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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2021/04/23/stepper-motor-analyzer-reveals-all/ | Stepper Motor Analyzer Reveals All | Al Williams | [
"3d Printer hacks",
"cnc hacks",
"Microcontrollers"
] | [
"stepper motor",
"stepper motor analyzer"
] | In theory, you really don’t need much to work with electronics. A scope ought to do everything. However, for special purposes, it is handy to have meters, logic analyzers, and other special-purpose instruments. If you work on motion systems like 3D printers and CNC machines, you ought to have a way to look at stepper m... | 15 | 7 | [
{
"comment_id": "6342358",
"author": "Mike Massen, Perth, Western Australia",
"timestamp": "2021-04-23T10:16:23",
"content": "Nice one thanks for post :-)We need to be alert to developing improved metrology across so many disciplines so we can examine the details at least and discover new opportunit... | 1,760,373,109.253402 | ||
https://hackaday.com/2021/04/22/visual-raspberry-pi-with-node-red-and-tensorflow/ | Visual Raspberry Pi With Node-Red And TensorFlow | Al Williams | [
"Machine Learning",
"Raspberry Pi"
] | [
"nodered",
"raspberry pi",
"tensorflow"
] | If you prefer to draw boxes instead of writing code, you may have tried IBM’s Node-RED to create logic with drag-and-drop flows. A recent [TensorFlow] video shows an interview between [Jason Mayes] and [Paul Van Eck] about using TensorFlow.js with Node-RED to create machine learning applications for Raspberry Pi visual... | 13 | 4 | [
{
"comment_id": "6342315",
"author": "Greg Chabala",
"timestamp": "2021-04-23T05:55:20",
"content": "> If you prefer to draw boxes instead of writing codeNope, precondition failed. I’ll pass.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6342354",
"... | 1,760,373,110.073125 | ||
https://hackaday.com/2021/04/22/make-your-own-variable-inductor/ | Make Your Own Variable Inductor | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"inductor",
"variable inductor"
] | Inductors are not the most common component these days and variable ones seem even less common. However, with a ferrite rod and some 3D printing, [drjaynes] shows how to
make your own variable inductor
. You can see him show the device off in the video below.
The coil itself is just some wire, but the trick is moving t... | 16 | 8 | [
{
"comment_id": "6342291",
"author": "Michael Black",
"timestamp": "2021-04-23T02:23:44",
"content": "Variable inductors are easy. Wind the coil on a coil form, and then a core of something moves up and down. So the coil form might be threaded, and a powdered iron core (threaded on the outside) g... | 1,760,373,109.527376 | ||
https://hackaday.com/2021/04/22/heating-a-home-with-sunlight-and-water/ | Heating A Home With Sunlight… And Water | Bryan Cockfield | [
"home hacks"
] | [
"dutch",
"geothermal",
"heat",
"home",
"pipe",
"rooftop",
"solar",
"Thermal"
] | The sun is a tremendous source of energy, and while photovoltaic panels are an easy way to harvest some of that energy especially now that prices for them are incredibly low, there are plenty of other ways to tap into that free energy as well. [Engelbert] was looking for alternative ways to heat his house since traditi... | 64 | 18 | [
{
"comment_id": "6342245",
"author": "Saabman",
"timestamp": "2021-04-22T23:11:24",
"content": "I can relate to his woes with the government – I wanted to do something as simple as putting hydronic inslab heating in my workshop shed when it was built and the inspector just couldnt get his head aroun... | 1,760,373,109.355954 | ||
https://hackaday.com/2021/04/22/turn-on-your-lights-with-a-wave-of-a-magic-wand/ | Turn On Your Lights With A Wave Of A Magic Wand | Lewin Day | [
"Misc Hacks"
] | [
"bluetooth",
"bluetooth low energy",
"DA14531"
] | Smartphones and voice assistants are the typical way most of us interact with our smart devices around the home, but it doesn’t have to be the only way. [Sam March] wanted things to feel a little more magical –
so built a wand to do the job instead.
The wand relies on a DA14531 Bluetooth Low Energy (BLE) system-on-chip... | 14 | 6 | [
{
"comment_id": "6342215",
"author": "Garth Bock",
"timestamp": "2021-04-22T20:09:35",
"content": "Remember… “Swish and flick”… Lumos …. or…… Nox to turn the lights off. 🧙♂️",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6342216",
"author": "Garth Bock",... | 1,760,373,109.475225 | ||
https://hackaday.com/2021/04/22/librevna-is-a-quality-open-hardware-vector-network-analyser/ | LibreVNA Is A Quality Open Hardware Vector Network Analyser | Jenny List | [
"Radio Hacks"
] | [
"LibreVNA",
"Vector Network Analyser",
"vna"
] | There was a time when a Vector Network Analyser or VNA was the type of instrument that cost as much as a very fancy car or even a small house. The advent of commodity semiconductors that perform at high RF frequencies coupled with microcontrollers powerful enough to handle the data acquisition and processing might not ... | 39 | 13 | [
{
"comment_id": "6342181",
"author": "Ren",
"timestamp": "2021-04-22T18:31:49",
"content": "That circuit board should be made large enough for children to play cars on!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6342419",
"author": "CW",
... | 1,760,373,109.768723 | ||
https://hackaday.com/2021/04/22/hands-on-with-pinecube-an-open-ip-camera-begging-for-better-kernel-support/ | Hands-On With PineCube: An Open IP Camera Begging For Better Kernel Support | Maya Posch | [
"Hackaday Columns",
"Reviews",
"Slider"
] | [
"Allwinner",
"ip camera",
"Pine64",
"PineCube",
"s3",
"Sochip"
] | When the PineCube was announced by the Pine64 project in 2020, it created
a fair bit of interest
. Most of this was due to the appeal of a single-board computer (SBC) in a network-based (IP) camera form factor with integrated camera module, for a mere $29.99. Add an enclosure to it, and you would have a neat little pac... | 27 | 13 | [
{
"comment_id": "6342170",
"author": "macegr",
"timestamp": "2021-04-22T17:48:59",
"content": "“Significant amounts of time to make even basic things work” is pretty much PINE64’s brand. The products are cheap at least, and the draw of collaborative hacking is fun, but dragging something out of gong... | 1,760,373,109.426275 | ||
https://hackaday.com/2021/04/24/fail-of-the-week-mistaking-units-for-values/ | Fail Of The Week: Mistaking Units For Values | Jenny List | [
"Fail of the Week",
"Parts"
] | [
"fail",
"SN65220",
"units"
] | Usually when we post a Fail Of The Week, it’s a heroic tale of a project made with the best of intentions that somehow failed to hit its mark. The communicator that didn’t, or the 3D-printed linkage that pushed the boundaries of squirted plastic a little bit too far. But today we’re bringing you something from a source... | 93 | 24 | [
{
"comment_id": "6342720",
"author": "JW",
"timestamp": "2021-04-24T17:15:22",
"content": "k for kilo is lowercase. Uppercase K is Kelvin.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6342726",
"author": "DZK",
"timestamp": "2021-04-24T17:3... | 1,760,373,109.656694 | ||
https://hackaday.com/2021/04/24/hack-the-cloud/ | Hack The Cloud! | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"api",
"flexibility",
"future",
"hackers",
"newsletter",
"open",
"the cloud"
] | The obvious rants against software or services “in the cloud” are that you don’t own it, your data isn’t on your own hard drive, or that, when the interwebs are down, you just can’t get your work done. But the one that really grinds my gears is that, at least for many cloud services, you just can’t play around with the... | 33 | 16 | [
{
"comment_id": "6342707",
"author": "Cbob",
"timestamp": "2021-04-24T15:36:42",
"content": "Google Groups is still a thing? LOL",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6342708",
"author": "Bryce Schroeder",
"timestamp": "2021-04-24T15... | 1,760,373,109.925093 | ||
https://hackaday.com/2021/04/24/taking-reverse-engineering-to-the-skies-cheap-drone-gets-px4-autopilot/ | Taking Reverse Engineering To The Skies: Cheap Drone Gets PX4 Autopilot | Stephen Ogier | [
"drone hacks"
] | [
"Autopilot",
"autopilot board",
"PX4",
"quadcopter",
"reverse engineering",
"STM32F405RG"
] | Sometimes bad software is all that is holding good hardware back. [Michael Melchior] wanted to scavenge some motors and propellers for another project, so he bought an inexpensive quadcopter intending to use it for parts. [Michael] was so surprised at the quality of the hardware contained in his $100 drone that he deci... | 3 | 2 | [
{
"comment_id": "6342672",
"author": "Boost-dead boards",
"timestamp": "2021-04-24T12:56:32",
"content": "If only someone could work their reverse engineering wizardry on the boosted boards battery and esc firmware.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,373,109.697729 | ||
https://hackaday.com/2021/04/24/wspr-may-hold-the-key-to-mh370-final-position/ | WSPR May Hold The Key To MH370 Final Position | Jenny List | [
"News",
"Radio Hacks"
] | [
"big data",
"MH370",
"wspr"
] | The disappearance of Malaysia Airlines flight MH370 after an unexplained course change sent it flying south over the Indian Ocean in March 2014 still holds the mystery of the wreck’s final location. There have been a variety of efforts to narrow down a possible search area over the years, and now we have news of a furt... | 53 | 19 | [
{
"comment_id": "6342636",
"author": "Grumpy",
"timestamp": "2021-04-24T09:29:35",
"content": "Sensational news! We found the wreckage!! Oh, no… It’s just a twitter sized speculation.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6342639",
"author": "Saa... | 1,760,373,110.018984 | ||
https://hackaday.com/2021/04/23/building-a-gas-powered-pressure-washer/ | Building A Gas-Powered Pressure Washer | Lewin Day | [
"Tool Hacks"
] | [
"pressure washer",
"sprayer",
"workshop from scratch"
] | While you can always buy the tools you need, there’s something to be said for the satisfaction gained when you pick up a tool you built yourself. [Workshop From Scratch] has built a following out of building his own gear,
the latest of which involved putting together a gas-powered pressure washer
.
The key to the build... | 23 | 4 | [
{
"comment_id": "6342622",
"author": "Bob",
"timestamp": "2021-04-24T07:34:56",
"content": "Nice job. Not cheap. Definitely do not want one. I’d never get any sleep since my wife would have me washing everything in and around the house. Now just need a way to refine your own gas or use some othe... | 1,760,373,110.474192 | ||
https://hackaday.com/2021/04/23/debug-arm-virtually/ | Debug ARM Virtually | Al Williams | [
"ARM"
] | [
"arm",
"arm cortex",
"qemu"
] | With the advent of super powerful desktop computers, many developers make use of some sort of virtual or psuedo-virtual machines (VM). We run Windows in a VM and do kernel development in a VM, too. If you are emulating the same kind of computer you are on then the process is simpler, but it is possible to run, say, ARM... | 8 | 7 | [
{
"comment_id": "6342604",
"author": "MOS 6502 A:00 X:C0 Y:00 SP:BD PC:0000 P:16",
"timestamp": "2021-04-24T03:55:54",
"content": "Not the only time we have been working on rebuilding transistor level simulation virtually though this is more hardware emulation. Though the 6502 isn’t exactly running ... | 1,760,373,110.332437 | ||
https://hackaday.com/2021/04/23/modding-a-hot-wheels-car-into-a-radio-controlled-drift-weapon/ | Modding A Hot Wheels Car Into A Radio Controlled Drift Weapon | Lewin Day | [
"Misc Hacks"
] | [
"R/C car",
"radio control",
"radio controlled car",
"rc"
] | Hot Wheels are some of the most popular diecast toy cars worldwide. The car bodies are faithful recreations of the real thing, though the models are mere stationary playthings. That wasn’t good enough for [Jakarta Diecast Project],
who set about modifying a little BMW E30 M3 into an awesome radio-controlled drift car
.... | 14 | 10 | [
{
"comment_id": "6342589",
"author": "Ren",
"timestamp": "2021-04-24T01:41:25",
"content": "I didn’t think I was going to hang around to watch the entire video.But, I was wrong.That is a cool build.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6342601",
... | 1,760,373,110.524713 | ||
https://hackaday.com/2021/04/23/ooohhh-that-smell-arduino-monitors-air-quality/ | Ooohhh, That Smell: Arduino Monitors Air Quality | Al Williams | [
"Arduino Hacks"
] | [
"air pollution",
"air quality",
"arduino",
"nova pm sensor",
"pm10",
"pm2.5",
"pollution"
] | According to [Dr. Tom Lehrer’s] song
Pollution
, “Wear a gas mask and a veil. Then you can breathe, long as you don’t inhale!” While the air quality in most of the world hasn’t gotten that bad, there is a lot of concern about long-term exposure to particulates in the air causing health problems. [Ashish Choudhary] marr... | 26 | 7 | [
{
"comment_id": "6342527",
"author": "Cyna",
"timestamp": "2021-04-23T20:58:46",
"content": "Use an SPS30 instead. PM1, 2.5, 4 and 10 in one, certified package.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6342605",
"author": "RÖB",
"timest... | 1,760,373,110.588779 | ||
https://hackaday.com/2021/04/23/pi-based-spectrometer-puts-the-complexity-in-the-software/ | Pi-Based Spectrometer Puts The Complexity In The Software | Dan Maloney | [
"Misc Hacks"
] | [
"diffraction",
"laser",
"optics",
"Pi Cam",
"python",
"raspberry pi",
"spectrometer",
"spectroscope",
"spectrum"
] | Play around with optics long enough and sooner or later you’re probably going to want a spectrometer. Optical instruments are famously expensive, though, at least for high-quality units. But a useful spectrometer, like
this DIY Raspberry Pi-based instrument
, doesn’t necessarily have to break the bank.
This one comes t... | 43 | 14 | [
{
"comment_id": "6342489",
"author": "julian martinez",
"timestamp": "2021-04-23T19:13:50",
"content": "nice HW/SW project and very well explained",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6342516",
"author": "Les Wright",
"timestamp": "... | 1,760,373,110.414124 | ||
https://hackaday.com/2021/04/23/paper-bottles-for-your-fizzy-drinks-and-bottle-rockets/ | “Paper” Bottles For Your Fizzy Drinks (And Bottle Rockets) | Jenny List | [
"Featured",
"green hacks",
"Interest",
"News",
"Original Art",
"Slider"
] | [
"bottle",
"drinks bottle",
"packaging",
"paper bottle",
"pet"
] | A story that passed almost unnoticed was that
the Coca-Cola company plan to run a limited trial of paper bottles
. Wait, paper for a pressurized beverage? The current incarnation still uses a plastic liner and cap but future development will focus on a “bio-based barrier” and a bio composite or paper cap tethered to th... | 144 | 28 | [
{
"comment_id": "6342449",
"author": "lol",
"timestamp": "2021-04-23T17:23:04",
"content": "or just use aluminum?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6342481",
"author": "tiranno",
"timestamp": "2021-04-23T18:43:35",
"conte... | 1,760,373,110.818049 | ||
https://hackaday.com/2021/04/23/hackaday-podcast-115-ai-is-bad-at-linux-terminal-puppeting-pico-in-python-3d-scanning-comes-up-short/ | Hackaday Podcast 115: AI Is Bad At Linux Terminal, Puppeting Pico In Python, 3D Scanning Comes Up Short | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Hackaday editors Mike Szczys and Elliot Williams pull back the curtain on a week of excellent hacks. We saw an awesome use of RGB LEDs as a data channel on a drone, and the secrets of an IP camera’s OS laid bare with some neat reverse engineering tools. There’s an AI project for the Linux terminal that guesses at the c... | 2 | 2 | [
{
"comment_id": "6342572",
"author": "redFrik",
"timestamp": "2021-04-23T22:47:24",
"content": "vl53l0x sensor… make sure to remove the thin film lens protection.(been there, done that)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6343725",
"author": "Ta... | 1,760,373,111.040248 | ||
https://hackaday.com/2021/04/23/an-anamorphic-lens-adapter-for-very-pretty-video/ | An Anamorphic Lens Adapter For Very Pretty Video | Lewin Day | [
"digital cameras hacks"
] | [
"anamorphic lens",
"lens",
"lens adapter"
] | Anamorphic lenses are a great way to shoot in widescreen, but they’re prohibitively expensive on digital formats. Enthusiasts have experimented with using anamorphic adapter lenses from old projectors, but focusing can be a chore and results sub-par.
[Andrew] found a way to use these cheap old anamorphic adaptors on a ... | 11 | 5 | [
{
"comment_id": "6342457",
"author": "Leonard",
"timestamp": "2021-04-23T17:46:39",
"content": "A very general instruction about very specific parts. Great work!I don’t see me replicating this though, as I probably can’t get hold of these specific lenses.Don’t let me hold back anyone to do this, I l... | 1,760,373,110.639174 | ||
https://hackaday.com/2021/04/23/this-week-in-security-namewreck-signal-hacks-back-updates-and-more/ | This Week In Security: NAME:WRECK, Signal Hacks Back, Updates, And More | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"pfsense",
"project zero",
"This Week in Security",
"Wireguard"
] | NAME:WRECK is a collection of vulnerabilities in DNS implementations,
discovered by Forescout and JSOF Research
. This body of research can be seen as a continuation of Ripple20 and AMNESIA:33, as it builds on a class of vulnerability discovered in other network stacks, problems with DNS message compression.
Their
PDF ... | 9 | 5 | [
{
"comment_id": "6342411",
"author": "Joe",
"timestamp": "2021-04-23T14:49:24",
"content": "Cliff Stoll is a great story teller, I highly recommend his book, Cuckoo’s egg!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6342413",
"author": "some guy",
"... | 1,760,373,110.861668 | ||
https://hackaday.com/2021/04/23/this-esp8266-dev-board-has-a-surprising-story-behind-it/ | This ESP8266 Dev Board Has A Surprising Story Behind It | Tom Nardi | [
"Microcontrollers",
"Parts"
] | [
"development board",
"ESP8266",
"industrial automation",
"ir receiver",
"max232",
"relay"
] | If you’re looking to get started with the ESP8266, there’s no shortage of development boards out there to select from. But we don’t think you’ll find one with
a more unique a backstory than the open source ME-ESP8266
. That’s because Malouf, the company that makes the $20 USD board, is a home goods company better known... | 24 | 7 | [
{
"comment_id": "6342370",
"author": "sebastian",
"timestamp": "2021-04-23T11:49:44",
"content": "Nice.I wish more companies would be like that.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6342383",
"author": "Per Jensen",
"timestamp": "2021-04-23T1... | 1,760,373,110.926642 | ||
https://hackaday.com/2021/04/22/woofer-based-parts-cleaner-bounces-to-the-beat/ | Woofer-Based Parts Cleaner Bounces To The Beat | Kristina Panos | [
"classic hacks",
"Tool Hacks"
] | [
"amp",
"parts cleaner",
"subwoofer",
"vibratory",
"woofer"
] | Is there anything more satisfying than building a useful machine from mostly junk? We think not. [ke4mcl] is a big fan of reusing and repurposing things before settling for the recycle bin, and was in the market for a vibratory parts tumbler to quickly clean off old, rusty bits and bobs in the course of repairing old e... | 27 | 11 | [
{
"comment_id": "6342142",
"author": "CH",
"timestamp": "2021-04-22T16:32:06",
"content": "That’s pretty cool. Does raise some thoughts on high frequency polishing mixed with lower frequency movement finding the optimum frequencies for cleaning based on type of media.The amplifier and audio is too e... | 1,760,373,111.187256 | ||
https://hackaday.com/2021/04/22/the-fascinating-world-of-fasciation/ | The Fascinating World Of Fasciation | Kristina Panos | [
"Featured",
"Interest",
"Science",
"Slider"
] | [
"abnormal growth",
"fasciation",
"mutant plants",
"strawberries"
] | The other day, I saw
this gigantic mutant strawberry on reddit
that looked like it had either been growing in a radiation zone, hitting the gym regularly, or sprinkled with magic dust. I immediately felt more than mildly interested in this phenomenon, which is called
fasciation
.
As it turns out, fasciation is fairly r... | 45 | 15 | [
{
"comment_id": "6342089",
"author": "Dave",
"timestamp": "2021-04-22T14:07:47",
"content": "Some “races” of plants? Surely that should be species?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6342094",
"author": "Mike Szczys",
"timestamp":... | 1,760,373,111.3263 | ||
https://hackaday.com/2021/04/22/tr-109-picorder-2-really-nails-the-star-trek-aesthetic/ | TR-109 Raspberry Picorder 2 Really Nails The Star Trek Aesthetic | Lewin Day | [
"Misc Hacks"
] | [
"tricorder"
] | Star Trek
famously showed its medical staff using a multifunctional device by the name of the tricorder. While no such devices are regularly used by current medical staff in this timeline, the concept is nonetheless appealing to fans of the show. [directive0] is one such person,
and built himself a replica by the name ... | 9 | 4 | [
{
"comment_id": "6342049",
"author": "damfle",
"timestamp": "2021-04-22T11:45:47",
"content": "In this timelime we have smartphones and IOS/Android (although they does have tablet in StarTrek).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6342050",
"auth... | 1,760,373,111.371423 | ||
https://hackaday.com/2021/04/22/faux-stained-glass-effect-with-3d-printing-and-epoxy/ | Faux Stained Glass Effect, With 3D Printing And Epoxy | Donald Papp | [
"3d Printer hacks",
"Art"
] | [
"3d printed",
"alcohol ink",
"art",
"epoxy",
"resin",
"stained glass"
] | Like the looks of stained glass, but not the amount of work, skill, and materials involved? Well, [Northern Geometry] shows how to sidestep all that nonsense and use a 3D printed frame, epoxy, and some alcohol-based inks to
create a pretty good fake stained-glass effect piece of art
.
A smooth polypropylene board is th... | 14 | 9 | [
{
"comment_id": "6342011",
"author": "Andy Pugh",
"timestamp": "2021-04-22T08:16:53",
"content": "I have the reverse issue, I enjoy the work and process of making stained glass, but don’t really like the end result ;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,373,111.243771 | ||
https://hackaday.com/2021/04/21/gorgeous-6502-celebrates-craftsmanship-of-the-early-homebrewers/ | Gorgeous 6502 Celebrates Craftsmanship Of The Early Homebrewers | Dan Maloney | [
"Retrocomputing"
] | [
"6502",
"aluminum",
"homebrew",
"PERSEUS",
"retrocomputing"
] | The days when a computer had a front panel bristling with switches and LEDs are long gone, and on balance that’s probably for the better in terms of ease of use, raw power, and convenience. That’s not to say there aren’t those who long for the days of flipping switches to enter programs, of course, but it’s a somewhat ... | 36 | 12 | [
{
"comment_id": "6341969",
"author": "Eric Pooch",
"timestamp": "2021-04-22T05:47:45",
"content": "I love how he built the chassis – so simple and elegant. I shelved a project thinking I needed a sheet metal brake to bend up the case. I will try this technique for sure. I really like the look of all... | 1,760,373,111.493624 | ||
https://hackaday.com/2021/04/21/compute-like-it-is-1975-6th-edition-unix-reborn/ | Compute Like It Is 1975: 6th Edition Unix Reborn | Al Williams | [
"Software Hacks"
] | [
"RISC-V",
"unix",
"V6"
] | If you crave experiencing or reliving what computing was like “back then” you have a lot of options. One option, of course, is to load an emulator and pretend like you have the hardware and software you are interested in. Another often expensive option is to actually buy the hardware on the used market. However, [mit-p... | 13 | 4 | [
{
"comment_id": "6341947",
"author": "Bruce Perens",
"timestamp": "2021-04-22T03:10:55",
"content": "Version 6 was especially fun in that it did not have FSCK. Checking and repairing a filesystem was a good deal more diffiicult and required training. Reconnecting a detached directory had to be done ... | 1,760,373,111.418421 | ||
https://hackaday.com/2021/04/21/build-your-own-bluetooth-notification-ticker/ | Build Your Own Bluetooth Notification Ticker | Lewin Day | [
"Misc Hacks"
] | [
"pen plotter"
] | Stock tickers were telegraph-based machines from the 19th century, and quickly fell by the wayside with the advent of computer replacements from the 1960s onwards. However, there’s something charming about small machines that deliver us paper strips of information –
as demonstrated by this notification ticker from [DIY... | 17 | 9 | [
{
"comment_id": "6341912",
"author": "CityZen",
"timestamp": "2021-04-21T23:45:19",
"content": "Hmm, dot matrix. I was expecting stroke writing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6341974",
"author": "Owlman",
"timestamp": "2021-... | 1,760,373,111.650122 | ||
https://hackaday.com/2021/04/21/a-hot-swappable-battery-grip-keeps-the-camera-rolling/ | A Hot-Swappable Battery Grip Keeps The Camera Rolling | Lewin Day | [
"digital cameras hacks"
] | [
"18650",
"18650 battery",
"battery grip",
"camera"
] | There’s nothing worse than being in the middle of an important shot, only to have the camera’s batteries die on you. The losses can be very real, so it’s best to avoid them entirely. In an effort to do so,
[funkster] built himself a battery grip for his Canon EOS M
.
The hack is based around the venerable 18650 battery... | 14 | 3 | [
{
"comment_id": "6341895",
"author": "mrehorst",
"timestamp": "2021-04-21T21:56:43",
"content": "I like this! I’m going to have to do something similar for my Samsung NX500. It’s getting a little long in the tooth but still works great, but the batteries are losing capacity.Where do you get qualit... | 1,760,373,111.592085 | ||
https://hackaday.com/2021/04/21/ferrofluid-dances-in-custom-bluetooth-speaker/ | Ferrofluid Dances In Custom Bluetooth Speaker | Bryan Cockfield | [
"Musical Hacks"
] | [
"bluetooth",
"dancing",
"equalizer",
"ferrofluid",
"msgeq7",
"music",
"speaker",
"visualization"
] | Ferrofluids, as the name implies, are liquids that respond to magnetic fields. They were originally developed for use by NASA as rocket fuel but are available to the general public now for anyone who wants to enjoy their unique properties. For [Dakd Jung], that meant building a special chamber into a Bluetooth speaker ... | 12 | 7 | [
{
"comment_id": "6341838",
"author": "SPD",
"timestamp": "2021-04-21T20:01:29",
"content": "https://www.youtube.com/watch?v=7a3JiGTE9sc",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6341890",
"author": "Todd",
"timestamp": "2021-04-21T21:48:... | 1,760,373,111.54387 | ||
https://hackaday.com/2021/04/21/hacking-an-air-assist-for-the-ortur-laser/ | Hacking An Air Assist For The Ortur Laser | Al Williams | [
"cnc hacks",
"Hackaday Columns",
"Laser Hacks",
"Slider"
] | [
"air assist",
"laser",
"laser cutter",
"laser engraver",
"ortur"
] | Getting great results from a laser cutter takes a bit of effort to make sure all of the settings are just right. But even then, if the air between the material and the laser source is full of smoke and debris it will interfere with the laser beam and throw off the results. The solution is to add air assist which contin... | 13 | 3 | [
{
"comment_id": "6341795",
"author": "JKCalhoun",
"timestamp": "2021-04-21T18:40:58",
"content": "Looks like 5.5W is basically what all these solid-state laser cutters can swing.Anyone know of something closer to 10W without going CO2?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,111.706995 | ||
https://hackaday.com/2021/04/21/bmw-pushing-hard-for-solid-state-battery-tech-plans-demo-by-2025/ | BMW Pushing Hard For Solid-State Battery Tech; Plans Demo By 2025 | Lewin Day | [
"car hacks",
"Hackaday Columns",
"News",
"Slider"
] | [
"battery",
"battery technology",
"bmw",
"car",
"car hacks",
"cars",
"solid-state battery"
] | Plenty of development is ongoing in the world of lithium batteries for use in electric vehicles. Automakers are scrapping for every little percentage gain to add a few miles of range over their competitors, with efforts to reduce charging times just as frantic as well.
Of course, the real win would be to succeed in bri... | 26 | 10 | [
{
"comment_id": "6341748",
"author": "Gravis",
"timestamp": "2021-04-21T17:23:26",
"content": "They can put out a demo by 2025 but if the past is a guide, it’s more likely that solid state batteries will be ready in 2030. It’s a fantastic technology that I’m looking forward to but rushing science i... | 1,760,373,111.801608 | ||
https://hackaday.com/2021/04/21/auto-ball-launcher-will-be-your-dogs-new-best-friend/ | Auto Ball Launcher Will Be Your Dog’s New Best Friend | Kristina Panos | [
"Arduino Hacks"
] | [
"ball launcher",
"dog toy",
"esc",
"fetch machine",
"proximity sensor",
"RC motor",
"servo"
] | If there’s one bright spot on the blight that is this pandemic, it’s got to be all the extra time we’re spending with our pets. Dogs especially love that we’re home all the time and want to spend it playing, but sometimes you need to get stuff done. Why not head outside with your laptop and keep the dog happy with an a... | 22 | 11 | [
{
"comment_id": "6341694",
"author": "Alice Lalita Heald",
"timestamp": "2021-04-21T16:09:39",
"content": "Loop:FETCH ballGOTO loopdoesn’t seem that smart compared to a cat :D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6341786",
"author": "Bernie... | 1,760,373,112.08719 | ||
https://hackaday.com/2021/04/21/iso-8601-ending-the-date-wars-and-confusing-everyone-equally/ | ISO 8601: Ending The Date Wars And Confusing Everyone Equally | Jenny List | [
"clock hacks",
"Featured",
"Interest",
"Original Art",
"Rants",
"Slider"
] | [
"decimal time",
"epoch time",
"ISO-8601"
] | There’s a document I had to sign to wrap up a community responsibility in rural Oxfordshire. At the bottom, dotted lines for signature and date. My usual illegible scrawl for a signature, and scribble in the date below it. Then there’s the moment when the lady handling the form scans it with a puzzled face for a minute... | 215 | 40 | [
{
"comment_id": "6341618",
"author": "Skip Flem",
"timestamp": "2021-04-21T14:06:09",
"content": "Do anybody really know what time it is?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6341623",
"author": "YGDES",
"timestamp": "2021-04-21T14:... | 1,760,373,112.770329 | ||
https://hackaday.com/2021/04/21/mythbusting-tidals-mqa-format-how-does-it-measure-up/ | Mythbusting Tidal’s MQA Format – How Does It Measure Up? | Lewin Day | [
"digital audio hacks"
] | [
"audio",
"audio format",
"audio formats",
"compressed audio",
"digital audio",
"flac",
"lossless",
"mqa",
"tidal"
] | MQA is an audio format that claims to use a unique “origami” algorithm, promising better quality and more musicality than other formats. At times, it’s been claimed to be a lossless format in so many words, and lauded by the streaming services that use it as the ultimate format for high-fidelity music. With the format ... | 117 | 27 | [
{
"comment_id": "6341582",
"author": "Antron Argaiv",
"timestamp": "2021-04-21T11:51:12",
"content": "Audio encoding seems to be a lot like cryptography in the respect that every so often, someone comes on to the scene, touting a “breakthrough technology” that’s orders of magnitude better than the c... | 1,760,373,112.517432 | ||
https://hackaday.com/2021/04/20/incandescent-7-segment-displays-are-awesome/ | Incandescent 7-Segment Displays Are Awesome | Lewin Day | [
"Misc Hacks"
] | [
"7-segment display",
"filament bulb",
"seven segment display"
] | When we think of 7-segment displays as the ubiquitous LED devices that sprung into popularity in the 1970s. However, numbers have existed for a lot longer than that, and people have wanted to know what the numbers are for quite some time, too. Thus, a variety of technologies were used prior to the LED –
such as these m... | 17 | 12 | [
{
"comment_id": "6341343",
"author": "YGDES",
"timestamp": "2021-04-20T15:55:32",
"content": "And then,Numitrons",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6341344",
"author": "YGDES",
"timestamp": "2021-04-20T15:56:55",
"content"... | 1,760,373,112.023181 | ||
https://hackaday.com/2021/04/20/a-look-at-the-most-aerodynamic-cars-ever-built/ | A Look At The Most Aerodynamic Cars Ever Built | Lewin Day | [
"car hacks",
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"aerodynamics",
"automobile",
"car",
"car hacks",
"drag",
"drag reduction"
] | Whether gasoline, diesel, or electric, automakers work hard to wring every last drop of mileage out of their vehicles. Much of this effort goes towards optimising aerodynamics. The reduction of drag is a major focus for engineers working on the latest high-efficiency models, and has spawned a multitude of innovative de... | 77 | 26 | [
{
"comment_id": "6341303",
"author": "andrej",
"timestamp": "2021-04-20T14:14:02",
"content": "For Tatra T87 (successor of T77) check the great Jay Leno’s reviewhttps://youtube.com/watch?v=c2XyLgv-UQYwith unique look at the bottom side of the car.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,373,112.298139 | ||
https://hackaday.com/2021/04/20/led-hack-teaches-dji-mini-2-drone-new-tricks/ | LED Hack Teaches DJI Mini 2 Drone New Tricks | Tom Nardi | [
"drone hacks",
"LED Hacks"
] | [
"DJI",
"drone",
"dropper",
"h-bridge",
"payload",
"PIC18F26K40",
"quadcopter",
"release"
] | Despite its diminutive proportions, the thrust to weight ratio of the DJI Mini 2 is high enough that it can carry a considerable amount of baggage. So it’s no surprise that there’s a cottage industry of remotely controlled payload releases that can be bolted onto the bottom of this popular quadcopter. But
[tterev3] wan... | 18 | 10 | [
{
"comment_id": "6341265",
"author": "k1708834studentskatyisdorg",
"timestamp": "2021-04-20T11:38:17",
"content": "nice.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6341410",
"author": "david hudgins",
"timestamp": "2021-04-20T19:00:00",
... | 1,760,373,112.889973 | ||
https://hackaday.com/2021/04/20/ai-makes-linux-do-what-you-mean-not-what-you-say/ | AI Makes Linux Do What You Mean, Not What You Say | Al Williams | [
"Linux Hacks",
"Machine Learning"
] | [
"ai",
"artificial intelligence",
"bash",
"GPT-2",
"linux",
"openai",
"shell"
] | We are always envious of the Star Trek Enterprise computers. You can just sort of ask them a hazy question and they will — usually — figure out what you want. Even the automatic doors seemed to know the difference between someone walking into a turbolift versus someone being thrown into the door during a fight. [River]... | 30 | 14 | [
{
"comment_id": "6341234",
"author": "gftt",
"timestamp": "2021-04-20T08:07:05",
"content": "hello computerhello….?hm… not workingI must using keyboard myself?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6341248",
"author": "Steve",
"timestamp": "20... | 1,760,373,112.361762 | ||
https://hackaday.com/2021/04/19/adjustable-piston-damped-hammer/ | Adjustable, Piston-Damped Hammer | Bryan Cockfield | [
"Tool Hacks"
] | [
"brass",
"damper",
"dead blow",
"deadblow",
"hammer",
"lathe",
"leather",
"machine",
"tool",
"wood"
] | When all you have is a hammer, every problem is a constant quest for an even better hammer, as the popular saying goes. At least, that seems to be [Ebenisterie Éloïse]’s situation.
She wanted a deadblow hammer
that not only had an aesthetically pleasing wood and brass construction, but also one that included adjustable... | 27 | 11 | [
{
"comment_id": "6341210",
"author": "Martin",
"timestamp": "2021-04-20T05:20:53",
"content": "And I was naive to think that hammer is just a simple peace of iron. :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6341220",
"author": "Phil",
... | 1,760,373,112.831819 | ||
https://hackaday.com/2021/04/19/inside-a-dec-hard-drive/ | Inside A DEC Hard Drive | Al Williams | [
"Retrocomputing",
"Teardown"
] | [
"DEC",
"Digital Equipment Corporation",
"Disk drive",
"pdp8",
"retrocomputing",
"RS08",
"teardown"
] | A lot of technology from the not-so-distant past doesn’t resemble modern versions very much. For a case in point, look at the DEC RS08 disk drive meant to pair with a circa 1970 PDP-8. Paired with an RF08 controller, this was state of the art, holding 262K 12-bit words with a blistering access speed of almost 63K/secon... | 40 | 16 | [
{
"comment_id": "6341160",
"author": "Ostracus",
"timestamp": "2021-04-20T02:07:24",
"content": "Any useful data on that drive?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6341203",
"author": "Definitely not John",
"timestamp": "2021-04-20... | 1,760,373,112.965684 | ||
https://hackaday.com/2021/04/19/smart-pet-feeder-is-well-engineered/ | Smart Pet Feeder Is Well Engineered | Anool Mahidharia | [
"home hacks"
] | [
"cat",
"cat feeder",
"cat food",
"pet bowl filling",
"pet feeder"
] | Having pets can sometimes be more demanding than raising kids. Pet owners obviously love and adore their pets, but anything that can be done to reduce their “chores” can be a welcome relief. One big pain point is feeding them at the right time and in the right amount, especially when it comes to cats. As the saying goe... | 19 | 11 | [
{
"comment_id": "6341131",
"author": "Mike",
"timestamp": "2021-04-19T23:11:53",
"content": "If it were a Smart pet feeder it wouldn’t need to do anything.A Smart Pet should be able to feed itself!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6341136",
... | 1,760,373,113.026242 | ||
https://hackaday.com/2021/04/19/pistorm-brings-modern-muscle-to-the-amiga/ | PiStorm Brings Modern Muscle To The Amiga | Lewin Day | [
"Raspberry Pi",
"Retrocomputing"
] | [
"amiga",
"cpld",
"raspberry pi"
] | The Amiga, well known as the best and greatest computer ever designed, is nonetheless a platform of yesteryear. Its 68K, and later PowerPC, architectures have both been abandoned by the mainstream, and its attractive grey industrial design no longer graces store shelves. That doesn’t mean the platform is dead however,
... | 40 | 9 | [
{
"comment_id": "6340883",
"author": "steves",
"timestamp": "2021-04-19T09:28:54",
"content": "If only we could spend a half as much time living in the present as what we do living in the past then we would be spending considerably more time living in the present and with perhaps some spent looking... | 1,760,373,113.104885 | ||
https://hackaday.com/2021/04/18/diy-wireless-serial-adapter-speaks-true-rs-232/ | DIY Wireless Serial Adapter Speaks (True) RS-232 | Donald Papp | [
"Microcontrollers",
"Retrocomputing",
"Wireless Hacks"
] | [
"adapter",
"bipolar locig",
"bluetooth",
"bridge",
"rs-232",
"rs232",
"serial",
"vintage",
"wifi",
"wireless"
] | There is a gotcha lurking in wait for hackers who look at a piece of equipment, see a port labeled “Serial / RS-232”, and start to get ideas. The issue is the fact that the older the equipment, the more likely it is to be a bit old-fashioned about how it expects to speak RS-232. Vintage electronics may expect the seria... | 80 | 21 | [
{
"comment_id": "6340841",
"author": "bigredlevy",
"timestamp": "2021-04-19T05:10:56",
"content": "*DE-9 not DB-9D-subminiature 9 pin connector size E.https://en.m.wikipedia.org/wiki/D-subminiature",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6340881",
... | 1,760,373,113.35006 | ||
https://hackaday.com/2021/04/18/exploring-op-amp-loading/ | Exploring Op Amp Loading | Al Williams | [
"Tool Hacks"
] | [
"capacitive load",
"capacitive loading",
"op-amp"
] | Op amps are generally pretty easy to apply, but there are some practical nonideal behaviors you have to keep in mind. [EEforEveryone] takes a test board with some 2X amplifiers on it and — after some fiddling around with the scope probes — demonstrates
the effect of capacitive loading
on the output of an op amp. (Video... | 13 | 6 | [
{
"comment_id": "6340827",
"author": "jpa",
"timestamp": "2021-04-19T04:05:39",
"content": "It seems the video just shows low-pass behavior due to the output impedance. With some opamps, it becomes much more unstable with even a small capacitive load:https://jpa.kapsi.fi/stuff/pix/stable.png(unfortu... | 1,760,373,113.396585 | ||
https://hackaday.com/2021/04/18/hackaday-links-april-18-2021/ | Hackaday Links: April 18, 2021 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"enigma",
"hackaday links",
"health",
"helicopter",
"Ingenuity",
"InSight",
"mars",
"mild steel",
"Perseverance",
"pi zero",
"RF modulator",
"safety"
] | More bad news from Mars this week, and this time not just from Perseverance. Last week the eagerly anticipated first flight of the helicopter Ingenuity was delayed for a couple of days after failing a full-speed spin-up test of its rotors. That appears to have been
a bigger deal than initially thought
, as it required ... | 14 | 9 | [
{
"comment_id": "6340804",
"author": "Hirudinea",
"timestamp": "2021-04-19T00:09:05",
"content": "I like the PiMod Zero rf modulator, just a couple of questions, how hard is it to get higher VHF channels and the same for PAL? Oh and if you want to play with old encryption machines there is a website... | 1,760,373,113.450016 | ||
https://hackaday.com/2021/04/18/shapeshifting-streetlights-are-the-future-we-want-to-live-in/ | Shapeshifting Streetlights Are The Future We Want To Live In | Lewin Day | [
"LED Hacks"
] | [
"street lamp",
"street light",
"streetlamp",
"streetlight"
] | Regular streetlights are all well and good, bathing us in the glow of their sodium, or more increasingly LED, lamps. They’re mostly rigid metal contraptions installed primarily for public safety purposes. They could be so much more, however,
as the Bloomlight demonstrates.
The light consists of a flexible main stem, wh... | 32 | 10 | [
{
"comment_id": "6340755",
"author": "Lee Studley",
"timestamp": "2021-04-18T20:32:52",
"content": "These are Simon Stålenhag -esque streetlights. Would fit right in.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6340757",
"author": "irox",
"timestamp... | 1,760,373,113.700287 | ||
https://hackaday.com/2021/04/18/this-pineapple-keyboard-is-the-bomb/ | This Pineapple Keyboard Is The Bomb | Kristina Panos | [
"Arduino Hacks",
"handhelds hacks"
] | [
"grenade",
"macro keyboard",
"macro keypad",
"macro pad",
"pineapple",
"QMK"
] | Now why didn’t we think of this? While building a dactyl manuform — a semi-ergonomic split keyboard — [dapperrogue] had the life-changing epiphany that keyboards can be any shape or size, as long as there is room for wiring and a microcontroller inside. [dapperrogue]’s first foray into the world of fictional ordnance c... | 29 | 12 | [
{
"comment_id": "6340725",
"author": "Jonathan Bennett",
"timestamp": "2021-04-18T17:51:56",
"content": "Just don’t try to fly with it. The TSA have zero sense of humor about such things.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6340748",
"auth... | 1,760,373,113.628804 | ||
https://hackaday.com/2021/04/18/bridging-the-pc-and-embedded-worlds-with-pico-and-python/ | Bridging The PC And Embedded Worlds With Pico And Python | Stephen Ogier | [
"Raspberry Pi"
] | [
"gpio",
"i2c",
"i2c interface",
"micropython",
"Raspberry Pi Pico",
"spi",
"ssd1306"
] | Although protocols like I2C and SPI are great for communicating between embedded devices and their peripherals, it can be a pain to interface these low-level digital interfaces to a PC. [Alexandre] typically used an Arduino to bridge between the PC and embedded worlds, but he got tired of defining a custom serial proto... | 17 | 9 | [
{
"comment_id": "6340690",
"author": "ConsultingJoe",
"timestamp": "2021-04-18T14:08:29",
"content": "Nice, a how to video would be great to see this in action 🎬👍",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6340692",
"author": "Mike Donovan",
"tim... | 1,760,373,113.547336 | ||
https://hackaday.com/2021/04/21/easy-usb%e2%80%91c-power-for-all-your-devices/ | Easy USB‑C Power For All Your Devices | Anool Mahidharia | [
"Tech Hacks"
] | [
"ATtiny 816",
"optical programming",
"STUSB4500",
"UPDI",
"USB C",
"USB-C PD"
] | [Mansour Behabadi] wanted to harness the high power capability of USB-C using as simple a hardware design as possible. After some research and experimental prototyping, he designed the
fpx — an easy to use USB‑C power delivery board
. The fpx is an improved follow up to his earlier USB PD project
fabpide2
which we feat... | 28 | 12 | [
{
"comment_id": "6341581",
"author": "Fallen",
"timestamp": "2021-04-21T11:48:40",
"content": "This is exactly what I was looking for, thank you!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6341601",
"author": "Greg A",
"timestamp": "2021-04-21T13:1... | 1,760,373,113.765706 | ||
https://hackaday.com/2021/04/20/battery-analyzer-puts-alkaline-cells-to-the-test/ | Battery Analyzer Puts Alkaline Cells To The Test | Tom Nardi | [
"Arduino Hacks",
"Parts"
] | [
"battery analysis",
"battery tester",
"current sensor",
"INA219"
] | We know, we know. Generally speaking, you should try and switch your household devices over to rechargeable cells rather than using disposable alkaline batteries. But while they might seem increasingly quaint in the lithium-ion era, features such as a long shelf life make it worth keeping a pack of disposables around. ... | 61 | 17 | [
{
"comment_id": "6341524",
"author": "Englund",
"timestamp": "2021-04-21T05:32:46",
"content": "Another nice resource, albeit a bit old, ishttps://lygte-info.dk/review/batteries2012/CommonAAcomparator.php",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6341527"... | 1,760,373,115.864904 | ||
https://hackaday.com/2021/04/20/a-useful-macro-pad-for-microsoft-teams/ | A Useful Macro Pad For Microsoft Teams | Lewin Day | [
"Misc Hacks"
] | [
"microsoft teams",
"stream deck",
"streamdeck"
] | Working from home has now become
de rigeur
for many more people around the globe. With it, has sprung up a desire for better controls for streaming and conferencing software. There are plenty of streamdecks on the market, of course, but this isn’t BuyADay, it’s HackADay.
Thus, you’ll want to check out this great build ... | 15 | 13 | [
{
"comment_id": "6341509",
"author": "Andrew",
"timestamp": "2021-04-21T03:43:56",
"content": "This one is all you need for anything from Microsoft:http://www.visualjokes.com/pics/keyb3.jpg",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6342719",
"au... | 1,760,373,115.60951 | ||
https://hackaday.com/2021/04/20/no-nixie-nixie-clock/ | No-Nixie Nixie Clock | Chris Lott | [
"clock hacks"
] | [
"IPS display",
"nixie clock",
"nixie tube",
"nixie tube alternative"
] | Over on [Techmoan]’s YouTube channel
he’s excited about a new gadget
that finally arrived after months of waiting — the EleksTube IPS fake Nixie tube clock. This is a re-imagining of a Nixie tube clock using six 135×240 pixel IPS display panels. They are mounted like tiny billboards, each one inside glass bulbs to mimi... | 27 | 13 | [
{
"comment_id": "6341462",
"author": "CityZen",
"timestamp": "2021-04-20T23:37:17",
"content": "YouTube is getting very good at predicting future HaD posts.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6341473",
"author": "Steve L",
"timestamp": "202... | 1,760,373,116.028521 | ||
https://hackaday.com/2021/04/20/you-wont-believe-how-much-tech-is-hiding-in-this-desk/ | You Won’t Believe How Much Tech Is Hiding In This Desk | Kristina Panos | [
"computer hacks"
] | [
"minimalism",
"pc",
"pc case",
"scanner",
"thermal printer"
] | Say what you will about office life: there were definitely some productivity perks, but the coffee is much better at home. Like many of us, [Pierre] has been working from home for the last year or so. And as much as he might enjoy spending so much time in his small Parisian apartment, it lacks many of the amenities of ... | 23 | 8 | [
{
"comment_id": "6341434",
"author": "X",
"timestamp": "2021-04-20T21:05:29",
"content": "Any accomodation of obsolete “paper” based technology should include an inkwell and a stand for a whale oil lantern. Perhaps a blotter and a wax sealing kit, and some 2 cent stamps.",
"parent_id": null,
... | 1,760,373,115.382489 | ||
https://hackaday.com/2021/04/20/camera-hack-peels-back-layers-of-embedded-linux/ | Camera Hack Peels Back Layers Of Embedded Linux | Tom Nardi | [
"Linux Hacks",
"Software Hacks"
] | [
"decompile",
"Embedded Linux",
"flash storage",
"Ghidra",
"network camera",
"reverse engineering",
"security camera",
"spi"
] | Embedded Linux devices are everywhere these days, and sooner or later, you’re going to want to poke around in one of them. But how? That’s where posts like this one from [Felipe Astroza] come in.
While his work is focused on the Foscam C1 security camera
, the techniques and tools he outlines here will work on all sort... | 18 | 4 | [
{
"comment_id": "6341398",
"author": "mschweini",
"timestamp": "2021-04-20T18:39:11",
"content": "Why wont companies that use linux firmwares give us root access? I reckon that at CCTV company that is hacker and maker friendly would become quite popular. Maybe do it like Chromebooks, which usually h... | 1,760,373,116.087336 | ||
https://hackaday.com/2021/04/20/what-to-expect-from-3d-scanning-and-how-to-work-with-it/ | What To Expect From 3D Scanning, And How To Work With It | Donald Papp | [
"3d Printer hacks",
"Hackaday Columns",
"Slider"
] | [
"3d modeling",
"3D Printering",
"3d scanning",
"cad",
"part design",
"Photogrammetry"
] | 3D scanning and 3D printing may sound like a natural match for one another, but they don’t always play together as easily and nicely as one would hope. I’ll explain what one can expect by highlighting three use cases the average hacker encounters, and how well they do (or don’t) work. With this, you’ll have a better id... | 19 | 12 | [
{
"comment_id": "6341364",
"author": "Eric R Mockler",
"timestamp": "2021-04-20T17:15:41",
"content": "I’ve scanned things on a flatbed scanner -> svg –> CAD -> STL.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6341371",
"author": "Jon H",
... | 1,760,373,115.555283 | ||
https://hackaday.com/2021/04/19/large-format-lego-camera-is-a-bit-near-sighted/ | Large Format Lego Camera Is A Bit Near-Sighted | Zach Zeman | [
"digital cameras hacks",
"Misc Hacks"
] | [
"camera",
"film camera",
"film photography",
"large format camera",
"large format photography",
"lego"
] | Photography doesn’t have to be expensive, something that’s especially true in the realm of film photography, where the imperfections of the medium can be half the appeal. There are many DIY plans and kits available for analog cameras, but [bhiga143] had couple spare components and a pile of small, colorful bricks lying... | 7 | 3 | [
{
"comment_id": "6341093",
"author": "Ren",
"timestamp": "2021-04-19T20:38:15",
"content": "LEGO(always capitalized, never pluralized)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6341109",
"author": "Phil",
"timestamp": "2021-04-19T21:52:5... | 1,760,373,115.436277 | ||
https://hackaday.com/2021/04/19/a-superheterodyne-receiver-with-a-74xx-twist/ | A Superheterodyne Receiver With A 74xx Twist | Dan Maloney | [
"Radio Hacks"
] | [
"74xx",
"am",
"demodulator",
"discrete",
"IF",
"LC",
"local oscillator",
"mixer",
"radio",
"shortwave",
"superheterodyne"
] | In a world with software-defined radios and single-chip receivers, a superheterodyne shortwave radio might not exactly score high on the pizzazz scale. After all, people have been mixing, filtering, and demodulating RF signals for more than a century now, and the circuits that do the job best are pretty well characteri... | 32 | 8 | [
{
"comment_id": "6341056",
"author": "Harvie.CZ",
"timestamp": "2021-04-19T18:50:34",
"content": "Few decades ago it was illegal to listen to abroad radio in my country. Radio receivers on the market were restricted to local bands. It was even illegal to posses parts needed to build such unrestricte... | 1,760,373,115.676502 | ||
https://hackaday.com/2021/04/19/the-wright-stuff-first-powered-flight-on-mars-is-a-success/ | The Wright Stuff: First Powered Flight On Mars Is A Success | Dan Maloney | [
"Current Events",
"drone hacks",
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"helicopter",
"Ingenuity",
"jpl",
"mars",
"Mars 2020",
"mars helicopter",
"nasa"
] | When you stop to think about the history of flight, it really is amazing that the first successful flight the Wright brothers made on a North Carolina beach to Neil Armstrong’s first steps on the Moon spanned a mere 66 years. That we were able to understand and apply the principles of aerodynamics well enough to advanc... | 59 | 20 | [
{
"comment_id": "6341034",
"author": "Crawford",
"timestamp": "2021-04-19T17:36:26",
"content": "Awesome accompishment! Congratulations to the Ingenuity team!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6341037",
"author": "Timo Birnschein",
"timest... | 1,760,373,115.962558 | ||
https://hackaday.com/2021/04/19/avr-reverse-engineering-hack-chat/ | AVR Reverse Engineering Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"arduino",
"assembly",
"AVR",
"datasheet",
"Hack Chat",
"ide",
"microcontroller",
"pico",
"rp2040"
] | Join us on Wednesday, April 21 at noon Pacific for the
AVR Reverse Engineering Hack Chat
with
Uri Shaked
!
We’ve all become familiar with the Arduino ecosystem by now, to the point where it’s almost trivially easy to whip up a quick project that implements almost every aspect of its functionality strictly in code. It’s... | 10 | 2 | [
{
"comment_id": "6341058",
"author": "Dude",
"timestamp": "2021-04-19T19:04:04",
"content": "The irony is, what’s going on inside the AVR is in the end quite simple and easy to understand once you have a look around. The Arduino ecosystem manages to obfuscate that to the newcomers by saying essentia... | 1,760,373,115.490955 | ||
https://hackaday.com/2021/04/19/8-bit-computer-addresses-leds/ | 8-Bit Computer Addresses LEDs | Bryan Cockfield | [
"LED Hacks"
] | [
"8 bit",
"addressable",
"array",
"computer",
"display",
"gate",
"led",
"logic",
"ram",
"rgb",
"ttl"
] | Homebrew 8-bit computers tend to have fairly limited displays, often one or more seven-segment displays and an array of LEDs to show the values of RAM or perhaps some other states of the computer. [Duncan] is in the process of building just such an computer, but wondered if there was a way to create a more visually app... | 2 | 2 | [
{
"comment_id": "6341119",
"author": "CRJEEA",
"timestamp": "2021-04-19T22:22:21",
"content": "I’ve been contemplating something similar but with a long chain of serial to serial shift registers, maybe 64 or 128 bits each, then selecting between two clock speeds. A slow clock for filling the registe... | 1,760,373,116.127296 | ||
https://hackaday.com/2021/04/19/space-propulsion-separating-fact-from-science-fiction/ | Space Propulsion: Separating Fact From Science Fiction | Maya Posch | [
"Featured",
"Interest",
"Original Art",
"Science",
"Slider",
"Space"
] | [
"faster than light",
"FTL",
"ion thruster",
"rocket engine",
"space propulsion",
"warp drive"
] | An unfortunate property of science-fiction is that it is, tragically, fiction. Instead of soaring between the stars and countless galaxies out there, we find ourselves hitherto confined to this planet we call Earth. Only a handful of human beings have ever made it as far as the Earth’s solitary moon, and just two of ou... | 102 | 28 | [
{
"comment_id": "6340938",
"author": "Sam Ochi",
"timestamp": "2021-04-19T14:17:37",
"content": "What is so bad about going at fraction of light and realize that where one spends weeks in travel, the folks at home spends decades waiting. So a round trip will cause one to see his great grand kids — ... | 1,760,373,116.321558 | ||
https://hackaday.com/2021/04/19/power-supply-uses-thin-form-factor/ | Power Supply Uses Thin Form Factor | Al Williams | [
"3d Printer hacks",
"Tool Hacks"
] | [
"atx",
"power supply",
"tfx",
"upcycle"
] | We’ve seen lots of power supply projects that start with an ATX PC power supply. Why not? They are cheap and readily available. Generally, they perform well and have a good deal of possible output. [Maco2229’s] design, though,
looks a lot different
. First, it is in a handsome 3D-printed enclosure. But besides that, it... | 8 | 4 | [
{
"comment_id": "6340981",
"author": "Brian",
"timestamp": "2021-04-19T15:35:30",
"content": "“As well, this is not laboratory power supply. I don’t know the level of noise or any other parameters which is required for lab PSUs, so don’t even think about this thing that way.”At least this designer w... | 1,760,373,116.366205 | ||
https://hackaday.com/2021/04/18/toggle-switch-puzzle-boggles-the-mind-opens-the-box/ | Toggle Switch Puzzle Boggles The Mind, Opens The Box | Kristina Panos | [
"classic hacks",
"Misc Hacks"
] | [
"9V battery",
"DPDT",
"lock box",
"solenoid",
"spdt",
"toggle switch"
] | We all have too much stock of one component or another. Maybe you have more audio pots than you know what to do with, or maybe it’s zener diodes. For [technologyguy], that thing is a pile of toggle switches. Fortunately he’s always wanted to build
a locking box with a binary code that’s laid out in switches
— as in, f... | 13 | 5 | [
{
"comment_id": "6340681",
"author": "bruce",
"timestamp": "2021-04-18T11:36:50",
"content": "I believe the Radio Shack game was called “Which Switch”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6340713",
"author": "Old Guy",
"timestamp": "2021-04-1... | 1,760,373,116.181475 | ||
https://hackaday.com/2021/04/18/heads-up-smart-glass-multimeter/ | Heads Up: Smart Glass Multimeter | Al Williams | [
"Tool Hacks"
] | [
"ar",
"augmented reality",
"bluetooth",
"google glass"
] | Sometimes it is hard to probe a circuit and then look over at the meter. [Electronoobs] decided to fix that problem by making a
Google Glass-like multimeter
using an OLED screen and Bluetooth module.
The custom PCB doesn’t have many surprises. A small board has a controller, a battery charger, a display, and a Bluetoot... | 20 | 9 | [
{
"comment_id": "6340666",
"author": "mmm",
"timestamp": "2021-04-18T10:25:49",
"content": "This version:https://hackaday.com/2016/10/05/hackaday-prize-entry-head-up-for-high-voltage/looks (and propably works) better.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,373,116.933241 | ||
https://hackaday.com/2021/04/17/dos-gaming-pc-gets-necessary-updates/ | DOS Gaming PC Gets Necessary Updates | Bryan Cockfield | [
"Retrocomputing"
] | [
"486",
"custom",
"gaming",
"mini",
"pc/104",
"retrocomputing",
"sound blaster",
"x86"
] | PC-104 is a standard computer form factor that most people outside of industrial settings probably haven’t seen before. It’s essentially an Intel 486 processor with lots of support for standards that have long since disappeared from most computers, but this makes it great for two things: controlling old industrial equi... | 10 | 6 | [
{
"comment_id": "6340656",
"author": "Old Guy",
"timestamp": "2021-04-18T08:20:28",
"content": "I find this outdated-looking stuff beautiful. Thank you!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6340663",
"author": "macona",
"timestamp": "2021-04... | 1,760,373,116.7988 | ||
https://hackaday.com/2021/04/17/guide-to-mastering-openscad-costs-roughly-the-same-as-openscad/ | Guide To Mastering OpenSCAD Costs Roughly The Same As OpenSCAD | Kristina Panos | [
"how-to",
"Software Hacks"
] | [
"3d printing",
"openscad"
] | OpenSCAD is a fantastic free tool for 3D modeling, but it’s far less intuitive to use for non-programmers than mouse-driven programs such as Tinkercad. Powerful as it may be, the learning curve is pretty steep. OpenSCAD’s own clickable cheat sheet and manual comes in handy all the time, but those are really more of a r... | 36 | 11 | [
{
"comment_id": "6340649",
"author": "Daniel Dunn",
"timestamp": "2021-04-18T07:30:35",
"content": "Such an awesome project! It looks great for those who enjoy the code-based workflow.However, I hope nobody chooses it primarily because it’s free and open. If that’s your main reason, look at realth... | 1,760,373,116.875726 | ||
https://hackaday.com/2021/04/17/pedaling-away-under-the-cover-of-your-desk/ | Pedaling Away Under The Cover Of Your Desk | Matthew Carlson | [
"Wireless Hacks"
] | [
"bluetooth",
"exercise",
"exercise bike"
] | [Wayne Venables], like many of us, found himself sitting more than usual the past few months. Armed with a Bluetooth-enabled under desk exercise bike, he quickly found the app to be rather sub-optimal and
set about reverse-engineering the protocol of his bike
.
Custom GUI for the exercise bike
The first step was to us... | 6 | 3 | [
{
"comment_id": "6340632",
"author": "RW ver 0.0.3",
"timestamp": "2021-04-18T03:14:41",
"content": "Maybe it’s a big galoot thing, but I never found a desk or table I could do more than raise my heels a couple inches off the floor before my knees hit, so find the idea of pedaling underneath it rath... | 1,760,373,116.640998 | ||
https://hackaday.com/2021/04/17/kitchen-bump-bar-plays-doom-between-orders/ | Kitchen Bump Bar Plays Doom Between Orders | Dan Maloney | [
"Games",
"Misc Hacks"
] | [
"bump bar",
"doom",
"fast food",
"food service",
"KDS",
"kitchen display system",
"restaurant",
"Solitaire",
"X-DOS"
] | For as much as we love reverse engineering projects, we have to admit that we almost passed up on
this “kitchen bump bar” hack
. Having never had the privilege of working in the food-service industry — well, there was that time working at Chuck E. Cheese’s, but that only lasted for one shift — we were unaware of what a... | 6 | 3 | [
{
"comment_id": "6340618",
"author": "Sam",
"timestamp": "2021-04-18T00:19:15",
"content": "I just saw a YouTube video where a guy took apart one of these and found a Pentium clone (https://youtu.be/BdSJgoP2a88) so I’d be curious what this is using that it can only run Doom kinda slowly….",
"par... | 1,760,373,116.683648 | ||
https://hackaday.com/2021/04/17/a-halo-of-leds-for-every-ear/ | A HALO Of LEDs For Every Ear | Kerry Scharfglass | [
"Art",
"hardware",
"Wearable Hacks"
] | [
"animation",
"audio reactive",
"earrings",
"led",
"microphone",
"stm8"
] | Few things get a Hackaday staffer excited like bunches of tiny LEDs. The smaller and denser the better, any form will do as long as we can get a macro shot or a video of a buttery smooth animation. This time we turn to [Sawaiz Syed] and [Open Kolibri] to deliver the brightly lit goods with the minuscule
HALO 90 reactiv... | 28 | 11 | [
{
"comment_id": "6340566",
"author": "Alphatek",
"timestamp": "2021-04-17T18:23:01",
"content": "They’d make terrible broaches. Nowhere near sharp enough. Brooches, on the other hand… :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6340592",
"auth... | 1,760,373,116.75228 | ||
https://hackaday.com/2021/04/17/junkbox-confidential/ | Junkbox Confidential | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"junk",
"newsletter",
"rotary phone",
"space mouse"
] | Thomas Edison famously quipped “To invent, you need a good imagination and a pile of junk.” Amen, brother. My personal junk pile (ahem, collection of pre-owned electromechanical curiosities) is certainly a source of spare parts, but also a source of surprise and wonder. Sometimes the junk itself spurs the imagination, ... | 42 | 13 | [
{
"comment_id": "6340533",
"author": "12AU76L6GC",
"timestamp": "2021-04-17T14:16:06",
"content": "Just keep in mind it’s not junk if it is has an inventoried part number, a price and is listed for sale on the internet. It’s inventory.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,117.135913 | ||
https://hackaday.com/2021/04/17/e-t-video-game-gets-re-imagined-in-10-lines-of-basic/ | E.T. Video Game Gets Re-Imagined In 10 Lines Of BASIC | Donald Papp | [
"Games",
"Software Hacks"
] | [
"2600",
"atari",
"basic",
"contest",
"e.t.",
"games"
] | Most people would recognize
E.T. The Extra-Terrestrial
for the Atari 2600 by its reputation as one of the worst video games of all time. We’ll have more to say about that in a moment, but
E.T.
was nevertheless chosen as the inspiration behind
[Martin Fitzpatrick]’s re-imagining of the game in ten lines of BASIC code
fo... | 13 | 5 | [
{
"comment_id": "6340505",
"author": "Mbc",
"timestamp": "2021-04-17T11:24:44",
"content": "Yeah, I got that game new for Christmas one year after Toys-r-us closed a bunch of stores and we’re selling copies in piles out of kiddie pools. Pretty sure my mom paid a buck or less for it.Anyways, there w... | 1,760,373,117.307505 | ||
https://hackaday.com/2021/04/17/replacing-an-esp8266-clone-with-the-real-thing/ | Replacing An ESP8266 Clone With The Real Thing | Tom Nardi | [
"LED Hacks",
"Microcontrollers"
] | [
"clone",
"ESP8266",
"home automation",
"IoT",
"smart light",
"tasmota"
] | The first time [konbaasiang] ordered some ceiling LED lights from Tuya, he was pleased to find they contained an ESP-12F that could easily be flashed with a different firmware. So when he ordered 30 more of them at a cost of nearly $900 USD, you can understand his frustration to
find that the popular WiFi-enabled micro... | 19 | 7 | [
{
"comment_id": "6340488",
"author": "Manuela",
"timestamp": "2021-04-17T09:44:52",
"content": "So he didn’t even open the clones metal can to show us the contents? I’m outraged to be honest. All my respects to the good sir though for his dedication to fix it.",
"parent_id": null,
"depth": 1... | 1,760,373,117.193992 | ||
https://hackaday.com/2021/04/16/three-ways-to-detect-the-silver-ball/ | Three Ways To Detect The Silver Ball | Kristina Panos | [
"Games",
"how-to"
] | [
"ball bearing",
"cardboard",
"conductive tape",
"maker tape",
"pinball",
"pinbox 3000"
] | We speak from experience when we say that making pinball targets is harder than you might think. The surface area of the part of the ball that touches is oh-so-small, and you really need to have gravity on your side for best results. Luckily, [TechnoChic] did the work for us and came up with these
three versatile senso... | 13 | 7 | [
{
"comment_id": "6340467",
"author": "Sooner Boomer",
"timestamp": "2021-04-17T06:17:37",
"content": "Not meaning to be overly critical, but wouldn’t the copper foil tape used in Tiffany-style stained glass work just as well? And, yes, it’s solderable.",
"parent_id": null,
"depth": 1,
"r... | 1,760,373,117.250843 | ||
https://hackaday.com/2021/04/16/the-imperfect-bipolar-transistor/ | The Imperfect Bipolar Transistor | Al Williams | [
"Misc Hacks"
] | [
"bipolar",
"bipolar transistor",
"saturation",
"theory",
"transistor"
] | We like to pretend that our circuit elements are perfect because, honestly, it makes life easier and it often doesn’t matter much in practice. For a normal design, the fact that a foot of wire has a tiny bit of resistance or that our capacitor value might be off by 10% doesn’t make much difference. One place that we re... | 15 | 4 | [
{
"comment_id": "6340440",
"author": "ERIC A GUNNERSON",
"timestamp": "2021-04-17T03:24:54",
"content": "MOSFETs of course have their own rules. In the ideal world they just work, but in the real world you need to worry about having enough gate voltage to turn them on and if you are switching them o... | 1,760,373,117.358584 | ||
https://hackaday.com/2021/04/16/ambitious-spot-welder-really-pushes-the-amps/ | Ambitious Spot Welder Really Pushes The Amps | Dan Maloney | [
"Tool Hacks"
] | [
"electrode",
"metalwork",
"microwave oven transformer",
"MOT",
"spot welder",
"welder"
] | On the face of it, a spot welder is a simple device. If you dump enough current through two pieces of metal very quickly, they’ll heat up enough to melt and fuse together. But as with many things, the devil is in the details, and
building a proper spot welder
can be as much about addressing those details as seeing to t... | 18 | 6 | [
{
"comment_id": "6340419",
"author": "Andy Pugh",
"timestamp": "2021-04-16T23:30:37",
"content": "I feel impelled by the narrative to mention that my own spot welder is a very old commercial unit that I put a 555 timer in…",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,373,117.57294 | ||
https://hackaday.com/2021/04/16/the-beat-goes-on-with-this-esp32-page-turner/ | The Beat Goes On With This ESP32 Page Turner | Tom Nardi | [
"Microcontrollers",
"Peripherals Hacks"
] | [
"bluetooth",
"bluetooth keyboard",
"ESP32",
"guitar pedal",
"hands free",
"page turner",
"woodworking"
] | Looking for a hands-free way to page through sheet music on an iPad,
[The_Larch] came up with this simple Bluetooth input device based on the ESP32
. The microcontroller just needed to have two switches wired into the GPIO pins, in this case the same heavy-duty plungers you’d find on a guitar pedal, and a USB bulkhead ... | 3 | 2 | [
{
"comment_id": "6340403",
"author": "Dean",
"timestamp": "2021-04-16T22:23:48",
"content": "Next step: batteries?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6340450",
"author": "Feinfinger (still terribly undercaffeinated)",
"timestamp":... | 1,760,373,117.405441 | ||
https://hackaday.com/2021/04/16/new-whitest-paint-might-help-fight-climate-change/ | New Whitest Paint Might Help Fight Climate Change | Lewin Day | [
"Science"
] | [
"climate change",
"paint",
"white paint"
] | It’s hot! Hotter than it used to be, and too hot for things to remain nice in the future. The sun keeps beating down, and as our greenhouse gas emissions continue to blanket the earth, more of that heat is trapped, leading to the steady uptick in global average temperatures. Reducing these emissions can help, but there... | 69 | 21 | [
{
"comment_id": "6340329",
"author": "Skip Flem",
"timestamp": "2021-04-16T18:37:28",
"content": "I had worked here we had an ice freezer; the white steel remained relatively cool in the sun, however that‘hammered aluminum door’ easily burned my hand. Probably designed by the power company.",
"p... | 1,760,373,117.51271 | ||
https://hackaday.com/2021/04/16/the-false-alarm-that-nearly-sparked-nuclear-war/ | The False Alarm That Nearly Sparked Nuclear War | Lewin Day | [
"Featured",
"History",
"Original Art",
"Slider"
] | [
"cold war",
"ICBM",
"infrared",
"missile detection"
] | The date was September 26, 1983. A lieutenant colonel in the Soviet Air Defence Forces sat at his command station in Serpukhov-15 as sirens blared, indicating nuclear missiles had been launched from the United States. As you may have surmised by the fact you’re reading this in 2021, no missiles were fired by either sid... | 54 | 18 | [
{
"comment_id": "6340297",
"author": "jonmayo",
"timestamp": "2021-04-16T17:26:38",
"content": "“we’re left with a great story”Decades later it still gives me watery bowels thinking about it. I am very much against going back to the good old days of mutually assured destruction, but it looks like we... | 1,760,373,117.746831 | ||
https://hackaday.com/2021/04/16/hackaday-podcast-114-eye-is-watching-you-alien-art-cnc-chainsaw-and-the-galvie-flu/ | Hackaday Podcast 114: Eye Is Watching You, Alien Art, CNC Chainsaw, And The Galvie Flu | Mike Szczys | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Hackaday editors Elliot Williams and Mike Szczys marvel at the hacks that surfaced over the past week. An eye-popping webcam hack comes in the form of an animatronic that gives that camera above your screen an eyeball to look around, an eyelid to blink with, and the skin, eyelashes, and eyebrow to complete the illusion... | 0 | 0 | [] | 1,760,373,117.637228 | ||
https://hackaday.com/2021/04/16/unmasking-the-identity-of-an-unusual-nintendo-ds/ | Unmasking The Identity Of An Unusual Nintendo DS | Tom Nardi | [
"Nintendo DS Hacks"
] | [
"bootleg",
"counterfeit",
"nintendo",
"Nintendo DS",
"refurbished",
"taobao"
] | The Nintendo DS family encompasses a dizzying array of portable game systems released over a span of 17 years. The original DS received several refreshes and special editions, and when the next generation 3DS came along, it spawned a whole new collection of spin-offs. But even among all those machines there’s a name th... | 9 | 5 | [
{
"comment_id": "6340262",
"author": "abvv",
"timestamp": "2021-04-16T15:39:28",
"content": "ml probably means mario luigo",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6340270",
"author": "sjm4306",
"timestamp": "2021-04-16T15:59:11",
... | 1,760,373,117.794486 | ||
https://hackaday.com/2021/04/16/this-week-in-security-pwn2own-zoom-zero-day-clubhouse-data-and-an-fbi-hacking-spree/ | This Week In Security: Pwn2own, Zoom Zero Day, Clubhouse Data, And An FBI Hacking Spree | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"BleedingTooth",
"cisco",
"Clubhouse",
"fbi",
"This Week in Security",
"worm",
"zoom"
] | Our first story this week
comes courtesy of the Pwn2own contest
. For anyone not familiar with it, this event is held twice a year, and features live demonstrations of exploits against up-to-date software. The one exception to this is when a researcher does a coordinated release with the vendor, and the update containi... | 11 | 5 | [
{
"comment_id": "6340249",
"author": "Yet Another Danny",
"timestamp": "2021-04-16T14:46:57",
"content": "Suppose that I owned a home, and it caught fire. If someone “trespassed” by running across the lawn to extinguish the fire, I wouldn’t be mad. That’s how I see the FBI’s actions. As long as t... | 1,760,373,117.84495 | ||
https://hackaday.com/2021/04/16/detergent-drm-defeated-on-diminutive-dishwasher/ | Detergent DRM Defeated On Diminutive Dishwasher | Dan Maloney | [
"Misc Hacks"
] | [
"cartridge",
"detergent",
"dishwasher",
"drm",
"eeprom"
] | Has it really come to this? Are we really at the point that dishwashers have proprietary detergent cartridges that you’re locked into buying at inflated prices?
Apparently so, at least for some species of the common kitchen appliance. The particular unit in question goes by the friendly name of Bob, and is a compact, c... | 71 | 22 | [
{
"comment_id": "6340192",
"author": "Antron Argaiv",
"timestamp": "2021-04-16T11:04:24",
"content": "This is the kind of commercial disobedience I can fully support.Well done! (and thank you for your efforts)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,373,118.201677 | ||
https://hackaday.com/2021/04/16/doom-on-a-bootloader/ | DOOM On A Bootloader Is The Ultimate Cheat Code | Bryan Cockfield | [
"News"
] | [
"barebox",
"baredoom",
"bootloader",
"doom",
"embedded",
"hardware",
"port",
"Universal"
] | Porting DOOM to run on hardware never meant to run it is a tradition as old as time. Getting it to run on embedded devices, ancient computers, virtual computers, and antique video game consoles are all classic hacks, but what DOOM ports have been waiting for is something with universal applicability that don’t need a b... | 14 | 8 | [
{
"comment_id": "6340180",
"author": "Steven",
"timestamp": "2021-04-16T08:19:53",
"content": "Hahaha, this is so awesome!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6340183",
"author": "dave",
"timestamp": "2021-04-16T09:41:12",
"content": "…o... | 1,760,373,117.933486 | ||
https://hackaday.com/2021/04/15/tightly-packed-raspberry-pi-tricorder-impresses/ | Tightly Packed Raspberry Pi Tricorder Impresses | Tom Nardi | [
"Raspberry Pi",
"Tool Hacks"
] | [
"3D printed enclosure",
"hand wired",
"Pi Zero W",
"RTL-SDR",
"sensor",
"star trek",
"The Next Generation",
"tricorder"
] | We’ll say upfront that we don’t have nearly as much information about this 3D printed
Star Trek: The Next Generation
tricorder as we’d like. But
from the image galleries [Himmelen] has posted
we know it’s running on the Raspberry Pi Zero W, has a color LCD in addition to a monochrome OLED, and that it’s absolutely pack... | 22 | 4 | [
{
"comment_id": "6340167",
"author": "Joshua",
"timestamp": "2021-04-16T05:11:08",
"content": "Awesome! Kudos for that! :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6340173",
"author": "Michael Black",
"timestamp": "2021-04-16T05:53:38",
"cont... | 1,760,373,117.99371 | ||
https://hackaday.com/2021/04/15/3d-animation-for-all-thanks-to-google-ai/ | 3D Animation For All Thanks To Google AI | Al Williams | [
"Software Hacks"
] | [
"3D modelling",
"animation",
"computer graphics",
"google",
"monster mash"
] | Google rarely fails to impress with technology demos. Their latest — Monster Mash — is aimed at using artificial intelligence to allow the creation of
simple 3D animations
without a lot of training or trouble. We’ll warn you: we aren’t artists so we didn’t get the results the demos were showing, but then again, if you ... | 10 | 5 | [
{
"comment_id": "6340149",
"author": "To get a jolt from my electrodes",
"timestamp": "2021-04-16T02:30:06",
"content": "If the animated human has, uhh, two heads, what is animatable there? I guess both can be asymmetric?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comme... | 1,760,373,118.299229 | ||
https://hackaday.com/2021/04/15/programming-pals-in-2021/ | Programming PALs In 2021 | Chris Lott | [
"Tech Hacks"
] | [
"GAL",
"GALasm",
"Minipro",
"pal",
"PALasm",
"TL866A",
"WinCUPL"
] | The [IMSAI Guy] has
posted a follow-up video with all the details
of how he programs GAL22V10 chips in the modern era. We noted that this was missing from
his stepper motor project
a few days ago, and before we could even ask him, he answered. And no, you won’t have to dig that old Intel 486 DX2-66 out of the closet an... | 35 | 19 | [
{
"comment_id": "6340128",
"author": "rnjacobs",
"timestamp": "2021-04-15T23:07:49",
"content": "I was surprised to see that there’s still a large number of New Old Stock 26V12 GALs purchasable between Arrow and Rochester.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,373,118.376303 | ||
https://hackaday.com/2021/04/15/virtual-reality-gloves-aim-to-improve-interactivity/ | Virtual Reality Gloves Aim To Improve Interactivity | Lewin Day | [
"Virtual Reality"
] | [
"finger tracking",
"glove",
"hand tracking",
"haptic",
"haptic feedback",
"haptics",
"VR glove"
] | Virtual reality is a slow-moving field in some respects. While a lot of focus is put on optical technologies and headsets, there’s a lot more involved when it comes to believably placing a human being in a virtual environment. So far, we’ve gotten a good start at the visuals and head tracking, but interaction technolog... | 13 | 4 | [
{
"comment_id": "6340102",
"author": "Steven Clark",
"timestamp": "2021-04-15T20:37:08",
"content": "I was wondering why go through the effort instead of using existing kapton flex sensors, then I checked the prices on Sparkfun. Ohh, that’s why. They’re about an order of magnitude more expensive t... | 1,760,373,118.250324 | ||
https://hackaday.com/2021/04/15/heavy-metal-cyberdeck-has-an-eye-towards-expansion/ | Heavy Metal Cyberdeck Has An Eye Towards Expansion | Tom Nardi | [
"Cyberdecks"
] | [
"aluminum extrusion",
"cyberdeck",
"cyberpunk",
"hand wired",
"mechanical keyboard",
"modular electronics",
"raspberry pi"
] | Whether we’re talking about Gibson’s Sprawl or our increasingly dystopian reality, one of the defining characteristics of a cyberdeck is that it can be easily customized and upgraded over time. While a few of the builds we’ve covered over the last couple of years have focused more on style than substance, we really app... | 17 | 6 | [
{
"comment_id": "6340067",
"author": "Ostracus",
"timestamp": "2021-04-15T19:00:42",
"content": "Design reminds me of some point of sale terminals.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6340077",
"author": "Ren",
"timestamp": "2021-0... | 1,760,373,118.555607 | ||
https://hackaday.com/2021/04/15/the-50-ham-a-simple-wspr-beacon/ | The $50 Ham: A Simple WSPR Beacon | Dan Maloney | [
"Hackaday Columns",
"Radio Hacks"
] | [
"digital",
"joe taylor",
"propagation",
"The $50 Ham",
"weak signal",
"WSJT-X"
] | I was having a chat recently with someone, and it surprised me that she had an amateur radio license. I suppose it shouldn’t have come as much of a surprise; after all, getting a ham radio license is a pretty common rite of passage in the life of a hardware hacker. I guess it surprised me because she’d never mentioned ... | 27 | 20 | [
{
"comment_id": "6340050",
"author": "Setho",
"timestamp": "2021-04-15T17:13:42",
"content": "Cool Dan – a really nice and enjoyable write up! I too have played around with the arduino / si5351 – hacking my own software together to make it play, but I ended up taking a short cut on the filter by bu... | 1,760,373,118.495726 | ||
https://hackaday.com/2021/04/15/portrait-of-a-digital-weapon/ | Portrait Of A Digital Weapon | Anool Mahidharia | [
"Art",
"Security Hacks"
] | [
"16 segment display",
"3d printing",
"Adafruit Feather",
"arduino",
"build",
"Concept",
"Countdown to Zero Day",
"Cyber Art",
"Cyber War",
"electronics",
"Guilded",
"leds",
"microcontrollers",
"Military Portraiture",
"portrait",
"Portrait of a Digital Weapon",
"Segment Display",
"S... | Over the years, artists have been creating art depicting weapons of mass destruction, war and human conflict. But the weapons of war, and the theatres of operation are changing in the 21
st
century. The outcome of many future conflicts will surely depend on digital warriors, huddled over their computer screens, punchin... | 3 | 3 | [
{
"comment_id": "6340151",
"author": "Paul",
"timestamp": "2021-04-16T02:32:30",
"content": "Further supporting evidence that I will never understand Art.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6340154",
"author": "Alan Kilian",
"timestamp": "2... | 1,760,373,118.422194 | ||
https://hackaday.com/2021/04/15/crew-dragons-short-hop-begins-the-era-of-valet-parking-at-the-iss/ | Crew Dragon’s Short Hop Begins The Era Of Valet Parking At The ISS | Tom Nardi | [
"Current Events",
"Featured",
"Original Art",
"Slider",
"Space"
] | [
"commercial space",
"Crew Dragon",
"international space station",
"iss",
"nasa",
"SpaceX"
] | They weren’t scheduled to return to Earth until April 28th at the earliest, so why did NASA astronauts Michael Hopkins, Victor Glover, and Shannon Walker, along with Japan Aerospace Exploration Agency (JAXA) astronaut Soichi Noguchi, suit up and climb aboard the Crew Dragon
Resilience
on April 5th? Because a previously... | 19 | 7 | [
{
"comment_id": "6340066",
"author": "Hirudinea",
"timestamp": "2021-04-15T18:54:01",
"content": "Put a multi-dock extension on the docking port, problem solved.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6340110",
"author": "RW ver 0.0.3",
... | 1,760,373,118.621095 | ||
https://hackaday.com/2021/04/15/3d-printing-a-long-range-nerf-blaster/ | 3D Printing A Long Range Nerf Blaster | Lewin Day | [
"3d Printer hacks"
] | [
"blaster",
"nerf",
"nerf blaster"
] | The modified Nerf scene used to be about getting the absolute maximum performance out of Hasbro’s off-the-shelf foam dart blasters. The community quickly found the limits of plastic parts made down to a price, and an underground market for heavier springs and CNC-machined upgrades sprung up. Eventually, however, the ad... | 11 | 6 | [
{
"comment_id": "6339981",
"author": "mmx",
"timestamp": "2021-04-15T13:12:06",
"content": "I remember I read in an article a while back that the nerf guns were designed so that an accidental shot to someone’s eye wouldn’t cause major injury or blindness. The key factor was limiting the energy of th... | 1,760,373,118.669292 | ||
https://hackaday.com/2021/04/15/wifive55-more-than-a-smart-555-replacement/ | WiFive55: More Than A Smart 555 Replacement | Stephen Ogier | [
"hardware",
"Wireless Hacks"
] | [
"555",
"ESP-01",
"ESP8266",
"solid state relay"
] | “You could’ve done that with a 555 timer.” But what if all you have on hand is an ESP8266? [TechColab] needed to control a solenoid valve with a short pulse via a solid-state relay (SSR) but found that the trusty 555 timer was tricky to set properly. Additionally, they wanted to add features, such as fixed pulse length... | 40 | 11 | [
{
"comment_id": "6339945",
"author": "BrightBlueJim",
"timestamp": "2021-04-15T09:24:14",
"content": "Calendar check. Nope, not April 1st. Okay then: this is the stupidest thing I’ve ever seen.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6339946",
... | 1,760,373,118.746971 | ||
https://hackaday.com/2021/04/14/a-faux-bbs-gets-software-on-to-your-vintage-machines/ | A Faux BBS Gets Software On To Your Vintage Machines | Lewin Day | [
"Retrocomputing"
] | [
"bbs",
"bulletin board",
"bulletin board system",
"macintosh",
"macintosh garden"
] | Back in the golden age of modems and phone lines, bulletin board systems, or BBSes, were a great way to find new software from the comfort of your own home. Most have shut down over the past few decades, as the Internet took over as a more flexible method of
cat picture
software distribution. [equant] was a fan of brow... | 26 | 10 | [
{
"comment_id": "6339918",
"author": "Erik Johnson",
"timestamp": "2021-04-15T05:19:31",
"content": "Here you have a chicken and egg problem of how do you get the ZModem/transfer software on in the first place without a SCSI drive, localtalk, or other era mac that can write 800K disks if 1.44 is not... | 1,760,373,118.810627 | ||
https://hackaday.com/2021/04/14/morrowind-rebooted-the-original-xbox-without-you-ever-noticing/ | Morrowind Rebooted The Original Xbox Without You Ever Noticing | Lewin Day | [
"Xbox Hacks"
] | [
"Elder Scrolls",
"morrowind",
"xbox"
] | The original Xbox was well-known for being based on basic PC hardware, and among developers, well known for having just 64 megabytes of RAM which even at the time wasn’t a lot to be working with. In a recent podcast, [Todd Howard] of Bethesda related an anecdote from the era, claiming that
Morrowind
occasionally invisi... | 14 | 7 | [
{
"comment_id": "6339911",
"author": "Steven Clark",
"timestamp": "2021-04-15T03:30:11",
"content": "On a Linux box I think this would be a kexec, the whole memory space is being replaced with another executable, but I’m not sure if the processor would really be reset or not.",
"parent_id": null... | 1,760,373,118.8611 | ||
https://hackaday.com/2021/04/14/remote-controlled-car-gets-active-suspension/ | Remote Controlled Car Gets Active Suspension | Bryan Cockfield | [
"Toy Hacks"
] | [
"active suspension",
"arduino",
"ESP32",
"mpu6050",
"rc",
"servo",
"suspension",
"truck"
] | Active suspensions are almost a holy grail for cars, adding so much performance gain that certain types have even been banned from Formula 1 racing. That doesn’t stop them from being used on a wide variety of luxury and performance cars, though, as they can easily be tuned on the fly for comfort or improved handling. T... | 14 | 6 | [
{
"comment_id": "6339871",
"author": "RÖB",
"timestamp": "2021-04-14T23:33:06",
"content": "An eccentric cam should give more travel range for the servo.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6339889",
"author": "Indeterminate Design",
... | 1,760,373,118.909792 | ||
https://hackaday.com/2021/04/14/logic-chip-teardown-from-early-1990s-ibm-es-9000-mainframe/ | Logic Chip Teardown From Early 1990s IBM ES/9000 Mainframe | Maya Posch | [
"hardware",
"Retrocomputing"
] | [
"bipolar transistor",
"es/9000",
"ibm",
"ken shirriff",
"tcm"
] | The 1980s and early 1990s were a bit of an odd time for semiconductor technology, with the various transistor technologies that had been used over the decades slowly making way for CMOS technology. The 1991-vintage IBM ES/9000 mainframe was one of the last systems to be built around bipolar transistor technology, with ... | 9 | 5 | [
{
"comment_id": "6339830",
"author": "D00med",
"timestamp": "2021-04-14T20:40:00",
"content": "Was wondering when this would show up (I knew he requested a few dies from Dave Jones a while back.)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6339835",
... | 1,760,373,118.96183 | ||
https://hackaday.com/2021/04/14/sv-seeker-is-recycling-batteries/ | SV Seeker Is Recycling Batteries | Jonathan Bennett | [
"News",
"Transportation Hacks"
] | [
"batteries",
"recycling",
"SV Seeker"
] | SV Seeker is a home-made boat currently being built by [Doug Jackson] just north of Tulsa, Oklahoma. It’s a bit different than what you might imagine as a typical DIY boat, though. You see, Seeker is a 75 ft steel boat, intended to work as a research vessel. Doug and his crew proudly refer to Seeker as “The boat the in... | 38 | 7 | [
{
"comment_id": "6339808",
"author": "M",
"timestamp": "2021-04-14T19:21:11",
"content": "By no means an expert on the topic, but of the few 18650 packs I’ve dissected with at least one dead cell, virtually all other cells were close to trash also. As far as I’m concerned, used battery packs are eit... | 1,760,373,119.263692 | ||
https://hackaday.com/2021/04/14/history-of-closed-captions-the-analog-era/ | History Of Closed Captions: The Analog Era | Chris Lott | [
"Hackaday Columns",
"History",
"Original Art",
"Slider",
"Video Hacks"
] | [
"analog video",
"closed captioning",
"line 21",
"NABTS",
"ntsc",
"pal",
"subtitles",
"teletext",
"VBI",
"WST"
] | Closed captioning on television and subtitles on DVD, Blu-ray, and streaming media are taken for granted today. But it wasn’t always so. In fact, it was quite a struggle for captioning to become commonplace. Back in the early 2000s, I unexpectedly found myself involved in a variety of closed captioning projects, both d... | 46 | 22 | [
{
"comment_id": "6339774",
"author": "ameyring",
"timestamp": "2021-04-14T17:13:35",
"content": "Interesting history! I’ve been using closed captioning for my hearing loss since the 1980s and still have my old fake-wood sticker-covered metal captioning device. Used it until I got a new TV in 2000 wi... | 1,760,373,119.356554 |
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