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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2025/01/16/fighting-to-keep-bluetooth-thermometers-hackable/ | Fighting To Keep Bluetooth Thermometers Hackable | Tom Nardi | [
"Software Hacks"
] | [
"bluetooth low energy",
"custom firmware",
"thermometer",
"xiaomi"
] | Back in 2020, we first brought you word of the Xiaomi LYWSD03MMC — a Bluetooth Low Energy (BLE) temperature and humidity sensor that could be had from the usual sources for just a few dollars each. Capable of being powered by a single CR2032 battery for up to a year, the devices looked extremely promising for DIY smart... | 39 | 11 | [
{
"comment_id": "8083618",
"author": "Rust Cans",
"timestamp": "2025-01-16T12:25:26",
"content": "but it’s still better than the alternative.It’s not better than supporting the myriad of open source climate monitoring options available.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,666.784235 | ||
https://hackaday.com/2025/01/16/simple-hardware-store-hack-keeps-your-pcbs-right-where-you-want-them/ | Simple Hardware Store Hack Keeps Your PCBs Right Where You Want Them | Dan Maloney | [
"Tool Hacks"
] | [
"clamp",
"fixturing",
"jig",
"magnetic",
"pcb",
"vise",
"work holding"
] | Sometimes it’s the simplest hacks that make the biggest impact.
Take
these DIY magnetic PCB vises
for example. Sure, you can go out and buy purpose-built tools, but [Dylan Radcliffe] just made a trip to the hardware store for some nuts and bolts. He chose 3/8″-16 bolts, which would probably be around M10 for the rest o... | 30 | 18 | [
{
"comment_id": "8083562",
"author": "Jan",
"timestamp": "2025-01-16T09:25:09",
"content": "I find it funny that whenever a project is presented on Hackaday, there is always someone who thinks they can make a better version of it. Today I experienced that I didn’t need to wait for the comments but c... | 1,760,371,667.424604 | ||
https://hackaday.com/2025/01/15/piezo-buzzer-makes-a-drum/ | Piezo Buzzer Makes A Drum | Jenny List | [
"Musical Hacks",
"Parts"
] | [
"drum",
"piezo buzzer"
] | The humble piezo disc buzzer is much more than something that makes tinny beeps in retro electronic equipment, it can also be used as a sensor. Tapping a piezo buzzer gives an interesting waveform, with a voltage spike followed by an envelope, and then a negative rebound voltage. It’s something [Igor Brichkov] is using... | 6 | 6 | [
{
"comment_id": "8083523",
"author": "Andrew",
"timestamp": "2025-01-16T06:26:45",
"content": "Syntom lives again!http://davethompson.co.nz/syntom.htm",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8083532",
"author": "Chris",
"timestamp": "2025-01-16T... | 1,760,371,667.357776 | ||
https://hackaday.com/2025/01/15/a-direct-conversion-receiver-anyone-can-build/ | A Direct Conversion Receiver Anyone Can Build | Jenny List | [
"Radio Hacks"
] | [
"direct conversion",
"HF receiver"
] | A couple of years ago one of the Hackaday Prize finalists was a project to take highschoolers through building a direct conversion radio receiver for the 40 metre amateur band. It was originated by the SolderSmoke podcast, and we’re pleased to see that they’ve recently put up
an overview video taking the viewer through... | 28 | 5 | [
{
"comment_id": "8083484",
"author": "Paul",
"timestamp": "2025-01-16T03:48:05",
"content": "That variable inductor is not “permeability tuned” by the brass. The permeability of brass is pretty much the same as air, and changing the amount of brass inside the coil won’t change the permeability of ... | 1,760,371,666.855208 | ||
https://hackaday.com/2025/01/15/all-the-attacks-on-the-rp2350/ | All The Attacks On The RP2350 | Elliot Williams | [
"Microcontrollers",
"Raspberry Pi"
] | [
"chip glitching",
"raspberry pi",
"security"
] | Raspberry Pi’s new microcontroller, the RP2350, has a small section of memory that is meant for storing secrets. It’s protected by anti-glitching and other countermeasures, and the Raspberries wanted to test it. So this summer, they gave them out, pre-programmed with a secret string, as part of the badge for DEFCON att... | 30 | 10 | [
{
"comment_id": "8083460",
"author": "Grawp",
"timestamp": "2025-01-16T01:07:49",
"content": "Hopefully they now have enough of reasons to hurry up a new stepping. I do care about the secure storage but I care about fixing up that massive GPIO current leak infinite times more.",
"parent_id": nul... | 1,760,371,667.165618 | ||
https://hackaday.com/2025/01/15/forget-the-coax-wire-up-your-antennas-with-cat-6-cable/ | Forget The Coax, Wire Up Your Antennas With Cat 6 Cable | Dan Maloney | [
"Radio Hacks"
] | [
"balun",
"beverage",
"Cat 6",
"coaxial",
"combiner",
"feeedline",
"transimpedance",
"UTP"
] | These days, anything with copper in it is expensive. If you doubt that, a walk into any Home Depot electrical department, where the wire is locked up tighter than Fort Knox, will prove otherwise. Coaxial cable is a particularly expensive species, which is a pity for hams and other radio enthusiasts since it’s the only ... | 65 | 23 | [
{
"comment_id": "8083410",
"author": "David",
"timestamp": "2025-01-15T21:27:11",
"content": "Oh the irony: For some microwave-and-shorter applications, you put the radio and the antenna in the same place, then run CAT5/6 (plus power) back to the shack where your laptop is controlling the radio.Als... | 1,760,371,667.095971 | ||
https://hackaday.com/2025/01/14/new-frontiers-for-nissan-leaf-motor/ | New Frontiers For Nissan Leaf Motor And Battery | Bryan Cockfield | [
"Transportation Hacks"
] | [
"battery",
"conversion",
"drivetrain",
"frontier",
"Leaf",
"nissan",
"truck"
] | Nissan started off with a massive lead in the electric vehicle industry — their Leaf was the first mass-market EV available and the highest-selling EV until 2020. But the company has begun to lag behind other automotive manufacturers and their more diverse, modern offerings. As an example, the Leaf still doesn’t have a... | 9 | 7 | [
{
"comment_id": "8082741",
"author": "WonkoTheSaneUK",
"timestamp": "2025-01-14T09:45:26",
"content": "Nissan also repurpose “old” LEAF battery packs to run the parts-shuttling robots at their assembly plants.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "808... | 1,760,371,667.209094 | ||
https://hackaday.com/2025/01/13/homebrew-retro-console-runs-on-pic32/ | Homebrew Retro Console Runs On PIC32 | Lewin Day | [
"Games",
"Microcontrollers"
] | [
"console",
"emulator",
"game boy",
"microcontroller",
"pic32"
] | [Chad Burrow] decided to take on a noble task—building a “retro” style computer and video game console. Only, this one is built using somewhat modern hardware—relying on the grunt of the PIC32MZ2048EFH144 to get the job done. Meet the
Acolyte Hand PIC’d 32
.
It’s name might be a mouthful, but that chip can pull off som... | 9 | 4 | [
{
"comment_id": "8082693",
"author": "Joshua",
"timestamp": "2025-01-14T06:24:32",
"content": "Very well done, the sample games look promising! 😃👍That being said, I can’t help but have to mention to the laymen here that newer tech isn’t automatically “superior” to an 8/16-Bit game console from 80s... | 1,760,371,666.906255 | ||
https://hackaday.com/2025/01/13/selectively-magnetizing-an-anti-ferromagnet-with-terahertz-laser/ | Selectively Magnetizing An Anti-Ferromagnet With Terahertz Laser | Maya Posch | [
"Science"
] | [
"anti-ferromagnet",
"ferromagnetic"
] | It’s a well-known fact that anti-ferromagnetic materials are called that way because they cannot be magnetized, not even in the presence of a very strong external magnetic field. The randomized spin state is also linked with any vibrations (phonons) of the material, ensuring that there’s a very strong resistance to per... | 9 | 4 | [
{
"comment_id": "8082744",
"author": "paulvdh",
"timestamp": "2025-01-14T10:37:24",
"content": "One guy:This object can’t be destroyed with a hammer.Other guy:Finds a bigger hammer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8082758",
"author": "... | 1,760,371,666.992148 | ||
https://hackaday.com/2025/01/13/fluid-simulation-pendant-teaches-lessons-in-miniaturization/ | Fluid Simulation Pendant Teaches Lessons In Miniaturization | Dan Maloney | [
"LED Hacks",
"Misc Hacks"
] | [
"ADXL362",
"charlieplexing",
"fluid dynamics",
"jewelry",
"led",
"mcp73832",
"metalworking",
"simulation",
"stm32"
] | Some projects seem to take on a life of their own. You get an idea, design and prototype it, finally build the thing and — it’s good, but it’s not quite right. Back to the drawing board, version 2, still not perfect, lather, rinse, repeat. Pretty soon you look around to discover that you’ve built ten of them. Oops.
Tha... | 7 | 7 | [
{
"comment_id": "8082682",
"author": "Dylan Turner",
"timestamp": "2025-01-14T05:20:43",
"content": "This is some of the best PCB design I’ve ever seen. Truly masterful work. This thing is art",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8082762",
"autho... | 1,760,371,666.94713 | ||
https://hackaday.com/2025/01/13/electromechanical-7-segment-display-is-high-contrast-brilliance/ | Electromechanical 7-Segment Display Is High Contrast Brilliance | Lewin Day | [
"3d Printer hacks"
] | [
"flip-dot",
"seven segment",
"seven segment display"
] | The seven-segment display is most well known in LED form, but the concept isn’t tied to that format. You can build a seven-segment display out of moving parts, too. [tin-foil-hat] has achieved just that
with a remarkably elegant design.
As you might expect, the build relies heavily on 3D-printed components—produced in ... | 11 | 5 | [
{
"comment_id": "8082658",
"author": "Bob",
"timestamp": "2025-01-14T01:35:08",
"content": "so i watched this one. He stated that it was much easier to design a pcb that only pushed current in one direction, but had to do it twice for each segment. Is it really easier than using a bidirectional moto... | 1,760,371,667.471856 | ||
https://hackaday.com/2025/01/13/clever-pcbs-straighten-out-the-supercon-sao-badge/ | Clever PCBs Straighten Out The Supercon SAO Badge | Tom Nardi | [
"cons"
] | [
"badge",
"badgelife",
"sao",
"Simple Add-On",
"Supercon badge"
] | When we decided that Simple Add-Ons (SAOs) would be the focus of Supercon 2024, it was clear the badge would need to feature more than just one or two of the requisite connectors. We finally settled on six ports, but figuring out the geometry of getting all those ports on the badge in such a way that the SAOs wouldn’t ... | 0 | 0 | [] | 1,760,371,667.518644 | ||
https://hackaday.com/2025/01/13/raspberry-pi-hack-chat-with-eben-upton/ | Raspberry Pi Hack Chat With Eben Upton | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, January 15 at noon Pacific for the
Raspberry Pi Hack Chat
with Eben Upton!
The Hack Chat has been on an extended hiatus, but we’re back for 2025 and coming strong out of the gate! We’ve been trying to get Raspberry Pi co-founder and CEO Eben Upton on the chat for a while, but there was that whole ... | 18 | 8 | [
{
"comment_id": "8082600",
"author": "gr",
"timestamp": "2025-01-13T17:50:13",
"content": "That’s 17:00 UTC for those who don’t live in the Pacific.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8082651",
"author": "Mr Name Required",
"times... | 1,760,371,667.699754 | ||
https://hackaday.com/2025/01/14/repairing-a-real-and-broken-apollo-era-dsky/ | Repairing A Real (and Broken) Apollo-era DSKY | Maya Posch | [
"Repair Hacks",
"Space"
] | [
"apollo",
"DSKY"
] | Presumably the same DSKY unit installed in the simulator at MIT.
The Display/Keyboard unit – DSKY for short – is the primary way that Apollo-era astronauts communicated with the onboard computers. Not all DSKYs ended up in space, however, with the MIT hosting a simulator that features one of these units. Unfortunately ... | 6 | 5 | [
{
"comment_id": "8083115",
"author": "airinvestigator",
"timestamp": "2025-01-15T14:50:51",
"content": "Old school. 👍👍👍",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8083192",
"author": "make piece not war",
"timestamp": "2025-01-15T15:46:40",
... | 1,760,371,667.644154 | ||
https://hackaday.com/2025/01/14/head-to-head-servos-vs-steppers/ | Head To Head: Servos Vs Steppers | Al Williams | [
"Misc Hacks"
] | [
"motors",
"servo motors",
"stepper motors"
] | You have a project that needs something to move. Should you use a stepper motor or a servo motor? [Matthias]
has an opinion
, and you can hear his thoughts in the video below. One tip we’ll take away from the video: when working with motors, shoot some high-frame-rate video and slow it down to see what’s really happeni... | 12 | 2 | [
{
"comment_id": "8083030",
"author": "Daniel Dunn",
"timestamp": "2025-01-15T05:47:28",
"content": "For reasons I don’t understand, even somewhat expensive servos often use brushed motors and old school resistor and wiper potentiometers. A lot of them don’t specify any particular cycle life either.I... | 1,760,371,667.587605 | ||
https://hackaday.com/2025/01/14/audio-on-a-shoestring-diy-your-own-studio-grade-mic/ | Audio On A Shoestring: DIY Your Own Studio-Grade Mic | Heidi Ulrich | [
"News",
"PCB Hacks",
"Portable Audio Hacks",
"Reverse Engineering"
] | [
"audio",
"INA217",
"JL-2555",
"mic",
"microphone",
"Mike",
"THAT1512"
] | When it comes to DIY projects, nothing beats the thrill of crafting something that rivals expensive commercial products. In
the microphone build video below
, [Electronoobs] found himself inspired by DIY Perks earlier efforts. He took on the challenge of
building a $20 high-quality microphone
—a budget-friendly alterna... | 14 | 3 | [
{
"comment_id": "8082915",
"author": "brutek",
"timestamp": "2025-01-14T21:20:23",
"content": "Neat looking project. Any test data to back up claims of quality to the $500 microphone? I could not find any.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "80829... | 1,760,371,667.785767 | ||
https://hackaday.com/2025/01/14/hackaday-europe-2025-tickets-on-sale-and-cfp-extended-until-friday/ | Hackaday Europe 2025 Tickets On Sale, And CFP Extended Until Friday | Elliot Williams | [
"cons",
"Hackaday Columns",
"News",
"Slider"
] | [
"2025 Hackaday Europe",
"berlin",
"convention",
"hackaday europe",
"Supercon"
] | We’re opening up shop for Hackaday Europe,
so get your tickets now
! We’ve managed to get the ticket price down a bit this year, so you can join in all the fun for $145. And if you’re reading this right now, snap up one of the $75 early bird tickets as fast as you can.
Hackaday Europe is going down again in Berlin this... | 6 | 4 | [
{
"comment_id": "8082856",
"author": "CMH62",
"timestamp": "2025-01-14T18:50:26",
"content": "Wow … got an email about this and saw the article at the same time. And yes, as of 1:49 EST Jan 14, early bird tickets are still available 🤣",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,667.991004 | ||
https://hackaday.com/2025/01/14/procedurally-generated-terrain-in-openscad/ | Procedurally Generated Terrain In OpenSCAD | Tom Nardi | [
"Software Hacks"
] | [
"openscad",
"procedurally generated",
"terrain"
] | We’re big fans of OpenSCAD here at Hackaday — it’s free and open source software, runs on pretty much anything, and the idea of describing objects via code seems like a natural fit for producing functional parts. Rather than clicking and dragging elements on the screen, you can knock out a quick bracket or other simple... | 21 | 8 | [
{
"comment_id": "8082817",
"author": "Greg",
"timestamp": "2025-01-14T16:52:32",
"content": "It’s for minigurines, we all know it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8082818",
"author": "Joshua",
"timestamp": "2025-01-14T16:58:14",
"con... | 1,760,371,668.061002 | ||
https://hackaday.com/2025/01/14/the-many-leaning-towers-of-santos-brazil/ | The Many Leaning Towers Of Santos, Brazil | Lewin Day | [
"Engineering",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"brazil",
"building",
"engineering",
"santos"
] | If you’ve ever gazed at the shoreline of Santos, Brazil, and felt like something was tugging at your inner eye level, you’re not alone. In fact, you’ve spotted one of the world’s most bizarre architectural phenomena.
Santos is an interesting contradiction—it’s a sunny coastal city with pristine beaches that also plays ... | 55 | 20 | [
{
"comment_id": "8082794",
"author": "Mark",
"timestamp": "2025-01-14T15:40:47",
"content": "I think you are getting confused. Why would a hospital have nuclear fuel? I think you are talking about the radioactive source from a radio therapy machine. Still dangerous, but its not nuclear fuel from a r... | 1,760,371,668.16416 | ||
https://hackaday.com/2025/01/14/its-a-doughnut-in-hardware/ | It’s A Doughnut, In Hardware | Jenny List | [
"hardware"
] | [
"donut",
"ray tracing",
"tiny tapeout"
] | Making a physical doughnut is easy enough, given a good dough recipe and a nice hot deep fat fryer. But have you ever considered
making a one in physical electronic hardware, on an ASIC
? [A1k0n] has, at least in terms of making a virtual doughnut. It’s a hardware implementation of a ray tracer which renders a rotating... | 8 | 5 | [
{
"comment_id": "8082766",
"author": "Gravis",
"timestamp": "2025-01-14T13:48:12",
"content": "Amazing. As the summary implies, the real hack here is math behind the ASIC. Hats off to all the mathematicians that made this trigonometric feat possible!",
"parent_id": null,
"depth": 1,
"rep... | 1,760,371,667.936632 | ||
https://hackaday.com/2025/01/15/floss-weekly-episode-816-open-source-ai/ | FLOSS Weekly Episode 816: Open Source AI | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"FLOSS Weekly",
"FRRouting"
] | This week,
Jonathan Bennett
and
Aaron Newcomb
chat with
Simon Phipps
and
Stefano Maffulli
about Open Source AI. Why did we need a new definition? Has it been controversial? And why did OSI step into this particular conversation?
https://opensource.org/ai
Did you know you can watch the live recording of the show Right o... | 0 | 0 | [] | 1,760,371,668.208476 | ||
https://hackaday.com/2025/01/15/avian-inspired-drones-how-studying-birds-of-prey-brings-more-efficient-drones-closer/ | Avian-Inspired Drones: How Studying Birds Of Prey Brings More Efficient Drones Closer | Maya Posch | [
"drone hacks",
"Science"
] | [
"avian",
"drone"
] | The EPFL LisRaptor with adjustable wings and tail.
Throughout evolution, the concept of powered flight has evolved and refined itself multiple times across both dinosaurs (birds), mammals (bats) and insects. So why is it that our human-made flying machines are so unlike them? The field of nature-inspired flying drones ... | 17 | 7 | [
{
"comment_id": "8083294",
"author": "Paul A LeBlanc",
"timestamp": "2025-01-15T18:29:07",
"content": "Everyone knows Birds Aren’t Real – they’re just copying existing (and better) robots.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8083369",
"aut... | 1,760,371,668.275233 | ||
https://hackaday.com/2025/01/15/a-gameboy-speedometer-just-because-you-can/ | A Game Boy Speedometer, Just Because You Can | Heidi Ulrich | [
"car hacks",
"Nintendo Game Boy Hacks"
] | [
"can-bus",
"canbus",
"game boy",
"gameboy",
"nintendo",
"pcb",
"speedometer"
] | From a practical standpoint, [John] may be correct that his recent creation is the “world’s worst digital dash”, but we’re still oddly enamored with the idea of
using a Nintendo Game Boy as a digital speedometer
. Pulling it off meant interfacing the handheld with the vehicle’s CAN bus system, so whether you’re into re... | 10 | 2 | [
{
"comment_id": "8083243",
"author": "Jan",
"timestamp": "2025-01-15T16:37:33",
"content": "Much easier with a GPS module.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8083270",
"author": "Matt",
"timestamp": "2025-01-15T17:15:32",
... | 1,760,371,668.320073 | ||
https://hackaday.com/2025/01/15/no-ham-license-listen-anyway-in-your-browser/ | No Ham License? Listen Anyway In Your Browser | Al Williams | [
"Featured",
"internet hacks",
"Radio Hacks",
"Skills",
"Slider"
] | [
"brandmeister",
"dmr",
"ham radio"
] | Full disclosure: ham radio isn’t for everyone, and there are many different facets to it. What appeals to one person might bore another to death. One area of ham radio that has changed a lot in the last few years is more or less local and typically mobile operation on VHF or UHF. Not long ago, hams used HTs (walky-talk... | 53 | 16 | [
{
"comment_id": "8083133",
"author": "Moi",
"timestamp": "2025-01-15T15:05:12",
"content": "I don’t know in other countries, but in France, if you have no HAM licence, you can also buy HAM tranceiver to listen all bands (HAM or other), or use scanner all frequency. This is a goof thing.",
"paren... | 1,760,371,668.601977 | ||
https://hackaday.com/2025/01/15/using-the-esp8266-for-low-cost-fault-injection/ | Using The ESP8266 For Low-Cost Fault Injection | Tom Nardi | [
"Security Hacks",
"Tool Hacks"
] | [
"ESP8266",
"fault injection",
"voltage glitching"
] | As a general concept, fault injection is a technique that studies how a system reacts to unusual or unexpected external forces. The idea is that, if you can trigger a glitch at the precise moment, you might be able to use that to your advantage in disabling security features or otherwise gaining further access to the d... | 10 | 3 | [
{
"comment_id": "8083056",
"author": "Jan-Willem",
"timestamp": "2025-01-15T12:45:11",
"content": "I applaud [Aditya Patil] for creating his own fault injection circuit. This isn’t easy, and I’d be interested in what was managed to be glitched with this setup.The Github page explanation of the devic... | 1,760,371,668.728448 | ||
https://hackaday.com/2025/01/15/nice-pdf-but-can-it-run-doom-yup/ | Nice PDF, But Can It RunDOOM? Yup! | Donald Papp | [
"Games",
"Software Hacks"
] | [
"ASCII",
"doom",
"pdf"
] | DOOM
is a classic game to implement on a variety of platforms, but
doompdf
by [ading2210] is one we didn’t see coming. It runs a bit slow and controls are a little awkward but it does run. Entirely within a PDF file, at that.
How is this possible? PDFs are technically capable of much more than just displaying static co... | 13 | 7 | [
{
"comment_id": "8083047",
"author": "CJay",
"timestamp": "2025-01-15T09:45:49",
"content": "ISTR PDF is at it’s core Postscript which is, as the article states, a fully functional interpreted language so it’s not really a surprise that you can port Doom to it but it’s impressive all the same.",
... | 1,760,371,668.877298 | ||
https://hackaday.com/2025/01/14/turning-glados-into-ted-a-tale-of-a-talking-toy/ | Turning GLaDOS Into Ted: A Tale Of A Talking Toy | Heidi Ulrich | [
"Artificial Intelligence",
"Toy Hacks"
] | [
"ai",
"bear",
"ESP32",
"glados",
"robot",
"speech",
"touch"
] | What if your old, neglected toys could come to life — with a bit of sass? That’s exactly what [Binh] achieved when he
transformed his sister’s worn-out teddy bear into ‘Ted’
, an interactive talking plush with a personality of its own. This project, which combines the GLaDOS Personality Core project from the
Portal
ser... | 7 | 4 | [
{
"comment_id": "8083057",
"author": "bart",
"timestamp": "2025-01-15T12:59:23",
"content": "It’s called a furby…. so i has already been made into a toy. jeez, where was this guy living the last decades.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8083113... | 1,760,371,668.770018 | ||
https://hackaday.com/2025/01/13/how-nyan-cat-was-ported-to-uefi/ | How Nyan Cat Was Ported To UEFI | Lewin Day | [
"Misc Hacks"
] | [
"nyan",
"nyan cat",
"UEFI"
] | The Unified Extensible Firmware Interface (UEFI) took over from the classical BIOS some years into the new millenium. It’s typically used for running a computer at the basic pre-OS level, and most of us don’t even notice it past boot time. However, you can do some neat things in this space—
you can even port over Nyan ... | 13 | 8 | [
{
"comment_id": "8082598",
"author": "Duck Hunter",
"timestamp": "2025-01-13T17:29:22",
"content": "I consider UEFI a major security threat. My rig uses Gigabyte EP45-DS3L mobo and C2D E8400 CPU. It’s still more than enough to run web browser, gcc, CLISP (LISP intrerpreter for Windows), Red Faction ... | 1,760,371,668.821355 | ||
https://hackaday.com/2025/01/13/keebin-with-kristina-the-one-with-the-holey-and-wholly-expensive-keyboard/ | Keebin’ With Kristina: The One With The Holey And Wholly Expensive Keyboard | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"DCS windbreaker",
"flatiron building",
"Icebreaker keyboard",
"Sho SRX",
"UHK",
"ultimate hacking keyboard"
] | Image by [jwr] via
reddit
The Ultimate Hacking Keyboard (UHK) line is, as the name suggests, a great choice for a lot of people. They’re each a toe-dip into the ergonomic waters with their split-ability and those beginner thumb clusters.
However, [jwr] was not completely satisfied and
decided to make a custom set of ke... | 10 | 3 | [
{
"comment_id": "8082560",
"author": "JD",
"timestamp": "2025-01-13T15:08:37",
"content": "No disrespect, but why does this topic persist so much in comparison with others?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8082589",
"author": "KIM TAE",... | 1,760,371,668.936181 | ||
https://hackaday.com/2025/01/13/using-audio-hardware-to-drive-neopixels-super-fast/ | Using Audio Hardware To Drive Neopixels Super Fast | Lewin Day | [
"LED Hacks"
] | [
"ESP32",
"I2S",
"led"
] | Here’s the thing about running large strings of Neopixels—also known as WS2812 addressable LEDs. You need to truck out a ton of data, and fast. There are a dozen different libraries out there to drive them already, but [Zorxx] decided to strike out with a new technique—
using I2S hardware to get the job done.
Fast!
Mic... | 17 | 8 | [
{
"comment_id": "8082507",
"author": "Anders Nielsen",
"timestamp": "2025-01-13T12:38:58",
"content": "Uhm … whut?WS2812’s are afixedtime protocol. Either they update or they don’t – there’s no slow or fast – so all the “fps” stuff is exactly the same with any other driver. Even my 6502 updates WS28... | 1,760,371,668.997215 | ||
https://hackaday.com/2025/01/13/modern-ai-on-vintage-hardware-llama-2-runs-on-windows-98/ | Modern AI On Vintage Hardware: LLama 2 Runs On Windows 98 | Donald Papp | [
"Artificial Intelligence",
"Retrocomputing"
] | [
"ai",
"llama",
"LLM",
"local AI",
"vintage"
] | [EXO Labs] demonstrated something pretty striking: a modified version of
Llama 2 (a large language model) that runs on Windows 98
. Why? Because when it comes to personal computing, if something can run on Windows 98, it can run on anything. More to the point: if something can run on Windows 98 then it’s something no t... | 27 | 10 | [
{
"comment_id": "8082469",
"author": "Joshua",
"timestamp": "2025-01-13T10:42:38",
"content": "Hi, Windows 98SE still has a small community.There are things like VBE9x, KernelEx, unicows.dll and gdiplus.dll and the R. Loew Windows 98 Patches that keep Windows 98SE current.DirectX 9c and .Net Framewo... | 1,760,371,669.067084 | ||
https://hackaday.com/2025/01/12/custom-case-turns-steam-deck-into-portable-workstation/ | Custom Case Turns Steam Deck Into Portable Workstation | Donald Papp | [
"Cyberdecks"
] | [
"3d printed",
"cyberdeck",
"k380s",
"portable",
"steam deck"
] | DIY portable computing takes many forms, and doesn’t always require getting down and dirty with custom electronics. [Justinas Jakubovskis]’s
Steam Deck Play and Work case
demonstrates this with some really smart design features.
It’s primarily a carrying case for Valve’s Steam Deck portable PC gaming console, but the u... | 7 | 3 | [
{
"comment_id": "8082396",
"author": "Björn",
"timestamp": "2025-01-13T06:53:23",
"content": "This is one of the things “why didn’t I thought about that!”.Now I have got more ideas I can’t realize.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8082417",
"... | 1,760,371,669.259801 | ||
https://hackaday.com/2025/01/12/carnarvons-decommissioned-nasa-satellite-dish-back-in-service-after-40-years/ | Carnarvon’s Decommissioned NASA Satellite Dish Back In Service After 40 Years | Maya Posch | [
"History",
"Space"
] | [
"satellite tracking"
] | The OTC Station 29.8 meter dish at Carnarvon, Australia, in need of a bit of paint. (Credit:
ABC News Australia
)
Recently the 29.8 meter parabolic antenna at the Australian OTC (overseas telecommunications commission) station
came back to life again
after nearly forty years spent in decommissioning limbo.
This parabol... | 35 | 15 | [
{
"comment_id": "8082371",
"author": "Brian",
"timestamp": "2025-01-13T03:24:36",
"content": "So, uh… Not sure if this is a Freudian slip or not, but it’s not ThotX, but ThothX… That first one will likely lead to some interesting search results.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,371,669.137509 | ||
https://hackaday.com/2025/01/12/hackaday-links-january-12-2025/ | Hackaday Links: January 12, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"amateur radio",
"atlas",
"aviation",
"california",
"drone",
"enforcement",
"fcc",
"fire",
"firestorm",
"hackaday links",
"ham",
"interactive",
"jpl",
"lab coat",
"pasadena",
"space",
"Super Scooper",
"WheelChair"
] | The big news story of the week of course has been the wildfires in California, which as of Saturday have burned over 30,000 acres, destroyed 12,000 structures, caused 150,000 people to evacuate, and killed eleven people. Actually, calling them wildfires underplays the situation a bit because there are places where they... | 5 | 3 | [
{
"comment_id": "8082359",
"author": "Ostracus",
"timestamp": "2025-01-13T01:25:00",
"content": "Assume drone wasn’t media. A favorite tool of theirs.Good video explaining why the hydrants ran dry.https://youtu.be/T6_F3iVUh6A",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,371,669.214692 | ||
https://hackaday.com/2025/01/11/ifixit-releases-command-line-docs-for-fixhub-iron/ | IFixit Releases Command Line Docs For FixHub Iron | Tom Nardi | [
"Tool Hacks"
] | [
"command line interface",
"documentation",
"FixHub",
"ifixit",
"soldering station"
] | When we reviewed the iFixit FixHub back in September, one of the most interesting features of the portable soldering station was the command line interface that both the iron and the base station offered up once you connected to them via USB. While this feature wasn’t documented anywhere, it made a degree of a sense, a... | 16 | 7 | [
{
"comment_id": "8081942",
"author": "rasz_pl",
"timestamp": "2025-01-12T02:08:53",
"content": "Did iFixit fix it yet? or is it still as broken as when EEVblog tested ithttps://www.eevblog.com/forum/blog/eevblog-1646-ifixit-fixhub-portable-usb-soldering-station-review/and couldnt get more than 40W o... | 1,760,371,669.445052 | ||
https://hackaday.com/2025/01/11/blinkenlights-first-retrocomputer-design/ | Blinkenlights-First Retrocomputer Design | Elliot Williams | [
"computer hacks",
"LED Hacks"
] | [
"blinkenlights",
"front panel",
"retrocomputing"
] | [Boz] wants to build a retrocomputer, but where to start? You
could
start with the computery bits, like say the CPU or the bus architecture, but where’s the fun in that?
Instead, [Boz] built a righteous blinkenlights array
.
What’s cool about this display is that it’s ready to go out of the box. All of the LEDs are rev... | 10 | 6 | [
{
"comment_id": "8081842",
"author": "Antron Argaiv",
"timestamp": "2025-01-11T21:16:44",
"content": "Thinking Machines homage! There’s one (not powered, sadly) at the NSA Museum in Virginia. ALL the blinkenlights!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,371,669.333386 | ||
https://hackaday.com/2025/01/11/in-praise-of-simple-projects-2/ | In Praise Of Simple Projects | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"beginner projects",
"learning",
"newsletter"
] | Hackaday was at Chaos Communication Congress last week, and it’s one of those big hacker events that leaves you with so much to think about that I’m still processing it. Just for scope, the 38th CCC is a hacker event with about 15,000 attendees from all around Europe, and many from even further. If I were to characteri... | 34 | 14 | [
{
"comment_id": "8081779",
"author": "Carl Breen",
"timestamp": "2025-01-11T18:05:31",
"content": "how it is possible to have this many hackers who haven’t picked up a soldering ironI would say you experience if you enjoy soldering vastly depends on how good your iron, station, tips and solder are. ... | 1,760,371,669.816726 | ||
https://hackaday.com/2025/01/11/comparing-ways-to-add-threads-to-your-3d-prints/ | Comparing Ways To Add Threads To Your 3D Prints | Maya Posch | [
"3d Printer hacks"
] | [
"printed threads",
"threaded inserts"
] | Adding threads to your 3D prints is a life-changing feature, but obviously there are a lot of trade-offs and considerations when deciding on how to go about this exactly. Between self-tapping screws, printed threads, heat inserts and a dozen other options it can be tough to decide what to go with. In a recent video [Th... | 33 | 14 | [
{
"comment_id": "8081728",
"author": "ooooooooooo",
"timestamp": "2025-01-11T15:35:55",
"content": "Me unga bunga caveman. Me cut small hole and use regular M3 screws as redneck self tappers. Ug print many things like this",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,371,669.601949 | ||
https://hackaday.com/2025/01/11/embedding-lenticular-lenses-into-3d-prints/ | Embedding Lenticular Lenses Into 3D Prints | Donald Papp | [
"Art"
] | [
"3d printed",
"lenticular",
"polyjet"
] | A research project shows that it’s possible to
create complex single-piece lenticular objects
, or objects that have lenticular lenses built directly into them. The result is a thing whose appearance depends on the viewer’s viewpoint. The object in the image above, for example, is the same object from five different an... | 11 | 5 | [
{
"comment_id": "8081763",
"author": "mew.cx",
"timestamp": "2025-01-11T17:22:04",
"content": "this is wonderful! def enabling tech for lightfield displays, like my nascent ProjectAzide on GitHub",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8085370",
... | 1,760,371,669.655982 | ||
https://hackaday.com/2025/01/11/tactility-the-esp32-gets-another-os/ | Tactility; The ESP32 Gets Another OS | Jenny List | [
"Microcontrollers",
"Software Hacks"
] | [
"ESP32",
"operating system",
"tactility"
] | Doing the rounds this week is a new operating system for ESP32 microcontrollers, it’s called
Tactility
, and it comes from [Ken Van Hoeylandt]. It provides a basic operating system level with the ability to run apps from an SD card, and it has the choice of a headless version or an LVGL-based touch UI.
Supported device... | 12 | 7 | [
{
"comment_id": "8081675",
"author": "Thomas Anderson",
"timestamp": "2025-01-11T10:54:32",
"content": "Really cool, it all depends on if it catches on and people make apps for it. Seems pretty well thought out at the moment.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,371,669.533186 | ||
https://hackaday.com/2025/01/10/aa-battery-performances-tested-so-get-the-most-for-your-money/ | AA Battery Performances Tested, So Get The Most For Your Money | Donald Papp | [
"Battery Hacks",
"Reviews"
] | [
"aa",
"battery",
"price",
"testing"
] | [Project Farm] has a video in which a
wide variety of AA cells are analyzed and compared
in terms of capacity, internal resistance, ability to deliver voltage under load, and ability to perform in sub-freezing temperatures. Alkaline, lithium, and even some mature rechargeable cells with a couple thousand cycles under t... | 39 | 10 | [
{
"comment_id": "8081634",
"author": "ian 42",
"timestamp": "2025-01-11T06:13:39",
"content": "18650’s are even more variable… Probably more outright fakes as well..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8081641",
"author": "Nathan",
... | 1,760,371,669.902864 | ||
https://hackaday.com/2025/01/12/gaming-table-has-lights-action/ | Gaming Table Has Lights, Action | Al Williams | [
"Games"
] | [
"Dungeons and Dragons",
"ESP-Now",
"ESP32",
"gaming table"
] | We couldn’t decide if [‘s] Dungeons and Dragons
gaming table
was a woodworking project with some electronics or an electronics project with some woodworking. Either way, it looks like a lot of fun.
Some of the features are just for atmosphere. For example, the game master can set mood lighting. Presets can have a parti... | 2 | 2 | [
{
"comment_id": "8082366",
"author": "Jack Dansen",
"timestamp": "2025-01-13T02:58:48",
"content": "This looks really cool. I’m definitely gonna check out the screen message thing for my next upgrade. I recently built and documented an initiative tracker project that uses one of those little compu... | 1,760,371,669.93783 | ||
https://hackaday.com/2025/01/12/usagis-pdp-11-supercomputer-and-appeal-for-floating-point-systems-info/ | Usagi’s PDP-11 Supercomputer And Appeal For Floating Point Systems Info | Maya Posch | [
"Retrocomputing"
] | [
"DEC PDP-11",
"MIMD",
"PDP-11/44"
] | With an exciting new year of retrocomputing ahead for [David Lovett] over at the
Usagi Electric
YouTube channel,
recently some new hardware arrived at the farm
. Specifically hardware from a company called
Floating Point Systems
(FPS), whose systems provide computing features to assist e.g. a minicomputer like [David]’... | 22 | 9 | [
{
"comment_id": "8082071",
"author": "Tomsz",
"timestamp": "2025-01-12T18:54:51",
"content": "12 Mflops? Is that downhill with a tail wind? A Ryzen 9950 will do 560 Giga flops.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8082074",
"author": "TG"... | 1,760,371,669.996762 | ||
https://hackaday.com/2025/01/12/second-cnc-machine-is-twice-as-nice/ | Second CNC Machine Is Twice As Nice | Elliot Williams | [
"cnc hacks"
] | [
"build",
"CNC machine",
"fluidnc"
] | [Cody Lammer] built a sweet CNC router. But as always, when you build a “thing”, you inevitably figure out how to build a better “thing” in the process, so here we are with
Cody’s CNC machine v2.0
. And it looks like CNC v1.0 was no slouch, so there’s no shortage of custom milled aluminum here.
The standout detail of t... | 10 | 6 | [
{
"comment_id": "8082045",
"author": "Paul",
"timestamp": "2025-01-12T15:36:23",
"content": "That’s a link to a video, which itself has no link to the project. It would be really nice to have more info. Is there any repo of real information on this somewhere?",
"parent_id": null,
"depth": ... | 1,760,371,670.0935 | ||
https://hackaday.com/2025/01/12/fraens-new-loom-and-the-limits-of-3d-printing/ | Fraens’ New Loom And The Limits Of 3D Printing | Elliot Williams | [
"3d Printer hacks",
"Misc Hacks"
] | [
"3d printing",
"design",
"loom",
"mechanical",
"model",
"weaving"
] | [Fraens] has been re-making industrial machines in fantastic 3D-printable versions for a few years now, and we’ve loved watching his creations get progressively more intricate. But with
this nearly completely 3D-printable needle loom
, he’s pushing right up against the edge of the possible.
The needle loom is a lot lik... | 8 | 4 | [
{
"comment_id": "8082061",
"author": "IIVQ",
"timestamp": "2025-01-12T17:41:09",
"content": "That is really cool! I love visiting industrial musea and looms and other textile machines are amongst the most complex machines to see and understand.However, there is a LOT of wear going on in all those re... | 1,760,371,670.046673 | ||
https://hackaday.com/2025/01/12/its-a-bench-but-its-not-benchy/ | It’s A Bench, But It’s Not Benchy | Jenny List | [
"3d Printer hacks"
] | [
"Benchy",
"boaty",
"Stress test"
] | Whatever the nuances are surrounding the reported taking down of remixes derived from the famous Benchy 3D printer stress test, it was inevitable that in its aftermath there would be competing stress tests appear under more permissive licensing. And so it has come to pass, in the form of [Depep1]’s
Boaty, a model that’... | 27 | 10 | [
{
"comment_id": "8081998",
"author": "Jonathan Wilson",
"timestamp": "2025-01-12T09:29:18",
"content": "My understanding is that the original 3D model was released under a Creative Commons no-derivatives license and that the removals are not because the copyright holder of the original 3D model has ... | 1,760,371,670.158098 | ||
https://hackaday.com/2025/01/11/bad-apple-but-its-6500-regex-searches-in-vim/ | Bad Apple But It’s 6,500 Regex Searches In Vim | Maya Posch | [
"Software Hacks"
] | [
"bad apple",
"regex",
"vim"
] | In the world of showing off, there is alongside ‘Does it play Doom?’ that other classic of ‘Does it play Bad Apple?’. Whereas either would be quaint in the context of the Vim editor, this didn’t deter [Nolen Royalty] from
making Vim play the Bad Apple video
. As this is a purely black and white video, this means that i... | 7 | 3 | [
{
"comment_id": "8082056",
"author": "TG",
"timestamp": "2025-01-12T17:29:13",
"content": "Sometimes I idly wonder what it would be like to be a person who knows absolutely anything about Touhou project",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8082089"... | 1,760,371,670.200074 | ||
https://hackaday.com/2025/01/11/retrotechtacular-the-1951-telephone-selector/ | Retrotechtacular: The 1951 Telephone Selector | Al Williams | [
"Retrotechtacular",
"Slider"
] | [
"bell",
"dial phone",
"telephone"
] | Telephone systems predate the use of cheap computers and electronic switches. Yesterday’s phone system used lots of stepping relays in a box known as a “selector.” If you worked for the phone company around 1951, you might have seen the
Bell System training film
shown below that covers 197 selectors.
The relays are not... | 20 | 11 | [
{
"comment_id": "8081956",
"author": "Sok Puppette",
"timestamp": "2025-01-12T03:20:22",
"content": "I believe step by step starts with this guy:https://en.wikipedia.org/wiki/Almon_Brown_Strowger",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8081958",
... | 1,760,371,670.259816 | ||
https://hackaday.com/2025/01/10/the-engineer-behind-mine-detection/ | The Engineer Behind Mine Detection | Al Williams | [
"History",
"Tool Hacks"
] | [
"Inventor",
"metal detector",
"mine detector",
"world war 2"
] | According to [Joanna Goodrich] in
IEEE Spectrum
, prior to World War II, soldiers who wanted to find land mines, simply poked at the ground with pointed sticks or bayonets. As you might expect, this wasn’t very safe or reliable. In 1941, a Polish signals officer, [Józef Stanislaw Kosacki], escaped to Britain and creat... | 8 | 5 | [
{
"comment_id": "8081620",
"author": "BobH",
"timestamp": "2025-01-11T04:48:02",
"content": "While land mines aren’t as common for most people as FM radios,That may be, but I doubt many people have been killed by FM radios :)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,670.307358 | ||
https://hackaday.com/2025/01/10/springs-and-things-make-for-a-unique-timepiece/ | Springs And Things Make For A Unique Timepiece | Dan Maloney | [
"clock hacks"
] | [
"cam",
"clock",
"follower",
"hair tie",
"spring"
] | You never know when inspiration is going to strike, and for [Ekaggrat Singh Kalsi], it struck while he was playing with one of his daughter’s hair ties. The result is
a clock called “Bezicron”
and it’s a fascinating study in mechanical ingenuity.
The hair ties in question are simple objects, just a loose polymer coil s... | 10 | 5 | [
{
"comment_id": "8081583",
"author": "Hirudinea",
"timestamp": "2025-01-11T00:52:06",
"content": "Very clever, might look nice with EL wire, but still very clever. Also does the multicam view from above around 20 seconds in look like an octopus making taffy or is it just me?",
"parent_id": null,... | 1,760,371,670.366746 | ||
https://hackaday.com/2025/01/10/bit-banging-the-usb-pd-protocol/ | Bit-Banging The USB-PD Protocol | Bryan Cockfield | [
"Peripherals Hacks"
] | [
"bit bang",
"ch224k",
"ESP32",
"pcb",
"power delivery",
"USB-PD"
] | For one-off projects, adding a few integrated circuits to a PCB is not too big of a deal. The price of transistors is extremely low thanks to Moore and his laws, so we’re fairly free to throw chips around like peanuts. But for extremely space-constrained projects, huge production runs, or for engineering challenges, ev... | 14 | 6 | [
{
"comment_id": "8081548",
"author": "Tim McNerney",
"timestamp": "2025-01-10T21:51:15",
"content": "This comment is intended to start adiscussionrather than to criticize anyone, and especially not the project’s author, who, on the contrary,deserves praisefor doing so much diligent research, and the... | 1,760,371,672.114924 | ||
https://hackaday.com/2025/01/10/life-without-limits-a-blind-makers-take-on-3d-printing/ | Life Without Limits: A Blind Maker’s Take On 3D Printing | Heidi Ulrich | [
"3d Printer hacks"
] | [
"3d printing",
"blind",
"blindness",
"cad",
"openscad",
"text-based",
"text-based modeling",
"visual impairment",
"visually impaired"
] | In the world of creation, few stories inspire as much as [Mrblindguardian], a 33-year-old who has been blind since the age of two, but refuses to let that hold him back. Using OpenSCAD and a 3D printer,
[Mrblindguardian] designs and prints models independently
, relying on speech software and touch to bring his ideas t... | 5 | 3 | [
{
"comment_id": "8081531",
"author": "Carl Breen",
"timestamp": "2025-01-10T20:07:34",
"content": "Direct link to video:[https://www.reddit.com/link/1hrr8nu/video/n88yhbdpakae1/player]",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8081563",
"author": "lig... | 1,760,371,672.276283 | ||
https://hackaday.com/2025/01/10/hackaday-podcast-episode-303-the-cheap-yellow-display-self-driving-under-1000-and-dont-remix-that-benchy/ | Hackaday Podcast Episode 303: The Cheap Yellow Display, Self-Driving Under $1000, And Don’t Remix That Benchy | Jenny List | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | As the holiday party season fades away into memory and we get into the swing of the new year, Elliot Williams is joined on the Hackaday Podcast by Jenny List for a roundup of what’s cool in the world of Hackaday. In the news this week, who read the small print and noticed that Benchy has a non-commercial licence? As th... | 1 | 1 | [
{
"comment_id": "8081506",
"author": "Elliot Williams",
"timestamp": "2025-01-10T17:56:23",
"content": "Hey folks! There was some problem at Libsyn, our podcast syndicator, but it looks like it’s resolved. If you still haven’t received your podcast this week, let us know.(Or just download it yours... | 1,760,371,671.990813 | ||
https://hackaday.com/2025/01/10/serenityos-on-real-hardware/ | SerenityOS On Real Hardware | Jenny List | [
"computer hacks"
] | [
"chromebook",
"SerenityOS"
] | One of the problems facing any developer working on their own operating system is that of hardware support. With many thousands of peripherals and components that can be found in a modern computer, keeping up requires either the commercial resources of Microsoft or the huge community of Linux.
For a small project such ... | 8 | 2 | [
{
"comment_id": "8081507",
"author": "kołtun",
"timestamp": "2025-01-10T17:59:17",
"content": "I want one. All in all, I don’t see a problem with it being one piece of equipment.I’ve been advocating for years that Linux should do that too. Picked one hardware, e.g. old IBM laptops (no chines) and op... | 1,760,371,671.942282 | ||
https://hackaday.com/2025/01/10/this-week-in-security-backdoored-backdoors-leaking-cameras-and-the-safety-label/ | This Week In Security: Backdoored Backdoors, Leaking Cameras, And The Safety Label | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"Backdoors",
"IoT",
"This Week in Security"
] | The mad lads at watchTowr are back with their unique blend of zany humor and impressive security research. And this time, it’s
the curious case of backdoors within popular backdoors
, and the list of unclaimed domains that malicious software would just love to contact.
OK, that needs some explanation. We’re mainly talk... | 3 | 2 | [
{
"comment_id": "8081475",
"author": "Maave",
"timestamp": "2025-01-10T15:59:08",
"content": "Fun domain takeover for those backdoors. RATs and crypters are commonly backdoored as well. I remember one that would wait days or weeks before activating in order to fool the buyer. But I imagine desktop i... | 1,760,371,672.054513 | ||
https://hackaday.com/2025/01/09/writing-a-risc-v-os-from-scratch/ | Writing A RISC-V OS From Scratch | Al Williams | [
"Software Development"
] | [
"operating system",
"RISC-V"
] | If you read Japanese, you might have seen the book “
Design and Implementation of Microkernels
” by [Seiya Nuda]. An appendix covers how to write your own operating system for RISC-V in about 1,000 lines of code. Don’t speak Japanese? An
English version
is available free on the Web and on
GitHub
.
The author points out... | 15 | 4 | [
{
"comment_id": "8080977",
"author": "asheets",
"timestamp": "2025-01-09T17:58:51",
"content": "“Truthfully, you probably won’t want to use this for a production project…”Honestly, somebody will attempt to do so anyway.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,371,672.233289 | ||
https://hackaday.com/2025/01/09/physical-media-is-dead-long-live-physical-media/ | Physical Media Is Dead, Long Live Physical Media | Maya Posch | [
"Featured",
"Interest",
"Rants",
"Slider"
] | [] | Much has been written about the demise of physical media. Long considered the measure of technological progress in audiovisual and computing fields, the 2000s saw this metric seemingly rendered obsolete by the rise of online audiovisual and software distribution services. This has brought us to a period in time where t... | 132 | 46 | [
{
"comment_id": "8080874",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2025-01-09T15:06:35",
"content": "I’m not shedding tears over the loss of Blu-Ray.$ony sucks!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8080877",
"author":... | 1,760,371,672.800168 | ||
https://hackaday.com/2025/01/09/3dbenchy-starts-enforcing-its-no-derivatives-license/ | 3DBenchy Starts Enforcing Its No Derivatives License | Maya Posch | [
"News"
] | [
"3dbenchy",
"Benchy",
"creative commons",
"licensing"
] | [Editor’s note: A few days later, it looks now like Prusa pulled the models of their own accord, because of
their
interpretation of the copyright law. Creative Tools and NTI claim that they were not involved.]
Nobody likes reading the fine print, least of all when you’re just downloading some 3D model. While printing a... | 105 | 42 | [
{
"comment_id": "8080816",
"author": "Bastet",
"timestamp": "2025-01-09T12:05:22",
"content": "In before 3DFreechy.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8080966",
"author": "Weasel",
"timestamp": "2025-01-09T17:21:06",
"cont... | 1,760,371,672.518684 | ||
https://hackaday.com/2025/01/09/all-band-receiver-lets-you-listen-to-all-the-radio-at-once/ | All-Band Receiver Lets You Listen To All The Radio At Once | Dan Maloney | [
"Radio Hacks"
] | [
"air traffic control",
"all-band",
"atc",
"aviation",
"detector",
"modulation",
"radio",
"receiver",
"schottky"
] | There are many ways to build a radio receiver, but most have a few things in common, such as oscillators, tuned circuits, detectors, mixers, and amplifiers. Put those together in the right order and you’ve got a receiver ready to tune in whatever you want to listen to. But if you don’t really care about tuning and want... | 52 | 24 | [
{
"comment_id": "8080797",
"author": "Then",
"timestamp": "2025-01-09T09:31:42",
"content": "LM386 does this sorta on its own sometimes",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8080811",
"author": "CJay",
"timestamp": "2025-01-09T11:31:... | 1,760,371,672.605881 | ||
https://hackaday.com/2025/01/08/retro-big-iron-for-you/ | Retro Big Iron For You | Al Williams | [
"Retrocomputing"
] | [
"ibm",
"mainframe",
"retrocomputing"
] | Many of us used “big iron” back in the day. Computers like the IBM S/360 or 3090 are hard to find, transport, and operate, so you don’t see many retrocomputer enthusiasts with an S/370 in their garages. We’ve known for a while that the Hercules emulators would let you run virtual copies of these old mainframes, but eve... | 30 | 15 | [
{
"comment_id": "8080780",
"author": "gregg4",
"timestamp": "2025-01-09T07:16:03",
"content": "As it happens I already do that. Typically running a (prebuilt) VM/370 Release 6 setup on Hercules, and typically running it inside a WSL defined image of Slackware Linux, and using an IBM terminal emulato... | 1,760,371,672.180581 | ||
https://hackaday.com/2025/01/08/a-street-for-every-date/ | A Street For Every Date | Jenny List | [
"Transportation Hacks"
] | [
"autorouting",
"maps",
"routing",
"street names"
] | Different cultures have their own conventions for naming locations, for example in the United Kingdom there are plenty of places named for monarchs, while in many other countries there are not. An aspect of this fascinated [Ben Ashforth], who decided to find all the streets in Europe named after auspicious dates, and t... | 6 | 4 | [
{
"comment_id": "8080794",
"author": "Zamorano",
"timestamp": "2025-01-09T08:47:16",
"content": "Impressive! Data processing, planning and executionandthe presentation. Genius!Btw I cheated and watched at 0.75x.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8... | 1,760,371,672.844012 | ||
https://hackaday.com/2025/01/08/try-a-pwmpot/ | Try A PWMPot | Al Williams | [
"Misc Hacks"
] | [
"digital potentiometer",
"pwm"
] | [Stephen Woodward] is familiar with digital potentiometers but is also familiar with their limitations. That spurred him to create the
PWMPot
which performs a similar function, but with better features than a traditional digital pot. Of course, he admits that this design has some limitations of its own, so — as usual —... | 15 | 4 | [
{
"comment_id": "8080751",
"author": "Gravis",
"timestamp": "2025-01-09T03:06:43",
"content": "Interesting. I found a different approach which uses an opamp via stackexchange:https://arduino.stackexchange.com/questions/1844/how-to-emulate-an-analog-potentiometer-with-pwm/13850#13850Both seem to need... | 1,760,371,672.896941 | ||
https://hackaday.com/2025/01/10/risc-v-microcontroller-lights-up-synth-with-led-level-meter/ | RISC-V Microcontroller Lights Up Synth With LED Level Meter | Dan Maloney | [
"Microcontrollers"
] | [
"audio",
"CH32V003",
"level",
"lm3914",
"lm3915",
"RISC-V",
"synth",
"VU meter"
] | The LM3914 LED bar graph driver was an amazing chip back in the day. Along with the LM3915, its logarithmic cousin, these chips gave a modern look to projects, allowing dancing LEDs to stand in for a moving coil meter. But time wore on and the chips got harder to find and even harder to fit into modern projects, what w... | 8 | 4 | [
{
"comment_id": "8081445",
"author": "Panondorf",
"timestamp": "2025-01-10T14:31:30",
"content": "“harder to fit into modern projects, what with their giant DIP-18 footprint. ”Young Me: Yah, I know I need to upgrade to SMD but I already have loads of old through-hole parts waiting to go into project... | 1,760,371,672.939733 | ||
https://hackaday.com/2025/01/10/a-low-effort-low-energy-doorbell/ | A Low Effort, Low Energy Doorbell | Al Williams | [
"Microcontrollers",
"Wireless Hacks"
] | [
"ble",
"bluetooth",
"doorbell"
] | Bluetooth is a good way to connect devices that are near each other. However, it can drain batteries which is one reason Bluetooth Low Energy — BLE — exists. [Drmph] shows how easy it is to deploy BLE to make, in this case,
a doorbell
. He even shows how you can refit an existing doorbell to use the newer technology.
L... | 19 | 6 | [
{
"comment_id": "8081351",
"author": "Bob the builder",
"timestamp": "2025-01-10T09:12:50",
"content": "“Cheap doorbells tend to ring spuriously due to interference”Yes. I bought one from the Lidl many years ago. It lasted a week. It kept ringing at random times but no one was ever at the door. Afte... | 1,760,371,673.184944 | ||
https://hackaday.com/2025/01/09/its-ip-over-toslink/ | It’s IP, Over TOSLINK! | Jenny List | [
"Network Hacks"
] | [
"ip",
"network",
"toslink"
] | At the recent 38C3 conference in Germany, someone gave a talk about sending TOSLINK digital audio over fiber optic networks rather than the very low-end short distance fibre you’ll find behind your CD player. This gave [Manawyrm] some ideas, so of course
the IP-over TOSLINK network was born
.
TOSLINK is in effect I
2
S... | 19 | 9 | [
{
"comment_id": "8081327",
"author": "pelrun",
"timestamp": "2025-01-10T07:39:51",
"content": "That’s horrendous, I love it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8081330",
"author": "Olliver",
"timestamp": "2025-01-10T07:48:49",
... | 1,760,371,673.132124 | ||
https://hackaday.com/2025/01/09/engineering-lessons-from-the-super-kamiokande-neutrino-observatory-failure/ | Engineering Lessons From The Super-Kamiokande Neutrino Observatory Failure | Dan Maloney | [
"Science"
] | [
"cascade",
"engineering",
"implosion",
"neutrino",
"photomultiplier",
"PM",
"science",
"shock wave"
] | Every engineer is going to have a bad day, but only an unlucky few will have a day so bad that it registers on a seismometer.
We’ve always had a morbid fascination with engineering mega-failures, few of which escape our attention. But we’d never heard of
the Super-Kamiokande neutrino detector implosion
until stumbling ... | 48 | 23 | [
{
"comment_id": "8081225",
"author": "David",
"timestamp": "2025-01-10T03:25:02",
"content": "Insert “series of tubes” and “they should’ve used transistors” jokes here.—On a serious note, high-cost engineering failures like this need to be studied so they don’t happen again.",
"parent_id": null,... | 1,760,371,673.077297 | ||
https://hackaday.com/2025/01/09/sheet-metal-forming-with-3d-printed-dies/ | Sheet Metal Forming With 3D Printed Dies | Maya Posch | [
"3d Printer hacks"
] | [
"FDM",
"hydraulic press",
"sheet metal"
] | Sheet metal is very easy to form, including the pressing in of intricate shapes with dies and a hydraulic press, but the dies themselves are slightly harder to come by. What if we could 3D print custom dies to stamp logos and more into sheet metal? This is the premise of
a recent video by the
Stick Shift Garage
channel... | 16 | 8 | [
{
"comment_id": "8081148",
"author": "Reg",
"timestamp": "2025-01-10T00:10:57",
"content": "If the PLA is used to make a mold for a plaster pattern for casting zinc alloy dies, many thousands can be made from a single die. The printer sidesteps the WW II wooden pattern making. Such dies would make... | 1,760,371,672.993975 | ||
https://hackaday.com/2025/01/09/toner-transfer-but-not-for-pcbs/ | Toner Transfer, But Not For PCBs | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"toner transfer"
] | It is old news that you can print PCB artwork on glossy paper and use a clothes iron to transfer the toner to a copper board, which will resist etchant. But [Squalius] shows us how to
do a similar trick
with 3D prints in a recent video, which you can see below.
The example used is a QR code, although you can use anythi... | 16 | 10 | [
{
"comment_id": "8081073",
"author": "aleksclark",
"timestamp": "2025-01-09T21:03:02",
"content": "didn’t we just see this? Also, what got me thinking was: “you can use anything you can print in a mirror image” – what CAN’T you print in a mirror image?",
"parent_id": null,
"depth": 1,
"r... | 1,760,371,673.292496 | ||
https://hackaday.com/2025/01/09/retrotechtacular-soldering-the-tek-way/ | Retrotechtacular: Soldering The Tek Way | Dan Maloney | [
"Retrotechtacular",
"Slider",
"Tool Hacks"
] | [
"assembly",
"desoldering",
"eutectic",
"flux",
"pcb",
"retrotechtacular",
"soldering",
"Tek",
"tektronix",
"through hole",
"tinning"
] | For a lot of us, soldering just seems to come naturally. But if we’re being honest, none of us was born with a soldering iron in our hand — ouch! — and if we’re good at soldering now, it’s only thanks to good habits and long practice. But what if you’re a company that lives and dies by the quality of the solder joints ... | 40 | 15 | [
{
"comment_id": "8081036",
"author": "Joey",
"timestamp": "2025-01-09T19:58:30",
"content": "Love to see old videos like this especially when the practices still apply today.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8081039",
"author": "QBFreak",
... | 1,760,371,673.445164 | ||
https://hackaday.com/2025/01/08/38c3-its-toslink-over-long-distance-fibre/ | 38C3: It’s TOSLINK, Over Long Distance Fibre | Jenny List | [
"Network Hacks"
] | [
"fiber",
"Fibre",
"sfp",
"toslink"
] | If you’ve owned a CD player or other piece of consumer digital audio gear manufactured since the 1980s, the chances are it has a TOSLINK port on the back. This is a fairly simple interface that sends
I
2
S
S/PDIF digital audio data down a short length of optical fibre, and it’s designed to run between something like a ... | 12 | 6 | [
{
"comment_id": "8080685",
"author": "Jan",
"timestamp": "2025-01-08T21:36:42",
"content": "Why? Becauseyou can?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8080694",
"author": "Cogidubnus Rex",
"timestamp": "2025-01-08T22:01:17",
... | 1,760,371,673.501436 | ||
https://hackaday.com/2025/01/08/floss-weekly-episode-815-you-win-some-you-lose-some/ | FLOSS Weekly Episode 815: You Win Some, You Lose Some | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"FLOSS Weekly",
"FRRouting"
] | This week,
Jonathan Bennett
and
Randal
chat with
Matija Šuklje
about Open Source and the Law! How do Open Source projects handle liability, what should a Contributor License Agreement (CLA) look like, and where can an individual or project turn for legal help?
https://matija.suklje.name/
https://openchainproject.org
ht... | 2 | 2 | [
{
"comment_id": "8080805",
"author": "M",
"timestamp": "2025-01-09T10:42:05",
"content": "It’s hard to imagine the FSF being relevant for anything anymore. Free software has moved on without them.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8080983",
"a... | 1,760,371,673.612207 | ||
https://hackaday.com/2025/01/08/running-ai-locally-without-spending-all-day-on-setup/ | Running AI Locally Without Spending All Day On Setup | Al Williams | [
"Artificial Intelligence",
"Featured",
"how-to",
"Interest",
"Slider"
] | [] | There are many AI models out there that you can play with from companies like OpenAI, Google, and a host of others. But when you use them, you get the experience they want, and you run it on their computer. There are a variety of reasons you might not like this. You may not want your data or ideas sent through someone ... | 34 | 17 | [
{
"comment_id": "8080604",
"author": "SETH",
"timestamp": "2025-01-08T18:27:56",
"content": "The corporate stewardship of AI is whats untrustworthy. Someone building AI at home, training on handwriting or thermostat data, sounds great! A giant multibillion dollar industry trying to convince us tha... | 1,760,371,673.758809 | ||
https://hackaday.com/2025/01/08/tech-in-plain-sight-security-envelopes/ | Tech In Plain Sight: Security Envelopes | Kristina Panos | [
"Featured",
"History",
"Interest",
"Slider"
] | [
"confetti",
"document security",
"Letterlocking",
"pattern",
"security envelope",
"security envelopes"
] | You probably get a few of these things each week in the mail. And some of them actually do a good job of obscuring the contents inside, even if you hold the envelope up to the light. But have you ever taken the time to appreciate the beauty of
security envelope patterns
? Yeah, I didn’t think so.
The really interesting... | 18 | 10 | [
{
"comment_id": "8080502",
"author": "i",
"timestamp": "2025-01-08T15:51:18",
"content": "Was really hoping for a discussion of what does and doesn’t work for security tints. For instance, have there been any designs that were abandoned because they were determined to be ineffective? Was there a pro... | 1,760,371,673.573914 | ||
https://hackaday.com/2025/01/08/remotely-controlled-vehicles-over-starlink/ | Remotely Controlled Vehicles Over Starlink | Tom Nardi | [
"internet hacks"
] | [
"bandwidth",
"Starlink",
"Starlink Mini"
] | Modern remote control (RC) radios are capable of incredible range, but they’re still only made for line-of-sight use. What if you want to control a vehicle that’s 100s of kilometers away, or even on the other side of the planet? Cellular is an option, but is obviously limited by available infrastructure — good luck get... | 35 | 13 | [
{
"comment_id": "8080419",
"author": "Will",
"timestamp": "2025-01-08T13:02:22",
"content": "DeMoCrACy. This has nothing to do with politics man",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8080425",
"author": "Joshua",
"timestamp": "2025-01-08T13:32... | 1,760,371,673.683474 | ||
https://hackaday.com/2025/01/08/making-sure-your-patch-cables-are-ready-for-rf-work/ | Making Sure Your Patch Cables Are Ready For RF Work | Dan Maloney | [
"Radio Hacks"
] | [
"coaxial",
"Patch cable",
"radio frequency",
"RF",
"tdr",
"testing",
"time-domain reflectometry",
"vna"
] | How do you know that your patch cables are good? For simple jumper wires, a multimeter is about all you need to know for sure. But things can get weird in the RF world, in which case you might want to keep
these coaxial patch cable testing tips
in mind.
Of course, no matter how high the frequency, the basics still appl... | 3 | 2 | [
{
"comment_id": "8080695",
"author": "Cody",
"timestamp": "2025-01-08T22:02:54",
"content": "You can also do TDR with the NanoVNA and the NanoVNASaver software.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8080699",
"author": "Paul",
"times... | 1,760,371,673.910655 | ||
https://hackaday.com/2025/01/07/toot-b-gone-with-the-fartmaster-3000/ | Toot-B-Gone, With The FartMaster 3000 | Jenny List | [
"Lifehacks"
] | [
"fart",
"shop vac",
"workshop"
] | Face it, we’ve all been there, in a crowded workshop building something, and horror of horrors, things are going to get a little…
windy
. Do you try to drop it quietly and hope nobody says the rhyme, do you bolt for the door, or can you tough it out and hold it in? Never fear, because [Roman_2798881] has got your back,... | 19 | 15 | [
{
"comment_id": "8080361",
"author": "David",
"timestamp": "2025-01-08T06:15:14",
"content": "I do hope we get a boatload of things like this on March 32nd: Real devices that sound like jokes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8080379",
"auth... | 1,760,371,673.867133 | ||
https://hackaday.com/2025/01/07/regular-expression-chess/ | Regular (Expression) Chess | Al Williams | [
"Games",
"Software Hacks"
] | [
"chess",
"cpu",
"regular expressions"
] | [Nicholas Carlini] found some extra time on his hands over the holiday, so he decide to do something with “entirely no purpose.” The result: 84,688
regular expressions that can play chess
using a 2-ply minmax strategy. No kidding. We think we can do some heavy-duty regular expressions, but this is a whole other level.
... | 17 | 6 | [
{
"comment_id": "8080352",
"author": "EDJ",
"timestamp": "2025-01-08T05:27:24",
"content": "This is so creative wow. Making a cpu using regex is not something I’d thought I would ever see.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8092240",
"aut... | 1,760,371,673.967753 | ||
https://hackaday.com/2025/01/07/bending-light-bending-time-a-diy-polarizer-clock/ | Bending Light, Bending Time: A DIY Polarizer Clock | Heidi Ulrich | [
"clock hacks",
"Science"
] | [
"birefringence",
"clock",
"color",
"colour",
"polariscope",
"polarize"
] | Imagine a clock where the colors aren’t from LEDs but a physics phenomenon – polarization. That’s just what [Mosivers], a physicist and electronics enthusiast,
has done with the Polarizer Clock
. It’s not a perfect build, but the concept is intriguing: using polarized light and stress-induced birefringence to generate ... | 8 | 3 | [
{
"comment_id": "8080405",
"author": "IIVQ",
"timestamp": "2025-01-08T11:01:37",
"content": "The Dutch word of the year 2024 is “polarisatie” (polarisation) – in the political sense – hence all the video suggestions after this one where of very polarizing moments in Dutch politics…",
"parent_id"... | 1,760,371,674.012283 | ||
https://hackaday.com/2025/01/07/gaze-upon-this-omni-directional-treadmills-clever-lego-construction/ | Gaze Upon This Omni-directional Treadmill’s Clever LEGO Construction | Donald Papp | [
"Toy Hacks"
] | [
"lego",
"omnidirectional",
"treadmill"
] | Want to see some wildly skillful LEGO construction? Check out [Banana Gear Studios]’
omni-directional treadmill
which showcases not only how such a thing works, but demonstrates some pretty impressive problem solving in the process. Construction was far from straightforward!
A 9×9 grid of LEGO shafts all turning in uni... | 16 | 9 | [
{
"comment_id": "8080283",
"author": "Gravis",
"timestamp": "2025-01-07T22:16:22",
"content": "It’s interesting but calling it a treadmill is problematic as there is no tread component. It is however, definitely a conveyor system.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,674.074762 | ||
https://hackaday.com/2025/01/07/the-helicone-toy-or-mathematical-oddity/ | The Helicone: Toy Or Mathematical Oddity? | Al Williams | [
"Toy Hacks"
] | [
"golden ratio",
"helicone",
"mathematics"
] | We always enjoy videos from the [Mathologer], but we especially liked the
recent video on the Helicone
, a toy with a surprising connection to mathematics. The toy is cool all by itself, but the video shows how a sufficiently large heliocone models many “natural numbers” and acts, as [Mathologer] puts it, acts as “micr... | 7 | 3 | [
{
"comment_id": "8080246",
"author": "TG",
"timestamp": "2025-01-07T20:51:36",
"content": "Mathematics were always meant to be interpreted visually",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8080401",
"author": "Frank Wilhoit",
"timestamp... | 1,760,371,674.119245 | ||
https://hackaday.com/2025/01/07/cleaning-up-bhopal-the-worlds-worst-industrial-disaster/ | Cleaning Up Bhopal: The World’s Worst Industrial Disaster | Maya Posch | [
"Featured",
"History",
"Science",
"Slider"
] | [] | Forty years ago, on the night of Sunday 2 December of 1984, people in the city of Bhopal and surrounding communities were settling in for what seemed like yet another regular night. The worst thing in their near future appeared to be having to go back to school and work the next day. Tragically, many of them would neve... | 44 | 14 | [
{
"comment_id": "8080188",
"author": "BrendaEM",
"timestamp": "2025-01-07T18:42:54",
"content": "In the form of polyurethane, Gorilla Glue, Imron airplane paint, we consume isocynates without even thinking about their effects, yet we vilify lacquer because of its VOCs.Even ordinary non-catalyzed pol... | 1,760,371,674.20959 | ||
https://hackaday.com/2025/01/07/more-things-to-do-with-your-cheap-yellow-display/ | More Things To Do With Your Cheap Yellow Display | Tom Nardi | [
"Microcontrollers"
] | [
"Cheap Yellow Display",
"CYD",
"ESP32",
"GPS receiver",
"mp3 player"
] | The Cheap Yellow Display (CYD) is an ESP32 development board that’s been making the rounds for a while now, thanks to its value and versatility. For around $10 USD, you get a nicely integrated package that’s perfect for a wide array of projects and applications. Toss a couple in on your next AliExpress order, and all y... | 14 | 8 | [
{
"comment_id": "8080181",
"author": "Miles Archer",
"timestamp": "2025-01-07T18:14:35",
"content": "I bought one of these, pretty much because how cheap it was. I’m currently using it to display the temperature inside and outside my house and the local weather forecast from the NWS.The hardest thin... | 1,760,371,674.759841 | ||
https://hackaday.com/2025/01/07/keebin-with-kristina-the-one-with-the-circuit-sculpture-keyboard/ | Keebin’ With Kristina: The One With The Circuit Sculpture Keyboard | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"Circuit Sculpture",
"Incase",
"microsoft 4000",
"microsoft ergonomic keyboard",
"round display"
] | Image by [New-Concentrate6308] via
reddit
Don’t worry, [New-Concentrate6308] is working on the GitHub for this final build of 2024, dubbed
the GEMK_47
. That stands for Grid Ergo Magnetic Keyboard, but I swear there are 48 keys.
What we’ve got here is a split ergo with an ortholinear layout. There’s a round screen and ... | 2 | 2 | [
{
"comment_id": "8080193",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2025-01-07T18:51:35",
"content": "Chicklet keys on the Incase.I’ll pass…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8080748",
"author": "crispernaki",
"timest... | 1,760,371,674.37118 | ||
https://hackaday.com/2025/01/07/one-to-watch-for-in-2025-tanmatsu/ | One To Watch For In 2025: Tanmatsu | Jenny List | [
"computer hacks"
] | [
"ESP32-P4",
"palmtop",
"tanmatsu"
] | If you’ve used the Espressif series of processors, perhaps you’ll have heard of their upcoming ESP32-P4. This is an application processor, with dual RISC-V cores at 400 MHz, and save for a lack of an MMU, a spec sheet much closer to the kind of silicon you’d find in single board computers with pretensions towards being... | 20 | 6 | [
{
"comment_id": "8080150",
"author": "Feinfinger (M-x totally-tame-mode)",
"timestamp": "2025-01-07T16:06:07",
"content": "Did I hear someone whisper “Meshtastic”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8080213",
"author": "Jenny List",
... | 1,760,371,674.594343 | ||
https://hackaday.com/2025/01/07/logging-babys-day-in-linux/ | Logging Baby’s Day In Linux | Tom Nardi | [
"home hacks",
"Linux Hacks",
"Raspberry Pi"
] | [
"apache",
"baby",
"database",
"infant",
"systemd",
"tracker"
] | There’s plenty of surprises to be had when you become a parent, and one of the first is that it’s suddenly your job to record the frequency of your infant’s various bodily functions in exacting detail. How many times did the little tyke eat, how long did they sleep, and perhaps most critically, how many times did they... | 39 | 12 | [
{
"comment_id": "8080044",
"author": "Jouni",
"timestamp": "2025-01-07T10:18:35",
"content": "After few days they are tired of pressing buttons.Paper and pen.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8080111",
"author": "shinsukke",
"ti... | 1,760,371,674.95027 | ||
https://hackaday.com/2025/01/06/thirty-years-later-the-windows-3-1-video-driver-you-needed/ | Thirty Years Later, The Windows 3.1 Video Driver You Needed | Jenny List | [
"Retrocomputing"
] | [
"SVGA",
"vesa",
"windows",
"windows 3.1"
] | Over the course of the 1990s we saw huge developments in the world of PC graphics cards, going from little more than the original IBM VGA standard through super VGA and then so-called “Windows accelerator” cards which brought the kind of hardware acceleration the console and 16 bit home computer users had been used to ... | 52 | 9 | [
{
"comment_id": "8080029",
"author": "Petter",
"timestamp": "2025-01-07T09:03:06",
"content": "Who would have thought it, 3.1 looking good!Or rather, looks as it used to but with a higher resolution it really makes a difference. My guess is that the hardware of yesteryear would not be very happy kee... | 1,760,371,674.856062 | ||
https://hackaday.com/2025/01/06/rethinking-your-jellybean-op-amps/ | Rethinking Your Jellybean Op Amps | Dan Maloney | [
"Parts",
"Rants"
] | [
"741",
"design",
"jellybean parts",
"lm324",
"op-amp",
"OPA 2323",
"Operational amplifier",
"rail-to-rail"
] | Are your jellybeans getting stale? [lcamtuf] thinks so, and his
guide to choosing op-amps
makes a good case for rethinking what parts you should keep in stock.
For readers of a certain vintage, the term “operational amplifier” is almost synonymous with the LM741 or LM324, and with good reason. This is despite the limit... | 44 | 15 | [
{
"comment_id": "8080002",
"author": "Rick",
"timestamp": "2025-01-07T06:56:11",
"content": "Ahh the LM324, my first op amp.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8080009",
"author": "John",
"timestamp": "2025-01-07T07:37:17",
"content": "... | 1,760,371,675.042375 | ||
https://hackaday.com/2025/01/06/is-a-cheap-frequency-standard-worth-it/ | Is A Cheap Frequency Standard Worth It? | Jenny List | [
"Radio Hacks"
] | [
"crystal oscillator",
"crystal oven",
"Frequency Standard"
] | In the quest for an accurate frequency standard there are many options depending on your budget, but one of the most affordable is an oven controlled crystal oscillator (OCXO). [RF Burns]
has a video looking at one of the cheapest of these
, a sub ten dollar AliExpress module.
A crystal oven is a simple enough device —... | 26 | 12 | [
{
"comment_id": "8079960",
"author": "Bruce",
"timestamp": "2025-01-07T02:29:19",
"content": "Is the board mislabelled? Both when he first shows the board as well as when describing the switching of the sinusoidal output, he points to the left output and for TTL he points to the right. However, the ... | 1,760,371,675.106176 | ||
https://hackaday.com/2025/01/06/no-frills-pcb-brings-usb-c-power-to-the-breadboard/ | No Frills PCB Brings USB-C Power To The Breadboard | Tom Nardi | [
"Tool Hacks"
] | [
"breadboard",
"power supply",
"USB C"
] | At this point, many of us have gone all-in on USB-C. It’s gotten to the point that when you occasionally run across a gadget that
doesn’t
support being powered USB-C, the whole experience seems somewhat ridiculous. If 90% of your devices using the same power supply, that last 10% starts feeling very antiquated.
So why ... | 30 | 16 | [
{
"comment_id": "8079871",
"author": "Russ Wizinsky",
"timestamp": "2025-01-06T21:36:11",
"content": "Bravo 👏 great way to supply breadboards!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8079872",
"author": "Greg A",
"timestamp": "2025-01-06T21:39... | 1,760,371,675.219049 | ||
https://hackaday.com/2025/01/06/growing-semiconductor-layers-directly-with-tmds/ | Growing Semiconductor Layers Directly With TMDs | Maya Posch | [
"Science"
] | [
"semiconductor"
] | Transition-metal dichalcogenides (TMDs) are a class of material that’s been receiving significant attention as a possible successor of silicon. Recently, a team of researchers has demonstrated the use of TMDs as an alternative to through-silicon-vias (TSV), which is the current way that multiple layers of silicon semic... | 5 | 2 | [
{
"comment_id": "8079847",
"author": "Steven Clark",
"timestamp": "2025-01-06T20:30:43",
"content": "So this is a technique to crystallize arrays of gates on top of existing layers as just new steps in the process so you can just keep building up and up? Is that right?",
"parent_id": null,
... | 1,760,371,675.147218 | ||
https://hackaday.com/2025/01/05/hackaday-links-january-5-2025/ | Hackaday Links: January 5, 2025 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"ai",
"apple",
"APU",
"auxiliary power unit",
"boeing",
"captcha",
"Deep Space Network",
"doom",
"DSN",
"Eben Upton",
"Hack Chat",
"hackaday links",
"landmarks",
"lawsuit",
"Parker",
"raspberry pi",
"siri",
"solar",
"sun"
] | Good news this week from the Sun’s far side as
the Parker Solar Probe checked in after its speedrun through our star’s corona
. Parker became the fastest human-made object ever — aside from
the manhole cover
, of course — as it fell into the Sun’s gravity well on Christmas Eve to pass within 6.1 million kilometers of t... | 4 | 4 | [
{
"comment_id": "8079676",
"author": "Anonymus",
"timestamp": "2025-01-06T12:11:53",
"content": "But what about the people that don’t own an apple device but who’s conversations were recorded due to being in the same room as one?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,371,675.263704 | ||
https://hackaday.com/2025/01/05/reverse-engineering-the-polynomial-constants-in-the-pentiums-fpu/ | Reverse-Engineering The Polynomial Constants In The Pentium’s FPU | Maya Posch | [
"Reverse Engineering"
] | [
"pentium",
"polynomial"
] | Die photo of the Intel Pentium processor with the floating point constant ROM highlighted in red. (Credit: Ken Shirriff)
Released in 1993, Intel’s Pentium processor was a marvel of technological progress. Its floating point unit (FPU) was a big improvement over its predecessors that still used the venerable CORDIC algo... | 5 | 3 | [
{
"comment_id": "8079666",
"author": "Carl Breen",
"timestamp": "2025-01-06T11:07:57",
"content": "Amazing article and thanks for telling us Ken’s work! The comments on this site are slowly filling with information about how some constants came to be. Hope soon all ROM entries and how they were gene... | 1,760,371,675.312348 | ||
https://hackaday.com/2025/01/05/stacys-computer-has-got-it-going-on/ | Stacy’s Computer Has Got It Going On | Al Williams | [
"Retrocomputing",
"Teardown"
] | [
"atari",
"luggable",
"stacy"
] | According to [ClassicHasClass], the best way to open an Atari Stacy is to
not open an Atari Stacy
. Apparently, these old computers were not pleasant to work on. The cables were not keyed and were prone to short against things. Screws easily strip out plastic holes. Of course, there wouldn’t be a story if there wasn’t ... | 14 | 8 | [
{
"comment_id": "8079511",
"author": "Joseph Eoff",
"timestamp": "2025-01-05T19:08:51",
"content": "Self tapping screws destroy the threads in the hole unless you know how to put them back in correctly.Put the screw in the hole. Use a screwdriver to turn the screw backwards – like you are loosening... | 1,760,371,675.36446 | ||
https://hackaday.com/2025/01/05/atari-65xe-in-laptop-form/ | Atari 65XE In Laptop Form | Bryan Cockfield | [
"Retrocomputing"
] | [
"3d printed",
"65xe",
"atari",
"laptop",
"pc",
"retro",
"retrocomputing",
"xegs"
] | For better or worse, Atari is no longer a household name in computing, but for a time in the 1980s, it was a huge mover in the industry. They not only produced PCs but also a huge number of video game consoles. Although they were a major contributor to the video game crash of the 1980s, they managed to limp along a few... | 4 | 4 | [
{
"comment_id": "8080134",
"author": "A Texan",
"timestamp": "2025-01-07T15:15:37",
"content": "Wow! No comments on this one. An Atari 800XL with the 1050 drive was my first system. Bought it as Sears for my birthday or Christmas.Nice project!",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,371,675.407832 | ||
https://hackaday.com/2025/01/05/16-bit-linux-like-goodness/ | 16-bit Linux-like Goodness | Al Williams | [
"Linux Hacks",
"Retrocomputing"
] | [
"linux",
"retrocomputer"
] | We see many 16-bit retrocomputers around here based on Intel and Intel-like chips such as the 8086, 8088, V20, and similar. While they don’t seem very powerful by today’s standards, they were perfectly capable machines and, thanks to
Elks
(Embeddedable Linux Kernel Subset), you can run something fairly Linux-like on th... | 15 | 6 | [
{
"comment_id": "8079434",
"author": "Alex Holden",
"timestamp": "2025-01-05T12:22:06",
"content": "You can also play a simple graphical Tetris clone. The command to start it is ‘nxtetris’. Press N to start a new game, Q to quit, P to pause, C to continue, S/D to rotate the piece, J/K to move it lef... | 1,760,371,675.504514 | ||
https://hackaday.com/2025/01/05/e-bike-motor-gets-new-life-as-hydro-plant/ | E-Bike Motor Gets New Life As Hydro Plant | Bryan Cockfield | [
"green hacks"
] | [
"ebike",
"generator",
"hub motor",
"hydro",
"hydroelectric",
"impeller",
"off grid",
"paddlewheel",
"power"
] | For economic reasons, not every lake with a dam can support a hydroelectric power plant. Some rivers or creeks are dammed for flood control or simply for recreation, and don’t have the flow rate or aren’t deep enough to make the investment of a grid-scale generation facility worthwhile. But for those of us with a few s... | 54 | 8 | [
{
"comment_id": "8079433",
"author": "nobody",
"timestamp": "2025-01-05T12:21:48",
"content": "Great project but cant help wondering how long before water gets into the hub?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8079441",
"author": "H Hack",... | 1,760,371,676.044507 | ||
https://hackaday.com/2025/01/04/all-aboard-the-hack-train-nottinghams-led-revival/ | All Aboard The Hack Train: Nottingham’s LED Revival | Heidi Ulrich | [
"Arduino Hacks",
"Hackerspaces",
"LED Hacks",
"News",
"Reverse Engineering",
"Software Hacks"
] | [
"Arduino Uno",
"departure board",
"Discord",
"led",
"mqtt",
"Nottingham",
"nottingham hackspace",
"railway"
] | Hackerspaces are no strangers to repurposing outdated tech, and Nottingham Hackspace happens to own one of those oddities one rarely gets their hands on: a railway departure board. Left idle for over a decade, it was brought back to life by [asjackson]. Originally salvaged around 2012, it remained unused until mid-2024... | 4 | 1 | [
{
"comment_id": "8079392",
"author": "CJay",
"timestamp": "2025-01-05T08:45:31",
"content": "Nice project but what a shame they didn’t have the original controller still in it, they were quite interesting to play with.",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,371,675.952915 | ||
https://hackaday.com/2025/01/06/before-gps-there-was-loran/ | Before GPS There Was LORAN | Al Williams | [
"Hackaday Columns",
"Slider"
] | [
"LORAN",
"Loran-A",
"navigation"
] | We found it nostalgic to watch [ve3iku] fire up an old Loran-A receiver and, as you can see in the video below,
he got it working
. If you aren’t familiar with LORAN, it was a common radio navigation technique before GPS took over everything.
LORAN — an acronym for Long Range Navigation — was a US byproduct of World Wa... | 38 | 20 | [
{
"comment_id": "8079784",
"author": "Jon Mayo",
"timestamp": "2025-01-06T18:07:13",
"content": "You had to have books of tables and charts to do it. Or be good at doing trigonometry on a slide rule. The basic technique still has application today, but on a smaller scale you need some really precise... | 1,760,371,676.232131 | ||
https://hackaday.com/2025/01/06/cassette-tape-plays-mp3s/ | Cassette Tape Plays MP3s | Bryan Cockfield | [
"Musical Hacks"
] | [
"audio",
"battery",
"bluetooth",
"car",
"cassette",
"music",
"stereo",
"tape",
"tape deck"
] | Cassette tapes were a major way of listening to (and recording) music througout the 1980s and 1990s and were in every hi-fi stereo, boom box, and passenger vehicle of the era. Their decline was largely as a result of improvements in CD technology and the rise of the MP3 player, and as a result we live in a world largel... | 66 | 17 | [
{
"comment_id": "8079761",
"author": "Consulting Joe",
"timestamp": "2025-01-06T17:19:05",
"content": "Thats pretty cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8079764",
"author": "Mark Topham",
"timestamp": "2025-01-06T17:22:57",
"content... | 1,760,371,676.338104 | ||
https://hackaday.com/2025/01/06/one-small-step-all-about-stepper-motors/ | One Small Step: All About Stepper Motors | Maya Posch | [
"Featured",
"Parts",
"Skills",
"Slider"
] | [
"how-to",
"skills",
"stepper motor",
"stepper motor driver"
] | The primary feature of stepper motors is listed right within their name: their ability to ‘step’ forwards and backwards, something which they (ideally) can do perfectly in sync with the input provided to their distinct coils. It’s a feature that allows the connected controller to know the exact position of the stepper ... | 12 | 5 | [
{
"comment_id": "8079740",
"author": "ddss",
"timestamp": "2025-01-06T16:08:17",
"content": "One trick the article did not mention: By cutting the trace in the middle after take off the blue cover, the middle connection of the 2 coils will be broken and the motor can be used with bipolar driver.",
... | 1,760,371,675.913495 |
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