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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/12/13/diy-tachistoscope-feeds-your-hunger-for-popcorn-and-propaganda/ | DIY Tachistoscope Feeds Your Hunger For Popcorn And Propaganda | Dan Maloney | [
"classic hacks"
] | [
"ChatGPT",
"propaganda",
"raspberry pi",
"subliminal advertising",
"youtube"
] | You’ve probably heard of subliminal advertising — the idea is that behaviors can be elicited by flashing extremely brief messages on a movie or TV screen. “BUY POPCORN NOW” is the canonical example, with movies containing such subconscious messaging supposedly experiencing dramatic increases in popcorn sales.
Did it wo... | 12 | 7 | [
{
"comment_id": "6707555",
"author": "Are rats even the entree?",
"timestamp": "2023-12-13T12:18:20",
"content": "Subliminal.Below a sensory threshold. Below perception.Any message unable to be perceived by the target audience is by definition subliminal messaging.Subliminal messaging is alive and w... | 1,760,372,077.470962 | ||
https://hackaday.com/2023/12/13/led-art-project-is-geometrically-beautiful/ | LED Art Project Is Geometrically Beautiful | Lewin Day | [
"Art",
"LED Hacks"
] | [
"addressable leds",
"art",
"led"
] | There is no shortage of companies on the Internet willing to sell you expensive glowing things to stick on your walls. Many hackers prefer to make their own however, and [Chris] is no exception.
His LED wall art is neat, tidy, and stylish, all at once.
Wanting a geometric design, [Chris] decided to have his layout
desi... | 7 | 4 | [
{
"comment_id": "6707569",
"author": "MacGyverS2000",
"timestamp": "2023-12-13T12:54:56",
"content": "Maybe it’s just me, but… where are the power wires to the sculpture itself?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6707587",
"author": "Wonk... | 1,760,372,077.306997 | ||
https://hackaday.com/2023/12/12/can-googles-new-ai-read-your-datasheets-for-you/ | Can Google’s New AI Read Your Datasheets For You? | Al Williams | [
"Artificial Intelligence",
"Current Events",
"google hacks",
"Original Art",
"Rants"
] | [
"artificial intellegence",
"datasheets",
"llvm",
"notebooklm"
] | We’ve seen a lot of AI tools lately, and, of course, we know they aren’t really smart, but they sure fool people into thinking they are actually intelligent. Of course, these programs can only pick through their training, and a lot depends on what they are trained on. When you use something like ChatGPT, for example, y... | 25 | 9 | [
{
"comment_id": "6707327",
"author": "Dude",
"timestamp": "2023-12-12T15:07:26",
"content": "It would be more useful to pull the relevant parts of the document verbatim, so you don’t have to play a game of broken telephone with the AI. Just tell me where in this document I can find what I’m looking ... | 1,760,372,077.723802 | ||
https://hackaday.com/2023/12/12/hilarious-security-flaw-in-counter-strike-2-is-now-patched/ | Hilarious Security Flaw InCounter Strike 2Is Now Patched | Lewin Day | [
"Games",
"Security Hacks"
] | [
"Counter-Strike",
"counter-strike 2",
"counterstrike 2",
"cs2",
"games",
"gaming"
] | Normally, when we talk about video games having bugs, it’s some kind of item duplication glitch or a hilarious failure in the jacket equip code of some tedious
first-person-shooter
online wardrobe simulator.
Counter-Strike 2
has had a more embarrassing faux-pas, however, with a security hole allowing bad actors to theo... | 17 | 7 | [
{
"comment_id": "6707284",
"author": "DST",
"timestamp": "2023-12-12T12:34:56",
"content": "If anyhing, it’s a testament to the amount of bloat modern software floats around in, that an arbitrary text string for a first person shooter ends up in a fcking HTML renderer!",
"parent_id": null,
"... | 1,760,372,077.415776 | ||
https://hackaday.com/2023/12/12/homemade-raman-laser-is-shaken-not-stirred/ | Homemade Raman Laser Is Shaken, Not Stirred | Dan Maloney | [
"Laser Hacks",
"Science"
] | [
"DMSO",
"ineleastic",
"laser",
"nonlinear optics",
"Raman",
"scattering",
"Stokes"
] | You wouldn’t think that shaking something in just the right way would be the recipe for creating laser light, but as [Les Wright] explains in his new video, that’s pretty much how
his DIY Raman laser works
.
Of course, “shaking” is probably a gross oversimplification of Raman scattering, which lies at the heart of this... | 12 | 7 | [
{
"comment_id": "6707240",
"author": "Aviv",
"timestamp": "2023-12-12T09:19:02",
"content": "I read this whole article confused about how ramen noodles came into this",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6707316",
"author": "BT",
"t... | 1,760,372,077.360181 | ||
https://hackaday.com/2023/12/11/raspberry-pi-changes-hats/ | Raspberry Pi Changes HATs | Jenny List | [
"Raspberry Pi"
] | [
"hat",
"raspberry pi",
"Raspberry Pi 5"
] | Following on the heels of their Raspberry Pi 5 launch and some specifications for their RP1 all-in-one peripheral chip,
the Raspberry Pi folks have now released an update to the HAT peripheral hardware specification
reflecting the new model. Called the HAT+, it represents a major step forward with some significant chan... | 22 | 5 | [
{
"comment_id": "6707344",
"author": "dinogon",
"timestamp": "2023-12-12T16:06:14",
"content": "Too little too late imo. Not just for the HAT but for Raspberry Pi in general.The inability to get one without having to be overcharged by scalpers or excessively scanning a list of stores in desperation ... | 1,760,372,077.654939 | ||
https://hackaday.com/2023/12/11/terminal-based-image-viewer-and-multi-os-binary-and-under-100kb/ | Terminal-Based Image Viewer,andMulti-OS Binary,andUnder 100kb | Donald Papp | [
"Software Hacks"
] | [
"ASCII",
"image viewer",
"multi-OS",
"terminal window",
"text"
] | [Justine Tunney]’s
printimage.com
is a program capable of splatting full-color images to text mode terminal sessions, but that’s not even its neatest trick. It’s also a small binary executable capable of running on six different operating systems: Linux, Windows, MacOS, FreeBSD, OpenBSD, and NetBSD. All without having ... | 7 | 6 | [
{
"comment_id": "6707191",
"author": "Dylan Mc",
"timestamp": "2023-12-12T04:41:53",
"content": "Justine’s regular pace of amazing projects (you didn’t even mention sectorlisp or blinkenlights, among many others) is an inspiration (once I get over the intimidation). Thanks for letting us know about ... | 1,760,372,077.091651 | ||
https://hackaday.com/2023/12/11/wireless-bike-brakes/ | Wireless Bike Brakes | Navarre Bartz | [
"Transportation Hacks"
] | [
"bike",
"bike brakes",
"bike electronics",
"brake by wire",
"wireless brakes"
] | Bicycles are the most efficient machines for moving a person around, and wireless drivetrains have been heralded as a way to make shifting more consistent and require less maintenance. [Blake Samson] wondered if the same could be true of
wireless brakes.
Inspired by the controller for an RC car, [Blake] picked a 150 kg... | 73 | 37 | [
{
"comment_id": "6707135",
"author": "TG",
"timestamp": "2023-12-12T00:15:36",
"content": "Wireless shifter? Ok cool. Brakes? Absolutely not",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6707147",
"author": "rasz_pl",
"timestamp": "2023-12-1... | 1,760,372,077.597856 | ||
https://hackaday.com/2023/12/11/make-carbon-fiber-tubes-with-an-open-source-filament-winder/ | Make Carbon Fiber Tubes With An Open Source Filament Winder | Maya Posch | [
"cnc hacks"
] | [
"carbon fiber",
"composite",
"resin"
] | Result of winding a carbon fiber tube. (Credit: Andrew Reilley)
Carbon fiber (CF) is an amazing material that provides a lot of strength for very little weight, making it very useful for a lot of applications, ranging from rods in CoreXY 3D printers to model- and full-sized rockets. The model rocketry hobby is the reas... | 22 | 9 | [
{
"comment_id": "6707114",
"author": "Mmmhmm",
"timestamp": "2023-12-11T22:41:46",
"content": "That is a damn sweet result! Good job!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6707152",
"author": "No",
"timestamp": "2023-12-12T01:22:56",
"con... | 1,760,372,077.260336 | ||
https://hackaday.com/2023/12/10/raspberry-pi-5-goes-under-the-x-ray/ | Raspberry Pi 5 Goes Under The X-ray | Jenny List | [
"Raspberry Pi"
] | [
"pcb",
"Raspberry Pi 5",
"xray"
] | Most Hackaday readers will know to some extent what lies inside their computer, even if this is only at a block diagram level listing the peripherals. But what is
physically
on a modern computer board? [Jeff Geerling]
has subjected a Raspberry Pi 5 to a medical imager
, and shares with us the many layers of parts and P... | 1 | 1 | [
{
"comment_id": "6706884",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-11T04:11:43",
"content": "I recently worked for a contract company that built/assembled PCBs.Their X-ray machine made it much easier to determine if any BGA connections did not solder properly.",
"p... | 1,760,372,077.761194 | ||
https://hackaday.com/2023/12/10/hackaday-links-december-10-2023/ | Hackaday Links: December 10, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"ChatGPT",
"fpga",
"gyro",
"hackaday links",
"HST",
"Hubble",
"jailbreak",
"LLM",
"OSIRIS-REx",
"parachute",
"pyro",
"training data",
"vlf"
] | In this week’s episode of “Stupid Chatbot Tricks,” it turns out that jailbreaking ChatGPT is as easy as asking it to
repeat a word over and over forever
. That’s according to Google DeepMind researchers, who managed to force the chatbot to reveal some of its training data with a simple prompt, something like “Repeat th... | 8 | 4 | [
{
"comment_id": "6706863",
"author": "Ostracus",
"timestamp": "2023-12-11T00:49:11",
"content": "“On the plus side, you’ll be working with some pretty cool hardware as you build out a completely new infrastructure for global banking and marketing. On the downside, you’ve got to be an FPGA engineer, ... | 1,760,372,077.935169 | ||
https://hackaday.com/2023/12/10/fast-paper-tape-for-the-nuclear-family/ | Fast Paper Tape For The Nuclear Family | Al Williams | [
"Retrocomputing"
] | [
"Chernobyl",
"Chornobyl",
"tape reader"
] | We’ve enjoyed several videos from [Chornobyl Family] about the computers that controlled the ill-fated nuclear reactor in Chornobyl (or Chernobyl, as it was spelled at the time of the accident). This time (see the video below) they are looking at a
high-speed data storage device
. You don’t normally think of high-speed... | 8 | 4 | [
{
"comment_id": "6706852",
"author": "Jan",
"timestamp": "2023-12-10T22:33:22",
"content": "Yay, Czechoslovak engineering! We didn’t have access to modern components but the engineering & build quality has always been top notch.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,077.977523 | ||
https://hackaday.com/2023/12/10/steampunk-factory-comes-to-life-with-an-arduino/ | SteamPunk Factory Comes To Life With An Arduino | Al Williams | [
"Arduino Hacks",
"Art"
] | [
"aarduino",
"steampunk"
] | It is one thing to make an artistic steampunk display. But [CapeGeek] added
an Arduino to make the display come alive
. The display has plenty of tubes and wires. The pressure gauge dominates the display, but there are lots of other interesting bits. Check it out in the video below.
From the creator:
The back-story is ... | 15 | 7 | [
{
"comment_id": "6706820",
"author": "Cree",
"timestamp": "2023-12-10T19:47:10",
"content": "Meh.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6706831",
"author": "Adrian",
"timestamp": "2023-12-10T20:49:45",
"content": "The choreog... | 1,760,372,077.887911 | ||
https://hackaday.com/2023/12/10/binary-clock-kit-blips-again/ | Binary Clock Kit Blips Again | Jonathan Bennett | [
"clock hacks",
"hardware"
] | [
"binary clock",
"Graymark",
"Pi Pico W"
] | Back in 1978, the world was a bit different. There was no Raspberry Pi, no Internet, and not even an ESP32 to build projects with. And rather than order electronics kits from Tindie or Adafruit, [Dr. Francitosh]
selected this binary clock with his mother from a catalog
, and made the order via mail. Simpler times. The ... | 16 | 11 | [
{
"comment_id": "6706818",
"author": "Rudranand Sahu",
"timestamp": "2023-12-10T18:48:32",
"content": "Hi Greg! Sending warm wishes to your mother. I hope she is doing well.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6706837",
"author": "Scott",
... | 1,760,372,078.311526 | ||
https://hackaday.com/2023/12/10/nyan-keys-because-your-keyboard-is-painfully-slow/ | Nyan Keys: Because Your Keyboard Is Painfully Slow | Kristina Panos | [
"FPGA",
"Peripherals Hacks"
] | [
"fpga",
"FPGA keyboard",
"keyboard",
"mechanical keyboard",
"nyan cat"
] | You probably don’t notice keyboard latency when typing or doing mundane tasks, but if you start gaming, that’s also when you might start complaining. Every millisecond counts in that arena. Think your keyboard is fast? Think again. Because unfortunately, no matter what you’ve got in there, that key matrix is slowing yo... | 33 | 10 | [
{
"comment_id": "6706749",
"author": "Zoe Nagy",
"timestamp": "2023-12-10T12:42:30",
"content": "what about usb latency of 20ms+",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6706760",
"author": "rumpel",
"timestamp": "2023-12-10T13:06:52",
... | 1,760,372,078.796483 | ||
https://hackaday.com/2023/12/10/printing-with-glass-fiber-filament/ | Printing With Glass Fiber Filament | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"engineering plastic",
"engineering polymer",
"glass fiber"
] | [ModBot] has been trying different engineering plastics for 3D printing. He recently looked at carbon fiber mixed with PET, but this time, he shows us his results with
PET with glass fiber
, or PET-GF. You can see how it all turned out in the video below.
The first part of the video compares the specifications, and, as... | 12 | 4 | [
{
"comment_id": "6706754",
"author": "GoguyT3d",
"timestamp": "2023-12-10T12:55:56",
"content": "As nice as he makes GF sound I honestly have to say after printing for over 3 years now and having almost 100lb of different filament laying around I haven’t used GF but still am not sold. I have used nu... | 1,760,372,078.415386 | ||
https://hackaday.com/2023/12/11/bunnie-huangs-shenzhen-guide-gets-a-new-edition-written-by-naomi-wu/ | Bunnie Huang’s Shenzhen Guide Gets A New Edition – Written By Naomi Wu | Jenny List | [
"hardware",
"Interest"
] | [
"Bunnie Huang",
"Naomi Wu",
"shenzhen"
] | If there’s one city which can truly claim to be the powerhouse of high-tech manufacturing here in the 21st century, it’s the Chinese city of Shenzhen. It’s likely that few people don’t own something made in that city or with parts that have passed through companies in the legendary electronic component markets of its
H... | 23 | 16 | [
{
"comment_id": "6707067",
"author": "Nigel",
"timestamp": "2023-12-11T19:46:10",
"content": "So glad she is still about. You see her in her native city but I am always worried how safe she is. God bless you Naomi",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": ... | 1,760,372,078.663239 | ||
https://hackaday.com/2023/12/11/tech-in-plain-sight-super-glue/ | Tech In Plain Sight: Super Glue | Richard Baguley | [
"chemistry hacks",
"Hackaday Columns",
"Repair Hacks",
"Slider"
] | [
"Chemistry",
"cyanoacrylate",
"glue",
"history",
"super glue"
] | Many inventions happen not by design but through failure. They don’t happen through the failure directly, but because someone was paying attention and remembered the how and why of the failure, and learns from this. One of these inventions is Super Glue, the adhesive that every tinkerer and engineer has to hand to stic... | 68 | 25 | [
{
"comment_id": "6707050",
"author": "JanW",
"timestamp": "2023-12-11T18:27:33",
"content": "Since I started storing my CA glue in a tightly screwed marmelade jar where the bottom is filled with desiccant I didn’t need to buy a new bottle since 2019. Moisture kills CA glue. It’S the absolut best way... | 1,760,372,078.603728 | ||
https://hackaday.com/2023/12/11/modern-spark-gap-transmitter-uses-a-rotary-gap/ | Modern Spark Gap Transmitter Uses A Rotary Gap | Al Williams | [
"Radio Hacks"
] | [
"spark gap"
] | In the “don’t try this at home” category, [Joe Smith] builds
a spark gap transmitter
with a twist. The twist is that the drive power is from a signal generator attached to a FET. From there, though, things go classic using an automotive ignition coil and a tank circuit. He shows how adjusting the spark frequency change... | 18 | 9 | [
{
"comment_id": "6707056",
"author": "Drone",
"timestamp": "2023-12-11T18:54:37",
"content": "1-8-4-3-6-5-7-2",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6707073",
"author": "BrendaEM",
"timestamp": "2023-12-11T20:03:44",
"content"... | 1,760,372,078.3674 | ||
https://hackaday.com/2023/12/11/new-part-day-flush-mount-touchscreen-for-retro-pc-build/ | New Part Day: Flush-mount Touchscreen For Retro PC Build | Donald Papp | [
"Featured",
"hardware",
"Parts",
"Raspberry Pi",
"Slider"
] | [
"Crowd Supply",
"CrowVision",
"Elecrow",
"hdmi",
"raspberry pi",
"retro",
"SBC",
"touchscreen"
] | I recently had the opportunity to purchase an early version of a new display, and it happened to be just the thing I needed to make a project work. That display is the Elecrow 11.6″ CrowVision touchscreen slated for release in 2024.
Preorders are being accepted on Crowd Supply
.
I had an idea for a retro-inspired PC bu... | 19 | 14 | [
{
"comment_id": "6706997",
"author": "0xdeadbeef",
"timestamp": "2023-12-11T16:19:39",
"content": "I wound up discovering earlier this year that the RPi 400’s keyboard and the RPi official keyboard are the same thing (with slightly different keycap marking on F10 for power / ScrLk – but that’s as fa... | 1,760,372,078.721549 | ||
https://hackaday.com/2023/12/11/qantas-flight-32-when-a-few-millimeters-of-metal-invite-disaster/ | Qantas Flight 32: When A Few Millimeters Of Metal Invite Disaster | Maya Posch | [
"Transportation Hacks"
] | [
"aircraft",
"aircrash investigation"
] | A common saying is that every disaster is caused by a chain of events, some of which can stretch back by years. Airplane disasters and near-disasters are no exception here, with all too often a small mechanical issue worsening until suddenly everything goes south. In the best case the flight crew is still able to work ... | 28 | 9 | [
{
"comment_id": "6706948",
"author": "Julian Skidmore",
"timestamp": "2023-12-11T12:28:19",
"content": "It’s a really good article – like it!One intriguing bit about the animation is the use of non-metric measurements applied to an engine designed by a British company (Rolls Royce) that only uses me... | 1,760,372,078.870154 | ||
https://hackaday.com/2023/12/11/the-sol-1-a-16-bit-computer-in-74hc-logic-with-c-compiler-and-unix-like-os/ | The Sol-1: A 16-bit Computer In 74HC Logic With C Compiler And Unix-like OS | Maya Posch | [
"hardware",
"Software Development"
] | [
"74 logic",
"discrete cpu",
"retro computing",
"retrocomputing"
] | Sol-1 system pictured from the front. {Credit: Paulo Constantino)
While the concept of a computer system implemented in discrete logic ICs is by itself not among the most original ideas, the way some machines are executed certainly makes them stick out. This is the case with
[Paulo Constantino]’s Sol-1
, which not only... | 15 | 7 | [
{
"comment_id": "6706943",
"author": "Feinfinger (M-x totally-tame-mode)",
"timestamp": "2023-12-11T12:12:53",
"content": "Seeeeeet!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6706946",
"author": "Pollux",
"timestamp": "2023-12-11T12:27:09",
"c... | 1,760,372,078.92728 | ||
https://hackaday.com/2023/12/10/cowgol-development-environment-comes-to-z80-and-cp-m/ | Cowgol Development Environment Comes To Z80 And CP/M | Donald Papp | [
"Retrocomputing"
] | [
"bootstrapping",
"compiler",
"Cowlark",
"CP/M",
"programming language",
"retrocomputing",
"z80"
] | Cowgol on Z80 running CP/M
ties together everything needed to provide a Cowgol development environment (including C and assembler) on a Z80 running the CP/M operating system, making it easier to get up and running with a language aimed to be small, bootstrapped, and modern.
Cowgol
is an experimental modern language for... | 7 | 5 | [
{
"comment_id": "6706915",
"author": "Andrew",
"timestamp": "2023-12-11T08:46:20",
"content": "My name is TedOne dayI’ll be dead, yo! Yo!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6706977",
"author": "David Given",
"timestamp": "2023-12-11T14:37:0... | 1,760,372,078.973417 | ||
https://hackaday.com/2023/12/09/clockhands-for-faster-cpu-execution/ | Clockhands For Faster CPU Execution | Al Williams | [
"Misc Hacks"
] | [
"cpu",
"out of order execution",
"register renaming"
] | When you design your first homebrew CPU, you probably are happy if it works and you don’t worry as much about performance. But, eventually, you’ll start trying to think about how to make things run faster. For a single CPU, the standard strategy is to execute multiple instructions at the same time. This is feasible bec... | 15 | 7 | [
{
"comment_id": "6706715",
"author": "Jon H",
"timestamp": "2023-12-10T07:04:03",
"content": "The Mill people reorganized their website.https://millcomputing.com/docs/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6706735",
"author": "Truth",
... | 1,760,372,079.029348 | ||
https://hackaday.com/2023/12/09/impact-of-imperfect-timekeeping-on-quantum-control-and-computing/ | Impact Of Imperfect Timekeeping On Quantum Control And Computing | Maya Posch | [
"Science"
] | [
"quantum computing",
"quantum control theory"
] | In classical control theory, both open-loop and closed-loop control systems are commonly used. These systems are well understood and rather straightforward, controlling everything from washing machines to industrial equipment to the classical computing devices that make today’s society work. When trying to transfer thi... | 12 | 5 | [
{
"comment_id": "6706691",
"author": "Isaac Wingfield",
"timestamp": "2023-12-10T03:59:11",
"content": "“Even though this shouldn’t phase us” — it’s “faze”, unless you’re attempting a bad pun.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6706697",
... | 1,760,372,079.0792 | ||
https://hackaday.com/2023/12/09/nanobots-self-replicate/ | Nanobots Self Replicate | Al Williams | [
"News",
"Robots Hacks",
"Science"
] | [
"dna",
"nanobot",
"science"
] | Hey, what if you could have a factory that makes robots that is run by… robots? This is hardly an original thought, but we are a long way from having an assembly line of C3POs self-replicating. On the other hand, animals — including humans — self-replicate all the time using DNA. Now, scientists are
making tiny nanorob... | 11 | 8 | [
{
"comment_id": "6706658",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-10T00:12:36",
"content": "This makes me think of the evil self replicating nanobots in the Stargate TV series.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "67... | 1,760,372,079.400865 | ||
https://hackaday.com/2023/12/09/how-the-first-ipod-was-blown-wide-open/ | How The First IPod Was Blown Wide Open | Jenny List | [
"ipod hacks"
] | [
"apple",
"ipod",
"Rockbox"
] | If someone makes a device, someone else will want to break it open and run their own software on it. When the original manufacturer is Apple this is never made easy, and as [Daniel Stenberg] reminds us in the case of one of the earlier iPod models
it required an unusual approach
.
In short, an HTML file was found which... | 21 | 3 | [
{
"comment_id": "6706650",
"author": "Olivier",
"timestamp": "2023-12-09T23:34:46",
"content": "Ahhh yes, back when Apple still made things i wanted to have, good memories.While he cost me (and the entire sector i worked in) my job (flash dev) even i can’t deny that Steve Jobs was a legend, but in m... | 1,760,372,079.897284 | ||
https://hackaday.com/2023/12/09/pico-makes-a-so-so-keyboard-neat-o/ | Pico Makes A So-So Keyboard Neat-O | Kristina Panos | [
"Musical Hacks",
"Raspberry Pi"
] | [
"keyboard",
"midi",
"polyphony",
"raspberry pi",
"Raspberry Pi Pico"
] | When someone gives you a crappy little toy keyboard, what can you do? Sadly plunk on the thing one note at a time? Well yes, but that’s not going to get you on Hackaday. Do what [Turi] did and
give that thing a complete overhaul.
[Turi] threw away the original controller board, keeping only the keys, buttons, case, spe... | 9 | 2 | [
{
"comment_id": "6706571",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-09T18:11:44",
"content": "Wow!Considering the low price of the Pico, the keyboard could have been designed around that, and not raised the retail price very much.",
"parent_id": null,
"depth": 1... | 1,760,372,079.452824 | ||
https://hackaday.com/2023/12/09/degrees-of-freedom-but-for-whom/ | Degrees Of Freedom, But For Whom? | Elliot Williams | [
"Hackaday Columns"
] | [
"design",
"newsletter",
"rants",
"user experience"
] | Opening up
this week’s podcast
, I told Kristina about my saga repairing our German toilet valve. I’m American, and although I’ve lived here over a decade, it’s
still
surprising how things can be subtly different from how they worked back home.
But what was amazing about this device was that it had a provision for fine... | 48 | 17 | [
{
"comment_id": "6706539",
"author": "ono",
"timestamp": "2023-12-09T15:30:28",
"content": "I never recognized this as a difficult task, self-teaching myself to fix these mechanisms as a kid. There are many variants, ok, but how come this is “complex” ?The adjustment is necessary because of the mult... | 1,760,372,079.554103 | ||
https://hackaday.com/2023/12/09/marconi-circuit-magnification-meter-gives-up-secrets/ | Marconi Circuit Magnification Meter Gives Up Secrets | Al Williams | [
"Teardown"
] | [
"circuit magnification",
"grid dip oscillator",
"Marconi",
"q meter"
] | [Thomas] picked up a Marconi TF1245 with dents and dings. We have to admit that we had not heard of a “
circuit magnification meter
,” but apparently, this was a thing in the late 1960s and early 1970s. Turns out, we have heard of this kind of meter before, but it was called a Q meter. The device works using a very low... | 5 | 4 | [
{
"comment_id": "6706547",
"author": "Attilio",
"timestamp": "2023-12-09T16:21:12",
"content": "Very nice builded instrument.I believe that you should apply a real inductor to have a mesurement. THe green wire is not a “real” inductor.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,372,079.349378 | ||
https://hackaday.com/2023/12/08/hackaday-podcast-ep-247-cameras-from-gingerbread-or-hardboard-and-the-insecurity-of-bluetooth/ | Hackaday Podcast Ep 247: Cameras From Gingerbread Or Hardboard, And The Insecurity Of Bluetooth | Kristina Panos | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Kristina Panos met up to discuss the best hacks of the previous week. We have no nerdy news this week, but is that necessarily a bad thing?
Speaking of nothingness, we have no winner for What’s That Sound because all six people who responded were wrong. Was the sound of Cl... | 9 | 5 | [
{
"comment_id": "6706356",
"author": "Anders Nielsen",
"timestamp": "2023-12-08T20:42:59",
"content": "Not showing up on Apple Podcasts this week?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6706361",
"author": "a_do_z",
"timestamp": "2023-12-08T20:... | 1,760,372,079.60314 | ||
https://hackaday.com/2023/12/08/diy-walkie-talkie-with-esp32-and-esp-now/ | DIY Walkie-Talkie With ESP32 And ESP-NOW | Maya Posch | [
"Microcontrollers",
"Radio Hacks"
] | [
"ESP-Now",
"ESP32",
"walkie talkie"
] | In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an
ESP32 walkie-talkie system
that uses ESP-NOW for the wireless connection between units, along with a low-cost condenser microphone with a transistor-based preamplifier and an LM386 op-amp for the speaker circuit. In... | 15 | 5 | [
{
"comment_id": "6706338",
"author": "Moritz von Schweinitz",
"timestamp": "2023-12-08T19:22:48",
"content": "Does anyone know if there is a NOT DIY Version of this? Just a “real” walkie-talkie she’ll with a hackable ESP32 and battery inside?",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,372,080.004239 | ||
https://hackaday.com/2023/12/08/this-week-in-security-logofail-national-dns-poison-and-dna/ | This Week In Security: LogoFail, National DNS Poison, And DNA | Jonathan Bennett | [
"Hackaday Columns",
"News"
] | [
"23andMe",
"dns",
"UEFI"
] | When there’s a vulnerability in a system library, we install updates, and go on with our lives. When there’s a vulnerability in a Java library, jars get rebuilt, and fixed builds slowly roll out. But what happens when there’s a vulnerability in a library
used in firmware builds
? And to make it even more fun, it’s not ... | 3 | 3 | [
{
"comment_id": "6706275",
"author": "Ostracus",
"timestamp": "2023-12-08T15:22:39",
"content": "” Obviously, every machine needs to show a full-screen logo on boot. ”Marketing purposes so you’ll know…repeatedly what one wasted their money on.“And finally, we have to let you know about a Hacking boo... | 1,760,372,079.654487 | ||
https://hackaday.com/2023/12/08/the-latest-john-deere-repair-lawsuit-now-has-the-go-ahead/ | The Latest John Deere Repair Lawsuit Now Has The Go-Ahead | Jenny List | [
"News",
"Repair Hacks"
] | [
"john deere",
"legal",
"right to repair"
] | Long time readers will have followed the twists and turns of the John Deere repair saga, in which the agricultural machinery manufacturer has used DRM to restrict the repair of its tractors. It may be hot stuff on the prairies, but it matters to everyone because it’s a key right-to-repair battleground. Now the company’... | 50 | 13 | [
{
"comment_id": "6706232",
"author": "Brad",
"timestamp": "2023-12-08T13:46:49",
"content": ">>One has to ask, how much bad publicity and how many lawsuits do they have to have before someone at head office in Moline figures out that DRM in tractors (or anything else for that matter) isn’t the great... | 1,760,372,079.837879 | ||
https://hackaday.com/2023/12/08/festive-pcb-gives-the-gift-of-hacking/ | Festive PCB Gives The Gift Of Hacking | Kristina Panos | [
"Holiday Hacks",
"PCB Hacks"
] | [
"arduino",
"atmega328p",
"custom PCB",
"LED christmas tree"
] | ‘Tis the season for gift giving, and what better to give than a newfound love for hacking, soldering, and blinkenlights? In order to spread cheer and education at the local hackerspace,
[Tom Goff] created this festive tree circuit board
that can either sit in a stand to be admired, or worn as jewelry. The resistors are... | 9 | 3 | [
{
"comment_id": "6706206",
"author": "Anita",
"timestamp": "2023-12-08T11:47:19",
"content": "Why 5mm LED? Why 1.6mm PCB? Why Through-Hole RES? Why is everything so big? If he wants a woman to wear it for longer than 10 Minutes, he should have gone SMD. Big heavy clunky earrings are a real pain to w... | 1,760,372,079.945107 | ||
https://hackaday.com/2023/12/07/intentional-filament-stringing-helps-santa-soar/ | Intentional Filament Stringing Helps Santa Soar | Donald Papp | [
"3d Printer hacks",
"Art"
] | [
"3d printed",
"backlit",
"christmas",
"decoration",
"santa",
"String Art",
"stringing"
] | Stringing is when a 3D printer’s hot end moves through open air and drags a wisp of melted plastic along with it. This is normally undesirable, but has in the past been done intentionally to create some unconventional prints.
Moonlight Santa from [3dprintbunny]
shows considerable refinement in the technique, complete w... | 3 | 3 | [
{
"comment_id": "6706227",
"author": "2dPrintFox",
"timestamp": "2023-12-08T13:36:25",
"content": "That is so cool!Kudos",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6706228",
"author": "Resin gets me going",
"timestamp": "2023-12-08T13:38:35",
"... | 1,760,372,080.044245 | ||
https://hackaday.com/2023/12/07/one-less-binary-blob/ | One Less Binary Blob | Bryan Cockfield | [
"Software Hacks"
] | [
"binary blob",
"closed source",
"driver",
"ESP32",
"espressif",
"firmware",
"open source",
"proprietary",
"wifi",
"wireless"
] | Open-source software has gone a long way into making modern technology the way it is today. The Linux kernel alone is almost single-handedly holding up the entire Internet, and various other open-source projects allow for more access to computing resources not just because the software is often free, but because it’s p... | 36 | 10 | [
{
"comment_id": "6706106",
"author": "Oliver",
"timestamp": "2023-12-08T03:53:41",
"content": "Awesome!!! Lets hope this continues after the class and students are onto their next thing …With that in mind, theres tons of esp8266 out there too ;(",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,372,080.120123 | ||
https://hackaday.com/2023/12/09/when-is-a-6502-not-quite-a-6502/ | When Is A 6502 Not Quite A 6502? | Jenny List | [
"Parts"
] | [
"6502",
"65c02",
"counterfeit",
"counterfeit parts",
"fake",
"fake chip"
] | We all know that fake chips are a risk when it comes to buying parts on eBay or from Chinese markets such as AliExpress. It’s a simple enough scam, take a cheap chip and mark it as an expensive one, pocket the difference. It’s happened in several different forms, with everything from completely different devices throug... | 20 | 10 | [
{
"comment_id": "6706531",
"author": "0xdeadbeef",
"timestamp": "2023-12-09T14:34:36",
"content": "That title is a bit misleading, as both discussed parts in the article are indeed 6502s – just not the exact part which was labeled.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,080.179421 | ||
https://hackaday.com/2023/12/08/a-ham-radio-answering-machine/ | A Ham Radio Answering Machine | Bryan Cockfield | [
"Radio Hacks"
] | [
"ai",
"amateur radio",
"answering machine",
"boondock",
"ESP32",
"ham",
"radio"
] | For those who grew up with a cell phone in their hand, it might be difficult to imagine a time where the phone wasn’t fully integrated with voicemail. It sounds like a fantastical past, yet at one point a separate machine needed to be attached to the phone to record messages if no one was home to answer. Not only that,... | 15 | 6 | [
{
"comment_id": "6706528",
"author": "0xdeadbeef",
"timestamp": "2023-12-09T14:24:20",
"content": "It’s worth noting that the Boondock Echo has been covered by HaD before:https://hackaday.com/2023/11/10/hands-on-with-boondock-echo/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,080.294383 | ||
https://hackaday.com/2023/12/08/cold-war-spying-and-the-questionable-use-of-smuggled-blueprints-in-developing-supersonic-airliners/ | Cold War Spying And The Questionable Use Of Smuggled Blueprints In Developing Supersonic Airliners | Maya Posch | [
"Engineering",
"History"
] | [
"concorde",
"SST",
"supersonic flight"
] | Although spying is a time-honored tradition, the sheer scope of it reached a fever pitch during the Cold War, when everyone was spying on everyone, and conceivably for both sides at the same time. In an era where both McCarthyism and the character of James Bond enjoyed strong popularity, it should come as no surprise t... | 12 | 7 | [
{
"comment_id": "6706452",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-09T03:37:41",
"content": "McCarthy was correct in his accusations.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6706461",
"author": "Bob",
"ti... | 1,760,372,080.353083 | ||
https://hackaday.com/2023/12/08/mosfets-the-big-lie/ | MOSFETs — The Hidden Gate | Al Williams | [
"Parts"
] | [
"components",
"mosfet",
"semiconductor"
] | How many terminals does a MOSFET have? Trick question since most have three leads, even though there are really four connections to the underlying device. It isn’t a conspiracy, though and [Aaron Lanterman]
talks about how MOSFETs really work
and why thinking of them as three-terminal devices can lead you astray in a r... | 12 | 6 | [
{
"comment_id": "6706429",
"author": "David",
"timestamp": "2023-12-09T00:48:34",
"content": "Four terminal discrete MOSFETs do exist. I have had several 2N4351 FETs sitting around for a while now. I might even find a use for them sometime.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,080.24689 | ||
https://hackaday.com/2023/12/08/metronome-flashes-and-vibrates-to-the-beat/ | Metronome Flashes And Vibrates To The Beat | Kristina Panos | [
"Raspberry Pi"
] | [
"keypad",
"matrix keypad",
"membrane keypad",
"metronome",
"Raspberry Pi Pico",
"vibration motor"
] | Annoying though they can be, if you play any kind of instrument, you will definitely benefit from using a metronome. While many of them thock or otherwise tock,
the VRRVRR metronome from [Turi]
works a little differently.
In addition to flashing LEDs, the VRRVRR contains a small vibrating motor. If you’re wondering abo... | 3 | 2 | [
{
"comment_id": "6706496",
"author": "jbx",
"timestamp": "2023-12-09T10:25:05",
"content": "The flashing signal is very practical for deaf musicians…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6706780",
"author": "Æliott",
"timestamp": "2... | 1,760,372,080.399591 | ||
https://hackaday.com/2023/12/08/switching-converter-for-eeprom-programmer-taxes-solderless-breadboard/ | Switching Converter For EEPROM Programmer Taxes Solderless Breadboard | Dan Maloney | [
"Parts"
] | [
"boost converter",
"breadboard",
"burner",
"eeprom",
"programming",
"rom",
"solderless",
"switching"
] | We all know that solderless breadboards have their limitations. All that stray capacitance can play hell with circuits, especially high-speed stuff, but they’re so darn useful that avoiding them in favor of some other prototyping method can be really hard. So we often just forge ahead, plugging in our parts and hoping ... | 13 | 9 | [
{
"comment_id": "6706411",
"author": "Tom G",
"timestamp": "2023-12-08T23:37:39",
"content": "With switching circuirs, excessive wire inductance is as much of a problem as capacitance. A rule of thumb is 1nH/mm, so a 4 inch/100mm wire “contains” 100nH. Use that to work out resonant frequencies and i... | 1,760,372,080.515677 | ||
https://hackaday.com/2023/12/08/check-your-board-call-for-submissions/ | Check Your Board: Call For Submissions | Arya Voronova | [
"Featured",
"hardware",
"PCB Hacks",
"Slider"
] | [
"community review",
"design review",
"PCB design"
] | As both beginning hackers and Silicon Valley investors alike keep discovering, there are a lot of differences between hardware and software. One important difference is cost of iterating over a design. In software, you can comfortably rerun your build process and push updates out near instantly to tons of users. In har... | 41 | 13 | [
{
"comment_id": "6706323",
"author": "Adam Paul",
"timestamp": "2023-12-08T18:20:52",
"content": "This is a great idea. I’m a software guy, slowly trying to find my way in the hardware world.What I’ve noticed is that in software, there’s an abundance of useful help out there – articles, clear docume... | 1,760,372,080.598786 | ||
https://hackaday.com/2023/12/07/fail-of-the-week-mark-makes-an-atari-cartridge/ | Fail Of The Week: [Mark] Makes An Atari Cartridge | Al Williams | [
"Games"
] | [
"atari 2600",
"cartridge",
"console"
] | Part of the magic of the movies is that the actors always know what will happen next. There never has to be a scene where James Bond orders wine, and the sommelier has to correct his pronunciation, or he miscounts his hand at baccarat. Real life is rarely as smooth. Of course, YouTube is more akin to a movie than real ... | 8 | 6 | [
{
"comment_id": "6706150",
"author": "Sjaak",
"timestamp": "2023-12-08T07:41:52",
"content": "Nice view of the whole proces and kuddo’s for the effort to create a nice cart.If he would desolder the dip chip and capacitor. clip the leads much shorter and resolder them the socket would be more flush.A... | 1,760,372,080.647493 | ||
https://hackaday.com/2023/12/07/upgrade-puts-a-lot-of-zeroes-on-kit-built-frequency-counter/ | Upgrade Puts A Lot Of Zeroes On Kit-Built Frequency Counter | Dan Maloney | [
"Tool Hacks"
] | [
"calibration",
"crystal oscillator",
"frequency counter",
"reference",
"standard",
"temperature compensated",
"VCTCXO"
] | If there’s anything more viscerally pleasing than seeing an eight-digit instrument showing a measurement with all zeroes after the decimal point, we’re not sure what it could. Maybe rolling the odometer over to another 100,000 milestone?
Regardless, getting to such a desirable degree of accuracy isn’t always easy, espe... | 0 | 0 | [] | 1,760,372,080.6825 | ||
https://hackaday.com/2023/12/07/basic-in-your-browser/ | BASIC In Your Browser | Al Williams | [
"Retrocomputing",
"Software Hacks"
] | [
"basic",
"tiddlywiki"
] | If you are a certain age or just like retrocomputers, you probably have a soft spot for good old-fashioned BASIC. If you miss those days but don’t want to install a modern interpreter, you don’t have to. Just load a web page containing the “
BASIC Anywhere Machine
” from [CJ Veniot]. Worried about it being “in the clou... | 30 | 8 | [
{
"comment_id": "6705963",
"author": "Feinfinger (super villain in nostalgy mode)",
"timestamp": "2023-12-07T20:03:20",
"content": "“”” If you are a certain age or just like retrocomputers, you probably have a soft spot for good old-fashioned BASIC. “””Luckily this is *not* the early variant of crip... | 1,760,372,081.009989 | ||
https://hackaday.com/2023/12/07/keebin-with-kristina-the-one-with-the-biblically-accurate-keyboard/ | Keebin’ With Kristina: The One With The Biblically-Accurate Keyboard | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks"
] | [
"biblically accurate",
"mouse switches",
"num pad",
"stream deck",
"typewriter collection"
] | Well, it was bound to happen at some point.
[sporewoh]’s bunchiez40 keyboard for ants is made of mouse switches
, which of course begs for a mouse made of keyboard switches.
Image by [sporewoh] via
GitHub
[sporewoh]’s keyboards have been steadily shrinking, and they built this in order to get the smallest possible form... | 5 | 3 | [
{
"comment_id": "6705954",
"author": "J Samson",
"timestamp": "2023-12-07T19:29:35",
"content": "I usually enjoy these articles, but the “eww” in response to the switch choice for a non-electronic toy seems super elitest (for no reason). Also, seeing as how the title for the article referenced “bibl... | 1,760,372,080.754352 | ||
https://hackaday.com/2023/12/07/making-visual-anagrams-with-help-from-machine-learning/ | Making Visual Anagrams, With Help From Machine Learning | Donald Papp | [
"Art",
"Artificial Intelligence"
] | [
"ai",
"diffusion models",
"optical illusion",
"visual anagram"
] | [Daniel Geng] and others have an interesting system of generating multi-view optical illusions, or visual anagrams. Such images have more than one “correct” view and visual interpretation.
What’s more, there are quite a few different methods on display: 90 degree flips and other (orthogonal) image rotations, color inve... | 1 | 1 | [
{
"comment_id": "6706091",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-08T02:56:07",
"content": "Following an example in an early 1980s magazine, (Omni?), I made drawing of my name, and when it was rotated 180 degrees it was my girlfriend’s name.Too bad we broke 💔 up…",
... | 1,760,372,081.131582 | ||
https://hackaday.com/2023/12/07/artemis-next-giant-leap-orbital-refueling/ | Artemis’ Next Giant Leap: Orbital Refueling | Tom Nardi | [
"Featured",
"Interest",
"Original Art",
"Slider",
"Space"
] | [
"Artemis",
"Blue Moon",
"Blue Origin",
"moon",
"nasa",
"SpaceX",
"starship"
] | By the end of the decade, NASA’s Artemis program hopes to have placed boots back on the Moon for the first time since 1972. But not for the quick sightseeing jaunts of the Apollo era — the space agency wants to send regular missions made up of international crews down to the lunar surface, where they’ll eventually have... | 32 | 10 | [
{
"comment_id": "6705867",
"author": "Pat",
"timestamp": "2023-12-07T15:20:07",
"content": "“The only way this refueling process will be economically viable,”I mean… the Starship version’s not intended to be economically viable. That’s the entire reason Blue Origin filed the lawsuit challenging the ... | 1,760,372,081.086407 | ||
https://hackaday.com/2023/12/07/hacking-the-xiaomi-mi-band-8-with-custom-firmware/ | Hacking The Xiaomi Mi Band 8 With Custom Firmware | Maya Posch | [
"Reverse Engineering",
"Wearable Hacks"
] | [
"fitness band",
"fitness tracker"
] | Over the past years, fitness trackers have gone from fairly unobtrusive bands that relied mostly on smartphone apps for interaction to essentially being fashion statements and smart watches, with large screens and impressive specs. The Xiaomi Mi Band 8 is no exception, with a zippy MCU and a 1.62″ AMOLED screen that ju... | 11 | 8 | [
{
"comment_id": "6705848",
"author": "Geek Fantasy",
"timestamp": "2023-12-07T14:11:03",
"content": "Cool man! Cannot wait to see it completely hacked.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6706093",
"author": "IsRadioKill",
"timestamp": "2023... | 1,760,372,083.065384 | ||
https://hackaday.com/2023/12/07/the-chocolate-must-flow-this-holiday-season/ | The Chocolate Must Flow This Holiday Season | Kristina Panos | [
"cooking hacks"
] | [
"chocolate",
"chocolate fountain",
"conveyor",
"enrober",
"enrobing",
"flex coupler",
"motor",
"wasabi peas"
] | After a long December of hand-coating chocolates for relatives last year, [Chaz] decided that enough was enough and
built a chocolate enrobing machine
to do the dirty work for him. As a side project, he built a rotary tumbler to chocolate-coat things like wasabi peas, which we assume are designated for [Chaz]’s enemies... | 8 | 5 | [
{
"comment_id": "6705860",
"author": "Graham",
"timestamp": "2023-12-07T14:52:43",
"content": "I’ve noticed through hours of research (aka watching How Its Made) that after being en-robbed most chocolate factories have a blower to “blow off excess chocolate”.",
"parent_id": null,
"depth": 1,... | 1,760,372,082.938394 | ||
https://hackaday.com/2023/12/06/wio-terminal-makes-passable-oscilloscope/ | Wio Terminal Makes Passable Oscilloscope | Bryan Cockfield | [
"Tool Hacks"
] | [
"display",
"microcontroller",
"oscilloscope",
"programming",
"SAMD51",
"wio terminal"
] | There was a time when getting a good oscilloscope not only involved a large outlay of capital, but also required substantial real estate on a workbench. The situation has improved considerably for the hobbyist, but a “real” scope can still cost more than what a beginner is looking to spend. Luckily, plenty of modern mi... | 3 | 3 | [
{
"comment_id": "6705882",
"author": "CMH62",
"timestamp": "2023-12-07T16:09:31",
"content": "Thx for the embedded links. I’m enjoying reading up on the game development link you posted.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6705981",
"author": "... | 1,760,372,082.662976 | ||
https://hackaday.com/2023/12/06/japans-jt-60sa-generates-first-plasma-as-worlds-largest-superconducting-tokamak-fusion-reactor/ | Japan’s JT-60SA Generates First Plasma As World’s Largest Superconducting Tokamak Fusion Reactor | Maya Posch | [
"Science"
] | [
"fusion",
"nuclear fusion",
"tokamak"
] | Comparison of toroidal field (TF) coils from JET, JT-60SA and ITER (Credit: QST)
Japan’s JT-60SA fusion reactor project
announced first plasma
in October of this year to denote the successful upgrades to what is now the world’s largest operational, superconducting tokamak fusion reactor. First designed in the 1970s as ... | 35 | 10 | [
{
"comment_id": "6705685",
"author": "ian 42",
"timestamp": "2023-12-07T05:24:42",
"content": "fusion has been 10 years away since the 60’s. And will be 10 years away when I buried..That said, plasma research is a good thing to be doing..",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,083.015283 | ||
https://hackaday.com/2023/12/06/a-revolution-in-vehicle-drivetrains/ | A Revolution In Vehicle Drivetrains? | Navarre Bartz | [
"car hacks",
"News"
] | [
"drivetrain",
"electric vehicle",
"evs",
"suspension"
] | Power delivery in passenger vehicle drivetrains hasn’t changed much since the introduction of the constant velocity (CV) joint in the 1930s. Most electric vehicles still deliver power via the same system used by internal combustion cars. Hyundai/Kia has now revealed a system they think will provide a new paradigm with ... | 47 | 23 | [
{
"comment_id": "6705549",
"author": "MmmDee",
"timestamp": "2023-12-07T00:11:24",
"content": "Where’s the young Instagram/TikTok boy that yells, “bullsh*t”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6705971",
"author": "young Instagram/TikTok",... | 1,760,372,082.789002 | ||
https://hackaday.com/2023/12/06/a-fully-transparent-air-bubble-display/ | A Fully-Transparent Air Bubble Display | Kristina Panos | [
"classic hacks",
"Misc Hacks"
] | [
"acrylic",
"bending acrylic",
"bubble display",
"leds",
"solenoid"
] | We all have good intentions when starting a new project, but then again, we all know where those lead. Such is the case with [RealCorebb]’s
BBAir project, a completely transparent air bubble display
. Although the plan was to spend about three months on it, the months slowly added up to a full year of tinkering.
It all... | 5 | 4 | [
{
"comment_id": "6705503",
"author": "Alan Kilian",
"timestamp": "2023-12-06T22:42:38",
"content": "A group of of from the Twin Cities Robotics group helped the artist Bruce Shapiro build a three-story tall, 96-tube wide bubble display at the Ontario Science Centre.https://www.taomc.com/pipe-dreamTh... | 1,760,372,082.832075 | ||
https://hackaday.com/2023/12/06/anthrobots-tiny-robots-from-tracheal-epithelium-cells-that-can-fix-neural-damage/ | Anthrobots: Tiny Robots From Tracheal Epithelium Cells That Can Fix Neural Damage | Maya Posch | [
"Science"
] | [
"anthrobots",
"cellular regeneration"
] | Although we often regard our own bodies and those of the other multicellular organisms around us as a singular entity, each cell that makes up our body is its own, nano-robot. One long-existing question was whether these cells can be used for other tasks — like biological robots — after they have specialized into a spe... | 10 | 3 | [
{
"comment_id": "6705409",
"author": "Cyna",
"timestamp": "2023-12-06T19:54:49",
"content": "Epithelial cells are the best for cloning (hint: long ladder).",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6705523",
"author": "MmmDee",
"timestam... | 1,760,372,082.887152 | ||
https://hackaday.com/2023/12/06/when-nearly-flat-isnt-really-flat/ | When Nearly Flat Isn’t Really Flat | Jenny List | [
"Hackaday Columns",
"Slider",
"Tech Hacks"
] | [
"flat surface",
"machining",
"whitworth"
] | Is Mk really flat? Thomas Nugent,
CC BY-SA 2.0
.
From where I am sitting, the earth is flat. The floor that runs the length of the unit my hackerspace sits in is flat, the concrete apron behind it on which we test our Hacky Racers is flat, and a few undulations in terrain notwithstanding, it remains flat as I walk up t... | 84 | 20 | [
{
"comment_id": "6705360",
"author": "Ale",
"timestamp": "2023-12-06T18:14:07",
"content": "O, un mármol de ajuste !",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6706335",
"author": "Patrick LeBoutillier",
"timestamp": "2023-12-08T19:09:31"... | 1,760,372,083.194921 | ||
https://hackaday.com/2023/12/05/affordable-networking-for-your-classic-mac/ | Affordable Networking For Your Classic Mac | Jenny List | [
"Mac Hacks",
"Retrocomputing"
] | [
"Macintosh SE/30",
"network card",
"SE/30"
] | The Mac SE and in particular the Mac SE/30 number among the more sought-after of the classic all-in-one Apple computers, and consequently their peripherals including network cards are also hard to find and pricey. Even attempts at re-creating them can be expensive, usually because the chips used back in the day are now... | 1 | 1 | [
{
"comment_id": "6705567",
"author": "Joshua",
"timestamp": "2023-12-07T00:39:55",
"content": "Thanks for the article.Personally, though, I’ve always found vintage networks to be fascinating.Like, for example, PhoneNet.The other way round, a modern implementation of a vintage network technology like... | 1,760,372,082.70276 | ||
https://hackaday.com/2023/12/05/retrotechtacular-the-gunsmith-of-williamsburg/ | Retrotechtacular: The Gunsmith Of Williamsburg | Jenny List | [
"Hackaday Columns",
"Retrotechtacular",
"Weapons Hacks"
] | [
"gunsmith",
"long rifle",
"rifle"
] | A modern firearm is likely to be mass-produced using high-precision machine tools, and with a uniformity to the extent that parts from one can be interchanged with those from another. This marks a progression of centuries of innovation, in gunsmithing, in machine tooling, and in metallurgy. In the 18th century there wa... | 11 | 8 | [
{
"comment_id": "6705074",
"author": "Doug Leppard",
"timestamp": "2023-12-05T21:04:59",
"content": "I have our family musket. Unbelievably heavy. We have never fired it. Will be interesting to see how it was made. Takes a lot to fire just one shot. We have a powder horn also.I doubt an Arduino or... | 1,760,372,083.451918 | ||
https://hackaday.com/2023/12/05/a-single-board-computer-with-vacuum-tubes/ | A Single Board Computer, With Vacuum Tubes | Jenny List | [
"classic hacks",
"computer hacks"
] | [
"1-bit",
"MC14500",
"vacuum tube"
] | We have occasionally featured vacuum tube computers here at Hackaday and we’ve brought you many single board computers, but until now it’s probable we haven’t brought you a machine that combined both of these things.
Now thanks to [Usagi Electric] we can see just such a board
, in the form of his UE-0.1, a roughly 260 ... | 8 | 3 | [
{
"comment_id": "6705128",
"author": "Jerome Hess",
"timestamp": "2023-12-06T03:32:31",
"content": "WOW, if I were still in college with the memory I had and the spare time to go along with it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6705132",
"autho... | 1,760,372,084.255571 | ||
https://hackaday.com/2023/12/05/mining-and-refining-titanium-our-youngest-industrial-metal/ | Mining And Refining: Titanium, Our Youngest Industrial Metal | Dan Maloney | [
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"magnesium",
"Mining and Refining",
"reduction",
"titanium",
"vacuum arc remelting"
] | Earlier in this series, we made the case for copper being
“the metal that built technology.”
Some readers took issue with that statement, noting correctly that meteoric iron and gold were worked long before our ancestors were able to locate and exploit natural copper outcroppings, therefore beating copper to the histor... | 9 | 4 | [
{
"comment_id": "6705090",
"author": "hmm...",
"timestamp": "2023-12-05T22:45:01",
"content": "Electrodeoxidation of TiO2 in molten salt system is far more practical than thermite and will likely replace the kroll process in timeAnhydrous NaCl and CaCl2 salt (500 g in molar ratio 0.48:0.52) were pla... | 1,760,372,083.640154 | ||
https://hackaday.com/2023/12/05/cockpit-instrument-respectfully-retasked-as-a-clock/ | Cockpit Instrument Respectfully Retasked As A Clock | Dan Maloney | [
"clock hacks"
] | [
"avioics",
"cockpit",
"dac",
"distance measuring equipment",
"DME",
"Panaplex",
"pic16"
] | How do you convert an old cockpit instrument into a clock? Easy: just build a circuit that convinces it it’s in the air, and the rest will take care of itself.
Now obviously, little about [porkfreezer]’s
conversion of King KI 266 DME into a clock
was actually easy; working with avionics rarely is. DME stands for “Dista... | 3 | 2 | [
{
"comment_id": "6705126",
"author": "Mr Name Required",
"timestamp": "2023-12-06T03:16:38",
"content": "Can’t see the connector directly but from the pattern I reckon it’s likely to be a military/avionics Winchester MRAC unit, available in a bewildering array of options of which none are cheap, eve... | 1,760,372,083.405394 | ||
https://hackaday.com/2023/12/05/mini-apple-iie-now-fully-functional/ | Mini Apple IIe Now Fully Functional | Navarre Bartz | [
"Retrocomputing"
] | [
"Apple //e",
"apple II",
"apple iie",
"Mega II",
"retrocomputer",
"rp2040"
] | Here at Hackaday, we love living in a future with miniaturized versions of our favorite retrocomputers. [James Lewis] has given us another with his fully functional
Apple IIe from the Mega II chip
.
When we last checked in on the
Mega IIe,
it was only just booting and had a ways to go before being a fully functional Ap... | 1 | 1 | [
{
"comment_id": "6773518",
"author": "Mark Manning",
"timestamp": "2024-07-05T19:58:34",
"content": "Fantastic project. Here is one that would be great also – A stand alone card that allows you to plug in old 5.25″ Apple Floppy drives and provides a USB cable that goes to a PC. In this way, you are ... | 1,760,372,083.360898 | ||
https://hackaday.com/2023/12/04/finally-a-typeface-for-hardware-people/ | Finally! A Typeface For Hardware People | Jenny List | [
"Art"
] | [
"ASCII",
"font",
"serial",
"trace"
] | When it comes to novelty typefaces there is no shortage of weird and wonderful fonts to be found when you have finally tired of Comic Sans. Everything from bananas forming letters to Wild West saloon lettering can be yours, plus of course our favourite, the embossed Dymo label. But there’s a new kid on the novelty type... | 11 | 6 | [
{
"comment_id": "6704979",
"author": "mip",
"timestamp": "2023-12-05T07:00:28",
"content": "This is my kind of humor. I love it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6704981",
"author": "Stephen Walters",
"timestamp": "2023-12-05T07:02:22",
... | 1,760,372,084.077148 | ||
https://hackaday.com/2023/12/06/operate-your-own-nuclear-reactor-virtually/ | Operate Your Own Nuclear Reactor, Virtually | Al Williams | [
"Games"
] | [
"Nuclear Reactor",
"simulator"
] | If you’ve ever wanted to operate your own nuclear reactor, you probably aren’t going to get one in your backyard shop. However, thanks to the University of Manchester,
you can get a simulated one in your browser
. The pressurized water reactor looks realistic and gives you controls that — we are fairly sure — are great... | 33 | 14 | [
{
"comment_id": "6705308",
"author": "tonygoacher",
"timestamp": "2023-12-06T16:41:22",
"content": "Or you could go back to 1981 and run thishttps://en.wikipedia.org/wiki/Scram_(video_game)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6705356",
"au... | 1,760,372,083.907066 | ||
https://hackaday.com/2023/12/06/ask-hackaday-could-rating-airlines-stop-flights-from-spreading-diseases/ | Ask Hackaday: Could Rating Airlines Stop Flights From Spreading Diseases? | Lewin Day | [
"Featured",
"Interest",
"Original Art",
"Rants",
"Slider"
] | [
"air travel",
"airline",
"data collection",
"Disease",
"flights",
"flights from hell",
"infectious diseases",
"website"
] | A few weeks ago, I found myself the victim of flights from hell. My first flight was cancelled, leaving me driving home late at night, only to wake again for a red-eye the next morning. That was cancelled as well, with the second replacement delayed by a further hour. All in all I ended up spending a good ten hours ext... | 82 | 24 | [
{
"comment_id": "6705251",
"author": "Mark Topham",
"timestamp": "2023-12-06T15:17:22",
"content": "You don’t actually know where you picked stuff up from.Many things have 2-3 incubation days, even things like food poisoning can have 24-48hr incubation periods and that’s directly ingested.As someone... | 1,760,372,084.206556 | ||
https://hackaday.com/2023/12/06/the-deere-disease-spreads-to-trains/ | The Deere Disease Spreads To Trains | Jenny List | [
"Reverse Engineering"
] | [
"drm",
"newag",
"reverse engineering",
"right to repair",
"trains"
] | If the right-to-repair movement has a famous story, it’s the familiar green and yellow John Deere tractor. Farmers and mechanics have done their own repairs as long as there have been tractors, but more recent Deeres have been locked down such that only Deere-authorised agents can fix them. It’s a trend that has hurt t... | 37 | 17 | [
{
"comment_id": "6705186",
"author": "daveboltman",
"timestamp": "2023-12-06T12:11:50",
"content": "Ja, we need to kill the mental concept in these organisations that doing such nasty tricks is in any way acceptable.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,372,083.97952 | ||
https://hackaday.com/2023/12/06/dry-ice-from-seashells-the-hard-but-cheap-way/ | Dry Ice From Seashells, The Hard (But Cheap) Way | Dan Maloney | [
"chemistry hacks"
] | [
"calcium cabonate",
"carbon dioxide",
"co2",
"condensation",
"cryocooler",
"cryogenics",
"dry ice",
"quicklime",
"slaked lime"
] | [Hyperspace Pirate] wants to make his own dry ice, but he wants it to be really, really cheap. So naturally, his first stop is… the beach?
That’s right, the beach, because that’s where to find
the buckets of free seashells that he turned into dry ice
. Readers may recall
previous efforts at DIY dry ice
, which used bak... | 11 | 8 | [
{
"comment_id": "6705183",
"author": "tony",
"timestamp": "2023-12-06T12:04:56",
"content": "Cool video!Ice, ice baby.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6705187",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-06T12... | 1,760,372,084.03122 | ||
https://hackaday.com/2023/12/05/directional-antenna-stands-tall/ | Directional Antenna Stands Tall | Al Williams | [
"Radio Hacks"
] | [
"antenna",
"ham radio",
"vertical antenna"
] | When you think of directional ham radio antennas, you probably think of a Yagi, cubical quad, or a log-periodic antenna. These antennas usually are in a horizontal configuration up on a high tower. However, it is possible to build beams with a vertical orientation and, for some lower frequencies, it is far more practic... | 7 | 7 | [
{
"comment_id": "6705258",
"author": "Myself",
"timestamp": "2023-12-06T15:24:36",
"content": "This is why cell towers in the vicinity of MW (AM) transmitter sites will have an extra set of wires suspended alongside the tower. These are connected to a variable inductor/capacitor and used to “tune” t... | 1,760,372,084.297201 | ||
https://hackaday.com/2023/12/05/inside-a-rubidium-frequency-standard/ | Inside A Rubidium Frequency Standard | Al Williams | [
"clock hacks",
"Misc Hacks"
] | [
"atomic clock",
"Frequency Standard",
"rubidium",
"rubidium frequency standard"
] | We think of crystals as the gold standard of frequency generation. However, if you want real precision, you need something either better than a crystal or something that will correct for tiny errors — often called disciplining the oscillator. [W3AXL] picked up
a rubidium reference oscillator
on eBay at a low cost, and ... | 14 | 6 | [
{
"comment_id": "6705104",
"author": "steve",
"timestamp": "2023-12-06T00:06:14",
"content": "I thought he was going to discipline the rubidium oscillator with the GPS signal? I have a couple of old cell site rubidium frequency references and that’s how they work. My understanding is that this wil... | 1,760,372,084.3484 | ||
https://hackaday.com/2023/12/05/this-pogo-pin-test-fixture-keep-your-smds-from-taking-flight/ | This Pogo Pin Test Fixture Keep Your SMDs From Taking Flight | Dan Maloney | [
"Tool Hacks"
] | [
"lcr",
"pogo pins",
"smd",
"smt",
"surface mount",
"test",
"test ficture"
] | There’s no denying how useful surface mount technology is, and how enabling the ability to make really small circuits has become. It comes at a price, though; most of us probably know what it’s like for the slightest wrong move to send a part the size of a grain of sand into another dimension.
To help make testing thes... | 12 | 7 | [
{
"comment_id": "6705089",
"author": "Carl Foxmarten",
"timestamp": "2023-12-05T22:44:29",
"content": "My big fingers wouldn’t be able to handle something like this very well. Ingenious for those who can handle such a setup, though!Once you get to Tony enough SMD parts, would it be easier to have la... | 1,760,372,084.395132 | ||
https://hackaday.com/2023/12/04/better-3d-printing-overhangs-dive-dive/ | Better 3D Printing Overhangs? Dive! Dive! | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"overhangs"
] | If you want better 3D-printed overhangs, you need better cooling, right? What would be better for cooling than printing submerged in water? It turns out [CPSdrone] tried it, and, at least for overhangs,
it seems to work pretty well
. Check it out in the video below.
Of course, there are some downsides. First, the parts... | 28 | 13 | [
{
"comment_id": "6704952",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-05T04:08:57",
"content": "So, even though “it’s born in water” a benchy still won’t float.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6704957",
"author": ... | 1,760,372,084.461986 | ||
https://hackaday.com/2023/12/04/stereoscopic-macro-lens-shows-two-is-better-than-one/ | Stereoscopic Macro Lens Shows Two Is Better Than One | Al Williams | [
"digital cameras hacks"
] | [] | You’d be forgiven if you thought [Nicholas Sherlock’s] new lens design was a macro lens that was 3D printed. In fact, it is, but it is also
a macro lens that takes 3D images
using two different cameras. If you have a pair of Sony E/FEs, you can
3D print your own copy today
. If you don’t, you might have to adjust the d... | 10 | 5 | [
{
"comment_id": "6704953",
"author": "echodelta",
"timestamp": "2023-12-05T04:10:40",
"content": "Should put both regular and cross-eye 3D’s up to see, cross-eye doesn’t take any glasses to see.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6705072",
... | 1,760,372,084.603782 | ||
https://hackaday.com/2023/12/04/powering-a-cavity-magnetron-from-a-battery/ | Powering A Cavity Magnetron, From A Battery | Jenny List | [
"Radio Hacks"
] | [
"2.4 ghz",
"high voltage",
"magnetron"
] | While vacuum electronic devices have largely been superseded over much of consumer electronics, there’s one place where they can still be found for now. The cavity magnetron is a power RF oscillator device in which electrons are induced to move in a circular path through a tuned cavity, inducing a high-power RF field, ... | 47 | 7 | [
{
"comment_id": "6704842",
"author": "LouLouLou",
"timestamp": "2023-12-04T20:24:27",
"content": "this is so hideously dangerous and irresponsible — If you want to blind / cook yourself / get cancer in your own lab that is one thing, but I have huge issues with making this thing portable. You might ... | 1,760,372,084.692102 | ||
https://hackaday.com/2023/12/04/retrotechtacular-the-story-of-turpentine/ | Retrotechtacular: The Story Of Turpentine | Dan Maloney | [
"Retrotechtacular",
"Slider"
] | [
"distillation",
"flux",
"resin",
"retrotechtacular",
"rosin",
"solder",
"Solvent",
"turpentine"
] | If someone in 2023 has ever had much call to use turpentine, chances are good it was something to do with paint or other wood finishes, like varnish. Natural turpentine is the traditional solvent of choice for oil paints, which have decreased in popularity with the rise of easy-to-clean polymer-based paints and coating... | 33 | 8 | [
{
"comment_id": "6704837",
"author": "Anonymous",
"timestamp": "2023-12-04T20:06:31",
"content": "It’s wild how what would presently require a billion-dollar industrial facility, was once accomplished by a few guys with some barrels, a horse, and a still. There’s a lesson to be learned there, I thin... | 1,760,372,085.462645 | ||
https://hackaday.com/2023/12/04/usb-c-for-hackers-program-your-own-psu/ | USB-C For Hackers: Program Your Own PSU | Arya Voronova | [
"Hackaday Columns",
"Slider"
] | [
"design",
"diy",
"power supply",
"USB-C PD",
"usbc"
] | Last time,
I showed off a few ways you can convert an existing PSU to USB-C duty, and zoomed in on a particular way you can use to convert one of the ever-abundant 18 V – 20 V laptop PSUs to USB-C. All we have left is to write software for it, and I’ll explain how it works. There’s also that one cool USB-C secret I’ve ... | 20 | 7 | [
{
"comment_id": "6704823",
"author": "Moriel",
"timestamp": "2023-12-04T19:30:00",
"content": "This is awesome!However a correction is in order. 45W power supplies from the large OEMs are extremely ubiquitous (~2.31A with Dell and HP, 2.25A with Lenovo, ~2.37A from Asus, Dynabook/Toshiba and Acer).A... | 1,760,372,085.128783 | ||
https://hackaday.com/2023/12/04/the-hoarders-dilemma-hack-chat/ | The Hoarder’s Dilemma Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, December 6 at noon Pacific for the
The Hoarder’s Dilemma Hack Chat
with Gabe Emerson!
There’s a lot to be said for the power of a well-stocked junk bin. It’s almost a magical thing, being able to dive into a random box and retrieve just the right part to perform a needful repair or to complete a p... | 31 | 14 | [
{
"comment_id": "6704817",
"author": "smellsofbikes",
"timestamp": "2023-12-04T19:23:52",
"content": "I talk about this a lot with coworkers, who are all hoarder electrical engineers, and one of the things that comes up is the necessity for sorting and discarding, especially when we acquire new stuf... | 1,760,372,085.348778 | ||
https://hackaday.com/2023/12/04/another-omnibot-2000-upgrade/ | Another OmniBot 2000 Upgrade | Al Williams | [
"Raspberry Pi",
"Robots Hacks",
"Toy Hacks"
] | [
"Omnibot-2000",
"Tomy"
] | There were many toy robots back in the 80s that were — frankly — underwhelming by today’s standards. Back then, any old thing that rolled around with some blinking lights would impress, but the bar is higher today. Then again, some of the basic components won’t really change. You still need wheels, motors, batteries, a... | 0 | 0 | [] | 1,760,372,084.91545 | ||
https://hackaday.com/2023/12/04/italy-proposes-minimalist-lunar-outpost-for-artemis/ | Italy Proposes Minimalist Lunar Outpost For Artemis | Tom Nardi | [
"Featured",
"Interest",
"Original Art",
"Slider",
"Space"
] | [
"Artemis",
"artemis program",
"moon",
"nasa"
] | When humanity first step foot on the Moon, they couldn’t stay around for very long. The Apollo program was limited by the technology of the era — given the incredible cost per kilogram to put a payload down on the lunar surface, it wasn’t feasible to bring down enough consumables for a lengthy stay. Even if they could ... | 26 | 7 | [
{
"comment_id": "6704749",
"author": "CRJEEA",
"timestamp": "2023-12-04T15:10:18",
"content": "It does make me wonder, why crash the iss into point nemo when they could grab it and throw it at the moon.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6704753"... | 1,760,372,085.266661 | ||
https://hackaday.com/2023/12/04/this-laser-cut-one-piece-wedge-tenon-locks-wood-joints-tight/ | This Laser-Cut One-Piece Wedge Tenon Locks Wood Joints Tight | Dan Maloney | [
"Laser Hacks",
"Parts"
] | [
"joinery",
"joint",
"laser cutter",
"mortise",
"tenon",
"Wedge",
"woodworking"
] | Woodworkers have always been very clever about making strong and attractive joints — think of the strength of a mortise and tenon, or the artistry of a well-made dovetail. These joints have been around for ages and can be executed with nothing more than chisels and a hand saw, plus a lot of practice, of course. But new... | 24 | 8 | [
{
"comment_id": "6704700",
"author": "RunnerPack",
"timestamp": "2023-12-04T12:37:29",
"content": "Last word of 2nd paragraph should be “mortise”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6704704",
"author": "mip",
"timestamp": "2023-12-04T12:49:... | 1,760,372,085.193631 | ||
https://hackaday.com/2023/12/04/mini-meters-monitor-microprocessor-maximization/ | Mini Meters Monitor Microprocessor Maximization | Adam Fabio | [
"Arduino Hacks",
"computer hacks"
] | [
"arduino",
"CPU monitor",
"gauge",
"meter",
"rgb"
] | [Lex] over at
Computing: The Details
loves to make fun projects. Recently, they have created a
hardware CPU monitor
that displays how PCs are parallelizing compile tasks at a glance. The monitor is built from 14 analog meters, along with some WS2812 RGB LEDs.
Each meter represents a core on [Lex]’s CPU, while the final... | 11 | 6 | [
{
"comment_id": "6704688",
"author": "paulvdh",
"timestamp": "2023-12-04T11:56:57",
"content": "A bit silly but also fun sort of project. But there are a few things a bit confusing.Why start with 5mA meters? Is this the native current of these? (100uA used to be very common), or else 5V meters that... | 1,760,372,084.964184 | ||
https://hackaday.com/2023/12/03/a-handheld-hackintosh-but-so-much-more/ | A Handheld Hackintosh, But So Much More | Jenny List | [
"computer hacks",
"handhelds hacks"
] | [
"hackintosh",
"handheld",
"Lattepanda"
] | As handheld computing has solidified alongside everything else into the mobile phone, it’s sad that the once promising idea of a general purpose machine in the palm of the hand has taken a turn into the dumbed-down walled-garden offered by smartphone vendors. There was a time when it seemed that a
real
computer might b... | 2 | 1 | [
{
"comment_id": "6704706",
"author": "Adrien",
"timestamp": "2023-12-04T12:58:42",
"content": "The design is not as sleek as Apple products, but for a hackintosh it’s perfect! Also the keyboard alone seems interesting and is sold on Etsy. It uses an rp2040 board, the doc is here (but I couldn’t find... | 1,760,372,085.390758 | ||
https://hackaday.com/2023/12/03/pico-wspr-tx-does-it-in-software/ | Pico-WSPR-tx Does It In Software | Elliot Williams | [
"Radio Hacks"
] | [
"amateur radio",
"digital mode",
"ham radio",
"radio",
"wspr"
] | What do you need to make a radio transmitter? There are builds that work with just a couple of transistors. But how about a GPS-disciplined small signal beacon? You can actually get the job done for less than the cost of a fancy hamburger, thanks to [RPiks]’s
pico-WSPR-tx
and the Weak Signal Propagation Reporter Networ... | 38 | 9 | [
{
"comment_id": "6704633",
"author": "wb4ilp",
"timestamp": "2023-12-04T03:27:23",
"content": "WSPR is definitely one of the coolest aspects of amateur radio especially for those of us more intrigued with the technology of radio communications than with the on air interaction with other amateurs. T... | 1,760,372,085.541169 | ||
https://hackaday.com/2023/12/03/hackaday-links-december-3-2023/ | Hackaday Links: December 3, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"china",
"cybertruck",
"engine",
"F150",
"ford",
"hackaday links",
"ice",
"laser",
"patent",
"pickup",
"psychology",
"tesla",
"well-being"
] | Sure, it does less than originally promised, but hey — at least it’s more expensive. That about sums up Tesla fans’ feelings after
the long-awaited Cybertruck reveal
at the Texas Gigafactory on Thursday, where Elon Musk himself handed over the keys — or their Cyber equivalent — to a few new owners. These are expensive ... | 28 | 9 | [
{
"comment_id": "6704599",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-04T00:01:50",
"content": "Nice to have HaD Links back!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6704600",
"author": "The Commenter Formerly Known ... | 1,760,372,085.608559 | ||
https://hackaday.com/2023/12/03/the-best-kind-of-handheld-gaming-is-homemade/ | The Best Kind Of Handheld Gaming Is Homemade | Matthew Carlson | [
"handhelds hacks"
] | [
"cyberdeck",
"diy handheld",
"handheld",
"Intel NUC",
"steamdeck"
] | [CNCDan] previously dabbled with Raspberry Pi CM4-powered gaming handhelds but was itching for something more powerful. Starting in May 2023, he embarked on
building an Intel NUC7i5BNK-powered handheld dubbed NucDeck
.
As he goes over the feature list, it sounds like a commercially available console. A 1024 x 600 scree... | 8 | 6 | [
{
"comment_id": "6704630",
"author": "Db0",
"timestamp": "2023-12-04T03:00:02",
"content": "Impressive, for a self-built solution",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6704759",
"author": "Seth G",
"timestamp": "2023-12-04T15:44:12",
"cont... | 1,760,372,085.656799 | ||
https://hackaday.com/2023/12/03/tiny-pov-turns-right-round-for-volumetric-fun/ | Tiny POV Turns Right Round For Volumetric Fun | Dan Maloney | [
"LED Hacks"
] | [
"persistence of vision",
"POV",
"rp2040",
"volumetric"
] | Just when you think the POV thing has run out of gas, along comes [mitxela] to liven things up. In this, he’s taken the whole persistence of vision display concept and literally spun up something very cool:
a tiny volumetric “electric candle” display
.
As he relates the story, the idea came upon him on a night out at t... | 13 | 9 | [
{
"comment_id": "6704535",
"author": "Curious George’s uglier cousin",
"timestamp": "2023-12-03T18:52:00",
"content": "That is so cool.mega kudosNow do a spinning video screen where AI takes a 2d FaceTime call and changes it to 3d and presto – talk to your friend’s hologram.",
"parent_id": null,... | 1,760,372,085.840153 | ||
https://hackaday.com/2023/12/03/wolfenstein-3d-clone-makes-arduboy-debut/ | Wolfenstein 3DClone Makes Arduboy Debut | Tom Nardi | [
"Games",
"handhelds hacks"
] | [
"Arduboy",
"wolfenstein"
] | The 8-bit Arduboy isn’t exactly a powerhouse by modern gaming standards, or even really by old school standards for that matter. But for the talented developers that produce software for the system, that’s just part of the challenge. To date the monochromatic handheld has seen miniaturized takes on many well-known game... | 12 | 3 | [
{
"comment_id": "6704492",
"author": "Gravis",
"timestamp": "2023-12-03T15:15:04",
"content": "It seems wasteful to include an entire MCU on the “mod-chip” and only utilize it to flash to bootloader of the old chip. They could have made it so that it can be used expressly for graphics or something ... | 1,760,372,085.895 | ||
https://hackaday.com/2023/12/03/build-a-strandbeest-replica-of-your-very-own/ | Build A Strandbeest Replica Of Your Very Own | Lewin Day | [
"Misc Hacks"
] | [
"craft",
"popsticks",
"strandbeest",
"theo jansen"
] | [Theo Jansen] is famous for his giant walking Strandbeest creations. They’re elegant, impressive, and powered by nature, and their walking mechanism is a thing of beauty. If you’ve ever wanted to build your own,
[Antonio Garcia] has just the guide to get you started on the smaller scale.
Unlike so many other builds tod... | 1 | 1 | [
{
"comment_id": "6704580",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-12-03T22:23:59",
"content": "Strandbeest, is that what has become of Barbara?B^)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,085.782479 | ||
https://hackaday.com/2023/12/03/simple-chemistry-to-metallize-and-etch-silicon-chips/ | Simple Chemistry To Metallize And Etch Silicon Chips | Dan Maloney | [
"chemistry hacks"
] | [
"acetic acid",
"etching",
"glucose",
"peroxide",
"photoresists",
"piranha",
"ptfe",
"silicon",
"silver",
"teflon",
"Tollen's reagent",
"vinegar"
] | We’ve been eagerly following [ProjectsInFlight]’s stepwise journey toward DIY semiconductors, including all the ups and downs, false leads, and tedious optimizations needed to make it possible for the average hacker to make chips with readily available tools and materials.
Next up is
metallization
, and spoiler alert: ... | 5 | 3 | [
{
"comment_id": "6704496",
"author": "Gravis",
"timestamp": "2023-12-03T15:28:10",
"content": "Impressive but I certainly hope he improves the process. However, I think I would have gone with making a a sputtering machine because it can easily be reused for many different things and doesn’t require ... | 1,760,372,085.943247 | ||
https://hackaday.com/2023/12/02/adding-cellular-connectivity-to-the-hackaday-supercon-badge/ | Adding Cellular Connectivity To The Hackaday Supercon Badge | Lewin Day | [
"Misc Hacks"
] | [
"2023 Hackaday Supercon",
"badge",
"cellular data"
] | Did you manage to make it down to Hackaday Supercon 2023? Maybe you did, and maybe you had a great time hacking away on the badge. [Dan] and ex-Hackaday alumnus [Mike Szczys] certainly did, with the guys from Golioth
adding cellular connectivity to the hardware and developing a community art project.
The badge was hook... | 1 | 1 | [
{
"comment_id": "6704498",
"author": "Gravis",
"timestamp": "2023-12-03T15:36:00",
"content": "Ouch! $25 per chip. It’s a neat chip but it’s not $25-per-chip neat.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,085.981318 | ||
https://hackaday.com/2023/12/02/honey-i-ate-the-camera/ | Honey, I Ate The Camera | Jenny List | [
"classic hacks"
] | [
"camera",
"fuji instax",
"instant camera"
] | We like cameras here at Hackaday. We like them a lot. But until now that liking has never extended to liking their taste. A build from [Dmitri Tcherbadji] could change all that though, and he’s created
a working Fuji Instax Square camera made from gingerbread
.
To look at, it’s a straightforward box camera, albeit one ... | 17 | 12 | [
{
"comment_id": "6704395",
"author": "ScubaBearLA",
"timestamp": "2023-12-03T03:21:55",
"content": "I’m reminded of the old Russian proverb: “The marvel is not that the bear dances well, but that the bear dances at all.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"commen... | 1,760,372,086.219134 | ||
https://hackaday.com/2023/12/02/mozilla-lets-folks-turn-ai-llms-into-single-file-executables/ | Mozilla Lets Folks Turn AI LLMs Into Single-File Executables | Donald Papp | [
"Artificial Intelligence"
] | [
"ai",
"binaries",
"llama",
"LLM",
"local AI"
] | LLMs (Large Language Models) for local use are usually distributed as a set of weights in a multi-gigabyte file. These cannot be directly used on their own, which generally makes them harder to distribute and run compared to other software. A given model can also have undergone changes and tweaks, leading to different ... | 20 | 10 | [
{
"comment_id": "6704419",
"author": "John",
"timestamp": "2023-12-03T05:47:45",
"content": "Justine Tunney is truly a treasure. Everything she does is fascinating.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6704441",
"author": "shinsukke",
"timest... | 1,760,372,086.272021 | ||
https://hackaday.com/2023/12/02/build-yourself-a-screw-propelled-robot-to-tackle-the-dirt/ | Build Yourself A Screw Propelled Robot To Tackle The Dirt | Lewin Day | [
"Robots Hacks"
] | [
"ESP-32",
"robot",
"screw drive",
"video feed"
] | Wheels and tracks are common choices for robot propulsion, but they’re not the only game in town. You can do some nifty things with long extruded screws , and they work pretty well in soft terrain.
[gokux] set about building a small robot using this propulsion method using 3D printed parts.
The build uses a Seeed Studi... | 11 | 7 | [
{
"comment_id": "6704345",
"author": "Col Campbell",
"timestamp": "2023-12-02T21:47:29",
"content": "The soviets built one of these in the 60s as a nuke delivery vehicle, I believe it was codenamed “shagohod”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "67... | 1,760,372,086.162886 | ||
https://hackaday.com/2023/12/02/update-on-the-bluffs-bluetooth-vulnerability/ | Update On The BLUFFS Bluetooth Vulnerability | Maya Posch | [
"News",
"Security Hacks"
] | [
"bluetooth",
"vulnerability"
] | As we first reported in yesterday’s weekly security post
, researchers at EURECOM have
revealed the details
(PDF,
references
) of a new man-in-the-middle (MITM) attack on Bluetooth 4.2 through 5.4, which has been assigned
CVE-2023-24023
. Like
preceding CVEs
, it concerns the session authentication between Bluetooth de... | 14 | 4 | [
{
"comment_id": "6704349",
"author": "Gravis",
"timestamp": "2023-12-02T21:49:32",
"content": "I ponder how many medical implants have this vulnerability and no way to update the BT stack.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6705137",
"aut... | 1,760,372,086.412718 | ||
https://hackaday.com/2023/12/02/the-physics-lesson-i-keep-re-learning/ | The Physics Lesson I Keep Re-Learning | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"impedance matching",
"newsletter",
"rants",
"stick shift"
] | One of the most broadly applicable ideas I’ve ever encountered is the concept of
impedance matching
. If you’re into radio frequency electronics, you’re probably thinking that I mean getting all your circuit elements working to a common characteristic resistance for maximum power transfer. (If you’re not, you’re probab... | 69 | 20 | [
{
"comment_id": "6704262",
"author": "Cyna",
"timestamp": "2023-12-02T15:54:55",
"content": "Sure, just look at all the Noctua case fans in use for high-pressure applications.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6704280",
"author": "LookAt... | 1,760,372,086.519701 | ||
https://hackaday.com/2023/12/02/generating-motion-via-nitinol-wires/ | Generating Motion Via Nitinol Wires | Lewin Day | [
"Parts",
"Robots Hacks"
] | [
"hand",
"nickel",
"nitinol",
"titanium",
"wire"
] | Generally, when we’re looking to build something that moves we reach for motors, servos, or steppers — which ultimately are all just variations on the same concept. But there
are
other methods of locomotion available. As
[Jamie Matthews] demonstrates
, Nitinol wires can be another way to help get things moving.
Nitinol... | 13 | 3 | [
{
"comment_id": "6704237",
"author": "Nick",
"timestamp": "2023-12-02T13:58:33",
"content": "Question for a wizard: can this material (or similar) oscillate between two forms at high frequency (MHz+)?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6704246",
... | 1,760,372,086.671302 | ||
https://hackaday.com/2023/12/02/led-tester-also-calculates-resistor-for-target-voltage/ | LED Tester Also Calculates Resistor For Target Voltage | Donald Papp | [
"LED Hacks",
"Tool Hacks"
] | [
"arduino",
"current limiting",
"led",
"series resistor",
"tester"
] | [mircemk] built a
slick-looking LED tester
with a couple handy functions built in. Not only can one select a target current to put through an LED, but by providing a target voltage, the system will automatically calculate the necessary series resistor. If for example the LED is destined for 14 V, this device will not o... | 12 | 9 | [
{
"comment_id": "6704221",
"author": "Mr Name Required",
"timestamp": "2023-12-02T11:58:19",
"content": "Connecting alligator clips seems time-consuming and clumsy. Perhaps a two-prong socket to simply stick the LED in, like the old transistor testers of yesteryear. Or two V-slotted plates to jam t... | 1,760,372,086.571245 | ||
https://hackaday.com/2023/12/01/print-your-own-brain-lamp-from-mri-data/ | Print Your Own Brain Lamp From MRI Data | Lewin Day | [
"3d Printer hacks"
] | [
"brain",
"lamp",
"mri"
] | MRIs generally fall somewhere on the scale from boring to stressful depending on why you’re having one and how claustrophobic you get. Regardless, they’re a wonderful diagnostic tool and they’ve saved thousands if not millions of lives over the years. In a fun use of the technology,
[mandalaFractals] has shown us how t... | 12 | 5 | [
{
"comment_id": "6704202",
"author": "Jonathan Wilson",
"timestamp": "2023-12-02T08:51:27",
"content": "Of course the downside to a project like this is that you need to have some negative-to-your-health medical reason to have a brain scan MRI in the first place (no-one is going to go get a scan jus... | 1,760,372,086.622171 | ||
https://hackaday.com/2023/12/01/cat-o-matic-3000-serves-your-feline-masters/ | Cat-o-Matic 3000 Serves Your Feline Masters | Kristina Panos | [
"home hacks",
"Microcontrollers"
] | [
"atmega 88",
"because cats",
"cats",
"crystal",
"feeding"
] | When you have three cats and three humans, you have one problem: feeding them on a schedule without over or under feeding them. Even if there was only one human in the equation,
the Cat-o-Matic 3000
would still be a useful tool.
Essentially, it’s a traffic light for cats — where green means you are go for feeding, and ... | 8 | 6 | [
{
"comment_id": "6704203",
"author": "kaaaaaaaaaaaaaaaang",
"timestamp": "2023-12-02T08:54:18",
"content": "This is not the real “Cat-o-Matic”, colinfurze made the real one a while ago and It also involved cats and cat-food.",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,372,086.72239 |
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