url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2019/05/26/radio-controlled-wheelbarrows-tear-up-the-track/ | Radio Controlled Wheelbarrows Tear Up The Track | Lewin Day | [
"classic hacks"
] | [
"radio control",
"rc",
"wheelbarrow"
] | The wheelbarrow is a trusty companion to the gardening set, helping move heavy loads to and fro. [James Bruton] has an active imagination however,
deciding to build a motorized racing barrow, and challenging his friends to do the same (Youtube link, embedded below).
[James] went with a straightforward design, fitting t... | 5 | 4 | [
{
"comment_id": "6151844",
"author": "Len",
"timestamp": "2019-05-26T16:00:21",
"content": "More proof that people will race anything! Cavemen probably raced rocks down hills, and for all we know the first multi-celled creatures bred “racing amoebas”.",
"parent_id": null,
"depth": 1,
"re... | 1,760,373,905.636801 | ||
https://hackaday.com/2019/05/26/diy-vactrols-give-midi-controlled-video-distortion/ | DIY Vactrols Give MIDI-Controlled Video Distortion | Dan Maloney | [
"Musical Hacks",
"Video Hacks"
] | [
"distortion",
"effect",
"ldr",
"midi",
"photoresistor",
"Sparkfun Pro Micro",
"vactrol",
"video"
] | It’s one thing to assemble your own circuits from scratch using off the shelf components. It’s quite another to build the components first, and then build the circuit.
That’s the path [Joris Wegner] took with
this video distortion effects box
, dubbed PHOSPHOR. One might wonder why you’d want a box that makes a video s... | 2 | 2 | [
{
"comment_id": "6151828",
"author": "Jacob and Nathan",
"timestamp": "2019-05-26T11:04:06",
"content": "Wow cool! Do you know how long it took Joris Wegner?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6151855",
"author": "Alexander Wikström",
"time... | 1,760,373,905.992247 | ||
https://hackaday.com/2019/05/26/custom-electric-motorcycle-packs-6-kw/ | Custom Electric Motorcycle Packs 6 KW | Bryan Cockfield | [
"Transportation Hacks"
] | [
"battery",
"bicycle",
"custom",
"dirt bike",
"electric motorcycle",
"hub motor"
] | If you only need to travel at around 25 mph around town or to get a short distance to work, an electric bicycle might just be the best thing you can ride. It’s cheap, quick, and fun, and sometimes a great way to get some exercise too. If you want to dial up the amount of excitement, though, you’re going to want somethi... | 17 | 7 | [
{
"comment_id": "6151808",
"author": "Mike Massen",
"timestamp": "2019-05-26T08:25:52",
"content": "Yay, how many high density Li-Ions can one pack safely in any bike or motorcycle frame ?Thanks",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6151822",
... | 1,760,373,905.945944 | ||
https://hackaday.com/2019/05/25/microphones-listen-to-your-monitor/ | Microphones Listen To Your… Monitor? | Al Williams | [
"Security Hacks"
] | [
"cybersecurity",
"eavesdrop",
"eavesdropping",
"van eck"
] | A song by Rockwell, “Somebody’s Watching Me” might be the anthem for the tin foil hat crowd. But a new paper reveals that it might be just as scary to have someone listening to you. Researchers have used common
microphones to listen in on computer monitors
. The demonstration includes analyzing audio to determine input... | 12 | 3 | [
{
"comment_id": "6151789",
"author": "jaap",
"timestamp": "2019-05-26T05:49:56",
"content": "The set-up of this experiment looks suspicious to me. What is stopping the microphone and it’s long cable from picking up the monitor EMI, instead of just the monitor sound?",
"parent_id": null,
"dep... | 1,760,373,905.892403 | ||
https://hackaday.com/2019/05/25/humanizing-industrial-robots-by-sticking-a-jibo-on-top/ | Humanizing Industrial Robots By Sticking A Jibo On Top | Lewin Day | [
"Robots Hacks"
] | [
"companion",
"companion robot",
"jibo",
"robot",
"robot arm",
"robot companion"
] | A great many robots exist in our modern world, and the vast majority of them are highly specialized machines. They do a job, and they do it well, but they don’t have much of a personality. [Guilherme Martins] was working on a fun project to build a robot arm that could create chocolate artworks, but it needed something... | 5 | 3 | [
{
"comment_id": "6151823",
"author": "Saabman",
"timestamp": "2019-05-26T10:22:13",
"content": "Eek looks like it belongs in a horror movie the rolling motion gives the feeling that the “head” has been detached from the “body”",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,905.733826 | ||
https://hackaday.com/2019/05/25/a-laser-aiming-module-for-first-person-hacking/ | A Laser Aiming Module For First Person Hacking | Tom Nardi | [
"Laser Hacks",
"Video Hacks"
] | [
"3D printed parts",
"aiming",
"GoPro",
"laser"
] | You’ve perhaps noticed that [Jeremy Cook] is rather prolific on YouTube, regularly putting out videos on his latest and greatest creations. He wanted to add a head-mounted GoPro to his video production bag of tricks, but found it was a little trickier than expected to get the camera to point where he was actually looki... | 16 | 9 | [
{
"comment_id": "6151760",
"author": "Jeremy S. Cook",
"timestamp": "2019-05-25T23:41:14",
"content": "Thanks so much for the great writeup Tom!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6151764",
"author": "Michael Colton",
"timestamp": "2019-05-... | 1,760,373,905.689173 | ||
https://hackaday.com/2019/05/25/little-lamp-to-learn-longer-leaps/ | Little Lamp To Learn Longer Leaps | Roger Cheng | [
"Robots Hacks"
] | [
"bamf",
"Bay Area Maker Faire 2019",
"Luxo",
"luxo jr.",
"machine learning",
"Maker Faire Bay Area",
"PCA9685",
"pixar",
"pixar lamp",
"reinforcement learning",
"Robot Operating System",
"ros"
] | Reinforcement learning is a subset of machine learning where the machine is scored on their performance (“evaluation function”). Over the course of a training session, behavior that improved final score is positively reinforced gradually building towards an optimal solution. [Dheera Venkatraman] thought it would be fun... | 3 | 2 | [
{
"comment_id": "6151726",
"author": "Ostracus",
"timestamp": "2019-05-25T20:22:16",
"content": "https://www.humblebundle.com/books/artificial-intelligence-deep-learning-books?Ending most likely Monday. Reinforcement learning with Python should be interesting.",
"parent_id": null,
"depth": 1... | 1,760,373,905.5009 | ||
https://hackaday.com/2019/05/25/one-legged-robot-does-the-hop/ | One-Legged Robot Does The Hop | Al Williams | [
"Robots Hacks"
] | [
"hop",
"jump",
"Kangaroo",
"leap",
"robot",
"saltatorial"
] | At first, we thought this robot was like a rabbit until we realized rabbits have a 300% bonus in the leg department.
SALTO
— a robot from [Justin Yim], [Eric Wang], and [Ronald Fearing] only has one leg but gets around quite well hopping from place to place. If you can’t picture it, the video below will make it very ob... | 19 | 16 | [
{
"comment_id": "6151699",
"author": "keithfromcanada",
"timestamp": "2019-05-25T18:17:25",
"content": "Mount a frag grenade on that and you’ll have a Bouncing Bettythat will hunt you down!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6151762",
"au... | 1,760,373,905.78865 | ||
https://hackaday.com/2019/05/25/build-a-sheet-metal-brake-with-no-welding-required/ | Build A Sheet Metal Brake With No Welding Required | Lewin Day | [
"Tool Hacks"
] | [
"metalwork",
"metalworking",
"sheet metal"
] | Sometimes, there’s a job to be done and the required tools don’t fall easily to hand. [Bob] found himself in just such a position, needing to get some window flashing made up despite lacking a sheet metal brake. After waiting far too long for someone else to do the job,
[Bob] elected to simply make the tools and do it ... | 15 | 8 | [
{
"comment_id": "6151671",
"author": "David Given",
"timestamp": "2019-05-25T14:47:34",
"content": "Break or brake?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6151678",
"author": "mythoughts62",
"timestamp": "2019-05-25T15:15:53",
... | 1,760,373,905.842442 | ||
https://hackaday.com/2019/05/25/back-to-basics-with-an-arduino-and-an-eeprom/ | Back To Basics With An Arduino And An EEPROM | Jenny List | [
"Parts"
] | [
"arduino",
"eeprom",
"i2c",
"i2c eeprom"
] | There are plenty of techniques and components that we use in our everyday hardware work, for which their connection and coding is almost a done deal. We are familiar with them and have used them before, so we drop them in without a second thought. But what about the first time we used them, we had to learn somewhere, r... | 19 | 7 | [
{
"comment_id": "6151638",
"author": "mkarliner",
"timestamp": "2019-05-25T11:18:19",
"content": "Err, I may be stupid, but doesn’t the Mega have onboard EEPROM?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6151668",
"author": "DainBramage",
... | 1,760,373,906.04873 | ||
https://hackaday.com/2019/05/25/a-sonoff-switch-repurposed-as-a-thermostat/ | A Sonoff Switch Repurposed As A Thermostat | Jenny List | [
"home hacks"
] | [
"ESP8266",
"sonoff",
"thermostat"
] | Underfloor heating is a wonderfully luxurious touch for a bedroom and en-suite bathroom, and [Andy] had it fitted so that he could experience the joy of walking on a toasty-warm floor in the morning. Unfortunately after about a year it stopped working and the culprit proved to be its thermostat. A replacement was eye-w... | 14 | 4 | [
{
"comment_id": "6151628",
"author": "Ian",
"timestamp": "2019-05-25T09:01:49",
"content": "“Underfloor heating is a wonderfully luxurious touch for a bedroom and en-suite bathroom”Not where I live it isn’t!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "61... | 1,760,373,906.272929 | ||
https://hackaday.com/2019/05/22/windows-utility-helps-id-serial-ports/ | Windows Utility Helps ID Serial Ports | Lewin Day | [
"classic hacks"
] | [
"COM port",
"serial",
"serial port",
"windows"
] | The humble serial interface has been around for a very long time, and will stay with us in one form or other for the foreseeable future. It was easy enough to keep track of back in the days when a computer only had one, or perhaps two COM ports. However, in this day and age of USB-programmable microcontrollers, it’s li... | 51 | 15 | [
{
"comment_id": "6151190",
"author": "Mike Massen",
"timestamp": "2019-05-23T05:13:43",
"content": "Cool, worth a look, small neat programs easily carried on my admin usb key chain, thanks for post",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6151191",
"... | 1,760,373,906.537302 | ||
https://hackaday.com/2019/05/22/wolfram-engine-now-free-sort-of/ | Wolfram Engine Now Free… Sort Of | Al Williams | [
"News",
"Software Development"
] | [
"math",
"mathematica",
"mathematics",
"Wolfram"
] | You’ve probably used Wolfram Alpha and maybe even used the company’s desktop software for high-powered math such as Mathematica. One of the interesting things about all of Wolfram’s mathematics software is that it shares a common core engine — the Wolfram Engine. As of this month, the company is
allowing free use of th... | 8 | 4 | [
{
"comment_id": "6151172",
"author": "Jon H",
"timestamp": "2019-05-23T02:12:18",
"content": "You could use the full Mathematica GUI notebook interface on Raspberry Pi to figure out how to do what you want to do, with a scaled-down set of input data, and then use Wolfram Engine on a more powerful co... | 1,760,373,907.977388 | ||
https://hackaday.com/2019/05/22/playing-nes-games-on-an-industrial-el-display/ | Playing NES Games On An Industrial EL Display | Lewin Day | [
"Nintendo Hacks"
] | [
"EL display",
"electroluminescence",
"electroluminescent",
"electroluminescent display",
"nes",
"nintendo",
"Nintendo Entertainment System"
] | Modern consoles are fun, but there are certain charms to retro gear that keep hackers entertained to this day. The original NES is a particularly ripe ground for projects, being one of the most popular consoles of its era. [kevtris] is one such Nintendo hacker,
and decided to get NES games running on an old-school elec... | 8 | 6 | [
{
"comment_id": "6151167",
"author": "Hirudinea",
"timestamp": "2019-05-23T00:46:24",
"content": "That’s a hell of a lot of work to give Mario jaundice!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6151202",
"author": "darkspr1te",
"timestamp": "2019... | 1,760,373,907.818241 | ||
https://hackaday.com/2019/05/22/dummy-security-camera-is-smarter-than-it-looks/ | Dummy Security Camera Is Smarter Than It Looks | Tom Nardi | [
"Microcontrollers",
"Security Hacks"
] | [
"3D printed parts",
"dummy camera",
"motion sensor",
"pir",
"PIR sensor",
"wemos d1 mini"
] | The idea behind a dummy security camera is that people who are up to no good might think twice about doing anything to your property when they think they’re being recorded. Obviously a
real
security camera would be even better, but sometimes that’s just not economically or logistically possible. Admittedly they’re not ... | 13 | 7 | [
{
"comment_id": "6151136",
"author": "smerrett79",
"timestamp": "2019-05-22T20:59:27",
"content": "I’d love to know what material that window on the front is made from, covering the PIR lens. Not many materials are optically clear and also transmit LWIR.",
"parent_id": null,
"depth": 1,
... | 1,760,373,907.87657 | ||
https://hackaday.com/2019/05/22/modern-evolution-of-the-classic-water-rocket/ | Modern Evolution Of The Classic Water Rocket | Tom Nardi | [
"classic hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"air-water rocket",
"Bluefruit",
"STEM education",
"water rocket"
] | Whether it was home-built from scraps or one of the various commercial versions that have popped over up over the years, there’s an excellent chance that the average Hackaday reader spent at least a couple of their more formative summers flying water rockets. You might not have realized it at the time, but with shirt s... | 4 | 4 | [
{
"comment_id": "6151180",
"author": "Gregg Eshelman",
"timestamp": "2019-05-23T02:30:12",
"content": "Shasta downsizing their 3 liter bottles to 2.5 liter was likely not welcomed at all in the water rocket community.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,373,907.922326 | ||
https://hackaday.com/2019/05/22/from-dirt-to-space-backyard-iron-smelting-hackerspace-style/ | From Dirt To Space, Backyard Iron Smelting Hackerspace Style | Jenny List | [
"Hackaday Columns",
"Hackerspaces",
"Interest",
"Skills"
] | [
"blasr furnace",
"dirt to space",
"iron",
"smelting"
] | When I went to a hacker camp in the Netherlands in February I was expecting to spend a few days in a comfortable venue with a bunch of friends, drink some beer, see a chiptune gig, and say “Ooh!” a lot at the exciting projects people brought along. I did all of those things, but I also opened the door to something unex... | 21 | 10 | [
{
"comment_id": "6151091",
"author": "jgjtpw",
"timestamp": "2019-05-22T17:11:27",
"content": "I loved watching it from the sideline, was an interesting sight to see. Too bad it did not turn out the way they hoped to be.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,373,908.282481 | ||
https://hackaday.com/2019/05/22/a-very-modern-flying-spot-scanner/ | A Very Modern Flying Spot Scanner | Jenny List | [
"Video Hacks"
] | [
"camera",
"flying spot scanner",
"niklas roy"
] | Analogue TV signals are a beautiful exercise in order and synchronisation, in that as the white dot on your old CRT TV back in the day traced its way across the glass it would have been doing so in faithful obedience to the corresponding electron beam in the camera at the studio. But a camera with a lens and light-sens... | 16 | 3 | [
{
"comment_id": "6151066",
"author": "RunnerPack",
"timestamp": "2019-05-22T15:52:37",
"content": "Overkill… Needs a Nipkow disk!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6151089",
"author": "Niklas Roy",
"timestamp": "2019-05-22T17:07:... | 1,760,373,908.336358 | ||
https://hackaday.com/2019/05/24/your-own-milliohm-meter/ | Your Own Milliohm Meter | Al Williams | [
"Tool Hacks"
] | [
"milliohm measurement",
"milliOHM meter",
"resistance"
] | We like to pretend that wires are perfect all the time. For the most part that’s acceptable, but sometimes you really do care about those tiny fractional ohm quantities. Unfortunately though, most meters won’t read very low values. There are tricks you can use to achieve that aim, such as measuring low currents through... | 34 | 13 | [
{
"comment_id": "6151610",
"author": "Daren Schwenke",
"timestamp": "2019-05-25T05:08:22",
"content": "This could be very useful, is very cheap to build, and I have all the parts right now. Great hack!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6151612",
... | 1,760,373,908.051877 | ||
https://hackaday.com/2019/05/24/piezoelectric-crystals-explained/ | Piezoelectric Crystals Explained | Al Williams | [
"Science"
] | [
"piezo",
"piezo effect",
"quartz crystal"
] | Summer in the Northern hemisphere means outdoor cooking. Matches are old school, and you are more likely to use a piezoelectric lighter to start your grill. [Steve Mould] has one, but he didn’t understand the physics behind why it works, so he decided to
do the research and share it in a video
.
The first two minutes i... | 25 | 5 | [
{
"comment_id": "6151600",
"author": "echodelta",
"timestamp": "2019-05-25T02:43:38",
"content": "Peanut butter lids? They sell PB like pot? Technical words breakdown. Do you mean jar lids?Only one watch ever used a tuning fork that I know of, Accutron. It was quickly passed by for quartz.",
"pa... | 1,760,373,908.114723 | ||
https://hackaday.com/2019/05/24/cncing-an-x-acto-knife-holder/ | CNCing An X-Acto Knife Holder | Lewin Day | [
"Tool Hacks"
] | [
"cnc",
"knife",
"xacto handle"
] | X-acto knives are popular as the scalpel of the craft world. Obviously, holders for the blades are available off-the-shelf, but you needn’t settle for store bought.
[Ariel Yahni] set about making an X-acto handle of their own
, and it shows just how quick and easy making your own tools can be.
The blades are first meas... | 22 | 10 | [
{
"comment_id": "6151577",
"author": "Jeff Faust",
"timestamp": "2019-05-24T23:03:40",
"content": "Is there an antonym for “ergonomic?”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6151579",
"author": "RW ver 0.0.1",
"timestamp": "2019-05-2... | 1,760,373,908.397567 | ||
https://hackaday.com/2019/05/24/new-part-day-a-64-bit-risc-v-cpu-in-raspberry-pi-hat-form/ | New Part Day: A 64-Bit RISC-V CPU In Raspberry Pi Hat Form | Brian Benchoff | [
"Hackaday Columns",
"Slider"
] | [
"New Part Day",
"RISC-V",
"Sipeed"
] | Over the last few years the open-source RISC-V microprocessor has moved from existing only on FPGAs into real silicon, and right now you can buy a RISC-V microcontroller with all the bells and whistles you would ever want. There’s an interesting chip from China called the Sipeed M1 that features a dual-core RISC-V core... | 30 | 14 | [
{
"comment_id": "6151553",
"author": "Ren",
"timestamp": "2019-05-24T20:26:09",
"content": "Sounds nice, I pre-ordered.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6151555",
"author": "Ostracus",
"timestamp": "2019-05-24T20:56:51",
"content": "”... | 1,760,373,908.948584 | ||
https://hackaday.com/2019/05/24/eurorack-synth-module-runs-on-esp32/ | Eurorack Synth Module Runs On ESP32 | Lewin Day | [
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"ESP32",
"synth",
"synthesizer"
] | The ESP32 is well known for both its wireless communication abilities, as well as the serious amount of processing power it possesses for a microcontroller platform.
[Robert Manzke] has leveraged the hardware to produce a Eurorack audio synthesis platform with some serious capabilities.
Starting out as a benchmarking p... | 8 | 6 | [
{
"comment_id": "6151571",
"author": "FuzzyOne",
"timestamp": "2019-05-24T22:23:19",
"content": "God damn awesome!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6151584",
"author": "Ken N",
"timestamp": "2019-05-24T23:26:54",
"content": "Outstandi... | 1,760,373,909.850724 | ||
https://hackaday.com/2019/05/24/great-hacks-at-our-maker-faire-bay-area-meetup-from-helmets-and-goggles-to-rovers-and-string/ | Great Hacks At Our Maker Faire Bay Area Meetup; From Helmets And Goggles To Rovers And String | Roger Cheng | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"bamf",
"Bay Area maker faire",
"Bay Area Maker Faire 2019",
"Hackaday Meetup",
"Hackaday Meetups",
"kickstarter",
"maker faire",
"meetup",
"meetups",
"MFBA",
"Tindie Meetup"
] | When Maker Faire Bay Area closed down early Saturday evening, the fun did not stop: there’s a strong pool of night owls among the maker demographic. When the gates close, the after-parties around San Mateo run late into the night, and Hackaday’s meetup is a strong favorite.
This year Hackaday and Tindie joined forces w... | 5 | 3 | [
{
"comment_id": "6151531",
"author": "spiritplumber",
"timestamp": "2019-05-24T17:10:16",
"content": "The after party meetups should be a bit better advertised, we missed it :(",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6151548",
"author": "Roger... | 1,760,373,909.983456 | ||
https://hackaday.com/2019/05/24/hackaday-podcast-020-slaying-the-dragon-of-el-siege-weapon-physics-dis-entangled-charlieplex-laser-internet/ | Hackaday Podcast 020: Slaying The Dragon Of EL, Siege Weapon Physics, Dis-entangled Charlieplex, Laser Internet | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"Bay Area Maker Faire 2019",
"ben krasnow",
"Hackaday Podcast",
"Maker Faire Bay Area"
] | Join editors Elliot Williams and Mike Szczys as they unpack all the great hacks we’ve seen this week. On this episode we’re talking about laser Internet delivered from space, unwrapping the complexity of Charlieplexed circuits, and decapping ICs both to learn more about them and to do it safely at home. We have some fu... | 0 | 0 | [] | 1,760,373,909.90663 | ||
https://hackaday.com/2019/05/24/a-stylish-pair-of-fpga-earrings/ | A Stylish Pair Of FPGA Earrings | Lewin Day | [
"FPGA",
"Wearable Hacks"
] | [
"earrings",
"fpga",
"jewelry"
] | Sometimes, rather than going the commercialistic route, it can be nice to make a gift for that personal touch. [Mahesh Venkitachalam] had been down this very road before, often stumbling over that common hurdle of getting in too deep and missing the deadline of the occasion entirely. Not eager to repeat the mistake, he... | 7 | 5 | [
{
"comment_id": "6151601",
"author": "Ren",
"timestamp": "2019-05-25T03:20:43",
"content": "Cool, but would my wife wear them?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6151646",
"author": "onetruegod",
"timestamp": "2019-05-25T12:27:33"... | 1,760,373,910.029211 | ||
https://hackaday.com/2019/05/24/3d-printering-the-past-and-future-of-prusas-slicer/ | 3D Printering: The Past And Future Of Prusa’s Slicer | Tom Nardi | [
"3d Printer hacks",
"Featured",
"Slider",
"Software Hacks"
] | [
"3d printing",
"g-code",
"perl",
"prusa",
"PrusaControl",
"PrusaSlicer",
"slic3r",
"slicer",
"stl"
] | If you own a desktop 3D printer, you’re almost certainly familiar with Slic3r. Even if the name doesn’t ring a bell, there’s an excellent chance that a program you’ve used to convert STLs into the G-code your printer can understand was using Slic3r behind the scenes in some capacity. While there have been the occasiona... | 41 | 10 | [
{
"comment_id": "6151490",
"author": "CMH62",
"timestamp": "2019-05-24T14:27:23",
"content": "Love reading articles like this. Haven’t dived into the 3D printing world yet but appreciate being able to stay up on what’s going on in this space.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,373,910.117171 | ||
https://hackaday.com/2019/05/24/feather-plus-blackberry-equals-open-source-fauxberry/ | Feather Plus Blackberry Equals Open Source Fauxberry | Brian Benchoff | [
"Microcontrollers"
] | [] | The keyboard is a superior means of input, but to date no one has really figured out how to make a keyboard for small, handheld electronics. You could use tact switches, but that’s annoying, or you could use a touch screen. The best option we’ve seen is actually a Blackberry keyboard, and [arturo182]
has the best examp... | 16 | 6 | [
{
"comment_id": "6151453",
"author": "Andy Pugh",
"timestamp": "2019-05-24T11:16:58",
"content": "” to date no one has really figured out how to make a keyboard for small, handheld electronics.”Apart from Psion?(And Planet. Have you seen the Gemini?)",
"parent_id": null,
"depth": 1,
"rep... | 1,760,373,910.303253 | ||
https://hackaday.com/2019/05/24/better-simulators-with-homemade-potentiometers/ | Better Simulators With Homemade Potentiometers | Bryan Cockfield | [
"Tool Hacks"
] | [
"dial",
"hall effect",
"input",
"potentiometer",
"programmable",
"sensor",
"simulator"
] | Perhaps you’ve played a flight simulator before, using something like a mouse and keyboard. That’s a fine experience, but like any other activity you can get a lot more out of it if you put a little more effort into the experience. Some will upgrade to a joystick for a modest improvement, and others will build incredib... | 22 | 6 | [
{
"comment_id": "6151420",
"author": "someguy",
"timestamp": "2019-05-24T08:11:52",
"content": "“and interacts with a digital input”what?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6151424",
"author": "deeds",
"timestamp": "2019-05-24T08:... | 1,760,373,910.191901 | ||
https://hackaday.com/2019/05/23/pitting-8-bit-chess-games-against-modern-foes/ | Pitting 8-Bit Chess Games Against Modern Foes | Lewin Day | [
"classic hacks"
] | [
"chess",
"msx",
"ultrachess",
"universal chess interface",
"z80"
] | UltraChess is a vintage chess game for the 8-bit MSX platform, running on the Z80. [flok] wondered just how capable the game really was,
and set forth to test it against a variety of other chess engines.
Having been designed in the 1980s, UltraChess is far from up-to-date as far as the chess software world is concerned... | 19 | 13 | [
{
"comment_id": "6151409",
"author": "Magster",
"timestamp": "2019-05-24T06:38:28",
"content": "the old version of chessmaster on amiga/pc/atari st etc – will beat ones made today.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6151410",
"author": "Saabman... | 1,760,373,910.250083 | ||
https://hackaday.com/2019/05/23/easy-diy-gecko-tape/ | Easy DIY Gecko Tape | Lewin Day | [
"Science"
] | [
"gecko",
"gecko tape",
"science"
] | Geckos are amazing creatures, with the ability to walk on and stick to all manner of surfaces. If you’ve ever woken up to see lizards on your ceiling, you’re already familiar with their capabilities. The mechanisms behind this have been an area of much research in recent times, and
[The Thought Emporium] decided to try... | 7 | 6 | [
{
"comment_id": "6151390",
"author": "P",
"timestamp": "2019-05-24T02:29:40",
"content": "So much nice interdisciplinary hacking goes on at the thought emporium. I’m glad to have been introduced to him a couple years ago on a biohacking forum.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,373,910.349675 | ||
https://hackaday.com/2019/05/23/improving-a-cheap-frequency-counter-with-gps/ | Improving A Cheap Frequency Counter With GPS | Lewin Day | [
"classic hacks"
] | [
"frequency counter",
"gps",
"oscillator"
] | Frequency counters are useful tools for anyone that finds themselves regularly working with time-variant signals. There are a huge range available, from cheap eBay specials to expensive lab-grade hardware. [itakeyourphoto] had a counter on the lower end of the cost spectrum,
and decided to make some improvements with t... | 10 | 3 | [
{
"comment_id": "6151407",
"author": "mime",
"timestamp": "2019-05-24T05:52:48",
"content": "Looks like a pretty easy mod, I was half expecting you to have to slap in an Arduino or such as well.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6151415",
"aut... | 1,760,373,911.195658 | ||
https://hackaday.com/2019/05/23/student-rocket-makes-it-to-space/ | Student Rocket Makes It To Space | Al Williams | [
"News",
"Space"
] | [
"karman line",
"rocket",
"traveler iv",
"usc"
] | Where does the Earth’s atmosphere stop and space begin? It is tempting to take the approach Justice Potter Stewart did for pornography when judging a 1964 obscenity case and say “I know it when I see it.” That’s not good enough for scientists, though. The Kármán line is what the World Air Sports Federation (FAI) define... | 23 | 7 | [
{
"comment_id": "6151369",
"author": "gregg4",
"timestamp": "2019-05-23T21:34:45",
"content": "I am impressed. I know of four writers, three living, one deceased, who’d be pleased by that. Incidentally Al the Parallax forum called, they want you back.",
"parent_id": null,
"depth": 1,
"re... | 1,760,373,911.491221 | ||
https://hackaday.com/2019/05/23/go-back-in-time-with-a-laser-cut-wood-3d-printer-kit/ | Go Back In Time With A Laser Cut Wood 3D Printer Kit | Tom Nardi | [
"3d Printer hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"cheap 3D printers",
"laser cut wood",
"Makerbot Cupcake",
"printrbot"
] | About a decade ago, the only way the average hacker was getting their hands on a desktop 3D printer was by building it themselves from a kit. Even then, to keep costs down, many of these kits were made out of laser cut wood. For a few years, wooden printers from companies like MakerBot and PrintrBot were a common sight... | 15 | 5 | [
{
"comment_id": "6151379",
"author": "Ø",
"timestamp": "2019-05-23T22:40:34",
"content": "Given that there’s more” low-angle step” stepper motors on the market now, it seems obvious to go down the route of rack&pinion or similar if mechanical slack is eliminated.",
"parent_id": null,
"depth"... | 1,760,373,911.694873 | ||
https://hackaday.com/2019/05/23/hackaday-prize-mentor-session-product-engineering-with-giovanni-salinas/ | Hackaday Prize Mentor Session: Product Engineering With Giovanni Salinas | Jenny List | [
"Hackaday Columns",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"Giovanni Salinas",
"Hackaday Prize",
"Mentor Sessions",
"Mentoring",
"product development"
] | This year we’ve added something new and exciting to the Hackaday Prize mix. Mentor sessions link up hardware teams with experts from backgrounds useful in moving their product development forward. We’ve assembled a
dream team of mentors
, and today we’re excited to publish
video of the first mentor session
which you’ll... | 0 | 0 | [] | 1,760,373,911.538046 | ||
https://hackaday.com/2019/05/23/use-movie-tools-to-make-your-robot-move-like-movie-robots/ | Use Movie Tools To Make Your Robot Move Like Movie Robots | Roger Cheng | [
"Art",
"Robots Hacks"
] | [
"animation",
"animatronic",
"animatronics",
"autodesk maya",
"bamf",
"Bay Area Maker Faire 2019",
"character",
"computer animation",
"Maker Faire Bay Area",
"maya"
] | Robots of the entertainment industry are given life by character animation, where the goal is to emotionally connect with the audience to tell a story. In comparison, real-world robot movement design focus more on managing physical limitations like sensor accuracy and power management. Tools for robot control are thus ... | 6 | 3 | [
{
"comment_id": "6151311",
"author": "Matthew",
"timestamp": "2019-05-23T16:02:29",
"content": "Thank you for the shout out Hackaday! Extremely fun talking with you at Maker Faire!If people would like to learn more, we have an instagram page at the_robits, or shoot us an email atresearch@therobits.... | 1,760,373,911.805903 | ||
https://hackaday.com/2019/05/23/life-after-irc-your-move-mozilla/ | Life After IRC – Your Move, Mozilla! | Sven Gregori | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"cyber warfare",
"human interaction",
"internet relay chat",
"irc",
"lifestyle",
"mozilla",
"remembrance",
"social network",
"society"
] | Last year marked the 30th anniversary of the Internet Relay Chat protocol (IRC) and it is hard to imagine that [Jarkko Oikarinen] could have foreseen the impact his invention would one day have on the world as we know it. How it would turn from a simple, decentralized real-time communication system for university-inter... | 56 | 16 | [
{
"comment_id": "6151282",
"author": "Rog Fanther",
"timestamp": "2019-05-23T14:15:27",
"content": "I don´t see IRC as dying, yet. Since I am not involved with mozilla development, I didn´t even knew about their internal irc server. But other servers, and groups, are still with their normal attendan... | 1,760,373,911.971759 | ||
https://hackaday.com/2019/05/23/a-different-way-to-privately-chat-over-telegram/ | A Different Way To Privately Chat Over Telegram | Lewin Day | [
"classic hacks"
] | [
"encryption",
"secure messaging",
"telegram"
] | If you’ve had the need to send secure, private messages in recent times, you might have considered using Telegram. However, using such a service means that, if discovered, it’s well known what manner of encryption you’re using, and there’s a third party involved to boot. [Labunsky] walks a different path,
and built a c... | 16 | 8 | [
{
"comment_id": "6151244",
"author": "Jaycop",
"timestamp": "2019-05-23T11:45:13",
"content": "Funny enough, that might backfire if the block information is logged or otherwise unprotected the way the messages are supposed to be.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,373,911.862727 | ||
https://hackaday.com/2019/05/23/ai-enabled-teletype-live-streams-nearly-coherent-conversations/ | AI-Enabled Teletype Live Streams Nearly Coherent Conversations | Dan Maloney | [
"Retrocomputing"
] | [
"ai",
"chat bot",
"model",
"model 33ASR",
"openai",
"teleprinter",
"teletype",
"training",
"twitch"
] | If you’ve got a working Model 33 Teletype, every project starts to look like an excuse to use it. While the hammering, whirring symphony of a teleprinter going full tilt brings to mind a simpler time of room-sized computers and 300 baud connections, it turns out that
a Teletype makes a decent AI conversationalist
, wit... | 17 | 8 | [
{
"comment_id": "6151235",
"author": "felixwp",
"timestamp": "2019-05-23T10:42:39",
"content": "This is the quietest ASR-33 I’ve ever heard! Is it in some kind of sound proof room?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6151305",
"author": "H... | 1,760,373,911.753983 | ||
https://hackaday.com/2019/05/22/zork-and-the-z-machine-bringing-the-mainframe-to-8-bit-home-computers/ | Zork And The Z-Machine: Bringing The Mainframe To 8-bit Home Computers | Maya Posch | [
"classic hacks",
"Featured",
"History",
"Interest",
"Original Art",
"Retrocomputing",
"Slider"
] | [
"arpa",
"arpanet",
"colossal cave adventure",
"infocom",
"mdl",
"mit",
"personal software",
"text adventure game",
"z-machine",
"zil",
"zork"
] | Computer games have been around about as long as computers have. And though it may be hard to believe, Zork, a text-based adventure game, was the Fortnite of its time. But Zork is more than that. For portability and size reasons, Zork itself is written in Zork Implementation Language (ZIL), makes heavy use of the brand... | 30 | 16 | [
{
"comment_id": "6151047",
"author": "Ren",
"timestamp": "2019-05-22T14:18:49",
"content": "I never played Zork, but this is an interesting story!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6151126",
"author": "Erik Camarada",
"timestamp"... | 1,760,373,912.100316 | ||
https://hackaday.com/2019/05/22/novice-coders-can-create-classic-game-boy-games/ | Novice Coders Can Create Classic Game Boy Games | Bryan Cockfield | [
"Games"
] | [
"8 bit",
"developer",
"game boy",
"gb studio",
"homebrew",
"nintendo",
"programming",
"video game"
] | It takes a lot of work to build a modern video game. Typically an entire company will spend months (at least) developing the gameplay, selecting or programming an engine, and working out the bugs. This amount of effort isn’t strictly necessary for older video game systems though, and homebrew developers are quite often... | 5 | 3 | [
{
"comment_id": "6151009",
"author": "Chris",
"timestamp": "2019-05-22T11:45:11",
"content": "If you want to do the same no programming required approach for NES there is NESMaker. It was a Kickstarter and now is available. It works really well. You can even customize it with scripts to make any ... | 1,760,373,912.015657 | ||
https://hackaday.com/2019/05/22/set-your-nuts-and-bolts-free-with-this-induction-heater/ | Set Your Nuts (and Bolts) Free With This Induction Heater | Adam Fabio | [
"Tool Hacks"
] | [
"induction",
"stuck bolts",
"tool",
"zero voltage switching",
"ZVS"
] | [Amon] built an
induction heater to break stuck bolts loose
. If you work on cars, machines, or anything big and metal, sooner or later you’re going to run into stuck nuts and bolts. Getting them unstuck usually involves penetrating oil, heat from a torch, and cheater bars. Heat usually works well, as heating the bolt ... | 37 | 6 | [
{
"comment_id": "6150982",
"author": "onebiozz",
"timestamp": "2019-05-22T08:37:58",
"content": "im surprised the inductance of that long cable did not cause any issuesevery induction gun i have seen place the power inverter in the (massive) handle",
"parent_id": null,
"depth": 1,
"repli... | 1,760,373,912.994274 | ||
https://hackaday.com/2019/05/21/bringing-palmos-back-to-life/ | Bringing PalmOS Back To Life | Bryan Cockfield | [
"ARM"
] | [
"arm",
"kernel",
"operating system",
"os",
"palm",
"PalmOS",
"programming"
] | Ten years is almost ancient history in the computing world. Going back twelve years is almost unheard of, but that’s about the time that Palm released the last version of their famed PalmOS, an operating system for small, handheld devices that predated Apple’s first smartphone by yet another ten years. As with all piec... | 36 | 12 | [
{
"comment_id": "6150968",
"author": "Gregg Eshelman",
"timestamp": "2019-05-22T07:20:02",
"content": "I’d like to see someone produce WPA2 for PalmOS 5. Palm had it as an “enterprise” update for (IIRC) the T|X but it’s apparently completely unobtainable now. Dunno if any other Palm device with buil... | 1,760,373,913.432907 | ||
https://hackaday.com/2019/05/21/by-the-numbers-which-rappers-rhymes-are-the-freshest/ | By The Numbers: Which Rapper’s Rhymes Are The Freshest? | Drew Littrell | [
"Science"
] | [
"data",
"data is beautiful",
"music",
"study"
] | Beats and rhymes are life in the world of hip-hop. A rapper’s ability to seamlessly merge the two is the mark of a master wordsmith. Ranking a rapper’s contributions to hip-hop will forever remain subjective, however [Matt] sought to apply a more quantitative approach to the matter. He created
an interactive data set c... | 18 | 13 | [
{
"comment_id": "6150933",
"author": "gregg4",
"timestamp": "2019-05-22T02:23:06",
"content": "OY! I had hoped for a better analysis here. I won’t tell you folks what I think of the whole circle of that style, except it greatly resembles a rubbish tip.",
"parent_id": null,
"depth": 1,
"... | 1,760,373,913.493554 | ||
https://hackaday.com/2019/05/21/new-part-day-espressif-announces-esp32-s2-with-usb/ | New Part Day: Espressif Announces ESP32-S2 With USB | Brian Benchoff | [
"Hackaday Columns",
"Slider"
] | [
"ESP32",
"ESP32-S2",
"espressif",
"New Part Day"
] | Espressif, the company behind the extremely popular ESP8266 and ESP32 microcontrollers has just announced their latest chip.
It’s the ESP32-S2
. It’s a powerful WiFi-enabled microcontroller, and this one has support for USB OTG.
Compared to the ESP32 we know and love, there are a few differences. The ESP32-S2 uses a si... | 60 | 19 | [
{
"comment_id": "6150894",
"author": "Problemchild",
"timestamp": "2019-05-21T23:08:48",
"content": "Sounds great, just have to wait for the boards to be available via the inevitable ‘bay so we dont have to bust out the flux and no doubt produce a few pieces of scrap!!",
"parent_id": null,
... | 1,760,373,913.597037 | ||
https://hackaday.com/2019/05/21/solving-the-final-part-of-the-iclicker-puzzle/ | Solving The Final Part Of The IClicker Puzzle | Tom Nardi | [
"classic hacks",
"Wireless Hacks"
] | [
"classroom",
"disassembler",
"firmware",
"i>clicker",
"reverse engineering"
] | The regular Hackaday reader might remember the iClicker from our previous coverage of the classroom quiz device, or perhaps you even had some first hand experience with it during your university days. A number of hackers have worked to reverse engineer the devices over the years, and on the whole, it’s a fairly well un... | 9 | 2 | [
{
"comment_id": "6150872",
"author": "JDat",
"timestamp": "2019-05-21T20:35:51",
"content": "What? IC-licker?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6150874",
"author": "Ren",
"timestamp": "2019-05-21T20:44:37",
"content": "In... | 1,760,373,913.793262 | ||
https://hackaday.com/2019/05/21/bringing-battle-bots-into-the-modern-classroom/ | Bringing Battle Bots Into The Modern Classroom | Tom Nardi | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"fighting robots",
"h-bridge motor controller",
"robotics",
"STEM education"
] | With the wide array of digital entertainment that’s available to young students, it can be difficult for educators to capture their imagination. In decades past, a “volcano” made with baking soda and vinegar would’ve been enough to put a class of 5th graders on the edge of their seats, but those projects don’t pack qui... | 12 | 6 | [
{
"comment_id": "6150861",
"author": "Xeon",
"timestamp": "2019-05-21T19:45:01",
"content": "This makes me smile.As a kid i hated classes due to schools lacking a technical outlook.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6150868",
"author": "LordNo... | 1,760,373,913.739951 | ||
https://hackaday.com/2019/05/21/who-really-has-the-largest-aircraft/ | Who Really Has The Largest Aircraft? | Jenny List | [
"Featured",
"Interest",
"Slider",
"Transportation Hacks"
] | [
"aircraft",
"Antonov AN225",
"hughes H4",
"largest aircraft",
"Scaled Composites Stratolaunch",
"Stratolaunch"
] | We were all glued to our screens for a moment a few weeks ago, watching the Scaled Composites Stratolaunch dual-fuselage space launch platform aircraft
make its first flight
. The six-engined aircraft represents an impressive technical feat by any standard, and with a wingspan of 385 ft (117 m) and payload weight of 55... | 33 | 13 | [
{
"comment_id": "6150838",
"author": "Ren",
"timestamp": "2019-05-21T17:45:59",
"content": "Let us discount one-off aircraft, those that only one model exist, the Hughes H4, the An-225, the StratoLaunch.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6150878... | 1,760,373,915.812542 | ||
https://hackaday.com/2019/05/21/how-hard-can-it-be-to-buy-a-computer-in-germany-and-get-it-back-home-to-the-uk/ | How Hard Can It Be To Buy A Computer In Germany And Get It Back Home To The UK? | Jenny List | [
"hardware",
"Retrocomputing"
] | [
"ibm",
"System/360",
"TNMOC"
] | Some of the best adventures in the world of hardware hacking start in the pub. For three volunteers at the National Museum Of Computing in the UK, [Adam Bradley], [Chris Blackburn], and [Peter Vaughan], theirs started over a pint with an eBay listing for an old computer in Germany. No problem you might think, we’re wel... | 40 | 19 | [
{
"comment_id": "6150805",
"author": "polish hacker",
"timestamp": "2019-05-21T15:56:15",
"content": "After recent terrorist attacks in Germany and France I’d be afraid to travel to western europe.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6150814",
... | 1,760,373,915.728763 | ||
https://hackaday.com/2019/05/21/this-week-in-security-whats-up-with-whatsapp-windows-xp-patches-and-cisco-is-attacked-by-the-thrangrycat/ | This Week In Security: What’s Up With Whatsapp, Windows XP Patches, And Cisco Is Attacked By The Thrangrycat | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"computer security",
"wannacry",
"windows xp"
] | Whatsapp allows for end-to-end encrypted messaging, secure VoIP calls, and until this week,
malware installation when receiving a call
. A maliciously crafted SRTCP connection can trigger a buffer overflow, and execute code on the target device. The vulnerability was apparently found first by a surveillance company, Th... | 21 | 7 | [
{
"comment_id": "6150792",
"author": "Ren",
"timestamp": "2019-05-21T15:08:28",
"content": "Red BalloonorRed Baloon?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6150800",
"author": "Ostracus",
"timestamp": "2019-05-21T15:32:17",
"c... | 1,760,373,915.990895 | ||
https://hackaday.com/2019/05/21/stick-your-own-samples-in-the-cheetah-specdrum/ | Stick Your Own Samples In The Cheetah SpecDrum | Lewin Day | [
"Musical Hacks"
] | [
"sample player",
"spectrum",
"ZX Spectrum"
] | The Sinclair ZX Spectrum was a popular computer in the 8-bit era, and particularly so in its homeland of the United Kingdom. It was known more for its low cost than its capabilities, but it gained many add-ons over the years. One of those was the Cheetah SpecDrum, which turned the Spectrum into a rudimentary drum machi... | 10 | 3 | [
{
"comment_id": "6150841",
"author": "LambdaMikel",
"timestamp": "2019-05-21T18:01:05",
"content": "Great post!The SpecDrum for the Amstrad CPC was called “Amdrum” and my project provides a modern re-implementation (emulation) of Amdrum:https://hackaday.io/project/165677-lambdaspeak-3I have a video ... | 1,760,373,918.872959 | ||
https://hackaday.com/2019/05/21/paperclip-breadboard/ | Paperclip Breadboard | Al Williams | [
"Tool Hacks"
] | [
"breadboard",
"paperclip"
] | TV’s MacGyver would love the breadboard arrangement we saw recently: it uses
paperclips and crimping to make circuits
that can be more or less permanent with no soldering. The basic idea is simple. A cardboard base has a piece of paper affixed. Metal paperclips are bent straight and glued to the paper using PVA glue (y... | 28 | 14 | [
{
"comment_id": "6150717",
"author": "neo2121",
"timestamp": "2019-05-21T08:17:20",
"content": "Nope, no thanks",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6150923",
"author": "Soc Rat",
"timestamp": "2019-05-22T01:34:22",
"content... | 1,760,373,919.123743 | ||
https://hackaday.com/2019/05/20/design-tips-for-easier-cnc-milling/ | Design Tips For Easier CNC Milling | Lewin Day | [
"Tool Hacks"
] | [
"cnc",
"CNC mill",
"CNC milling"
] | CNC machining is a wonderful thing, taking away a lot of the manual work required in machining and replacing it with accurate, repeatable computer control. However, this doesn’t mean that you can simply click a few buttons and become a great machinist overnight. There are a wide variety of skills involved in utilizing ... | 12 | 7 | [
{
"comment_id": "6150698",
"author": "Tadpole",
"timestamp": "2019-05-21T05:53:04",
"content": "Thanks for this video, I really enjoyed it. Even moreso after 9:26 in the timeline! 😁",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6150725",
"author": ... | 1,760,373,919.021943 | ||
https://hackaday.com/2019/05/19/desktop-weather-monitor-leaves-nothing-to-chance/ | Desktop Weather Monitor Leaves Nothing To Chance | Tom Nardi | [
"Arduino Hacks",
"Microcontrollers"
] | [
"BMP180",
"NodeMCU",
"Nokia 5110 LCD",
"oled",
"weather forecast",
"weather monitor"
] | [Mirko Pavleski] has put together a little weather station for himself that
combines Internet-sourced forecasts with physical sensor data to give him a complete view of his local conditions
. There’s no shortage of weather applications for our smartphones and computers that will show us the current local conditions and... | 4 | 2 | [
{
"comment_id": "6150296",
"author": "Clemens",
"timestamp": "2019-05-19T19:37:29",
"content": "This thing weirds me out. Why the two micros? Why, on top of that, two different looking displays? Were this originally two separate projects, put into one box? Perhaps the weirdest part is how tidy it lo... | 1,760,373,918.921018 | ||
https://hackaday.com/2019/05/19/decap-ics-without-the-peril/ | Decap ICs Without The Peril | Jenny List | [
"chemistry hacks",
"Parts"
] | [
"chip",
"chip decap",
"chip decapping",
"integrated circuit"
] | There can be few of us who haven’t gazed with fascination upon the work of IC decappers, whether they are showing us classic devices from the early years of mass semiconductor manufacture, or reverse-engineering the latest and greatest. But so often their work appears to require some hardcore scientific equipment or pa... | 13 | 6 | [
{
"comment_id": "6150298",
"author": "computercarsten",
"timestamp": "2019-05-19T20:09:06",
"content": "One time I had a Samsung HCS-12SS59T VFD Display which nobody could bring to life. “decapped” it by smashing it and took a look on the internal controller. Turned out the Datasheet was wrong about... | 1,760,373,918.971394 | ||
https://hackaday.com/2019/05/19/ben-krasnow-makes-a-dsky/ | [Ben Krasnow] Makes A DSKY | Dan Maloney | [
"Space"
] | [
"agc",
"apollo",
"Apollo Guidance Computer",
"dielectric",
"display and keyboard",
"DSKY",
"electroluminescent",
"HV507",
"ITO glass",
"phosphor",
"shift register"
] | There are hundreds if not thousands of artifacts from the Apollo program scattered around the globe, some twisted wrecks at the bottom of the ocean, others lovingly preserved and sitting in museums or in the hands of private collectors. All of what’s left is pretty much pure unobtainium, so if you want something Apollo... | 6 | 6 | [
{
"comment_id": "6150267",
"author": "Jan",
"timestamp": "2019-05-19T12:19:40",
"content": "WOW, that’s some interesting stuff!Thanks for posting.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6150268",
"author": "John Stockton",
"timestamp": "2019-05... | 1,760,373,919.064744 | ||
https://hackaday.com/2019/05/19/not-happy-with-smart-bulbs-make-your-own/ | Not Happy With Smart Bulbs? Make Your Own | Tom Nardi | [
"home hacks",
"LED Hacks"
] | [
"home automation",
"mqtt",
"philips hue",
"Smart Bulb",
"ws2812"
] | The
idea
of the so-called “smart bulb” sounds good; who wouldn’t want to be able to verify the porch light is on if you’re out of town for the night, or check to see if you left the bathroom lights on in your rush out the door in the morning? But in practice, it can be a nightmare. Each brand wants to push their own pr... | 23 | 12 | [
{
"comment_id": "6150253",
"author": "anszom",
"timestamp": "2019-05-19T08:08:43",
"content": "What about thermal considerations? All modern LED bulbs I’ve encountered consist mostly of heat-sink. The LEDs are soldered onto a metal-core PCB and the outer shell is made of metal, with some thermal-con... | 1,760,373,919.324375 | ||
https://hackaday.com/2019/05/18/a-diy-sprinkler-controller-using-an-esp8266/ | A DIY Sprinkler Controller Using An ESP8266 | Jenny List | [
"home hacks"
] | [
"ESP8266",
"home automation",
"sprinkler"
] | There is something strangely amusing about the idea of a sprinkler system relying on a cloud. But it was this limitation in some commercial offerings that led [Zack Lalanne] to
create his own controller
when it was time to upgrade his aging irrigator.
It’s a straightforward enough device, he’s taken an ESP8266 on the u... | 2 | 2 | [
{
"comment_id": "6150311",
"author": "JC Flyer",
"timestamp": "2019-05-19T22:00:45",
"content": "You can also use a MCP23017 instead of a shift register and directly address the outputs. You can add up to 128 I/O, 16 per chip. Only two I/O is needed to communicate to all the expander chips using I2C... | 1,760,373,919.259365 | ||
https://hackaday.com/2019/05/18/fallout-inspired-display-is-ready-for-the-apocalypse/ | Fallout Inspired Display Is Ready For The Apocalypse | Tom Nardi | [
"Games"
] | [
"Fallout",
"geiger counter",
"vfd",
"vintage"
] | We’ve seen more projects based on books, TV shows, movies, and video games than we could ever hope to count. Hackers and makers derive inspiration from what they see around them, and it turns out there’s considerable overlap between the folks who sit in their labs building stuff all day and the ones who spend their fre... | 9 | 6 | [
{
"comment_id": "6150226",
"author": "Augie5",
"timestamp": "2019-05-19T02:08:39",
"content": "For the what is it comment: It’s at least being used as a cryptocurrency price ticker in one of the photos.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6150293"... | 1,760,373,919.177805 | ||
https://hackaday.com/2019/05/18/the-rhysonic-wheel-automates-live-music/ | The Rhysonic Wheel Automates Live Music | Bryan Cockfield | [
"Musical Hacks"
] | [
"guitar",
"music",
"percussion",
"rhysonic",
"shaft",
"synthesizer",
"wheel"
] | Making waves in the music world is getting harder. Almost anyone who has access to the internet also has access to a few guitars and maybe knows a drummer or can program a drum machine. With all that competition it can be difficult to stand out. Rather than go with a typical band setup or self-producing mediocre rap tr... | 10 | 8 | [
{
"comment_id": "6150210",
"author": "NoobCritic",
"timestamp": "2019-05-18T23:25:33",
"content": "While I enjoyed the overall music and performance, and the whirly bits added to the atmosphere and were somewhat hypnotic, I have to give the actual hacking and technology a pish, a pooh, a shrug, and ... | 1,760,373,919.224014 | ||
https://hackaday.com/2019/05/20/that-super-mario-bros-c64-port-was-too-good-for-this-world/ | That Super Mario Bros. C64 Port Was Too Good For This World | Drew Littrell | [
"Current Events",
"Featured",
"Games",
"Interest",
"Original Art",
"Slider"
] | [
"c64",
"commodore 64",
"homebrew",
"opinion",
"super mario bros"
] | It was foolish to think that the adventure of the Mario Bros. would ever exist outside of the castle walls of the Nintendo Entertainment System. Except for that one time it did. The Hudson Soft company was a close collaborator with Nintendo, and parlayed that favor into being tasked with bringing Super Mario Bros. to p... | 51 | 21 | [
{
"comment_id": "6150482",
"author": "ed.carden",
"timestamp": "2019-05-20T14:14:24",
"content": "Just another example of why Copyright needs to go back to its roots before corporations bought enough political favors to get the governments to extended copyrights to absurd lengths. Creators deserve ... | 1,760,373,921.067828 | ||
https://hackaday.com/2019/05/20/wing-opens-the-skies-for-drones-with-utm/ | Wing Opens The Skies For Drones With UTM | Maya Posch | [
"News",
"Transportation Hacks"
] | [
"air traffic control",
"Alphabet",
"drones",
"google",
"utm",
"wing"
] | Yesterday Alphabet (formerly known as Google)
announced
that their Wing project is launching delivery services per drone in Finland, specifically in a part of Helsinki. This comes more than a month after starting
a similar pilot program
in North Canberra, Australia. The drone design Wing has opted for consists not of t... | 7 | 5 | [
{
"comment_id": "6150451",
"author": "Chris Anderson",
"timestamp": "2019-05-20T12:32:40",
"content": "This is great news for the delivery industry. There are some that speculate it’ll be an urban nightmare, but others (like me) that see great possibilities in remote and rural areas that require eme... | 1,760,373,921.870858 | ||
https://hackaday.com/2019/05/20/make-physics-fun-with-a-trebuchet/ | Make Physics Fun With A Trebuchet | Dan Maloney | [
"Arduino Hacks"
] | [
"aerodynamics",
"altimeter",
"arduino",
"ballistic",
"catapault",
"kinematics",
"parachute",
"physics",
"trebuchet"
] | What goes up must come down. And what goes way, way up can come down way, way too fast to survive the sudden stop. That’s why [Tom Stanton] built
an altitude recording projectile into an oversized golf ball with parachute-controlled descent
. Oh, and there’s a trebuchet too.
That’s a lot to unpack, but suffice it to sa... | 9 | 3 | [
{
"comment_id": "6150427",
"author": "mrehorst",
"timestamp": "2019-05-20T11:05:24",
"content": "A bunch of the energy is going into moving the whole trebuchet. I’ll bet that if you anchored it to the ground it would throw the ball a bit higher. You’ll still lose energy to the rotating masses in t... | 1,760,373,921.156975 | ||
https://hackaday.com/2019/05/19/its-time-to-embrace-the-toilet-of-the-future/ | It’s Time To Embrace The Toilet Of The Future | Al Williams | [
"classic hacks"
] | [
"bathroom hacks",
"bidet",
"toilet"
] | You use things every day that are very different from the same items from even a decade ago. Your car, your cellphone, and your computer all have probably changed a lot in the last ten years. But there’s something you almost certainly use every day that hasn’t changed much in a very long time: your toilet. That is unle... | 82 | 22 | [
{
"comment_id": "6150369",
"author": "scotthess9422",
"timestamp": "2019-05-20T05:17:49",
"content": "After all, nowadays you can stand in the bathroom like an idiot unable to make the water come out of the faucet and the soap to come out of the dispenser to wash your hands. Then you can get to wal... | 1,760,373,921.749884 | ||
https://hackaday.com/2019/05/19/muscle-wire-bugbot-and-a-raspberry-pi-android-with-its-eye-on-you-at-maker-faire/ | Muscle Wire BugBot And A Raspberry Pi Android With Its Eye On You At Maker Faire | Mike Szczys | [
"cons",
"Robots Hacks"
] | [
"android",
"Bay Area Maker Faire 2019",
"BugBot",
"HBRC",
"HomeBrew Robotics Club",
"Maker Faire Bay Area",
"muscle wire",
"raspberry pi",
"rover",
"Sawppy"
] | I spent a good chunk of Saturday afternoon hanging out at the
Homebrew Robotics Club
booth at Maker Faire Bay area. They have a ton of really interesting robot builds on display and I just loved hearing about what went into these two in particular.
It’s obvious where
BugBot
gets its name. The six-legged walker is the c... | 6 | 3 | [
{
"comment_id": "6150430",
"author": "A Start With Forth",
"timestamp": "2019-05-20T11:09:37",
"content": "Brilliant. I bought a muscle wire kit many years ago and liked it very much. Where did the muscle wire used here come from? Or did I miss the link? Would like to rebuild one and as can be expe... | 1,760,373,921.501241 | ||
https://hackaday.com/2019/05/19/hackaday-links-may-19-2019/ | Hackaday Links: May 19, 2019 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"behringer",
"CS-80",
"palmtop",
"Paul Graham",
"PiDP-11/70",
"rotary encoder"
] | Cheap nostalgia, that’s the name of the game. If you can somehow build and ship ‘cheap nostalgia’, you’re going to be raking in the bucks. For the ‘musicians’ in the crowd, the king of cheap nostalgia has something great.
Behringer is cloning the Yamaha CS-80
. and it was announced at this month’s Superbooth.
The Yamah... | 16 | 12 | [
{
"comment_id": "6150327",
"author": "bob",
"timestamp": "2019-05-19T23:30:29",
"content": "http://doc.chipfind.ru/optolab/ol2013.htmjust found this on google. it can be hard to escape the search bubble at times.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,373,921.556237 | ||
https://hackaday.com/2019/05/19/new-arduino-nano-line-rolls-out-in-four-flavors-at-maker-faire-bay-area/ | New Arduino Nano Line Rolls Out In Four Flavors At Maker Faire Bay Area | Mike Szczys | [
"Arduino Hacks",
"cons"
] | [
"arduino nano",
"Bay Area Maker Faire 2019",
"Maker Faire Bay Area",
"Nano 33",
"Nano 33 BLE",
"Nano 33 BLE Sense",
"Nano Every"
] | Arduino has announced a new line of Nano boards that will begin shipping next month. From the design, to the chips and features on the board, to the price, there’s a lot that is new here. I stopped by their booth at Maker Faire Bay Area for a look at the hardware.
Immediately noticeable is the new design for the pins o... | 80 | 22 | [
{
"comment_id": "6150299",
"author": "CRImier",
"timestamp": "2019-05-19T20:16:15",
"content": "Yet they still keep the braindead “have two RST instead of replacing one of them with an additional VCC” decision =(",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "... | 1,760,373,921.40014 | ||
https://hackaday.com/2019/05/20/lateral-thinking-for-an-easier-charlieplex/ | Lateral Thinking For An Easier Charlieplex | Kerry Scharfglass | [
"Art",
"LED Hacks"
] | [
"charlieplex",
"crafting",
"efficient",
"freeform",
"led",
"LED display",
"led matrix",
"multiplex",
"woven"
] | In the practical world we live in, PCBs are often rectangles (or rectangles with rectangles, it’s just rectangles all the way down). When a designer goes to schematic capture things are put down on nice neat grid intersections; and if there isn’t a particular demand during layout the components probably go on a grid to... | 9 | 6 | [
{
"comment_id": "6150689",
"author": "kramboz",
"timestamp": "2019-05-21T04:38:21",
"content": "So much advancement to be had in the area of alogorithms and theory! So many layers of beauty to this design.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "615069... | 1,760,373,921.452114 | ||
https://hackaday.com/2019/05/20/using-a-cheap-handheld-radio-as-a-morse-transceiver/ | Using A Cheap Handheld Radio As A Morse Transceiver | Lewin Day | [
"Radio Hacks"
] | [
"baofeng",
"morse code"
] | Both grizzled hams and potential future amateur radio operators are well-served by the market these days. Powerful and capable UHF and VHF handheld transceivers can now be had for well under $100, something unimaginable as recently as 20 years ago. Of course, a major part of the amateur radio scene used to be Morse cod... | 38 | 8 | [
{
"comment_id": "6150679",
"author": "Rich/AG6QR",
"timestamp": "2019-05-21T03:27:03",
"content": "The Ultra PicoKeyer kit does this kind of thing well (as well as being a fine general-purpose memory keyer). It has a mode where you can feed its key closure output to the PTT input of a radio, and fe... | 1,760,373,921.633743 | ||
https://hackaday.com/2019/05/20/integrated-circuits-can-be-easy-to-understand-with-the-right-teachers/ | Integrated Circuits Can Be Easy To Understand With The Right Teachers | Mike Szczys | [
"classic hacks",
"cons",
"Slider"
] | [
"bamf",
"Bay Area Maker Faire 2019",
"ic",
"integrated circuits",
"Maker Faire Bay Area",
"silicon"
] | For years I’ve been trying to wrap my mind around how silicon chips actually work. How does a purposefully contaminated shard of glass wield control over electrons? Every once in a while, someone comes up with a learning aid that makes these abstract concepts really easy to understand, and this was the case with one of... | 22 | 18 | [
{
"comment_id": "6150590",
"author": "TJay",
"timestamp": "2019-05-20T20:19:45",
"content": "This is a great teaching aid. I absolutely love it. Good work to everyone involved, Thank you for the time put in.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "615... | 1,760,373,921.821327 | ||
https://hackaday.com/2019/05/20/tracking-stolen-bikes-with-narrowband-iot/ | Tracking Stolen Bikes With Narrowband IoT | Tom Nardi | [
"The Hackaday Prize",
"Wireless Hacks"
] | [
"2019 Hackaday Prize",
"bike",
"gps",
"narrowband",
"SIM7000",
"tracking device"
] | For his entry into the 2019 Hackaday Prize, [Marin Vukosav] is working on an ambitious project to create
a small GPS tracking device which utilizes Narrowband IoT (NB-IoT)
for long range communications. Rather than using a GSM modem which would suck the batteries dry in short order, NB-IoT can theoretically maintain a ... | 36 | 13 | [
{
"comment_id": "6150562",
"author": "Julian Silden Langlo",
"timestamp": "2019-05-20T18:58:13",
"content": "I’d upgrade the chip to a nRF91 as that has integrated NB-IoT and GPS, cutting down the clutter to just one or two antennas a chip, and the battery.",
"parent_id": null,
"depth": 1,
... | 1,760,373,923.25333 | ||
https://hackaday.com/2019/05/20/osh-park-hack-chat/ | Flexible PCBs Hack Chat With OSH Park | Dan Maloney | [
"Hackaday Columns"
] | [
"cam",
"eda",
"fabrication",
"flexible",
"open source hardware",
"osh park",
"pcb",
"The Hack Chat"
] | Join us Thursday at noon Pacific time for the
Flexible PCBs Hack Chat
with
Drew
and
Chris
from OSH Park!
Note the different day from our usual Hack Chat schedule!
Printed circuit boards have been around for decades, and mass production of them has been an incalculable boon to the electronics industry. But turning the e... | 0 | 0 | [] | 1,760,373,923.172787 | ||
https://hackaday.com/2019/05/20/everything-we-know-about-spacexs-starlink-network/ | Everything We Know About SpaceX’s Starlink Network | Tom Nardi | [
"Current Events",
"Featured",
"Space"
] | [
"Elon Musk",
"internet",
"low earth orbit",
"SpaceX",
"Starlink"
] | When it comes to SpaceX, or perhaps more accurately its somewhat eccentric founder and CEO Elon Musk, it can be difficult to separate fact from fiction. For as many incredible successes SpaceX has had, there’s an equal number of projects or ideas which get quietly delayed or shelved entirely once it becomes clear the t... | 75 | 15 | [
{
"comment_id": "6150527",
"author": "jake",
"timestamp": "2019-05-20T17:20:35",
"content": "As a bumpkin living in BFE on XDSL right now, I’d kindly request they hurry this one up!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6150532",
"author": "... | 1,760,373,923.705214 | ||
https://hackaday.com/2019/05/20/a-compact-strain-wave-gear-assembly/ | A Compact Strain Wave Gear Assembly | Jenny List | [
"3d Printer hacks"
] | [
"gearbox",
"gears",
"harmonic gears",
"strain wave gear"
] | Strain wave gearing is a clever way to produce a high-efficiency, high ratio gearbox within a small space. It involves an outer fixed ring of gear teeth and an inner flexible ring of teeth which are made to mesh with the outer by means of an oval rotor distorting the ring. They aren’t cheap, so [Leo Vu] has
had a go at... | 8 | 4 | [
{
"comment_id": "6150594",
"author": "BrendaEM",
"timestamp": "2019-05-20T20:37:33",
"content": "Nylon filament is sensitive to humidity, but projects like this make it tempting.BTW, could it not be liquid cooled?I tore down a harmonic drive here:https://www.youtube.com/watch?v=02wR0U_7SfM",
"pa... | 1,760,373,923.801225 | ||
https://hackaday.com/2019/05/18/teardown-video-whats-inside-the-self-solving-rubiks-cube-robot/ | Teardown Video: What’s Inside The Self-Solving Rubik’s Cube Robot | Mike Szczys | [
"cons",
"Robots Hacks"
] | [
"bamf",
"Bay Area Maker Faire 2019",
"MFBA",
"robot rubik's cube",
"robotic rubik's cube solver",
"rubiks cube",
"Self-Solving Rubik's Cube"
] | You can find all kinds of robots at Bay Area Maker Faire, but far and away the most interesting bot this year is the Self-Solving Rubik’s Cube built by [Takashi Kaburagi]. Gently mix up the colored sides of the cube, set it down for just a moment, and it will spring to life, sorting itself out again.
I arrived at [Taka... | 11 | 8 | [
{
"comment_id": "6150215",
"author": "Steve L",
"timestamp": "2019-05-18T23:52:08",
"content": "Back in my day, we had to solve these cubes for ourselves.And we LIKED IT!What a very impressive build.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6150219",
... | 1,760,373,923.572548 | ||
https://hackaday.com/2019/05/18/breakout-board-becomes-pogo-pin-programmer/ | Breakout Board Becomes Pogo Pin Programmer | Brian McEvoy | [
"Microcontrollers"
] | [
"firmware",
"pogo",
"Pogo pin",
"pogo pin jig",
"programming",
"software",
"Wemos",
"wifi"
] | Making a programming jig becomes exponentially more difficult after two pins and who would even consider building one if they were not setting up more than twenty boards? If it were easy for novices to construct jigs, we might all have a quiver of them on the shelf next to our microprocessors. Honestly, a tackle box fu... | 9 | 4 | [
{
"comment_id": "6150192",
"author": "mike",
"timestamp": "2019-05-18T20:50:16",
"content": "Or you could just buy this and save yourself all that time.https://www.amazon.com/SODIAL-Esp32-Wrover-Fixture-Esp-32-Esp-Wroom-32/dp/B07L3CTVN1/ref=sr_1_103?keywords=esp32&qid=1558212559&s=gateway&sr=8-103",... | 1,760,373,923.757701 | ||
https://hackaday.com/2019/05/18/a-trash-steam-machine-80/ | A Trash-Steam-Machine-80 | Jenny List | [
"Retrocomputing"
] | [
"radio shack",
"steam",
"trs-80"
] | Sometimes for a retrocomputing enthusiast it can be challenging to see a surviving machine gutted and used for another purpose. But in the case of [Tom Pick]’s
Radio Shack TRS-80 based Steam Machine
PC we can forgive him, because it began with a very unpromising machine that had most definitely seen better days.
The TR... | 24 | 8 | [
{
"comment_id": "6150146",
"author": "Thomas R McNeill",
"timestamp": "2019-05-18T14:35:30",
"content": "I love the Trash 80. I learned to program on it. Typing in games from Byte Magazine.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6150620",
"... | 1,760,373,924.016583 | ||
https://hackaday.com/2019/05/18/plot-your-way-past-a-tiny-buffer/ | Plot Your Way Past A Tiny Buffer | Jenny List | [
"computer hacks"
] | [
"HP",
"hpgl",
"plotter"
] | There is a dedicated community of plotter enthusiasts who keep their often-aging X-Y axis pen drawing devices going decades after they were built, and who share plotter-generated paper artwork online. [Dhananjay Balan] was seduced by this, so acquired a second-hand HP7440A through eBay and
set about bringing it to life... | 15 | 11 | [
{
"comment_id": "6150124",
"author": "Casey C",
"timestamp": "2019-05-18T11:41:26",
"content": "Neat, although overkill.Back when I went down the rabbit hole of plotting, I suffered greatly until I realized that the HP plotter I was using (since junked for other reasons) actually supported hardware ... | 1,760,373,923.953196 | ||
https://hackaday.com/2019/05/18/heres-how-hard-it-is-to-produce-a-conference-badge/ | Here’s How Hard It Is To Produce A Conference Badge | Jenny List | [
"cons"
] | [
"Aramcon",
"badge",
"nRF52840"
] | Making an event badge is hard work. Making a single prototype badge is hard enough, but the whole process of sourcing components and coordinating manufacture for hundreds of badges on a shoestring budget with the looming deadline of the event and its expectant attendees is a Herculean task.
[Uri Shaked] is one who bear... | 10 | 7 | [
{
"comment_id": "6150111",
"author": "macsimski",
"timestamp": "2019-05-18T09:20:13",
"content": "“I have never studied Electrical Engineering” he forgot to insert the words “at a school”. there are more ways to Rome, and this side is one of them.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,373,924.576921 | ||
https://hackaday.com/2019/05/17/transparent-and-flexible-circuits/ | Transparent And Flexible Circuits | Al Williams | [
"3d Printer hacks",
"Science"
] | [
"3d printing",
"flexible",
"nanowires",
"polymer",
"resin",
"silver",
"tranparent"
] | German researchers have a line on 3D printed circuitry, but with a twist. Using silver nanowires and a polymer, they’ve created
flexible and transparent circuits
. Nanowires in this context are only 20 nanometers long and only a few nanometers thick. The research hopes to print things like LEDs and solar cells.
Of cour... | 4 | 4 | [
{
"comment_id": "6150125",
"author": "Tobias",
"timestamp": "2019-05-18T11:56:14",
"content": "It is a bit hidden in the supplementary information but the “nanowires” are in the scale of microns and not nanometers.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,373,926.523201 | ||
https://hackaday.com/2019/05/17/braille-keyboard-finds-its-voice/ | Braille Keyboard Finds Its Voice | Al Williams | [
"Arduino Hacks"
] | [
"accessibility",
"blind",
"braille",
"keyboard"
] | If you have a serious visual impairment, using a computer isn’t easy. [Dhiraj] has a project that allows people fluent in Braille to
use that language for input
. In addition to having a set position for fingers, the device also reads the key pressed as you type. With some third party software it is possible to even cr... | 9 | 6 | [
{
"comment_id": "6150084",
"author": "Howard",
"timestamp": "2019-05-18T02:26:56",
"content": "These are great projects. A student of mine did one a few semesters back. She used a solenoid to thump the keyboard as feedback that your chord was accepted. The USB HID support on the Arduino Pro Micro wa... | 1,760,373,925.263595 | ||
https://hackaday.com/2019/05/17/yet-another-concrete-speaker-build/ | Yet Another Concrete Speaker Build | Lewin Day | [
"home entertainment hacks"
] | [
"audio",
"concrete speaker",
"hi-fi",
"speaker"
] | Concrete is great if you feel like making something heavy on the cheap. [Marek Unger] decided to have a go,
using the material to cast speaker cabinets for a home hi-fi rig (Youtube link, embedded below)
.
Initial attempts involved creating a laser-cut MDF outer mold, with a styrofoam core inside to be removed later. T... | 17 | 10 | [
{
"comment_id": "6150073",
"author": "cdmurray88",
"timestamp": "2019-05-17T23:58:30",
"content": "Check out Modustrial Maker for some great concrete tutorials.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6150082",
"author": "echodelta",
"timestamp"... | 1,760,373,925.333675 | ||
https://hackaday.com/2019/05/17/diy-button-matrix-lights-up-and-speaks-i2c/ | DIY Button Matrix Lights Up And Speaks I2C | Donald Papp | [
"ATtiny Hacks",
"LED Hacks",
"Microcontrollers"
] | [
"attiny",
"attiny88",
"button matrix",
"i2c",
"illuminated buttons",
"led matrix"
] | [David Johnson-Davies] always wanted an illuminated button matrix for projects, but cost was never very friendly. That all changed when he discovered a cheap source of illuminated pushbuttons on Aliexpress, leading to
this DIY 4×4 illuminated button matrix design
which communicates over I
2
C. The button states can be ... | 2 | 2 | [
{
"comment_id": "6150066",
"author": "ian 42",
"timestamp": "2019-05-17T22:57:28",
"content": "I thought those buttons were expensive till I saw it was for 20 of them…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6150183",
"author": "Jeff",
"timestam... | 1,760,373,925.635446 | ||
https://hackaday.com/2019/05/17/a-cyclonic-vacuum-cleaner-on-a-hackers-budget/ | A Cyclonic Vacuum Cleaner On A Hacker’s Budget | Tom Nardi | [
"The Hackaday Prize",
"Tool Hacks"
] | [
"2019 Hackaday Prize",
"cyclonic",
"EDF",
"vacuum"
] | Have you ever seen a product in the store and been shocked at what the manufacturer was trying to charge for it? Since you’re reading Hackaday, we can safely assume the answer to that question; building a homebrew version of some commercial product for a fraction of its retail price is practically a rite of passage aro... | 19 | 15 | [
{
"comment_id": "6150023",
"author": "Jason",
"timestamp": "2019-05-17T18:39:21",
"content": "Cool! Just add the HEPA filter and you’ll have a true clone.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6150025",
"author": "RandyKC",
"timestamp": "2019-... | 1,760,373,925.892251 | ||
https://hackaday.com/2019/05/17/the-50-ham-dummy-loads-part-2/ | The $50 Ham: Dummy Loads, Part 2 | Dan Maloney | [
"Hackaday Columns",
"Original Art",
"Radio Hacks"
] | [
"antenna",
"dielectric",
"dummy load",
"impedance",
"metal-film",
"resistor",
"testing",
"The $50 Ham",
"transmitter"
] | In
the last installment
of “The $50 Ham” I built a common tool used by amateur radio operators who are doing any kind of tuning or testing of transmitters: a dummy load. That build resulted in “L’il Dummy”, a small dummy load intended for testing typical VHF-UHF handy talkie (HT) transceivers, screwing directly into th... | 21 | 8 | [
{
"comment_id": "6150040",
"author": "M",
"timestamp": "2019-05-17T19:17:47",
"content": "What’s this $50 nonsense? Have you any idea how much it costs to qualify for, and then remit yearly fees for an amateur licence in some countries? Dude, that’s a way rich man’s hobby! No wonder the very generou... | 1,760,373,926.166375 | ||
https://hackaday.com/2019/05/17/hackaday-podcast-019-extreme-clock-accuracy-mobius-gears-and-planetary-stunts-jamming-all-fobs-pi-in-your-wii/ | Hackaday Podcast 019: Extreme Clock Accuracy, Mobius Gears And Planetary Stunts, Jamming All Fobs, Pi In Your Wii | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Join Mike Szczys and Elliot Williams as they riff on the coolest hacks from the past week. Clocks and 3D printing seem to keep coming up this week as we look at using an FPGA plus GPS receiver for better accuracy than we’re used to, and we haggle over what to call the robot arms that nudge the hands on a shelf-clock. T... | 4 | 2 | [
{
"comment_id": "6150376",
"author": "Jeff",
"timestamp": "2019-05-20T06:27:30",
"content": "Wait. Mike doesn’t have a 3D printer? How is that even allowed?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6150483",
"author": "Elliot Williams",
... | 1,760,373,926.007072 | ||
https://hackaday.com/2019/05/17/a-ping-pong-ball-led-video-wall/ | A Ping Pong Ball LED Video Wall | Dan Maloney | [
"LED Hacks"
] | [
"arduino",
"display",
"led",
"Maker Faire Berlin",
"matrix",
"neopixel",
"rgb"
] | Constrained builds are often the most fun. Throw an artificial limit into the mix, like time limiting your effort or restricting yourself to what’s on hand, and there’s no telling what will happen.
[bitluni] actually chose both of those constraints for
this ping pong ball LED video display
, and the results are pretty ... | 6 | 3 | [
{
"comment_id": "6149993",
"author": "YGDES",
"timestamp": "2019-05-17T16:56:57",
"content": "I’ve built many ping pong balls screens… too many, I think.https://www.youtube.com/watch?v=noyXHopsbN0etc.It’s fun in the beginning but after a while, you don’t want to even think about it :-D",
"parent... | 1,760,373,926.23656 | ||
https://hackaday.com/2019/05/17/repairing-a-catastrophic-failure-the-oroville-dam-update/ | Repairing A Catastrophic Failure: The Oroville Dam Update | Bryan Cockfield | [
"Engineering",
"Featured",
"Slider"
] | [
"Ataturk Dam",
"catastrophic failure",
"dam",
"jinping-I Dam",
"Oroville Dam"
] | More than two years ago, the largest dam in the United States experienced a catastrophic failure of its main spillway, the primary means by which operators of the dam prevent the lake from cresting its pen. The spillway failure caused so much erosion that the hydroelectric plant could not operate, further worsening the... | 46 | 13 | [
{
"comment_id": "6149944",
"author": "jcwren",
"timestamp": "2019-05-17T14:07:29",
"content": "It’s sexier to build new stuff than to maintain existing infrastructure, or so goes government thinking.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6149953",
... | 1,760,373,926.670265 | ||
https://hackaday.com/2019/05/15/comprinter-hides-a-laptop-inside-a-printer/ | Comprinter Hides A Laptop Inside A Printer | Adam Fabio | [
"computer hacks"
] | [
"casemod",
"dell",
"laptop",
"printer"
] | Sometimes we find projects that border on the absurd but are too cool to pass up.
The Comprinter
is exactly that. [Mason Stooksbury] had a dream. An all-in-one scanner printer that was also a computer. What would turn heads more than walking into a hackerspace with a printer, plugging your headphones in, then opening u... | 13 | 8 | [
{
"comment_id": "6149351",
"author": "SgtStens",
"timestamp": "2019-05-15T11:20:10",
"content": "There are some things that I don’t quite understand or agree with, but that I am glad they exist. This is one of them.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,373,926.57652 | ||
https://hackaday.com/2019/05/15/microscope-inspired-toolchanger-spins-multicolor-3d-prints/ | Microscope-Inspired Toolchanger Spins Multicolor 3D Prints | Sonya Vasquez | [
"3d Printer hacks",
"Tool Hacks"
] | [] | The 3D printing community is simply stirring with excitement over toolchanging printers, but these machines are still the exception rather than the norm. Here’s an exceptional exception: [Paul Paukstelis] built
a five-color printer with a novel head-changing solution
.
[Paul’s] 3D printer is a hat-tip to anyone who’s s... | 15 | 7 | [
{
"comment_id": "6149322",
"author": "Martin Egsdal",
"timestamp": "2019-05-15T08:23:34",
"content": "Always love to see diffrent soulutions for toolchange/ multi extruder setups!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149323",
"author": "Jan Cige... | 1,760,373,926.951751 | ||
https://hackaday.com/2019/05/14/deflecting-earthquakes-the-way-ancient-romans-did-it/ | Deflecting Earthquakes The Way Ancient Romans Did It | Maya Posch | [
"Science"
] | [
"colosseum",
"earthquakes",
"metamaterials"
] | A recent
French study indicates
that the ancient Romans may have figured out how to deal with earthquakes by simply
deflecting the energy
of the waves using structures that resemble
metamaterials
. These are materials which can manipulate waves (electromagnetic or otherwise) in ways which are normally deemed impossible... | 27 | 10 | [
{
"comment_id": "6149294",
"author": "SebiR",
"timestamp": "2019-05-15T05:49:55",
"content": "Yeah. Could be that the Romans did know how to deal with earthquakes. But it could also just be Apophenia.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6149332",
... | 1,760,373,927.017385 | ||
https://hackaday.com/2019/05/14/the-kalman-filter-exposed/ | The Kalman Filter Exposed | Al Williams | [
"Robots Hacks"
] | [
"control theory",
"kalman filter",
"math"
] | If we are hiring someone such as a carpenter or an auto mechanic, we always look for two things: what kind of tools they have and what they do when things go wrong. For many types of embedded systems, one important tool that serious developers use is the Kalman filter. It is also something you use when things go “wrong... | 10 | 3 | [
{
"comment_id": "6149274",
"author": "Art Mezins",
"timestamp": "2019-05-15T02:23:06",
"content": "Kalman filtering can all too easily be misapplied if not well versed in all its nuances. Two were mentioned: Gaussian and covariance. They sound “simple” but they’re not. The filter works best for line... | 1,760,373,927.07658 | ||
https://hackaday.com/2019/05/14/the-clickiest-game-of-tetris-youll-ever-play-in-on-a-flip-dot/ | The Clickiest Game Of Tetris You’ll Ever Play, On A Flip-Dot | Dan Maloney | [
"classic hacks"
] | [
"electromechanical",
"flip-dot",
"matrix",
"pixel",
"shift register",
"Teensy",
"tetris"
] | Like many other classics it’s easy to come up with ways to ruin Tetris, but hard to think of anything that will make it better. Adding more clickiness is definitely one way to improve the game, and
playing Tetris on a flip-dot display
certainly manages to achieve that.
The surplus flip-dot display [sinowin] used for th... | 12 | 6 | [
{
"comment_id": "6149260",
"author": "RW ver 0.0.1",
"timestamp": "2019-05-15T00:26:20",
"content": "‘k … now show me with solenoids and ball bearings. :-p",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149275",
"author": "radiusmike",
"timestamp": "2... | 1,760,373,927.326671 | ||
https://hackaday.com/2019/05/14/turn-your-car-into-a-simulator/ | Turn Your Car Into A Simulator | Bryan Cockfield | [
"car hacks"
] | [
"can-bus",
"car",
"controller",
"linux",
"simulator",
"uinput",
"video game"
] | Video games, while entertaining to be sure, are a great way to experience things that could not easily be recreated in real life. Shooting aliens on a giant ring in space is an obvious example, but there are some more realistic examples that video games make much more accessible, such as driving a race car. You can mak... | 14 | 6 | [
{
"comment_id": "6149218",
"author": "RoboMonkey",
"timestamp": "2019-05-14T20:32:40",
"content": "get me my Carmageddon! Now Take my MONEY!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149222",
"author": "John Rupkalvis",
"timestamp": "2019-05-14T... | 1,760,373,927.374582 | ||
https://hackaday.com/2019/05/14/a-full-stack-web-browser/ | A Full-Stack Web Browser | Brian Benchoff | [
"hardware",
"The Hackaday Prize"
] | [
"2019 Hackaday Prize",
"logic",
"rs232",
"ttl",
"vga"
] | Interviewing to be a full-stack engineer is hard. It’s a lot harder than applying for a junior dev job where you’re asked to traverse a red-black tree on a whiteboard. For the full-stack job, they just give you a pile of 2N2222 transistors. (The first company wasn’t a great fit, and I eventually found a place that gave... | 13 | 6 | [
{
"comment_id": "6149192",
"author": "Kris Jacobs",
"timestamp": "2019-05-14T18:50:00",
"content": "I want to get it – but I don’t: what’s the joke in there regarding NPN vs PNP transistors?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6149194",
"... | 1,760,373,927.51487 | ||
https://hackaday.com/2019/05/17/reverse-engineering-dropbox/ | Reverse Engineering Dropbox | Al Williams | [
"Software Hacks"
] | [
"dropbox",
"python"
] | These days everyone talks about data “in the cloud.” However, before that phrase was fashionable, there were a few pioneers and one of the most famous of these is Dropbox — a service that let you store files on a remote server that dates back to 2007. [Vincent Berg] first noticed some odd network traffic on a hotel net... | 7 | 3 | [
{
"comment_id": "6149916",
"author": "Antron Argaiv",
"timestamp": "2019-05-17T12:37:43",
"content": "“We won’t ask why [Vincent] was poking around the hotel network to start with.”An idle mind is the Devil’s playground. My vote is:: “business trip downtime.”…and I would probably do the same thing."... | 1,760,373,927.64601 | ||
https://hackaday.com/2019/05/17/concrete-speakers-are-attractive-and-functional/ | Concrete Speakers Are Attractive And Functional | Lewin Day | [
"classic hacks"
] | [
"concrete",
"concrete speaker",
"speaker"
] | In a lot of fields – motorsport, space exploration, wearables – lighter is better. But it’s not always the case. When you want to damp vibration, stop things moving around, and give things a nice weighty feel, heavier is the way to go. This is the case for things like machine tools, anvils, and yes – speakers.
Using th... | 25 | 10 | [
{
"comment_id": "6149893",
"author": "Dj Biohazard",
"timestamp": "2019-05-17T09:51:16",
"content": "Very concrete results…But isn’t concrete heavy as all hell, I’ve seen USB hubs too, and all I keep thinking of are pavers…Not something I’d put on a desk.",
"parent_id": null,
"depth": 1,
... | 1,760,373,927.878241 | ||
https://hackaday.com/2019/05/16/pokerbot-uses-fpga-for-card-calculating-horsepower/ | PokerBot Uses FPGA For Card Calculating Horsepower | Lewin Day | [
"FPGA"
] | [
"bruce land",
"fpga",
"poker"
] | Played against humans, Poker is a game as much about reading your opponent as it is about the cards you’re dealt. That doesn’t mean there aren’t certain mathematical ways to aid your decision making based on probabilities. In this vein,
a group of students from Cornell’s ECE 5760 class built a pokerbot on an FPGA.
The ... | 12 | 5 | [
{
"comment_id": "6149877",
"author": "Sowlaki",
"timestamp": "2019-05-17T07:23:08",
"content": "Starting with FPGA, is an advanced Xilinx or Intel SoC with built in ARM processors neccessary or is it best to start with a TinyFPGA for example?",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,373,927.926438 | ||
https://hackaday.com/2019/05/16/reupholstering-a-couch-with-no-prior-experience/ | Reupholstering A Couch, With No Prior Experience | Lewin Day | [
"home hacks"
] | [
"couch",
"furniture",
"upholstery"
] | Upholstery is a craft that dates back far longer than many we feature on Hackaday. It requires patience, attention to detail, and a series of specialised skills. If you fancy yourself to be like a young Jack White, you might have considered trying your hand at a piece or two.
[darkpine] did just that, and the results a... | 18 | 10 | [
{
"comment_id": "6149833",
"author": "Jlbrian7",
"timestamp": "2019-05-17T02:12:03",
"content": "?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149836",
"author": "james",
"timestamp": "2019-05-17T02:24:43",
"content": "You missed a couple of st... | 1,760,373,927.97921 | ||
https://hackaday.com/2019/05/16/this-two-wheeled-rc-car-is-rather-quick/ | This Two-Wheeled RC Car Is Rather Quick | Lewin Day | [
"car hacks"
] | [
"pid",
"pid control",
"R/C car",
"radio control",
"self balancing",
"Teensy",
"Teensy 3.6"
] | Radio control cars have always been fun, it’s true. With that said, it’s hard to deny that true speed was unlocked when lithium polymer batteries and brushless motors came to the fore. [Gear Down For What?] built himself a speedy RC car of his own design,
and it’s only got two wheels to boot (Youtube link, embedded bel... | 12 | 9 | [
{
"comment_id": "6149818",
"author": "Hirudinea",
"timestamp": "2019-05-17T00:06:46",
"content": "Coolest Segway EVER!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6149831",
"author": "reg",
"timestamp": "2019-05-17T01:48:23",
"content": "Very im... | 1,760,373,928.032931 |
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