hackaday.com/2018/12/14/arduino-powered-rocket-test-stand/ | Arduino-Powered Rocket Test Stand | Tom Nardi | [
"Arduino Hacks",
"Science"
] | [
"hx711",
"load cell",
"nichrome wire",
"Rocket Motor",
"solid rocket",
"test stand"
] | If you’re into amateur rocketry, you pretty quickly outgrow the dinky little Estes motors that they sell in the toy stores. Many hobbyists move on to building their own homebrew solid rocket motors and experimenting with propellant mixtures, but it’s difficult to know if you’re on the right track unless you have a way ... | 10 | 6 | [
{
"comment_id": "5596661",
"author": "joelfinkle",
"timestamp": "2018-12-14T19:40:53",
"content": "Careful on your purchases for building your own rocket motors, I’ve seen reports that it can attract unwanted Homeland Security attention.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,112.28306 | ||
https://hackaday.com/2018/12/14/scott-swaaley-on-high-voltage/ | Scott Swaaley On High Voltage | Jenny List | [
"cons",
"Hackaday Columns",
"Slider",
"Tool Hacks"
] | [
"2018 Hackaday Superconference",
"ac",
"motor braking",
"Motor control",
"power",
"switching"
] | If you were to invent a time machine and transport a typical hardware hacker of the 1970s into 2018 and sit them at a bench alongside their modern counterpart, you’d expect them to be faced with a pile of new things, novel experiences, and exciting possibilities. The Internet for all, desktop computing fulfilling its p... | 29 | 9 | [
{
"comment_id": "5596451",
"author": "jacques",
"timestamp": "2018-12-14T18:26:17",
"content": "Note, high voltage is supposed to be >1000 Vac or 1500 Vdc",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5596520",
"author": "dcfusor2015",
"time... | 1,760,374,112.23505 | ||
https://hackaday.com/2018/12/13/every-computer-deserves-a-rotary-encoder/ | Every Computer Deserves A Rotary Encoder | Tom Nardi | [
"Arduino Hacks",
"Peripherals Hacks"
] | [
"atmega32u4",
"i2c",
"neopixel ring",
"rotary encoder",
"usb hid"
] | In the era of touch screens and capacitive buttons, we’d be lying if we said we didn’t have the occasional pang of nostalgia for the good old days when interfacing with devices had a bit more
heft
to it. The physical clunk and snap of switches never seems to get old, and while you can always pick up a mechanical keyboa... | 26 | 11 | [
{
"comment_id": "5592107",
"author": "Yann Guidon / YGDES",
"timestamp": "2018-12-13T21:05:54",
"content": "Ultimate ? come on !https://www.ebay.com/sch/i.html?_nkw=100PPR+encoderI just found a 100PPR wheel for < 11€",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,374,112.769821 | ||
https://hackaday.com/2018/12/13/the-battle-between-robot-harmonica-and-machine-finger-rages-on/ | The Battle Between Robot Harmonica And Machine Finger Rages On | Lewin Day | [
"Art"
] | [
"arduino",
"art",
"art installation",
"finger"
] | When asking the question “Do humans dream of machines?”, it’s natural to think of the feverish excitement ahead of an iPhone or Playstation launch, followed by lines around the block of enthusiastic campers, eager to get their hands on the latest hardware as soon as is humanly possible. However,
it’s also the title of ... | 12 | 7 | [
{
"comment_id": "5591901",
"author": "chuck",
"timestamp": "2018-12-13T20:03:03",
"content": "you know it’s art when it’s posted on vimeo.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5592836",
"author": "three_d_dave",
"timestamp": "2018-1... | 1,760,374,112.429076 | ||
https://hackaday.com/2018/12/13/jeremy-hong-weaponizing-the-radio-spectrum/ | Jeremy Hong: Weaponizing The Radio Spectrum | Dan Maloney | [
"cons",
"Hackaday Columns",
"Radio Hacks",
"Security Hacks"
] | [
"2018 Hackaday Superconference",
"cellular",
"countermeasures",
"electronic warfare",
"ELINT",
"gps",
"jamming",
"radar",
"RF",
"spoofing"
] | Jeremy Hong knows a secret or two about things you shouldn’t do with radio frequency (RF), but he’s not sharing.
That seems an odd foundation upon which to build one’s 2018 Hackaday Superconference talk, but it’s for good reason. Jeremy knows how to do things like build GPS and radar jammers, which are federal crimes. ... | 52 | 13 | [
{
"comment_id": "5591394",
"author": "nsayer",
"timestamp": "2018-12-13T18:13:36",
"content": "Many jurisdictions that outlaw radar detectors exempt amateur radio operators because the bands are dually allocated.This is an excellent workaround for a detector ban, if available.",
"parent_id": nul... | 1,760,374,112.380153 | ||
https://hackaday.com/2018/12/13/tiny-art-etched-into-silicon-wafers-with-electron-beam-lithography/ | Tiny Art Etched Into Silicon Wafers With Electron Beam Lithography | Dan Maloney | [
"Misc Hacks"
] | [
"electron-beam lithography",
"fab lab",
"grbl",
"photoresist",
"silicon",
"wafer"
] | Looks like [Sam Zeloof] got bored on his Thanksgiving break, and things got a little weird in his garage. Of course when your garage contains a scanning electron microscope, the definition of weird can include
experimenting with electron-beam lithography
, resulting in tiny images etched into silicon.
You’ll probably r... | 17 | 8 | [
{
"comment_id": "5591312",
"author": "Dave Zucker",
"timestamp": "2018-12-13T17:16:40",
"content": "Similar, although a different substrate:http://www.cmarcelo.com/sandcastles/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5591319",
"author": "human",
... | 1,760,374,112.482003 | ||
https://hackaday.com/2018/12/13/risc-v-will-stop-hackers-dead-from-getting-into-your-computer/ | RISC-V Will Stop Hackers Dead From Getting Into Your Computer | Brian Benchoff | [
"computer hacks",
"Featured",
"Interest",
"News",
"Original Art"
] | [
"enclave",
"encryption",
"RISC-V",
"secure enclave",
"SEP",
"SGX",
"silicon design"
] | The greatest hardware hacks of all time were simply the result of finding software keys in memory. The AACS encryption debacle — the 09 F9 key that allowed us to decrypt HD DVDs — was the result of encryption keys just sitting in main memory, where it could be read by any other program. DeCSS, the hack that gave us all... | 35 | 14 | [
{
"comment_id": "5591182",
"author": "Ostracus",
"timestamp": "2018-12-13T15:28:04",
"content": "A step above a TPM.“..and security through obscurity does not work at all.”Security can be a delaying tactic till the information is no longer useful.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,374,112.704911 | ||
https://hackaday.com/2018/12/13/ben-krasnow-builds-a-one-component-interferometer/ | [Ben Krasnow] Builds A One-Component Interferometer | Dan Maloney | [
"Laser Hacks"
] | [
"laser",
"laser diode",
"Laser Interferometry",
"photodiode",
"range",
"vibration"
] | When we think of physics experiments, we tend to envision cavernous rooms filled with things like optical benches, huge coils in vacuum chambers, and rack after rack of amplifiers and data acquisition hardware. But it doesn’t have to be that way – you can actually
perform laser interferometry with a single component
an... | 32 | 11 | [
{
"comment_id": "5591050",
"author": "deralchemist",
"timestamp": "2018-12-13T12:06:33",
"content": "That is truly amazing. Ben is a genius. How does he come up with all these ideas?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5591095",
"author": ... | 1,760,374,112.552892 | ||
https://hackaday.com/2018/12/13/icebreaker-the-open-source-development-board-for-fpgas/ | ICEBreaker, The Open Source Development Board For FPGAs | Brian Benchoff | [
"Crowd Funding",
"FPGA"
] | [
"crowdfunding",
"FOGA",
"ice",
"iCE40",
"icebreaker"
] | The Hackaday Superconference is over, which is a shame, but one of the great things about our conference is the people who manage to trek out to Pasadena every year to show us all the cool stuff they’re working on. One of those people was [Piotr Esden-Tempski], founder of 1 Bit Squared, and he brought some goodies that... | 40 | 8 | [
{
"comment_id": "5590959",
"author": "TonySpark",
"timestamp": "2018-12-13T09:26:28",
"content": "Wow, Rickrolled just on the beginning of the post! XD",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5591031",
"author": "Cyk",
"timestamp": "2018-12-13T1... | 1,760,374,112.628129 | ||
https://hackaday.com/2018/12/12/stovetop-milk-steamer-is-beautiful-effective/ | Stovetop Milk Steamer Is Beautiful, Effective | Lewin Day | [
"home hacks"
] | [
"coffee",
"latte",
"milk steamer",
"moka",
"moka pot"
] | The Moka pot is an industrial design classic, hailing from Italy in the early part of the 20th century. To this day, it remains an excellent way to brew top quality coffee at home with affordable equipment. However, if your tastes for coffee lie more towards lattes than espresso, you’re out of luck –
unless you’ve got ... | 26 | 12 | [
{
"comment_id": "5589931",
"author": "Micha",
"timestamp": "2018-12-13T06:11:52",
"content": "It needs a pressure gauge. And not sure, but is this design for lefthanded guys?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5590432",
"author": "Jan",
... | 1,760,374,112.83912 | ||
https://hackaday.com/2018/12/12/cyborg-or-leafy-sensor-array/ | Cyborg, Or Leafy Sensor Array? | Brian McEvoy | [
"green hacks",
"Solar Hacks"
] | [
"augment",
"biology",
"biotech",
"cyborg",
"electrochemical",
"gardening",
"interfaces",
"light",
"plant",
"robot",
"sensor",
"solar",
"UX"
] | Some plants react quickly enough for our senses to notice, such as a Venus flytrap or mimosa pudica. Most of the time, we need time-lapse photography at a minimum to notice while more exotic sensors can measure things like microscopic pores opening and closing. As with any sensor reading, those measurements can be turn... | 17 | 5 | [
{
"comment_id": "5589719",
"author": "Ostracus",
"timestamp": "2018-12-13T01:40:02",
"content": "“Some plants react quickly enough for our senses to notice, such as a Venus flytrap or mimosa pudica. Most of the time, we need time-lapse photography at a minimum to notice while more exotic sensors can... | 1,760,374,112.896982 | ||
https://hackaday.com/2018/12/12/intel-announces-faster-processor-patched-for-meltdown-and-spectre/ | Intel Announces Faster Processor Patched For Meltdown And Spectre | Inderpreet Singh | [
"News"
] | [
"archutecutre",
"ice lake",
"intel",
"sunny cove"
] | Intel just
announced their new Sunny Cove Architecture
that comes with a lot of new bells and whistles. The Intel processor line-up has been based off the Skylake architecture since 2015, so the new architecture is a fresh breath for the world’s largest chip maker. They’ve been in the limelight this year with hardware ... | 89 | 16 | [
{
"comment_id": "5589323",
"author": "Paul Stoffregen",
"timestamp": "2018-12-12T22:34:17",
"content": "I hope we see more “sunny” names that mock cloud computing",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5589730",
"author": "Nathan McCorkle",
... | 1,760,374,113.020603 | ||
https://hackaday.com/2018/12/12/electric-drift-trike-needs-water-cooling/ | Electric Drift Trike Needs Water Cooling | Bryan Cockfield | [
"Transportation Hacks"
] | [
"bicycle",
"bike",
"brushless",
"dc motor",
"drift",
"electric",
"lithium",
"torque",
"tricycle",
"trike"
] | Electric vehicles of all types are quickly hitting the market as people realize how inexpensive they can be to operate compared to traditional modes of transportation. From cars and trucks, to smaller vehicles such as bicycles and even electric boats, there’s a lot to be said for simplicity, ease of use, and efficiency... | 10 | 6 | [
{
"comment_id": "5589268",
"author": "Ren",
"timestamp": "2018-12-12T21:34:43",
"content": "Looks like fun!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5589269",
"author": "Eric Cherry",
"timestamp": "2018-12-12T21:35:02",
"content": "I’m from A... | 1,760,374,113.067277 | ||
https://hackaday.com/2018/12/12/soft-rotating-pneumatic-actuators/ | Soft Rotating Pneumatic Actuators | Lewin Day | [
"Robots Hacks"
] | [
"air",
"pneumatic",
"research",
"robot",
"soft robotics"
] | When we think of pneumatic actuators, we typically consider the standard varieties of pneumatic cylinder, capable of linear motion. These can be referred to as “hard” actuators, made of rigid components and capable of great accuracy and force delivery. However, “soft” actuators have their own complementary abilities – ... | 11 | 5 | [
{
"comment_id": "5589097",
"author": "Ostracus",
"timestamp": "2018-12-12T19:36:29",
"content": "” However, “soft” actuators have their own complementary abilities – such as being able to handle more delicate tasks and being less likely to injure human operators when used in collaborative operations... | 1,760,374,113.222832 | ||
https://hackaday.com/2018/12/12/how-to-stay-grounded-when-you-have-zero-potential/ | How To Stay Grounded When You Have Zero Potential | Brian Benchoff | [
"cons",
"Slider"
] | [
"2018 Hackaday Superconference",
"Erika Earl",
"Ground",
"ground loops",
"ground potential"
] | Ground is an interesting topic when it comes to engineering. Either it’s the reference level for a digital circuit (not necessarily at zero volts, either), or it’s the return path for current, or it’s the metal chassis, which
shouldn’t
be the return path for current or else something’s terribly broken.
Erika Earl’s tal... | 100 | 20 | [
{
"comment_id": "5588926",
"author": "Ren",
"timestamp": "2018-12-12T18:06:16",
"content": "Well that’s a video you could 50 seconds off the start.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5588928",
"author": "Ren",
"timestamp": "2018-1... | 1,760,374,113.588773 | ||
https://hackaday.com/2018/12/12/my-oscilloscope-uses-fire/ | My Oscilloscope Uses Fire | Al Williams | [
"Misc Hacks"
] | [
"fire",
"gas",
"oscilloscope",
"rubens tube",
"sound",
"theremin"
] | If you want to visualize sound waves, you reach for your oscilloscope, right? That wasn’t an option in 1905 so physicist [Heinrich Rubens] came up with another way involving flames. [Luke Guigliano] and [Will Peterson] built one of these tubes — known as a Rubens’ tube — and will show you how
you can, too
. You can see... | 16 | 9 | [
{
"comment_id": "5588724",
"author": "Richard",
"timestamp": "2018-12-12T16:49:11",
"content": "I saw this idea in Nigel Stanfordd’s video Cymaticshttps://youtu.be/Q3oItpVa9fs",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5589169",
"author": "jacque... | 1,760,374,113.448893 |
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