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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2025/08/30/fpga-brings-unix-v1-to-the-dec-j-11/ | FPGA Brings UNIX V1 To The DEC J-11 | Bryan Cockfield | [
"FPGA"
] | [
"dec j-11",
"fpga",
"pdp-11",
"retrocomputing",
"tang nano 20k",
"tape",
"unix"
] | If you’ve never used a PDP-11 before it’s probably because you simply weren’t around in the 70s and 80s. Although they started as expensive machines only in research labs and industry, they eventually became much more accessible. They’re a bit of a landmark in computing history, too, being largely responsible for the d... | 13 | 6 | [
{
"comment_id": "8171974",
"author": "BrendaEM",
"timestamp": "2025-08-30T14:33:20",
"content": "Neat project. The white PCB is a nice touch. Perhaps the CPU is ceramic?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8171981",
"author": "David Kuder"... | 1,760,371,438.855302 | ||
https://hackaday.com/2025/08/30/measuring-nanoparticles-by-scattering-a-laser/ | Measuring Nanoparticles By Scattering A Laser | Aaron Beckendorf | [
"Science"
] | [
"dynamic light scattering",
"laser diode",
"nanoparticles",
"photodiode",
"transimpedance amplifier"
] | A fundamental difficulty of working with nanoparticles is that your objects of study are too small for an optical microscope to resolve, and thus measuring their size can be quite a challenge. Of course, if you have a scanning electron microscope, measuring particle size is straightforward. But for less well-equipped l... | 6 | 3 | [
{
"comment_id": "8171907",
"author": "mm",
"timestamp": "2025-08-30T08:43:00",
"content": "… by scattering a LASER?by scattering a laser BEAM!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8171937",
"author": "Mamx",
"timestamp": "2025-08-30... | 1,760,371,438.659578 | ||
https://hackaday.com/2025/08/29/nfc-hidden-in-floppy-disk-for-retro-themed-pc/ | NFC Hidden In Floppy Disk For Retro-Themed PC | Bryan Cockfield | [
"computer hacks"
] | [
"arduino",
"case",
"computer",
"floppy disk",
"NFC",
"retro",
"style"
] | As we all look across a sea of lifeless, nearly identically-styled consumer goods, a few of us have become nostalgic for a time when products like stereo equipment, phones, appliances, homes, cars, and furniture didn’t all look indistinguishable. Computers suffered a similar fate, with nearly everything designed to be ... | 13 | 4 | [
{
"comment_id": "8171920",
"author": "Mamx",
"timestamp": "2025-08-30T09:45:07",
"content": "It would be nice it the authors here would at least read or watch their source material before generating an article. The tags don’t send any command. They just contain an ID that is read by the chip reader ... | 1,760,371,439.011692 | ||
https://hackaday.com/2025/08/29/feathers-are-fantastic-but-flummoxing-for-engineers/ | Feathers Are Fantastic, But Flummoxing For Engineers | Navarre Bartz | [
"Science"
] | [
"bimimicry",
"biomimetic",
"birds",
"dinosaurs",
"feathers"
] | Birds are pretty amazing creatures, and one of the most amazing things about them and their non-avian predecessors are feathers. Engineers and scientists are
finding inspiration from them in surprising ways
.
The light weight and high strength of feathers has inspired those who look to soar the skies, dating back at le... | 7 | 4 | [
{
"comment_id": "8171863",
"author": "echodelta",
"timestamp": "2025-08-30T05:18:58",
"content": "Feathers are 3D printed a layer at a time as they rise out of the capsule.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8172319",
"author": "Ostracus"... | 1,760,371,438.698062 | ||
https://hackaday.com/2025/08/29/the-confusing-world-of-wood-preservation-treatments/ | The Confusing World Of Wood Preservation Treatments | Maya Posch | [
"green hacks"
] | [
"wood",
"wood treatments"
] | Wood is an amazing material to use around the house, both for its green credentials and the way it looks and feels. That said, as a natural product there are a lot of microorganisms and insects around that would love to take a few good nibbles out of said wood, no matter whether it’s used for fencing, garden furniture ... | 19 | 13 | [
{
"comment_id": "8171794",
"author": "Old wood treatment",
"timestamp": "2025-08-29T23:52:58",
"content": "1 part boiled linseed oil1 part pure boiled pine tar1 part turpentineMix until it’s homogenized, mix before use, keep in an air tight container.Keep applying to wood until the wood can’t soak i... | 1,760,371,438.758954 | ||
https://hackaday.com/2025/08/29/the-rf-sniff-test/ | The (RF) Sniff Test | Al Williams | [
"Radio Hacks",
"Tool Hacks"
] | [
"oscilloscope",
"rf noise",
"RFI"
] | Sometimes the old tricks are the best. [Kevin] learned an old trick about using a ‘scope to
sniff RF noise
and pays it forward by sharing it in a recent video. He uses an oscilloscope. But does he need some special probe setup? Nope. He quickly makes a little RF pickup probe, and if you have a ‘scope, we’re pretty sure... | 12 | 8 | [
{
"comment_id": "8171731",
"author": "Ray",
"timestamp": "2025-08-29T21:04:10",
"content": "In the early 1970’s, my computer repair toolkit included a small 6-transistor radio. Held near the backplane of the refrigerator sized computer, I could pinpoint bad cards as the machine was powered-on … dif... | 1,760,371,439.060863 | ||
https://hackaday.com/2025/08/31/watch-bondo-putty-get-sprayed-onto-3d-prints/ | Watch Bondo Putty Get Sprayed Onto 3D Prints | Donald Papp | [
"3d Printer hacks",
"Tool Hacks"
] | [
"3d printed",
"acetone",
"airbrush",
"bondo",
"sanding",
"smoothing"
] | 3D prints destined for presentation need smooth surfaces, and that usually means sanding. [Uncle Jessy] came across an idea he decided to try out for himself:
spraying Bondo spot putty onto a 3D print
. Bondo spot putty comes from a tube, cures quickly, and sands smoothly. It’s commonly used to hide defects and give 3D... | 18 | 6 | [
{
"comment_id": "8172281",
"author": "Actually...",
"timestamp": "2025-08-31T11:18:23",
"content": "I like Speedokote High Build Primer, but there are a ton of automotive filler primers that you could go with. if you dont want to mess around with blending your own.",
"parent_id": null,
"dept... | 1,760,371,438.965734 | ||
https://hackaday.com/2025/08/31/this-soviet-style-clock-uses-homemade-nixie-tubes-and-glowing-logic/ | This Soviet-Style Clock Uses Homemade Nixie Tubes And Glowing Logic | Tyler August | [
"clock hacks"
] | [
"MTX-90",
"nixie clock",
"retro nixie clock",
"thyratron"
] | The Neon glow of a Nixie tube makes for an attractive clock, but that’s not enough neon for some people. [Changliang Li] is apparently one of those people, because he’s using soviet-era cold-cathode tubes as the logic for his
“Soviet-Era Style Clock”
Aside from the nixies for display, the key component you see working ... | 11 | 5 | [
{
"comment_id": "8172257",
"author": "Per Jensen",
"timestamp": "2025-08-31T09:50:26",
"content": "The individual numerals are not cut on a fiber laser. They are chemically etched. It’s just the backing plate that is laser engraved. Also that smoke detector source is not Radium-241 as said in the vi... | 1,760,371,438.905571 | ||
https://hackaday.com/2025/08/30/the-latest-projects-from-cornells-ece-4760-5730/ | The Latest Projects From Cornell’s ECE 4760/5730 | John Elliot V | [
"Microcontrollers"
] | [
"Cornell University",
"Digital Systems",
"ECE 4760/5730",
"microcontrollers"
] | ECE 4760/5730 is the
Digital Systems Design Using Microcontrollers
course at Cornell University taught by [Hunter Adams].
The list of projects for spring this year
includes forty write-ups — if you haven’t got time to read the whole lot you can pick a random project between 1 and 40 with:
shuf -i 1-40 -n 1
and let the ... | 13 | 5 | [
{
"comment_id": "8172267",
"author": "vazhnov",
"timestamp": "2025-08-31T10:18:42",
"content": "It would be nice if they switch to a RISC-V cores of the RP2350 (Pico 2).",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8172303",
"author": "ukezi",
... | 1,760,371,438.809868 | ||
https://hackaday.com/2025/08/30/the-queramin-is-a-qwerty-theremin-with-a-c-64-heart/ | The Qweremin Is A QWERTY Theremin With A C-64 Heart | Tyler August | [
"Musical Hacks",
"Retrocomputing"
] | [
"c64",
"commodore",
"theremin"
] | While we have nothing against other 1980s 8-bit machines, the Commodore 64 has always been something special. A case in point: another new instrument using the C-64 and its beloved SID chip. Not just new to retrocomputing, either, but new entirely. [Linus Åkesson] has
invented the QWERTY Theremin, and there’s a Commodo... | 5 | 3 | [
{
"comment_id": "8172230",
"author": "Updatebjarni",
"timestamp": "2025-08-31T07:53:14",
"content": "The title of the post has “Qweremin” doubly misspelled.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8172313",
"author": "Tyler August",
"t... | 1,760,371,439.114813 | ||
https://hackaday.com/2025/08/30/does-it-make-sense-to-upgrade-a-prusa-mk4s-to-a-core-one/ | Does It Make Sense To Upgrade A Prusa MK4S To A Core One? | Maya Posch | [
"3d Printer hacks"
] | [
"FDM 3D printing",
"Prusa Core ONE"
] | One of the interesting things about Prusa’s FDM 3D printers is the availability of official upgrade kits, which allow you to combine bits off an older machine with those of the target machine to ideally save some money and not have an old machine gathering dust after the upgrade. While for a bedslinger-to-bedslinger up... | 7 | 4 | [
{
"comment_id": "8172138",
"author": "mvadu",
"timestamp": "2025-08-31T00:34:37",
"content": "I went through this upgrade (mk4 to core one). For me it was being able to print ASA. I already had an DIY enclosure, but with ASA printing with 110C bed entire enclosure became an oven and I was getting pr... | 1,760,371,439.162705 | ||
https://hackaday.com/2025/08/30/silent-no-more-open-source-fix-for-mic-mishaps/ | Silent No More: Open-Source Fix For Mic Mishaps | Matt Varian | [
"Peripherals Hacks"
] | [
"encoder",
"hid device",
"pic32mm",
"video conferencing"
] | “Sorry, my mic was muted…” With the rise of video calls, we’ve all found ourselves rushing to mute or unmute our mics in the midst of a call. This
open-source Mute Button
, sent in by [blackdevice], aims to take out the uncertainty and make toggling your mic easy.
It’s centered around a small PIC32MM microcontroller th... | 12 | 7 | [
{
"comment_id": "8172098",
"author": "shinsukke",
"timestamp": "2025-08-30T22:00:58",
"content": "Kinda over engineered but still cool",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8172099",
"author": "Mamx",
"timestamp": "2025-08-30T22:01:57",
"c... | 1,760,371,439.209061 | ||
https://hackaday.com/2025/08/30/building-a-shifting-ratchet-wrench/ | Building A Shifting Ratchet Wrench | Aaron Beckendorf | [
"Tool Hacks"
] | [
"adjustable wrench",
"ratchet",
"ratcheting",
"toolmaking",
"wrench"
] | Convenient though they may be, [Trevor Faber] found some serious shortcomings in shifting spanners: their worm gears are slow to adjust and prone to jamming, they don’t apply even force to all faces of a bolt head, and without a ratchet, they’re rather slow. To overcome these limitations, he designed his own
adjustable... | 13 | 7 | [
{
"comment_id": "8172058",
"author": "SayWhat?",
"timestamp": "2025-08-30T19:43:40",
"content": "The high part count of precise components with tight tolerances and costly machining will make this very expensive if ever produced commercialy. That being said, I applaud the cleaver design, skill, a... | 1,760,371,439.339584 | ||
https://hackaday.com/2025/08/29/the-advanced-project-gemini-concepts-that-could-have-been/ | The Advanced Project Gemini Concepts That Could Have Been | Maya Posch | [
"Space"
] | [
"apollo",
"gemini",
"nasa"
] | Looking back on the trajectory leading to Project Apollo and the resulting Moon missions, one can be forgiven for thinking that this was a strict and well-defined plan that was being executed, especially considering the absolute time crunch. The reality is that much of this trajectory was in flux, with the earlier Proj... | 7 | 5 | [
{
"comment_id": "8171695",
"author": "M_B",
"timestamp": "2025-08-29T19:47:30",
"content": "Huh. Someone else watching KSA’s development and was wondering about the Gemini capsules that they’ve been showing pics of?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,371,439.252407 | ||
https://hackaday.com/2025/08/29/hackaday-podcast-episode-335-beer-toast-and-pi/ | Hackaday Podcast Episode 335: Beer, Toast, And Pi | Al Williams | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | What happens when you listen in on Elliot Williams and Al Williams? You get a round up of the best of last week’s Hackaday posts, of course. The topics this week range from beer brewing to lightning protection, with a little bit of everything in between.
This week, many problems find solutions. Power drill battery dead... | 3 | 2 | [
{
"comment_id": "8171762",
"author": "Davip",
"timestamp": "2025-08-29T22:24:10",
"content": "Hey I’m still waiting for my What’s That Sound t shirt from 11 months ago. Any progress?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8173954",
"author": ... | 1,760,371,439.469159 | ||
https://hackaday.com/2025/08/29/breakout-boards-for-the-blind/ | Breakout Boards For The Blind | Ian Bos | [
"Tool Hacks"
] | [
"accessibility",
"blind",
"braille",
"breakout board",
"proto",
"visual impairment"
] | Connecting an LED to a battery seems trivial. If you have any knowledge of using breadboards, knowing that red goes with red, and that black goes with black, it’s as easy as tying your shoes. Except there’s one problem: what if you can’t see the difference between red and black? [Tara] had a student who struggled with ... | 4 | 3 | [
{
"comment_id": "8171570",
"author": "Cheese Whiz",
"timestamp": "2025-08-29T15:40:46",
"content": "This is really cool! I like the variety of cable types for the banana cables for tactile feedback. I wonder about ease of use for things like passive components, like how does a blind person read a r... | 1,760,371,439.293724 | ||
https://hackaday.com/2025/08/29/this-week-in-security-def-con-nonsense-vibepwned-and-0-days/ | This Week In Security: DEF CON Nonsense, Vibepwned, And 0-days | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks"
] | [
"catgirls",
"disputed research",
"Phrack",
"This Week in Security"
] | DEF CON happened just a few weeks ago, and it’s time to cover some of the interesting talks. This year there were two talks in particular that are notable for being controversial. Coincidentally both of these were from Track 3. The first was the
Passkeys Pwned
, a talk by SquareX about how the passkey process can be hi... | 5 | 2 | [
{
"comment_id": "8171900",
"author": "Tom",
"timestamp": "2025-08-30T08:13:28",
"content": "“But everyone and their dog said viruses don’t run on linux ”I have never heard that. Maybe you are misinformed??Or maybe, a M$ shill ??",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,371,439.383098 | ||
https://hackaday.com/2025/08/29/no-die-no-problem-realdice-org-has-you-covered/ | No Die? No Problem: RealDice.org Has You Covered | Tyler August | [
"Games"
] | [
"dice roller",
"dice spinner",
"DnD",
"random"
] | Have you ever been out and about and needed to make a check against INT, WIS or CON but not had a die handy? Sure, you could use an app on your phone, but who knows what pseudorandom nonsense that’s getting up to. [Lazy Hovercraft] has got the solution with his
new site RealDice.org, which, well, rolls real dice.
Well,... | 14 | 8 | [
{
"comment_id": "8171426",
"author": "lol",
"timestamp": "2025-08-29T11:57:46",
"content": "Wait, I don’t need to pay an OnlyFans model to do this for me any more!?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8171428",
"author": "shinsukke",
... | 1,760,371,439.42695 | ||
https://hackaday.com/2025/08/29/cad-from-scratch-makercad/ | CAD, From Scratch: MakerCAD | Jenny List | [
"Software Development"
] | [
"cad",
"MakerCAD"
] | It’s likely that many of you use some form of CAD package, but how many of you have decided you didn’t like the software on offer? [Marcus Wu] did, and instead of griping,
he wrote his own CAD software
. It’s called MakerCAD, it’s published under an MIT licence, and you can try it yourself.
It’s written in Go, and it’s... | 29 | 8 | [
{
"comment_id": "8171310",
"author": "Grawp",
"timestamp": "2025-08-29T08:25:19",
"content": "Nice to see some normal design goals. Still insufficient for me and OpenCASCADE is a road to hell :)That’s why I’m working on my own code CAD based on SymPy and Manifold3D.Pros:– You can have free variables... | 1,760,371,439.612248 | ||
https://hackaday.com/2025/08/28/why-super-mario-64-wastes-so-much-memory/ | WhySuper Mario 64Wastes So Much Memory | Maya Posch | [
"Games",
"Reverse Engineering"
] | [
"code optimization",
"nintendo 64",
"super mario 64"
] | The Nintendo 64 was an amazing video game console, and alongside consoles like the Sony PlayStation, helped herald in the era of 3D games. That said, it was new hardware, with new development tools, and thus creating those early N64 games was a daunting task. In an
in-depth review of
Super Mario 64’s
code
, [Kaze Emanu... | 44 | 6 | [
{
"comment_id": "8171229",
"author": "WTF Detector",
"timestamp": "2025-08-29T05:17:16",
"content": "So, when is [Kaze] going to release his 60fps Mario 64 patch? Dude’s been teasing it for the past couple of years at this point. His initial video that went viral used a bunch of emulator footage bec... | 1,760,371,439.702282 | ||
https://hackaday.com/2025/08/28/tefifon-germanys-tape-shaped-record-format/ | Tefifon: Germany’s Tape-Shaped Record Format | Maya Posch | [
"History"
] | [
"Tefifon",
"vinyl records"
] | A Tefifon cartridge installed for playback. (Credit: Our Own Devices, YouTube)
Recently the [Our Own Devices] YouTube channel
took a gander
at the Tefifon audio format. This was an audio format that competed with shellac and vinyl records from the 1930s to the 1960s, when the company behind it went under. Some people m... | 15 | 6 | [
{
"comment_id": "8171216",
"author": ".",
"timestamp": "2025-08-29T04:15:54",
"content": "How on earth did they mould the tape?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8171232",
"author": "Jan",
"timestamp": "2025-08-29T05:38:10",
... | 1,760,371,439.754472 | ||
https://hackaday.com/2025/08/28/linear-actuators-101/ | Linear Actuators 101 | Navarre Bartz | [
"hardware",
"Misc Hacks"
] | [
"electric actuator",
"hydraulic",
"hydraulic actuator",
"linear actuator",
"pneumatic",
"pneumatic actuator"
] | Linear actuators are a great help when you’re moving something along a single axis, but with so many options, how do you decide? [Jeremy Fielding] walks us through some of the high level
tradeoffs of using one type of actuator over another
.
There are three main types of linear actuator available to the maker: hydrauli... | 16 | 5 | [
{
"comment_id": "8171076",
"author": "Actually...",
"timestamp": "2025-08-28T23:12:06",
"content": "“Unsurprisingly, the electric actuator is quieter and more precise than its fluid-driven counterparts.”High end systems with Hydraulic cylinders can be engineered for high precision, achieving positio... | 1,760,371,439.807957 | ||
https://hackaday.com/2025/08/28/animatronic-eyes-are-watching-you/ | Animatronic Eyes Are Watching You | Tyler August | [
"Robots Hacks"
] | [
"3d printed",
"animatronic",
"face tracking",
"MediaPipeipe"
] | If you haven’t been following [Will Cogley]’s animatronic adventures on YouTube, you’re missing out. He’s got a good thing going, and the latest step is
an adorable robot that tracks you with its own eyes.
Yes, the cameras are embedded inside the animatronic eyes.That was a lot easier than expected; rather than the red... | 9 | 6 | [
{
"comment_id": "8171051",
"author": "Mr Name Required",
"timestamp": "2025-08-28T22:02:55",
"content": "In a world awash with CCTV / webcams and facial recognition a robot that tracks you with its own eyes is to me anything but adorable and just borders on creepy. But, different strokes for differe... | 1,760,371,440.241955 | ||
https://hackaday.com/2025/08/28/pvdf-the-specialized-filament-for-chemical-and-moisture-resistance/ | PVDF: The Specialized Filament For Chemical And Moisture Resistance | Maya Posch | [
"3d Printer hacks"
] | [
"3d printer filament",
"FDM 3D printing"
] | There’s a dizzying number of specialist 3D printing materials out there, some of which do try to offer an alternative to PLA, PA6, ABS, etc., while others are happy to stay in their own niche. Polyvinylidene fluoride (PVDF) is one of these materials, with the [My Tech Fun] YouTube channel
recently getting sent a spool ... | 18 | 7 | [
{
"comment_id": "8170783",
"author": "CJay",
"timestamp": "2025-08-28T15:33:25",
"content": "Could you use it to 3D print a beehive that doesn’t leech turpentine into honey?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8170791",
"author": "Mamx",
... | 1,760,371,439.868824 | ||
https://hackaday.com/2025/08/28/the-browser-wasnt-enough-google-wants-to-control-all-your-software/ | The Browser Wasn’t Enough, Google Wants To Control All Your Software | Tom Nardi | [
"Android Hacks",
"Current Events",
"Featured",
"Slider"
] | [
"android",
"google",
"security",
"sideload",
"software",
"supply chain attack",
"walled garden"
] | A few days ago we brought you word that
Google was looking to crack down on “sideloaded” Android applications.
That is, software packages installed from outside of the mobile operating system’s official repository. Unsurprisingly, a number of readers were outraged at the proposed changes. Android’s open nature, at leas... | 170 | 44 | [
{
"comment_id": "8170765",
"author": "Malcovich",
"timestamp": "2025-08-28T14:31:57",
"content": "Consumer hostile corporations deserve hostile consumers.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8170812",
"author": "Dude",
"timestamp":... | 1,760,371,440.130955 | ||
https://hackaday.com/2025/08/28/receiving-radio-signals-from-space-like-its-1994/ | Receiving Radio Signals From Space Like It’s 1994 | Bryan Cockfield | [
"Radio Hacks"
] | [
"1994",
"90's",
"apt",
"fm",
"noaa",
"radio",
"satellite",
"weather",
"wire wrap"
] | For certain situations, older hardware is preferred or even needed to accomplish a task. This is common in industrial applications where old machinery might not be supported by modern hardware or software. Even in these situations though, we have the benefit of modern technology and the Internet to get these systems up... | 18 | 11 | [
{
"comment_id": "8170709",
"author": "Panondorf",
"timestamp": "2025-08-28T12:52:28",
"content": "I wanted to build this so bad as a kid…https://www.worldradiohistory.com/Archive-Poptronics/90s/90/PE-1990-11.pdf",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,371,439.930391 | ||
https://hackaday.com/2025/08/28/the-data-plot-thickens/ | The (Data) Plot Thickens | Al Williams | [
"Software Hacks"
] | [
"data analysis",
"data visualization",
"Jupyter Notebook",
"LabPlot"
] | You’ve generated a ton of data. How do you analyze it and present it? Sure, you can use a spreadsheet. Or break out some programming tools.
Or try LabPlot
. Sure, it is sort of like a spreadsheet. But it does more. It has object management features, worksheets like a Juypter notebook, and a software development kit, in... | 35 | 6 | [
{
"comment_id": "8170618",
"author": "ALX_skater",
"timestamp": "2025-08-28T09:17:57",
"content": "How do you analyze it and present it?MATLAB.Why would you reinvent the wheel?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8170621",
"author": "jj",
... | 1,760,371,440.197282 | ||
https://hackaday.com/2025/08/27/lynx-r1-headset-makers-release-6dof-slam-solution-as-open-source/ | Lynx-R1 Headset Makers Release 6DoF SLAM Solution As Open Source | Donald Papp | [
"Virtual Reality"
] | [
"6dof",
"crowdfunding",
"Lynx",
"MR",
"SLAM",
"vr"
] | Some readers may recall the Lynx-R1 headset — it was conceived as an Android virtual reality (VR) and mixed reality (MR) headset with built-in hand tracking, designed to be open where others were closed, allowing developers and users access to inner workings in defiance of walled gardens. It looked very promising, with... | 8 | 2 | [
{
"comment_id": "8170051",
"author": "M",
"timestamp": "2025-08-27T13:13:54",
"content": "They didn’t make orbslam-3. It was published back in 2020 (https://arxiv.org/abs/2007.11898) and was open sourced in 2021 (https://github.com/UZ-SLAMLab/ORB_SLAM3). I’ve personally used it in projects.",
"p... | 1,760,371,440.445281 | ||
https://hackaday.com/2025/08/27/a-tool-changing-3d-printer-for-the-masses/ | A Tool-changing 3D Printer For The Masses | Tyler August | [
"3d Printer hacks"
] | [
"3d printer",
"snapmaker",
"toolchanger"
] | Modern multi-material printers certainly have their advantages, but all that purging has a way to add up to oodles of waste. Tool-changing printers offer a way to do multi-material prints without the purge waste, but at the cost of complexity. Plastic’s cheap, though, so the logic has been that you could never save eno... | 26 | 8 | [
{
"comment_id": "8169892",
"author": "east",
"timestamp": "2025-08-27T08:19:44",
"content": "all that purging has a way to add up to oodles of wasteIdk but on my single nozzle dual extruder setup all that purging adds up to about a half gram on smaller prints up to 1.5g on larger prints and that cou... | 1,760,371,440.652751 | ||
https://hackaday.com/2025/08/26/simulating-the-commodore-pet/ | Simulating The Commodore PET | John Elliot V | [
"Retrocomputing",
"Software Hacks"
] | [
"Commodore PET",
"digital",
"emulation",
"simulation"
] | Over on his blog our hacker [cpt_tom] shows us
how to simulate the hardware for a Commodore PET
. Two of them in fact, one with static RAM and the other with dynamic RAM.
This project is serious business. The simulation environment used is
Digital
. Digital is a digital logic designer and circuit simulator designed for... | 2 | 1 | [
{
"comment_id": "8170076",
"author": "Joshua",
"timestamp": "2025-08-27T14:05:32",
"content": "Cool! 😎By the way, there were hi-res graphics board for the PET line.To do serious work, such as PCB design, drawing circuit schematics or do CAD.Would be cool if “emulators” would add one or two of them ... | 1,760,371,440.688923 | ||
https://hackaday.com/2025/08/26/google-will-require-developer-verification-even-for-sideloading/ | Google Will Require Developer Verification Even For Sideloading | Maya Posch | [
"Android Hacks",
"News"
] | [
"android",
"computer security",
"sideload"
] | Do you like writing software for Android, perhaps even sideload the occasional APK onto your Android device? In that case some big changes are heading your way, with Google announcing that they will soon
require developer verification for all applications
installed on certified Android devices – meaning basically every... | 115 | 24 | [
{
"comment_id": "8169786",
"author": "A",
"timestamp": "2025-08-27T02:20:21",
"content": "Boycott all proprietary software and centralized services. Open source de-googled Android ROMs will continue to exist so everyone should make an effort to use those. Alternative frontends like invidious, newpip... | 1,760,371,440.394497 | ||
https://hackaday.com/2025/08/26/avocado-harvester-is-a-cut-above/ | Avocado Harvester Is A Cut Above | Bryan Cockfield | [
"green hacks"
] | [
"3d printed",
"avocado",
"cutting",
"harvest",
"pole",
"snipper",
"tree"
] | For a farmer or gardener, fruit trees offer a way to make food (and sometimes money) with a minimum of effort, especially when compared to growing annual vegetables. Mature trees can be fairly self-sufficient, and may only need to be pruned once a year if at all. But getting the fruit down from these heights can be a c... | 7 | 4 | [
{
"comment_id": "8169736",
"author": "Flotsam",
"timestamp": "2025-08-26T23:55:16",
"content": "I’m adding Avocado Harvester to my list of potential band names.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8169760",
"author": "Tony M",
"tim... | 1,760,371,440.590455 | ||
https://hackaday.com/2025/08/26/battery-repair-by-reverse-engineering/ | Battery Repair By Reverse Engineering | Tyler August | [
"Battery Hacks"
] | [
"battery pack teardown",
"repair",
"reverse engineering",
"ryobi"
] | Ryobi is not exactly the Cadillac of cordless tools, but one still has certain expectations when buying a product. For most of us “don’t randomly stop working” is on the list. Ryobi 18-volt battery packs don’t always meet that expectation, but fortunately for the rest of us [Badar Jahangir Kayani] took matters into his... | 28 | 8 | [
{
"comment_id": "8169647",
"author": "Ian",
"timestamp": "2025-08-26T20:09:41",
"content": "63% of the “failed” batteries were actually working, but simply disabled by their own firmware?That feels well past the point where a consumer protection agency should be stepping in.",
"parent_id": null,... | 1,760,371,440.75489 | ||
https://hackaday.com/2025/08/26/automated-brewing/ | Automated Brewing | Bryan Cockfield | [
"Beer Hacks"
] | [
"automation",
"beer",
"brewing",
"ESP32",
"kitchen",
"stirring",
"temperature-control"
] | There’s little more to making alcoholic beverages than sugar, water, yeast, and time. Of course those with more refined or less utilitarian tastes may want to invest a bit more care and effort into making their concoctions. For beer making especially this can be a very involved task, but
[Fieldman] has come up with a m... | 6 | 4 | [
{
"comment_id": "8169591",
"author": "badtaste",
"timestamp": "2025-08-26T18:45:55",
"content": "Super cool! Well done, mate!You could further automate the cooling phase of the wort by using a heat exchanger, which would skip the step of moving the pot into the bigger bucket. But that’s optional.Wha... | 1,760,371,440.841241 | ||
https://hackaday.com/2025/08/25/diy-telescope-mount-for-stellar-tracking/ | DIY Telescope Mount For Stellar Tracking | Matt Varian | [
"hardware"
] | [
"equatorial tracking",
"telescope",
"telescope mount"
] | Pointing at stars may seem easy on the surface—just mount a telescope to a tripod and you’re done, right? As anyone who’s spent time with a telescope can tell you, it’s not that simple, given that the Earth is always spinning. [Sven] set out to
make his own mount
to compensate for the rotation of the Earth, which led t... | 8 | 4 | [
{
"comment_id": "8168688",
"author": "dave",
"timestamp": "2025-08-25T08:55:07",
"content": "This is really great especially for disabled people, like me, so we can keep doing observations.As an aside does anyone have the link for the startracker navigator project, I think it was a conceptual revers... | 1,760,371,440.89104 | ||
https://hackaday.com/2025/08/24/a-pll-for-perfect-pitch/ | A PLL For Perfect Pitch | Jenny List | [
"Musical Hacks"
] | [
"440hz",
"phase lock loop",
"PLL"
] | When Hackaday runs a contest, we see all manner of clever projects. But inevitably there are some we don’t see, because their builders didn’t manage to get them finished in time. [Park Frazer]’s phase-locked loop is one of them. The circuit is
an all-discrete PLL that derives a 440 Hz output from a 1 Hz input
, and it ... | 5 | 4 | [
{
"comment_id": "8168638",
"author": "Ale",
"timestamp": "2025-08-25T06:18:59",
"content": "I did read the article, very detailed. Of course 440 kHz ist out of pitch! The Author got it up to 440 Hz, that was his intention, anyways. The construction on a double sided PCB deserves its own prise too.",... | 1,760,371,440.929406 | ||
https://hackaday.com/2025/08/24/rp2040-assembly-language-mix-and-match/ | RP2040 Assembly Language Mix And Match | Al Williams | [
"Microcontrollers",
"Software Development"
] | [
"inline assembly",
"rp2040"
] | [David] is building a project with an OLED, a keyboard, and an RP2040. He’s perfected a scanning routine in C to work with the keyboard, but he still had some places he wanted to use even lower-level instructions. That was as good an excuse as any to experiment with
inline assembly language inside the C program
.
The g... | 8 | 3 | [
{
"comment_id": "8168655",
"author": "Danjovic",
"timestamp": "2025-08-25T07:27:20",
"content": "David tutorials about are fantastic! The Pico PIO series are the best I found about such peripheral.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8169877",
... | 1,760,371,440.795751 | ||
https://hackaday.com/2025/08/24/hackaday-links-august-24-2025/ | Hackaday Links: August 24, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"amateur radio",
"atlas",
"battle bots",
"boat anchor",
"Collins",
"cooking",
"fight club",
"hackaday links",
"ham",
"hologram",
"humanoid",
"Korea",
"law enforcement",
"mathematics",
"onions",
"open-reel",
"radio",
"reel-to-reel",
"synth"
] | “Emergency Law Enforcement Officer Hologram program activated. Please state the nature of your criminal or civil emergency.” Taking a cue from
Star Trek: Voyager
, the Seoul Metropolitan Police Agency is testing
a holographic police officer
, with surprisingly — dare we say, suspiciously? — positive results. The virtua... | 9 | 7 | [
{
"comment_id": "8168549",
"author": "pelrun",
"timestamp": "2025-08-25T01:40:25",
"content": "“REGISTER YOUR CRIMES – It’s the law!”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8168551",
"author": "baltar",
"timestamp": "2025-08-25T01:47:47",
"... | 1,760,371,441.106022 | ||
https://hackaday.com/2025/08/24/esp32-sets-sail-as-a-modern-bus-pirate-powerhouse/ | ESP32 Sets Sail As A Modern Bus Pirate Powerhouse | Matt Varian | [
"Microcontrollers"
] | [
"bus pirate",
"ESP32"
] | Bus Pirate is nearly a household name in the hardware hacking world. The first version came out way back in 2008, and there have been several revisions since then. You can buy pre-built Bus Pirate devices, but there’s also the option now to build our own. The
ESP32 Bus Pirate project
has everything you need to turn an ... | 5 | 5 | [
{
"comment_id": "8168939",
"author": "Psa",
"timestamp": "2025-08-25T18:43:00",
"content": "Except it’s not a bus pirate.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8169491",
"author": "Marc",
"timestamp": "2025-08-26T14:22:25",
"content": "I c... | 1,760,371,441.02084 | ||
https://hackaday.com/2025/08/24/wire-photo-fax-teardown/ | Wire Photo Fax Teardown | Al Williams | [
"Teardown"
] | [
"drum scanner",
"fax",
"wirephoto"
] | Fax machines had a moment in the sun, but they are actually much older than you might expect. Before the consumer-grade fax machines arrived, there was a thriving market for “wire photos” used by, for example, news organizations and the weather service. In the United States, the WEFax from Western Electric was fairly c... | 14 | 9 | [
{
"comment_id": "8168316",
"author": "FotonWriter",
"timestamp": "2025-08-24T19:17:07",
"content": "How cool! The first money i made out of high school has as a stringer for the local paper. I took a photo if a soldier standing guard on Memorial Day and the editor liked it so much he sent it out in ... | 1,760,371,440.981943 | ||
https://hackaday.com/2025/08/24/ambidextrous-robot-hand-speaks-in-signs/ | Ambidextrous Robot Hand Speaks In Signs | Aaron Beckendorf | [
"Robots Hacks"
] | [
"american sign language",
"arduino mega",
"Arduino Mega 2560",
"robot hand",
"servo motor",
"sign language"
] | As difficult as it is for a human to learn ambidexterity, it’s quite easy to program into a humanoid robot. After all, a robot doesn’t need to overcome years of muscle memory. Giving a one-handed robot ambidexterity, however, takes some more creativity. [Kelvin Gonzales Amador] managed to do this with his
ambidextrous ... | 5 | 4 | [
{
"comment_id": "8168203",
"author": "Andrew",
"timestamp": "2025-08-24T14:40:55",
"content": "Looks like Ralph, from 1994.https://web.stanford.edu/~dljaffe/Ralph/ralph.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8168211",
"author": "Anonymous cowa... | 1,760,371,441.062596 | ||
https://hackaday.com/2025/08/26/picture-by-paper-tape-wire-photos/ | Picture By Paper Tape | Al Williams | [
"Hackaday Columns",
"History",
"Slider"
] | [
"fax",
"wirephoto"
] | T
he April 1926 issue of “Science and Invention” had a fascinating graphic. It explained, for the curious, how a photo of a rescue at sea could be in the New York papers almost immediately. It was the modern miracle of the wire photo. But how did the picture get from Plymouth, England, to New York so quickly? Today, th... | 14 | 7 | [
{
"comment_id": "8169576",
"author": "Antron Argaiv",
"timestamp": "2025-08-26T18:01:37",
"content": "OK, I get it. The bandwidth required to send the photo would be more than the cable could handle, so they “downsample” it onto the paper tape, which can then be sent slowly. Clever.",
"parent_id... | 1,760,371,441.161494 | ||
https://hackaday.com/2025/08/26/troubled-usb-device-this-tool-can-help/ | Troubled USB Device? This Tool Can Help | Heidi Ulrich | [
"Tool Hacks"
] | [
"usb",
"USB tester"
] | You know how it goes — some gadgets stick around in your toolbox far longer than reason dictates, because maybe one day you’ll need it. How many of us held onto ISA diagnostic cards long past the death of the interface?
But unlike ISA, USB isn’t going away anytime soon. Which is exactly why this
USB and more tester by ... | 18 | 5 | [
{
"comment_id": "8169568",
"author": "arifyn",
"timestamp": "2025-08-26T17:50:20",
"content": "“it would be sad to challenge anyone to reinvent this ‘wheel’, instead of just ordering it.”Sadly, ordering it is also a challenge, if one lives in the US. It appears that Tindie can’t currently figure out... | 1,760,371,441.438653 | ||
https://hackaday.com/2025/08/26/where-there-is-no-down-measuring-liquid-levels-in-space/ | Where There Is No Down: Measuring Liquid Levels In Space | Dan Maloney | [
"Featured",
"Interest",
"Original Art",
"Slider",
"Space"
] | [
"astronaut",
"fuel",
"iss",
"liquid",
"nasa",
"oxidizer",
"pee",
"propellant",
"space",
"tank",
"ullage",
"urine"
] | As you can probably imagine, we get tips on a lot of really interesting projects here at Hackaday. Most are pretty serious, at least insofar as they aim to solve a specific problem in some new and clever way. Some, though, are a little more lighthearted, such as a fun project that came across the tips line back in May.... | 40 | 13 | [
{
"comment_id": "8169495",
"author": "M_B",
"timestamp": "2025-08-26T14:33:44",
"content": "I literally just started looking into how they did liquids in space yesterday. Went down the ullage motor rabbithole. Talk about good timing.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,441.304035 | ||
https://hackaday.com/2025/08/26/confirmation-of-record-220-pev-cosmic-neutrino-hit-on-earth/ | Confirmation Of Record 220 PeV Cosmic Neutrino Hit On Earth | Maya Posch | [
"Science",
"Space"
] | [
"ARCA",
"neutrinos"
] | Neutrinos are exceedingly common in the Universe, with billions of them zipping around us throughout the day from a variety of sources. Due to their extremely low mass and no electric charge they barely ever interact with other particles, making these so-called ‘ghost particles’ very hard to detect. That said, when the... | 11 | 4 | [
{
"comment_id": "8169441",
"author": "Mr Name Required",
"timestamp": "2025-08-26T12:28:12",
"content": "I don’t have anything useful to add whatsoever, but there can’t be too many songs written about subatomic particles. However Klaatu’s ‘Little Neutrino’ is one, almost 50 years old now:“And now I’... | 1,760,371,441.348004 | ||
https://hackaday.com/2025/08/26/vic-20-gets-isa-slot-networking/ | VIC-20 Gets ISA Slot, Networking | Bryan Cockfield | [
"Retrocomputing"
] | [
"commodore",
"expansion",
"interrupts",
"isa",
"isa bus",
"retrocomputing",
"timing",
"VIC-20"
] | There are few computing collapses more spectacular than the downfall of Commodore, but its rise as a home computer powerhouse in the early 80s was equally impressive. Driven initially by the VIC-20, this was the first home computer model to sell over a million units thanks to its low cost and accessibility for people o... | 22 | 10 | [
{
"comment_id": "8169339",
"author": "M",
"timestamp": "2025-08-26T08:13:56",
"content": "Not the craziest thing I’ve ever seen. Someone once gave one to an arduino.To explain, basically there’s a lot that an ISA slot and an IDE port have in common. Someone misused a chip intended to add an ISA slot... | 1,760,371,441.221768 | ||
https://hackaday.com/2025/08/25/very-efficient-apfc-circuit-in-faulty-industrial-960-watt-power-supply/ | Very Efficient APFC Circuit In Faulty Industrial 960 Watt Power Supply | Maya Posch | [
"Reverse Engineering"
] | [
"apfc",
"power factor correction"
] | The best part about post-mortem teardowns of electronics is when you discover some unusual design features, whether or not these are related to the original fault. In the case of a
recent [DiodeGoneWild] video
involving the teardown of an industrial DIN-rail mounted 24 V, 960 Watt power supply, the source of the report... | 2 | 2 | [
{
"comment_id": "8169478",
"author": "Arklan",
"timestamp": "2025-08-26T13:39:58",
"content": "I didn’t watch the video but it sounds like they are talking about bridgeless pfc? Or just plain synchronous rectification 🤔",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"commen... | 1,760,371,441.384653 | ||
https://hackaday.com/2025/08/25/the-shady-school/ | The Shady School | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"gpu",
"shader"
] | We can understand why
shaderacademy.com
chose that name over “the shady school,” but whatever they call it, if you are looking to brush up on graphics programming with GPUs, it might be just what you are looking for.
The website offers challenges that task you to draw various 2D and 3D graphics using code in your brows... | 8 | 5 | [
{
"comment_id": "8169210",
"author": "warspigot",
"timestamp": "2025-08-26T03:15:33",
"content": "Firefox recently got WebGPU support:https://mozillagfx.wordpress.com/2025/07/15/shipping-webgpu-on-windows-in-firefox-141/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,371,441.587128 | ||
https://hackaday.com/2025/08/27/acoustic-coupling-like-its-1985/ | Acoustic Coupling Like It’s 1985 | Bryan Cockfield | [
"Phone Hacks"
] | [
"acoustic coupling",
"bbs",
"modem",
"pay phone",
"phone"
] | Before the days of mobile broadband, and before broadband itself even, there was a time where Internet access was provided by phone lines. To get onto a BBS or chat on ICQ required dialing a phone number and accoustically coupling a computer to the phone system. The digital data transmitted as audio didn’t have a lot o... | 20 | 6 | [
{
"comment_id": "8170532",
"author": "Mamx",
"timestamp": "2025-08-28T05:19:30",
"content": "BS. Acoustic coupling was long dead when ICQ took off. It was the era of 56k modems, and the start of DSL",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8170683",
... | 1,760,371,441.644494 | ||
https://hackaday.com/2025/08/27/pascal-on-my-arduino-its-more-likely-than-you-think/ | Pascal? On My Arduino? It’s More Likely Than You Think | Tyler August | [
"Arduino Hacks"
] | [
"avr programming",
"Pascal"
] | The Arduino ecosystem is an amazing learning tool, but even those of us who love it admit that even the simplified C Arduino uses isn’t the ideal teaching language. Those of us who remember learning Pascal as our first “real” programming language in schools (first aside from BASIC, at least) might look fondly on the
AV... | 32 | 14 | [
{
"comment_id": "8170507",
"author": "irox",
"timestamp": "2025-08-28T03:25:16",
"content": "Using Pascal-FC could be a good option in this case. Basically Pascal with realtime/concurrency extensions, the British MOD’s alternative to ADA.https://www-users.york.ac.uk/~ab38/pf.html",
"parent_id":... | 1,760,371,441.719812 | ||
https://hackaday.com/2025/08/27/juicebox-rescue-freeing-tethered-ev-chargers-from-corporate-overlords/ | JuiceBox Rescue: Freeing Tethered EV Chargers From Corporate Overlords | Maya Posch | [
"Reverse Engineering",
"Transportation Hacks"
] | [
"EV charger"
] | The JuiceBox charger in its natural environment. (Credit: Nathan Matias)
Having a charger installed at home for your electric car is very convenient, not only for the obvious home charging, but also for having scheduling and other features built-in. Sadly, like with so many devices today, these tend to be tethered to a... | 32 | 11 | [
{
"comment_id": "8170404",
"author": "fluffy",
"timestamp": "2025-08-28T00:03:06",
"content": "“Stores like these make one wonder how much of this online functionality is actually required”Absolutely none of it. Everything that the EVSE needs to do happens completely locally, and the only useful thi... | 1,760,371,443.095821 | ||
https://hackaday.com/2025/08/27/a-new-screen-upgrade-for-the-gba/ | A New Screen Upgrade For The GBA | Bryan Cockfield | [
"Nintendo Game Boy Hacks"
] | [
"Case mod",
"display",
"game boy",
"game boy advance"
] | The Game Boy Advance (GBA) was released in 2001 to breathe some new life into the handheld market, and it did it with remarkable success. Unfortunately, the original models had a glaring problem: their unlit LCD screens could be very difficult to see. For that reason, console modders who work on these systems tend to i... | 8 | 5 | [
{
"comment_id": "8170422",
"author": "arifyn",
"timestamp": "2025-08-28T00:29:35",
"content": "Re: “The new screen has 480×480 resolution which is slightly larger than the original resolution but handles upscaling with no noticeable artifacts.”This is true (though I’d quibble about the cutoff for “... | 1,760,371,443.024633 | ||
https://hackaday.com/2025/08/27/floss-weekly-episode-844-simulated-word-of-mouth/ | FLOSS Weekly Episode 844: Simulated Word-of-Mouth | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"FLOSS Weekly",
"Open Source AI"
] | This week
Jonathan
,
Doc
, and
Aaron
chat about Open Source AI, advertisements, and where we’re at in the bubble roller coaster!
https://www.zdnet.com/article/no-grok-2-5-has-not-been-open-sourced-heres-how-you-can-tell/
https://about.fb.com/news/2024/07/open-source-ai-is-the-path-forward/
Did you know you can watch th... | 0 | 0 | [] | 1,760,371,442.896249 | ||
https://hackaday.com/2025/08/27/homebrew-tire-pressure-monitoring-system/ | Homebrew Tire Pressure Monitoring System | Al Williams | [
"car hacks",
"Wireless Hacks"
] | [
"ble",
"tpms"
] | When [upir] saw that you could buy tire valve stem caps that read pressure electronically, he decided to
roll his own Tire Pressure Monitoring System (TPMS)
like the one found on modern cars. An ESP32 and an OLED display read the pressure values. He didn’t have a car tire on his workbench though, so he had to improvise... | 53 | 15 | [
{
"comment_id": "8170136",
"author": "Anonymous",
"timestamp": "2025-08-27T15:34:54",
"content": "My TPMS is to look at my tires before I drive.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8170174",
"author": "Press X for Doubt",
"timestam... | 1,760,371,442.981527 | ||
https://hackaday.com/2025/08/27/the-android-bluetooth-connection/ | The Android Bluetooth Connection | Al Williams | [
"Android Hacks",
"Linux Hacks",
"Wireless Hacks"
] | [
"android",
"app inventor",
"bluetooth",
"SPP"
] | Suppose someone came to talk to you and said, “I need your help. I have a Raspberry Pi-based robot and I want to develop a custom Android app to control it.” If you are like me, you’ll think about having to get the Android developer tools updated, and you’ll wonder if you remember exactly how to sign a manifest. Not an... | 14 | 9 | [
{
"comment_id": "8170092",
"author": "DougM",
"timestamp": "2025-08-27T14:33:47",
"content": "I’m so glad this is still around! I used it many many years ago to turn my phone into a remote for an electric skateboard using the tilt sensor and recently I’ve been noodling on how to trigger the Hallowe... | 1,760,371,443.151353 | ||
https://hackaday.com/2025/08/24/pong-cloned-by-neural-network/ | Pong Cloned By Neural Network | Bryan Cockfield | [
"Artificial Intelligence",
"Games"
] | [
"ai",
"machine learning",
"neural network",
"pong",
"retrocomputing",
"video game"
] | Although not the first video game ever produced, Pong was the first to achieve commercial success and has had a tremendous influence on our culture as a whole. In Pong’s time, its popularity ushered in the arcade era that would last for more than two decades. Today, it retains a similar popularity partially for approac... | 9 | 2 | [
{
"comment_id": "8168141",
"author": "shinsukke",
"timestamp": "2025-08-24T11:59:57",
"content": "Very cool, really provides a look into the more unconventional uses of NN",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8169062",
"author": "Cad the Ma... | 1,760,371,443.571735 | ||
https://hackaday.com/2025/08/24/the-32-bit-6502-you-never-had/ | The 32 Bit 6502 You Never Had | Jenny List | [
"FPGA",
"Retrocomputing"
] | [
"6502",
"W65C816",
"W65C832"
] | In the beginning was the MOS6502, an 8-bit microprocessor that found its way into many famous machines. Some of you will know that a CMOS 6502 was created by the Western Design Center, and in turn, WDC produced the 65C816, a 16-bit version that was used in the Apple IIgs as well as the Super Nintendo. It was news to us... | 43 | 10 | [
{
"comment_id": "8168057",
"author": "Joshua",
"timestamp": "2025-08-24T08:36:02",
"content": "That’s cool. Hopefully it finds it way into real hardware eventually (say, an ASIC).It would be nice for making a more modern SuperCPU for the C64, for example.https://en.wikipedia.org/wiki/SuperCPU",
... | 1,760,371,443.34389 | ||
https://hackaday.com/2025/08/23/the-oscilloscope-from-1943/ | The Oscilloscope From 1943 | Al Williams | [
"Repair Hacks",
"Teardown"
] | [
"oscilloscope",
"radiometer"
] | [Thomas] comes up with some unusual gear. In his latest teardown and repair video, he has
a vintage 1943 Danish oscilloscope
, a Radiometer OSG32 on the bench. It isn’t lightweight, and it certainly looks its age with a vintage cracked finish on the case. You can check out the tubes and high-voltage circuitry in the v... | 5 | 4 | [
{
"comment_id": "8168173",
"author": "Mystick",
"timestamp": "2025-08-24T13:20:54",
"content": "Looks like my old Heathkit I got from a hamfest for $5.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8168288",
"author": "jbx",
"timestamp": "2025-08-24T1... | 1,760,371,443.525388 | ||
https://hackaday.com/2025/08/23/dealing-with-the-1970s-eprom-chaos-in-2025/ | Dealing With The 1970s EPROM Chaos In 2025 | Maya Posch | [
"Retrocomputing"
] | [
"2516",
"2716",
"eprom",
"retrocomputing"
] | It could be argued that erasable programmable ROMs (EPROMs) with their quaint UV-transparent windows are firmly obsolete today in an era of various flavors of EEPROMs. Yet many of these EPROMs are still around, and people want to program them. Unfortunately, the earliest EPROMs were made during a time when JEDEC standa... | 15 | 4 | [
{
"comment_id": "8167965",
"author": "JSL",
"timestamp": "2025-08-24T02:41:33",
"content": "The 2716 and 2732 weren’t “early.” “Early” were the 1702A and the 2708. Both of those needed three different power supply voltages, and the voltages had to be brought up in the correct sequence, or the chip... | 1,760,371,443.395517 | ||
https://hackaday.com/2025/08/23/picking-an-old-operating-system/ | Picking An Old Operating System | Al Williams | [
"Retrocomputing"
] | [
"Dick Pick",
"pickos"
] | We usually at least recognize old computer hardware and software names. But [Asianometry] taught us a new one:
Pick OS
. This 1960s-era system was sort of a database and sort of an operating system for big iron used by the Army. The request was for an English-like query language, and TRW assigned two guys, Don Nelson a... | 50 | 38 | [
{
"comment_id": "8167898",
"author": "Pixel_K",
"timestamp": "2025-08-23T23:11:15",
"content": "We (my actual employer) used Pick until 10 years ago in production. It served as a database to manage 100.000 clients. It ran in a virtual machine on an IBM mainframe. One of my first job was to recycle t... | 1,760,371,443.48224 | ||
https://hackaday.com/2025/08/23/lerobot-brings-autonomy-to-hobby-robots/ | LeRobot Brings Autonomy To Hobby Robots | Donald Papp | [
"Machine Learning",
"Robots Hacks"
] | [
"autonomous",
"diy",
"machine learning",
"robot arm"
] | Robotic arms have a lot in common with CNC machines in that they are usually driven by a fixed script of specific positions to move to, and actions to perform. Autonomous behavior isn’t the norm, especially not for hobby-level robotics. That’s changing rapidly with
LeRobot
, an open-source machine learning framework fr... | 6 | 3 | [
{
"comment_id": "8167870",
"author": "scott_tx",
"timestamp": "2025-08-23T21:06:00",
"content": "Going to have to find 50 Sarah Connors now…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8167996",
"author": "Roman",
"timestamp": "2025-08-24T04:26:18",... | 1,760,371,443.651929 | ||
https://hackaday.com/2025/08/23/esticky-is-a-paperless-post-it/ | ESticky Is A Paperless Post-It | Navarre Bartz | [
"Lifehacks",
"Microcontrollers"
] | [
"e-paper",
"e-paper display",
"post it",
"sticky note",
"waveshare"
] | E-paper screens have opened up a wide variety of novel use cases that just wouldn’t work with the higher power draw of an LCD. [gokux] thought it would be perfect for a
digital sticky note
.
Using a Waveshare 2.9″ e-paper display hooked up to a Seeed Studio XIAO ESP32C3, a battery, and a switch all inside the 3D printe... | 21 | 9 | [
{
"comment_id": "8167786",
"author": "ono",
"timestamp": "2025-08-23T17:56:27",
"content": "ItisnotevenremotelyclosetoaPost-Itifonecannotwriteonit",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8167811",
"author": "BrightBlueJim",
"timestamp": "2025-08... | 1,760,371,443.835287 | ||
https://hackaday.com/2025/08/22/web-dashboard-for-zephyr/ | Web Dashboard For Zephyr | Bryan Cockfield | [
"Microcontrollers"
] | [
"api",
"microcontroller",
"real time operating system",
"REST API",
"RTOS",
"web dashboard",
"web ui",
"websocket",
"zephyr",
"zephyr os"
] | Over time, web browsers have accumulated a ton of features beyond what anyone from the 90s might have imagined, from an application platform to file management and even to hardware access. While this could be concerning from a certain point of view, it makes it much easier to develop a wide range of tools. All a device... | 7 | 2 | [
{
"comment_id": "8167398",
"author": "Ali",
"timestamp": "2025-08-22T20:13:31",
"content": "Why not use RTEMS which has been around for the last 30 years? It’s definitely going to be more stable, refined and supported on MANY platforms.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,444.023623 | ||
https://hackaday.com/2025/08/22/finding-a-new-model-for-hacker-camps/ | Finding A New Model For Hacker Camps | Jenny List | [
"cons",
"Featured",
"Rants",
"Slider"
] | [
"community",
"events",
"hacker camps"
] | Electromagnetic Field manage to get live music at a hacker camp right, by turning it into the most cyberpunk future possible.
A couple of decades ago now, several things happened which gave life to our world and made it what it has become. Hackerspaces proliferated, giving what was previously dispersed a physical focus... | 68 | 16 | [
{
"comment_id": "8167319",
"author": "Nora",
"timestamp": "2025-08-22T17:20:20",
"content": "Ayy, blue hair straw man mentioned!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8167555",
"author": "Jenny List",
"timestamp": "2025-08-23T05:34:... | 1,760,371,443.983487 | ||
https://hackaday.com/2025/08/22/hackaday-podcast-episode-334-radioactive-shrimp-clocks-funky-filaments-owning-the-hardware/ | Hackaday Podcast Episode 334: Radioactive Shrimp Clocks, Funky Filaments, Owning The Hardware | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | In this episode of the Hackaday Podcast, editors Elliot Williams and Tom Nardi start out with a warning about potentially radioactive shrimp entering the American food supply via Walmart, and things only get weirder from there. The extra spicy shrimp discussion makes a perfect segue into an overview of a pair of atomic... | 4 | 3 | [
{
"comment_id": "8167422",
"author": "David",
"timestamp": "2025-08-22T21:06:21",
"content": "I was hoping for some radioactive shrimp clocks, but alas….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8168709",
"author": "Elliot Williams",
"t... | 1,760,371,443.695405 | ||
https://hackaday.com/2025/08/22/converting-a-sprinkler-system-to-dc/ | Converting A Sprinkler System To DC | Bryan Cockfield | [
"green hacks"
] | [
"ac",
"conversion",
"dc",
"drv103",
"grass",
"lawn",
"pwm",
"solenoid",
"sprinkler"
] | Famously, Nikola Tesla won the War of the Currents in the early days of electrification because his AC system could use transformers to minimize losses for long distance circuits. That was well before the invention of the transistor, though, and there are a lot of systems that still use AC now as a result of electricit... | 14 | 10 | [
{
"comment_id": "8167283",
"author": "Miles",
"timestamp": "2025-08-22T15:52:24",
"content": "There might be some relevant code in the DIY fuel injection peojects. Some fuel injectors are driven the same way, high current to activate and lower current to hold.I started with a “gateway timer” that h... | 1,760,371,444.071835 | ||
https://hackaday.com/2025/08/22/this-week-in-security-anime-catgirls-illegal-adblock-and-disputed-research/ | This Week In Security: Anime Catgirls, Illegal AdBlock, And Disputed Research | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks"
] | [
"catgirls",
"disputed research",
"Phrack",
"This Week in Security"
] | You may have noticed the Anime Catgirls when trying to get to the Linux Kernel’s mailing list, or one of any number of other sites associated with Open Source projects. [Tavis Ormandy] had this question, too, and
even wrote about it
. So, what’s the deal with the catgirls?
The project is
Anubis
, a “Web AI Firewall Uti... | 28 | 9 | [
{
"comment_id": "8167237",
"author": "jpa",
"timestamp": "2025-08-22T14:27:56",
"content": "Regardingwhyanime girls.. it is supposed to be a way to make people pay for the pro version:https://xeiaso.net/blog/2025/avoiding-becoming-peg-dependency/",
"parent_id": null,
"depth": 1,
"replies... | 1,760,371,444.458949 | ||
https://hackaday.com/2025/08/22/reprapmicron-promises-micro-fabrication-for-desktops-with-new-prototype/ | RepRapMicron Promises Micro-fabrication For Desktops With New Prototype | Donald Papp | [
"3d Printer hacks"
] | [
"diy",
"flexure",
"microfabrication",
"reprap",
"UV resin"
] | 3D printing has transformed how hobbyists fabricate things, but what additional doors would open if we could go even smaller? The
µRepRap (RepRapMicron) project
aims to bring fabrication at the micron and sub-micron scale to hobbyists the same way RepRap strove to make 3D printing accessible. New developments by [Vik O... | 15 | 4 | [
{
"comment_id": "8167177",
"author": "Stephen Walters",
"timestamp": "2025-08-22T12:15:56",
"content": "You could 3D print simple circuits and MAYBE IC’s as well.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8167232",
"author": "LordNothing",
... | 1,760,371,444.195516 | ||
https://hackaday.com/2025/08/22/quieting-that-radio/ | Quieting That Radio | Al Williams | [
"Wireless Hacks"
] | [
"Ferrite core",
"noise",
"radio",
"sdr"
] | If you are casually listening to the radio, you probably tune into a local station and with modern receivers and FM modulation, the sound quality is good. But if you are trying to listen to distant or low-powered station, there’s a lot of competition. Our modern world is awash in a soup of electronic interference. [Ele... | 22 | 11 | [
{
"comment_id": "8167074",
"author": "shinsukke",
"timestamp": "2025-08-22T08:15:39",
"content": "The only radio I like listening to is shortwave. There is a joy in listening to random radio broadcasts from around the world. Some from Asia, some from Eastern Europe, some from Africa. I do not unders... | 1,760,371,444.251082 | ||
https://hackaday.com/2025/08/23/who-is-your-audience/ | Who Is Your Audience? | Elliot Williams | [
"Hackaday Columns",
"PCB Hacks",
"Slider"
] | [
"conversations",
"documentation",
"open source hardware",
"PCB design"
] | Here at Hackaday HQ, we all have opinions about the way we like to do things. And no surprise, this extends to the way we like to lay out circuits in schematics. So when we were discussing our own takes on this piece on
suggested schematic standards
, it was maybe more surprising how much we
did
agree on than how much ... | 32 | 10 | [
{
"comment_id": "8167687",
"author": "Ostracus",
"timestamp": "2025-08-23T14:39:05",
"content": "“For instance, do you organize the pinout for an IC by pin number or by pin function, grouping the power pins and the ADC pins and so on? If your audience is trying to figure out the circuit logic, you s... | 1,760,371,444.143376 | ||
https://hackaday.com/2025/08/23/candle-oscillator-really-heats-things-up/ | Candle Oscillator Really Heats Things Up | Jenny List | [
"clock hacks"
] | [
"candle",
"clock",
"oscillator"
] | As the timebase for a clock, almost anything with a periodic oscillation can be used. Traditionally, that meant a pendulum, but in our time, we’ve seen plenty of others. Perhaps none as unusual as [Tim]’s
candle flicker clock
, though.
Candles are known for their flickering, a property of the wick and the fuel supply t... | 11 | 9 | [
{
"comment_id": "8167622",
"author": "Special K",
"timestamp": "2025-08-23T11:09:15",
"content": "This looks familiar…https://hackaday.com/2025/08/17/2025-one-hertz-challenge-a-flaming-oscillator-and-a-new-take-on-the-candle-clock/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,371,444.390846 | ||
https://hackaday.com/2025/08/23/solar-powered-pyrolysis-facility-converts-scrap-plastic-into-fuel/ | Solar Powered Pyrolysis Facility Converts Scrap Plastic Into Fuel | John Elliot V | [
"hardware",
"Solar Hacks"
] | [
"magnetron",
"organic material",
"plastic",
"pyrolysis",
"solar-powered"
] | [naturejab] shows off his
solar powered pyrolysis machine which can convert scrap plastic into fuel
. According to the video, this is the world’s most complex hand-made pyrolysis reactor ever made. We will give him some wiggle room there around “complex” and “hand-made”, because whatever else you have to say about it t... | 61 | 18 | [
{
"comment_id": "8167603",
"author": "Danie",
"timestamp": "2025-08-23T09:34:17",
"content": "Although before solar power was as popular as it is today, the same process was on the go quite a few years before:https://www.2oceansvibe.com/2013/04/16/cape-town-inventor-william-graham-invents-incredible... | 1,760,371,444.345311 | ||
https://hackaday.com/2025/08/22/back-to-the-90s-on-real-hardware/ | Back To The 90s On Real Hardware | Bryan Cockfield | [
"Retrocomputing"
] | [
"32-bit",
"cs4237b",
"dos",
"gaming",
"hardware",
"isa",
"retro",
"sound",
"SoundBlaster",
"vortex86",
"windows98",
"x86"
] | As the march of time continues on, it becomes harder and harder to play older video games on hardware. Part of this is because the original hardware itself wears out, but another major factor is that modern operating systems, software, and even modern hardware don’t maintain support for older technology indefinitely. T... | 8 | 3 | [
{
"comment_id": "8167608",
"author": "the gambler",
"timestamp": "2025-08-23T10:32:28",
"content": "forget sound blaster this will be great for legacy industrial machines that use pc104 and are getting harder and harder to find good mb’s for. you can get the isa to pc104 adapters cheap enough but t... | 1,760,371,444.499552 | ||
https://hackaday.com/2025/08/22/video-clips-with-emacs/ | Video Clips With Emacs | Al Williams | [
"Linux Hacks",
"Video Hacks"
] | [
"Emacs",
"video clipping"
] | Sometimes it seems like there’s nothing Emacs can’t do. Which, of course, is why some people love it, and some people hate it. Apparently, [mbork] loves it and
devised a scheme
to show a video (with a little help), accept cut-in and out marks, and then use ffmpeg to output the video clip, ready for posting, emailing, o... | 11 | 5 | [
{
"comment_id": "8167504",
"author": "CityZen",
"timestamp": "2025-08-23T02:32:25",
"content": "Hmm, you’ve prompted me to ask the question, “Can Emacs run Doom?”And of course, the answer is “Yes, it can! (with some help)”(And don’t be confused by “Doom Emacs”, which is something completely differen... | 1,760,371,445.329556 | ||
https://hackaday.com/2025/08/22/hows-the-weather-satellite-edition/ | How’s The Weather? (Satellite Edition) | Al Williams | [
"Radio Hacks",
"Space"
] | [
"weather satellites"
] | When [Tom Nardi] reported on NOAA’s statement that many of its polar birds were no longer recommended for use, he mentioned that when the satellites do give up, there are other options if you want to pull up your own satellite weather imagery. [Jacopo]
explains those other options in great detail
.
For example, the Rus... | 2 | 2 | [
{
"comment_id": "8167518",
"author": "Daniel Díaz",
"timestamp": "2025-08-23T03:18:02",
"content": "Is this the link, maybe?https://www.a-centauri.com/articoli/beyond-poes-amateur-satellite-reception",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8167782",
... | 1,760,371,444.549048 | ||
https://hackaday.com/2025/08/22/how-to-stop-zeus-from-toasting-your-pi/ | How To Stop Zeus From Toasting Your Pi | Heidi Ulrich | [
"High Voltage",
"News",
"PCB Hacks"
] | [
"7805",
"grid",
"high voltage",
"lightning",
"mov",
"power spike",
"Rural",
"surge"
] | If you’ve ever lost gear to lightning or power spikes, you know what a pain they are. Out in rural Arkansas, where [vinthewrench] lives, the grid is more chaos than comfort – especially when storms hit. So, he dug into the problem after watching a cheap AC-DC module quite literally melt down.
The full story
, as always... | 18 | 10 | [
{
"comment_id": "8167402",
"author": "Sparky",
"timestamp": "2025-08-22T20:19:22",
"content": "Danger Will Robinson! That layout is no good!Way too close a gap where the component leads poke through the GND plane!Looks reasonable otherwise (on first glance), but you have to heed those isolation clea... | 1,760,371,444.674242 | ||
https://hackaday.com/2025/08/25/theres-nothing-mini-about-this-mini-hasselblad-style-cameras-sensor/ | There’s Nothing Mini About This Mini Hasselblad-Style Camera’s Sensor | Tyler August | [
"digital cameras hacks"
] | [
"digital camera",
"IMX283",
"Pi camera",
"Raspberry Pi 5"
] | When someone hacks together a digital camera with a Raspberry Pi, the limiting factor for serious photography is usually the sensor. No offense to the fine folks at the foundation, but even the “HQ” camera, while very good, isn’t quite professional grade. That’s why when photographer [Malcolm Wilson] put together this
... | 10 | 4 | [
{
"comment_id": "8169130",
"author": "pentode",
"timestamp": "2025-08-26T00:20:37",
"content": "The guy’s name is misspelled every time it appears in the article. /pedant",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8169205",
"author": "0xdeadbeef"... | 1,760,371,444.75098 | ||
https://hackaday.com/2025/08/25/butta-melta-stops-rock-solid-butter-from-tearing-your-toast/ | Butta Melta Stops Rock-solid Butter From Tearing Your Toast | Donald Papp | [
"cooking hacks"
] | [
"3d printed",
"breakfast",
"butter",
"butter melter",
"food"
] | Ever ruin a perfectly serviceable piece of toast by trying (and failing) to spread a little pat of rock-solid butter? [John Dingley] doesn’t! Not since he created the
Butta Melta
to cozily snug a single butter serving right up against a warm beverage, softening it just enough to get nice and spreadable. Just insert one... | 53 | 16 | [
{
"comment_id": "8169040",
"author": "Snarkenstein",
"timestamp": "2025-08-25T21:22:55",
"content": "Well, that’s cute if you’re out in the cold, cold world, but for home, just get yourself a butter bell.I do wonder if the inevitable migration of butter to the plastic might soften the plastic, or im... | 1,760,371,445.016974 | ||
https://hackaday.com/2025/08/25/pi-port-protection-pcb/ | Pi Port Protection PCB | Jenny List | [
"Raspberry Pi"
] | [
"1-wire",
"differential i2c",
"i2c",
"Isolation",
"raspberry pi"
] | We’re used to interfaces such as I2C and one-wire as easy ways to hook up sensors and other peripherals to microcontrollers. While they’re fine within the confines of a small project, they do have a few limitations. [Vinnie] ran straight into those limitations while using a Raspberry Pi with agricultural sensors. The i... | 16 | 9 | [
{
"comment_id": "8169025",
"author": "Brian",
"timestamp": "2025-08-25T20:50:31",
"content": "“I also added the DS9503P ESD Protection Diode, which gave my circuit approximately 27 kV of isolation.”Nope. Not with that series R. and not with that PCB layout. Methinks his ‘Zeus filter’ may have simil... | 1,760,371,444.930632 | ||
https://hackaday.com/2025/08/25/debugging-the-instant-macropad/ | Debugging The Instant Macropad | Al Williams | [
"Hackaday Columns",
"how-to",
"Peripherals Hacks",
"Slider"
] | [
"keyboard",
"macropad",
"pi pico",
"QMK"
] | Last time
, I showed you how to throw together a few modules and make a working macropad that could act like a keyboard or a mouse. My prototype was very simple, so there wasn’t much to debug. But what happens if you want to do something more complex? In this installment, I’ll show you how to add the obligatory blinkin... | 0 | 0 | [] | 1,760,371,445.054472 | ||
https://hackaday.com/2025/08/25/cerns-large-hadron-collider-runs-on-a-bendix-g-15-in-2025/ | CERN’s Large Hadron Collider Runs On A Bendix G-15 In 2025 | Adam Fabio | [
"News",
"Retrocomputing"
] | [
"Bendix",
"cern",
"intercom"
] | The Bendix G-15 refurbished by [David at Usagi Electric] is well known as the oldest fully operational digital computer in North America. The question [David] gets most is “what can you do with it?”. Well, as a general-purpose computer, it can do just about anything. He set out to prove it. Can a
1950s-era vacuum tube... | 18 | 7 | [
{
"comment_id": "8168856",
"author": "Yet Another Robert Smith",
"timestamp": "2025-08-25T16:17:47",
"content": "It’s amazing what’s possible when the manufacturer can’t remotely brick the device.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8169028",
... | 1,760,371,445.231003 | ||
https://hackaday.com/2025/08/25/radio-apocalypse-americas-doomsday-rocket-radios/ | Radio Apocalypse: America’s Doomsday Rocket Radios | Dan Maloney | [
"Featured",
"History",
"Interest",
"Slider",
"Wireless Hacks"
] | [
"EAM",
"emergency action message",
"ICBM",
"Minuteman II",
"missile",
"payload",
"Radio Apocalypse",
"sac",
"uhf"
] | Even in the early days of the Cold War, it quickly became apparent that simply having hundreds or even thousands of nuclear weapons would never be a sufficient deterrent to atomic attack. For nuclear weapons to be anything other than expensive ornaments, they have to be part of an engineered system that guarantees that... | 17 | 6 | [
{
"comment_id": "8168807",
"author": "Jammy",
"timestamp": "2025-08-25T14:14:40",
"content": "Nice write up!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8168867",
"author": "ono",
"timestamp": "2025-08-25T16:39:39",
"content": "Int... | 1,760,371,445.112045 | ||
https://hackaday.com/2025/08/25/dead-bug-timer-relay-needs-no-pcb/ | Dead Bug Timer Relay Needs No PCB | Al Williams | [
"classic hacks"
] | [
"deadbug",
"NE555",
"relay"
] | We often marvel at the many things a 555 can do. But [Zafer Yildiz] shows us that it can even
take the place of a PCB
. You’ll see what we mean in the video below. The timer relay circuit is built “dead bug” style with the 555 leads bent out to provide wiring terminals.
Honestly, these kinds of circuits are fun, but we... | 19 | 11 | [
{
"comment_id": "8168764",
"author": "robomonkey",
"timestamp": "2025-08-25T12:26:22",
"content": "I’ve always thought that deadbug construction would be helped by the occasional use of small crimp size steel tubing that could enhance the stability. you could even crimp then solder the connection t... | 1,760,371,445.173096 | ||
https://hackaday.com/2025/08/21/now-that-commodore-is-back-could-amiga-be-next/ | Now That Commodore Is Back, Could Amiga Be Next? | Tyler August | [
"Retrocomputing"
] | [
"amiga",
"retro computer clone"
] | Now that Commodore has arisen from the depths of obscurity like Cthulhu awoken from R’lyeh, the question on every shoggoth’s squamose lips is this: “Will there be a new Commodore Amiga?” The New Commodore is reportedly interested, but as [The Retro Shack] reports in the video embedded below,
it might be some time befo... | 54 | 15 | [
{
"comment_id": "8167059",
"author": "Analog",
"timestamp": "2025-08-22T07:04:43",
"content": "There are a lot of new Amiga HW, both in PowerPC and FPGA`s",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8169876",
"author": "Dave Haynie",
"time... | 1,760,371,445.485575 | ||
https://hackaday.com/2025/08/21/replicating-the-worlds-oldest-stringed-instrument/ | Replicating The World’s Oldest Stringed Instrument | Tyler August | [
"Musical Hacks"
] | [
"archeology",
"experimental archeology",
"lyre",
"musical instrument",
"recreation"
] | Posts on Hackaday sometimes trend a little bit retro, but rarely do we cover hacks that reach back into the Bronze Age. Still, when musician [Peter Pringle] put out a video detailing how
he replicated an ancient Sumerian instrument,
we couldn’t wait to dig in.
The instrument in question is the “Golden Lyre of Ur”, and ... | 10 | 8 | [
{
"comment_id": "8167047",
"author": "John",
"timestamp": "2025-08-22T06:11:04",
"content": "Wooow. That sounds really cool. I think I like it better than a harp.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8167146",
"author": "Dave",
"timestamp": "... | 1,760,371,445.282505 | ||
https://hackaday.com/2025/08/21/this-pocket-multitool-weighs-less-than-a-penny/ | This Pocket Multitool Weighs Less Than A Penny | Heidi Ulrich | [
"hardware",
"Misc Hacks",
"Tool Hacks"
] | [
"EDC",
"Everyday Carry",
"minimalist",
"pocket",
"tiny",
"titanium",
"tool"
] | A multitool that weighs less than a penny? Yes, it exists.
This video by [ToolTechGeek]
shows his titanium flat-cut design tipping the scales at only 1.9 grams—lighter than the 2.5-gram copper penny jingling in your pocket. His reasoning: where most everyday carry (
EDC
) tools are bulky, overpriced, or simply too much... | 26 | 12 | [
{
"comment_id": "8166991",
"author": "Not Duck",
"timestamp": "2025-08-21T23:50:26",
"content": "I would rather have the penny. The only multi tools worth having are the kind design for a very narrow set of similar purposes. i.e. a 7 in 1 screw driver.For everything either carry the right tool or a ... | 1,760,371,445.394537 | ||
https://hackaday.com/2025/08/21/using-the-74hc595-shift-register-to-drive-7-segment-displays/ | Using The 74HC595 Shift Register To Drive 7-Segment Displays | John Elliot V | [
"hardware",
"Microcontrollers",
"Network Hacks",
"Peripherals Hacks"
] | [
"7-segment display",
"74hc595",
"shift register"
] | In a recent video our hacker [Electronic Wizard]
introduces the 74HC595 shift register and explains how to use it to drive 7-segment displays
.
[Electronic Wizard] explains that understanding how to apply the 74HC595 can increase the quality of your projects and also help keep the demands on the number of pins from you... | 19 | 15 | [
{
"comment_id": "8166895",
"author": "Hugo Oran",
"timestamp": "2025-08-21T20:53:09",
"content": "Oh sweet memories. Both my personal memories – I remember similar schematic I saw 35+ years ago – and semiconductor memories, which started with shift registers.",
"parent_id": null,
"depth": 1,... | 1,760,371,445.541926 | ||
https://hackaday.com/2025/08/21/how-intels-386-protects-itself-from-esd-latch-up-and-metastability/ | How Intel’s 386 Protects Itself From ESD, Latch-up And Metastability | Maya Posch | [
"classic hacks",
"Reverse Engineering"
] | [
"386",
"electrostatic discharge",
"reverse engineering"
] | To connect the miniature world of integrated circuits like a CPU with the outside world, a number of physical connections have to be made. Although this may seem straightforward, these I/O pads form a major risk to the chip’s functioning and integrity, in the form of electrostatic discharge (ESD), a type of short-circu... | 11 | 4 | [
{
"comment_id": "8167038",
"author": "Martin",
"timestamp": "2025-08-22T05:33:16",
"content": "It’s not an ASIC, it’s a microprocessor.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8167147",
"author": "TinLetHax",
"timestamp": "2025-08-22T1... | 1,760,371,445.589093 | ||
https://hackaday.com/2025/08/21/linux-fu-windows-virtualization-the-hardware-way/ | Linux Fu: Windows Virtualization The Hard(ware) Way | Al Williams | [
"Hackaday Columns",
"Linux Hacks"
] | [
"kvm",
"linux",
"virtual machine",
"windows"
] | As much as I love Linux, there are always one or two apps that I simply have to run under Windows for whatever reason. Sure, you can use wine, Crossover Office, or run Windows in a virtual machine, but it’s clunky, and I’m always fiddling with it to get it working right. But I recently came across something that — when... | 31 | 13 | [
{
"comment_id": "8166835",
"author": "Nathann Morand",
"timestamp": "2025-08-21T17:17:14",
"content": "this is really cool :)my current issue : GPU sharing.my dream : getting autodesk inventor on linux but working inside a VM is just painful and I dont have two GPU to dedicate one to a VM.if someone... | 1,760,371,445.66246 | ||
https://hackaday.com/2025/08/21/bad-to-the-bluetooth-you-shouldnt-use-this-jammer/ | Bad To The Bluetooth: You Shouldn’t Use This Jammer | Jenny List | [
"Radio Hacks"
] | [
"2.4ghz",
"bluetooth",
"jammer"
] | Back in the day, an FM bug was a handy way to make someone’s annoying radio go away, particularly if it could be induced to feedback. But these days you’re far more likely to hear somebody’s Bluetooth device blasting than you are an unruly FM radio.
To combat this aural menace, [Tixlegeek] is here with
a jammer for the... | 12 | 7 | [
{
"comment_id": "8166823",
"author": "Then",
"timestamp": "2025-08-21T16:52:05",
"content": "Holy moly, just get 4 2.4ghz ‘video transmitters’ set them to different channels and bob is your uncle. Use a wok pan for directionality!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,445.772868 | ||
https://hackaday.com/2025/08/21/ask-hackaday-where-are-all-the-fuel-cells/ | Ask Hackaday: Where Are All The Fuel Cells? | Tom Nardi | [
"Current Events",
"Engineering",
"Featured",
"News",
"Original Art",
"Slider"
] | [
"apollo",
"fuel cell",
"hydrogen",
"nasa",
"renewable energy",
"Space Shuttle"
] | Given all the incredible technology developed or improved during the Apollo program, it’s impossible to pick out just one piece of hardware that made humanity’s first crewed landing on another celestial body possible. But if you had to make a list of the top ten most important pieces of gear stacked on top of the Satur... | 60 | 18 | [
{
"comment_id": "8166769",
"author": "RunnerPack",
"timestamp": "2025-08-21T14:26:57",
"content": "“why don’t we see them used more today?”Without reading below the fold, I’m gonna say: producing, storing, transporting, and dispensing the H2 and O2.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,371,445.978041 | ||
https://hackaday.com/2025/08/21/cal-3d-printing-spins-resin-right-round-baby/ | CAL 3D Printing Spins Resin Right Round, Baby | Tyler August | [
"3d Printer hacks"
] | [
"3D resin printer",
"computed axial lithography",
"lithography",
"photopolymer resin",
"volumetric 3d printing"
] | Computed Axial Lithography (CAL) is a lighting-fast form of volumetric 3D printing that holds incredible promise for the future, and [The Action Lab]
filmed it in action at a Berkeley team’s booth at the “Open Sauce” convention.
The basic principle works like this: an extra-viscous photopolymer resin sits inside a rota... | 8 | 5 | [
{
"comment_id": "8166718",
"author": "DionB",
"timestamp": "2025-08-21T11:17:18",
"content": "Urgh – this is wiiiiiild. Tomography and the maths associated with it is brain-hurty. The resulting parts still look pretty beta but so did early 3d prints. Can’t wait for this to trickle down.",
"paren... | 1,760,371,446.027964 | ||
https://hackaday.com/2025/08/21/playing-doom-on-the-anker-prime-charging-station/ | PlayingDOOMOn The Anker Prime Charging Station | Maya Posch | [
"Reverse Engineering"
] | [
"Anker",
"does it run doom",
"doom"
] | At this point the question is no longer whether a new device runs
DOOM
, but rather how well. In the case of Anker’s Prime Charging Station it turns out that it’s actually not too terrible at controlling the game,
as [Aaron Christophel] demonstrates
. Unlike the similar Anker power bank product with BLE and a big displ... | 13 | 5 | [
{
"comment_id": "8166686",
"author": "shinsukke",
"timestamp": "2025-08-21T09:11:06",
"content": "ESP32-C3 for Bluetooth Low Energy (BLE) duty, but also a 150 MHz Synwit SWM341RET7 (Chinese datasheet) ARM-based MCU along with 16 MB of external flash and 8 MB of external RAMFor a charging station? I ... | 1,760,371,446.078555 | ||
https://hackaday.com/2025/08/20/lets-brief-you-on-recent-developments-for-electrostatic-motors/ | Let’s Brief You On Recent Developments For Electrostatic Motors | John Elliot V | [
"hardware",
"High Voltage"
] | [
"Electric motor",
"electrostatic motor",
"motor"
] | Over on his YouTube channel [Ryan Inis] has a video about
how electrostatic motors are breaking all the rules
.
He explains that these days most motors are electromagnetic but suggests that may be changing as the age-old principles of electrostatics are being explored again, particularly due to the limited supply of ra... | 28 | 6 | [
{
"comment_id": "8166618",
"author": "scott_tx",
"timestamp": "2025-08-21T05:32:56",
"content": "High voltage motors full of mystery fluid, think I’ll pass on that. They’re going to leak one day and that sounds like a hassle.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,446.135136 | ||
https://hackaday.com/2025/08/20/one-motor-drone-mimics-maple-seeds-for-stability/ | One-Motor Drone Mimics Maple Seeds For Stability | Donald Papp | [
"drone hacks"
] | [
"drone",
"maple seed",
"monocopter"
] | We’ve seen aircraft based on “helicopter” seeds (technically
samara
seeds, which include those of maples and elms) before, but this recent design from researchers at the Singapore University of Technology and Design (SUTD) shows how
a single small motor can power a spinning monocopter
capable of active directed flight,... | 14 | 7 | [
{
"comment_id": "8166582",
"author": "Mr Name Required",
"timestamp": "2025-08-21T02:14:51",
"content": "Free flight monocopter models powered by screaming Cox 049s have been around for many decades. So what’s new here, just the directional flight bit?",
"parent_id": null,
"depth": 1,
"r... | 1,760,371,446.187646 | ||
https://hackaday.com/2025/08/20/carry-your-grayscale-memories-with-this-tiny-game-boy-photo-frame/ | Carry Your Grayscale Memories With This Tiny Game Boy Photo Frame | Tyler August | [
"Nintendo Game Boy Hacks"
] | [
"digital picture frame",
"game boy camera",
"rp2040"
] | While we cannot be certain this is the world’s smallest digital photo frame, [Raphaël Boichot]’s
Pico Slide Show
is probably in the running. Since the 0.85″ TFT display would be wasted on multi-megapixel images, [Raphael] has dedicated this project to images from the Game Boy Camera.
It’s a good fit: the tiny square di... | 2 | 1 | [
{
"comment_id": "8166728",
"author": "RunnerPack",
"timestamp": "2025-08-21T11:57:30",
"content": "The camera sensor itself is analog, 128×128 like the display, and even includes some computer vision related functions. A much more capable, self-contained camera could be built on this platform.",
... | 1,760,371,446.282163 | ||
https://hackaday.com/2025/08/20/hide-capacitive-touch-buttons-in-your-next-3d-print/ | Hide Capacitive Touch Buttons In Your Next 3D Print | Donald Papp | [
"3d Printer hacks",
"Arduino Hacks"
] | [
"3d printed",
"Capacitive Touch Sensor",
"touch sensor"
] | Capacitive touch sensors are entirely in the domain of DIY, requiring little more than a carefully-chosen conductive surface and a microcontroller. This led [John Phillips] to ask
why not embed such touch buttons directly into a 3D print
?
Button locations and labels can be made as part of the 3D print, which is handy.... | 15 | 7 | [
{
"comment_id": "8166503",
"author": "Michael",
"timestamp": "2025-08-20T20:45:17",
"content": "The way I’ve done this in the past has been with conductive PLA, then using a heat-set screw to then clamp a wire that goes to the MCU",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,371,446.243427 | ||
https://hackaday.com/2025/08/19/volkswagen-joins-the-car-as-a-service-movement-with-its-id-3-bev/ | Volkswagen Joins The Car-As-A-Service Movement With Its ID.3 BEV | Maya Posch | [
"Transportation Hacks"
] | [
"subscription service",
"volkswagen"
] | More and more car manufacturers these days are becoming interested in the recurring revenue model, with Volkswagen’s ID.3 BEV being the latest to have an optional ‘motor power upgrade’ that you can pay for either monthly or with a ‘lifetime’ payment.
As the BBC reports
, this option is now available in the UK, with cus... | 113 | 28 | [
{
"comment_id": "8165671",
"author": "pigster",
"timestamp": "2025-08-19T11:13:58",
"content": "Really – people are hacking cars as long as cars are a thing. How hard can it be to buy the cheapest model and bypass all the subscription nonsense with modified software? Probably harder than Rigol oscil... | 1,760,371,446.538969 | ||
https://hackaday.com/2025/08/19/antiviral-ppe-for-the-next-pandemic/ | Antiviral PPE For The Next Pandemic | Navarre Bartz | [
"Medical Hacks",
"Science"
] | [
"antiviral",
"biohacking",
"genetic mutation",
"immune",
"immune system",
"mRNA",
"pandemic",
"PPE",
"virus"
] | In what sounds like the plot from a sci-fi movie, scientists have isolated an incredibly rare immune mutation to create a
universal antiviral treatment
.
Only present in a few dozen people worldwide, ISG15 immunodeficiency causes people to be more susceptible to certain bacterial illnesses, but it also grants the peopl... | 35 | 9 | [
{
"comment_id": "8165641",
"author": "lj",
"timestamp": "2025-08-19T09:25:42",
"content": "Okay.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8165644",
"author": "Greg Mathews",
"timestamp": "2025-08-19T09:36:31",
"content": "You can also drive w... | 1,760,371,446.350971 | ||
https://hackaday.com/2025/08/18/silent-speak-and-spell-gets-its-voice-back/ | Silent Speak And Spell Gets Its Voice Back | Al Williams | [
"Repair Hacks",
"Teardown",
"Toy Hacks"
] | [
"repair",
"Speak and Spell"
] | While talking computers are old hat today, in 1978, a talking toy like the Speak and Spell was the height of novel tech. [Kevin] found
a vintage one
, but it didn’t work. It looked like someone had plugged in the wrong power adapter, leading to, undoubtedly, one or more unhappy children. There was some damage that sugg... | 4 | 3 | [
{
"comment_id": "8165597",
"author": "dudefromthenorth",
"timestamp": "2025-08-19T05:15:11",
"content": "nice",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8165602",
"author": "Ftk",
"timestamp": "2025-08-19T05:55:34",
"content": "Authors that men... | 1,760,371,446.393606 |
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