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https://hackaday.com/2024/01/03/cessna-208b-grand-caravan-flies-under-remote-control/ | Cessna 208B Grand Caravan Flies Under Remote Control | Maya Posch | [
"Transportation Hacks"
] | [
"remote control",
"Unmanned Aerial Systems"
] | Reliable Robotics has been working on Unmanned Aircraft Systems (UAS) since its founding in 2017, with a number of demonstrations for the FAA so far as it works towards getting the technology licensed. Most recently, it
flew an unmanned Cessna 208B
Grand Caravan with a pilot in a ground-based control center. This comes... | 14 | 7 | [
{
"comment_id": "6714881",
"author": "Paul",
"timestamp": "2024-01-04T03:37:49",
"content": "I had the pleasure of seeing an earlier version of this, and had hands on the actual flight hardware.I will dispute the quoted article, which claims “Last month’s successful flight of a Cessna 208B Caravan w... | 1,760,372,054.676656 | ||
https://hackaday.com/2024/01/03/floss-weekly-episode-764-you-have-to-be-pretty-cynical/ | FLOSS Weekly Episode 764: You Have To Be Pretty Cynical | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"AlmaLinux",
"FLOSS Weekly",
"linux",
"open source"
] | This week Jonathan Bennett and
Katherine Druckman
talk with
benny Vasquez
, chair of AlmaLinux, all about the weird road we’ve been on with Enterprise Linux distributions, and how that’s landed us here, where we have AlmaLinux, Rocky Linux, and multiple other Red Hat downstream distros. What’s the difference between th... | 8 | 3 | [
{
"comment_id": "6714843",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-01-04T01:15:50",
"content": "Tell [Flo] that here at Hackaday we use square brackets around names!B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6715116",
"a... | 1,760,372,054.412172 | ||
https://hackaday.com/2024/01/03/an-extensive-walkthrough-on-building-your-own-ksp-controller/ | An Extensive Walkthrough On Building Your Own KSP Controller | Arya Voronova | [
"Games",
"Reverse Engineering"
] | [
"analog joystick",
"kerbal space program",
"ksp",
"rebuild",
"upgrade",
"upgrade board"
] | Having a game-tailored controller is a level-up in more ways than one, letting you perform in-game actions quickly and intuitively, instead of trying to map your actions to a clunky combination of keyboard and mouse movements.
[abzman] took the Pelco KBD300A
, a DVR-intended camera controller panel with a joystick, rev... | 10 | 7 | [
{
"comment_id": "6714589",
"author": "scott_tx",
"timestamp": "2024-01-03T21:12:50",
"content": "Its nice but doesn’t help the fact I never made it past kerbal’s tutorial stage.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6714775",
"author": "Jame... | 1,760,372,054.52458 | ||
https://hackaday.com/2024/01/03/add-the-analog-toolkit-to-your-toolkit/ | Add The Analog Toolkit To Your…Toolkit | Arya Voronova | [
"Tool Hacks"
] | [
"analog acquisition",
"analog input",
"analog toolkit",
"data acquisition",
"stm32",
"stm32g0"
] | Analog acquisition tools are super helpful whenever you want to run an experiment, test out a theory, or improve upon your code, and you won’t realize how much you always needed one up until you’re facing a situation where it’s the only tool for the task. Well, here’s a design you might just want to add to your next PC... | 17 | 5 | [
{
"comment_id": "6715016",
"author": "David",
"timestamp": "2024-01-04T08:15:57",
"content": "Wow, you deleted my post here.That chip isn’t capable enough to do proper analogue recording. the speed alone and the bit range makes it practically useless.",
"parent_id": null,
"depth": 1,
"re... | 1,760,372,054.625825 | ||
https://hackaday.com/2024/01/03/retrotechtacular-the-fell-locomotive/ | Retrotechtacular: The Fell Locomotive | Jenny List | [
"Hackaday Columns",
"Transportation Hacks"
] | [
"british rail",
"diesel",
"locomotive",
"railroad",
"railway"
] | If you were to visit a railway almost anywhere in the world, you would find that unless it was in some way running heritage trains, the locomotives would bear a similarity to each other. Electric traction is the norm, whether it comes from a trackside supply or from a diesel generator. In the middle of the last century... | 20 | 11 | [
{
"comment_id": "6714541",
"author": "Drone",
"timestamp": "2024-01-03T20:21:06",
"content": "“All diesel locomotive designs struggle with the problem of transmitting the huge torque required to start a fully loaded train at low speeds…”Huge energy is available in a chemical explosion. The trick is ... | 1,760,372,054.477418 | ||
https://hackaday.com/2024/01/03/pinball-with-no-computers/ | Pinball With No Computers | Al Williams | [
"classic hacks",
"Games"
] | [
"pinball",
"relay"
] | Pinball machines were the video games of their day. Back when they were king, there were no microcontrollers — everything was electromechanical. We know from experience that fixing these was difficult but we imagine that designing complex play behavior with a bunch of motors, relays, clutches, contacts, and more would ... | 34 | 16 | [
{
"comment_id": "6714437",
"author": "TG",
"timestamp": "2024-01-03T17:07:55",
"content": "Mechanical computer is still a computer though",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6714482",
"author": "Urgon",
"timestamp": "2024-01-03T18:... | 1,760,372,054.363776 | ||
https://hackaday.com/2024/01/02/building-a-gps-receiver-from-the-ground-up/ | Building A GPS Receiver From The Ground Up | Bryan Cockfield | [
"gps hacks"
] | [
"antenna",
"diy",
"fpga",
"gps",
"homebrew",
"radio",
"receiver"
] | One of the more interesting facets of GPS is that, at least from the receiver’s point-of-view, it’s a fairly passive system. All of the information beamed down from the satellites is out in the ether, all the time, free for anyone on the planet to receive and use as they see fit. Of course you need to go out and buy a ... | 15 | 5 | [
{
"comment_id": "6713826",
"author": "Jan",
"timestamp": "2024-01-02T20:37:38",
"content": "But please?Because it can be done?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6714553",
"author": "Elliot Williams",
"timestamp": "2024-01-03T20:3... | 1,760,372,054.57637 | ||
https://hackaday.com/2024/01/02/its-pronounced-gif/ | It’s Pronounced GIF | Jenny List | [
"computer hacks",
"Hackaday Columns",
"Slider"
] | [
"computational linguistics",
"corpus linguistics",
"language analysis"
] | As the holiday season is upon us and a Hackaday scribe sits protected from the incoming Atlantic storms in her snug eyrie, it’s time for her to consider the basics of her craft. Writing, spelling, and the English language; such matters as why Americans have different English spellings from Brits, but perhaps most impor... | 197 | 40 | [
{
"comment_id": "6713793",
"author": "Owlman",
"timestamp": "2024-01-02T18:46:58",
"content": "Given the hard G of Graphics Interchange Format, I prefer gif – though of course it might be giraffe interchange format, in which case I am wrong.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,055.01352 | ||
https://hackaday.com/2024/01/02/impressively-responsive-air-drums-built-using-the-raspberry-pi-pico/ | Impressively Responsive Air Drums Built Using The Raspberry Pi Pico | Lewin Day | [
"Microcontrollers",
"Musical Hacks"
] | [
"air drums",
"ece 4760",
"Raspberry Pi Pico"
] | Drum kits are excellent fun and a terrific way to learn a sense of rhythm. They’re also huge and unwieldy. In contrast, air drums can be altogether more compact, if lacking the same impact as the real thing. In any case, students [Ang], [Devin] and [Kaiyuan]
decided to build a set of air drums themselves
for their ECE ... | 6 | 4 | [
{
"comment_id": "6713822",
"author": "Dan",
"timestamp": "2024-01-02T20:32:51",
"content": "A longer demo would have been nice, but that’s surprisingly good, given the obvious limitation that the sticks aren’t hitting anything and so don’t rebound properly.",
"parent_id": null,
"depth": 1,
... | 1,760,372,054.717767 | ||
https://hackaday.com/2024/01/02/2023-as-the-hardware-world-turns/ | 2023: As The Hardware World Turns | Tom Nardi | [
"Current Events",
"Featured",
"Original Art",
"Slider"
] | [
"artemis program",
"artifical intelligence",
"diy camera",
"new media",
"raspberry pi",
"USB C",
"Year in Review"
] | We’ve made it through another trip around the sun, and for the first time in what feels like far too long, it seems like things went pretty well for the hackers and makers of the world. Like so many, our community suffered through a rough couple of years: from the part shortages that made building even the simplest of ... | 18 | 5 | [
{
"comment_id": "6713746",
"author": "PWalsh",
"timestamp": "2024-01-02T15:13:24",
"content": "Tom: 2023 was the last of the Hackaday prize challenges, there won’t be any more.Is that right?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6713760",
"a... | 1,760,372,054.781459 | ||
https://hackaday.com/2024/01/02/air-hockey-table-embraces-doom-retro-gaming/ | Air Hockey Table EmbracesDOOM, Retro Gaming | Donald Papp | [
"Games",
"Raspberry Pi"
] | [
"air hockey",
"doom",
"emulation",
"LED array",
"LED table",
"raspberry pi",
"retro gaming"
] | [Chris Downing] recently finished up a major project that spanned some two years and used nearly every skill he possessed. The result?
A smart air hockey table with retro-gaming roots
. Does it play
DOOM
? It sure (kind of) does!
Two of the most striking features are the score board (with LCD screen and sound) and the ... | 6 | 2 | [
{
"comment_id": "6713741",
"author": "Jake",
"timestamp": "2024-01-02T14:36:13",
"content": "I would be neat to see this but also tracking the puck and displaying a “trail” of the puck like the Glow puck that Fox super imposed back in the day in hockey broadcasts. I have no idea how to do that but I... | 1,760,372,055.05942 | ||
https://hackaday.com/2024/01/02/an-animated-led-fireplace-powered-by-the-ch32v003/ | An Animated LED Fireplace Powered By The CH32V003 | Tom Nardi | [
"Holiday Hacks",
"LED Hacks",
"PCB Hacks"
] | [
"CH32V003",
"Christmas gifts",
"decorations",
"led matrix",
"ws2812b"
] | Once you’ve mastered the near-magical ability of turning your ideas into a piece of hardware you can hold in your hand, it’s only natural that you’ll want to spread the joy. The holidays are a perfect time to produce a custom piece of electronics for friends and family, but there’s a catch: going from making one or two... | 2 | 2 | [
{
"comment_id": "6713713",
"author": "zoobab",
"timestamp": "2024-01-02T11:27:20",
"content": "Anyone to help adding the ch32v003 chip to Fritzing?Just made 2 arduino-cli examples (blink and serial output) for this chip yesterday:https://gitlab.com/zoobab/ch32v003-arduino-cli",
"parent_id": null... | 1,760,372,055.100978 | ||
https://hackaday.com/2024/01/01/nhl-24-rom-hack-reimagines-classic-game-zamboni-and-all/ | NHL ’24ROM Hack Reimagines Classic Game, Zamboni And All | Drew Littrell | [
"Games"
] | [
"hockey",
"retro console",
"ROM hack",
"sega genesis"
] | Thirty years is a long time to keep a piece of software alive, but there aren’t many pieces of software like
NHL ’94
for the Sega Genesis. Despite new annual iterations of publisher Electronic Arts’ NHL hockey video game some players never connected with it like quite like they did in 1994. For years now it’s been a tr... | 0 | 0 | [] | 1,760,372,055.180111 | ||
https://hackaday.com/2023/12/31/frog-boy-color-reimagines-the-game-boy-color-hardware-from-the-ground-up/ | Frog Boy Color Reimagines The Game Boy Color Hardware From The Ground Up | Lewin Day | [
"Nintendo Game Boy Hacks",
"Nintendo Hacks"
] | [
"game boy",
"game boy color",
"nintendo"
] | Sales figures suggest Nintendo did pretty well with the Game Boy Color during its original run, even if the hardware and visuals feel a tad archaic and limited today. [Chris Hackmann] has taken the Game Boy Color design and
reworked it from the ground up as the Frog Boy Color
, kitting it out with modern upgrades in a ... | 13 | 4 | [
{
"comment_id": "6713387",
"author": "Andrew",
"timestamp": "2024-01-01T08:00:17",
"content": "Username checks out.Happy New Year, by the way.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6713389",
"author": "Joshua",
"timestamp": "2024-01-01T08:09:3... | 1,760,372,055.451775 | ||
https://hackaday.com/2023/12/31/how-ibm-stumbled-onto-risc/ | How IBM Stumbled Onto RISC | Bryan Cockfield | [
"hardware"
] | [
"801",
"development",
"general purpose computer",
"ibm",
"phone",
"research",
"risc",
"RISC-V"
] | There are a ton of inventions out in the world that are almost complete accidents, but are still ubiquitous in our day-to-day lives. Things like bubble wrap which was originally intended to be wallpaper, or even superglue, a plastic compound whose sticky properties were only discovered later on. IBM found themselves in... | 37 | 15 | [
{
"comment_id": "6713355",
"author": "DerAxeman",
"timestamp": "2024-01-01T04:16:22",
"content": "PowerPC was so much better than Arm. If only they had a more flexible/cheaper licensing agreement things would be so different today.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,055.527711 | ||
https://hackaday.com/2023/12/31/an-electronic-orchestra-baton/ | An Electronic Orchestra Baton | Navarre Bartz | [
"Musical Hacks"
] | [
"Raspberry Pi Pico W"
] | The conductor of an orchestra may look unassuming on the street, but once they step onto their podium, they are all powerful. If you’ve ever wanted to go mad with power in the comfort of your own home, try this
electronic orchestra baton
by [Larry Lu] and [Kathryn Zhang].
The wireless baton “peripheral” part of the sys... | 0 | 0 | [] | 1,760,372,055.217471 | ||
https://hackaday.com/2023/12/31/3d-printing-your-own-triboelectric-generators/ | 3D Printing Your Own Triboelectric Generators | Tom Nardi | [
"green hacks"
] | [
"conductive filament",
"print in place",
"triboelectric"
] | A triboelectric nanogenerator (TENG) certainly
sounds
like the sort of thing you’d need to graduate from Starfleet Engineering to put together, but it actually operates on the same principle that’s at work when you rub a balloon your head. Put simply, when friction is applied to the proper materials, charges can build ... | 46 | 14 | [
{
"comment_id": "6713245",
"author": "M_B",
"timestamp": "2023-12-31T21:24:08",
"content": "Would be interesting smacking one of these on an engine. Using the vibration of the engine to get power.Sure getting power straight from the engine would make more sense but you might not want to do that.",
... | 1,760,372,055.402265 | ||
https://hackaday.com/2023/12/31/welcome-to-the-year-of-the-diagonal-linux-desktop/ | Welcome To The Year Of The Diagonal Linux Desktop | Maya Posch | [
"Linux Hacks"
] | [
"linux",
"Xorg"
] | Sometimes you come across one of those ideas that at first appear to have to be some kind of elaborate joke, but as you dig deeper into it, it begins to make a disturbing kind of sense. This is where the idea of diagonally-oriented displays comes to the fore. Although not a feature that is generally supported by operat... | 73 | 22 | [
{
"comment_id": "6713187",
"author": "Dude",
"timestamp": "2023-12-31T18:11:45",
"content": "Tilting a widescreen 16:9 monitor sideways gives you more height, but it’s also too narrow. 16:10 is more tolerable, but 4:3 is still the best in portrait orientation. Too bad nobody makes them anymore. 3:2 ... | 1,760,372,055.649186 | ||
https://hackaday.com/2023/12/31/raspberry-pi-pico-becomes-emotionally-aware-music-visualizer/ | Raspberry Pi Pico Becomes Emotionally-Aware Music Visualizer | Lewin Day | [
"Musical Hacks"
] | [
"music",
"visualizer"
] | Back in the late 1990s and early 2000s, the nascent world of digital music was incredibly exciting. We all cultivated huge MP3 collections and spent hours staring at the best visualizers Winamp and Windows Media Player had to offer. [Rafael] and [Eric] decided to bring back those glory days
with their music visualizer ... | 0 | 0 | [] | 1,760,372,055.687653 | ||
https://hackaday.com/2023/12/31/paddling-help-from-electric-assisted-kayak/ | Paddling Help From Electric-Assisted Kayak | Bryan Cockfield | [
"Transportation Hacks"
] | [
"bldc motor",
"boat",
"ebike",
"electric",
"electric assist",
"fin",
"kayak",
"machine learning",
"paddling"
] | Electric-assisted bicycles, or ebikes, are fundamentally changing the way people get around cities and towns. What were once sweaty, hilly, or difficult rides have quickly turned into a low-impact and inexpensive ways around town without foregoing all of the benefits of exercise. [Braden] hoped to expand this idea to t... | 15 | 9 | [
{
"comment_id": "6713119",
"author": "Dan",
"timestamp": "2023-12-31T14:14:29",
"content": "Would a piezo detect the impact of the paddle on the water?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6713134",
"author": "Piotrsko",
"timestamp": "2023-12... | 1,760,372,055.740808 | ||
https://hackaday.com/2024/01/01/spying-on-the-esp32s-gpio/ | Spying On The ESP32’s GPIO | Bryan Cockfield | [
"News"
] | [
"debugging",
"gpio",
"library",
"monitor",
"open source",
"pins",
"pwm",
"tool",
"web server"
] | The ESP32 has been a go-to microcontroller platform for a while now, thanks to its versatile capabilities, integrated Wi-Fi and Bluetooth connectivity, and low power consumption. It’s ideal for a wide range of projects especially those revolving around IoT, partially because of all of the libraries and tools available ... | 8 | 4 | [
{
"comment_id": "6713664",
"author": "Panda",
"timestamp": "2024-01-02T05:12:56",
"content": "I can get a pre-certified esp32 module via distributors for ~2-3$ with BT classic/BLE/Wifi.. are there any competitive alrernative parts out there with BT classic? Seems like Infineon parts are more expensi... | 1,760,372,055.836979 | ||
https://hackaday.com/2024/01/01/precise-positioning-with-the-rp2040/ | Precise Positioning With The RP2040 | Stephen Ogier | [
"Radio Hacks",
"Raspberry Pi"
] | [
"microwaves",
"raspberry pi",
"rp2040"
] | Microwave imaging is similar to CT imaging, but instead of X-rays, the microwaves are used to probe the structure and composition of an object. To facilitate experimentation with microwave imaging, [Zehao Li] and [Kapil Gangwar] developed a
system based on the RP2040 to control the height and rotation of a test object
... | 10 | 3 | [
{
"comment_id": "6713603",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-01-02T00:29:08",
"content": "The audo of the video starts out at normal volume, but quickly finds a closet to go hide in. I am not interested in doing audio editing for them. It is something they should h... | 1,760,372,055.787162 | ||
https://hackaday.com/2024/01/01/electroluminescent-surfboard-looks-sharp-for-night-surfing/ | Electroluminescent Surfboard Looks Sharp For Night Surfing | Lewin Day | [
"Misc Hacks"
] | [
"el wire",
"electroluminescent panel",
"surfboard"
] | If you’ve watched
Point Break
lately, you probably considered the thrill and elation involved in night surfing. If you’ve hung out with a lifeguard, though, you might instead have fretted over the dangers. In any case, it remains a popular pastime, and it’s all the more fun with a light-up surfboard
like this one from ... | 5 | 5 | [
{
"comment_id": "6713714",
"author": "MichiganMark",
"timestamp": "2024-01-02T11:42:05",
"content": "Isn’t that a bit like those light-up fishing lures….only for sharks?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6713721",
"author": "12L14",
"times... | 1,760,372,055.876667 | ||
https://hackaday.com/2024/01/01/developing-an-app-for-reduced-gravity-flying/ | Developing An App For Reduced-Gravity Flying | Tom Nardi | [
"Software Hacks",
"Transportation Hacks"
] | [
"mit app inventor",
"parabolic",
"vomit comet",
"zero-gravity"
] | You’ve likely heard of the “vomit comet” — an rather graphic nickname for the aircraft used to provide short bursts of near-weightlessness by flying along a parabolic trajectory. They’re used to train astronauts, perform zero-g experiments, and famously let director Ron Howard create the realistic spaceflight scenes fo... | 19 | 6 | [
{
"comment_id": "6713524",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-01-01T18:57:13",
"content": "“If the pilot is able to bring it under 0.1, the phone will play an audio cue.”In a light aircraft, it would need to be louder than the engine noise.",
"parent_id": null,
... | 1,760,372,056.159542 | ||
https://hackaday.com/2024/01/01/building-a-simple-compressed-air-cannon-is-easy/ | Building A Simple Compressed Air Cannon Is Easy | Lewin Day | [
"Misc Hacks"
] | [
"air cannon",
"cannon",
"PVC"
] | The world of warfare was revolutionized by the development of black powder, fireworks, cannons, and the like. You don’t need any of that chemical nonsense to just have fun, though,
as this compressed air cannon from [OtisLiu153] demonstrates.
The build uses PVC pipes for both the barrel and the air tank. In the case of... | 33 | 9 | [
{
"comment_id": "6713468",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-01-01T15:24:01",
"content": "Thanks for digging up the pumpkin 🎃 cannon story!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6713485",
"author": "RF Dude",
... | 1,760,372,056.228308 | ||
https://hackaday.com/2024/01/01/a-deep-dive-into-quadcopter-controls/ | A Deep Dive Into Quadcopter Controls | Bryan Cockfield | [
"drone hacks"
] | [
"control",
"cornell",
"design",
"drone",
"pid control",
"power supply",
"quadcopter"
] | In the old days, building a quadcopter or drone required a lot of hacking together of various components from the motors to the batteries and even the control software. Not so much anymore, with quadcopters of all sizes ready to go literally out-of-the-box. While this has resulted in a number of knock-on effects such a... | 3 | 3 | [
{
"comment_id": "6713462",
"author": "Paul",
"timestamp": "2024-01-01T15:10:01",
"content": "I can’t help but be a bit concerned about those eyeballs right in the plane of the spinning props.Student lab and no safety glasses?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,372,056.099109 | ||
https://hackaday.com/2024/01/01/wii-inspired-controller-built-using-raspberry-pi-pico/ | Wii-Inspired Controller Built Using Raspberry Pi Pico | Lewin Day | [
"Misc Hacks"
] | [
"mpu6050",
"nintendo wii",
"wii",
"wiimote"
] | We all thought Nintendo was going to change the world of gaming when it released the Wii all those years ago. In the end, it was interesting but not really fundamentally life-changing for most of us. In any case, [Sebastian] and [Gabriel]
decided to build a Wii-like controller for their microcontroller class at Cornell... | 2 | 2 | [
{
"comment_id": "6713748",
"author": "shod",
"timestamp": "2024-01-02T15:17:21",
"content": "I’ve heard of guys that started balding at a very early age, that can’t be pleasant.Still though, there are baseball caps.Also, isn’t Cornell one of the places where everybody lost his mind?",
"parent_id... | 1,760,372,056.062228 | ||
https://hackaday.com/2023/12/31/diy-tube-lights-look-amazing-for-just-50-a-piece/ | DIY Tube Lights Look Amazing For Just $50 A Piece | Lewin Day | [
"LED Hacks"
] | [
"led tubes",
"leds",
"lighting",
"tubes"
] | It’s the future. We should have weird glowy lights everywhere, all over our homes, cars, and businesses. In the automotive world, luxury automakers are doing their part with LED ambient lighting systems, but the rest of us have to step up. [Super Valid Designs]
has developed an excellent modular DMX lighting rig that’s... | 8 | 7 | [
{
"comment_id": "6713109",
"author": "Ostracus",
"timestamp": "2023-12-31T13:48:02",
"content": "Looks like a large lightsaber collection.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6713135",
"author": "dougm",
"timestamp": "2023-12-31T15:49:14",
... | 1,760,372,056.408518 | ||
https://hackaday.com/2023/12/30/tube-design-tips-to-save-a-writers-project/ | Tube Design Tips To Save A Writer’s Project | Jenny List | [
"classic hacks"
] | [
"audio",
"Negative Feedback",
"triode"
] | Most of the stories we cover here are fresh from the firehose, the newest and coolest stuff to interest you during your idle moments. Sometimes though, we come across a page that’s not new, but is interesting in its own right enough to bring to your attention. So it is with our subject here, because when faced with a t... | 24 | 4 | [
{
"comment_id": "6713061",
"author": "hartl",
"timestamp": "2023-12-31T09:10:17",
"content": "This article is misleading, it omits the grid-leak resistor required for biasing the tube. This resistor is in the same range as the feedback resistor, so it cannot be ignored in the calculations. In the tu... | 1,760,372,056.475168 | ||
https://hackaday.com/2023/12/30/localizing-fireworks-launches-with-a-raspberry-pi/ | Localizing Fireworks Launches With A Raspberry Pi | Lewin Day | [
"Misc Hacks"
] | [
"fireworks",
"sound",
"sound localization"
] | If you have multiple microphones in known locations, and can determine the time a sound arrives at each one, you can actually determine the location that sound is coming from. This technique is referred to as sound localization via time difference of arrival.
[Kim Hendrikse] decided to put the technique to good use to ... | 103 | 26 | [
{
"comment_id": "6712980",
"author": "Pooo",
"timestamp": "2023-12-31T03:03:49",
"content": "This is why we can’t have nice things.. like fireworks",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6712988",
"author": "rclark",
"timestamp": "202... | 1,760,372,056.711235 | ||
https://hackaday.com/2023/12/30/37c3-when-apple-ditches-thunderbolt-hack-usb-c/ | 37C3: When Apple Ditches Lightning, Hack USB-C | Elliot Williams | [
"iphone hacks",
"Phone Hacks",
"Reverse Engineering"
] | [
"iPhone 15",
"jtag",
"mipi",
"reverse engineering",
"SPMI"
] | [Thomas Roth], aka [Ghidraninja], and author of the [Stacksmashing] YouTube channel, investigated Apple’s Lightning port and created a cool debugging tool that allowed one to get JTAG on the device. Then, Apple went to USB-C for their new phones, and all his work went to waste. Oh well, start again —
and take a look at... | 11 | 6 | [
{
"comment_id": "6712949",
"author": "OG",
"timestamp": "2023-12-31T00:42:58",
"content": "Do you mean when Apple ditches Lightning? Not Thunderbolt (and certainly not “Thuderbolt”).",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6712960",
"author": ... | 1,760,372,056.807582 | ||
https://hackaday.com/2023/12/30/37c3-you-think-its-bad-with-pluto-a-history-of-the-planets/ | 37C3: You Think It’s Bad With Pluto? A History Of The Planets | Elliot Williams | [
"Science",
"Space"
] | [
"astromony",
"chaos communication congress",
"planets",
"Pluto",
"science"
] | Not every talk at the Chaos Communication Congress is about hacking computers. In this outstanding and educational talk, [Michael Büker]
walks us through the history of our understanding of the planets
.
The question “What is a planet?” is probably more about the astronomers doing the looking than the celestial bodies ... | 28 | 9 | [
{
"comment_id": "6712902",
"author": "Dan",
"timestamp": "2023-12-30T21:30:50",
"content": "Pluto? I’m still waiting for them to readmit Vulcan…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6712912",
"author": "TG",
"timestamp": "2023-12-30... | 1,760,372,056.879773 | ||
https://hackaday.com/2023/12/30/quivering-facehugger-is-all-geared-up/ | Quivering Facehugger Is All Geared Up | Donald Papp | [
"Art",
"Raspberry Pi"
] | [
"aliens",
"facehugger",
"legs",
"motion sensor",
"movie prop",
"planetary gear",
"sci-fi"
] | [Jason Winfield] shared with us a video describing a project with a lot of personality: a mounted, lit, and
quivering
Alien
facehugger triggered by motion
. The end result is a delightful jump scare, and the Raspberry Pi that controls everything also captures people’s reactions.
It starts with a little twitch when moti... | 4 | 4 | [
{
"comment_id": "6712888",
"author": "echodelta",
"timestamp": "2023-12-30T20:42:12",
"content": "All the way back on the Outer Limits in one episode they had a crab-turtle shaped alien the size of a lawnmower. I thought back then that it would be cool to have one. Legs gesticulated while it motored... | 1,760,372,056.756785 | ||
https://hackaday.com/2023/12/30/dont-give-up/ | Don’t Give Up | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"chaos communication congress",
"newsletter"
] | I’m at
Chaos Communication Congress
this weekend, and it’s like being surrounded by the brightest, most creative, and being honest, nerdiest crowd imaginable. And that’s super invigorating.
But because of the pandemic, this is the first in-person conference in four years, and it’s been a rather unsettling time in-betwe... | 29 | 10 | [
{
"comment_id": "6712788",
"author": "LookAtDaShinyShiny",
"timestamp": "2023-12-30T15:10:20",
"content": "There seems to be an absolute ton of negativity rocking about atm, probably slightly guilty of this myself from time to time but I am keeping it in check, try not to give in to your internal ne... | 1,760,372,056.951225 | ||
https://hackaday.com/2023/12/29/hackaday-podcast-episode-250-trains-rc-planes-and-eeproms-in-flames/ | Hackaday Podcast Episode 250: Trains, RC Planes, And EEPROMS In Flames | Elliot Williams | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast",
"reverse engineering",
"trains"
] | This week in the Podcast, Elliot Williams is off at Chaos Communication Congress, hearing tales of incredible reverse engineering that got locomotives back up and running, while Al Williams is thinking over what happened in 2023. There’s a lot of “how things work” in this show, from data buoys to sewing machines to the... | 1 | 1 | [
{
"comment_id": "6715587",
"author": "calculus",
"timestamp": "2024-01-05T03:03:24",
"content": "Tags and categories for this are off. It had a category of “Slider” which it may also be but it is missing the category “Podcasts.” Which means it doesn’t show up with hackaday.com/podcast.And the tag of... | 1,760,372,056.989034 | ||
https://hackaday.com/2023/12/29/using-local-ai-on-the-command-line-to-rename-images-and-more/ | Using Local AI On The Command Line To Rename Images (And More) | Donald Papp | [
"how-to",
"Machine Learning",
"Software Hacks"
] | [
"ai",
"bash",
"command line",
"images",
"llama",
"LLM"
] | We all have a folder full of images whose filenames resemble line noise. How about renaming those images with the help of a local LLM (large language model) executable on the command line? All that and more is showcased on
[Justine Tunney]’s bash one-liners for LLMs
, a showcase aimed at giving folks ideas and guidance... | 36 | 9 | [
{
"comment_id": "6712521",
"author": "Dude",
"timestamp": "2023-12-29T16:13:09",
"content": "How about just thumbnails?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6712524",
"author": "Ostracus",
"timestamp": "2023-12-29T16:26:32",
... | 1,760,372,057.070436 | ||
https://hackaday.com/2023/12/29/this-week-in-security-triangulation-proxycommand-and-barracuda/ | This Week In Security: Triangulation, ProxyCommand, And Barracuda | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"ssh",
"This Week in Security",
"triangulation"
] | It’s not every day we get to take a good look inside a high-level exploit chain developed by an unnamed APT from the western world. But thanks to some particularly dedicated researchers at Kaspersky, which just happens to be headquartered in Moscow, that’s exactly what we have today. The name
Operation Triangulation
wa... | 6 | 3 | [
{
"comment_id": "6712560",
"author": "Andrzej",
"timestamp": "2023-12-29T18:03:03",
"content": "Could someone familiar with these SFP sticks explain why they contain a SoC with a full-blown OS and network stack? One would expect that these serve as a simple electrical-to-optical interface…",
"pa... | 1,760,372,057.199881 | ||
https://hackaday.com/2023/12/29/the-gopher-revival-is-upon-us/ | The Gopher Revival Is Upon Us | Jenny List | [
"internet hacks"
] | [
"finger",
"gemini",
"Gopher",
"web"
] | A maxim for anyone writing a web page in the mid 1990s was that it was good practice to bring the whole thing (including graphics) in at around 30 kB in size. It was a time when the protocol still had some pretence of efficient information delivery, when information was self-published, before huge corporations brought ... | 39 | 12 | [
{
"comment_id": "6712456",
"author": "Feinfinger (kinda angry here)",
"timestamp": "2023-12-29T12:25:07",
"content": "And what about guppy:, nex:, spartan:, text: and even ftp:’s sis fsp:?Ok, the last one really seems forgotten……and I’ll not even mention Hyper-g now!The worst thing in the nets curre... | 1,760,372,057.148823 | ||
https://hackaday.com/2023/12/29/generating-3d-scenes-from-just-one-image/ | Generating 3D Scenes From Just One Image | Donald Papp | [
"Art",
"Machine Learning"
] | [
"3d scene",
"deep learning",
"gaussian splat",
"research"
] | The
LucidDreamer project
ties a variety of functions into a pipeline that can take a source image (or generate one from a text prompt) and “lift” its content into 3D, creating highly-detailed Gaussian splats that look great and can even be navigated.
Gaussian splatting is a method used to render NeRFs
(Neural Radiance ... | 6 | 6 | [
{
"comment_id": "6712441",
"author": "Hugo",
"timestamp": "2023-12-29T10:26:08",
"content": "This is beautiful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6712455",
"author": "Reluctant Cannibal",
"timestamp": "2023-12-29T12:02:55",
"content": ... | 1,760,372,057.572247 | ||
https://hackaday.com/2023/12/28/your-home-mainframe/ | Your Home Mainframe | Al Williams | [
"Retrocomputing"
] | [
"blinkenlights",
"front panel"
] | We miss the days when computers looked like computers. You know, blinking lights, rows of switches, and cryptic displays. [Phil Tipping] must miss those days too since he built
PlasMa
, a “mini-mainframe simulator.”
The device would look at home on the set of any old science fiction movie. Externally, it has 540 LEDs, ... | 36 | 12 | [
{
"comment_id": "6712428",
"author": "Joshua",
"timestamp": "2023-12-29T06:19:24",
"content": "Really cool! 😎Btw, the LCD could be replaced by a little b/w CRT maybe (recent 12v camping TVs have AV in). Or a round oscilloscope tube..",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,372,057.639897 | ||
https://hackaday.com/2023/12/28/moving-iron-coated-polymer-particles-uphill-using-external-magnetic-field/ | Moving Iron-Coated Polymer Particles Uphill Using External Magnetic Field | Maya Posch | [
"Science"
] | [
"granular",
"magnetism"
] | Microscopy of PMMA ferromagnetic Janus particle as used in the study (Credit: Wilson-Whitford et al., 2023)
Granular media such as sand have a range of interesting properties that make it extremely useful, but they still will obey gravity and make their way downhill. That is, until you coat such particles with a ferrom... | 1 | 1 | [
{
"comment_id": "6712557",
"author": "TomTheGeek",
"timestamp": "2023-12-29T17:50:18",
"content": "Hiro Hamada might have a few ideas how to use this technology.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,057.47243 | ||
https://hackaday.com/2023/12/30/how-to-build-a-small-solar-power-system/ | How To Build A Small Solar Power System | Jenny List | [
"green hacks"
] | [
"dc power",
"off grid",
"solar power"
] | We live in an exciting time with respect to electrical power, one in which it has never been easier to break free from mains electricity, and low-frequency AC power in general. A confluence of lower-power appliances and devices using low-voltage external switch-mode supplies, readily available solar panels and electron... | 41 | 15 | [
{
"comment_id": "6712733",
"author": "Daniel Dunn",
"timestamp": "2023-12-30T12:30:21",
"content": "I see a lot of DIY solar, but I rarely see anyone just wire a panel to an indoor DC outlet (Anderson PowerPoles?) to charge off the shelf solar generators.They have amazing features at low cost, Lifep... | 1,760,372,057.716168 | ||
https://hackaday.com/2023/12/30/peltier-mini-fridge-for-class-by-class/ | Peltier Mini Fridge For Class By Class | Al Williams | [
"Tech Hacks"
] | [
"classroom",
"peltier",
"refigerator"
] | How do you keep a few sodas in your classroom cool? Well, if you are teacher [Ethan Hunt], you have your students design and build
a solid-state mini refrigerator
that can beat his prototype fridge. The prototype uses a Peltier effect module to get three cans down to 11 C (52 F), with a final goal of reaching 5 C (41 F... | 13 | 6 | [
{
"comment_id": "6712689",
"author": "reg",
"timestamp": "2023-12-30T09:10:11",
"content": "What an odd temp. I would shoot for 34, Just a bit above freezing, I like my soda cold!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6712742",
"author": ... | 1,760,372,057.524135 | ||
https://hackaday.com/2023/12/29/sound-reactive-light-saber-flips-allegiance-via-vowel-sounds/ | Sound-Reactive Light Saber Flips Allegiance Via Vowel Sounds | Donald Papp | [
"Raspberry Pi",
"Toy Hacks"
] | [
"audio detection",
"disco",
"lightsaber",
"rp2040",
"vowel"
] | Students [Berk Gokmen] and [Justin Green] developed an RP2040-based
LED-illuminated lightsaber as a final project with a bit of a twist
. It has two unusual sound-reactive modes: disco mode, and vowel detection mode.
Switching allegiances (or saber color, at least) is only a sound away.
Disco mode alters the color of t... | 4 | 4 | [
{
"comment_id": "6712686",
"author": "ono",
"timestamp": "2023-12-30T08:41:13",
"content": "Unbelievably original. And all those discrete LEDs make for an amazingly graceful spectacle !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6712691",
"author": "La... | 1,760,372,058.052344 | ||
https://hackaday.com/2023/12/29/how-us-steel-changed-from-world-leading-to-industry-trailing/ | How US Steel Changed From World-Leading To Industry-Trailing | Maya Posch | [
"News"
] | [
"steel industry"
] | It was recently announced that US Steel will be acquired by Tokyo-based Nippon Steel for a measly $14.1 billion , ending the former’s 122 year history as a former US industrial powerhouse. Yet what happened to degrade what was once the number one steel maker in the world upon its formation out of two existing industria... | 68 | 18 | [
{
"comment_id": "6712653",
"author": "scott_tx",
"timestamp": "2023-12-30T04:01:19",
"content": "I’m surprised the sale was allowed for defense purposes. I haven’t looked into it but I’ll assume the military has another source now.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,058.003846 | ||
https://hackaday.com/2023/12/29/flashlight-door-lock-is-a-bright-idea/ | Flashlight Door Lock Is A Bright Idea | Kristina Panos | [
"Arduino Hacks"
] | [
"Arduino Nano Every",
"door lock",
"flashlight",
"lock",
"relay"
] | There are many ways to lock a door. You could use a keypad, an RFID card, a fingerprint or retina scan, Wi-Fi, Bluetooth, the list goes on. You could even use a regular old metal key. But none of these may be as secure as
[mircemk]’s Arduino-based door lock that employs a smartphone’s flashlight as a pass code.
At firs... | 45 | 20 | [
{
"comment_id": "6712628",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-30T00:40:33",
"content": "Video record someone opening their door with their cellphone flashlight and play it back? If the playback fails because scan frames don’t accurately replay the signal, how abo... | 1,760,372,057.897057 | ||
https://hackaday.com/2023/12/29/gentoo-linux-now-a-bit-less-for-the-1337/ | Gentoo Linux, Now A Bit Less For The 1337 | Jenny List | [
"Linux Hacks",
"News"
] | [
"binary",
"gentoo",
"linux"
] | Among users of Linux distributions there’s a curious one-upmanship, depending on how esoteric or hardcore your distro is. Ubuntu users have little shame, while at the other end if you followed Linux From Scratch or better still hand-compiled the code and carved it onto the raw silicon with a tiny chisel, you’re at the... | 37 | 11 | [
{
"comment_id": "6712590",
"author": "Kryptylomese",
"timestamp": "2023-12-29T21:07:55",
"content": "Linux is all things to all people. Fedora is “cutting edge”, Ubuntu is “easy to use” and Debian has the biggest package list of all distros. Then there is Gentoo… which is like having manual controls... | 1,760,372,058.126807 | ||
https://hackaday.com/2023/12/29/this-baby-scope-is-within-your-reach/ | This Baby ‘Scope Is Within Your Reach | Jenny List | [
"classic hacks"
] | [
"crt",
"neon oscillator",
"oscilloscope"
] | The modern oscilloscope is truly a marvelous instrument, being a computer with a high-speed analogue front end which can deliver the function of an oscilloscope alongside that of a voltmeter and a frequency counter. They don’t cost much, and having one on your bench gives you an edge unavailable in a previous time. Tha... | 19 | 9 | [
{
"comment_id": "6712569",
"author": "Joshua",
"timestamp": "2023-12-29T18:45:22",
"content": "This is wonderful. 🙂❤️Tip: I’d add a little bit of shielding inside the chassis, since it’s made of plastic/wood.Ok, it’s maybe not exactly needed, since the acceleration voltage isn’t that high and becau... | 1,760,372,058.188531 | ||
https://hackaday.com/2023/12/28/making-the-case-for-wooden-wind-turbines-with-swedish-modvion/ | Making The Case For Wooden Wind Turbines With Swedish Modvion | Maya Posch | [
"green hacks"
] | [
"wind turbines"
] | Inside shot of the Modvion wooden wind turbine tower.
Modern-day wind turbines are constructed using mostly concrete and steel, topped by the fiberglass composite blades mounted to the nacelle that houses the gearbox and generator, along with much of the control systems. With the ever increasing sizes of these turbines... | 37 | 12 | [
{
"comment_id": "6712376",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-29T00:47:06",
"content": "Papier maché",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6712378",
"author": "DrewTheMachinist",
"timestamp": "2023... | 1,760,372,058.273171 | ||
https://hackaday.com/2023/12/28/copper-coating-3d-prints/ | Copper Coating 3D Prints | Al Williams | [
"3d Printer hacks"
] | [
"cold wel",
"copper plating",
"mechanical plating",
"peen plating"
] | We would all like to 3D print in metal, but for now, the equipment to do that is out of reach for most of us. Instead of dealing with powder printers or metal-bearing polymers, [Robert] has a simple solution. Using a process known as mechanical plating or peen plating, he
deposits a layer of copper on a PLA print
. The... | 28 | 14 | [
{
"comment_id": "6712347",
"author": "Huan Son",
"timestamp": "2023-12-28T21:52:15",
"content": "What if he electroplated after the powder plating?The powder is conductive and the elctroplating is solid.No need of a laquer finish.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,058.340293 | ||
https://hackaday.com/2023/12/28/raspberry-pi-does-its-best-retro-pc-impression/ | Raspberry Pi Does Its Best Retro PC Impression | Tom Nardi | [
"Games",
"Raspberry Pi"
] | [
"286",
"emulation",
"Mini computer",
"miniature computer"
] | The Raspberry Pi is a popular choice if you’re looking to put together a simple emulation box — it’s relatively cheap, small enough to tuck into pretty much any entertainment center, and benefits from a large and vibrant development community. You can even get enclosures that will dress the Linux single-board computer ... | 12 | 7 | [
{
"comment_id": "6712315",
"author": "Jan",
"timestamp": "2023-12-28T19:43:14",
"content": "Just beautiful. <3",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6712334",
"author": "Hirudinea",
"timestamp": "2023-12-28T20:55:40",
"content": "I love th... | 1,760,372,060.341617 | ||
https://hackaday.com/2023/12/28/linux-fu-preprocessing-beyond-code/ | Linux Fu: Preprocessing Beyond Code | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Slider"
] | [
"linux",
"m4",
"preprocessor"
] | If you glanced at the title and thought, “I don’t care — I don’t write C code,” then hang on a minute. While it is true that C has a preprocessor and you can notoriously do strange and — depending on your point of view — horrible or wonderful things with it, there are actually other options and you don’t have to use an... | 15 | 9 | [
{
"comment_id": "6712321",
"author": "Cyna",
"timestamp": "2023-12-28T20:11:52",
"content": "If you glanced at the title and thought, “I really care — I almost exclusively write C code”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6712323",
"author": "Da... | 1,760,372,060.044623 | ||
https://hackaday.com/2023/12/28/unbricking-trains-uncovering-shady-behavior/ | Unbricking Trains, Uncovering Shady Behavior | Elliot Williams | [
"cons",
"Engine Hacks",
"Reverse Engineering"
] | [
"can-bus",
"locomotive",
"reverse engineering",
"train"
] | The first clue was that a number of locomotives started malfunctioning with exactly 1,000,000 km on the odometer. And when the company with the contract for servicing them couldn’t figure out why, they typed “Polish hackers” into a search engine, and found our heroes [Redford], [q3k], and [MrTick].
What follows is a st... | 48 | 7 | [
{
"comment_id": "6712273",
"author": "Fred",
"timestamp": "2023-12-28T16:48:04",
"content": "Think the point you are missing in spinning it this way is that if the workshop doesn’t know the hardware well enough to be able to enable them already, then it doesn’t know it well enough to service it prop... | 1,760,372,059.983217 | ||
https://hackaday.com/2023/12/28/keeping-watch-over-the-oceans-with-data-buoys/ | Keeping Watch Over The Oceans With Data Buoys | Dan Maloney | [
"Engineering",
"Featured",
"Interest",
"Science",
"Slider"
] | [
"buoy",
"ocean",
"science"
] | When viewed from
just the right position in space
, you’d be hard-pressed to think that our home planet is anything but a water world. And in all the ways that count, you’d be right; there’s almost nothing that goes on on dry land that isn’t influenced by the oceans. No matter how far you are away from an ocean, what’s... | 12 | 9 | [
{
"comment_id": "6712274",
"author": "Bob Catface",
"timestamp": "2023-12-28T16:58:37",
"content": "Here’s a data buoy associated with the university I work at! It’s rad to see all the open data:http://data.moby.mlml.sjsu.edu/",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,060.535962 | ||
https://hackaday.com/2023/12/28/corexy-on-the-pi-pico/ | CoreXY On The Pi Pico | Jenny List | [
"Robots Hacks"
] | [
"CoreXY",
"plotter",
"rp2040"
] | There are enough off-the-shelf CoreXY mechanisms out there that for the cost of an AliExpress order it’s possible to quickly and cheaply make yourself a plotter. But [Koushani Das], [Mahathi Andavolu] and [Dengyu Tu] are completing their project for Cornell University’s ECE 5730 course, so
of course they have designed ... | 8 | 4 | [
{
"comment_id": "6712245",
"author": "Alphatek",
"timestamp": "2023-12-28T14:15:36",
"content": "Using one core per motor is an ‘interesting’ way of doing things…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6712284",
"author": "Badumpbump",
"timesta... | 1,760,372,060.138094 | ||
https://hackaday.com/2023/12/28/a-guide-for-heat-treating-steel-at-home/ | A Guide For Heat-Treating Steel At Home | Bryan Cockfield | [
"how-to"
] | [
"hardness",
"heat treating",
"high carbon steel",
"metal",
"steel",
"tempering",
"tool steel"
] | A lot of colloquial words that we might use when describing something’s durability take on extremely specific meanings when a materials scientist or blacksmith uses them. Things like “strength”, “toughness”, “hardness”, and “resilience” all have different meanings when working in a laboratory or industrial setting than... | 37 | 13 | [
{
"comment_id": "6712198",
"author": "Hermann",
"timestamp": "2023-12-28T10:25:01",
"content": "She had such a calming voice and kind of video making. But the part of the hardness test take me back into engineering class (university) and my heartrate goes anxcious :-)",
"parent_id": null,
"d... | 1,760,372,060.475643 | ||
https://hackaday.com/2023/12/27/a-high-end-studio-multiplexer-surrenders-to-an-arduino/ | A High-End Studio Multiplexer Surrenders To An Arduino | Jenny List | [
"Arduino Hacks"
] | [
"arduino",
"audio",
"broadcast"
] | The equipment used in professional radio and TV studios is both extremely high quality and very expensive indeed, and thus out of the reach of an experimenter. Happily as studios are refurbished there’s a steady supply of second-hand equipment which can be surprisingly cheap, but as [Nathan] found out with a Quartz aud... | 17 | 5 | [
{
"comment_id": "6712238",
"author": "Alexandre Hadjinlian Guerra",
"timestamp": "2023-12-28T13:47:30",
"content": "Amazing. Tons and tons of good stuff that lacks automation can be done sucessfully and cheaply today with a plethora of microcontrollers",
"parent_id": null,
"depth": 1,
"r... | 1,760,372,060.195872 | ||
https://hackaday.com/2023/12/27/an-insulin-injection-that-lasts-for-days-a-new-hope-for-diabetics/ | An Insulin Injection That Lasts For Days: A New Hope For Diabetics | Maya Posch | [
"Medical Hacks",
"Science"
] | [
"biochemistry",
"diabetes",
"insulin"
] | A major challenge for people who have a form of diabetes is the need to regulate the glucose levels in their body. Normally this is where the body’s insulin-producing cells would respond to glucose with a matching amount of insulin, but in absence of this response it is up to the patient to manually inject insulin. Yet... | 12 | 6 | [
{
"comment_id": "6712194",
"author": "Stephen",
"timestamp": "2023-12-28T10:04:21",
"content": "Speaking as the carer for a 94-year-old and forgetful diabetic, I don’t think this is a good idea. The problem is that it’s a lot more difficult to form a habit of doing something every seven days than to... | 1,760,372,059.894563 | ||
https://hackaday.com/2023/12/27/floss-weekly-episode-763-fedora-fixes-everything/ | FLOSS Weekly Episode 763: Fedora Fixes Everything | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"FLOSS Weekly",
"Immutable",
"kde",
"linux",
"Pipewire",
"Wayland"
] | This week Jonathan Bennett and
Dan Lynch
talk once again with Neal Gompa of Fedora, CentOS, openSUSE and more. This time the focus is Fedora, with sprinklings of Immutable Linux, KDE 6, and the new Linux stack of Pipewire, Portals, and Wayland. Neal gives us a rundown of what exactly makes Fedora Atomic so interesting,... | 18 | 7 | [
{
"comment_id": "6712129",
"author": "irox",
"timestamp": "2023-12-28T00:33:24",
"content": "Should we think of Pipewire as Jack 3.0?Personally I fear Yet Another Linux Sound System. We’ve been through so many over the last two decades and usually they don’t result in easy setup and more reliabilit... | 1,760,372,060.39461 | ||
https://hackaday.com/2023/12/27/modern-control-of-a-logic-analyzer/ | Modern Control Of A Logic Analyzer | Al Williams | [
"Linux Hacks",
"Tool Hacks"
] | [] | When you think of a logic analyzer today, you might think of a little USB probe that can measure a few signals and decoding for various serial buses. But actual logic analyzers were high-speed multichannel hardware with sophisticated ways to clock and trigger. [Tom] picked up an HP1670G on the surplus market and was im... | 8 | 6 | [
{
"comment_id": "6712128",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-28T00:16:41",
"content": "Whoa!I thought this was about a Logic Analyzer, but the garden path is winding through“You must also assign addresses, punch holes in your firewall, and set up the right fonts.... | 1,760,372,060.093551 | ||
https://hackaday.com/2023/12/27/raspberry-pi-pico-parallel-mandelbrot-computation/ | Raspberry Pi Pico Parallel Mandelbrot Computation | Julian Scheffers | [
"Raspberry Pi"
] | [
"mandelbrot set",
"parallel computing",
"rp2040"
] | The Mandelbrot set is — when visualized with some colors — an interesting shape with infinite detail. While the patterns are immediately obvious to the human eye, anyone who’s run one can tell you that they’re pretty computationally expensive to produce. Fortunately, as with many things in graphics, rendering the Mande... | 11 | 8 | [
{
"comment_id": "6712140",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-28T01:07:39",
"content": "The Title Photo looks a bit like a Mandelbrot!B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6712148",
"author": "Paul",
"ti... | 1,760,372,060.581137 | ||
https://hackaday.com/2023/12/27/beyond-the-basics-exploring-more-exotic-scope-trigger-modes/ | Beyond The Basics: Exploring More Exotic Scope Trigger Modes | Al Williams | [
"Hackaday Columns",
"Misc Hacks",
"Original Art",
"Skills",
"Slider"
] | [
"oscilloscope",
"setup and hold",
"trigger"
] | Last time, we looked at
some powerful trigger modes
found on many modern scopes, including the Rigol DHO900 series we used as an example. Those triggers were mostly digital or, at least, threshold-based. This time, we’ll look at some more advanced analog triggers as well as a powerful digital trigger that can catch set... | 2 | 2 | [
{
"comment_id": "6712051",
"author": "Julian J BLANCO",
"timestamp": "2023-12-27T18:40:19",
"content": "Nice article: looking forward to this series!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6712493",
"author": "abjq",
"timestamp": "2023-12-29T15... | 1,760,372,060.633256 | ||
https://hackaday.com/2023/12/27/paged-out-releases-long-awaited-third-issue/ | Paged Out!Releases Long-Awaited Third Issue | Tom Nardi | [
"News"
] | [
"InfoSec",
"Paged Out!",
"programming",
"zine"
] | We’re happy to pass along word that
Paged Out!
has finally released Issue #3
. This online zine covers a wide array of technical topics, from software development to hardware hacking, computer security, and electronics.
It’s distributed as a PDF, and is notable for its somewhat experimental format that limits each arti... | 4 | 2 | [
{
"comment_id": "6712095",
"author": "Gynvael Coldwind",
"timestamp": "2023-12-27T21:57:29",
"content": "Ah! Our zine mentioned on hackaday again made my day! <3Note that while Issue #3 might be leaning more into the software world, we always welcome articles on hardware hacking, electronics, PCB de... | 1,760,372,060.937083 | ||
https://hackaday.com/2023/12/27/liftoff-the-origin-of-the-countdown/ | Liftoff! The Origin Of The Countdown | Kristina Panos | [
"Featured",
"History",
"Original Art",
"Slider",
"Space"
] | [
"countdown",
"Fritz Lang",
"George Griffith",
"rocketry",
"space travel",
"spaceflight"
] | What’s the most thrilling part of rocketry? Well, the liftoff, naturally. But what about the sweet anticipation in those tense moments leading up to liftoff? In other words, the countdown. Where did it come from?
Far from being simply a dramatic device, the countdown clock serves a definite purpose — it lets the techni... | 18 | 8 | [
{
"comment_id": "6711981",
"author": "Kryptylomese",
"timestamp": "2023-12-27T15:04:05",
"content": "Posts on this subject starting in:10987….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6712059",
"author": "make piece not war",
"timestamp... | 1,760,372,061.121611 | ||
https://hackaday.com/2023/12/27/veteran-spacex-booster-lost-due-to-rough-seas/ | Veteran SpaceX Booster Lost Due To Rough Seas | Tom Nardi | [
"News",
"Space"
] | [
"Falcon 9",
"nasa",
"reusability",
"SpaceX"
] | With the notable exception of the now retired Space Shuttle orbiters, essentially every object humanity ever shot into space has been single-use only. But since December of 2015, SpaceX has been landing and refurbishing their Falcon 9 boosters, with the end goal of operating their rockets more like cargo aircraft. Toda... | 44 | 9 | [
{
"comment_id": "6711945",
"author": "Thomas",
"timestamp": "2023-12-27T12:40:21",
"content": "F",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6711952",
"author": "F",
"timestamp": "2023-12-27T13:10:26",
"content": "F",
"pare... | 1,760,372,061.060341 | ||
https://hackaday.com/2023/12/27/temperature-measurement-by-wire/ | Temperature Measurement By Wire | Al Williams | [
"Science"
] | [
"resistance",
"temperature"
] | There’s an old joke about how to tell how tall a building is using a barometer. The funniest answer is to find the building owner and offer them a nice barometer in exchange for the information. We wonder if [DiodeGoneWild] has heard that one since his recent video details how to
measure temperatures using an ohmmeter
... | 7 | 7 | [
{
"comment_id": "6711925",
"author": "Steve",
"timestamp": "2023-12-27T09:24:38",
"content": "Resistance Temperature Detectors are a very common methof measuring temperature in industrial applications. High precision platinum sensors can give very accurate meaurements. Most common way to use them is... | 1,760,372,061.28561 | ||
https://hackaday.com/2023/12/26/an-rc-tank-chassis-thats-not-messing-about/ | An RC Tank Chassis That’s Not Messing About | Jenny List | [
"Transportation Hacks"
] | [
"hoverboard motor",
"tank",
"Tank Tracks"
] | It’s not uncommon to see a tracked robot build on these pages, but it’s fair to say that many of them are somewhat on the small side. That was where [iforce2d] started, but the idea of making a more capable version just wouldn’t go away. Thus, he’s come back and made what looks to be a very promising, fully capable out... | 3 | 3 | [
{
"comment_id": "6711956",
"author": "Andrew Singleton",
"timestamp": "2023-12-27T13:27:41",
"content": "There’s a reason WW1 tanks had this sortof ‘vehicular edge’ tread. Yes it can still be trapped, but it takes one hell of a trap to get something like this stuck.",
"parent_id": null,
"dep... | 1,760,372,060.974446 | ||
https://hackaday.com/2023/12/26/a-risc-v-security-key/ | A RISC-V Security Key | Al Williams | [
"Security Hacks"
] | [
"hardware token",
"RISC-V"
] | The TKey is
a RISC-V-based security key
that plugs into a USB port. The device has a number of features, including a device-specific serial number, RAM scrambling, and a monitor that kills the CPU in the event of access to protected memory. There is also an FPGA that, on the end-user version, is locked down. This preve... | 6 | 4 | [
{
"comment_id": "6711934",
"author": "Arnab",
"timestamp": "2023-12-27T10:20:04",
"content": "It’ll be a good comparison to see how it holds up with Nitrokey 3c.Even that’s open source with schematics & application, plus it’s similar cost with nfc.The difference would boil down to this having fpga &... | 1,760,372,061.165772 | ||
https://hackaday.com/2023/12/26/its-switch-mode-but-not-as-you-know-it/ | It’s Switch Mode, But Not As You Know It | Jenny List | [
"hardware"
] | [
"Chopper",
"switch mode",
"thyristor"
] | The switch-mode power supply has displaced traditional supplies almost completely over the last few decades, being smaller, lighter, and more efficient. But that’s not to say that it’s a new idea, and on the way to today’s high-frequency devices there have been quite a few steps. An earlier one is the subject of a tear... | 33 | 9 | [
{
"comment_id": "6711869",
"author": "Joshua",
"timestamp": "2023-12-27T02:48:39",
"content": "“The switch-mode power supply has displaced traditional supplies almost completely over the last few decades, being smaller, lighter, and more efficient. ”Not at my home. And not in all labs, either.Or in ... | 1,760,372,061.240178 | ||
https://hackaday.com/2023/12/25/audio-synthesizer-hooked-up-with-chatgpt-interface/ | Audio Synthesizer Hooked Up With ChatGPT Interface | Lewin Day | [
"Artificial Intelligence",
"Musical Hacks"
] | [
"ChatGPT",
"ece4760",
"music"
] | ChatGPT is being asked to handle all kinds of weird tasks, from determining whether written text was created by an AI, to answering homework questions, and much more. It’s good at some of these tasks, and absolutely incapable of others. [Filipe dos Santos Branco] and [Edward Gu] had an out of the box idea, though.
What... | 15 | 11 | [
{
"comment_id": "6711643",
"author": ".",
"timestamp": "2023-12-26T03:31:33",
"content": "API key right in the thumbnail. Fun.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6711647",
"author": "Todne",
"timestamp": "2023-12-26T04:09:18",
... | 1,760,372,061.338166 | ||
https://hackaday.com/2023/12/25/the-tech-that-died-in-2023/ | The Tech That Died In 2023 | Al Williams | [
"News"
] | [
"2023",
"Gmail",
"google",
"Products"
] | We don’t indulge too often in looking back, but [Chloe Albanesisu] at
PC Magazine
did and wrote the
tech obituary for all the tech gadgets and services that died
over this past year. Some of the entries are a bit predictable: Twitter died to be replaced by X, which is exactly like it, only different. Others we hardly n... | 26 | 9 | [
{
"comment_id": "6711618",
"author": "Ostracus",
"timestamp": "2023-12-26T01:12:34",
"content": "“Amazon gave up on both donating money through shopping and print subscriptions via Kindle.”This is new.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6711803",... | 1,760,372,061.39705 | ||
https://hackaday.com/2023/12/25/building-a-rad-super-capacitor-rc-plane/ | Building A Rad Super Capacitor RC Plane | Lewin Day | [
"Battery Hacks",
"Toy Hacks"
] | [
"flight",
"plane",
"rc plane",
"supercapacitor"
] | [Tom Stanton] is a fan of things like rubber band planes, and has built many of his own air-powered models over the years. Now, he’s built a model powered by a supercapacitor
for a thoroughly modern twist on stored-energy flying toys.
It’s not a wholly original idea; [Tom] was inspired by a toy he bought off-the-shelf.... | 16 | 8 | [
{
"comment_id": "6711592",
"author": "Beeahhoootiful",
"timestamp": "2023-12-25T22:14:42",
"content": "I just love the way the capacitors are arranged radially just like a piston radial engine.Now that’s creative design for you!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,061.453764 | ||
https://hackaday.com/2023/12/25/3d-printing-with-plastic-cutlery/ | 3D Printing With Plastic Cutlery | Al Williams | [
"3d Printer hacks",
"green hacks"
] | [
"3d printer filament",
"cnc kitchen",
"recycling"
] | How many plastic spoons, knives, and forks do you think we throw away daily? [Stefan] noted that the compostable type is made from PLA, so why shouldn’t you be able to
recycle it into 3D printing stock
? How did it work? Check it out in the video below.
[Stefan] already has a nice setup for extruding filament. However,... | 18 | 7 | [
{
"comment_id": "6711566",
"author": "Leonardo",
"timestamp": "2023-12-25T19:35:41",
"content": "Too expensivee",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6711576",
"author": "Nic",
"timestamp": "2023-12-25T20:39:14",
"content": "... | 1,760,372,061.653719 | ||
https://hackaday.com/2023/12/25/is-this-3d-printed-third-arm-useful-maybe/ | Is This 3D Printed Third Arm Useful? Maybe? | Lewin Day | [
"Wearable Hacks"
] | [
"arm",
"third arm"
] | Humans have two arms, and we do pretty good things with them. More is surely better, though, right? With that in mind, [Emily The Engineer]
set out to make a third arm
for popular YouTuber [This Old Tony], and our primary question is this: is it actually useful?
The basic design is based around a strapped-on arm brace,... | 11 | 8 | [
{
"comment_id": "6711524",
"author": "Otto Octavius",
"timestamp": "2023-12-25T15:16:46",
"content": "If you mount the arms on a backpack, there must be four.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6711525",
"author": "brucedesertrat",
"timesta... | 1,760,372,061.698852 | ||
https://hackaday.com/2023/12/25/promethean-matches-the-ancestor-to-modern-matches/ | Promethean Matches: The Ancestor To Modern Matches | Maya Posch | [
"chemistry hacks"
] | [
"matches",
"promethean matches",
"prometheus"
] | The history of making fire at will is a long and storied one, stretching back to the days when we’d rub wooden sticks together, or use flint and steel to ignite tinder. An easier, albeit vastly more expensive and dangerous alternative came in the 19th century when chemists discovered auto-ignition using a potassium chl... | 7 | 1 | [
{
"comment_id": "6711515",
"author": "Prfesser",
"timestamp": "2023-12-25T14:19:52",
"content": "Merry Christmas from PartsUnknown, Kentucky!Ellern’s “Military and Civilian Pyrotechnics” has fascinating details on the history, chemistry, and current production of matches. Starts on page 64:https://a... | 1,760,372,061.749074 | ||
https://hackaday.com/2023/12/25/radiochat-is-a-simple-lora-interface-over-wifi/ | Radiochat Is A Simple LoRa Interface Over WiFi | Lewin Day | [
"Microcontrollers",
"Radio Hacks"
] | [
"communication",
"LoRa",
"Raspberry Pi Pico"
] | LoRa is often talked about as a potentially useful solution for emergency communication. The problem is, few of us are running around with LoRa hardware on a day-to-day basis. Student [William Barkoff] designed the Radiochat device
as a simple tool that could pair with virtually anything over WiFi,
and allow it to send... | 20 | 7 | [
{
"comment_id": "6711478",
"author": "schobi",
"timestamp": "2023-12-25T09:30:52",
"content": "For emergencies, a self contained device would be nice…Could the electronics be stuffed into an old Nokia 3310?Reuse the display and keypad – for a retro T9 interface (to discourage too much spamming).Bonu... | 1,760,372,061.870803 | ||
https://hackaday.com/2023/12/26/restoring-the-dc-bias/ | Restoring The DC Bias | Al Williams | [
"Misc Hacks"
] | [
"DC block",
"dc restoration",
"transformers"
] | If you have a signal that passes through a capacitor or transformer, you will lose the DC portion of the signal. What do you do? If you need it, you can
restore the DC bias
using various techniques, as [Sam Ben-Yaakov] shows in a recent video.
These types of circuits were common in analog TVs, and, in fact, [Sam] shows... | 1 | 1 | [
{
"comment_id": "6711875",
"author": "Esot.eric",
"timestamp": "2023-12-27T03:09:42",
"content": "Interesting tool for the toolbox. Thanks, Al and Sam!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,061.959433 | ||
https://hackaday.com/2023/12/26/chinas-nuclear-powered-containership-a-fluke-or-the-future-of-shipping/ | China’s Nuclear-Powered Containership: A Fluke Or The Future Of Shipping? | Maya Posch | [
"Current Events",
"Featured",
"Interest",
"Science"
] | [
"marine propulsion",
"nuclear propulsion"
] | Since China State Shipbuilding Corporation (CSSC)
unveiled its KUN-24AP containership
at the Marintec China Expo in Shanghai in early December of 2023, the internet has been abuzz about it. Not just because it’s the world’s largest container ship at a massive 24,000
TEU
, but primarily because of the power source that ... | 73 | 18 | [
{
"comment_id": "6711770",
"author": "TG",
"timestamp": "2023-12-26T18:48:05",
"content": "Good because a small handful of cargo ships outweigh the emissions of every single land vehicle on Earth combined. But they are going to have to have the steel to open up with chainguns on Somali boats approac... | 1,760,372,062.124814 | ||
https://hackaday.com/2023/12/26/building-a-better-keyboard-and-mouse-switch/ | Building A Better Keyboard And Mouse Switch | Navarre Bartz | [
"computer hacks",
"Peripherals Hacks"
] | [
"cable management",
"kvm",
"network",
"raspberry pi",
"Raspberry Pi Pico",
"rp2040",
"switching"
] | Switching inputs between desktops seems like something that should be simple but can prove to be a pain in reality. [Hrvoje Cavrak] decided to take matters into his own hands and build a
better keyboard and mouse switch
.
DeskHop is built from two Raspberry Pi Pico boards connected via UART and separated by an Analog D... | 38 | 9 | [
{
"comment_id": "6711745",
"author": "anonymous",
"timestamp": "2023-12-26T17:01:35",
"content": "> …your mouse pointer “magically” goes from one screen to the other when dragged across the screen edge.I don’t want to detract from the builder’s accomplishment, but in case folks do not know…x2x and c... | 1,760,372,062.197156 | ||
https://hackaday.com/2023/12/26/game-graphics-rasterization/ | Game Graphics: Rasterization | Julian Scheffers | [
"Featured",
"Games",
"Skills",
"Slider"
] | [
"computer graphics",
"game graphics",
"rasterization",
"shaders"
] | Last time
, I talked about racing the beam, a type of graphics used when memory was scarce. Now it’s time to step into the future with more memory and talk about what modern 2D games still do to this day: rasterization.
Just in
time
Memory
Continuing the trend set by racing the beam, rasterized graphics are also on a g... | 4 | 2 | [
{
"comment_id": "6711759",
"author": "GrumpyBob",
"timestamp": "2023-12-26T18:08:36",
"content": "Hmm.. did all this start back in the 70s, 80s and 90s. It sounds like you may have missed optimizations based on Duff’s device and the many versions of Bresenham’s algorithm. N dimensional B’s algorithm... | 1,760,372,062.342588 | ||
https://hackaday.com/2023/12/26/the-strange-world-of-japans-pc-98-computer-ecosystem/ | The Strange World Of Japan’s PC-98 Computer Ecosystem | Maya Posch | [
"Retrocomputing"
] | [
"PC-98",
"PC-9800"
] | Despite the popularity of the IBM PC in the West during the 1980s, it had shortcomings that prevented it from flourishing in the Japanese market, most of all support for the Japanese language. This led to a sort of parallel universe in which NEC’s PC-9800 series (‘PC-98’) was the dominant personal computer, including i... | 48 | 8 | [
{
"comment_id": "6711712",
"author": "Zalan Meggyesi",
"timestamp": "2023-12-26T13:39:42",
"content": "What, no mention of the Touhou Project? (/s, just in case)It’s still going strong and its first five or so installments were on PC-98 before switching to Windows.",
"parent_id": null,
"dept... | 1,760,372,062.29545 | ||
https://hackaday.com/2023/12/26/open-source-scanner-scans-the-slides/ | Open Source Scanner Scans The Slides | Al Williams | [
"digital cameras hacks"
] | [
"slide scanner"
] | What do you get when you join a slide projector and a digital camera?
Filmolimo
, an open source slide scanner. The scanner uses an M5Stack Fire, an ESP32 development board. Thanks to the ESP32, you can control the device via WiFi.
All the project files, including KiCAD design files, are on
GitHub
. Of course, you will... | 9 | 5 | [
{
"comment_id": "6711681",
"author": ".",
"timestamp": "2023-12-26T09:34:04",
"content": "Had to understand how this could possibly work without Linux, Python, and a web service.Anyhow, my slide scanner uses the camera and slide projector.Most slide projectors have slideshow mode.A microswitch trigg... | 1,760,372,062.010486 | ||
https://hackaday.com/2023/12/25/a-web-server-the-sixteen-bit-way/ | A Web Server, The Sixteen Bit Way | Jenny List | [
"Network Hacks",
"Retrocomputing"
] | [
"dos",
"freedos",
"web server"
] | If you were to talk about sixteen bit computing in retrocomputing circles, misty-eyed reminiscences of the ST or Amiga would emerge. Both fine platforms, but oddly the elephant in the 16-bit room has become a victim of its own success. DOS, the granddaddy of all PC operating systems, seems oddly overshadowed by its 680... | 12 | 5 | [
{
"comment_id": "6711662",
"author": "Timo",
"timestamp": "2023-12-26T06:35:45",
"content": "That header photo is an IBM XT 8 bit computer with 4.77mhz.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6711663",
"author": "Joshua",
"timestamp":... | 1,760,372,062.399305 | ||
https://hackaday.com/2023/12/24/3d-printing-stacks/ | 3D Printing Stacks | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"stack printing"
] | There is a big difference between building one of something and building, say, 100 of the same item. It isn’t surprising, then, that 3D printing in bulk differs from printing one object at a time. Of course, filling up your build plate is not a new idea. But [Keep Making] wants to encourage you to
think in three dimens... | 3 | 3 | [
{
"comment_id": "6711504",
"author": "Collie147",
"timestamp": "2023-12-25T12:15:54",
"content": "The face screen STLs during the pandemic that everyone printed were geared this way, in stacks of 3/5/10 as far as I remember. Required a little work to separate them but was clean enough once done, sli... | 1,760,372,062.437395 | ||
https://hackaday.com/2023/12/24/hidden-wall-mount-table-looks-like-hanging-art/ | Hidden Wall-Mount Table Looks Like Hanging Art | Lewin Day | [
"home hacks"
] | [
"folding shelf",
"hidden shelf",
"shelf",
"woodworking"
] | If you live in a compact space, sometimes you have to get creative with your furniture to make the most of it.
This wall-hanging table design from [diyhuntress]
is perfect for those situations where you need a table, but you don’t want it taking up the whole room when it’s not in use. Plus, it’s kinda stealthy, which m... | 13 | 8 | [
{
"comment_id": "6711472",
"author": "elwing",
"timestamp": "2023-12-25T08:28:54",
"content": "It begs for a way to lock the “foot” at 90°…Great build otherwise!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6711487",
"author": "IIVQ",
"time... | 1,760,372,062.486942 | ||
https://hackaday.com/2023/12/24/hackaday-links-december-24-2023/ | Hackaday Links: December 24, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"240Z",
"antarctica",
"car restoration",
"car sales",
"ChatGPT",
"CME",
"flare",
"gps",
"hackaday links",
"linkages",
"propagation",
"Solar Cycle 25",
"storm",
"sunspots",
"time zones",
"Vostok",
"Z-car"
] | Back near the beginning of the current Solar Cycle 25,
we penned an article
on what the whole deal is with solar cycles, and what could potentially lie in store for us as the eleven-year cycle of sunspot population developed. Although it doesn’t really come across in the article, we remember being somewhat pessimistic ... | 10 | 2 | [
{
"comment_id": "6711416",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-25T01:22:46",
"content": "I have a Garmin GPS stuck to the windshield, a TomTom and a Nexstar (Staples brand from the 2000 aughts) on the center console. I hate the thought of activating Location on my... | 1,760,372,062.535505 | ||
https://hackaday.com/2023/12/24/absorbing-traffic-noise-with-bricks-using-helmholtz-resonators/ | Absorbing Traffic Noise With Bricks Using Helmholtz Resonators | Maya Posch | [
"Science"
] | [
"acoustics",
"architecture",
"Helmholtz Resonator"
] | One inevitable aspect of cities and urban life in general is that it is noisy, with traffic being one of the main sources of noise pollution. Finding a way to attenuate especially the low-frequency noise of road traffic was the subject of [Joe Krcma]’s Masters Thesis, the results of which
he gave a talk on
at the Portl... | 25 | 10 | [
{
"comment_id": "6711393",
"author": "steelman",
"timestamp": "2023-12-24T22:11:55",
"content": "For the research, [Joe]’s group developed a number of Helmholtz resonator designs and manufacturing methodsHave they developed a method of cleaning them inside?",
"parent_id": null,
"depth": 1,
... | 1,760,372,062.601441 | ||
https://hackaday.com/2023/12/24/diy-cleats-give-you-traction-in-ice-and-snow/ | DIY Cleats Give You Traction In Ice And Snow | Lewin Day | [
"Wearable Hacks"
] | [
"cleats",
"ice",
"shoes",
"snow",
"winter"
] | It’s getting into the cold and snowy season for much of the world, and that means it can be slippy when you go walking outside. If you need more traction, but your shoes don’t have spikes, fear not. You can build yourself a set of
these nifty strap-on cleats designed by [Zero To Infinity]
.
The cleats are a 3D printed ... | 16 | 9 | [
{
"comment_id": "6711357",
"author": "Ken Sweeney",
"timestamp": "2023-12-24T18:18:42",
"content": "I just ran a bunch of hex head sheet metal screws in to the sole of my boots. When the ice was gone, just back them out!",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,062.750947 | ||
https://hackaday.com/2023/12/24/how-does-a-sewing-machine-sew/ | How Does A Sewing Machine Sew? | Al Williams | [
"Tech Hacks"
] | [
"clothing",
"industrial revolution",
"sewing machine"
] | Like all Hackaday readers, we pride ourselves on having at least a passing acquaintance with how most things work. But we suspect to a lot of people, things we take for granted — computers, air conditioning, motors, and cell phones — are just black magic. That’s how we feel about sewing machines. Sure, there’s a motor.... | 35 | 14 | [
{
"comment_id": "6711320",
"author": "Joshua",
"timestamp": "2023-12-24T15:20:51",
"content": "“You might think you don’t care about sewing, but machine sewing has touched nearly everyone.”That’s so true. For a while, we had sewing in school as a school subject, even.Ah, I remember these good old Pf... | 1,760,372,062.958223 | ||
https://hackaday.com/2023/12/24/talking-ohmmeter-also-spits-out-color-bands-for-you/ | Talking Ohmmeter Also Spits Out Color Bands For You | Lewin Day | [
"Tool Hacks"
] | [
"ece 4760",
"ohmmeter",
"resistor"
] | If you’ve got a resistor and you can’t read the color bands (or they’re not present), you can always just grab a multimeter and figure out its value that way. [Giacomo Yong Cuomo] and [Sophia Lin] have built an altogether different kind of ohmmeter, that can actually spit out color values for you, and even read the res... | 13 | 9 | [
{
"comment_id": "6711301",
"author": "jbx",
"timestamp": "2023-12-24T14:09:54",
"content": "That’s interesting as a µC project but I’m not sure it’s very practical as a professional tool :– Color coding once learnt stays inside your brain forever.– Talking machine is no help with a noisy surounding ... | 1,760,372,063.058061 | ||
https://hackaday.com/2023/12/24/nes-classic-metroid-ported-to-equally-classic-super-nintendo/ | NES ClassicMetroidPorted To Equally Classic Super Nintendo | Drew Littrell | [
"Games",
"Nintendo Hacks"
] | [
"nintendo",
"retro gaming",
"snes",
"video games",
"videogames"
] | There was a time early in the development of the Super Nintendo (SNES) where the new console was to feature backwards compatibility with NES games. The solution would have required a cumbersome cartridge adapter and a hard switch on every console to flip the CPU into 8-bit mode. Unfortunately, it was not meant to be — ... | 8 | 3 | [
{
"comment_id": "6711280",
"author": "Eric",
"timestamp": "2023-12-24T11:16:58",
"content": "“Item not availableThe item is not available due to issues with the item’s content. ”I guess Nintendo didn’t approve and DMCA’d this one already",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,063.003663 | ||
https://hackaday.com/2023/12/23/mailblocks-makes-your-phone-work-more-like-the-post-kinda/ | Mailblocks Makes Your Phone Work More Like The Post, Kinda? | Lewin Day | [
"Network Hacks",
"Phone Hacks"
] | [
"dns",
"mailbox",
"notifications",
"phone",
"smartphone"
] | Phones can be distracting, with notifications popping up all the time to snare our attention and maybe even ruin our lives. [Guy Dupont] wishes to be no slave to the machine, and thus built a solution.
Enter Mailblocks
.
The concept is simple. It’s a physical mailbox which [Guy] can put his phone in. All notifications ... | 3 | 1 | [
{
"comment_id": "6711248",
"author": "bemusedHorseman",
"timestamp": "2023-12-24T07:02:57",
"content": "I really like the idea (and the mailbox format is adorable!), but I would be very cautious as to /which/ app notifications you do this to. Some social media apps /really/ don’t like being unable t... | 1,760,372,062.866844 | ||
https://hackaday.com/2023/12/23/dial-up-over-discord/ | Dial Up Over Discord | Al Williams | [
"Retrocomputing",
"Software Hacks"
] | [
"dialup",
"Discord",
"modem"
] | Some hacks are useful and some are just… well… for the fun of it, and we can appreciate that. Take, for example, [Cool Blog’s] recent experiments with dialup networking. If you think about it, the BBS systems of yesterday have been replaced with more modern tools like Discord. So why not
run modems using audio chat ove... | 18 | 10 | [
{
"comment_id": "6711228",
"author": "Andrew",
"timestamp": "2023-12-24T05:30:55",
"content": "You can pry my US Robotics Sportster from my cold, dead, hands.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6711230",
"author": "Feinfinger (with diabolic lau... | 1,760,372,063.153307 | ||
https://hackaday.com/2023/12/23/diy-pneumatic-actuator-does-great-in-action/ | DIY Pneumatic Actuator Does Great In Action | Lewin Day | [
"Tool Hacks"
] | [
"3d printed",
"actuator",
"pneumatic",
"Pneumatics"
] | Pneumatic actuators can be powerful and fast, making them very useful for all kinds of mechanical jobs. [Michael Rechtin] decided that while he could buy them off-the-shelf, he preferred to see if he could make his own via 3D printing.
Despite the challenges, he succeeded!
Part of his success is because he knew when to... | 5 | 2 | [
{
"comment_id": "6711218",
"author": "LookAtDaShinyShiny",
"timestamp": "2023-12-24T04:28:13",
"content": "Wouldn’t the better way have been to use the circular saw that was pulled out of the cupboard first?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "671... | 1,760,372,063.100697 | ||
https://hackaday.com/2023/12/23/mega-cnc-router-carves-styrofoam-into-a-full-size-flying-delorean/ | Mega-CNC Router Carves Styrofoam Into A Full-Size Flying Delorean | Dan Maloney | [
"cnc hacks",
"drone hacks"
] | [
"abb",
"cnc",
"DeLorean",
"EPS",
"expanded polystyrene foam",
"Industrial robot",
"quadcopter",
"router",
"styrofoam"
] | When you own an enormous CNC router, you’ve got to find projects that justify it. So why not shoot for the sky — literally — and build the 1980s-est possible thing:
a full-scale flying Delorean
.
Attentive readers will no doubt remember [Brian Brocken] from
his recent attempt to bring a welding robot out of retirement
... | 18 | 9 | [
{
"comment_id": "6711143",
"author": "make piece not war",
"timestamp": "2023-12-23T21:23:31",
"content": "Polystyrene bits everywhere!!! I hate that! Almost impossible to remove, it’s electrostatic and hangs on anything it touches. Alao when the nearby flat was enveloped to increase thermal insulat... | 1,760,372,063.209741 | ||
https://hackaday.com/2023/12/23/infrared-following-robot-built-as-proof-of-concept-for-autonomous-luggage/ | Infrared Following Robot Built As Proof-of-Concept For Autonomous Luggage | Lewin Day | [
"Robots Hacks"
] | [
"following",
"infrared",
"luggage",
"robot"
] | Once upon a time, the poor humans of the past had to lug around suitcases and trunks with their own arms. Then, some genius figured out that you could just put wheels on and make everyone’s life a million times easier. Now, what if you didn’t even have push, because your luggage could just follow you instead? Well,
stu... | 7 | 5 | [
{
"comment_id": "6711113",
"author": "A",
"timestamp": "2023-12-23T18:34:50",
"content": "Red Dwarf called it. We’re one step closer to luggage losing it’s human.https://www.youtube.com/watch?v=7bdstJYUfMA",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6711119... | 1,760,372,063.25779 | ||
https://hackaday.com/2023/12/23/hardware-its-made-of-software/ | Hardware: It’s Made Of Software! | Elliot Williams | [
"Hackaday Columns"
] | [
"open source software"
] | We had the opportunity to add a new feature to our lineup: the
FLOSS Weekly
podcast. It’s a very long running series that covers the goings on in the free, libre, and open-source software world. It’s been co-hosted by our own [Jonathan Bennett] for quite a while now, and when
This Week in Tech
announced that they wante... | 17 | 7 | [
{
"comment_id": "6711085",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-23T15:41:38",
"content": "The logo(?) for FLOSS had me thinking it was a silhouette of a dolphin (A.K.A Flipper). But I guess it is supposed to be a silhouette of Tux?",
"parent_id": null,
"dep... | 1,760,372,063.312729 | ||
https://hackaday.com/2023/12/23/digital-bike-horn-will-play-custom-sounds-please-be-tasteful/ | Digital Bike Horn Will Play Custom Sounds, Please Be Tasteful | Lewin Day | [
"Transportation Hacks"
] | [
"bicycle",
"DFPlayer",
"dfplayer mini",
"horn",
"sound"
] | When you’re out riding your bike, a horn can be a useful warning device to other road users and pedestrians alike. It can also be a source of fun and amusement, or annoyance, depending on the sounds it makes and how you use it. For the ultimate flexibility, you might like this digital bicycle horn that offers customiza... | 19 | 6 | [
{
"comment_id": "6711056",
"author": "LookAtDaShinyShiny",
"timestamp": "2023-12-23T12:47:12",
"content": "Typo on the linko, get’s you a 404 ho ho ho… try this one instead.https://www.instructables.com/Digital-Bicycle-Horn-With-Customizable-Sound/",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,064.062073 | ||
https://hackaday.com/2023/12/23/uks-jet-tokamak-retires-after-40-years-and-105842-pulses/ | UK’s JET Tokamak Retires After 40 Years And 105,842 Pulses | Maya Posch | [
"Science"
] | [
"nuclear fusion",
"tokamak"
] | The UK’s most famous fusion reactor – the Joint European Torus (JET) tokamak – saw its first plasma on June 25th of 1983.
Its final plasma pulse
was generated on December 18th of 2023, for a total of 105,842 pulses over forty-and-a-half years and countless experiments.
Comparison of toroidal field (TF) coils from JET, ... | 20 | 5 | [
{
"comment_id": "6711116",
"author": "moo",
"timestamp": "2023-12-23T18:55:13",
"content": "could we stop romanticizing lab equipment just because it is really big? you don’t say goodbye to a centrifuge or autoclave. it gives people weird ideas like trying to “save” things that are outdated, always ... | 1,760,372,063.507991 | ||
https://hackaday.com/2023/12/22/raspberry-pi-pico-becomes-midi-compatible-synth/ | Raspberry Pi Pico Becomes MIDI-Compatible Synth | Lewin Day | [
"Musical Hacks"
] | [
"audio",
"pi pico",
"Raspberry Pi Pico",
"synthesizer"
] | ECE 4760 is a microcontroller course that runs at Cornell every year, and it gives students a wide remit to pursue various kinds of microcontroller projects. [Pelham Bergesen] took the class and built himself
a MIDI-controllable synthesizer out of a Raspberry Pi Pico.
[Pelham] coded a library to parse MIDI messages on ... | 13 | 7 | [
{
"comment_id": "6711043",
"author": "Jan",
"timestamp": "2023-12-23T09:57:40",
"content": "He for sure didnt understand the MIDI protocol.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6711053",
"author": "H Hack",
"timestamp": "2023-12-23T... | 1,760,372,063.573607 |
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