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https://hackaday.com/2023/04/03/minecraft-finally-gets-multi-threaded-servers/ | MinecraftFinally Gets Multi-Threaded Servers | Matthew Carlson | [
"Software Development"
] | [
"minecraft",
"modding",
"MULTITHREADING"
] | Minecraft
servers are famously single-threaded and those who host servers for large player bases often pay handsomely for a server that has gobs of memory and ripping fast single-core performance. Previous attempts to break
Minecraft
into separate threads haven’t ended successfully, but it seems like the
folks over at ... | 33 | 8 | [
{
"comment_id": "6628826",
"author": "Arya Voronova",
"timestamp": "2023-04-03T11:15:01",
"content": "oh hell yeah that sounds wonderful for getting MC servers more populated! at least, the fact that someone’s working on this, sure, the plugins need to be adjusted and such, but it’s still an importa... | 1,760,372,345.398499 | ||
https://hackaday.com/2023/04/03/tennis-balls-serve-as-decent-bicycle-tires-that-dont-easily-puncture/ | Tennis Balls Serve As Decent Bicycle Tires That Don’t Easily Puncture | Lewin Day | [
"Transportation Hacks"
] | [
"bicycle",
"bike"
] | Pneumatic tires provide a great ride, great grip, and yet have one fatal flaw — they’re always getting punctured and leaving you stranded. [The Q] decided to solve this problem with a unique design:
tires that use tennis balls as the cushioning medium instead.
The build begins with small cut sections of plastic water p... | 41 | 17 | [
{
"comment_id": "6628821",
"author": "Artenz",
"timestamp": "2023-04-03T10:24:08",
"content": "With the new reinforced bike tires, I rarely get a puncture. I recently replaced both front and bike tires because they were worn out, and I don’t think I got a single puncture in them.",
"parent_id": ... | 1,760,372,344.980895 | ||
https://hackaday.com/2023/04/02/spy-on-your-cat-to-make-sure-it-gets-its-paws-in/ | Spy On Your Cat To Make Sure It Gets Its Paws In | Abe Connelly | [
"Arduino Hacks",
"home hacks"
] | [
"cat wheel",
"data acquisition",
"data visualization",
"ESP8266",
"hall effect sensor"
] | [Scott Cutler] has a young cat, [Cygnus], that loves to run on a cat wheel and [Scott] had some some important questions about [Cygnus]’s usage of the cat wheel like, how often it’s used, what direction is preferred and how fast does [Cygnus] go. To answer these questions, [Scott] put some
telemetry sensors onto the ca... | 8 | 5 | [
{
"comment_id": "6628839",
"author": "MartyK",
"timestamp": "2023-04-03T12:56:58",
"content": "I don’t see how direction is determined.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6628859",
"author": "shod",
"timestamp": "2023-04-03T13:23:... | 1,760,372,345.242805 | ||
https://hackaday.com/2023/04/02/sound-sculpture-uses-daisy-seed-to-generate-audio/ | Sound Sculpture Uses Daisy Seed To Generate Audio | Lewin Day | [
"Arduino Hacks",
"Art"
] | [
"generative art",
"Musical",
"sculpture",
"stm32"
] | Here at Hackaday, we love a good art piece, whether that involves light or sound. Combining both is a sure-fire way to get our attention, and [Eirik Brandal] did just that
with his Void Extrusion piece.
The project is built around the
Daisy Seed from Electrosmith
. It’s an embedded platform designed for musical purpose... | 0 | 0 | [] | 1,760,372,345.438106 | ||
https://hackaday.com/2023/04/02/hackaday-links-april-2-2023/ | Hackaday Links: April 2, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"2023 Hackaday Prize",
"activation key",
"amateur radio",
"ChatGPT",
"documentary",
"hackaday links",
"ham",
"morse code",
"public safety",
"radio",
"scanner",
"Secret Life Of Components",
"Tim Hunkin",
"WatchDuty",
"wildfire",
"windows 95"
] | It may be hard to believe, but it’s time for the Hackaday Prize again!
The 2023 Hackaday Prize
was announced last weekend at
Hackaday Berlin
, and entries are already pouring in.
The first-round challenge
is all about “Re-engineering Education,” which means you’ve got to come up with a project idea that helps push back... | 1 | 1 | [
{
"comment_id": "6628882",
"author": "Greg Chabala",
"timestamp": "2023-04-03T15:06:30",
"content": "Tim Hunkin deserves a knighthood. His recent YouTube series is an excellent overview with practical experience on each type of component, plus he’s been making entertaining and engaging public artwor... | 1,760,372,344.898861 | ||
https://hackaday.com/2023/04/02/visual-ear-demonstrates-how-the-cochlear-works/ | Visual Ear Demonstrates How The Cochlea Works | Lewin Day | [
"News"
] | [
"cochlear",
"Cochlear Implant",
"ear",
"inner ear",
"Teensy 4.0",
"ws2812b"
] | The cochlea is key to human hearing, and it plays an important role in our understanding of complex frequency content. The Visual Ear project aims to
illustrate the cochlear mechanism
as an educational tool.
The cochlea itself is the part of the ear that converts the pressure waves of sound into electrical signals for ... | 13 | 5 | [
{
"comment_id": "6628721",
"author": "Bradley Minch",
"timestamp": "2023-04-02T20:37:39",
"content": "The noun is cochlea, not cochlear. Cochlear is the adjective.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6628724",
"author": "a_do_z",
"timestamp... | 1,760,372,345.080547 | ||
https://hackaday.com/2023/04/02/tour-a-pcb-assembly-line-from-your-armchair/ | Tour A PCB Assembly Line From Your Armchair | Jenny List | [
"Engineering"
] | [
"pcba",
"pick and place",
"reflow"
] | Those of us who build our own electronics should have some idea of the process used to assemble modern surface-mount printed circuit boards. Whether we hand-solder, apply paste with a syringe, use a hotplate, or go the whole hog with stencil and oven, the process of putting components on boards and soldering them is fa... | 15 | 5 | [
{
"comment_id": "6628689",
"author": "rasz_pl",
"timestamp": "2023-04-02T17:15:04",
"content": "Speaking of soldering 8-bit guy recently discovered manufacturing thru hole in a garage is not a picknic. Cool shots of cheap Chinese solder dip machine warping his PCBs like crazy :o",
"parent_id": n... | 1,760,372,344.856365 | ||
https://hackaday.com/2023/04/02/design-files-released-for-the-pr2-robot/ | Design Files Released For The PR2 Robot | Lewin Day | [
"Robots Hacks"
] | [
"clearpath",
"clearpath robotics",
"design files",
"robot",
"robotics"
] | It’s always great fun to build your own robot. Sometimes, though, if you’re doing various projects or research, it’s easier to buy an existing robot and then use it to get down to business. That was very much the role of the Willow Garage PR2, but unfortunately, it’s no longer in production. However, as covered by
The ... | 9 | 6 | [
{
"comment_id": "6628685",
"author": "Joe",
"timestamp": "2023-04-02T17:03:25",
"content": "Any idea whether the files released actually give low level internal details (like internal designs of the motors powering the arms) or whether the robot was originally designed simply as a collection of come... | 1,760,372,345.028031 | ||
https://hackaday.com/2023/04/02/printing-a-brutalist-kitchen-timer/ | Printing A Brutalist Kitchen Timer | Abe Connelly | [
"clock hacks",
"Microcontrollers"
] | [
"3D printed case",
"7-segment display",
"atmega328p",
"kitchen timer",
"rotary encoder",
"TM1637"
] | A kitchen timer is one of those projects that’s well defined enough to have a clear goal, but allows plenty of room for experimentation with functionality and aesthetics. [Hggh]’s exploration of the idea is a clean, Brutalist
kitchen timer
.
The case for [Hggh]’s kitchen timer is 3D printed with openings for a TM1637 f... | 23 | 9 | [
{
"comment_id": "6628612",
"author": "Dude",
"timestamp": "2023-04-02T11:46:27",
"content": "Brutalism is about “the seeing of materials for what they were: the woodness of the wood; the sandiness of sand.”, so the 3D printed case shouldn’t be painted over.Rectangular shapes with smooth painted surf... | 1,760,372,345.191895 | ||
https://hackaday.com/2023/04/02/rubiks-cube-solver-does-it-in-4-56-seconds/ | Rubik’s Cube Solver Does It In 4.56 Seconds | Lewin Day | [
"Robots Hacks",
"Toy Hacks"
] | [
"cube solver",
"robotic rubik's cube solver",
"rubik's cube solver",
"rubiks cube"
] | Solving Rubik’s Cubes is a learnable skill. However, to compete at the top level, you’ll have to train hard. Speed cubers can solve a 3×3 cube in under ten seconds these days, after all. [aaedmusa] was a long way off that speed, but his robot is an absolute demon
that solves at a rapid pace.
The robot relies on a Teens... | 14 | 7 | [
{
"comment_id": "6628590",
"author": "paulvdh",
"timestamp": "2023-04-02T08:51:15",
"content": "https://hackaday.com/2016/01/27/robot-solves-rubiks-cube-in-just-one-second/I think the world record has it down to 0.3s or so.",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,345.129402 | ||
https://hackaday.com/2023/04/09/tired-of-web-scraping-make-the-ai-do-it/ | Tired Of Web Scraping? Make The AI Do It | Donald Papp | [
"Artificial Intelligence",
"Software Hacks"
] | [
"artificial intelligence",
"GPT",
"LLM",
"openai",
"web scraping"
] | [James Turk] has a novel approach to the problem of scraping web content in a structured way without needing to write the kind of page-specific code web scrapers usually have to deal with. How? Just enlist the help of a natural language AI.
Scrapeghost
relies on OpenAI’s GPT API to parse a web page’s content, pull out ... | 19 | 5 | [
{
"comment_id": "6630843",
"author": "Anonymous",
"timestamp": "2023-04-09T14:38:41",
"content": "I’m tired of web scraping existing in the first place. The internet is for humans.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6630850",
"author": "7... | 1,760,372,345.497215 | ||
https://hackaday.com/2023/04/09/blinks-are-useful-in-vr-but-triggering-blinks-is-tricky/ | Blinks Are Useful In VR, But Triggering Blinks Is Tricky | Donald Papp | [
"Virtual Reality"
] | [
"blink reflex",
"blinks",
"hand redirection",
"redirected walking",
"saccade",
"virtual reality",
"vr"
] | In VR, a blink can be a window of opportunity to improve the user’s experience. We’ll explain how in a moment, but blinks are tough to capitalize on because they are unpredictable and don’t last very long. That’s why researchers spent time figuring out
how to induce eye blinks on demand in VR
(video) and the details ar... | 8 | 5 | [
{
"comment_id": "6630815",
"author": "human computer interface enjoyer",
"timestamp": "2023-04-09T12:43:31",
"content": "gaze tracking is quite a powerful technology!people have various sensitivities to small perturbations in spatial interfaces.some TV/monitors (especially OLED) will do “pixel shift... | 1,760,372,345.574694 | ||
https://hackaday.com/2023/04/09/debouncing-for-fun-and-mostly-just-for-fun/ | Debouncing For Fun And… Mostly, Just For Fun | Al Williams | [
"Microcontrollers"
] | [
"debouncing"
] | In our minds and our computer screens, we live in an ideal world. Wires don’t have any resistance, capacitors don’t leak, and switches instantly make connections and break them. The truth is, though, in the real world, none of those things are true. If you have a switch connected to a lightbulb, the little glitches whe... | 13 | 7 | [
{
"comment_id": "6630754",
"author": "Dude",
"timestamp": "2023-04-09T08:29:34",
"content": "Another topic not often covered is, how to wire your switches so you don’t end up in a “flying lead” situation: with the switch in a certain position, you’ll have a long wire going to your controller with an... | 1,760,372,345.68526 | ||
https://hackaday.com/2023/04/08/homemade-scope-does-supercapacitor-experiments/ | Homemade Scope Does Supercapacitor Experiments | Al Williams | [
"Parts"
] | [
"supercapacitor",
"test equipment"
] | We’ve always been a little sad that supercapacitors aren’t marked with a big red S on a yellow background. Nevertheless, [DiodeGoneWild] picked up some large-value supercapacitors and used his interesting homemade oscilloscope to examine
how they worked
. You can watch what he is up to in his workshop in the video belo... | 12 | 5 | [
{
"comment_id": "6630697",
"author": "Mike Massen, Perth, Western Australia",
"timestamp": "2023-04-09T05:34:48",
"content": "Thanks for post :-)As a practical personal example of just how good these are I’ve been using 6 off BCAP3000E Maxwell super-capacitors (Yes 3000 Farads each) in series equal... | 1,760,372,345.636951 | ||
https://hackaday.com/2023/04/08/revisiting-borland-turbo-c-and-c/ | Revisiting Borland Turbo C And C++ | Maya Posch | [
"Retrocomputing",
"Software Development"
] | [
"Borland",
"Turbo C"
] | Looking back on what programming used to be like can be a fascinatingly entertaining thing, which is why [Tough Developer] decided to download and try
using Turbo C and C++
, from version 1.0 to the more recent releases. Borland
Turbo C 1.0
is a doozy as it was released in 1987 — two years before the C89 standardizatio... | 76 | 36 | [
{
"comment_id": "6630632",
"author": "SB5K",
"timestamp": "2023-04-09T02:16:33",
"content": "I learned C++ using Borland, somewhere on Win 3.1 early 90’s. Not that much later I gave a talk to my development group at the #2 computer company of the time about C++ and object oriented programming, becau... | 1,760,372,346.498173 | ||
https://hackaday.com/2023/04/08/web-server-like-its-1998-with-this-restored-internet-appliance/ | Web Server Like It’s 1998 With This Restored Internet Appliance | Dan Maloney | [
"Retrocomputing"
] | [
"cobalt",
"Internet Appliance",
"raq",
"RedHat linux",
"retrocomputing",
"Web 1.0",
"web server"
] | Hackaday readers fit into two broad categories: those who experienced the wild and woolly early days of the Internet, and those who are jealous that they missed it. And it’s safe to say that both groups will get something out of
this aggressively Web 1.0 retro experience
, courtesy of a server that was actually part of... | 20 | 11 | [
{
"comment_id": "6630580",
"author": "macsimski",
"timestamp": "2023-04-08T23:18:57",
"content": "how i miss the blink tag… and of course border=10",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6630631",
"author": "Devin Ryan",
"timestamp": ... | 1,760,372,346.166837 | ||
https://hackaday.com/2023/04/08/russias-new-mystery-shortwave-station/ | Russia’s New Mystery Shortwave Station | Al Williams | [
"Radio Hacks"
] | [
"number stations",
"UVB-76",
"UZB-76"
] | The Buzzer, also known as UVB-76 or UZB-76, has been a constant companion to anyone with a shortwave radio tuned to 4625 kHz. However, [Ringway Manchester] notes that there is now
a second buzzer
operating near in frequency to the original. Of course, like all mysterious stations, people try to track their origin. [Rin... | 36 | 13 | [
{
"comment_id": "6630518",
"author": "PWalsh",
"timestamp": "2023-04-08T20:42:24",
"content": "I keep wondering why it’s so hard to identify the locations of these things.GPS time sync signals are accurate to 40 ns. If you have 2 receivers at different locations that time stamp the start of a partic... | 1,760,372,346.290397 | ||
https://hackaday.com/2023/04/01/why-do-rifa-capacitors-fail/ | Why Do Rifa Capacitors Fail? | Jenny List | [
"Parts"
] | [
"capacitors",
"component failure",
"Rifa"
] | Anyone who works with older electronic equipment will before long learn to spot Rifa capacitors, a distinctive yellow-translucent component often used in mains filters, that is notorious for failures. It’s commonly thought to be due to their absorbing water, but based upon [Jerry Walker]’s long experience, he’s not so ... | 28 | 13 | [
{
"comment_id": "6628578",
"author": "ian",
"timestamp": "2023-04-02T05:13:51",
"content": "Just a note: this failure is not limited to Rifa. Wima do exactly the same thing – a bang, brown goo and a nasty stink that hangs around for a week.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,346.378709 | ||
https://hackaday.com/2023/04/01/building-an-energy-sword-replica-from-halo/ | Building An Energy Sword Replica FromHalo | Lewin Day | [
"ATtiny Hacks",
"Games"
] | [
"energy sword",
"gaming",
"gaming replica",
"halo",
"halo 2",
"plasma sword",
"replica"
] | A good many of us whiled away the hours of our youths playing Swords Only deathmatch in
Halo 2
. The Energy Sword, aka the Plasma Sword, was the star of the show, with its devastating glowing blades granting us scoreboard domination.
[Arnov Sharma] has now built a quality replica of this science-fiction weapon.
The bui... | 0 | 0 | [] | 1,760,372,346.046977 | ||
https://hackaday.com/2023/04/01/cat-skull-for-internet-connection-divination/ | Cat Skull For Internet Connection Divination | Abe Connelly | [
"Arduino Hacks",
"internet hacks"
] | [
"3d print",
"arduino",
"Arduino Nano 33 BLE",
"indicator",
"IoT"
] | [Emily Velasco] has an internet provider that provides sub-par connectivity. Instead of repeatedly refreshing a browser tab to test if the network is up, [Emily] decided to create an
internet status monitor
by embedding indicator lights in a cat skull…for some reason.
The electronics are straightforward, with the compl... | 9 | 7 | [
{
"comment_id": "6628555",
"author": "Hirudinea",
"timestamp": "2023-04-01T23:48:39",
"content": "The Gamsters of Triskelion would like a word.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6628711",
"author": "ScubaBearLA",
"timestamp": "20... | 1,760,372,346.101343 | ||
https://hackaday.com/2023/04/01/blender-and-openems-teamed-up-make-stunning-simulations/ | Blender And OpenEMS Teamed Up Make Stunning Simulations | Lewin Day | [
"Science",
"Video Hacks"
] | [
"electromagnetic wave",
"simulation",
"wave"
] | There’s tons of theory out there to explain the behavior of electronic circuits and electromagnetic waves. When it comes to visualization though, most of us have had to make do with our lecturer’s very finest blackboard scribbles, or some diagrams in a textbook. [Sam A] has been working on some glorious animated simula... | 5 | 2 | [
{
"comment_id": "6628558",
"author": "dm",
"timestamp": "2023-04-02T00:14:11",
"content": "Who needs Blender? The had this figured out back in 1959…https://youtu.be/DovunOxlY1k",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6628581",
"author": "Tim"... | 1,760,372,346.209149 | ||
https://hackaday.com/2023/04/01/modern-dance-or-full-body-keyboard-why-not-both/ | Modern Dance Or Full-Body Keyboard? Why Not Both! | Dan Maloney | [
"Peripherals Hacks"
] | [
"computer vision",
"dance",
"gesture",
"jazz hands",
"opencv",
"pose detection",
"semaphore"
] | If you felt in your heart that Hackaday was a place that would forever be free from projects that require extensive choreography to pull off, we’re sorry to disappoint you. Because you’re going to need a level of coordination and gross motor skills that most of us probably lack if you’re going to type with
this full-bo... | 15 | 9 | [
{
"comment_id": "6628487",
"author": "shakib",
"timestamp": "2023-04-01T17:50:17",
"content": "the combination of modern dance and full-body keyboards is an exciting and innovative approach to artistic expression, allowing people to explore the boundaries of both music and dance.",
"parent_id": ... | 1,760,372,346.591662 | ||
https://hackaday.com/2023/04/01/hackaday-does-berlin/ | Hackaday Does Berlin | Elliot Williams | [
"cons",
"Hackaday Columns",
"Rants"
] | [
"newsletter"
] | If you’re wondering why there was no newsletter last weekend, it was because we had our hands full with Hackaday Berlin. But boy, was it worth it! Besides being the launch party for the
tenth annual Hackaday Prize
, it was the first Hackaday gathering in Europe for four years, and it was awesome to see a bunch of famil... | 3 | 1 | [
{
"comment_id": "6628474",
"author": "rclark",
"timestamp": "2023-04-01T17:12:31",
"content": "Sounds like a ‘success’!As for being in person, there is no substitute. Run into this a lot at work. When you need the person, he is not there. He’s working from home that day. He doesn’t have access ... | 1,760,372,346.540245 | ||
https://hackaday.com/2023/04/01/squeezing-secrets-out-of-an-amazon-echo-dot/ | Squeezing Secrets Out Of An Amazon Echo Dot | Arya Voronova | [
"Security Hacks"
] | [
"alexa",
"Amazon Alexa",
"Amazon Echo",
"amazon echo dot",
"Don't buy alexa",
"echo",
"echo dot"
] | As we have seen time and time again, not every device stores our sensitive data in a respectful manner. Some of them send our personal data out to third parties, even! Today’s case is not a mythical one, however — it’s a jellybean Amazon Echo Dot, and [Daniel B] shows how to
make it spill your WiFi secrets
with a bit o... | 44 | 9 | [
{
"comment_id": "6628418",
"author": "Lee",
"timestamp": "2023-04-01T11:44:47",
"content": "Kinda funny, I tore my old Dot apart last night to turn it into a crude bluetooth speaker.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6628671",
"author": ... | 1,760,372,346.771029 | ||
https://hackaday.com/2023/03/31/hackaday-podcast-212-staring-through-ics-reading-bloom-filters-and-repairing-reworking-and-reballing/ | Hackaday Podcast 212: Staring Through ICs, Reading Bloom Filters, And Repairing, Reworking, And Reballing | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | It was quite the cornucopia of goodness this week as Elliot and Dan sat down to hash over the week in hardware hacking. We started with the exciting news that the Hackaday Prize is back — already? — for the tenth year running! The first round, Re-Engineering Education, is underway now, and we’re already seeing some coo... | 0 | 0 | [] | 1,760,372,346.815881 | ||
https://hackaday.com/2023/03/31/gan-charger-teardown-reveals-value-of-this-new-technology/ | GaN Charger Teardown Reveals Value Of This New Technology | Lewin Day | [
"Teardown"
] | [
"charger",
"Gallium Nitride",
"GaN",
"phone charger",
"teardown",
"USB C"
] | Every so often, a new technology comes along that offers a broad range of benefits over what we already have. Just as lithium-ion batteries have made nickel-cadmium cells boring and old hat, gallium nitride semiconductors are making silicon parts look unimpressive by comparison. [Brian Dipert] looked at what this means... | 39 | 10 | [
{
"comment_id": "6628184",
"author": "shinsukke",
"timestamp": "2023-03-31T15:55:17",
"content": "From a design standpoint are GaN MOSFETs any different from “normal” MOSFETs? Except the lower Rds ofcourse",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "66281... | 1,760,372,346.895314 | ||
https://hackaday.com/2023/03/31/this-week-in-security-macstealer-3cx-carnage-and-githubs-lost-key/ | This Week In Security: Macstealer, 3CX Carnage, And Github’s Lost Key | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"MacStealer",
"supply chain attack",
"This Week in Security"
] | There’s a naming overload here, as two bits of security news this week are using the “MacStealer” moniker. We’re first going to talk about
the WiFi vulnerability
, also known as
Framing Frames
(pdf). The WPA encryption schemes introduced pairwise encryption, ensuring that not even other authenticated users can sniff ea... | 6 | 2 | [
{
"comment_id": "6628164",
"author": "Ostracus",
"timestamp": "2023-03-31T14:19:04",
"content": "“The FFmpeg devs shot down this suggestion pretty quickly. Thankfully, some serious analysts (Crowdstrike, Sentinelone, Mandiant, and others) have stepped in and started taking a close look at what’s goi... | 1,760,372,347.069497 | ||
https://hackaday.com/2023/03/31/archiving-the-entirety-of-dpreview-before-its-gone/ | Archiving The Entirety Of DPReview Before It’s Gone | Maya Posch | [
"internet hacks",
"News"
] | [
"amazon",
"internet archive"
] | Despite the popular adage about everything on the internet being there forever, every day pages of information and sometimes entire websites are lost to the sands of time. With the
imminent shutdown
of the
DPReview
website, nearly 25 years of reviews and specifications of cameras and related content are at risk of vani... | 28 | 12 | [
{
"comment_id": "6628108",
"author": "Dave",
"timestamp": "2023-03-31T11:07:53",
"content": "Ok, Im dumb. How much would it cost amazon to keep that up and running per year?Can’t archive.org just ask for amazon to donate the gear? Or is that yet another dumb question?",
"parent_id": null,
"d... | 1,760,372,347.017826 | ||
https://hackaday.com/2023/03/31/could-1080p-video-output-from-the-rp2040-be-possible/ | Could 1080p Video Output From The RP2040 Be Possible? | Lewin Day | [
"Microcontrollers",
"Video Hacks"
] | [
"1080p",
"hdmi",
"rp2040"
] | Modern microcontrollers often have specs comparable with or exceeding early gaming consoles. However, where they tend to fall short is in the video department, due to their lack of dedicated graphics hardware. With some nifty coding, though, great things can be achieved — as demonstrated by [TEC_IST]’s project that ge... | 13 | 5 | [
{
"comment_id": "6628146",
"author": "Erik Johnson",
"timestamp": "2023-03-31T13:43:50",
"content": "Neat but click bait. TLDR no",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6628309",
"author": "Stu",
"timestamp": "2023-03-31T22:54:46",
... | 1,760,372,346.9472 | ||
https://hackaday.com/2023/03/30/clever-test-rig-clarifies-capacitor-rules-of-thumb/ | Clever Test Rig Clarifies Capacitor Rules-of-Thumb | Robin Kearey | [
"Parts",
"PCB Hacks"
] | [
"decoupling capacitors",
"impedance measurement",
"PCB design",
"spectrum analyzer"
] | If you’ve done any amount of electronic design work, you’ll be familiar with the need for decoupling capacitors. Sometimes a chip’s datasheet will tell you exactly what kind of caps to place where, but quite often you’ll have to rely on experience and rules of thumb. For example, you might have heard that you should pu... | 5 | 4 | [
{
"comment_id": "6628025",
"author": "YGDES",
"timestamp": "2023-03-31T05:23:18",
"content": "And EEVBlog / Dave Jones made a few experiments too :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6628066",
"author": "Roel",
"timestamp": "2023-03-31T08... | 1,760,372,347.118981 | ||
https://hackaday.com/2023/03/30/huygens-telescopes-werent-very-good-now-we-think-we-know-why/ | Huygens’ Telescopes Weren’t Very Good, Now We Think We Know Why | Lewin Day | [
"Science"
] | [
"astronomy",
"christiaan huygens",
"science",
"telescope"
] | [Christiaan Huygens] was a pretty decent mathematician and scientist by the standards of the 17th century. However, the telescopes he built were considered to be relatively poor in quality for the period. Now,
as reported by
Science News
, we may know why. The well-known Huygens may have needed corrective glasses all a... | 25 | 10 | [
{
"comment_id": "6627976",
"author": "F",
"timestamp": "2023-03-31T02:10:43",
"content": "Much better than your last article, Lewin! Congrats!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6628152",
"author": "Peter",
"timestamp": "2023-03-3... | 1,760,372,347.321276 | ||
https://hackaday.com/2023/03/30/foldable-pcb-becomes-tiny-rover/ | Foldable PCB Becomes Tiny Rover | Lewin Day | [
"Robots Hacks"
] | [
"foldable PCB",
"pcb",
"robot",
"rover"
] | Typically, when you’re putting electronics in a robot, you install the various controller PCBs into the robot’s chassis. But what if the PCB itself was the chassis?
[Carl Bugeja’s] latest design explores just that idea.
Yes, [Carl] decided to build a tiny robotic rover out of a foldable PCB. This choice was made as usi... | 12 | 4 | [
{
"comment_id": "6627927",
"author": "Jish",
"timestamp": "2023-03-30T23:22:26",
"content": "",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6627944",
"author": "Alex99a",
"timestamp": "2023-03-31T00:09:29",
"content": "I thought it l... | 1,760,372,347.173529 | ||
https://hackaday.com/2023/03/30/upgraded-plasma-thruster-is-smaller-more-powerful/ | Upgraded Plasma Thruster Is Smaller, More Powerful | Tom Nardi | [
"High Voltage"
] | [
"airflow",
"electrodes",
"ion thruster",
"Plasma Channel"
] | When [Jay Bowles] demoed his first-generation ion thruster on
Plasma Channel
, the resulting video picked up millions of views and got hobbyists and professionals alike talking. While ionic lifters are nothing new, this robust multi-stage thruster looked (and sounded) more like a miniature jet engine than anything that... | 19 | 7 | [
{
"comment_id": "6627915",
"author": "Paul",
"timestamp": "2023-03-30T22:39:44",
"content": "No mention of actual thrust in this write-up, but if that’s about 12 cm diameter, and assuming uniform velocity across the bore, it’s moving about 40 liters of air per second. At 1.2 grams per liter that’s ... | 1,760,372,347.38323 | ||
https://hackaday.com/2023/03/30/cold-war-military-telephones-now-usable-thanks-to-diy-switch-build/ | Cold War Military Telephones Now Usable Thanks To DIY Switch Build | Lewin Day | [
"Microcontrollers",
"Phone Hacks"
] | [
"cold war",
"military",
"telephone"
] | The TA-1042 is the most badass looking telephone you’ll ever see. It’s a digital military telephone from the 1980s, but sadly non-functional unless it’s hooked up to the military phone switches it was designed to work with. These days, they’re really only useful as a heavy object to throw at somebody… that is, unless y... | 18 | 5 | [
{
"comment_id": "6627871",
"author": "vladimir32",
"timestamp": "2023-03-30T19:37:44",
"content": "tl;dr yet another youtuber producing content but not value.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6627901",
"author": "Hirudinea",
"ti... | 1,760,372,347.442717 | ||
https://hackaday.com/2023/03/30/2022-supercon-jac-and-ralf-explore-the-secrets-of-the-digital-compact-cassette/ | 2022 Supercon: Jac And Ralf Explore The Secrets Of The Digital Compact Cassette | Robin Kearey | [
"cons",
"Hackaday Columns"
] | [
"2022 Superconference",
"dcc",
"digital compact cassette",
"Jac Goudsmit",
"Ralf Porankiewicz"
] | During the 1990s, music was almost invariably stored on CDs or cassette tapes. When the new millennium came around, physical formats became obsolete as music moved first to MP3 files, and later to network streams. But a few years before that big transition, there were several attempts at replacing the aging cassette an... | 8 | 4 | [
{
"comment_id": "6627837",
"author": "Jac Goudsmit",
"timestamp": "2023-03-30T17:52:26",
"content": "Thanks for publishing this! There has been some renewed interest in the format and we recently made some great progress on it software and hardware projects. Unfortunately I can’t reveal them yet.Sor... | 1,760,372,347.491143 | ||
https://hackaday.com/2023/03/30/electric-skateboard-becomes-mobile-skate-park/ | Electric Skateboard Becomes Mobile Skate Park | Bryan Cockfield | [
"Transportation Hacks"
] | [
"electric skateboard",
"mobile",
"Nvidia Jetson",
"ramp",
"skate park",
"skateboard"
] | While building a skate park might not appear to have much in common with software development, at they very least, they both suffer from a familiar problem: scalability. Bigger skate parks need more ramps and features, and there’s no real way to scale up a construction project like this efficiently like you could with ... | 4 | 3 | [
{
"comment_id": "6627888",
"author": "M-Byte",
"timestamp": "2023-03-30T20:36:24",
"content": "I might be getting old, but even though I don’t think a 555 would have been a better choice, a Jetson Nano only to translate between some MCUs and a Bluetooth controller seems a bit overkill. Especially wh... | 1,760,372,347.531641 | ||
https://hackaday.com/2023/03/30/pcie-for-hackers-extracting-the-most/ | PCIe For Hackers: Extracting The Most | Arya Voronova | [
"Featured",
"hardware",
"Skills",
"Slider"
] | [
"pci express",
"PCI-E",
"PCIe"
] | So, you now know the basics of approaching PCIe, and perhaps you have a PCIe-related goal in mind. Maybe you want to equip a single-board computer of yours with
a bunch of cheap yet powerful PCIe WiFi cards
for wardriving, perhaps add a second NVMe SSD to your laptop instead of that Ethernet controller you never use, o... | 25 | 9 | [
{
"comment_id": "6627779",
"author": "Canuckfire",
"timestamp": "2023-03-30T14:28:42",
"content": "I have also found really good availability of the Diodes Inc pcie switches on Mouser and Farnell/Newark.Mouser seemed to be the best when I was looking a month or so ago, but that could have just been ... | 1,760,372,347.691495 | ||
https://hackaday.com/2023/03/30/make-anything-clockwork-with-this-ridiculous-stick-on-device/ | Make Anything Clockwork With This Ridiculous Stick-On Device | Lewin Day | [
"Art"
] | [
"clockwork",
"joke"
] | Clockwork devices were popular right up until motors and electronics proved far more capable in just about every way. However, there’s something charming about a device you can wind up to make it do its thing. To recreate this feeling on modern technology,
[Kousuke Saito] created a clockwork winder that you can fit to ... | 38 | 18 | [
{
"comment_id": "6627708",
"author": "abjq",
"timestamp": "2023-03-30T11:04:15",
"content": "Is this a wind-up?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6627712",
"author": "Sanyi",
"timestamp": "2023-03-30T11:17:03",
"content": "Love it! Rea... | 1,760,372,347.774323 | ||
https://hackaday.com/2023/04/01/apple-never-gave-them-usb-now-theyre-getting-it-for-themselves/ | Apple Never Gave Them USB. Now, They’re Getting It For Themselves | Jenny List | [
"Mac Hacks",
"Retrocomputing"
] | [
"PowerMac G3",
"usb",
"usb 1.1"
] | These days we use USB as a default for everything from low-speed serial ports to high-capacity storage, and the ubiquitous connector has evolved into a truly multi-purpose interface. It’s difficult to believe then, that the first Apple Mac to be designed with a USB interface was shipped without it; but that’s the case ... | 14 | 4 | [
{
"comment_id": "6628403",
"author": "Gregg Eshelman",
"timestamp": "2023-04-01T09:17:49",
"content": "What’s next? Someone finally getting around to writing USB 2.0 drivers for Mac OS 8.1 through 9.2.2?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6628409",... | 1,760,372,348.025992 | ||
https://hackaday.com/2023/03/31/working-with-old-high-voltage-eproms-is-fussy/ | Working With Old High-Voltage EPROMs Is Fussy | Lewin Day | [
"Retrocomputing"
] | [
"Atari 7800",
"eprom",
"eproms"
] | EPROMs, those UV-erasable memory chips of the 80s and 90s, once played a crucial role in countless electronic devices. They’ve become relics of a bygone era, but for enthusiasts of vintage electronics, the allure of these light-sensitive devices remains strong. Today, we’re diving into [Kevin Osborn]’s nostalgic journe... | 19 | 7 | [
{
"comment_id": "6628372",
"author": "baobrien",
"timestamp": "2023-04-01T05:41:35",
"content": "Does anybody know exactly what the Atari 7800 signature scheme actually is? Has anyone dumped the roms in the console? 1986 seems pretty early for public-key crypto to be used in consumer electronics. A ... | 1,760,372,347.931693 | ||
https://hackaday.com/2023/03/31/creating-a-3d-visualization-of-freely-moving-organisms-using-camera-array-and-software-algorithm/ | Creating A 3D Visualization Of Freely Moving Organisms Using Camera Array And Software Algorithm | Maya Posch | [
"Science"
] | [
"3d photography",
"camera array",
"Imaging"
] | Observing a colony, swarm or similar grouping of creatures like ants or zebrafish over longer periods of time can be tricky. Simply recording their behavior with a camera misses a lot of information about the position of their body parts, while taking precise measurements using a laser-based system or LiDAR suffers fro... | 3 | 3 | [
{
"comment_id": "6628416",
"author": "computer vision enjoyer",
"timestamp": "2023-04-01T10:59:40",
"content": "Wow!!!!Extremely impressive application of computer vision.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6628484",
"author": "Kyle",
"time... | 1,760,372,347.967836 | ||
https://hackaday.com/2023/03/31/tiny-yet-functional-bike-built-from-scratch/ | Tiny Yet Functional Bike Built From Scratch | Lewin Day | [
"Transportation Hacks"
] | [
"bicycle",
"bike"
] | Sometimes, you just want to go ride your bike in the great outdoors, but you can’t be bothered throwing it in the back of the car. That wouldn’t be a problem if you rode this latest build from [The Q]:
a bike small enough to fit in a handbag.
The build starts by customizing a rollerblade wheel to act as the driven rear... | 10 | 10 | [
{
"comment_id": "6628331",
"author": "Eric Weatherby",
"timestamp": "2023-04-01T00:48:41",
"content": "Including the seat is very optimistic.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6628352",
"author": "Gunplumber",
"timestamp": "2023-04-01T03:0... | 1,760,372,348.138538 | ||
https://hackaday.com/2023/03/31/see-satellites-in-broad-daylight-with-this-sky-mapping-dish-antenna/ | See Satellites In Broad Daylight With This Sky-Mapping Dish Antenna | Dan Maloney | [
"Radio Hacks",
"Space"
] | [
"altazimuth",
"dish",
"geosynchronous",
"gimbal",
"Ka",
"Ku",
"LNB",
"orbit",
"satellite",
"transponder"
] | If you look up at the night sky in a dark enough place, with enough patience you’re almost sure to see a satellite cross the sky. It’s pretty cool to think you’re watching light reflect off a hunk of metal zipping around the Earth fast enough to never hit it. Unfortunately, it doesn’t work during the daylight hours, an... | 16 | 5 | [
{
"comment_id": "6628281",
"author": "mac",
"timestamp": "2023-03-31T20:06:09",
"content": "HaD price effect incoming! (great read, looking forward to watching the full vid)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6628283",
"author": "Tom Nard... | 1,760,372,348.744624 | ||
https://hackaday.com/2023/03/31/move-aside-yoda-its-furbys-turn-on-lukes-back/ | Move Aside Yoda, It’s Furby’s Turn On Luke’s Back | Matthew Carlson | [
"Arduino Hacks",
"Wearable Hacks"
] | [
"arduino",
"backpack",
"furby"
] | When you want a backpack that turns heads and gets people talking, you can get ahead of the conversation with a talking backpack. [Nina] created
a rucksack with the legendary babbler itself, the infamous Furby
.
Believe it or not, no actual Furbies were sacrificed in the making of this backpack. The build uses an Ardui... | 9 | 2 | [
{
"comment_id": "6628249",
"author": "Matthew Sheets",
"timestamp": "2023-03-31T18:56:45",
"content": "This is super neat, next version make it talk to a real furby by the ir interface. Or even better have two backpacks that talk to each other.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,372,348.082393 | ||
https://hackaday.com/2023/03/31/why-a-community-hackerspace-should-be-a-vital-part-of-being-an-engineering-student/ | Why A Community Hackerspace Should Be A Vital Part Of Being An Engineering Student | Jenny List | [
"Featured",
"Rants",
"Slider"
] | [
"education",
"hackerspaces",
"universities"
] | Travelling the continent’s hackerspaces over the years, I have visited quite a few spaces located in university towns. They share a depressingly common theme, of a community hackerspace full of former students who are now technology professionals, sharing a city with a university anxious to own all the things in the te... | 73 | 19 | [
{
"comment_id": "6628211",
"author": "Twisty Plastic",
"timestamp": "2023-03-31T17:11:48",
"content": "I was part of a group who tried to start a hackerspace once. After the local university started it’s students only space the students had no reason to join. The remaining, non-students were too fe... | 1,760,372,348.330913 | ||
https://hackaday.com/2023/03/30/generating-instead-of-storing-meshes/ | Generating Instead Of Storing Meshes | Matthew Carlson | [
"classic hacks",
"Software Hacks"
] | [
"64k",
"demoscene",
"mesh",
"procedurally generated"
] | The 64kB is a category in the demoscene where the total executable size must be less than 65,536 bytes, and at that size, storing vertexes, edges, and normal maps is a waste of space. [Ctrl-Alt-Test] is a French Demoscene group that has been doing incredible animations for the last 13 years. They’ve written an
excellen... | 23 | 7 | [
{
"comment_id": "6627671",
"author": "Gregg Eshelman",
"timestamp": "2023-03-30T09:44:09",
"content": "Farbrausch is another long time demo group that’s done some 64K and other size constrained demos. Unfortunately some of their older ones don’t render correctly or even run at all on newer versions ... | 1,760,372,348.211791 | ||
https://hackaday.com/2023/03/29/compose-any-song-with-twelve-buttons/ | Compose Any Song With Twelve Buttons | Bryan Cockfield | [
"Musical Hacks"
] | [
"12 keys",
"adafruit",
"chords",
"four chords",
"instrument",
"loop",
"macro pad",
"midi",
"music",
"rp2040",
"synthesizer"
] | Limitations placed on any creative process often paradoxically create an environment in which creativity flourishes. A simple overview of modern pop, rock, or country music illustrates this principle quite readily. A bulk of these songs are built around a very small subset of music theory, often varying no more than th... | 15 | 6 | [
{
"comment_id": "6627579",
"author": "Jouni",
"timestamp": "2023-03-30T05:20:42",
"content": "Well.. there are 12 keys in scale so if you put 12 keys in you can play any note on that one. Like putting all alphabets on keyboard and be able to write all words.",
"parent_id": null,
"depth": 1,
... | 1,760,372,348.383369 | ||
https://hackaday.com/2023/03/29/biohybrid-implant-patches-broken-nerves-with-stem-cells/ | Biohybrid Implant Patches Broken Nerves With Stem Cells | Navarre Bartz | [
"Medical Hacks"
] | [
"bioelectrical",
"bioengineering",
"biology",
"electrodes",
"neurology",
"prostheses",
"prosthetic"
] | Neural interfaces have made great strides in recent years, but still suffer from poor longevity and resolution. Researchers at the University of Cambridge have developed a
biohybrid implant
to improve the situation.
As we’ve seen before,
interfacing
electronics and biological systems is no simple feat. Bodies tend to r... | 17 | 4 | [
{
"comment_id": "6627511",
"author": "Zombo.com",
"timestamp": "2023-03-30T02:05:41",
"content": "When I 12 in the early 2000’s I thought, why don’t we just use a transmitter for nerves to send the signal past the broken spot, some day",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,348.595321 | ||
https://hackaday.com/2023/03/29/the-ble-datalogging-scale-of-a-thousand-uses/ | The BLE Datalogging Scale Of A Thousand Uses | Lewin Day | [
"Tool Hacks"
] | [
"ble",
"bluetooth",
"bluetooth low energy",
"scale",
"tools"
] | Whether you’re making coffee or beer or complex chemicals, weighing your ingredients carefully and tracking them is key to getting good results. [Tech Dregs] decided to build a logging scale that would work seamlessly with his smartphone,
and shared the design on YouTube.
The design begins with a Greater Goods manual e... | 7 | 3 | [
{
"comment_id": "6627473",
"author": "Greg A",
"timestamp": "2023-03-30T00:24:19",
"content": "i don’t get it. this is the second “digi scale but with bluetooth” project in the last week? what’s the point? i use a scale just like this to measure my tea…it has its own LCD, why would it need blueto... | 1,760,372,348.541775 | ||
https://hackaday.com/2023/03/29/stripped-clock-wheel-gets-a-new-set-of-teeth-the-hard-way/ | Stripped Clock Wheel Gets A New Set Of Teeth, The Hard Way | Dan Maloney | [
"clock hacks"
] | [
"brass",
"clockmaking",
"fusee",
"gear",
"horology",
"lathe",
"machining",
"mainspring",
"wheel"
] | If there’s one thing we’ve learned from [Chris] at Clickspring, it’s that a clockmaker will stop at nothing to make a clock not only work perfectly, but look good doing it. That includes measures as extreme as
this complete re-toothing of a wheel from a clock
. Is re-toothing even a word?
The obsessive horologist in th... | 14 | 8 | [
{
"comment_id": "6627378",
"author": "NQ",
"timestamp": "2023-03-29T20:42:43",
"content": "Respect.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6627380",
"author": "zog",
"timestamp": "2023-03-29T20:42:59",
"content": "Amazing work – clearly he’... | 1,760,372,348.647078 | ||
https://hackaday.com/2023/03/29/mosfet-heater-is-its-own-thermostat/ | MOSFET Heater Is Its Own Thermostat | Bryan Cockfield | [
"Parts"
] | [
"analog",
"body diode",
"control",
"diode",
"electronics",
"heater",
"mosfet",
"thermostat",
"transistor",
"voltage regulator"
] | While we might all be quick to grab a microcontroller and an appropriate sensor to solve some problem, gather data about a system, or control another piece of technology, there are some downsides with this method. Software has a lot of failure modes, and relying on it without any backups or redundancy can lead to probl... | 16 | 9 | [
{
"comment_id": "6627329",
"author": "Timo",
"timestamp": "2023-03-29T18:54:39",
"content": "But isn’t one of the downsides of a mosfet that it usually fails closed? Seems like a failure mode one would like to avoid.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,372,350.293645 | ||
https://hackaday.com/2023/03/29/linux-fu-gum-up-your-script/ | Linux Fu: Gum Up Your Script | Al Williams | [
"Hackaday Columns",
"Linux Hacks"
] | [
"bash",
"gum",
"linux",
"scripting",
"scripts"
] | We often write quick bash scripts and judging by the comments, half of us use bash or a similar shell to pop out quick, useful scripts, and half of us think that’s an abomination, and you should only use bash for your command line and resort to something more like a traditional language to do anything else. If you’re i... | 11 | 6 | [
{
"comment_id": "6627364",
"author": "William Mays",
"timestamp": "2023-03-29T20:01:46",
"content": "I use linux working solo, but with a team doing the same job.My principles; do all linux generic, so others can pickup my work & conversely. just do the task, appearance is don’t-care. i never wan... | 1,760,372,350.732563 | ||
https://hackaday.com/2023/03/29/two-tube-spy-transmitter-fits-in-the-palm-of-your-hand/ | Two-Tube Spy Transmitter Fits In The Palm Of Your Hand | Dan Maloney | [
"classic hacks",
"Radio Hacks"
] | [
"amateur",
"cw",
"ham",
"morse",
"oscillator",
"QRP",
"QSO",
"radio",
"spy radio",
"vacuum tube"
] | It’s been a long time since vacuum tubes were cutting-edge technology, but that doesn’t mean they don’t show up around here once in a while. And when they do, we like to feature them, because there’s still something charming, nay, romantic about a circuit built around hot glass and metal. To wit, we present
this compac... | 13 | 8 | [
{
"comment_id": "6627251",
"author": "rclark",
"timestamp": "2023-03-29T16:22:22",
"content": "Cool. As a software guy, I envy guys that can can scratch out circuits on a piece of paper and make ’em work for their needs/wants. No ‘software’ here!",
"parent_id": null,
"depth": 1,
"repli... | 1,760,372,350.386791 | ||
https://hackaday.com/2023/03/29/weird-electric-jet-skis-are-hitting-the-waves/ | Weird Electric Jet Skis Are Hitting The Waves | Lewin Day | [
"Featured",
"Interest",
"Transportation Hacks"
] | [
"boat",
"jet ski",
"jetski",
"ocean",
"personal watercraft",
"recreational water craft",
"recreational watercraft",
"sea",
"water",
"watercraft"
] | When it comes to reducing emissions from human sources, we’re at the point now where we need to take a broad-based approach. It’s not enough to simply make our cars more efficient, or start using cleaner power plants. We need to hit carbon zero, and thus everything has to change.
To that end, even recreational watercra... | 68 | 16 | [
{
"comment_id": "6627169",
"author": "U",
"timestamp": "2023-03-29T14:18:26",
"content": "As someone with knowledge of jet skis, both the maintenance and misuse, this is horrendously dangerous. A major benefit to a jet ski is that it’s pretty much a giant pillow, so hitting anything means the jet sk... | 1,760,372,350.496759 | ||
https://hackaday.com/2023/03/29/robot-3d-prints-giant-metal-parts-with-induction-heat/ | Robot 3D Prints Giant Metal Parts With Induction Heat | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3d printer",
"aerospace",
"induction",
"metal",
"metal printer",
"robot",
"robotic arm",
"rosotics",
"wire"
] | While our desktop machines are largely limited to various types of plastic, 3D printing in other materials offers unique benefits. For example, printing with concrete makes it possible to quickly build houses, and we’ve even seen things like sugar laid down layer by layer into edible prints. Metals are often challengin... | 36 | 14 | [
{
"comment_id": "6627103",
"author": "Lindsay Wilson",
"timestamp": "2023-03-29T11:56:46",
"content": "Something doesn’t quite add up about the claim it can run from a 240V outlet. They’re claiming that it runs up to 50kg of material per hour. Let’s say that it’s aluminium – heat capacity is 900 J/k... | 1,760,372,350.675518 | ||
https://hackaday.com/2023/03/29/eprom-does-vga/ | EPROM Does VGA | Al Williams | [
"Retrocomputing",
"Video Hacks"
] | [
"eprom",
"vga"
] | If you wanted to create a VGA card, you might think about using an FPGA. But there are simpler ways to
generate patterns, including an old-fashioned EPROM
, as [DrMattRegan] points out in a recent video.
Generating video signals is an exercise in periodicity. After all, an old-fashioned CRT just scans at a certain hori... | 16 | 13 | [
{
"comment_id": "6627046",
"author": "mime",
"timestamp": "2023-03-29T09:43:12",
"content": "will put this on my viewing list – thanks.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6627049",
"author": "ono",
"timestamp": "2023-03-29T09:53:49",
"c... | 1,760,372,350.786452 | ||
https://hackaday.com/2023/03/28/kino-wheels-gives-you-a-hand-learning-camera-operation/ | Kino Wheels Gives You A Hand Learning Camera Operation | Dan Maloney | [
"Misc Hacks"
] | [
"Arduino Mega 2560",
"bearing",
"din",
"encoder",
"handwheel",
"pan",
"simulator",
"Tilt"
] | Have you ever watched a movie or a video and really noticed the quality of the camera work? If you have, chances are the camera operator wasn’t very skilled, since the whole point of the job is to not be noticed. And getting to that point requires a lot of practice, especially since the handwheel controls for professio... | 4 | 3 | [
{
"comment_id": "6627020",
"author": "Bernd",
"timestamp": "2023-03-29T08:33:45",
"content": "does this work with cine tracer?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6627202",
"author": "Geert van Dijk",
"timestamp": "2023-03-29T15:06:01",
... | 1,760,372,350.96213 | ||
https://hackaday.com/2023/03/28/history-of-the-sparc-cpu-architecture/ | History Of The SPARC CPU Architecture | Joseph Long | [
"History"
] | [
"computer history",
"CPU architecture",
"risc",
"sparc"
] | [RetroBytes] nicely presents the
curious history of the SPARC processor architecture
. SPARC, short for Scalable Processor Architecture, defined some of the most commercially successful RISC processors during the 1980s and 1990s. SPARC was initially developed by Sun Microsystems, which most of us associate the SPARC bu... | 31 | 15 | [
{
"comment_id": "6626848",
"author": "YGDES",
"timestamp": "2023-03-29T02:03:36",
"content": "Sigh… I just watched it an hour ago and now HaD posts it :-DIf you like, have a look athttps://www.youtube.com/watch?v=HJVy8LAI_Bctoo :-D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,350.918375 | ||
https://hackaday.com/2023/03/28/a-new-gaming-shell-for-a-mouse/ | A New Gaming Shell For A Mouse | Matthew Carlson | [
"Peripherals Hacks"
] | [
"3D resin printer",
"computer mouse",
"industrial design"
] | For some gamers, having a light fast polling mouse is key. [Ali] of [Optimum Tech] loved his 23-gram mouse but disliked the cord. Not seeing any options for a comparable wireless mouse, he
decided to make one himself
.
Trying to shortcut the process, he started with an existing wireless mouse from Razer weighing in at ... | 3 | 2 | [
{
"comment_id": "6626803",
"author": "craig",
"timestamp": "2023-03-29T00:32:14",
"content": "“The everyday objects in your life […] are looked at and used without much thought into why they are what they are. ”Bold statement on a hacker website.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,372,350.33407 | ||
https://hackaday.com/2023/03/28/iot-message-board-puts-fourteen-segment-displays-to-work/ | IOT Message Board Puts Fourteen-Segment Displays To Work | Dan Maloney | [
"LED Hacks"
] | [
"14 segment",
"common cathode",
"fourteen",
"IoT",
"led",
"raspberry pi"
] | We’re not sure, but the number of recognizable alphanumeric characters that a seven-segment display can manage seems to have more to do with human pattern recognition than engineering. It takes some imagination, and perhaps a little squinting, to discern some characters, though. Arguably better is the fourteen-segment ... | 4 | 4 | [
{
"comment_id": "6626785",
"author": "Steve",
"timestamp": "2023-03-29T00:09:37",
"content": "Yup, they’re [Pixel] and [Nibble]. Of course, contrary to expectation, [Nibble] is not actually a computer-related name. He earned it because he enjoys lightly nibbling on things and people. :-)",
"p... | 1,760,372,350.84373 | ||
https://hackaday.com/2023/03/28/magic-8-ball-provides-tech-support/ | Magic 8 Ball Provides Tech Support | Bryan Cockfield | [
"classic hacks",
"Toy Hacks"
] | [
"3d printing",
"accelerometer",
"Magic 8-ball",
"microcontroller",
"oled",
"stm32",
"tech support"
] | ChatGPT might be making the news these days for being able to answer basically any question it’s asked, those of us who are a little older remember a much simpler technology that did about the same thing. The humble “Magic 8 Ball” could take nearly the same inputs, provided they were parsed in simple yes/no form, and p... | 15 | 8 | [
{
"comment_id": "6626653",
"author": "echodelta",
"timestamp": "2023-03-28T19:55:37",
"content": "Unplugeverything.Start over.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6627658",
"author": "Jake",
"timestamp": "2023-03-30T09:26:15",
... | 1,760,372,351.067131 | ||
https://hackaday.com/2023/03/28/the-2023-hackaday-prize-is-ten-first-challenge-is-educational/ | The 2023 Hackaday Prize Is Ten, First Challenge Is Educational | Elliot Williams | [
"contests",
"Hackaday Columns",
"News"
] | [
"2023 Hackaday Prize",
"Hackaday Prize"
] | If you were anywhere near Hackaday over the weekend, you certainly noticed that we launched the
tenth annual Hackaday Prize
! In celebration of the milestone, we picked from our favorite challenges of years past and came up with four of our favorite, and even one new one just to keep you on your toes. But the first cha... | 6 | 3 | [
{
"comment_id": "6626575",
"author": "65uino project",
"timestamp": "2023-03-28T17:40:05",
"content": "Way ahead of you, Elliot!Good luck everyone!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6626673",
"author": "peek",
"timestamp": "2023-03-28T20:2... | 1,760,372,351.010986 | ||
https://hackaday.com/2023/03/28/debugging-and-analyzing-real-mode-16-bit-x86-code-with-fresh-bread/ | Debugging And Analyzing Real-Mode 16-Bit X86 Code With Fresh Bread | Maya Posch | [
"Reverse Engineering",
"Software Hacks"
] | [
"debugging",
"x86 real-mode"
] | Running a debugger like gdb with real-mode 16-bit code on the x86 platform is not the easiest thing to do, but incredibly useful when it comes to analyzing BIOS firmware and DOS software. Although it’s possible to analyze a BIOS image after running it through a disassembler, there is a lot that can only be done when th... | 7 | 2 | [
{
"comment_id": "6626581",
"author": "JvandeWerken",
"timestamp": "2023-03-28T17:54:50",
"content": "In 1983 i have , with a college, reverse engineerd the system roms (2kx16) of a PLC system by dumping the code and then converted the machine code back to a sort of ASM (as in what the 8086 manual sa... | 1,760,372,351.422732 | ||
https://hackaday.com/2023/03/28/feeling-the-heat-railway-defect-detection/ | Feeling The Heat: Railway Defect Detection | Dan Maloney | [
"Engineering",
"Featured",
"Interest",
"Original Art"
] | [
"acoustic",
"axle",
"bearing",
"defect detection",
"ir",
"journal",
"Microbolometer",
"rail",
"railroad",
"railway",
"sensor",
"train",
"wheel"
] | On the technology spectrum, railroads would certainly seem to skew toward the brutally simplistic side of things. A couple of strips of steel, some wooden ties and gravel ballast to keep everything in place, some rolling stock with flanged wheels on fixed axles, and you’ve got the basics that have been moving freight a... | 29 | 14 | [
{
"comment_id": "6626444",
"author": "m1ke",
"timestamp": "2023-03-28T14:45:56",
"content": "Well that’s a new phobia.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6626481",
"author": "Maave",
"timestamp": "2023-03-28T15:29:53",
"content": "“What... | 1,760,372,351.637092 | ||
https://hackaday.com/2023/03/28/hams-watch-for-meteors/ | Hams Watch For Meteors | Bryan Cockfield | [
"Radio Hacks",
"Space"
] | [
"amateur radio",
"beacon",
"bounce",
"ham",
"meteor",
"radio",
"reflection",
"RTL-SDR",
"six meter",
"uk meteor beacon project"
] | After passing an exam and obtaining a license, an amateur radio operator will typically pick up a VHF ratio and start talking to other hams in their local community. From there a whole array of paths open up, and some will focus on interesting ways of bouncing signals around the atmosphere. There are all kinds of ways ... | 13 | 9 | [
{
"comment_id": "6626467",
"author": "NQ",
"timestamp": "2023-03-28T15:13:50",
"content": "I’ve managed to have a short QSO with a ham 30 miles away while bouncing my 10m signal off of the northern lights. Makes voices sounds like they are freezing cold, but cool nonetheless.",
"parent_id": nul... | 1,760,372,351.374514 | ||
https://hackaday.com/2023/03/28/its-difficult-to-read-an-audiophile-guide-as-an-analogue-engineer/ | It’s Difficult To Read An Audiophile Guide As An Analogue Engineer | Jenny List | [
"home entertainment hacks"
] | [
"audio",
"audiophile",
"HiFi"
] | Sitting on a train leaving the Hackaday Berlin conference, and Hacker News pops up
Julian Shapiro with a guide to HiFi
. What Hackaday scribe wouldn’t give it a click, to while away the endless kilometres of North European Plain!
It’s very easy as an analogue electronic engineer, to become frustrated while reading audi... | 138 | 39 | [
{
"comment_id": "6626212",
"author": "Glofarg",
"timestamp": "2023-03-28T08:44:21",
"content": "Audio Science Review is the antidote to this!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6626699",
"author": "Ed G",
"timestamp": "2023-03-28T... | 1,760,372,352.130192 | ||
https://hackaday.com/2023/03/27/an-old-netbook-spills-its-secrets/ | An Old Netbook Spills Its Secrets | Bryan Cockfield | [
"Retrocomputing"
] | [
"boot",
"filesystem",
"grub",
"hyperspace",
"instant-on",
"linux",
"master boot record",
"netbook",
"phoenix",
"samsung",
"virtualization",
"windows"
] | For a brief moment in the late ’00s, netbooks dominated the low-cost mobile computing market. These were small, low-cost, low-power laptops, some tiny enough to only have a seven-inch display, and usually with extremely limiting hardware even for the time. There aren’t very many reasons to own a machine of this era tod... | 35 | 19 | [
{
"comment_id": "6626121",
"author": "Joseph Ruggiero",
"timestamp": "2023-03-28T05:52:32",
"content": "This is Eldritchian levels of cursedness.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6626134",
"author": "Dom",
"timestamp": "2023-03-28T06:15:1... | 1,760,372,351.495988 | ||
https://hackaday.com/2023/03/27/long-distance-gaming-over-packet-radio/ | Long-Distance Gaming Over Packet Radio | Bryan Cockfield | [
"Radio Hacks"
] | [
"amateur radio",
"colossal cave adventure",
"data",
"gaming",
"ham",
"packet",
"pdp-11",
"radio"
] | The amateur radio community often gets stereotyped as a hobby with a minimum age requirement around 70, gatekeeping airwaves from those with less experience or simply ignoring unfamiliar beginners. While there is a small amount of truth to this on some local repeaters or specific frequencies, the spectrum is big enough... | 25 | 10 | [
{
"comment_id": "6626042",
"author": "Joshua",
"timestamp": "2023-03-28T03:36:24",
"content": "Nice! There’s also FX.25 extension that enclipses AX.25 frames and provides forward error correction. It could drastically improve packet performance without losing compatibility. Thus perhaps making it an... | 1,760,372,351.562293 | ||
https://hackaday.com/2023/03/27/hackaday-berlin-was-bonkers/ | Hackaday Berlin Was Bonkers | Elliot Williams | [
"cons",
"Hackaday Columns",
"News"
] | [
"Hackaday Berlin",
"photos",
"talks",
"wrapup"
] | In celebration of the
tenth running of the Hackaday Prize
, we had a fantastic weekend event in Berlin. This was a great opportunity for all of the European Hackaday community to get together for a few days of great talks, fun show-and-tells, and above all good old fashioned sitting together and brainstorming. Of cours... | 11 | 9 | [
{
"comment_id": "6625923",
"author": "arturo182 (@arturo182)",
"timestamp": "2023-03-27T23:42:40",
"content": "Had a great time :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6625978",
"author": "gregg4",
"timestamp": "2023-03-28T01:15:32",
"con... | 1,760,372,351.887369 | ||
https://hackaday.com/2023/03/27/a-survey-of-long-term-waterproofing-options/ | A Survey Of Long-Term Waterproofing Options | Matthew Carlson | [
"how-to"
] | [
"encapsulating",
"encapsulation",
"underwater",
"waterproof",
"waterproofing"
] | When it comes to placing a project underwater, the easy way out is to just stick it in some sort of waterproof container, cover it with hot glue, and call it a day. But when you need to keep water out for several years, things get significantly harder. Luckily, [Patricia Beddows] and [Edward Mallon] from the Cave Pearl... | 27 | 12 | [
{
"comment_id": "6625825",
"author": "JanW",
"timestamp": "2023-03-27T20:58:11",
"content": "Love his blog posts on everything under-water and low power logging. His blog is such a wealth of information. I’m tempted to say: second to none…",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,372,351.705938 | ||
https://hackaday.com/2023/03/27/dive-into-the-microwaves-the-waters-dipolar/ | Dive Into The Microwaves, The Water’s Dipolar | Michael Shaub | [
"cooking hacks"
] | [
"cooking",
"electromagnetic spectrum",
"explanation",
"food",
"magnetron",
"microwave",
"microwave oven"
] | When the microwave oven started to gain popularity in the 60s and 70s, supporters and critics alike predicted that it would usher in the end of cooking as we knew it. Obviously that never quite happened, but not because the technology didn’t work as intended. Even today, this versatile kitchen appliance seems to employ... | 22 | 8 | [
{
"comment_id": "6625878",
"author": "rclark",
"timestamp": "2023-03-27T22:21:22",
"content": "Thx. I knew the concept of course, but I didn’t realize the chamber size played into it. Makes sense though… now :) .",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,372,351.230299 | ||
https://hackaday.com/2023/03/27/a-comprehensive-look-at-fdm-supports/ | A Comprehensive Look At FDM Supports | Al Williams | [
"3d Printer hacks"
] | [
"3D printed supports",
"3d printing",
"slicer",
"support material"
] | When we first started 3D printing, we used ABS and early slicers. Using supports was undesirable because the support structures were not good, and ABS sticks to itself like crazy. Thankfully today’s slicers are much better, and often we can use supports that easily detach. [Teaching Tech]
shows how modern slicers creat... | 13 | 4 | [
{
"comment_id": "6625627",
"author": "Gravis",
"timestamp": "2023-03-27T16:12:25",
"content": "I hope someone invents a program to turn these absurdly long video guides into text with supporting animations.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6625... | 1,760,372,351.948089 | ||
https://hackaday.com/2023/03/27/europes-proposed-right-to-repair-law-a-game-changer-or-business-as-usual/ | Europe’s Proposed Right-To-Repair Law: A Game Changer, Or Business As Usual? | Maya Posch | [
"Current Events",
"Featured",
"Interest",
"News",
"Repair Hacks"
] | [
"right to repair"
] | Recently, the European Commission (EC)
adopted a new proposal
intended to enable and promote the repair of a range of consumer goods, including household devices like vacuum cleaners and washing machines, as well as electronic devices such as smartphones and televisions. Depending on how the European Parliament and Cou... | 145 | 22 | [
{
"comment_id": "6625523",
"author": "Dude",
"timestamp": "2023-03-27T14:16:32",
"content": "The cost of a labor-hour in the EU is the limiting factor. Even before counting in spare parts, you’re looking at a cost between 50-100 Euros per hour for a typical job that takes 4 hours. One third is tax, ... | 1,760,372,352.57393 | ||
https://hackaday.com/2023/03/27/ms-dos-client-brings-chatgpt-to-the-ibm-pc/ | MS-DOS Client Brings ChatGPT To The IBM PC | Robin Kearey | [
"Retrocomputing",
"Software Hacks"
] | [
"ChatGPT",
"ibm pc portable",
"ms-dos"
] | AI-powered chatbots are clearly the future of computing, and it’s only a matter of time before you’ll see them appear on every internet-connected gadget. If you thought you were safe from this by sticking to an ancient MS-DOS PC though, think again: [Yeo Kheng Meng] has recently written
a ChatGPT client that runs on DO... | 16 | 9 | [
{
"comment_id": "6625485",
"author": "MH",
"timestamp": "2023-03-27T13:19:22",
"content": "How about a nice game of chess?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6627129",
"author": "Joshua",
"timestamp": "2023-03-29T12:49:05",
... | 1,760,372,352.191947 | ||
https://hackaday.com/2023/03/27/bus-stop-bloom-filter/ | Bus Stop Bloom Filter | Matthew Carlson | [
"Transportation Hacks"
] | [
"bloom filter",
"bus stop",
"bus stop display",
"python"
] | Imagine you’re sitting on a nice bench, the sun shines warmly, and a bus pulls up. You’re headed to Stendal from Osnabrück, how can you tell if you should get on that bus? [Julian Vanecek] is trying to turn that from an O(n) problem to an O(1) one with
a Bloom filter right at the bus stop
.
In [Julian’s] sample code, e... | 19 | 10 | [
{
"comment_id": "6625330",
"author": "macsimski",
"timestamp": "2023-03-27T08:21:15",
"content": "Whats wrong with the line number on the front of the bus? If you have a bus stop with multiple lines stopping there, they have a map with all the line numbers so you see wich ones could go your way.The ... | 1,760,372,352.308563 | ||
https://hackaday.com/2023/03/26/caterpillar-like-soft-robot-with-distributed-programmable-thermal-actuation/ | Caterpillar-Like Soft Robot With Distributed Programmable Thermal Actuation | Maya Posch | [
"Robots Hacks",
"Science"
] | [
"locomotion",
"robot"
] | Researchers at North Carolina State University have
created a soft robot
that moves in a distinctly caterpillar-like manner. As detailed in the
research paper
in
Science Advances
by [Shuang Wu] and colleagues, the robot they developed consists of a layer of liquid crystalline elastomers (
LCE
) and polydimethylsiloxane... | 7 | 3 | [
{
"comment_id": "6625214",
"author": "TG",
"timestamp": "2023-03-27T05:16:33",
"content": "They need to put a little cute happy face on it, maybe as part of the pattern in the resistive heater. This would help publicity and grant funding greatly",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,372,352.24541 | ||
https://hackaday.com/2023/03/26/the-4004-upgrade-youve-been-waiting-for/ | The 4004 Upgrade You’ve Been Waiting For | Al Williams | [
"Retrocomputing",
"Software Hacks"
] | [
"4004",
"intel 40",
"intel 4004",
"retrocomputing"
] | You know how it is. You have an older computer, and you can’t run the latest software on it. Time to upgrade, right? Well, if you have been in this situation a very long time, [ryomuk] may have an answer for you. The
emu8080on4004 project
(
Google Translate
) offers a way to run 8080 code on a 4004 CPU. Finally!
The 40... | 5 | 3 | [
{
"comment_id": "6625127",
"author": "jcwren",
"timestamp": "2023-03-27T03:01:34",
"content": "I have several 4004s and support chips in storage. Maybe it’s time to dig them out…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6625252",
"author": "Eri... | 1,760,372,352.349152 | ||
https://hackaday.com/2023/03/26/hackaday-links-march-26-2023/ | Hackaday Links: March 26, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"decapping",
"deorbit",
"exoplanet",
"fairchild",
"Gordon Moore",
"hackaday links",
"Indianapolis",
"intel",
"james webb space telescope",
"jwst",
"moore's law",
"Paul Allen",
"Petrel",
"resistors",
"silicates",
"Starlink"
] | Sad news in the tech world this week as
Intel co-founder Gordon Moore passed away in Hawaii at the age of 94
. Along with Robert Noyce in 1968, Moore founded NM Electronics, the company that would later go on to become Intel Corporation and give the world the first commercially available microprocessor, the 4004, in 19... | 3 | 2 | [
{
"comment_id": "6625034",
"author": "Ostracus",
"timestamp": "2023-03-27T00:31:47",
"content": "And asianometry has their video on Moore’s Law.https://youtu.be/nRJgvX6P8dI",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6625501",
"author": "Gravis",
"t... | 1,760,372,352.394352 | ||
https://hackaday.com/2023/03/26/recreating-the-zx-spectrum-unboxing-experience-by-manufacturing-a-new-boxed-one/ | Recreating The ZX Spectrum Unboxing Experience By Manufacturing A New Boxed One | Maya Posch | [
"Retrocomputing"
] | [
"recreation",
"ZX Spectrum"
] | Why scour the internet for a rare-as-hen’s-teeth new in box ZX Spectrum computer when you can instead order up some parts, assemble a basically all new ZX Spectrum along with the box, instruction manuals and more?
That seems to have been the reasoning behind [Lost Retro Tapes] when they decided to do
exactly that
. Alo... | 7 | 5 | [
{
"comment_id": "6624902",
"author": "wrzwicky",
"timestamp": "2023-03-26T22:11:55",
"content": "Look like the cost is lower than the original price when adjusted for inflation.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6625005",
"author": "Nikolai",
... | 1,760,372,352.620893 | ||
https://hackaday.com/2023/03/26/ibis-models-explained/ | IBIS Models Explained | Al Williams | [
"Parts",
"Software Hacks"
] | [
"LTSpice",
"simulation",
"SPICE"
] | If you’ve worked with circuit simulation, you may have run into
IBIS models
. The acronym is input/output buffer information, and while you can do a lot without having to deal with IBIS, knowing about it can help you have a successful simulation.
IBIS is an industry-standard format that uses ASCII text to describe volt... | 2 | 2 | [
{
"comment_id": "6626178",
"author": "Drone",
"timestamp": "2023-03-28T07:34:53",
"content": "In my experience Input/output Buffer Information Specification (IBIS) [1] modeling is more for verifying signal integrity at the physical interfaces (e.g. Pins) of a device under test. Unlike with Simulatio... | 1,760,372,352.659013 | ||
https://hackaday.com/2023/03/25/gordon-moore-1929-2023/ | Gordon Moore, 1929 — 2023 | Jenny List | [
"Current Events",
"History",
"News"
] | [
"Gordon Moore",
"moore's law",
"semiconductors"
] | The news emerged yesterday that
Gordon Moore, semiconductor pioneer, one of the founders of both Fairchild Semiconductor and Intel, and the originator of the famous Moore’s Law, has died
. His continuing influence over all aspects of the technology which makes our hardware world cannot be overstated, and his legacy wil... | 16 | 6 | [
{
"comment_id": "6623581",
"author": "Ostracus",
"timestamp": "2023-03-25T18:32:17",
"content": "“Perhaps Silicon Valley doesn’t hold the place in might once have in the world of semiconductors, as Uber-for-cats app startups vie for attention and other semiconductor design hubs worldwide steal its t... | 1,760,372,352.716165 | ||
https://hackaday.com/2023/03/25/a-lego-camera-you-just-might-own-yourself/ | A LEGO Camera You Just Might Own Yourself | Jenny List | [
"Toy Hacks"
] | [
"35mm camera",
"lego",
"lego camera"
] | A camera makes for an interesting build for anyone, because it’s an extremely accessible technology that can be made from materials as simple as cardboard. More robust cameras often require significant work, but what if you could make a usable camera from LEGO? It’s a project taken on by [Zung92], who hasn’t simply mad... | 6 | 2 | [
{
"comment_id": "6623345",
"author": "bob",
"timestamp": "2023-03-25T14:55:57",
"content": "“diffraction based” ?!?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6623383",
"author": "Dan",
"timestamp": "2023-03-25T15:23:33",
"content... | 1,760,372,352.760235 | ||
https://hackaday.com/2023/03/25/clever-mechanism-powers-this-all-mechanical-filament-respooler/ | Clever Mechanism Powers This All-Mechanical Filament Respooler | Dan Maloney | [
"3d Printer hacks"
] | [
"cardboard",
"filament",
"gear",
"rack",
"sector",
"spool",
"transmission"
] | No matter how far down the 3D printing rabbit hole we descend, chances are pretty good that most of us won’t ever need to move filament from one spool to another. But even so, you’ve got to respect
this purely mechanical filament respooler design
, and you may want to build one for yourself just because.
We were tipped... | 12 | 7 | [
{
"comment_id": "6623212",
"author": "msrgpo",
"timestamp": "2023-03-25T11:58:55",
"content": "One man’s plastic memorabilia is another man’s land fill place holder.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6623215",
"author": "Truth",
"timestamp... | 1,760,372,352.900552 | ||
https://hackaday.com/2023/03/25/digitizing-sound-on-an-unmodified-sinclair-zx81/ | Digitizing Sound On An Unmodified Sinclair ZX81 | Jenny List | [
"digital audio hacks",
"Retrocomputing"
] | [
"sinclair",
"sinclair zx81",
"sound sampler"
] | Whatever the first computer you used to manipulate digital audio was, the chances are it came with dedicated sound hardware that could play, and probably record, digitized audio. Perhaps it might have been a Commodore Amiga, or maybe a PC with a Sound Blaster. If you happen to be [NICKMANN] though, you can lay claim to... | 27 | 16 | [
{
"comment_id": "6623002",
"author": "Hans Summers",
"timestamp": "2023-03-25T08:09:57",
"content": "Nice! Reminds me of my teenage self mid ’80’s when I did something similar but on a ZX Spectrum (the ZX81’s successor). Same 1 bit concept. I think it was from a magazine article. I wouldn’t have bee... | 1,760,372,353.036488 | ||
https://hackaday.com/2023/03/24/a-jenkins-demo-stand-for-modern-times/ | A Jenkins Demo Stand For Modern Times | Arya Voronova | [
"ARM",
"Software Development"
] | [
"automatic builds",
"Build Server",
"ci",
"cluster",
"continuous integration",
"Jenkins",
"RISC-V"
] | Once you’re working on large-scale software projects, automation is a lifesaver, and Jenkins is a strong player in open-source automation – be it software builds, automated testing or deploying onto your servers. Naturally, it’s historically been developed with x86 infrastructure in mind, and let’s be fair, x86 is gett... | 7 | 3 | [
{
"comment_id": "6622946",
"author": "No Fun Jun",
"timestamp": "2023-03-25T07:02:42",
"content": "This is great! however the mess of cables eliminates the coolness of this build.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6623142",
"author": "Ar... | 1,760,372,353.099518 | ||
https://hackaday.com/2023/03/24/glowscope-reduces-microscope-cost-by-orders-of-magnitude/ | Glowscope Reduces Microscope Cost By Orders Of Magnitude | Bryan Cockfield | [
"Phone Hacks"
] | [
"camera",
"cost",
"education",
"fluorescence",
"microscope",
"science",
"smartphone"
] | As smartphones become more ubiquitous in society, they are being used in plenty of ways not imaginable even ten or fifteen years ago. Using its sensors to gather LIDAR information, its GPS to get directions, its microphone to instantly translate languages, or even use its WiFi and cellular radios to establish a wireles... | 15 | 4 | [
{
"comment_id": "6622699",
"author": "spiritplumber",
"timestamp": "2023-03-25T02:39:43",
"content": "We made something like this in 2018, and even put it on hackaday. What’s the best way to contact the authors and see if we can collaborate?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,352.966071 | ||
https://hackaday.com/2023/03/24/dead-raspberry-pi-boards-pmics-and-new-hope/ | Dead Raspberry Pi Boards, PMICs, And New Hope | Arya Voronova | [
"Raspberry Pi",
"Repair Hacks"
] | [
"bricked",
"MXL7704",
"PMIC",
"raspberry pi",
"Raspberry Pi 4",
"short"
] | Since the Raspberry Pi 3B+ release, the Pi boards we all know and love gained one more weakpoint – the PMIC chip, responsible for generating all the power rails a Pi needs. Specifically, the new PMIC was way more vulnerable to shorting 5V and 3.3V power rails together – something that’s trivial to do on a Raspberry Pi,... | 22 | 13 | [
{
"comment_id": "6622557",
"author": "Jonathan Bennett",
"timestamp": "2023-03-24T23:38:14",
"content": "I suspected this would be possible. Just never got the soldering down, and never could find enough information to reflash the chip settings. Bravo for [Nefarious19] for going the distance here.",... | 1,760,372,353.167266 | ||
https://hackaday.com/2023/03/26/loudmouth-dji-drones-tell-everyone-where-you-are/ | Loudmouth DJI Drones Tell Everyone Where You Are | Arya Voronova | [
"drone hacks",
"Security Hacks"
] | [
"anti drone defenses",
"anti-drone",
"data privacy",
"DJI",
"location tracking",
"quadcopter"
] | Back when commercial quadcopters started appearing in the news on the regular, public safety was a talking point. How, for example, do we keep them away from airports? Well, large drone companies didn’t want the negative PR, so some voluntarily added geofencing and tracking mechanisms to their own drones.
When it comes... | 42 | 15 | [
{
"comment_id": "6624576",
"author": "Manfred",
"timestamp": "2023-03-26T14:59:07",
"content": "Ok, DroneID is doing exactly what it’s supposed to to, big deal.By the way, DjI drones only have DroneID in Markets where it is mandatory.No DroneID in my Mini 2 in Germany e.g.",
"parent_id": null,
... | 1,760,372,353.360077 | ||
https://hackaday.com/2023/03/26/classic-1960s-flip-clock-gets-ntp-makeover/ | Classic 1960s Flip Clock Gets NTP Makeover | Robin Kearey | [
"clock hacks",
"Microcontrollers"
] | [
"flip clock",
"ntp",
"split flap",
"Trinamic",
"wemos d1 mini"
] | Many of the clocks we feature here on Hackaday are entirely built from scratch, or perhaps reuse an unusual display type. But sometimes, an old clock is just perfect as it is, and only needs a bit of an upgrade to help it fit into the modern world. One such example is the lovely
1960s Copal flip clock
(in German,
Googl... | 14 | 5 | [
{
"comment_id": "6624583",
"author": "Wolfgang Jung",
"timestamp": "2023-03-26T15:06:02",
"content": "Hi,I’ve added the project to github:https://github.com/elektro-wolle/flip-clockHave fun and keep on hackingWolfgang",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,372,353.483944 | ||
https://hackaday.com/2023/03/26/is-your-usb-c-dock-out-to-hack-you/ | Is Your USB-C Dock Out To Hack You? | Arya Voronova | [
"Peripherals Hacks",
"Security Hacks"
] | [
"badusb",
"dock",
"docking station",
"usbc"
] | In today’s installment of Betteridge’s law enforcement, here’s an evil USB-C dock
proof-of-concept
by [Lachlan Davidson] from [Aura Division]. We’ve seen malicious USB devices aplenty, from cables and chargers to flash drives and even suspicious USB fans. But a dock, however, is new. The gist is simple — you take a sto... | 20 | 7 | [
{
"comment_id": "6624297",
"author": "Andrew",
"timestamp": "2023-03-26T08:57:15",
"content": "“Buy Now” is a suggestion. The button doesn’t actually do anything.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6624392",
"author": "Foldi-One",
"timestam... | 1,760,372,353.880949 | ||
https://hackaday.com/2023/03/25/recreating-one-of-historys-best-known-spy-gadgets/ | Recreating One Of History’s Best Known Spy Gadgets | Al Williams | [
"classic hacks",
"Radio Hacks"
] | [
"espionage",
"great seal bug",
"spytech",
"theremin",
"theremin's bug"
] | [Machining and Microwaves] got an interesting request. The BBC
asked him to duplicate the Great Seal Bug
— the device the Russians used to listen covertly to the US ambassador for seven years in 1945. Turns out they’re filming a documentary on the legendary surveillance device and wanted to demonstrate how it worked.
T... | 22 | 12 | [
{
"comment_id": "6624149",
"author": "jpa",
"timestamp": "2023-03-26T06:08:12",
"content": "For once, it turns out smartphones and wifi have anti-spying effects :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6624756",
"author": "Hirudinea",
... | 1,760,372,353.603337 | ||
https://hackaday.com/2023/03/25/single-flex-pcb-folds-into-a-four-wheel-rover-complete-with-motors/ | Single Flex PCB Folds Into A Four-Wheel Rover, Complete With Motors | Dan Maloney | [
"Robots Hacks"
] | [
"BLDC",
"brushless",
"ESP32",
"flex",
"pcb",
"pcb motor",
"pic",
"robot",
"rotor",
"rover",
"stator"
] | You’ve got to hand it to [Carl Bugeja] — he comes up with some of the most interesting electromechanical designs we’ve seen. His latest project is right up there, too:
a single PCB that folds up into a four-wheel motorized rover
.
The key to [Carl]’s design lies with his PCB brushless motors, which he has been refining... | 3 | 3 | [
{
"comment_id": "6624138",
"author": "Len Turnbow (@TurnbowLen)",
"timestamp": "2023-03-26T05:55:30",
"content": "Extremely cool, Carl! Can’t wait to see your version that sandwiches the wheel magnets between dual stators for more power!",
"parent_id": null,
"depth": 1,
"replies": []
}... | 1,760,372,353.532035 | ||
https://hackaday.com/2023/03/25/inside-digital-image-chips/ | Inside Digital Image Chips | Al Williams | [
"digital cameras hacks"
] | [
"CCD",
"image sensor"
] | Have you ever thought how amazing it is that every bit of DRAM in your computer requires a teeny tiny capacitor? A 16 GB DRAM has 128 billion little capacitors, one for each bit. However, that’s not the only densely-packed IC you probably use daily. The other one is the image sensor in your camera, which is probably in... | 8 | 5 | [
{
"comment_id": "6623825",
"author": "YGDES",
"timestamp": "2023-03-25T23:04:10",
"content": "Asianometry is an amazing channel ! Subscribe !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6623888",
"author": "Dink",
"timestamp": "2023-03-26T00:24:17",... | 1,760,372,353.659258 | ||
https://hackaday.com/2023/03/25/how-much-programming-can-chatgpt-really-do/ | How Much Programming Can ChatGPT Really Do? | Bryan Cockfield | [
"Artificial Intelligence",
"Software Development"
] | [
"ai",
"artificial intelligence",
"Assistant",
"ChatGPT",
"coding",
"programming",
"tool"
] | By now we’ve all seen articles where the entire copy has been written by ChatGPT. It’s essentially a trope of its own at this point, so we will start out by assuring you that this article is being written by a human. AI tools do seem poised to be extremely disruptive to certain industries, though, but this doesn’t nece... | 50 | 16 | [
{
"comment_id": "6623662",
"author": "Andrew",
"timestamp": "2023-03-25T20:01:46",
"content": "As long as it comments its code it should be fine.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6623687",
"author": "[EGO]",
"timestamp": "2023-0... | 1,760,372,353.762923 | ||
https://hackaday.com/2023/03/24/the-keychain-6809/ | The Keychain 6809 | Al Williams | [
"Retrocomputing"
] | [
"6809",
"multilayer",
"retrocomputer"
] | When you think of tiny microcontroller boards, you probably think of a modern surface mount processor. Not [Andreas Jakob].
His 5×5 cm keychain computer rocks a 6809 CPU at a blistering 1 MHz
or, if you prefer, a 6309 that runs at 5 MHz. The RAM — all 32K — is in a SMD package to make it fit, but the board also sports ... | 16 | 7 | [
{
"comment_id": "6622394",
"author": "Lee Hart",
"timestamp": "2023-03-24T20:50:32",
"content": "Wow! This is really cool. It’s impressive to see such a small SBC built with thru-hole parts.I built something similar with a different vintage CPU. It’s actually a bit smaller yet (2.15″ x 1.35″, 5.5 x ... | 1,760,372,354.693984 | ||
https://hackaday.com/2023/03/24/enjoy-an-open-source-espresso/ | Enjoy An Open-Source Espresso | Bryan Cockfield | [
"home hacks"
] | [
"Boiler",
"coffee",
"espresso",
"gaggiuino",
"open source"
] | One of the core principles of the open-source movement is that anyone who wants to build on a piece of work, in whatever way they want, is easily able to. With source code freely available, the original project can be expanded upon, modified, updated, or simply looked at and used as inspiration. Usually we think about ... | 15 | 10 | [
{
"comment_id": "6622288",
"author": "Jan Praegert",
"timestamp": "2023-03-24T18:48:38",
"content": "Finally, something very useful.+1",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6622387",
"author": "plotus",
"timestamp": "2023-03-24T20:36:30",
... | 1,760,372,353.819442 | ||
https://hackaday.com/2023/03/24/plan-to-jam-mobile-phones-in-schools-is-madness/ | Plan To Jam Mobile Phones In Schools Is Madness | Lewin Day | [
"Current Events",
"Featured",
"Original Art",
"Slider"
] | [
"Australia",
"cell phone jammer",
"cellphone",
"cellular jammer",
"cellular phone",
"mobile phone jammer",
"new south wales"
] | Mobile phones in schools. If you’re a teacher, school staffer, or a parent, you’ve likely got six hundred opinions about this very topic, and you will have had six hundred arguments about it this week. In Australia, push has come to shove, and several states have banned the use of mobile phones during school hours enti... | 329 | 50 | [
{
"comment_id": "6622166",
"author": "Severe Tire Damage",
"timestamp": "2023-03-24T17:16:29",
"content": "Makes sense to me. Jam those phones. Or confiscate them and sell them on Ebay and use the funds to improve education.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,354.525133 | ||
https://hackaday.com/2023/03/24/hackaday-podcast-211-pocket-sundial-origami-llama-pcb-spacemouse/ | Hackaday Podcast 211: Pocket Sundial, Origami Llama, PCB Spacemouse | Kristina Panos | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Contributor Emeritus Kristina Panos chewed the fat about the coolest hacks of the previous week. But first, a bit of news — our Low Power Challenge fizzled out this week, and boy did we have a lot of entries at the last minute. We love to see it though, and we’re going to ... | 3 | 2 | [
{
"comment_id": "6622312",
"author": "Dude",
"timestamp": "2023-03-24T19:14:54",
"content": "The reason why people went for the audio quality debate was because the argument for the “tea ceremony” point has no contest. It’s just true, so nothing left to say. Saying you wouldn’t have scratching witho... | 1,760,372,353.94357 | ||
https://hackaday.com/2023/03/24/low-power-challenge-making-an-analog-clock-into-a-calendar-with-a-50-year-life/ | Low-Power Challenge: Making An Analog Clock Into A Calendar With A 50-Year Life | Dan Maloney | [
"clock hacks",
"contests"
] | [
"arduino",
"bootloader",
"calendar",
"clock",
"Low-Power Challenge",
"Quartz",
"rtc"
] | You have to be pretty ambitious to
modify a clock to run for 50 years on a single battery
. You also should probably be pretty young if you think you’re going to verify your power estimates, at least in person. According to [Josh EJ], this modified quartz analog clock, which ticks off the date rather than the time, is ... | 24 | 6 | [
{
"comment_id": "6622089",
"author": "Clancydaenlightened",
"timestamp": "2023-03-24T15:40:16",
"content": "You probably could use less power with a cpld instead of a micro",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6622103",
"author": "bud",
"time... | 1,760,372,354.597131 | ||
https://hackaday.com/2023/03/24/this-week-in-security-usb-boom-acropalypse-and-a-bitcoin-heist/ | This Week In Security: USB Boom! Acropalypse, And A Bitcoin Heist | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Acropalypse",
"This Week in Security",
"typosquatting",
"usb"
] | We’ve covered a lot of sketchy USB devices over the years. And surely you know by now, if you find a USB drive, don’t plug it in to your computer. There’s more that could go wrong than just a malicious executable. We’ve covered creative and destructive ideas here on Hackaday, from creative firmware to capacitors that f... | 4 | 4 | [
{
"comment_id": "6622077",
"author": "Ostracus",
"timestamp": "2023-03-24T15:24:24",
"content": "” One of which using a USB extension cable, which is reported to have lacked enough voltage under load to have triggered the payload.”I imagine your USB articles have something to say about that.“And Goo... | 1,760,372,354.640823 |
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