url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
values | publish_date stringclasses 1
value | categories listlengths 0 12 | tags listlengths 0 27 | featured_image stringlengths 0 272 | content stringlengths 0 56.1k | comments_count int64 0 900 | scraped_comments_count int64 0 50 | comments listlengths 0 50 | scraped_at float64 1.76B 1.76B |
|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2025/07/30/a-dual-screen-cyberdeck-to-rule-them-all/ | A Dual-Screen Cyberdeck To Rule Them All | Jenny List | [
"Cyberdecks"
] | [
"cyberdeck",
"raspberry pi"
] | We like cyberdecks here at Hackaday, and in our time we’ve brought you some pretty amazing builds. But perhaps now we’ve seen the ultimate of the genre,
a cyberdeck so perfect in its execution that this
will
be the machine of choice in the dystopian future
, leaving all the others as mere contenders. It comes courtesy ... | 13 | 6 | [
{
"comment_id": "8156079",
"author": "Foldi-One",
"timestamp": "2025-07-30T09:18:44",
"content": "What a nice bit of design, with some good thought put into making use of what a Pi is often used for in the end, really love the relatively easy removal of SD or Pi for integration into your other proje... | 1,760,371,471.091924 | ||
https://hackaday.com/2025/07/29/avif-the-avian-image-format/ | AVIF: The Avian Image Format | Aaron Beckendorf | [
"digital audio hacks",
"Science"
] | [
"audiomoth",
"bird calls",
"birds",
"birdsong",
"microphone",
"ornithology",
"ultrasonic"
] | Humans have long admired the sound of birdsong, but to fully appreciate how technically amazing it is, you
need an ultrasonic microphone
. [Benn Jordan] recently created a video about using these microphones to analyze a collection of bird calls, even training a starling to repeat an image encoded in sound, and has som... | 35 | 12 | [
{
"comment_id": "8156053",
"author": "TG",
"timestamp": "2025-07-30T05:04:50",
"content": "Welp what PNG are you gonna encode into all the local starlings?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8156084",
"author": "Woody WP",
"timest... | 1,760,371,470.922962 | ||
https://hackaday.com/2025/07/29/casting-meteorite-like-materials/ | Casting Meteorite-like Materials | Aaron Beckendorf | [
"Science"
] | [
"aluminium",
"copper",
"iron",
"metal casting",
"meteorite",
"meteorites",
"nickel"
] | From the outside, iron meteorites tend to look like formless, rusted lumps of metal, which is why museums often polish and etch sections to show their interior structure. This reveals their Widmanstätten patterns, a latticework structure of parallel iron-nickel intermetallic crystals which forms over millions of years ... | 3 | 3 | [
{
"comment_id": "8156158",
"author": "Tedious bore",
"timestamp": "2025-07-30T14:41:13",
"content": "That’s very interesting!“55% aluminium”As a fun aside I note that on my keyboard you can type “55%” by hitting “555” with a shift on the third character.So you can literally do this with a 555! 😃",
... | 1,760,371,470.808362 | ||
https://hackaday.com/2025/07/29/2025-one-hertz-challenge-precise-time-ref-via-1-pulse-per-second-gps-signal/ | 2025 One Hertz Challenge: Precise Time Ref Via 1 Pulse-Per-Second GPS Signal | John Elliot V | [
"clock hacks"
] | [
"gps",
"gps disciplined oscillator",
"ocxo",
"oven controlled crystal oscillator",
"VCXO",
"Voltage-Controlled Crystal Oscillator"
] | Our hacker [Wil Carver] has sent in his submission for the One Hertz Challenge:
Precise Time Ref via 1 Pulse-Per-Second GPS Signal
.
This GPS Disciplined Oscillator (GPSDO) project uses a Piezo 2940210 10 MHz crystal oscillator which is both oven-controlled (OCXO)
and
voltage-controlled (VCXO). The GPSDO takes the prec... | 5 | 1 | [
{
"comment_id": "8155989",
"author": "Bob",
"timestamp": "2025-07-29T23:16:22",
"content": "This is really easy with those cheap GPS modules (<$5 AliExpress et al) as the PPS (Pulse Per Second) signal is on the header.For those where it isn’t on the header (4 pin as opposed to 5 pin) it’s easy enoug... | 1,760,371,470.687239 | ||
https://hackaday.com/2025/07/29/attiny-powered-business-card-plays-cracktro-hits/ | ATtiny-Powered Business Card Plays Cracktro Hits | Matt Varian | [
"handhelds hacks"
] | [
"attiny",
"attiny 1616",
"pcb business card"
] | PCB business cards are a creative way to show your tech skills while getting your name out there. This take on a
PCB business card
, sent in by [VCC], tackles one of the big challenges with them: making them in such a way that they are cheap enough to not feel bad about handing them out.
These cards plug into a USB por... | 11 | 3 | [
{
"comment_id": "8155957",
"author": "Amigaman",
"timestamp": "2025-07-29T20:41:24",
"content": "Ohhh… It has been a while since I last heard these amiga/c64. How did they fit in the attiny161 16k of program+data ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,371,470.576927 | ||
https://hackaday.com/2025/07/29/2025-one-hertz-challenge-fixing-the-clock-that-once-synced-the-world/ | 2025 One-Hertz Challenge: Fixing The Clock That Once Synced The World | Lewin Day | [
"clock hacks"
] | [
"2025 Hackaday One Hertz Challenge",
"clock",
"hewlett packard"
] | The HP 115BR is not one of the most well-known products from Hewlett-Packard. And yet, it was remarkably important nonetheless. This hardware once synced time around the world. Now, for our 2025 One-Hertz Challenge,
[curiousmarc] has taken on the job of restoring it.
The HP 115BR itself was not used alone, but in conce... | 5 | 3 | [
{
"comment_id": "8155938",
"author": "Austin Lesea",
"timestamp": "2025-07-29T18:22:56",
"content": "Of interest, when I went to NIST ‘time school in the 1980’s in Boulder, Co, the ‘father’ of the HP 5060A Atomic clock, Leonard Cutler, told me that his boss had him place a 12 hr clock in the unit, b... | 1,760,371,471.136134 | ||
https://hackaday.com/2025/07/29/numbers-station-simulator-right-in-your-browser/ | Numbers Station Simulator, Right In Your Browser | Donald Papp | [
"Art",
"Software Hacks"
] | [
"numbers station",
"tts",
"web speech api"
] | Do you find an odd comfort in the uncanny, regular intonations of a Numbers Station? Then check out
[edent]’s numbers station project
, which leverages the browser’s speech synthesis engine to deliver a ceaseless flow of (mostly) numbers, calmly-intoned in various languages.
The project is an entry for the
annual JavaS... | 6 | 5 | [
{
"comment_id": "8155911",
"author": "macsimki",
"timestamp": "2025-07-29T16:23:59",
"content": "im not shure if its my phone, but the speech synthesizer does not say the individual numbers, but combines them into one big number.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,371,470.849451 | ||
https://hackaday.com/2025/07/29/power-line-patrols-the-grids-eye-in-the-sky/ | Power Line Patrols: The Grid’s Eye In The Sky | Dan Maloney | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"drone",
"flir",
"grid",
"helicopter",
"image intensifier",
"inspection",
"transmission",
"uav",
"uv"
] | Those of us who like to monitor air traffic with ADS-B aggregators such as FlightAware and ADS-B Exchange tend to see some interesting flight paths. I’m not talking about
the truly ambitious pictures drawn by pilots
, or even
the more ribald ones
, but rather flights that follow paths that seem to make little sense fro... | 18 | 9 | [
{
"comment_id": "8155895",
"author": "MAC",
"timestamp": "2025-07-29T14:59:39",
"content": "Similarly, the petroleum and natural gas pipeline infrastructure is monitored via aerial ‘pipeline patrol’. When I was young, my father flew pipeline patrols over parts of Kansas and Oklahoma. I rode with hi... | 1,760,371,470.640247 | ||
https://hackaday.com/2025/07/29/tetris-in-a-single-line-of-code/ | TetrisIn A Single Line Of Code | Ian Bos | [
"classic hacks",
"Games"
] | [
"bbc basic",
"emulation",
"one line",
"tetris"
] | PC gaming in the modern era has become a GPU measuring contest, but back when computers had far fewer resources, every sprite had to be accounted for. To many, this was peak gaming. So let’s look to the greats of [Martin Hollis, David Moore, and Olly Betts], who had the genius (or insanity) to
create
Tetris
in a single... | 18 | 5 | [
{
"comment_id": "8155854",
"author": "Steev",
"timestamp": "2025-07-29T11:43:34",
"content": "For more small basic goodness, don’t forget the 10 liner competition:https://bunsen.itch.io/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8155870",
"author": "A... | 1,760,371,470.984721 | ||
https://hackaday.com/2025/07/29/solar-light-mains-light-yes/ | Solar Light? Mains Light? Yes! | Al Williams | [
"green hacks",
"Solar Hacks"
] | [
"MOSFETS",
"solar power"
] | So you want a light that runs off solar power. But you don’t want it to go dark if your batteries discharge. The answer? A solar-mains hybrid lamp. You could use solar-charged batteries until they fall below a certain point and then switch to mains, but that’s not nearly cool enough. [Vijay Deshpande] shows how to make... | 21 | 5 | [
{
"comment_id": "8155823",
"author": "shinsukke",
"timestamp": "2025-07-29T09:48:10",
"content": "This is quite bad honestly.The faux BMS is really not needed (with its 0.5mA continuous drain!), SLA batteries can work well without kids gloves. The undervoltage lockout is useful though.This entire pr... | 1,760,371,471.043537 | ||
https://hackaday.com/2025/07/28/2025-one-hertz-challenge-drop-the-beat-but-only-at-60-bpm/ | 2025 One Hertz Challenge: Drop The Beat (But Only At 60 BPM) | Adam Zeloof | [
"clock hacks",
"contests"
] | [
"drip",
"Raspberry Pi Pico",
"rp2040",
"water"
] | Mankind has been using water to mark the passage of time for thousands of years. From dripping stone pots in Ancient Egypt to the more mechanically-complicated Greco-Roman Clepsydrae, the history of timekeeping is a wet one — and it makes sense. As an incompressible fluid, water flows in very predictable patterns. If y... | 1 | 1 | [
{
"comment_id": "8155982",
"author": "Phill",
"timestamp": "2025-07-29T22:32:15",
"content": "I hope that’s not printer ink – It would be the most expensive clock ever made!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,471.172604 | ||
https://hackaday.com/2025/07/28/models-of-wave-propagation/ | Models Of Wave Propagation | Al Williams | [
"Science"
] | [
"physics",
"turbo pascal",
"wave propagation"
] | [Stoppi] always has interesting blog posts and videos, even when we don’t understand all the German in them. The latest?
Computer simulation of wave propagation
(
Google Translate link
), which, if nothing else, makes pretty pictures that work in any language. Check out the video below.
Luckily, most browsers will tran... | 7 | 3 | [
{
"comment_id": "8155677",
"author": "David",
"timestamp": "2025-07-29T02:49:53",
"content": "Turbo PascalWow, didn’t see that coming. I was expecting either something 21st century or a pre-1970 version of FORTRAN (now Fortran)source codeDID see that coming.Fun fact: When Frank Hayes was a boy, FO... | 1,760,371,471.656625 | ||
https://hackaday.com/2025/07/28/skateboard-wheels-add-capabilities-to-plasma-cutter/ | Skateboard Wheels Add Capabilities To Plasma Cutter | Bryan Cockfield | [
"cnc hacks"
] | [
"cnc",
"cutting",
"miter",
"notch",
"pipe",
"plasma cutter",
"skateboard",
"wheels"
] | Although firmly entrenched in the cultural zeitgeist now, the skateboard wasn’t always a staple of popular culture. It had a pretty rocky start as surfers jankily attached roller skating hardware to wooden planks searching for wave-riding experiences on land. From those rough beginnings it still took decades of innovat... | 4 | 4 | [
{
"comment_id": "8155643",
"author": "Skyler",
"timestamp": "2025-07-29T01:10:39",
"content": "That’s clever!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8155766",
"author": "irox",
"timestamp": "2025-07-29T06:53:31",
"content": "Another approac... | 1,760,371,471.698336 | ||
https://hackaday.com/2025/07/28/destructive-testing-of-abs-and-carbon-fiber-nylon-parts/ | Destructive Testing Of ABS And Carbon Fiber Nylon Parts | Maya Posch | [
"3d Printer hacks"
] | [
"abs",
"FDM",
"nylon"
] | PAHT-CF part printed at 45 degrees, with reinforcing bolt, post-failure. (Credit: Functional Print Friday, YouTube)
The good part about FDM 3D printing is that there are so many different filament types and parameters to choose from. This is also the bad part, as it can often be hard to tell what impact a change has. F... | 9 | 3 | [
{
"comment_id": "8155465",
"author": "Grawp",
"timestamp": "2025-07-28T20:33:01",
"content": "But isn’t CF like a new age asbeatos?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8155487",
"author": "Jace",
"timestamp": "2025-07-28T21:01:44",... | 1,760,371,471.750097 | ||
https://hackaday.com/2025/07/27/the-power-free-tag-emulator/ | The Power-Free Tag Emulator | Jenny List | [
"Radio Hacks"
] | [
"13.56mhz",
"emulator",
"NFC"
] | Most of you know how an NFC tag works. The reader creates an RF field that has enough energy to power the electronics in the tag; when the tag wakes up, two-way communication ensues. We’re accustomed to blank tags that can be reprogrammed, and devices like the Flipper Zero that can emulate a tag. In between those two i... | 20 | 9 | [
{
"comment_id": "8155053",
"author": "linus io",
"timestamp": "2025-07-28T07:44:41",
"content": "Wonder what kinds of NFC it can emulate. Looked into this project some years ago, which is only for RFID at 125kHz I think but still fascinatinghttps://scanlime.org/2012/12/avr-rfid-optimized-and-ported-... | 1,760,371,471.615696 | ||
https://hackaday.com/2025/07/27/hackaday-links-july-27-2025/ | Hackaday Links: July 27, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"70 cm",
"allocation",
"angular momentum",
"Earth science",
"fcc",
"gridfinity",
"hackaday links",
"Kaizenm foam",
"length of day",
"microsoft",
"organization",
"poop",
"ransomware",
"rotation",
"sequester",
"shadowbox",
"spectrum",
"tools",
"uhf"
] | Sad breaking news late this Sunday afternoon of
the passing of nerd icon Tom Lehrer at 97
. Coming up through the culture, knowing at least a few of Tom’s ditties, preferably “The Elements” or “Poisoning Pigeons in the Park,” was as essential to proving one’s bona fides as committing most Monty Python bits to memory. T... | 9 | 7 | [
{
"comment_id": "8154960",
"author": "yet another bruce",
"timestamp": "2025-07-28T00:32:40",
"content": "My name is Columba Livia and you poisoned my ancestors and mocked them, prepare to die.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8154974",
"auth... | 1,760,371,471.554914 | ||
https://hackaday.com/2025/07/27/2025-one-hertz-challenge-rpi-tinynumberhat9/ | 2025 One Hertz Challenge: RPI TinynumberHat9 | Matt Varian | [
"contests"
] | [
"2025 Hackaday One Hertz Challenge",
"HT16K33"
] | This eye-catching entry to the One Hertz Challenge pairs vintage LED indicators with a modern RPi board to create a one-of-a-kind clock. The
RPI TinynumberHat9
by [Andrew] brings back the beautiful interface from high end electronics of the past.
This project is centered around the red AL304 and green ALS314V 7-segment... | 2 | 2 | [
{
"comment_id": "8154965",
"author": "Observer",
"timestamp": "2025-07-28T01:06:23",
"content": "I remember building a homebrew frequency counter back in the 80’s using some HP display modules that had this kind of aesthetic. IIRC, each module contained a 7-segment Red LED digit, a 4 bit latch, and ... | 1,760,371,472.088954 | ||
https://hackaday.com/2025/07/27/a-very-tidy-handheld-pi-terminal-indeed/ | A Very Tidy Handheld Pi Terminal Indeed | Jenny List | [
"handhelds hacks"
] | [
"handheld",
"hyperpixel",
"Raspberry Pi Zero 2 W"
] | As single board computers have become ever smaller and more powerful, so have those experimenting with them tried to push the boundaries of the machines they can be used in. First we had cyberdecks, and now we have handheld terminals. Of this latter class we have
a particularly nice example from [Random Alley Cat]
. It... | 30 | 11 | [
{
"comment_id": "8154889",
"author": "34t34t",
"timestamp": "2025-07-27T19:18:44",
"content": "to fat, short time workingsorry but still old pocket vaio is better or sony palm ux50 worling longest",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8154893",
... | 1,760,371,471.86588 | ||
https://hackaday.com/2025/07/27/game-boy-camera-in-wedding-photo-booth/ | Game Boy Camera In Wedding Photo Booth | Bryan Cockfield | [
"digital cameras hacks"
] | [
"camera",
"flask",
"game boy",
"game boy camera",
"game boy printer",
"photo booth",
"photography",
"raspberry pi",
"wedding"
] | For those of a certain age the first digital camera many of us experienced was the Game Boy Camera, an add-on for the original Game Boy console. Although it only took pictures with the limited 4-tone monochrome graphics of this system, its capability of being able to take a picture, edit it, create drawings, and then p... | 12 | 2 | [
{
"comment_id": "8154907",
"author": "TG",
"timestamp": "2025-07-27T20:56:55",
"content": "Millennials (hopefully) on their second marriages I see",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8154937",
"author": "Joshua",
"timestamp": "2025... | 1,760,371,471.801297 | ||
https://hackaday.com/2025/07/27/a-cable-modem-the-way-all-network-gear-should-be-mounted/ | A Cable Modem, The Way All Network Gear Should Be Mounted | Jenny List | [
"Network Hacks"
] | [
"19-inch",
"19-inch rack",
"network modem"
] | Home routers and cable modems are now extremely powerful devices, but they all suffer from the attention of their manufacturers’ design and marketing departments. Instead of neatly packaging them in functional cases, they impose aesthetics and corporate identity on them, usually resulting in a curvy plastic case that’s... | 25 | 9 | [
{
"comment_id": "8154832",
"author": "CJay",
"timestamp": "2025-07-27T13:41:31",
"content": "It’s got to be said, I do like a nice rack.Especially when it’s all neatly tied up and organised",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8154888",
"au... | 1,760,371,471.927851 | ||
https://hackaday.com/2025/07/27/a-non-sony-playstation-motherboard-replacement/ | A Non-Sony Playstation Motherboard Replacement | Bryan Cockfield | [
"Games"
] | [
"gaming",
"hardware",
"motherboard",
"nsone",
"original hardware",
"playstation",
"replacement",
"retro"
] | As hardware ages, it becomes harder and harder to keep it in service. Whether that’s because of physical aging or lack of support from the company who built it in the first place, time is not generally good for electronics, especially when it comes to our beloved retro gaming systems. The first Playstation, for example... | 12 | 4 | [
{
"comment_id": "8154805",
"author": "WTF Detector",
"timestamp": "2025-07-27T10:40:08",
"content": "Holy moly, that’s a clean-looking board. Amazing work by [LorentioB]!I wonder if they have any plans to extend their skills towards the many PlayStation-based arcade platforms, too. One of the really... | 1,760,371,471.97448 | ||
https://hackaday.com/2025/07/28/2025-one-hertz-challenge-clock-calibrator/ | 2025 One-Hertz Challenge: Clock Calibrator | Lewin Day | [
"clock hacks",
"contests"
] | [
"2025 Hackaday One Hertz Challenge",
"calibration",
"clock",
"clock calibration",
"timing"
] | Wall clocks! Are they very accurate? Well, sometimes they are, and sometimes they lose minutes a day. If you’ve got one that needs calibrating,
you might like this device from [Lauri Pirttiaho].
Most cheap wall clocks use very similar mechanisms based around the
Lavet-type stepper motor
. These are usually driven by a ... | 8 | 4 | [
{
"comment_id": "8155569",
"author": "Ferenc",
"timestamp": "2025-07-28T22:36:21",
"content": "I’d love to see this done to a regular pendulum clock. Perhaps by influencing the pendulum.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8155773",
"autho... | 1,760,371,472.390542 | ||
https://hackaday.com/2025/07/28/be-more-axolotl-how-humans-may-one-day-regrow-limbs-and-organs/ | Be More Axolotl: How Humans May One Day Regrow Limbs And Organs | Maya Posch | [
"Hackaday Columns",
"Medical Hacks",
"Science"
] | [
"axolotl",
"cellular regeneration",
"regenerative medicine"
] | Although often glossed over, the human liver is a pretty amazing organ. Not just because it’s pretty much the sole thing that prevents our food from killing us, but also because it’s the only organ in our body that is capable of significant regeneration. This is a major boon in medicine, as you can remove most of a per... | 26 | 8 | [
{
"comment_id": "8155371",
"author": "echodelta",
"timestamp": "2025-07-28T18:10:23",
"content": "Here here for regeneration of the hair cells in hearing. I heard for 30 years or more about being able to do this in human subjects. Chickens do it!",
"parent_id": null,
"depth": 1,
"replies... | 1,760,371,472.2963 | ||
https://hackaday.com/2025/07/28/learn-computing-head-for-montana/ | Learn Computing? Head For MonTana! | Al Williams | [
"Retrocomputing"
] | [
"cpu",
"gameboy",
"learning computer",
"pdp-11"
] | We’ve often thought that it must be harder than ever to learn about computers. Every year, there’s more to learn, so instead of making the gentle slope from college mainframe, to Commodore 64, to IBM PC, to NVidia supercomputer, you have to start at the end. But, really, you don’t. You can always emulate computers from... | 10 | 3 | [
{
"comment_id": "8155304",
"author": "UnderSampled",
"timestamp": "2025-07-28T15:42:29",
"content": "WASM-4 is another good option.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8155368",
"author": "Jon Mayo",
"timestamp": "2025-07-28T18:05:... | 1,760,371,472.345785 | ||
https://hackaday.com/2025/07/28/a-history-of-pong/ | A History Of Pong | Al Williams | [
"Featured",
"Games",
"History",
"Original Art",
"Retrocomputing"
] | [
"general instruments",
"Magnavox Odyssey",
"pong",
"video games"
] | Today, creating a ground-breaking video game is akin to making a movie. You need a story, graphic artists, music, and more. But until the middle of the 20th century, there were no video games. While several games can claim to be the “first” electronic or video game, one is cemented in our collective memory as the first... | 8 | 6 | [
{
"comment_id": "8155298",
"author": "Doctor Duck",
"timestamp": "2025-07-28T15:35:14",
"content": "Not to mention the Fairchild, which arrived in 1976 and was the first to use cartridges. Expensive console, but lots of $20 games",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,371,472.599119 | ||
https://hackaday.com/2025/07/28/wayland-will-never-be-ready-for-every-x11-user/ | Wayland Will Never Be Ready For Every X11 User | Maya Posch | [
"Linux Hacks"
] | [
"Wayland",
"x11"
] | After more than forty years, everyone knows that it’s time to retire the X Window System – X11 for short – on account of it being old and decrepit. Or at least that’s what the common narrative is, because if you dig into the chatter surrounding the ongoing transition there are some real issues that people have with the... | 140 | 32 | [
{
"comment_id": "8155167",
"author": "Some One",
"timestamp": "2025-07-28T11:40:44",
"content": "There’s definitely regressions that need to be fixed, but the way it is presented here is just misinformation, mixing things like project-specific bugs and misunderstandings in as Wayland problems.*BSD i... | 1,760,371,472.782767 | ||
https://hackaday.com/2025/07/28/commodore-64-on-new-fpga/ | Commodore 64 On New FPGA | Bryan Cockfield | [
"Retrocomputing"
] | [
"6502",
"commodore 64",
"fpga",
"hdmi",
"retrocomputing",
"tang nano 9k",
"verilog",
"vhdl",
"VIC-II"
] | When it comes to getting retro hardware running again, there are many approaches. On one hand, the easiest path could be to emulate the hardware on something modern, using nothing but software to bring it back to life. On the other, many prefer to restore the original hardware itself and make sure everything is exactly... | 19 | 7 | [
{
"comment_id": "8155105",
"author": "xChris",
"timestamp": "2025-07-28T10:23:58",
"content": "There are more FPGA cores on Tang 9k :https://github.com/harbaum",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8155411",
"author": "Jo",
"timestam... | 1,760,371,472.528006 | ||
https://hackaday.com/2025/07/27/experience-other-planets-with-the-gravity-simulator/ | Experience Other Planets With The Gravity Simulator | Bryan Cockfield | [
"Arduino Hacks",
"LED Hacks"
] | [
"arduino",
"balance",
"gravity",
"IMU",
"planets",
"simulator",
"space"
] | As Earthlings, most of us don’t spend a lot of extra time thinking about the gravity on our home planet. Instead, we go about our days only occasionally dropping things or tripping over furniture but largely attending to other matters of more consequence. When humans visit other worlds, though, there’s a lot more consi... | 8 | 7 | [
{
"comment_id": "8155040",
"author": "Miles",
"timestamp": "2025-07-28T06:25:25",
"content": "Now to make one using a LED strip of 100 pixels per meter.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8155118",
"author": "Matthew Dwyer",
"timestamp": "2... | 1,760,371,472.433064 | ||
https://hackaday.com/2025/07/26/2025-one-hertz-challenge-shadow-clock/ | 2025 One-Hertz Challenge: Shadow Clock | Lewin Day | [
"clock hacks"
] | [
"2025 Hackaday One Hertz Challenge",
"clock",
"time"
] | You can buy all kinds of conventional clocks that have hands and numbers for easy reading. Or, like [Fabio Ricci], you could build yourself something a little more esoteric,
like this neat shadow clock
.
The heart of the build is an ESP8266 microcontroller, which gets the current time via Wi-Fi by querying an NTP time ... | 0 | 0 | [] | 1,760,371,472.473363 | ||
https://hackaday.com/2025/07/26/vintage-plasma-display-shows-current-rad-levels/ | Vintage Plasma Display Shows Current Rad Levels | Tyler August | [
"classic hacks"
] | [
"Chernobyl",
"ESP-32",
"plasma display"
] | It’s hard to argue that Soviet-Era nuclear engineering may have some small flaws, what with the heavily-monitored exclusion zone around Chernobyl No.4. Evidently, their industrial designers were more on-the-ball, because [Alex] has crafted the
absolute most stylish fallout monitor we’ve ever seen
, with ESP32 and a vin... | 11 | 6 | [
{
"comment_id": "8154739",
"author": "dudefromthenorth",
"timestamp": "2025-07-27T03:04:30",
"content": "pretty",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8154741",
"author": "Cody",
"timestamp": "2025-07-27T03:12:53",
"content": "Those old pla... | 1,760,371,472.831792 | ||
https://hackaday.com/2025/07/26/engrave-a-cylinder-without-a-rotary-attachment-no-problem/ | Engrave A Cylinder Without A Rotary Attachment? No Problem! | Donald Papp | [
"cnc hacks",
"Laser Hacks"
] | [
"laser",
"laser engraving",
"mug",
"rotary"
] | Laser-engraving a cylindrical object usually requires a rotary attachment, which is a motorized holder that rotates a cylindrical object in sync with the engraver. But [Samcraft] shows that
engraving all around a mug can be done without a motorized rotary holder
.
Separating a design into elements thin enough to engrav... | 3 | 1 | [
{
"comment_id": "8154861",
"author": "MW",
"timestamp": "2025-07-27T16:40:30",
"content": "“Have an LLM like ChatGPT give you the settings…” Nope.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8154910",
"author": "TG",
"timestamp": "2025-07-... | 1,760,371,472.873053 | ||
https://hackaday.com/2025/07/26/2025-one-hertz-challenge-a-clock-sans-silicon/ | 2025 One-Hertz Challenge: A Clock Sans Silicon | Lewin Day | [
"clock hacks",
"contests"
] | [
"2025 Hackaday One Hertz Challenge",
"clock",
"dekatron",
"tubes"
] | Just about every electronic device has some silicon semiconductors inside these days—from transistors to diodes to integrated circuits.
[Charles] is trying to build a “No-Silicon digital clock” that used none of these parts.
It looks like [Charles] is on the way to success, but one might like to point out an amusing te... | 12 | 9 | [
{
"comment_id": "8154664",
"author": "TG",
"timestamp": "2025-07-26T21:09:29",
"content": "Now that’s a proper project. What goes in that empty hole with what looks like a tea candle in the bottom?Could claim “no semiconductors” instead of no silicon if you used the original namesake of diodes (or m... | 1,760,371,472.926887 | ||
https://hackaday.com/2025/07/26/signal-injector-might-still-be-handy/ | Signal Injector Might Still Be Handy | Al Williams | [
"Tool Hacks"
] | [
"signal injector",
"signal tracer"
] | Repairing radios was easier when radios were simple. There were typically two strategies. You could use a signal tracer (an amplifier) to listen at the volume control. If you heard something, the problem was after the volume control. If you didn’t, then the problem was something earlier in the signal path. Then you fin... | 1 | 1 | [
{
"comment_id": "8154730",
"author": "reg",
"timestamp": "2025-07-27T01:38:13",
"content": "If you know what you are looking for you can use a cheap fully unlocked baofeng uv-5r to sniff for a lot of signals. Way back in the day I built a transmitter and it was crystal controlled but had three mult... | 1,760,371,472.963924 | ||
https://hackaday.com/2025/07/26/personalization-industrial-design-and-hacked-devices/ | Personalization, Industrial Design, And Hacked Devices | Elliot Williams | [
"Hackaday Columns",
"Phone Hacks",
"Rants",
"Slider"
] | [
"art",
"design",
"newsletter",
"style"
] | [Maya Posch] wrote up an insightful, and maybe a bit controversial, piece on the state of consumer goods design:
The Death Of Industrial Design And The Era Of Dull Electronics
. Her basic thesis is that the “form follows function” aesthetic has gone too far, and all of the functionally equivalent devices in our life no... | 28 | 8 | [
{
"comment_id": "8154544",
"author": "Sword",
"timestamp": "2025-07-26T14:35:43",
"content": "I really miss landscape keyboard phones. I keep trying to find a modern N900 replacement.Daily drove an original fxtec pro1 for 5 years and it was nice to have the keyboard, and Sailfish provided linux, but... | 1,760,371,473.276116 | ||
https://hackaday.com/2025/07/26/read-qr-codes-on-the-cheap/ | Read QR Codes On The Cheap | Al Williams | [
"digital cameras hacks"
] | [
"arducam",
"QR codes"
] | Adding a camera to a project used to be a chore, but modern camera modules make it simple. But what if you want to read QR codes? [James Bowman] noticed a $7 module that
claims to read QR codes
so he decided to try one out.
The module seems well thought out. There’s a camera, of course. A Qwiic connector makes hooking ... | 15 | 7 | [
{
"comment_id": "8154520",
"author": "Stephen Mewller",
"timestamp": "2025-07-26T12:58:45",
"content": "I wish he would have tested a QR code at full capacity and put a minimum and maximum distance where it works. Admittedly the 110 degree FOV and this lens is not ideal for the application.",
"p... | 1,760,371,473.018739 | ||
https://hackaday.com/2025/07/25/human-in-the-loop-compass-cnc-redefines-workspace-limits/ | Human In The Loop: Compass CNC Redefines Workspace Limits | Matt Varian | [
"cnc hacks",
"Tool Hacks"
] | [
"CNC machine",
"CNC router",
"Teensy 4.1"
] | CNCs come in many forms, including mills, 3D printers, lasers, and plotters, but one challenge seems universal: there’s always a project slightly too large for your machine’s work envelope. The
Compass CNC
addresses this limitation by incorporating the operator as part of the gantry system.
The Compass CNC features a c... | 15 | 6 | [
{
"comment_id": "8154253",
"author": "ono",
"timestamp": "2025-07-25T16:04:29",
"content": "it´s a brilliant platform. And hopefully a nail in the foot of Shaper Origin, and their closed & cloud crapaware.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "815... | 1,760,371,473.071756 | ||
https://hackaday.com/2025/07/25/this-week-in-security-sharepoint-initramfs-and-more/ | This Week In Security: Sharepoint, Initramfs, And More | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks",
"Slider"
] | [
"linux",
"Secure Boot",
"SharePoint",
"This Week in Security"
] | There was a disturbance in the enterprise security world, and
it started with a Pwn2Own Berlin
. [Khoa Dinh] and the team at Viettel Cyber Security discovered a pair of vulnerabilities in Microsoft’s SharePoint. They were demonstrated at the Berlin competition in May, and patched by Microsoft in this month’s Patch Tues... | 12 | 6 | [
{
"comment_id": "8154221",
"author": "Panondorf",
"timestamp": "2025-07-25T14:24:14",
"content": "Initramfs – ugh!Ok, I get why a distro maintainer would want this. You have to come up with one kernel that works across all your many users hardware and install choices. In the past that might have bee... | 1,760,371,473.132939 | ||
https://hackaday.com/2025/07/25/transparent-pcbs-trigger-90s-nostalgia/ | Transparent PCBs Trigger 90s Nostalgia | Lewin Day | [
"Arduino Hacks",
"PCB Hacks"
] | [
"flex PCB",
"flexible circuit board",
"flexible printed circuit",
"pcb"
] | What color do you like your microcontroller boards? Blue? Red? Maybe white or black? Sadly, all of those are about to look old hat. Why? Well, as shared by [JLCPCB],
this transparent Arduino looks amazing.
The board house produced this marvel using its transparent flexible printed circuit (FPC) material. Basically, the... | 42 | 17 | [
{
"comment_id": "8154157",
"author": "RichC",
"timestamp": "2025-07-25T11:08:48",
"content": "I was thinking this would look really cool for multi-layer boards, but many of those layers are often ground-plane copper pours that would block the view……we need transparent aluminium ground planes too.",
... | 1,760,371,473.359326 | ||
https://hackaday.com/2025/07/25/reachy-the-robot-gets-a-mini-kit-version/ | Reachy The Robot Gets A Mini (Kit) Version | Donald Papp | [
"Artificial Intelligence",
"Robots Hacks"
] | [
"ai",
"huggingface",
"kit",
"machine learning",
"reachy",
"robot"
] | Reachy Mini
is a kit for a compact, open-source robot designed explicitly for AI experimentation and human interaction. The kit is available from Hugging Face, which is itself a repository and hosting service for machine learning models. Reachy seems to be one of their efforts at branching out from pure software.
Our g... | 13 | 11 | [
{
"comment_id": "8154142",
"author": "K8",
"timestamp": "2025-07-25T09:33:35",
"content": "Totally stealing those cute kinematics.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8154150",
"author": "70sjukebox",
"timestamp": "2025-07-25T10:40:41",
... | 1,760,371,473.416681 | ||
https://hackaday.com/2025/07/24/not-repairing-an-old-tape-recorder/ | Not Repairing An Old Tape Recorder | Al Williams | [
"Teardown"
] | [
"reel-to-reel",
"tape recorder"
] | When you think of a tape recorder, you might think of a cassette tape. However, [Michael Simpson] has an
old Star-Lite
small reel-to-reel tape machine. It isn’t a repair so much as a rework to make it work better. These cheap machines were never the best, although a $19 tape player back then was a luxury.
Part of the p... | 13 | 9 | [
{
"comment_id": "8154195",
"author": "Steven-X",
"timestamp": "2025-07-25T13:15:05",
"content": "That recorder would be my age.But I do remember when the reel-to-reel recorder was the sign of an awesome home sound system.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comme... | 1,760,371,473.467009 | ||
https://hackaday.com/2025/07/24/when-the-uks-telephone-network-went-digital-with-system-x/ | When The UK’s Telephone Network Went Digital With System X | Maya Posch | [
"History"
] | [
"telephone exchange"
] | The switch from analog telephone exchanges to a purely digital network meant a revolution in just about any way imaginable. Gone were the bulky physical switches and associated system limitations. In the UK this change happened in the early 1980s, with what the Post Office Telecommunications (later British Telecom) and... | 24 | 12 | [
{
"comment_id": "8154115",
"author": "Johnu",
"timestamp": "2025-07-25T08:18:08",
"content": "System X was still very much alive and working when I left in ~09, there were boards that started out with a couple of Z80’s in them that had pentiums strapped in there (the pentiums were obsolete by then t... | 1,760,371,473.525019 | ||
https://hackaday.com/2025/07/24/comprehensive-test-set-released-for-the-intel-80286/ | Comprehensive Test Set Released For The Intel 80286 | Lewin Day | [
"Retrocomputing"
] | [
"286",
"80286",
"arduinox86",
"cpu",
"intel"
] | Remember the 80286? It was the sequel to the 8086, the chip that started it all, and it powered a great number of machines in the early years of the personal computing revolution. It might not be as relevant today, but regardless,
[Daniel Balsom] has now released a comprehensive test suite
for the ancient chip. (via
Th... | 23 | 6 | [
{
"comment_id": "8153957",
"author": "dremu",
"timestamp": "2025-07-24T23:32:35",
"content": "“[The 80286] was the sequel to the 8086” is either an over-simplification or disingenuous, I can’t decide. There was the 80186/80188 in there, though they’re a special kettle of fish in their own right. Yes... | 1,760,371,473.588273 | ||
https://hackaday.com/2025/07/24/painting-in-metal-with-selective-electroplating/ | Painting In Metal With Selective Electroplating | Aaron Beckendorf | [
"3d Printer hacks",
"chemistry hacks"
] | [
"3018",
"cnc",
"electrochemistry",
"electrolyte",
"electrolyte bath",
"electroplating"
] | Most research on electroplating tries to find ways to make it plate parts more uniformly. [Ajc150] took the opposite direction, though, with his
selective electroplating
project, which uses an electrode mounted on a CNC motion system to electrochemically print images onto a metal sheet (
GitHub repository
).
Normally, ... | 5 | 2 | [
{
"comment_id": "8153899",
"author": "smellsofbikes",
"timestamp": "2025-07-24T20:49:04",
"content": "People have done something vaguely similar but manually, using a wetted cotton swab with an electrical connection to a power supply, for doing multicolor painting on titanium through voltage-specifi... | 1,760,371,473.630483 | ||
https://hackaday.com/2025/07/24/2025-one-hertz-challenge-555-timer-gets-a-signal-from-above/ | 2025 One Hertz Challenge: 555 Timer Gets A Signal From Above | Adam Zeloof | [
"contests",
"hardware",
"Microcontrollers"
] | [
"2025 Hackaday One Hertz Challenge",
"555 timer",
"allan deviation",
"gps",
"gpsdo",
"timekeeping"
] | One of the categories we chose for the One Hertz Challenge is “Could Have Used a 555.” What about when you couldn’t have, but did anyway? The 555 is famously easy to use, but not exactly the most accurate timer out there — one “ticking” at 1 Hz will pulse just about once per second (probably to within a millisecond, de... | 7 | 5 | [
{
"comment_id": "8153862",
"author": "SparkyGSX",
"timestamp": "2025-07-24T19:28:15",
"content": "I was thinking of using a long fiber and the finite speed of light, counting the number of times a pulse was received at the other end and a new pulse generated at the beginning, but I don’t have the ti... | 1,760,371,473.678941 | ||
https://hackaday.com/2025/07/24/keymo-brings-a-pencil-to-the-cyberdeck-fight/ | KeyMo Brings A Pencil To The Cyberdeck Fight | Navarre Bartz | [
"Cyberdecks"
] | [
"cyberdeck",
"paper",
"pencil",
"raspberry pi"
] | Computers and cellphones can do so many things, but sometimes if you want to doodle or take a note, pencil and paper is the superior technology. You could carry a device and a pocket notebook, or you could combine the best of analog and digital with
the KeyMo
.
[NuMellow] wanted a touchpad in addition to a keyboard for... | 2 | 1 | [
{
"comment_id": "8153829",
"author": "eswan",
"timestamp": "2025-07-24T18:13:48",
"content": "Reminds me of the IBM TransNote.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8153907",
"author": "Paul",
"timestamp": "2025-07-24T21:17:11",
... | 1,760,371,473.721827 | ||
https://hackaday.com/2025/07/24/supersonic-flight-may-finally-return-to-us-skies/ | Supersonic Flight May Finally Return To US Skies | Tom Nardi | [
"Current Events",
"Engineering",
"Featured",
"Original Art",
"Slider",
"Transportation Hacks"
] | [
"boeing",
"concorde",
"SST",
"supersonic flight"
] | After World War II, as early supersonic military aircraft were pushing the boundaries of flight, it seemed like a foregone conclusion that commercial aircraft would eventually fly faster than sound as the technology became better understood and more affordable. Indeed, by the 1960s the United States, Britain, France, a... | 51 | 4 | [
{
"comment_id": "8153709",
"author": "Geert van Dijk",
"timestamp": "2025-07-24T14:10:58",
"content": "The boom was one thing, but man, making a het (especially with that capacity) exceed certain speed also guzzles whatever fuel you put in. The numbers just don’t add up anymore, except to maybe unne... | 1,760,371,473.819108 | ||
https://hackaday.com/2025/07/24/teufel-introduces-an-open-source-bluetooth-speaker/ | Teufel Introduces An Open Source Bluetooth Speaker | Lewin Day | [
"digital audio hacks",
"hardware"
] | [
"bluetooth speaker",
"repair",
"speaker"
] | There are a ton of Bluetooth speakers on the market. Just about none of them have any user-serviceable components or replacement parts available. When they break, they’re dead and gone, and you buy a new one. [Jonathan Mueller-Boruttau] wrote in to tell us about the latest speaker from Teufel Audio, which aims to break... | 33 | 17 | [
{
"comment_id": "8153650",
"author": "Nath",
"timestamp": "2025-07-24T11:51:38",
"content": "Finally, companies start getting it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8153689",
"author": "Collie147",
"timestamp": "2025-07-24T13:24:46",
"co... | 1,760,371,474.047979 | ||
https://hackaday.com/2025/07/24/eight-artificial-neurons-control-fully-autonomous-toy-truck/ | Eight Artificial Neurons Control Fully Autonomous Toy Truck | John Elliot V | [
"Artificial Intelligence",
"Machine Learning",
"Robots Hacks"
] | [
"artificial neural network",
"autonomous vehicle",
"remote control car",
"Spiking Neural Network"
] | Recently the [Global Science Network] released a video of
using an artificial brain to control an RC truck
.
The video shows a neural network comprised of eight artificial neurons assembled on breadboards used to control a fully autonomous toy truck. The truck is equipped with four proximity sensors, one front, one fro... | 11 | 7 | [
{
"comment_id": "8153589",
"author": "John Elliot V",
"timestamp": "2025-07-24T09:09:50",
"content": "lol :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8153615",
"author": "M",
"timestamp": "2025-07-24T10:17:08",
"content": "ok…….but how where ... | 1,760,371,473.912277 | ||
https://hackaday.com/2025/07/23/frogfind-grabs-the-wap/ | FrogFind Grabs The WAP | Tyler August | [
"Phone Hacks",
"Retrocomputing"
] | [
"2g",
"frog find",
"retrocomputer",
"wap"
] | Yes, the Wireless Application Protocol! What other WAP could there possibly be? This long-dormant cellphone standard is now once again available on the web, thanks to [Sean] over at
ActionRetro
modifying his FrogFind portal as a translation engine.
Now any web site can be shoved through the WAP!
WAP was rolled out in 1... | 24 | 8 | [
{
"comment_id": "8153502",
"author": "Jeff Geerling",
"timestamp": "2025-07-24T05:10:49",
"content": "Oh my the title, lol.I haven’t seen any activity around emulating 2G, unfortunately. I’m guessing it would be a bit of effort and also require running it in extremely low power or in an anechoic cha... | 1,760,371,473.980254 | ||
https://hackaday.com/2025/07/26/listening-to-ethernet-via-eurorack/ | Listening To Ethernet Via Eurorack | Lewin Day | [
"Musical Hacks",
"Network Hacks"
] | [
"audio",
"ethernet",
"eurorack",
"modular synth",
"synth"
] | Ethernet is how we often network computers together, particularly when they’re too important to leave on a fussy WiFi connection. Have you ever thought about
listening
to Ethernet signals, though? Well, you totally could,
with the NSA selector from [wenzellabs].
The NSA selector is a Eurorack module, designed for use a... | 9 | 6 | [
{
"comment_id": "8154458",
"author": "CJay",
"timestamp": "2025-07-26T08:21:27",
"content": "Love it, but by god, don’t put your headphones on until 10 seconds in, that bag isloud",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8154462",
"author": "Tom G",
... | 1,760,371,474.094976 | ||
https://hackaday.com/2025/07/25/a-modern-version-of-famous-classic-speaker/ | A Modern Version Of Famous, Classic Speaker | Bryan Cockfield | [
"Musical Hacks"
] | [
"amplifier",
"Doppler",
"Hammond",
"leslie",
"motor",
"music",
"speaker",
"vibrato"
] | Modern musicians may take for granted that a wide array of musical instruments can either be easily connected to a computer or modeled entirely in one, allowing for all kinds of nuanced ways of creating unique sounds and vivid pieces of music without much hardware expense. Not so in the 1930s. Musicians of the time oft... | 12 | 10 | [
{
"comment_id": "8154496",
"author": "cdilla",
"timestamp": "2025-07-26T11:27:04",
"content": "Ah, Leslie speakers, takes me back. Never could afford one myself but had use of one for a while with my guitar. Personally I enjoyed the video. The revisioning is appealing and the presentation laid back... | 1,760,371,476.047974 | ||
https://hackaday.com/2025/07/25/building-a-color-teaching-toy-for-tots/ | Building A Color Teaching Toy For Tots | Lewin Day | [
"Toy Hacks"
] | [
"color sensor",
"ESP32"
] | Last year, [Deep Tronix] wished to teach colors to his nephew. Thus, he built a toy to help educate a child about colors by pairing them with sounds,
and Color Player was born
.
The build is based around the TCS34725, an off-the-shelf color sensor. It’s paired with an ESP32, which senses colors and then plays sounds in... | 0 | 0 | [] | 1,760,371,476.351341 | ||
https://hackaday.com/2025/07/25/zine-printing-tips-from-a-solopreneur/ | Zine Printing Tips From A Solopreneur | Donald Papp | [
"classic hacks",
"how-to"
] | [
"binding",
"printing",
"zine"
] | Zines (self-produced, small-circulation publications) are
extremely
DIY, and therefore punk- and hacker-adjacent by nature. While they can be made with nothing more than a home printer or photocopier, some might benefit from professional production while losing none of their core appeal. However, the professional print... | 28 | 9 | [
{
"comment_id": "8154378",
"author": "David",
"timestamp": "2025-07-26T00:30:09",
"content": "Old hacker-ajacent guy says: “Back in my day, sonny, we were lucky if we had access to a mimeograph or ditto machine. Now get off my lawn!”",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,476.002884 | ||
https://hackaday.com/2025/07/25/massive-aluminum-snake-casting-becomes-water-cooling-loop-for-pc/ | Massive Aluminum Snake Casting Becomes Water Cooling Loop For PC | Lewin Day | [
"Tech Hacks"
] | [
"aluminium casting",
"aluminum casting",
"casting",
"computer",
"pc",
"sand casting",
"water cooling"
] | Water cooling was once only the preserve of hardcore casemodders and overclockers. Today, it’s pretty routinely used in all sorts of performance PC builds. However,
few are using large artistic castings as radiators like [Mac Pierce] is doing.
The casting itself was inspired on the concept of the ouroboros, the snake w... | 5 | 3 | [
{
"comment_id": "8154362",
"author": "James",
"timestamp": "2025-07-25T23:12:11",
"content": "That’s incredible I love it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8154456",
"author": "Kalten",
"timestamp": "2025-07-26T08:11:43",
"content": "N... | 1,760,371,475.887799 | ||
https://hackaday.com/2025/07/25/2025-one-hertz-challenge-a-discrete-component-divider-chain/ | 2025 One Hertz Challenge: A Discrete Component Divider Chain | Jenny List | [
"clock hacks",
"contests"
] | [
"2025 One Hertz Contest",
"32.768 kHz",
"clock divider"
] | Most of us know that a quartz clock uses a higher frequency crystal oscillator and a chain of divider circuits to generate a 1 Hz pulse train. It’s usual to have a 32.768 kHz crystal and a 15-stage divider chain, which in turn normally sits inside an integrated circuit. Not so for [Bobricius],
who’s created just such a... | 23 | 5 | [
{
"comment_id": "8154305",
"author": "D",
"timestamp": "2025-07-25T18:46:22",
"content": "“Most of us know that a quartz clock uses a higher frequency crystal oscillator and a chain of divider circuits to generate a 1 Hz pulse train.”Uhhh count me in the minority then I guess.",
"parent_id": nul... | 1,760,371,475.841654 | ||
https://hackaday.com/2025/07/25/hackaday-podcast-episode-330-hover-turtles-dull-designs-and-knex-computers/ | Hackaday Podcast Episode 330: Hover Turtles, Dull Designs, And K’nex Computers | Al Williams | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | What did you miss on Hackaday last week? Hackaday’s Elliot Williams and Al Williams are ready to catch you up on this week’s podcast. First, though, the guys go off on vibe coding and talk about a daring space repair around Jupiter.
Then it is off to the hacks, including paste extruding egg shells, bespoke multimeters,... | 1 | 1 | [
{
"comment_id": "8154858",
"author": "Dude",
"timestamp": "2025-07-27T16:22:55",
"content": "The whole AI business sounds the same as how dogs only look guilty when their owners know they’ve done something wrong (even when they haven’t).The dog doesn’t even understand the concept. They’re just actin... | 1,760,371,475.643416 | ||
https://hackaday.com/2025/07/23/an-open-source-flow-battery/ | An Open Source Flow Battery | Aaron Beckendorf | [
"Battery Hacks",
"Science"
] | [
"3d printed",
"battery",
"flow battery",
"rechargeable batteries",
"redox flow batteries"
] | The flow battery is one of the more interesting ideas for grid energy storage – after all, how many batteries combine electron current with fluid current? If you’re interested in trying your hand at building one of these, the scientists behind the Flow Battery Research Collective just released the design and build inst... | 30 | 5 | [
{
"comment_id": "8153089",
"author": "Lightislight",
"timestamp": "2025-07-23T10:54:36",
"content": "For people who haven’t done so before, really leak test any 3d prints designed to store liquids. Especially liquids that aren’t water. 3d prints often aren’t water right. There are tricks to make the... | 1,760,371,476.114322 | ||
https://hackaday.com/2025/07/22/nylon-like-tpu-filament-testing-cc3ds-72d-tpu/ | Nylon-Like TPU Filament: Testing CC3D’s 72D TPU | Maya Posch | [
"3d Printer hacks"
] | [
"3d printer filament",
"TPU"
] | Another entry in the world of interesting FDM filaments comes courtesy of CC3D with their 72D TPU filament, with [Dr. Igor Gaspar]
putting it to the test in his recent video
. The use of the Shore hardness D scale rather than the typical A scale is a strong indication that something is different about this TPU. The man... | 8 | 5 | [
{
"comment_id": "8153059",
"author": "Harvie.CZ",
"timestamp": "2025-07-23T08:25:01",
"content": "I was thinking about this… TPU has great layer adhesion, but usual filaments are too soft. So i was really interrested to find out if harder TPUs would provide the same toughness without being flexible ... | 1,760,371,475.779034 | ||
https://hackaday.com/2025/07/22/the-hall-heroult-process-on-a-home-scale/ | The Hall-Héroult Process On A Home Scale | Aaron Beckendorf | [
"chemistry hacks"
] | [
"alumina",
"aluminium",
"electrolysis",
"Hydrochloric acid",
"smelting",
"sodium hydroxide"
] | Although Charles Hall conducted his first successful run of the Hall-Héroult aluminium smelting process in the woodshed behind his house, it has ever since remained mostly out of reach of home chemists. It does involve electrolysis at temperatures above 1000 ℃, and can involve some frighteningly toxic chemicals, but as... | 8 | 4 | [
{
"comment_id": "8153004",
"author": "Anonymous",
"timestamp": "2025-07-23T03:47:25",
"content": "Sweet! Always good to see industrial processes being made more accessible. Still waiting for someone to try the FFC Cambridge process to extract titanium or silicon.",
"parent_id": null,
"depth"... | 1,760,371,475.934349 | ||
https://hackaday.com/2025/07/22/video-tape-hides-video-player/ | Video Tape Hides Video Player | Tyler August | [
"handhelds hacks"
] | [
"mp4",
"VHS",
"video player"
] | While it might not be accurate to say VHS is dead, it’s certainly not a lively format. It continues on in undeath thanks to dedicated collectors and hobbyists, some of whom may be tempted to lynch Reddit user [CommonKingfisher] for
embedding a video player inside a VHS tape.
Miniaturization in action. The video player ... | 16 | 10 | [
{
"comment_id": "8152959",
"author": "Robert",
"timestamp": "2025-07-23T00:43:08",
"content": "So… which item do we buy? Four searches, no joy…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8153049",
"author": "Jan",
"timestamp": "2025-07-23... | 1,760,371,476.170949 | ||
https://hackaday.com/2025/07/22/2025-one-hertz-challenge-a-555-but-not-as-we-know-it/ | 2025 One Hertz Challenge: A 555, But Not As We Know It | Tyler August | [
"contests"
] | [
"555",
"blinky",
"tiny tapeout"
] | We did explicitly ask for projects that use a 555 timer for the One Hertz Challenge, but we weren’t expecting the 555 to
be
the project. Yet, here we are, with [matt venn]’s
Open Source 1Hz Blinky, that blinks a light with a 555 timer… but not one you’d get from Digikey.
Hooking a 555 to blink an LED at one hertz is a ... | 2 | 2 | [
{
"comment_id": "8152897",
"author": "Ostracus",
"timestamp": "2025-07-22T20:13:19",
"content": "It never gets old seeing those designs.https://youtu.be/_Pqfjer8-O4",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8152900",
"author": "Jørgen Kragh Jakobsen",... | 1,760,371,476.206338 | ||
https://hackaday.com/2025/07/22/2025-one-hertz-challenge-pokemon-alarm-clock-tells-you-its-time-to-build-the-very-best/ | 2025 One-Hertz Challenge: Pokémon Alarm Clock Tells You It’s Time To Build The Very Best | Adam Zeloof | [
"clock hacks",
"contests",
"Games"
] | [
"2025 Hackaday One Hertz Challenge",
"art",
"clock",
"ESP32",
"microcontroller",
"pokemon"
] | We’ve all felt the frustration of cheap consumer electronics — especially when they aren’t actually cheap. How many of us have said “Who designed this crap? I could do better with an Arduino!” while resisting the urge to drop that new smart doorbell in the garbage disposal?
It’s an all-too familiar thought, and when it... | 3 | 2 | [
{
"comment_id": "8152870",
"author": "David",
"timestamp": "2025-07-22T18:47:17",
"content": "Is it less power-hungry than the original?If not, does it have a power-save mode that is less power-hungry? I’m thinking a “sleep” mode that wakes up when you throw it to release your Pokémon, I mean, gent... | 1,760,371,476.404032 | ||
https://hackaday.com/2025/07/22/the-epochalypse-y2k-but-38-years-later/ | The Epochalypse: It’s Y2K, But 38 Years Later | Lewin Day | [
"computer hacks",
"Hackaday Columns",
"Slider"
] | [
"2038 problem",
"epoch",
"epoch time",
"timestamp",
"unix",
"unix time",
"year 2038 problem"
] | Picture this: it’s January 19th, 2038, at exactly 03:14:07 UTC. Somewhere in a data center, a Unix system quietly ticks over its internal clock counter one more time. But instead of moving forward to 03:14:08, something strange happens. The system suddenly thinks it’s December 13th, 1901. Chaos ensues.
Welcome to the Y... | 44 | 20 | [
{
"comment_id": "8152830",
"author": "Ostracus",
"timestamp": "2025-07-22T17:41:35",
"content": "Well the trust fund runs out in 2033, so there may be few left to note the passing of a future Y2K.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8152885",
... | 1,760,371,476.682589 | ||
https://hackaday.com/2025/07/23/vibe-coding-goes-wrong-as-ai-wipes-entire-database/ | Vibe Coding Goes Wrong As AI Wipes Entire Database | Lewin Day | [
"Misc Hacks"
] | [
"ai",
"coding",
"machine learning",
"replit",
"vibe coding"
] | Imagine, you’re tapping away at your keyboard, asking an AI to whip up some fresh code for a big project you’re working on. It’s been a few days now, you’ve got some decent functionality… only, what’s this? The AI is telling you it screwed up. It ignored what you said and wiped the database, and now your project is gon... | 91 | 32 | [
{
"comment_id": "8153425",
"author": "Andrew",
"timestamp": "2025-07-24T02:10:54",
"content": "Who could have seen this coming? Inexperienced dev decides to have a go at coding because, seriously, how hard can it be?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,371,477.164286 | ||
https://hackaday.com/2025/07/23/game-dev-on-ibook-g4-with-netbsd/ | Game Dev On IBook G4 With NetBSD | Tyler August | [
"Retrocomputing"
] | [
"ibook",
"netbsd",
"ppc",
"pygame"
] | What can you do with a laptop enough to drink even in the Puritan ex-colonies? 21 years is a long time for computer hardware– but [Chris] is
using his early-2004 iBook G4 for game dev thanks to NetBSD.
Some of you might consider game dev a strong word; obviously he’s not working on AAA titles on the machine he affectio... | 5 | 5 | [
{
"comment_id": "8153477",
"author": "M",
"timestamp": "2025-07-24T03:39:37",
"content": "I mean, yeah. Linux’s “it runs on everything” title is pretty undeserved. It doesn’t even run on early pentiums anymore.There’s a reason I’ve been looking at NetBSD for long-lived arm board support. Just have a... | 1,760,371,476.803985 | ||
https://hackaday.com/2025/07/23/fusing-cheap-ebay-find-into-a-digital-rangefinder/ | Fusing Cheap EBay Find Into A Digital Rangefinder | Adam Zeloof | [
"hardware",
"Reverse Engineering"
] | [
"camera",
"leica",
"photography",
"reangefinder"
] | One of the earliest commercially-successful camera technologies was the rangefinder — a rather mechanically-complex system that allows a photographer to focus by triangulating a subject, often in a dedicated focusing window, and and frame the shot with another window, all without ever actually looking through the lens.... | 1 | 1 | [
{
"comment_id": "8153572",
"author": "Chloe",
"timestamp": "2025-07-24T08:18:32",
"content": "LTM lenses are compatible with M mount Leicas using v. simple adaptors.When Leica created the first M mount camera, they specifically designed the flange distance and rangefinder to allow them to be adapted... | 1,760,371,476.909818 | ||
https://hackaday.com/2025/07/23/2025-one-hertz-challenge-16-bit-tower-blinks-at-one-hertz/ | 2025 One Hertz Challenge: 16-Bit Tower Blinks At One Hertz | Matt Varian | [
"contests"
] | [
"2025 Hackaday One Hertz Challenge",
"diy cpu",
"relay computer",
"relay logic"
] | We’ve seen our share of blinking light projects around here; most are fairly straightforward small projects, but this entry to the 2025 One Hertz Challenge is the polar opposite of that approach. [Peter] sent in this awesome tower of
16bit relay CPU
power blinking a light every second.
There’s a lot to take in on this ... | 3 | 3 | [
{
"comment_id": "8153313",
"author": "ono",
"timestamp": "2025-07-23T19:40:37",
"content": "Winner. Definitely.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8153526",
"author": "Chris",
"timestamp": "2025-07-24T06:30:55",
"content": "I love it. I... | 1,760,371,476.591367 | ||
https://hackaday.com/2025/07/23/embedded-leds-for-soft-robots-made-from-silicone/ | Embedded LEDs For Soft Robots Made From Silicone | John Elliot V | [
"LED Hacks",
"Robots Hacks"
] | [
"embedded LED",
"silicone",
"soft robot",
"stretch sensor"
] | Over on their YouTube channel [Science Buddies]
shows us how to embed LEDs in soft robots
. Soft robots can be made entirely or partially from silicone. In the video you see an example of a claw-like gripper made entirely from silicone. You can also use silicone to make “skin”. The skin can stretch, and the degree of s... | 3 | 3 | [
{
"comment_id": "8154072",
"author": "John Elliot V",
"timestamp": "2025-07-25T07:07:00",
"content": "I am sensing some sarcasm here. Did you have a better idea for a starting series resistor than 1K?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8154075",
... | 1,760,371,476.726049 | ||
https://hackaday.com/2025/07/23/the-death-of-industrial-design-and-the-era-of-dull-electronics/ | The Death Of Industrial Design And The Era Of Dull Electronics | Maya Posch | [
"Cellphone Hacks",
"Featured",
"History",
"Interest",
"Original Art",
"Slider"
] | [
"industrial design",
"product development"
] | It’s often said that what’s inside matters more than one’s looks, but it’s hard to argue that a product’s looks and its physical user experience are what makes it instantly recognizable. When you think of something like a Walkman, an iPod music player, a desktop computer, a car or a TV, the first thing that comes to mi... | 191 | 46 | [
{
"comment_id": "8153187",
"author": "Jock Murphy",
"timestamp": "2025-07-23T14:28:47",
"content": "I completely understand the desire for our artifacts to be beautiful, but when it comes to some of them like my phone, I want them to disappear. I want the aesthetics to be in the “world” that lives ... | 1,760,371,477.669527 | ||
https://hackaday.com/2025/07/23/annealing-in-space-how-nasa-saved-junocam-in-orbit-around-jupiter/ | Annealing In Space: How NASA Saved JunoCam In Orbit Around Jupiter | Maya Posch | [
"Space"
] | [
"Juno",
"Jupiter",
"nasa"
] | The
Juno
spacecraft was launched towards Jupiter in August of 2011 as part of the
New Frontiers
series of spacecraft, on what would originally have been a 7-year mission, including a nearly 5 year cruise to the planet. After a mission extension, it’s currently orbiting Jupiter, allowing for many more years of scientifi... | 16 | 7 | [
{
"comment_id": "8153111",
"author": "Chris",
"timestamp": "2025-07-23T11:57:22",
"content": "Just heard a lovely presentation on this topic last week at NSREC and the statement really undersells what an amazing hack this all was.IIRC JunoCam was technically a “late addition” to the Juno mission and... | 1,760,371,476.865719 | ||
https://hackaday.com/2025/07/22/usb-c-ing-all-the-things/ | USB-C-ing All The Things | Jenny List | [
"Parts"
] | [
"dc power",
"USB C",
"USB-C PD"
] | Wall warts. Plug mounted power supplies that turn mains voltage into low voltage DC on a barrel jack to power a piece of equipment. We’ve all got a load of them for our various devices, most of us to the extent that it becomes annoying. [Mikeselectricstuff] has the solution, in the shape of a USB-C PD power supply desi... | 53 | 14 | [
{
"comment_id": "8152784",
"author": "rasz_pl",
"timestamp": "2025-07-22T16:04:59",
"content": "Megan in M3GAN 2.0 gets one of those boards implanted as a non-lethal inhibitor chip :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8152925",
"author":... | 1,760,371,477.342981 | ||
https://hackaday.com/2025/07/22/power-grid-stability-from-generators-to-reactive-power/ | Power Grid Stability: From Generators To Reactive Power | Maya Posch | [
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"alternating current",
"power grid"
] | It hasn’t been that long since humans figured out how to create power grids that integrated multiple generators and consumers. Ever since AC won the battle of the currents, grid operators have had to deal with the issues that come with using AC instead of the far less complex DC. Instead of simply targeting a constant ... | 41 | 11 | [
{
"comment_id": "8152739",
"author": "Dude",
"timestamp": "2025-07-22T14:22:11",
"content": "If the PF is 0, it’s a purely reactive load and no net current flowsThe power factor can be zero when the load is not consuming any real power i(t) x v(t) = 0 and that doesn’t mean the current has to be zero... | 1,760,371,477.254581 | ||
https://hackaday.com/2025/07/22/paste-extrusion-for-3d-printing-glass-and-eggshells/ | Paste Extrusion For 3D Printing Glass And Eggshells | Aaron Beckendorf | [
"3d Printer hacks"
] | [
"3d printing",
"eggshell",
"glass",
"paste extruder"
] | In contrast to the success of their molten-plastic cousins, paste extrusion 3D printers have never really attained much popularity. This is shame because, as the [Hand and Machine] research group at the University of New Mexico demonstrate, you can use them to print with some really interesting materials, including
gla... | 14 | 6 | [
{
"comment_id": "8152750",
"author": "Eran",
"timestamp": "2025-07-22T14:57:32",
"content": "Seehttp://www.filament2.com– paste 3d printing using regular filaments.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8152763",
"author": "anon",
"timestamp":... | 1,760,371,477.390416 | ||
https://hackaday.com/2025/07/22/floating-buoy-measures-ocean-conditions/ | Floating Buoy Measures Ocean Conditions | Lewin Day | [
"Science"
] | [
"buoy",
"ocean",
"science"
] | Out on Maui, [rabbitcreek] desired to keep track of local ocean conditions. The easiest way to do that was by having something out there in the water to measure them. Thus,
they created a floating ocean sensor that could report back on what’s going on in the water.
The build uses a Xiao ESP32-S3 as the brains of the op... | 11 | 4 | [
{
"comment_id": "8152655",
"author": "Bob the builder",
"timestamp": "2025-07-22T10:08:34",
"content": "Very cool. I’ve done this on a professional level but a bit of a different use case. It’s to measure temperature, co2 and some other measurements for government research. In my case, it’s all powe... | 1,760,371,477.43797 | ||
https://hackaday.com/2025/07/21/coleco-adam-a-commodore-64-competitor-almost/ | Coleco Adam: A Commodore 64 Competitor, Almost | Heidi Ulrich | [
"computer hacks",
"Retrocomputing"
] | [
"c64",
"Coleco",
"coleco adams",
"commodore 64",
"modular",
"z80"
] | For a brief, buzzing moment in 1983,
the Coleco Adam
looked like it might out-64 the Commodore 64. Announced with lots of ambition, this 8-bit marvel promised a complete computing package: a keyboard, digital storage, printer, and all for under $600. An important fact was that it could morph your ColecoVision into a fu... | 65 | 17 | [
{
"comment_id": "8152662",
"author": "Hardly Felspar",
"timestamp": "2025-07-22T10:42:29",
"content": "Neat machine! I miss those days, when everything personal computing was new and innovation – even the stuff that never quite worked – was everywhere.Glorious chaos, indeed.",
"parent_id": null,... | 1,760,371,477.730481 | ||
https://hackaday.com/2025/07/21/testing-your-knowledge-of-javascripts-date-class/ | Testing Your Knowledge Of JavaScript’s Date Class | Maya Posch | [
"Software Development"
] | [
"javascript"
] | JavaScript is everywhere these days, even outside the browser. Everyone knows that this is because JavaScript is the best programming language, which was carefully assembled by computer experts and absolutely not monkeyed together in five days by some bloke at Netscape in the 90s. Nowhere becomes this more apparent tha... | 18 | 9 | [
{
"comment_id": "8152581",
"author": "Gravis",
"timestamp": "2025-07-22T02:36:52",
"content": "Wow, I’m only half way through the quiz and yeah, it’s 100% garbage.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8152617",
"author": "Faz",
"tim... | 1,760,371,477.786878 | ||
https://hackaday.com/2025/07/21/a-lockpicking-robot-that-can-sense-the-pins/ | A Lockpicking Robot That Can Sense The Pins | Maya Posch | [
"lockpicking hacks",
"Robots Hacks"
] | [
"lockpicking",
"robot"
] | Having a robot that can quickly and unsupervised pick any lock with the skills of a professional human lockpicker has been a dream for many years. A major issue with lockpicking robots is however the lack of any sensing of the pins – or equivalent – as the pick works its magic inside. One approach to try and solve this... | 15 | 7 | [
{
"comment_id": "8152616",
"author": "Krzysztof",
"timestamp": "2025-07-22T06:30:01",
"content": "Regardless, the idea of making lockpicking robots more sensitive is a good oneThat’s exactly what we need. Robots getting easier access to locked rooms. Very good idea.",
"parent_id": null,
"dep... | 1,760,371,477.883356 | ||
https://hackaday.com/2025/07/21/2025-one-hertz-challenge-its-hexadecimal-unix-time/ | 2025 One-Hertz Challenge: It’s Hexadecimal Unix Time | Lewin Day | [
"clock hacks"
] | [
"2025 One Hertz Contest",
"clock",
"unix time"
] | [danjovic] came up with a nifty entry for our 2025 One-Hertz Challenge that lands somewhere between the categories of Ridiculous and Clockwork.
It’s a clock that few hackers, if any, could read on sight
—just the way we like them around here!
The clock is called Hexa U.T.C, which might give you an idea why this one is ... | 9 | 6 | [
{
"comment_id": "8152476",
"author": "Paul",
"timestamp": "2025-07-21T21:16:51",
"content": "I have to go finish my Epochalypse clock. Only 12.5 years to go.Or four weeks, I guess, if I want to put it in the contest.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,371,477.831066 | ||
https://hackaday.com/2025/07/21/freezer-monitoring-because-ice-cream-is-a-dish-best-served-cold/ | Freezer Monitoring: Because Ice Cream Is A Dish Best Served Cold | John Elliot V | [
"home hacks"
] | [
"DS18B20",
"grafana",
"prometheus",
"Raspberry Pi Zero 2 W"
] | [Scott Baker] wrote in to let us know about his
freezer monitor
.
After a regrettable incident where the ice cream melted because the freezer failed [Scott] decided that what was called for was a monitoring and alerting system. We enjoyed reading about this hack, and we’ll give you the details in just a tick, but befor... | 23 | 14 | [
{
"comment_id": "8152439",
"author": "Gio",
"timestamp": "2025-07-21T19:33:37",
"content": "Every time I see the piss-colored filter GPT likes so, so much, the subtle inconsistencies in patterns, the clunky text and the smooth-yet-still-blurry outlines everything somehow has in a genAI picture, I im... | 1,760,371,477.948948 | ||
https://hackaday.com/2025/07/21/fixing-human-sleep-with-air-under-pressure/ | Fixing Human Sleep With Air Under Pressure | Lewin Day | [
"Hackaday Columns",
"Medical Hacks",
"Slider"
] | [
"CPAP",
"medical",
"sleep",
"sleep apnea"
] | By and large, the human body is designed to breathe from birth, and keep breathing continuously until death. Indeed, if breathing stops, lifespan trends relatively rapidly towards zero. There’s a whole chunk of the brain and nervous system dedicated towards ensuring oxygen keeps flowing in and carbon dioxide keeps flow... | 68 | 21 | [
{
"comment_id": "8152389",
"author": "DainBramage",
"timestamp": "2025-07-21T17:13:50",
"content": "I’ve been using mine for more than 25 years, and it’s been a great help. Before I was diagnosed with apnea, I was passing out while driving in the middle of the day despite doing everything I could to... | 1,760,371,478.310442 | ||
https://hackaday.com/2025/07/21/dont-turn-that-old-system-on-first-take-it-apart/ | Don’t Turn That Old System On, First Take It Apart | Maya Posch | [
"Retrocomputing"
] | [
"gateway",
"pc",
"power",
"retrocomputing",
"Rifa"
] | When you first get your hands on an old piece of equipment, regardless of whether it’s an old PC or some lab equipment, there is often the temptation to stick a power lead into it and see what the happy electrons make it do. Although often this will work out fine, there are many reasons why this is a terrible idea. As ... | 35 | 11 | [
{
"comment_id": "8152367",
"author": "threeve",
"timestamp": "2025-07-21T16:06:42",
"content": "You know you’re getting older when the power supply of your childhood PC is no longer safe to plug in.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8152374",
... | 1,760,371,478.821329 | ||
https://hackaday.com/2025/07/21/why-apple-dumped-2700-computers-in-a-landfill-in-1989/ | Why Apple Dumped 2,700 Computers In A Landfill In 1989 | Lewin Day | [
"Featured",
"History",
"Original Art",
"Retrocomputing",
"Slider"
] | [
"apple",
"landfill",
"Lisa"
] | In 1983, the Lisa was supposed to be a barnburner. Apple’s brand-new computer had a cutting edge GUI, a mouse, and power far beyond the 8-bit machines that came before. It looked like nothing else on the market, and had a price tag to match—retailing at $9,995, or the equivalent of over $30,000 today.
It held so much p... | 55 | 19 | [
{
"comment_id": "8152325",
"author": "Orzel",
"timestamp": "2025-07-21T14:38:19",
"content": "The link to jhnews is blocked from Europe",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8152328",
"author": "Jan Prägert",
"timestamp": "2025-07-21... | 1,760,371,478.193226 | ||
https://hackaday.com/2025/07/21/bearing-witness-measuring-the-wobbles-in-rotary-build/ | Bearing Witness: Measuring The Wobbles In Rotary Build | Matt Varian | [
"Tool Hacks"
] | [
"3d prining",
"metrology",
"rotary table"
] | 3D printing has simplified the creation of many things, but part of making something is knowing just how much you can rely on it. On the [BubsBuilds] YouTube channel, he built a
cheap rotary table
and then walked through the process of measuring the error inherent in any rotating system.
Starting with a commercial rota... | 5 | 3 | [
{
"comment_id": "8152351",
"author": "paulvdh",
"timestamp": "2025-07-21T15:29:00",
"content": "Did you have any time to breathe during this 9 minute video?And what is happening at around 07:41?You’ve found some kind of systematic error, and without analyzing it’s origin you just subtract it from yo... | 1,760,371,478.096363 | ||
https://hackaday.com/2025/07/21/reverse-engineering-a-tony-6502-based-mini-arcade-machine/ | Reverse Engineering A ‘Tony’ 6502-based Mini Arcade Machine | Maya Posch | [
"Games",
"Reverse Engineering"
] | [
"6502",
"arcade machine",
"reverse engineering"
] | The mainboard of the mini arcade unit with its blob chip and EEPROM. (Credit: Poking Technology, YouTube)
For some reason, people are really into tiny arcade machines that basically require you to ruin your hands and eyes in order to play on them. That said, unlike the fifty gazillion ‘retro consoles’ that you can buy ... | 15 | 3 | [
{
"comment_id": "8152237",
"author": "ono",
"timestamp": "2025-07-21T10:33:54",
"content": "Using the joystick obfuscates 10-20% of the screen ? this begs for a casemod, with a plastic Fresnel lens magnifying the screen (who cares about view angle on such a thing?)",
"parent_id": null,
"dept... | 1,760,371,478.482711 | ||
https://hackaday.com/2025/07/20/project-scribe-receipts-for-life/ | Project Scribe: Receipts For Life | John Elliot V | [
"Peripherals Hacks"
] | [
"arduino",
"thermal printer"
] | Here’s a fun project. Over on their YouTube page [Urban Circles] introduces
Project Scribe
.
The idea behind this project is that you can print out little life “receipts”. Notes, jokes, thoughts, anecdotes, memories. These little paper mementos have a physical reality that goes beyond their informational content. You c... | 16 | 6 | [
{
"comment_id": "8151789",
"author": "Jamal Ginsberg",
"timestamp": "2025-07-20T09:18:41",
"content": "My beef even with safe bisphenol free thermal paper is how short lived it is. I don’t have a single fax that is not faded to 20% readability. The project itself is amazing and not every not is mean... | 1,760,371,478.362206 | ||
https://hackaday.com/2025/07/19/a-spectrophotometer-jailbreak-to-resolve-colorful-disputes/ | A Spectrophotometer Jailbreak To Resolve Colorful Disputes | Aaron Beckendorf | [
"Reverse Engineering"
] | [
"firmware update",
"Pantone",
"Serial Number",
"Spectrophotometer",
"spectrophotometry"
] | The human eye’s color perception is notoriously variable (see, for example, the famous dress), which makes it difficult to standardize colours. This is where spectrophotometers come in: they measure colours reliably and repeatably, and can match them against a library of standard colors. Unfortunately, they tend to be ... | 22 | 5 | [
{
"comment_id": "8151779",
"author": "Eric",
"timestamp": "2025-07-20T07:40:39",
"content": "Until it’s tested to be accurate 100%, I’d be careful about using the altered model. It is possible the cheaper cosmetic model has a defect that prevented it from accurately reading the color and was rejecte... | 1,760,371,478.421627 | ||
https://hackaday.com/2025/07/19/software-defined-retro-roms/ | Software Defined Retro ROMs | John Elliot V | [
"ARM",
"computer hacks",
"hardware",
"Microcontrollers",
"PCB Hacks",
"Retrocomputing",
"Software Hacks"
] | [
"2316 ROM chip",
"2332 ROM chip",
"2364 ROM chip",
"Software Defined ROM"
] | Here’s something fun from our hacker [Piers]:
Software Defined ROMs
.
In this series of three videos, [Piers] runs us through what a software defined ROM is, how to make them, and then how to use them.
As [Piers] explains, one frustration a retro technician will face is a failed ROM chip. In the era he’s interested in,... | 6 | 2 | [
{
"comment_id": "8151737",
"author": "WTF Detector",
"timestamp": "2025-07-20T02:43:51",
"content": "Pretty sure Tyler already got to this one before you did, John:https://hackaday.com/2025/07/05/software-defined-retro-rom-makes-8-bit-easy/",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,478.70027 | ||
https://hackaday.com/2025/07/19/symbos-is-a-funhouse-mirror-look-at-a-future-that-never-was/ | SymbOS Is A Funhouse Mirror Look At A Future That Never Was | Tyler August | [
"Retrocomputing"
] | [
"amstrad cpc",
"msx",
"sinclair spectrum",
"z80"
] | The Z80 might be decades obsolete and a few years out of production, but it’s absolutely a case of “gone but not forgotten” in the hacker world. Case in point is
SymbOS, a multitasking OS for Z80 machines
by Amstrad, Sinclair, and the MSX2 family of computers that updated to version 4.0 earlier this year.
The best way ... | 66 | 11 | [
{
"comment_id": "8151718",
"author": "JRD",
"timestamp": "2025-07-20T01:06:07",
"content": "SymbOS looks neat, but is clearly requires for big “Super-Z80” systems with fancy color graphics. It requires a minimum of 128K banked RAM and would really like 356K, plus lots of drive space. (Kind of like t... | 1,760,371,478.657172 | ||
https://hackaday.com/2025/07/19/picogus-adds-cd-rom-emulation-to-isa-bus/ | PicoGUS Adds CD-ROM Emulation To ISA Bus | Tyler August | [
"Retrocomputing"
] | [
"CD-ROM",
"disk emulator",
"isa bus",
"rp2040"
] | Everything fails eventually, but moving parts fail fastest of all– and optical drives seemingly more than others, at least in our experience. Even when they work, vintage drives often have trouble with CD-R, and original media isn’t always easy to find. That’s why it’s so wonderful that [polpo]’s
RP2040 ISA card, the P... | 29 | 4 | [
{
"comment_id": "8151645",
"author": "Cogidubnus Rex",
"timestamp": "2025-07-19T20:17:46",
"content": "There never was an ISA standard for CD-ROM drives, perhaps you mean IDE?Greetings from one that does remember the Sound Blasters with proprietary CD-ROM interfaces.",
"parent_id": null,
"de... | 1,760,371,478.553347 | ||
https://hackaday.com/2025/07/19/punch-card-controlled-cyberdeck-lives-in-80s-toy/ | Punch Card Controlled Cyberdeck Lives In 80s Toy | Tyler August | [
"Cyberdecks"
] | [
"cyberdeck",
"morse code",
"Pi Zero W",
"punch card",
"VTech"
] | Have you ever seen a toy and said “That wants to be a deck”? [Attoparsec] did, when his eyes fell upon the Little Talking Scholar, a punch card driven toy from the 1980s.
It’s now a punch card driven cyberdeck.
The punch card interface on the toy is only six bits, but sixty-four application cards are probably more than... | 11 | 4 | [
{
"comment_id": "8151683",
"author": "Gus Mueller",
"timestamp": "2025-07-19T23:07:20",
"content": "Angry toddler indeed! For I2C port expansion, I love to use Arduino minis, micros, and what not flashed with my I2C slave firmware, which allows me to add both analog inputs and outputs as well as GP... | 1,760,371,478.747785 | ||
https://hackaday.com/2025/07/19/elegoo-rapid-petg-vs-petg-pro-same-price-similar-specs-which-to-buy/ | Elegoo Rapid PETG Vs PETG Pro: Same Price, Similar Specs, Which To Buy? | Maya Posch | [
"3d Printer hacks"
] | [
"3d printer filament",
"polylactic acid"
] | Even within a single type of FDM filament there is an overwhelming amount of choice. Take for example Elegoo’s PETG filament offerings, which include such varieties like ‘Pro’ and ‘Rapid’. Both cost the same, but is there a reason to prefer one over the other, perhaps even just for specific applications? To test this, ... | 16 | 6 | [
{
"comment_id": "8151575",
"author": "Ric",
"timestamp": "2025-07-19T16:04:57",
"content": "Just started my second spool of Elegoo Rapid PETG (transparent) and is a very good PETG obviously if you want the “glass” effect you can forget the Rapid part of the name. But both at low speed and high I can... | 1,760,371,479.126562 | ||
https://hackaday.com/2025/07/20/researching-glow-powder-left-a-few-scars/ | Researching Glow-Powder Left A Few Scars | Brian McEvoy | [
"chemistry hacks",
"LED Hacks"
] | [
"biocompatible",
"biosafe",
"body mod",
"body modification",
"fluorescence",
"glow",
"glow in the dark",
"glow powder",
"light",
"scarification",
"tattoo"
] | Content warning
: Human alteration and scalpels.
General warning
: We are not speaking as doctors. Or lawyers.
If you watch sci-fi, you probably do not have to think hard to conjure a scene in a trendy bar where the patrons have glowing make-up or tattoos. That bit of futuristic flair was possible years ago with UV-rea... | 34 | 10 | [
{
"comment_id": "8152173",
"author": "macsimki",
"timestamp": "2025-07-21T06:41:43",
"content": "ah. I feel 8 again with all those warnings. I’ve missed it. maybe start every blog post with these things. you never know and don’t forget, in the USA, sueing is like breathing…But to get on topic again,... | 1,760,371,478.976323 | ||
https://hackaday.com/2025/07/20/remembering-chiptunes-the-demoscene-and-the-illegal-music-of-keygens/ | Remembering Chiptunes, The Demoscene And The Illegal Music Of Keygens | Tyler August | [
"Musical Hacks"
] | [
"chiptunes",
"computer history",
"demoscene",
"keygen"
] | We loved keygens back in the day. Our lawyers advise us to clarify that it’s because of the demo-scene style music embedded in them, not because we used them for piracy. [Patch] must feel the same way, as he has a lovely historical retrospective out on
“The Internet’s Most Illegal Music”
(embedded below).
After definin... | 39 | 18 | [
{
"comment_id": "8152088",
"author": "WTF Detector",
"timestamp": "2025-07-21T02:35:30",
"content": "For more info on the demoscene itself, “Moleman 2: The Art of the Algorithms”, from 2012, is a feature-length documentary that’s available for free on YouTube, and it goes into more detail about the ... | 1,760,371,479.249528 | ||
https://hackaday.com/2025/07/20/hackaday-links-july-20-2025/ | Hackaday Links: July 20, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"android",
"asteroid",
"coding",
"dart",
"exoplanet",
"gamification",
"hackaday links",
"jwst",
"MIRI",
"morse",
"planetary defense",
"TWA 7b",
"webb"
] | In the relatively short time that the James Webb Space Telescope has been operational, there’s seemingly no end to its list of accomplishments. And if you’re like us, you were sure that Webb had already achieved the first direct imaging of a planet orbiting a star other than our own a long time ago. But as it turns out... | 10 | 6 | [
{
"comment_id": "8152033",
"author": "John Paul",
"timestamp": "2025-07-21T00:00:12",
"content": "Cooool.Now we just need to mod Sega’s Typing of the Dead into Morse Code of the Dead.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8152040",
"author": "Davi... | 1,760,371,479.170697 | ||
https://hackaday.com/2025/07/20/designing-an-open-source-multimeter-the-hydrameter/ | Designing An Open Source Multimeter: The HydraMeter | John Elliot V | [
"Microcontrollers",
"Tool Hacks"
] | [
"Ammeter",
"digital multimeter",
"HydraMeter",
"ohmmeter",
"voltmeter"
] | Our hacker [John Duffy] wrote in to let us know about a video he put together to
explain the design of his open-source multimeter, the HydraMeter
.
If you’re interested in how the circuitry for a voltmeter, ohmmeter, or ammeter might work, this video is a masterclass. In this long and detailed video, [John] walks us th... | 23 | 5 | [
{
"comment_id": "8151997",
"author": "Tom G",
"timestamp": "2025-07-20T21:38:58",
"content": "I’m not going to spend 1h40m trying fo find whether or not the design covers one important aspect of multimeter design: protection against gross overloads. TAoE and X-Chapters covers the HP34401A protection... | 1,760,371,479.37076 | ||
https://hackaday.com/2025/07/20/when-a-record-player-doesnt-work-due-to-solid-state-grease/ | When A Record Player Doesn’t Work Due To Solid State Grease | Maya Posch | [
"Repair Hacks"
] | [
"grease",
"phonograph",
"record player"
] | Normally, mechanical devices like record players move smoothly, with well-greased contact surfaces enabling the tone arm to automatically move, the multi-record mechanism to drop down a fresh disc, and the listener to have a generally good time. Unfortunately, the 1972-era ITT KP821 record player that [Mark] got recent... | 24 | 8 | [
{
"comment_id": "8151943",
"author": "Jan",
"timestamp": "2025-07-20T17:28:02",
"content": "Good to see this kind of problem getting attention. These kind of grease related problems are nothing new but are easily overlooked if you are not aware of it. And it happens in all sorts of mechanical device... | 1,760,371,479.309543 | ||
https://hackaday.com/2025/07/20/8-bit-mechanical-computer-built-from-knex/ | 8 Bit Mechanical Computer Built From Knex | Bryan Cockfield | [
"computer hacks"
] | [
"ALU",
"calculator",
"computer",
"knex",
"math",
"mechanical",
"mechanical computer"
] | Long before electricity was a common household utility, humanity had been building machines to do many tasks that we’d now just strap a motor or set of batteries onto and think nothing of it. Transportation, manufacturing, agriculture, and essentially everything had non-electric analogs, and perhaps surprisingly, there... | 24 | 14 | [
{
"comment_id": "8151893",
"author": "Joshua",
"timestamp": "2025-07-20T14:07:08",
"content": "About the first paragraph: Strictly speaking, the electric car was first.But the petrol based car won, because electric batteries were still in early development.https://en.wikipedia.org/wiki/History_of_th... | 1,760,371,479.432145 | ||
https://hackaday.com/2025/07/20/engine-data-displayed-live-on-dash/ | Engine Data Displayed Live On Dash | Lewin Day | [
"car hacks"
] | [
"dash",
"dashboard",
"digital dash",
"digital dashboard",
"raspberry pi",
"Suzuki"
] | In the auto world, there are lots of overarching standards that all automakers comply with. There are also lots of proprietary technologies that each automaker creates and uses for its own benefit. [Shehriyar Qureshi] has recently been diving into Suzuki’s Serial Data Line standard,
and has created a digital dash using... | 12 | 3 | [
{
"comment_id": "8151935",
"author": "paulvdh",
"timestamp": "2025-07-20T16:32:32",
"content": "So you’re driving in the dark, looking at a display that is so bright that the camera has to do significant exposure time reduction to show the image. What a wonder full Idea. (But it does like the person... | 1,760,371,479.482855 | ||
https://hackaday.com/2025/07/19/neon-lamp-detects-lightning-strikes/ | Neon Lamp Detects Lightning Strikes | Bryan Cockfield | [
"Radio Hacks"
] | [
"antenna",
"charged clouds",
"led",
"lightning",
"lightning detector",
"neon lamp",
"radio"
] | For as mysterious, fascinating, and beautiful as lightning is at a distance, it’s not exactly a peaceful phenomenon up close. Not many things are built to withstand millions of volts and tens to hundreds of thousands of amps. Unsurprisingly, there’s a huge amount of effort put into lightning protection systems for equi... | 16 | 7 | [
{
"comment_id": "8151549",
"author": "Unochepassa",
"timestamp": "2025-07-19T12:12:36",
"content": "Very nice project! I wonder how to make it just like a charged cloud detector without increasing the danger of lightning.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,371,479.536035 | ||
https://hackaday.com/2025/07/19/garageminder-automatic-garage-door/ | GarageMinder: Automatic Garage Door | John Elliot V | [
"car hacks",
"home hacks"
] | [
"ble",
"bluetooth low energy",
"garage door"
] | After getting a new car, [Solo Pilot] missed the automatic garage door opening and closing system their old car had. So they set about building their own, called
GarageMinder
. On the project page you will find a bill of materials, schematics, and some notes about the approach taken in various versions of the software.... | 12 | 8 | [
{
"comment_id": "8151505",
"author": "tiopepe123",
"timestamp": "2025-07-19T08:25:26",
"content": "A very old resistor and capacitors 1970?¿",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8151509",
"author": "Julianne",
"timestamp": "2025-07-... | 1,760,371,479.60331 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.