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https://hackaday.com/2024/01/23/reverse-engineering-the-apple-touch-bar-screen/ | Reverse Engineering The Apple Touch Bar Screen | Maya Posch | [
"Mac Hacks",
"Reverse Engineering"
] | [
"apple",
"apple touch bar",
"mipi dsi"
] | The Apple Touch Bar was an oddity on a fairly small number of Apple laptops which replaced the function key row with a touch display. Yet what is special about this display other than its odd form factor when you consider it as a generic touch display? As [Wenting Zhang] describes in a recent
reverse-engineering video
... | 10 | 5 | [
{
"comment_id": "6723125",
"author": "Wenting Zhang",
"timestamp": "2024-01-24T00:40:43",
"content": "Sorry I wasn’t making it clear in the video… it’s still totally possible to do 60Hz video with command mode only, Apple is doing that on the MacBook after all. In addition it has Vsync output so it’... | 1,760,372,031.404935 | ||
https://hackaday.com/2024/01/23/autofeeding-cnc-lathe-cranks-out-parts-all-by-itself/ | Autofeeding CNC Lathe Cranks Out Parts All By Itself | Dan Maloney | [
"cnc hacks"
] | [
"automation",
"cnc",
"industrial",
"Pneumatics",
"spindle",
"wood"
] | The trouble with building a business around selling low-margin widgets is that you have to find a way to make a lot of them to make it worth your while. And if the widget in question is labor-intensive to make, you’ve got to find ways to reduce your inputs. That sounds like a job for industrial automation, a solution t... | 18 | 6 | [
{
"comment_id": "6723059",
"author": "robomonkey",
"timestamp": "2024-01-23T21:15:37",
"content": "Love the use of toggle bolts for the feed mechanism.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6723120",
"author": "Maher Lagha",
"timesta... | 1,760,372,031.350383 | ||
https://hackaday.com/2024/01/23/testing-your-c-knowledge-with-this-one-simple-quiz/ | Testing Your C Knowledge With This One Simple Quiz | Maya Posch | [
"Software Development"
] | [
"C quiz",
"quiz"
] | One of the most exciting aspects of the C programming language — as effectively high-level assembly — is that although it’s a bit friendlier for the developer, it also adds a lot of required know-how on account of its portability across platforms and architectures. This know-how is what [Oleksandr Kaleniuk] manages to ... | 53 | 24 | [
{
"comment_id": "6723017",
"author": "ziggurat29",
"timestamp": "2024-01-23T20:02:50",
"content": "“…and I’ve done some successful projects in C on my first full-time job, and even then, when I was mostly working with C++, I thought of it as over-bloated C.” lol; no, it’s not.I did fail the last on... | 1,760,372,032.152275 | ||
https://hackaday.com/2024/01/24/steamboat-willie-never-sounded-better/ | Steamboat Willie Never Sounded Better | Al Williams | [
"Misc Hacks"
] | [
"audio processing",
"disney",
"flutter",
"Mickey Mouse",
"steamboat willie"
] | Mickey Mouse’s introduction to the world was the 1928 cartoon, Steamboat Willie. Not only was it the first appearance of Mickey with sound, it was also one of the first cartoons to employ synchronized sound. The problem is, the sound is awful. Sure, after nearly a century, what do you expect? But [Oona Räisänen] though... | 13 | 6 | [
{
"comment_id": "6723666",
"author": "PPJ",
"timestamp": "2024-01-25T04:58:42",
"content": "I am guessing that flutter is acting a bit like FM – I really admire a person that was able identify that from recording and than to “demodulate” signal.This brings a question – every turntable has it’s flutt... | 1,760,372,031.671548 | ||
https://hackaday.com/2024/01/24/floss-weekly-episode-767-owntracks-are-we-there-yet/ | FLOSS Weekly Episode 767: Owntracks, Are We There Yet? | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"FLOSS Weekly",
"gps",
"mqtt",
"owntracks"
] | This week Jonathan Bennett and Jeff Massie talk with
JP Mens
about
Owntracks
, the collection of programs that lets you take back control of your own location data. It’s built around the simple idea of taking position data from a mobile phone or other data source, sending it over MQTT to a central server, and logging t... | 2 | 2 | [
{
"comment_id": "6723578",
"author": "Benjamin Meadors",
"timestamp": "2024-01-25T00:47:28",
"content": "Finally, a podcast that puts a name to my dental regimen!Great episode, guys. Owntracks sounds really neat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "... | 1,760,372,031.938035 | ||
https://hackaday.com/2024/01/24/robot-you-keep-using-that-word-but-it-doesnt-mean-what-you-think-it-means/ | Robot: You Keep Using That Word But It Doesn’t Mean What You Think It Means | Maya Posch | [
"History"
] | [
"android",
"automaton",
"Karl Čapek",
"robot"
] | The flute player automaton by
Innocenzo Manzetti
(1840)
With many words which are commonly used in everyday vocabulary, we are certain that we have a solid grasp of what they do and do not mean, but is this really true? Take the word ‘robot’ for example, which is more commonly used wrongly rather than correctly when go... | 33 | 15 | [
{
"comment_id": "6723493",
"author": "Natali",
"timestamp": "2024-01-24T21:29:34",
"content": "Thanks Maya!Could it be possible that we get in future some articles about the root of a modern terms. Something from where come the definition of a.i. or cells, battery…Who invented CAD, computer aided de... | 1,760,372,031.482334 | ||
https://hackaday.com/2024/01/24/fairberry-brings-the-pkb-back-to-your-smartphone/ | FairBerry Brings The PKB Back To Your Smartphone | Navarre Bartz | [
"blackberry hacks",
"Cellphone Hacks"
] | [
"arduino pro micro",
"blackberry",
"integrated keyboard",
"openscad",
"physical keyboard",
"smartphone"
] | Missing the feel of physical keys on your phone, but not ready to give up your fancy new touchscreen phone? [Dakkaron] has
attached a BlackBerry keyboard
to a slightly more recent device.
Designed for the FairPhone 4, [Dakkaron]’s hack should be transferable to other smartphones as it connects to the phone over USB wit... | 37 | 9 | [
{
"comment_id": "6723450",
"author": "dudefromthenorth",
"timestamp": "2024-01-24T19:50:39",
"content": "I really hope this happens for my “ancient” LG android thing…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6723569",
"author": "Dakkaron",
... | 1,760,372,031.625324 | ||
https://hackaday.com/2024/01/24/ask-hackaday-what-about-imperfect-features/ | Ask Hackaday: What About Imperfect Features? | Arya Voronova | [
"Hackaday Columns",
"Rants",
"Software Development"
] | [
"perfection",
"software",
"vlc"
] | Throughout the last few years’ time, I’ve been seeing sparks of an eternal discussion here and there. It’s a nuanced one, but if I could summarize, it’s about different feature development strategies we can follow to design things, especially if they’re aimed at a larger market. Specifically – when adding a feature, ho... | 24 | 13 | [
{
"comment_id": "6723423",
"author": "rclark",
"timestamp": "2024-01-24T18:31:34",
"content": "‘And when you sit in a developer’s seat, how you do you feel about working away at an imperfect feature that might just turn into a maintenance burden, especially if you can’t get yourself comfortable with... | 1,760,372,031.551809 | ||
https://hackaday.com/2024/01/24/random-number-generation-by-brain/ | Random Number Generation By Brain | Al Williams | [
"classic hacks"
] | [
"mathematics",
"Raku",
"random number generator"
] | If you want to start an argument in certain circles, claim to have a random number generation algorithm. Turns out that producing real random numbers is hard, which is why people often turn to strange methods and still, sometimes, don’t get it right. [Hillel Wayne] wanted to get a “good enough” method that could be don... | 29 | 12 | [
{
"comment_id": "6723398",
"author": "paulvdh",
"timestamp": "2024-01-24T16:43:46",
"content": "https://xkcd.com/221/Or use a real dice?Humans are just terrible at generating random numbers, and there is also no proof about the randomness of numbers generated by humans. That is why things like dice ... | 1,760,372,032.030963 | ||
https://hackaday.com/2024/01/24/human-written-or-machine-generated-finding-intelligence-in-language-models/ | Human-Written Or Machine-Generated: Finding Intelligence In Language Models | Maya Posch | [
"Artificial Intelligence",
"Featured",
"Science",
"Slider"
] | [
"artificial intelligence",
"large language model",
"natural language"
] | What is the essential element which separates a text written by a human being from a text which has been generated by an algorithm, when said algorithm uses a massive database of human-written texts as its input? This would seem to be the fundamental struggle which society currently deals with, as the prospect of a fut... | 45 | 7 | [
{
"comment_id": "6723390",
"author": "David",
"timestamp": "2024-01-24T15:47:57",
"content": "“ChatGPT fails to even ascertain that a person who died at 11 PM was logically still alive by noon earlier that day.”ChatGPT is technically correct to say it cannot ascertain whether the person was alive by... | 1,760,372,031.891745 | ||
https://hackaday.com/2024/01/23/could-solar-powered-airships-offer-cleaner-travel/ | Could Solar-Powered Airships Offer Cleaner Travel? | Lewin Day | [
"Hackaday Columns",
"Slider",
"Transportation Hacks"
] | [
"air travel",
"airship",
"clean travel",
"co2",
"solar power",
"transport"
] | The blimp, the airship, the dirigible. Whatever you call them, you probably don’t find yourself thinking about them too often. They were an easy way to get airborne, predating the invention of the airplane by decades. And yet, they suffered—they were too slow, too cumbersome, and often too dangerous to compete once con... | 93 | 26 | [
{
"comment_id": "6722962",
"author": "Agammamon",
"timestamp": "2024-01-23T18:12:36",
"content": "Oh, this is easy – no. No they can not.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6723161",
"author": "craig",
"timestamp": "2024-01-24T03... | 1,760,372,032.30395 | ||
https://hackaday.com/2024/01/23/is-this-the-worlds-smallest-n-scale-train-layout/ | Is This The World’s Smallest N-Scale Train Layout? | Kristina Panos | [
"Toy Hacks"
] | [
"foam",
"led",
"model train",
"model trains",
"N scale"
] | There’s just something about miniature worlds — they’re just so relaxing to look at and ponder. Think you don’t have ample room for a model train layout at your place? You may not be thinking small enough. [Peter Waldraff] knows a thing or two about hiding train layouts inside of furniture (that’s one solution), but th... | 7 | 4 | [
{
"comment_id": "6722993",
"author": "Iván Stepaniuk",
"timestamp": "2024-01-23T19:14:11",
"content": "If you are into miniatures, check Tokyobuild. It’s mind blowing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6723046",
"author": "Len",
"timestamp... | 1,760,372,032.515165 | ||
https://hackaday.com/2024/01/23/db-cooper-case-could-close-soon-thanks-to-particle-evidence/ | DB Cooper Case Could Close Soon Thanks To Particle Evidence | Kristina Panos | [
"chemistry hacks",
"Featured",
"History",
"News",
"Original Art",
"Slider"
] | [
"Boeing 727",
"cold rolling",
"D.B. Cooper",
"DB Cooper",
"skyjacking",
"titanium"
] | It’s one of the strangest unsolved cases, and even though the FBI closed their investigation back in 2016,
this may be the year it cracks wide open.
On November 24, 1971, Dan Cooper, who would become known as DB Cooper due to a mistake by the media, skyjacked a Boeing 727 — Northwest Orient Airlines Flight 305 — headed... | 47 | 11 | [
{
"comment_id": "6722913",
"author": "Al",
"timestamp": "2024-01-23T15:09:23",
"content": "Of course, a tie could always have been donated away or sold at a garage sale. Not to say that this avenue is the wrong one either.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,372,032.906605 | ||
https://hackaday.com/2024/01/23/another-chance-to-revive-your-nabaztag/ | Another Chance To Revive Your Nabaztag | Jenny List | [
"home hacks"
] | [
"internet of things",
"nabaztag",
"Raspberry Pi Zero W"
] | The early history of home internet appliances was replete with wonderful curios as a new industry sought to both find a function for itself and deliver something useful with whatever semiconductors were available nearly two decades ago. A favourite of ours is the Nabaztag, a French-designed information appliance in the... | 17 | 8 | [
{
"comment_id": "6722875",
"author": "rubeus haCKgrid",
"timestamp": "2024-01-23T13:22:59",
"content": "You could hack it, with an ardurino and also with a pico projector instead of this red leds.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6722886",
... | 1,760,372,032.619519 | ||
https://hackaday.com/2024/01/23/ai-on-the-hunt-for-better-batteries/ | AI On The Hunt For Better Batteries | Navarre Bartz | [
"Artificial Intelligence",
"Battery Hacks"
] | [
"ai",
"artificial intelligence",
"battery",
"electric vehicle",
"ev",
"machine learning",
"science",
"solid state",
"solid-state battery"
] | While certain dystopian visions of the future have humans power the grid for AIs, Microsoft and Pacific Northwest National Laboratory (PNNL) set a machine learning system on the path of
better solid state batteries
instead.
Solid state batteries are the
current darlings of battery research
, promising a step-change in ... | 19 | 7 | [
{
"comment_id": "6722817",
"author": "Chris Burch",
"timestamp": "2024-01-23T09:57:03",
"content": "Robots controlled by AI looking for batteries in the lab or the surgical table? What could possibly go wrong here!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,372,032.81545 | ||
https://hackaday.com/2024/01/22/writing-and-running-atari-2600-games-in-your-browser/ | Writing And Running Atari 2600 Games In Your Browser | Maya Posch | [
"Retrocomputing"
] | [
"atari 2600",
"emscripten"
] | Here in 2024, writing new games for the venerable Atari 2600 game console is easier than ever, with plenty of emulators and toolchains to convert your code into ready-to-load ROMs. Yet what is easier than diving straight into 6502 assembly code without even having to download or set up a toolchain? That’s where [Henry ... | 7 | 2 | [
{
"comment_id": "6722878",
"author": "Hermi",
"timestamp": "2024-01-23T13:34:13",
"content": "So children we dont need to go to a retro museum, your hipster parents can show you what they played in their youth in the browser :-D",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,032.667291 | ||
https://hackaday.com/2024/01/22/kites-fill-electricity-generation-gaps/ | Kites Fill Electricity Generation Gaps | Bryan Cockfield | [
"green hacks"
] | [
"battery",
"electricity",
"energy",
"kite",
"kitepower",
"microgrid",
"shipping container",
"turbine",
"wind"
] | Looking at a wind turbine from first principles, it’s essentially a set of wings that generate lift in much the same way an airplane wing does. Putting the wings on a rotor and calling them “blades” is not a huge step away from that. But there’s no reason the wing has to rotate, or for that matter be attached to a fixe... | 48 | 10 | [
{
"comment_id": "6722724",
"author": "Ronald",
"timestamp": "2024-01-23T03:48:25",
"content": "The design as described in the IEEE article sounds really close to the one that Makani could never get to work. As far as I can tell, they haven’t developed something that can overcome the issues that kill... | 1,760,372,032.756031 | ||
https://hackaday.com/2024/01/22/3d-printed-screw-compressor-revisited/ | 3D Printed Screw Compressor Revisited | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"screw compressor"
] | [Indeterminate Design] tried to 3D print a screw compressor some time ago but wasn’t satisfied with the result. He’s trying it again, and you can check it out in the video below. You can also download the
3D printable files
.
This isn’t a 3D-printed keychain. The screw threads have to mesh with a small space between th... | 12 | 8 | [
{
"comment_id": "6722326",
"author": "mario mortadella",
"timestamp": "2024-01-22T13:01:23",
"content": "i actually thought these were fusilli noodles",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6722371",
"author": "James",
"timestamp": "2024-01-22T... | 1,760,372,032.564869 | ||
https://hackaday.com/2024/01/22/haier-europe-eases-off-on-legal-threat-and-seeks-dialogue/ | Haier Europe Eases Off On Legal Threat And Seeks Dialogue | Maya Posch | [
"News",
"Reverse Engineering"
] | [
"Haier",
"home automation",
"IoT",
"legal",
"smart home"
] | After initially sending a cease and desist order to [Andre Basche] – the developer of a Haier hOn plugin for Home Assistant – Haier Europe’s head of Brand and IoT has now penned a much more amicable response, seeking to enter into dialogue in search of a solution for both parties.
This latest development is detailed bo... | 42 | 11 | [
{
"comment_id": "6722227",
"author": "Chris",
"timestamp": "2024-01-22T10:01:18",
"content": "Sounds like they don’t like the negative publicity and realised they don’t really have a legal foot to stand on anyway",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,372,033.240621 | ||
https://hackaday.com/2024/01/21/fm-radio-is-discriminating/ | FM Radio Is Discriminating | Al Williams | [
"Radio Hacks"
] | [
"fm",
"fm discriminator"
] | AM radios were easy to understand. The strength of the signal goes up and down, and the audio follows. FM radio is a little more difficult. [AllAmericanFiveRadio] has an old tube FM set and takes us on a tour of how the
FM discriminator works
. You can see the video below.
The first step is to look at the IF signal on ... | 13 | 5 | [
{
"comment_id": "6722162",
"author": "Joshua",
"timestamp": "2024-01-22T08:15:51",
"content": "In principle, any AM radio is capable of demodulation of FM signals, by using edge demodulation – that’s slope detection in English?That’s a technique which CBers in Europe occasionally had used when FM ... | 1,760,372,033.155477 | ||
https://hackaday.com/2024/01/21/640k-was-never-enough-for-anyone-how-dos-broke-free/ | 640k Was Never Enough For Anyone: How DOS Broke Free | Jenny List | [
"Retrocomputing"
] | [
"8086",
"dos",
"ram"
] | On modern desktop and laptop computers, there is rarely a need to think about memory. We all have many gigabytes of the stuff, and it’s just
there
. Our operating system does the heavy lifting of working out what goes where and what needs to be paged to disk, and we just get on with reading
Hackaday
, that noblest of c... | 38 | 17 | [
{
"comment_id": "6722008",
"author": "CMH62",
"timestamp": "2024-01-22T03:49:57",
"content": "Back in the day, yes … you spent a fair portion of your time optimizing your DOS computer (and especially RAM) in order to be able to do anything useful on it. But that was part of the fun. I remember rea... | 1,760,372,033.103073 | ||
https://hackaday.com/2024/01/21/hackaday-links-january-21-2024/ | Hackaday Links: January 21, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"banana for scale",
"calcium channels",
"communication",
"Eben Upton",
"google",
"Guam",
"hackaday links",
"marine radio",
"plants",
"Play Store",
"raspberry pi",
"takedown",
"VHF"
] | Have you noticed any apps missing from your Android phone lately? We haven’t but then again, we try to keep the number of apps on our phone to a minimum, just because it seems like the prudent thing to do. But apparently,
Google is summarily removing apps from the Play Store
, often taking the extra step of silently re... | 16 | 7 | [
{
"comment_id": "6721901",
"author": "Piecutter",
"timestamp": "2024-01-22T00:12:30",
"content": "Cavendish, Manzano, old school Gros Michel…Cue the banana standard wars!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6722530",
"author": "Hirudinea",... | 1,760,372,033.303323 | ||
https://hackaday.com/2024/01/21/simulating-cellular-biology-in-the-browser/ | Simulating Cellular Biology In The Browser | Al Williams | [
"Medical Hacks"
] | [
"biology",
"cellular metabolism",
"simulation"
] | [Technistuff] read a paper about simulating a “minimal” cell — apparently a cell with only 493 genes. This led to a goal:
reproduce the simulation in TypeScript
so it can run in a web browser. Why? We don’t know, but it is an interesting look at both in-depth biology and how to handle complex simulations. The code is a... | 7 | 3 | [
{
"comment_id": "6721800",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-01-21T21:50:44",
"content": "So, how many genes are in a virus?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6721817",
"author": "The Commenter Formerly ... | 1,760,372,033.356042 | ||
https://hackaday.com/2024/01/21/creators-can-fight-back-against-ai-with-nightshade/ | Creators Can Fight Back Against AI With Nightshade | Jenny List | [
"Artificial Intelligence",
"Software Hacks"
] | [
"ai",
"generative AI",
"image poisoning"
] | If an artist were to make use of a piece of intellectual property owned by a large tech company, they risk facing legal action. Yet many creators are unhappy that those same tech companies are using their IP on a grand scale in the form of training material for generative AI. Can they fight back?
Perhaps now they can, ... | 78 | 16 | [
{
"comment_id": "6721717",
"author": "Mark Topham",
"timestamp": "2024-01-21T18:08:31",
"content": "It just means the models consuming the image will have to apply a human perception filter.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6721718",
"a... | 1,760,372,033.49664 | ||
https://hackaday.com/2024/01/22/x-ray-ct-scanners-from-ebay-brought-back-to-life/ | X-Ray CT Scanners From EBay, Brought Back To Life | Donald Papp | [
"Repair Hacks",
"Science"
] | [
"citizen science",
"ct scanner",
"medical equipment",
"refurbish",
"repair",
"x-ray"
] | If you have ever wondered what goes into repairing and refurbishing an X-ray Computed Tomography (CT) scanner, then don’t miss
[Ahron Wayne]’s comprehensive project page on doing exactly that
. He has two small GE Explore Locus SP machines, and it’s a fantastic look into just what goes into these machines.
CT scan of p... | 13 | 6 | [
{
"comment_id": "6722678",
"author": "SETH",
"timestamp": "2024-01-23T00:30:57",
"content": "I cant believe they found Pokemon on an ancient papyrus.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6722709",
"author": "DerAxeman",
"timestamp": "2024-01-... | 1,760,372,033.612922 | ||
https://hackaday.com/2024/01/22/read-qr-codes-without-a-computer/ | Read QR Codes Without A Computer | Al Williams | [
"Misc Hacks"
] | [
"qr",
"qr code"
] | Did you ever watch Star Wars and wondered how people understood what R2D2 was saying? Maybe [Luke Skywalker] would enjoy learning to decode
QR Codes by hand
, too. While it might not be very practical, it would be a good party trick — assuming, like us, you party with nerds.
You can start by scanning a code, or the sit... | 23 | 8 | [
{
"comment_id": "6722602",
"author": "scott_tx",
"timestamp": "2024-01-22T21:13:37",
"content": "I dont need a computer, I use my phone :P",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6722651",
"author": "rclark",
"timestamp": "2024-01-22T2... | 1,760,372,033.559596 | ||
https://hackaday.com/2024/01/22/inside-a-fake-lm358/ | Inside A Fake LM358 | Al Williams | [
"Parts"
] | [
"fake parts",
"op-amp"
] | [IMSAI Guy] got some fake LM358 op-amps. Uncharacteristically, these chips actually performed well even though they didn’t act like LM358s. [IMSAI Guy] did a video about the fake chips and someone who saw it offered to
analyze the part compared to a real LM358
to see what was going on. You can see it too in the video b... | 23 | 8 | [
{
"comment_id": "6722550",
"author": "Aaron",
"timestamp": "2024-01-22T19:41:10",
"content": "The thing that bothers me about fake components (other than someone scamming you) is that while it may perform to spec, and the way you expect it to perform when used properly, it may not perform the way it... | 1,760,372,033.759774 | ||
https://hackaday.com/2024/01/22/switching-regulators-for-dummies/ | Switching Regulators For Dummies | Arya Voronova | [
"Hackaday Columns",
"Parts",
"Slider"
] | [] | We often use linear regulators in our designs. They are cheap and simple – you put the regulator chip itself on the board, add two capacitors, and get a voltage. Linear regulators are imperfect, of course – they can’t help but waste the voltage difference as heat, for a start, which straight up excludes them for high-c... | 30 | 13 | [
{
"comment_id": "6722515",
"author": "Ccecil",
"timestamp": "2024-01-22T18:20:59",
"content": "What no love for the Recom add in regulators :)I personally like them for anything where I am not going over 1a. Easy to add to designs, very few parts.The R-78E5.0-1.0 has been the recommended optional ... | 1,760,372,033.692617 | ||
https://hackaday.com/2024/01/22/x-ray-investigations-hack-chat/ | X-Ray Investigations Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, January 24 at noon Pacific for the
X-Ray Investigation Hack Chat
with Ahron Wayne!
It’s hard to imagine a world where we didn’t figure out how to use X-rays to peer inside things. Before Röntgen’s discovery that X-rays could penetrate living tissue, doctors had only limited (and often unpleasant) ... | 7 | 4 | [
{
"comment_id": "6722476",
"author": "Aram",
"timestamp": "2024-01-22T17:22:56",
"content": "Go wildcats!University of Kentucky!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6722478",
"author": "Down with the stasi",
"timestamp": "2024-01-22T17:27:26... | 1,760,372,033.809537 | ||
https://hackaday.com/2024/01/22/fixing-a-pdp-11-03-power-supply-is-easy-when-you-understand-it/ | Fixing A PDP-11/03 Power Supply Is Easy When You Understand It | Maya Posch | [
"Retrocomputing",
"Reverse Engineering"
] | [
"DEC PDP-11",
"pdp-11",
"pdp-11/03"
] | After we last saw [David Lovett] of [Usagi Electric], he was knee-deep in trying to fix a DEC PDP-11/03 power supply, which fortunately led to a fixed PSU and a very happy PDP-11/23 system installed in the enclosure, as he
covers in today’s video
. Previously,
we had covered
his debugging attempt of this very much dead... | 6 | 5 | [
{
"comment_id": "6722531",
"author": "Bill Higdon",
"timestamp": "2024-01-22T18:56:24",
"content": "This regulator topology was not uncommon back in the 70’s & 80’s",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6722560",
"author": "CityZen",
"timestam... | 1,760,372,033.858019 | ||
https://hackaday.com/2024/01/22/bell-labs-is-leaving-the-building/ | Bell Labs Is Leaving The Building | Al Williams | [
"Current Events",
"Interest",
"News",
"Rants"
] | [
"bell labs",
"innovation",
"research"
] | If you ever had the occasion to visit Bell Labs at Murray Hill, New Jersey, or any of the nearby satellite sites, but you didn’t work there, you were probably envious. For one thing, some of the most brilliant people in the world worked there. Plus, there is the weight of history — Bell Labs had a hand in ten Nobel pri... | 21 | 10 | [
{
"comment_id": "6722423",
"author": "Ostracus",
"timestamp": "2024-01-22T15:37:49",
"content": "Doesn’t Microsoft own Nokia?https://youtu.be/sol42341LaM",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6722441",
"author": "Al Williams",
"times... | 1,760,372,034.059246 | ||
https://hackaday.com/2024/01/21/computer-logic-spins-with-no-electricity/ | Computer Logic Spins With No Electricity | Al Williams | [
"Toy Hacks"
] | [
"logic gate",
"spintronics"
] | We’ve often said you can make a logic gate out of darn near anything. [The Action Lab] agrees and just released a video showing how he made some
logic gates from chains and gears
. Along the way, he makes the case that the moving chain is an analog for electric current. The demonstration uses a commercial toy known as ... | 21 | 11 | [
{
"comment_id": "6721665",
"author": "Then",
"timestamp": "2024-01-21T15:21:23",
"content": "I find this analogy mildly confusing, could be the overwhelming visual part but this never worked for me.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6721736",
... | 1,760,372,034.175588 | ||
https://hackaday.com/2024/01/21/reverse-engineering-the-web-nywhere-watch-for-2001-era-smartwatch-action/ | Reverse-Engineering The Web-@nywhere Watch For 2001-Era Smartwatch Action | Maya Posch | [
"Reverse Engineering",
"Wearable Hacks"
] | [
"smartwatch"
] | Although smartwatches seem to be just a recent fad, people have been strapping wristwatches to their wrists with all kinds of functionality. Whether a miniscule calculator, a remote control, an organizer or as in the case of the Web-@nywhere Watch a web browser. In the last case only sort of, naturally, as it was relea... | 10 | 3 | [
{
"comment_id": "6721615",
"author": "ono",
"timestamp": "2024-01-21T12:26:00",
"content": "“Fortunately, the protocol between the PC and the watch is a standard serial link (with parity), ”A serial link is not a protocol !",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,034.114484 | ||
https://hackaday.com/2024/01/21/garden-light-turned-mesh-network-node/ | Garden Light Turned Mesh Network Node | Danie Conradie | [
"Solar Hacks",
"Wireless Hacks"
] | [
"garden light",
"LoRa",
"Meshtastic",
"solar"
] | We love a good deal, especially when it comes to scavenging parts for projects. Cheap outdoor solar lights are more than just garden accessories; they’re a handy source of waterproof enclosures, solar panels and batteries. This is demonstrated by [Tavis], who
turned one such light into a Meshtastic LoRa communication n... | 11 | 5 | [
{
"comment_id": "6721599",
"author": "reyheyh",
"timestamp": "2024-01-21T11:51:30",
"content": "meshtastic still not connect to normal network like matrix , tox or wireI cant send message (no mQTT) from router, I can use this same network for 443 etc.Apple AirTag have more flexibility mesh networkBL... | 1,760,372,034.427959 | ||
https://hackaday.com/2024/01/20/learn-sailing-mechanics-without-leaving-dry-land/ | Learn Sailing Mechanics Without Leaving Dry Land | Danie Conradie | [
"Toy Hacks",
"Transportation Hacks"
] | [
"arduino",
"sailing",
"simulator"
] | The ancient art of sailing can be very intimidating for the uninitiated given the shifty nature of wind. To help understand the interaction of wind direction and board orientation, [KifS] designed a
hands-on sailing demonstrator
that lets students grasp the basics before setting foot on a real sailboat.
The demonstrato... | 31 | 16 | [
{
"comment_id": "6721635",
"author": "Rune",
"timestamp": "2024-01-21T13:08:09",
"content": "I must admit this pains me to see. Why not just take the kids sailing?This seams so disconnected from what I enjoyed about sailing when I was a kid",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,034.673045 | ||
https://hackaday.com/2024/01/20/how-a-steam-bug-once-deleted-all-of-someones-user-data/ | How A Steam Bug Once Deleted All Of Someone’s User Data | Maya Posch | [
"Software Development"
] | [
"linux",
"valve"
] | In a retrospective, [Kevin Fang]
takes us back to 2015
, when on the Steam for Linux issue tracker [keyvin]
opened an issue
to report that starting the Steam client after moving the Steam folder had just wiped all of his user data, including his backup drive mounted under
/media
. According to [keyvin], he moved the st... | 14 | 8 | [
{
"comment_id": "6721553",
"author": "BaSz",
"timestamp": "2024-01-21T07:53:40",
"content": "#!/bin/bashset -eu -o pipefail# TODO: rest off the script goes here",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6721598",
"author": "Floydian Slip",
... | 1,760,372,034.601332 | ||
https://hackaday.com/2024/01/20/the-giant-lego-you-always-wanted-to-play-with/ | The Giant LEGO You Always Wanted To Play With | Jenny List | [
"Toy Hacks"
] | [
"lego",
"lego brick",
"snow"
] | The interlocking LEGO bricks are probably one of the most versatile toys to come out of the 20th century, but aside from the Duplo larger-sized version for smaller kids, they don’t come in what you might term grown-up sizes. This has not deterred [Veranda Vikings] though, who have come up with
the fantastic idea of gia... | 18 | 9 | [
{
"comment_id": "6721399",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-01-21T00:25:01",
"content": "Great idea!But, instead of using the “bricks” to build the entire structure and have the gaps caused by the buttons of the lower bricks, use regular blocks of snow for lower ti... | 1,760,372,034.536668 | ||
https://hackaday.com/2024/01/20/hope-is-on-spread-the-word/ | HOPE Is On, Spread The Word | Tom Nardi | [
"cons"
] | [
"2600",
"hope",
"HOPE conference",
"HOPE XV"
] | Since 1994, Hackers on Planet Earth (HOPE) has been on the short list of must-see hacker events in the United States. Held in New York every other year (global pandemics notwithstanding), it’s an event where hackers, makers, artists, and luminaries can meet and swap ideas into the wee hours of the morning. With hands-o... | 3 | 3 | [
{
"comment_id": "6721574",
"author": "cdilla",
"timestamp": "2024-01-21T09:57:02",
"content": "Nice to see you spreading the word on this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6721877",
"author": "CMH62",
"timestamp": "2024-01-21T23:37:30",
... | 1,760,372,034.475727 | ||
https://hackaday.com/2024/01/20/street-photography-with-radar/ | Street Photography, With RADAR! | Jenny List | [
"digital cameras hacks"
] | [
"camera",
"radar",
"rangefinder"
] | As the art of film photography has gained once more in popularity, some of the accessories from a previous age have been reinvented, as is the case with
[tdsepsilon]’s radar rangefinder
. Photographers who specialized in up-close-and-personal street photography in the mid-20th century faced the problem of how to focus ... | 8 | 4 | [
{
"comment_id": "6721339",
"author": "Thinkerer",
"timestamp": "2024-01-20T19:27:18",
"content": "This is a cool project and offers the additional ability to scan a 3D surface data set by moving the sensor as people have done with the ultrasound modules.For photographic use, one of the foreseeable p... | 1,760,372,034.715499 | ||
https://hackaday.com/2024/01/20/hardware-should-lead-software-right/ | Hardware Should Lead Software, Right? | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"hardware",
"newsletter",
"openwrt",
"software"
] | Once upon a time, about twenty years ago, there was a Linux-based router, the Linksys WRT54G. Back then, the number of useful devices running embedded Linux was rather small, and this was a standout. Back then, getting a hacker device that wasn’t a full-fledged computer onto a WiFi network was also fairly difficult. Th... | 26 | 14 | [
{
"comment_id": "6721299",
"author": "Pat",
"timestamp": "2024-01-20T16:20:26",
"content": "“How many other examples of hardware designed to fit into existing software ecosystems can you think of?”I think this is a little different – what you’re saying here is basically the entire x86 hardware tree ... | 1,760,372,034.785987 | ||
https://hackaday.com/2024/01/20/erasing-eeproms-isnt-always-as-easy-as-it-seems/ | Erasing EEPROMs Isn’t Always As Easy As It Seems | Dan Maloney | [
"Parts",
"Retrocomputing"
] | [
"27C512",
"2n3904",
"2N3906",
"6502",
"bjt",
"eeprom",
"retro",
"switching"
] | When is 14 volts not actually 14 volts? Given
[Anders Nielsen]’s recent struggles with erasing an old-school EEPROM
, it’s when you really need it that things tend to go pear-shaped.
A little background is perhaps in order. [Anders] is working on
a scratch-built programmer for ROMs
to complement
his 65uino project
, wh... | 2 | 2 | [
{
"comment_id": "6721826",
"author": "nitpicker",
"timestamp": "2024-01-21T22:29:29",
"content": "“Just goes to show you that the data sheets don’t always tell the whole story.”I beg to differ; on page eight of revision A6 of the Winbond W27C512 datasheet, available athttps://mm.digikey.com/Volume0/... | 1,760,372,034.831482 | ||
https://hackaday.com/2024/01/20/arduino-provides-no-fuss-snes-to-usb-conversion/ | Arduino Provides No Fuss SNES-To-USB Conversion | Jenny List | [
"Arduino Hacks",
"Nintendo Hacks",
"Peripherals Hacks"
] | [
"snes",
"super famicom",
"usb"
] | Even for those of us who are fans of retrocomputing, it’s fair to say that not everyone plays their old-school games on real old-school hardware. The originals are now fragile and expensive, and emulators are good enough that if the gaming experience is all you’re after there’s little point in spending all that cash.
T... | 14 | 7 | [
{
"comment_id": "6721250",
"author": "John Little",
"timestamp": "2024-01-20T11:09:13",
"content": "Just a thought: I’ve seen NRF52840 microcontroller modules that also have an onboard LIPO charging circuit (e.g. Seeeduino XIAO BLE). Using the NRF5280 instead of a ATMEGA32U4 would allow to have both... | 1,760,372,034.879936 | ||
https://hackaday.com/2024/01/19/testing-the-atlas-icbm-a-1958-time-capsule-video/ | Testing The Atlas ICBM: A 1958 Time Capsule Video | Maya Posch | [
"History"
] | [
"cold war",
"missile",
"SM-65 Atlas"
] | The control room during the 1958 Atlas B 4B test. (Source: Convair)
Recently the [Periscope Film] channel on YouTube published a
1960 color documentary
featuring the 1958 launch of the Atlas B (SM-65B) ICBM, in its second, Missile 4B iteration. This was the second model of the second prototype, which earned the distinc... | 11 | 5 | [
{
"comment_id": "6721231",
"author": "BT",
"timestamp": "2024-01-20T09:55:27",
"content": "I found it interesting to see the genesis of many NASA Apollo and Shuttle launch procedures here – the launch of an ICBM should not seem so familiar!",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,034.936596 | ||
https://hackaday.com/2024/01/19/can-car-parts-grow-on-trees/ | Can Car Parts Grow On Trees? | Navarre Bartz | [
"car hacks"
] | [
"agricultural waste",
"biocomposite",
"bioplastic",
"Olive",
"trash to treasure",
"tree",
"tree trimming",
"waste",
"wood"
] | Cars don’t grow on trees, but Ford is designing
car parts from olive tree cuttings
. [via
Electrek
]
Ford is no stranger to designing parts from plants for their vehicles. Henry famously liked to beat on the
Soy Bean Car
with a blunted axe to tout the benefits of bioplastic panels. Researchers at Ford’s Cologne, German... | 27 | 10 | [
{
"comment_id": "6721174",
"author": "Agammamon",
"timestamp": "2024-01-20T04:28:55",
"content": "Are we going to see massive olive tree orchards competing with corn farmers for government subsidies – while people go hungry because its all going into cars?",
"parent_id": null,
"depth": 1,
... | 1,760,372,035.00496 | ||
https://hackaday.com/2024/01/19/alarm-panel-hack-defeats-encryption-by-ignoring-it/ | Alarm Panel Hack Defeats Encryption By Ignoring It | Dan Maloney | [
"home hacks"
] | [
"16x2",
"ESP32",
"hd44780",
"home automation",
"home-assistant",
"lcd",
"matrix",
"optocoupler"
] | As frustrating as it may be for a company to lock you into its ecosystem by encrypting their protocols, you have to admit that it presents an enticing challenge. Cracking encryption can be more trouble than it’s worth, though, especially when a device gives you
all the tools you need to do an end-run around their encry... | 23 | 9 | [
{
"comment_id": "6721134",
"author": "Matthew Carlson",
"timestamp": "2024-01-20T00:48:59",
"content": "myQ is still an active disaster. Makes me mad every time I think about it",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6721161",
"author": "Adjustinth... | 1,760,372,035.439281 | ||
https://hackaday.com/2024/01/19/radar-glasses-grant-vision-free-distance-sensing/ | ‘Radar’ Glasses Grant Vision-free Distance Sensing | Donald Papp | [
"Wearable Hacks"
] | [
"assistive device",
"blindness",
"lidar",
"radar",
"Time of Flight Sensor",
"vision impaired",
"VL53L1X"
] | [tpsully]’s
Radar Glasses
are designed as a way of sensing the world without the benefits of normal vision. They consist of a distance sensor on the front and a vibration motor mounted to the bridge for haptic feedback. The little motor vibrates in proportion to the sensor’s readings, providing hands-free and intuitive... | 7 | 6 | [
{
"comment_id": "6721075",
"author": "Bear Naff",
"timestamp": "2024-01-19T21:35:13",
"content": "Of course I can’t find it now that I’m looking for it, but one of the wearable computing pioneers played around with integrating extra senses into existing sensory channels. You know, things like a dig... | 1,760,372,035.361719 | ||
https://hackaday.com/2024/01/19/you-wouldnt-download-a-house/ | You Wouldn’t Download A House | Navarre Bartz | [
"home hacks"
] | [
"cnc",
"CNC woodworking",
"design for disassembly",
"maslow",
"plywood",
"plywood house",
"structural insulated panel",
"WikiHouse",
"wooden house"
] | Shelter is one of the most basic of human needs, so it shouldn’t be a surprise that we continually come up with new ways to build homes. Most building systems are open source to an extent, and the
WikiHouse project
tries to update the process for the internet age.
WikiHouse is a modular building system similar to
struc... | 62 | 10 | [
{
"comment_id": "6721036",
"author": "paulvdh",
"timestamp": "2024-01-19T19:59:11",
"content": "I’ve seen this before, and it’s quite a waste of materials.Just the idea of first making plywood from tree trunks and then then converting it to “beams” and then building something from that again, Why no... | 1,760,372,035.655194 | ||
https://hackaday.com/2024/01/19/hackaday-podcast-episode-253-more-wood-robot-glitching-and-fuming-nitric-acid-we-heart-usb-c/ | Hackaday Podcast Episode 253: More Wood Robot, Glitching And Fuming Nitric Acid, We Heart USB-C | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week Hackaday Editors Elliot Williams and Tom Nardi start things off with a traffic report from the Moon, which has suddenly become a popular destination for wayward robots.
Anonymizing an ATtiny85 via laser
From there, they’ll go over a fire-tending contraption that’s equal parts madness and brilliance, two decad... | 4 | 3 | [
{
"comment_id": "6721063",
"author": "Elliot Williams",
"timestamp": "2024-01-19T20:56:13",
"content": "Joked about it in the podcast…https://hackaday.com/wp-content/uploads/2024/01/DSCF3565.jpg",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6722006",
... | 1,760,372,035.80652 | ||
https://hackaday.com/2024/01/19/z80-i-o-madness/ | Z80 I/O Madness | Al Williams | [
"Retrocomputing"
] | [
"breadboard",
"documentation",
"z80"
] | While the 8080 started the personal computer revolution, the Z80 was quickly a winner because it was easier to use and had more capabilities. [Noel] found out though that the
Z80 OUT instruction is a little odd
and, in fact, some of the period documentation was incorrect.
Many CPUs used memory-mapped I/O, but the 8080 ... | 28 | 5 | [
{
"comment_id": "6721012",
"author": "arcdoom",
"timestamp": "2024-01-19T18:39:34",
"content": "The Z80 was the winner????The heck is that statement. The Z80 was designed to quite literally function as an 8080/as an extension of. It was so close that they had to double back and change stuff and it d... | 1,760,372,035.505802 | ||
https://hackaday.com/2024/01/19/this-week-in-security-gitlab-vmware-and-pixefail/ | This Week In Security: Gitlab, VMware, And PixeFAIL | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"gitlab",
"Ivanti",
"This Week in Security",
"vmware"
] | There’s a
Gitlab vulnerability that you should probably pay attention to
. Tracked as CVE-2023-7028, this issue allows an attacker to specify a secondary email during a the password reset request. Only one email has to match the one on record, but the password reset link gets sent to both emails. Yikes!
What makes this... | 3 | 3 | [
{
"comment_id": "6720949",
"author": "BillyG",
"timestamp": "2024-01-19T15:27:18",
"content": "And last but not least, JFrog has discovered a pair of X.Org vulnerabilities that have been around for 35 years.One of these days a security researcher will discover a vulnerability older than they are….if... | 1,760,372,035.546836 | ||
https://hackaday.com/2024/01/19/haier-threatens-legal-action-against-home-assistant-plugin-developer/ | Haier Threatens Legal Action Against Home Assistant Plugin Developer | Maya Posch | [
"News",
"Reverse Engineering"
] | [
"Haier",
"home automation",
"IoT",
"legal",
"smart home"
] | Appliance manufacturer Haier has been integrating IoT features into their newer products, and as is so common these days, users are expected to install their “hOn” mobile application to access them. Not satisfied with that limitation, [Andre Basche] reverse engineered the protocol used by the app, and released a Python... | 109 | 31 | [
{
"comment_id": "6720863",
"author": "ono",
"timestamp": "2024-01-19T12:10:21",
"content": "Boycott Haier products and flood customer service with unsatisfied messages is one way to exert pressure on those jerks.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,372,037.870801 | ||
https://hackaday.com/2024/01/19/cute-brass-lunar-lander-is-a-neat-little-environment-monitor/ | Cute Brass Lunar Lander Is A Neat Little Environment Monitor | Lewin Day | [
"Art",
"Microcontrollers"
] | [
"Circuit Sculpture",
"environmental monitor",
"nRF52840"
] | Sometimes form can make a project more attractive than its simple function. [Mohit Bhoite]’s free-form builds are great examples of this. His latest effort is a gorgeous little device that displays environmental readings,
and it’s shaped like a lunar lander
. (
Nitter
) Just exquisite!
The device is based around a Seee... | 8 | 4 | [
{
"comment_id": "6720891",
"author": "Rembrand van Circuit",
"timestamp": "2024-01-19T13:20:04",
"content": "This is art!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6720927",
"author": "Dan",
"timestamp": "2024-01-19T14:28:21",
"c... | 1,760,372,037.427319 | ||
https://hackaday.com/2024/01/18/dont-panic-a-cooperative-bomb-defusing-game/ | Don’t Panic: A Cooperative Bomb Defusing Game | Kristina Panos | [
"Arduino Hacks",
"Games"
] | [
"arduino",
"bomb defusal",
"game",
"keep talking and nobody explodes",
"mesh network"
] | [Heath Paddock] wanted to confound his friends with a game that mimics an escape room in a box. About six months after starting, he had this glorious thing completed.
It’s a hardware version of a game called Keep Talking and Nobody Explodes
where players have five minutes to defuse a suitcase bomb. This implementation ... | 5 | 3 | [
{
"comment_id": "6720831",
"author": "Gösta",
"timestamp": "2024-01-19T08:39:26",
"content": "Super nice, looks like great fun both building and playing :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6720856",
"author": "Stefan",
"timestamp": "2024... | 1,760,372,037.488083 | ||
https://hackaday.com/2024/01/18/how-to-spend-a-million-dollars-on-the-ultimate-stereo/ | How To Spend A Million Dollars On The Ultimate Stereo | Lewin Day | [
"home hacks"
] | [
"\"audiophiles\"",
"HiFi",
"stereo"
] | We’ve all seen the excesses that the Golden Ears set revel in; the five-figure power conditioning boxes, the gold-plated HDMI cables. As covered by the
Washington Post
, however, [Ken Fritz] may have gone farther than most. Before he passed away, he estimated that he spent a million dollars on the greatest possible hi-... | 74 | 24 | [
{
"comment_id": "6720781",
"author": "Joe",
"timestamp": "2024-01-19T04:10:23",
"content": "He got suckered for every audio gimmick on the planet. Poor guy. Each to his own",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6720989",
"author": "Will",
... | 1,760,372,038.044709 | ||
https://hackaday.com/2024/01/18/turning-a-1150-scale-model-car-into-a-real-driving-car-with-lights/ | Turning A 1:150 Scale Model Car Into A Real Driving Car With Lights | Maya Posch | [
"how-to"
] | [
"remote control car",
"scale model"
] | Closing up the remotely controlled 1:150 scale model car. (credit: diorama111)
For many people having a miniature version of something like a car is already a miracle in itself, but there’s always the possibility to take matters a bit further, as YouTube channels like [diorama111] demonstrate. In this particular case, ... | 21 | 15 | [
{
"comment_id": "6720744",
"author": "Jarion",
"timestamp": "2024-01-19T00:48:02",
"content": "Very well done indeed. Of course, if it was here in the US, you would have to leave your blinker on the whole time and swerve into the other lane while checking FB on your phone. Actually driving on the ... | 1,760,372,037.715661 | ||
https://hackaday.com/2024/01/18/lessons-learned-from-a-high-voltage-power-supply/ | Lessons Learned From A High-Voltage Power Supply | Dan Maloney | [
"High Voltage"
] | [
"arcing",
"breakdown",
"corona",
"flyback",
"hv",
"PLA",
"pneumatic",
"ZVS"
] | When you set out to build a 60,000-volt power supply and find out that it “only” delivers a measly 50,000 volts, you naturally have to dive in and see where things can be improved. And boy, did [Advanced Tinkering]
find some things to improve
.
First things first: if you haven’t seen [Advanced]’s
first pass at a high-v... | 8 | 5 | [
{
"comment_id": "6720709",
"author": "Bzzz...",
"timestamp": "2024-01-18T21:41:09",
"content": "Aww i expected mehdi from electroboom. Like lessons never learned :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6720770",
"author": "Tanner Bass",
"tim... | 1,760,372,037.377344 | ||
https://hackaday.com/2024/01/18/crippled-peregrine-lander-to-make-fiery-return-home/ | CrippledPeregrineLander To Make Fiery Return Home | Tom Nardi | [
"News",
"Space"
] | [
"Artemis",
"commercial space",
"moon"
] | Within a few hours of this post going live, Astrobotic’s
Peregrine
spacecraft is expected to burn up in the Earth’s atmosphere — a disappointing end to a mission that was supposed to put the first US lander on the Moon since the Apollo program ended in 1972.
In their twentieth mission update
since
Peregrine
was carried... | 9 | 5 | [
{
"comment_id": "6720686",
"author": "Pat",
"timestamp": "2024-01-18T19:57:54",
"content": "“we have no doubt that the company collected valuable data during the craft’s flight through space”It’s not just the company. Powering up the payloads and letting them communicate is super-valuable too: they’... | 1,760,372,037.653023 | ||
https://hackaday.com/2024/01/18/tech-in-plain-sight-windshield-frit/ | Tech In Plain Sight: Windshield Frit | Al Williams | [
"Hackaday Columns",
"Slider",
"Transportation Hacks"
] | [
"automotive",
"fade",
"frit",
"seal",
"windshield"
] | You probably see a frit every day and don’t even notice it. What is it? You know the black band around your car’s windshield? That’s a frit (which, by the way, can also mean ingredients used in making glass) or, sometimes, a frit band. What’s more, it probably fades out using a series of dots like a halftone image, rig... | 30 | 12 | [
{
"comment_id": "6720667",
"author": "pink bike",
"timestamp": "2024-01-18T18:27:46",
"content": "Checked wikipedia in german and english, but in both frit means sintered glas, and the dust (before sintering), the sintered coat and the powdered (crushed after sintering for use in other areas) are al... | 1,760,372,037.560066 | ||
https://hackaday.com/2024/01/18/deep-dive-into-3d-printing-nozzles/ | Deep Dive Into 3D Printing Nozzles | Al Williams | [
"3d Printer hacks"
] | [
"3d printing nozzle",
"focus stacking",
"Nozzle"
] | [Lost in Tech] set out to examine a variety of 3D printing nozzles. Before he got there, though, he found some issues. In particular, he found that his current crop of printers don’t take the standard E3D or MK8 nozzles. So, instead, he decided to
examine various nozzles under the microscope
.
Unsurprisingly, each nozz... | 14 | 7 | [
{
"comment_id": "6720640",
"author": "Jo",
"timestamp": "2024-01-18T16:37:42",
"content": "So if he laser sintered a noozle he can increase the thermal surface area and could print a impossible shape (like for what laser manufacturing is made for).",
"parent_id": null,
"depth": 1,
"repli... | 1,760,372,037.604344 | ||
https://hackaday.com/2024/01/18/predicting-the-a-bomb-the-cartmill-affair/ | Predicting The A-Bomb: The Cartmill Affair | Al Williams | [
"Featured",
"History",
"Misc Hacks",
"Original Art",
"Slider"
] | [
"atomic bomb",
"nuclear bomb",
"science fiction"
] | The cover of the infamous issue of Astounding, March 1944
There’s an upcoming movie,
Argylle,
about an author whose spy novels are a little too accurate, and she becomes a target of a real-life spy game. We haven’t seen the movie, but it made us think of a similar espionage caper from 1944 involving science fiction aut... | 18 | 10 | [
{
"comment_id": "6720621",
"author": "SayWhat?",
"timestamp": "2024-01-18T15:44:55",
"content": "Very interesting! Good science fiction is science fact extended to science possibly with an artfull application of scientific imagination.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,037.931524 | ||
https://hackaday.com/2024/01/18/a-dim-bulb-tester-is-for-testing-other-equipment-not-bulbs/ | A Dim Bulb Tester Is For Testing Other Equipment, Not Bulbs | Lewin Day | [
"classic hacks",
"Tool Hacks"
] | [
"bulb",
"filament bulb",
"tester"
] | If you’re testing old stereo equipment, a dim bulb tester can really come in handy. It’s not for testing bulbs, though, it’s a tester that
uses a dim bulb
to test other things. [Nicholas Morganti] explains it all in his guide to
making your own example of such a tool
. Just be wary — you need to know what you’re doing ... | 26 | 7 | [
{
"comment_id": "6720572",
"author": "Gary",
"timestamp": "2024-01-18T12:42:25",
"content": "According to the NEC white is neutral and the black wire is hot.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6720578",
"author": "Jj",
"timestam... | 1,760,372,038.104926 | ||
https://hackaday.com/2024/01/18/a-rigol-scope-goes-wireless/ | Android-Powered Rigol Scopes Go Wireless | Al Williams | [
"Android Hacks",
"Tool Hacks"
] | [
"android",
"rigol",
"wifi"
] | The Rigol DHO800 and DHO900 series use Android underneath, and as you might expect, this makes them easier to hack. A case in point: [VoltLog] demonstrates that you
can add WiFi to the scope
using a cheap USB WiFi adapter. This might seem like a no-brainer on the surface, but because the software doesn’t know about WiF... | 9 | 4 | [
{
"comment_id": "6720566",
"author": "bru3s",
"timestamp": "2024-01-18T12:06:48",
"content": "Nifty little hack, albeit I’m not sure what this could be used for, at least without making other modifications to the onboard installation.Also could anyone explain why would the manufacturer use Android o... | 1,760,372,038.363486 | ||
https://hackaday.com/2024/01/17/neon-watch-glows-rather-nicely-tells-time/ | Neon Watch Glows Rather Nicely, Tells Time | Lewin Day | [
"clock hacks"
] | [
"clock",
"neon",
"neon lamp",
"watch"
] | It wasn’t long after the development of the LED that LED watches became available. They were prized for their clear light output and low power draw. Neon bulbs, on the other hand, are thirsty for current and often warm or even hot in operation. And yet, [Lucas] found a way to build them into
a sweet watch that actually... | 12 | 7 | [
{
"comment_id": "6720585",
"author": "Paul",
"timestamp": "2024-01-18T13:36:57",
"content": "“Neon bulbs, on the other hand, are thirsty for current …”What? A LED typically might require 10 mA. A neon bulb is happy on 1 mA.Now, you get a lot more light out of that LED’s 30 mW vs the neon’s 60 mW,... | 1,760,372,038.409632 | ||
https://hackaday.com/2024/01/17/modeling-network-latency/ | Modeling Network Latency | Bryan Cockfield | [
"Network Hacks"
] | [
"docker",
"latency",
"network",
"proxy",
"self-hosted",
"speedbump",
"TCP",
"variable latency",
"waveform"
] | The selfhosting community is an interesting and useful part of the Internet dedicated to removing one’s own services and data from the cloud and hosting it on their own servers, often on hardware that can be physically touched. With that kind of network usage, it’s not uncommon for people to build their own routers, fi... | 6 | 4 | [
{
"comment_id": "6720524",
"author": "cbjamo",
"timestamp": "2024-01-18T04:43:04",
"content": "The pingms tool’s website and repo have both been scrubbed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6720542",
"author": "the one and only mortimer",... | 1,760,372,038.448592 | ||
https://hackaday.com/2024/01/17/floss-weekly-episode-766-webrtc-the-hack-that-connects-everyone-to-everything/ | FLOSS Weekly Episode 766: WebRTC — The Hack That Connects Everyone To Everything | Jonathan Bennett | [
"Podcasts"
] | [
"FLOSS Weekly",
"open source",
"WebRTC"
] | This week Jonathan Bennett and
Dan Lynch
talk with
Sean DuBois
, WebRTC wizard, all about the crazy feats the Pion Go server is capable of, how WebRTC is about to change OBS, and what it looks like to build a successful Open Source Career.
WebRTC is for more than video. The
TOR Snowflake project
uses
Pion
to sneak TOR ... | 7 | 5 | [
{
"comment_id": "6720484",
"author": "Ethan Waldo",
"timestamp": "2024-01-18T00:26:35",
"content": "Really wish we’d see some movement onhttps://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1489so we can finally have useable av1 encoding :(",
"parent_id": null,
"depth": 1,
"replie... | 1,760,372,038.171513 | ||
https://hackaday.com/2024/01/17/blastoise-humidifier-shows-us-you-dont-need-a-3d-printer-if-youre-this-good-with-a-3d-pen/ | Blastoise Humidifier Shows Us You Don’t Need A 3D Printer If You’re This Good With A 3D Pen | Lewin Day | [
"3d Printer hacks"
] | [
"3D pen",
"3d printer pen",
"3D printing pen",
"blastoise",
"pokemon"
] | [3D SANAGO] is a bit of a master when it comes to using a 3D-printing pen. Their latest work involved
fixing a broken humidifier and giving it a Pokemon-themed makeover
. It’s an education in just what can be achieved with a tool many of us write off as a simple novelty.
The basic idea of the build was to create a Blas... | 14 | 8 | [
{
"comment_id": "6720447",
"author": "TG",
"timestamp": "2024-01-17T21:21:45",
"content": "Having this level of craftsmanship makes the medium kind of a strange choice. Just to prove he can?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6720532",
"a... | 1,760,372,038.316666 | ||
https://hackaday.com/2024/01/16/need-a-refresher-on-rms/ | Need A Refresher On RMS? | Al Williams | [
"Misc Hacks"
] | [
"AC Voltage",
"rms"
] | If you mostly deal with DC current, you might not think much of root mean square or RMS measurements. Sure, you’ve seen meters that have “true RMS” settings, but what does it mean? If you don’t know — or you want a refresher — watch [Prof MAD’s]
recent video explaining the topic
.
There are two things to remember when ... | 21 | 6 | [
{
"comment_id": "6720162",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-01-17T03:58:47",
"content": "I was taught that RMS is the voltage / current which will heat a resistor to the same amount as a DC voltage.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,038.657782 | ||
https://hackaday.com/2024/01/16/reverse-engineering-a-russian-tornado-s-guidance-circuit-board/ | Reverse-Engineering A Russian Tornado-S Guidance Circuit Board | Maya Posch | [
"Reverse Engineering"
] | [
"military electronics",
"missile",
"russia"
] | With Russian military hardware quite literally raining down onto the ground in Ukraine, it’s little wonder that a sizeable part of PCBs and more from these end up being sold on EBay. This was thus where [msylvain] got a guidance board from a 300 mm Tornado-S 9M542 GLONASS-guided projectile from, for some
exploration an... | 21 | 10 | [
{
"comment_id": "6720112",
"author": "paulvdh",
"timestamp": "2024-01-17T01:39:19",
"content": "Be careful with those boards.Or else the chinese will buy them, recycle the chips and sell them back to Russia.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "672... | 1,760,372,038.779417 | ||
https://hackaday.com/2024/01/16/kinetic-clock-is-a-clean-modern-way-to-tell-time/ | Kinetic Clock Is A Clean Modern Way To Tell Time | Lewin Day | [
"clock hacks"
] | [
"3d printed",
"clock",
"time"
] | Hackers and makers aren’t usually too interested in basic round analog clocks. They tend to prefer building altogether more arcane and complicated contraptions to display numbers for the telling of time. [alstroemeria] did just that
with this nifty kinetic clock build.
The basic concept of the kinetic clock is to have ... | 11 | 5 | [
{
"comment_id": "6719963",
"author": "Pete",
"timestamp": "2024-01-16T21:15:33",
"content": "Very interesting! Would be cool to make this out of metal using EDM to carve the sliding parts…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6719973",
"au... | 1,760,372,038.601423 | ||
https://hackaday.com/2024/01/16/50-10gbps-mesh-network-uses-usb4/ | $50 10Gbps Mesh Network Uses USB4 | Al Williams | [
"Network Hacks"
] | [
"10GBASE-T",
"10gbps",
"Thunderbolt",
"usb4"
] | You want to build a cluster of computers, but you need a high-speed network fabric that can connect anything to anything. Big bucks, right? [Fang-Pen]
developed a 10 Gbps full-mesh network using USB4
that cost him under $50. The first part of the post is about selecting a low-power mini PC, but if you skip down to the ... | 30 | 12 | [
{
"comment_id": "6719901",
"author": "ChristheITguy",
"timestamp": "2024-01-16T19:55:57",
"content": "The 40Gbit rating is raw throughput and doesn’t include the overhead for error correction and alt mode channels. Realistically, you’ll see ~25Gbit maximum usable bandwidth. Maybe that mini has its t... | 1,760,372,038.722126 | ||
https://hackaday.com/2024/01/16/ask-hackaday-why-are-self-checkouts-failing/ | Ask Hackaday: Why Are Self-Checkouts Failing? | Al Williams | [
"Current Events",
"Featured",
"Interest",
"Slider"
] | [
"Ask Hackaday",
"self-checkout",
"technology"
] | Most people who read Hackaday have positive feelings about automation. (Notice we said
most.
) How many times have you been behind someone in a grocery store line waiting for them to find a coupon, or a cashier who can’t make change without reading the screen and thought: “There has to be a better way.” The last few ye... | 260 | 50 | [
{
"comment_id": "6719820",
"author": "DJ",
"timestamp": "2024-01-16T18:08:29",
"content": "Probably doesn’t help that they originally started using these for express checkouts, but then figured, “Hey why not just replace all of our workers?”. When it was just for express checkouts, it was great.",
... | 1,760,372,039.217304 | ||
https://hackaday.com/2024/01/16/a-practical-open-source-air-purifier/ | A Practical Open Source Air Purifier | Jenny List | [
"green hacks"
] | [
"air filter",
"air purifier",
"filter"
] | In the years since the start of the coronavirus pandemic, it’s fair to say we’ve all become a lot more aware of the air quality surrounding us. Many of us have added a CO
2
monitor to our collection of tools, and quite a few will have an air filtration system too. There are plenty of devices on the market that fulfill ... | 44 | 15 | [
{
"comment_id": "6719798",
"author": "Misterlaneous",
"timestamp": "2024-01-16T17:36:29",
"content": "This seems to be reinventing the wheel. Adding a couple brackets (or a bungie cord) to the intake side of a 20″ box fan gives better air flow and is cheaper.",
"parent_id": null,
"depth": 1,... | 1,760,372,038.859113 | ||
https://hackaday.com/2024/01/16/keebin-with-kristina-the-one-with-the-really-snazzy-folding-keyboard/ | Keebin’ With Kristina: The One With The Really Snazzy Folding Keyboard | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"bar-lock typewriter",
"EVH 5150",
"folding keyboard",
"Killer Whale",
"Mintlodica keycaps",
"Raspberry Pi Zero",
"typewriter collection"
] | Sometimes you just have to throw your hat in the ring, and throw it hard.
Here is [mkdxdx]’s rockin’ EVH 5150-esque take on the keyboard business.
The Mriya foldable keyboard aims to be and sport a number of things, and it does all of them in great style. I could totally see my fingers flying over this thing somewhere ... | 4 | 4 | [
{
"comment_id": "6720091",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-01-17T00:46:26",
"content": "Like the Commenters on reddit said,The Killer Whale needs more photos.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6720387",
"aut... | 1,760,372,038.915966 | ||
https://hackaday.com/2024/01/17/arduino-virtually/ | Arduino, Virtually | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"simulation"
] | While simulating an Arduino isn’t a new idea, a recent project by [LRusso] provides an
open source JavaScript simulator that runs in your browser
. You can try it out live or host it yourself if you prefer.
The simulator looks much like the standard IDE, so there isn’t much to learn. You can select from several targets... | 3 | 3 | [
{
"comment_id": "6720570",
"author": "Georgi Angelov",
"timestamp": "2024-01-18T12:31:07",
"content": "https://www.youtube.com/watch?v=SKojOHDvfC0",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6720611",
"author": "zoobab",
"timestamp": "2024-01-18T14:... | 1,760,372,039.301826 | ||
https://hackaday.com/2024/01/17/linux-fu-wheres-that-darn-file/ | Linux Fu: Where’s That Darn File? | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Slider"
] | [
"file search",
"indexing",
"linux"
] | Disk storage has exploded in the last 40 years. These days, even a terabyte drive is considered small. There is one downside, though. The more stuff you have, the harder it is to find it. Linux provides numerous tools to find files when you can’t remember their name. Each has plusses and minuses, and choosing between t... | 20 | 14 | [
{
"comment_id": "6720398",
"author": "PWalsh",
"timestamp": "2024-01-17T18:25:52",
"content": "I’ve got a few aliases in my .bashrc to do that.ff is “find file”, a recursive search for any file name containing the text. It would manage a regex, but in practice I never use those. Just type the extens... | 1,760,372,039.455419 | ||
https://hackaday.com/2024/01/17/fan-with-automatic-door-is-perfect-for-camper-vans/ | Fan With Automatic Door Is Perfect For Camper Vans | Lewin Day | [
"home hacks"
] | [
"camper",
"camping",
"fan",
"vent fan",
"ventilation",
"ventilation fan"
] | Ventilation fans are useful for clearing stuffy or stale air out of a space. However, they also tend to act as a gaping hole into said space. In the case of caravans and RVs, an open ventilation fan can be terrible for keeping the interior space warm, quiet, and free from dust. “Blast doors” or fan blocks are a common... | 5 | 2 | [
{
"comment_id": "6720511",
"author": "Mr Name Required",
"timestamp": "2024-01-18T02:58:54",
"content": "All that work and words and no picture of the final installation?I don’t get whether this fan is to go on the van itself or in the (supposed garage?) the van is parked in.",
"parent_id": null... | 1,760,372,039.257848 | ||
https://hackaday.com/2024/01/17/sun-on-the-run-diving-into-solar-with-a-mobile-pv-system/ | Sun On The Run: Diving Into Solar With A Mobile PV System | Dan Maloney | [
"Interest",
"Original Art",
"Solar Hacks"
] | [
"charge controller",
"combiner",
"inverter",
"lithium",
"MC-4",
"mobile",
"mppt",
"off grid",
"photovoltaic",
"pv",
"solar",
"trailer"
] | For obvious reasons, there has been a lot of interest in small-scale residential solar power systems lately. Even in my neck of the woods, where the sun doesn’t shine much from October to April, solar arrays are sprouting up on rooftops in a lot of local neighborhoods. And it’s not just here in suburbia; drive a little... | 36 | 15 | [
{
"comment_id": "6720344",
"author": "Will B.",
"timestamp": "2024-01-17T15:25:19",
"content": "Looks sorta like what the Everlanders did:https://www.youtube.com/watch?v=lcck1ejlXt8",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6720354",
"author": "... | 1,760,372,039.542571 | ||
https://hackaday.com/2024/01/17/compute-the-mandelbrot-set-with-a-custom-risc-v-cpu/ | Compute The Mandelbrot Set With A Custom RISC-V CPU | Julian Scheffers | [
"FPGA"
] | [
"fpga",
"mandelbrot set",
"RISC-V"
] | When faced with an FPGA, some people might use it to visualize the Mandelbrot set. Others might use it to make CPUs. But what happens if you combine the two? [Michael Kohn] shows us what happens with his
RISC-V CPU
with an instruction specially made for computing the Mandelbrot set.
[Michael] takes us through the unusu... | 9 | 3 | [
{
"comment_id": "6720290",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-01-17T12:51:11",
"content": "Now the theme song from “The A Team” is running through my head.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6720322",
"aut... | 1,760,372,039.585091 | ||
https://hackaday.com/2024/01/17/printed-centrifugal-dust-separator-stays-on-budget/ | Printed Centrifugal Dust Separator Stays On Budget | Maya Posch | [
"how-to"
] | [
"centrifugal",
"dust collection",
"dust separator",
"woodworking"
] | Anyone who’s ever spent time in a woodworking shop knows how much dust is produced when cutting, sanding, and so on. [Tim] of
Pilson Guitars
was looking to outfit his shop with centrifugal dust separators to combat the problem, which are supposed to remove over 99% of the sawdust particles right out of the air. Unfortu... | 24 | 12 | [
{
"comment_id": "6720259",
"author": "Arjan Wiegel",
"timestamp": "2024-01-17T10:51:36",
"content": "I have a vacuum connected to a large bucket with the inlet on the side of the lid and an elbow in the bucket to make the air go swirl. It costs next to nothing and works like a charm with big nails a... | 1,760,372,039.644885 | ||
https://hackaday.com/2024/01/16/check-out-this-pdp-11-running-unix-with-a-teletype-terminal/ | Check Out This PDP-11 Running Unix With A Teletype Terminal | Lewin Day | [
"Retrocomputing"
] | [
"BSD",
"pdp-11",
"teletype",
"unix"
] | If you’ve spent a few years around Hackaday, you’ve probably seen or heard of the DEC PDP-11 before. It was one of the great machines of the minicomputer era, back when machines like the Apple ][ and the Commodore 64 weren’t even a gleam in their creator’s eyes. You’ve also probably heard of Unix, given that so many of... | 19 | 14 | [
{
"comment_id": "6720221",
"author": "Michael Karliner",
"timestamp": "2024-01-17T08:22:16",
"content": "My first job was an asr33, an intel 8080 and a paper tape reader. Them were the days.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6720280",
"author"... | 1,760,372,039.696367 | ||
https://hackaday.com/2024/01/16/betavoltaic-battery-rated-to-provide-power-for-50-years/ | Betavoltaic Battery Rated To Provide Power For 50 Years | Maya Posch | [
"Battery Hacks",
"News"
] | [
"batteries",
"Betavoltaic"
] | A newly introduced battery called the BV100 by Chinese Betavolt Technology
promises to provide
half a century of power, at 100 μW in a 15x15x5 mm package. Inside the package are multiple, 2 micron-thick layers nickel-63 isotope placed between 10 micron-thick diamond semiconductor, with each diamond layer using the prin... | 47 | 13 | [
{
"comment_id": "6719683",
"author": "C",
"timestamp": "2024-01-16T12:36:59",
"content": "I wouldn’t power a pacemaker with a radioactive battery.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6719684",
"author": "Ryan Dewsbury",
"timestamp"... | 1,760,372,039.800214 | ||
https://hackaday.com/2024/01/16/countdown-to-a-spaceship-simulator/ | Countdown To A Spaceship Simulator | Richard Baguley | [
"Toy Hacks"
] | [
"science toys",
"space",
"suimulator"
] | [Jon Petter Skagmo] claims that the
spaceship simulator he’s working on
is for his daughter, but we think there’s an excellent chance he’s looking to fulfill a few childhood dreams of his own. But no matter what generation ends up getting the most enjoyment out of it, there’s no question it’s an impressive build so far... | 4 | 3 | [
{
"comment_id": "6719608",
"author": "BT",
"timestamp": "2024-01-16T09:32:37",
"content": "Oh the things we have to do for our children!Very impressive build, other equally impressive builds at the same web site.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,372,039.843208 | ||
https://hackaday.com/2024/01/15/breaking-the-flash-encryption-feature-of-espressifs-microcontrollers/ | Breaking The Flash Encryption Feature Of Espressif’s Microcontrollers | Maya Posch | [
"Microcontrollers",
"Security Hacks"
] | [
"ESP32",
"espressif",
"side-channel attacks",
"sidechannel"
] | Espressif’s ESP32 microcontrollers come with a Flash encryption feature that when enabled ensures that the data and code stored on the (usually external) Flash chip is encrypted with AES-256 (ESP32) or better (ESP32-C3, -C6). For the ESP32 this encryption feature has been shown to be vulnerable to side channel attacks ... | 16 | 4 | [
{
"comment_id": "6719606",
"author": "Seth",
"timestamp": "2024-01-16T09:27:55",
"content": "My ESP32 implementations have assumed the client iot device could be compromised. The ESP32 collects inputs and sends them to the cloud where logic is applied and combined with other datasets. The ESP32 may... | 1,760,372,039.89953 | ||
https://hackaday.com/2024/01/15/ai-binoculars-know-more-about-birds-than-you/ | AI Binoculars Know More About Birds Than You | Richard Baguley | [
"Artificial Intelligence"
] | [
"ai",
"binoculars",
"birds"
] | 2024 is the year of adding Artificial Intelligence to everything. Now, even a pleasant walk in the woods is getting a dose of AI: optics manufacturer Swarovski has announced the
AX Visio
, a binocular set with an AI bird identification feature. Not sure if that is a
lesser
or
greater scaup
on your pond? These binocular... | 20 | 7 | [
{
"comment_id": "6719519",
"author": "lol",
"timestamp": "2024-01-16T03:41:56",
"content": "Roasted.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6719577",
"author": "Dude",
"timestamp": "2024-01-16T07:59:44",
"content": "HaD is try... | 1,760,372,039.950495 | ||
https://hackaday.com/2024/01/15/pdp-11-trouble-with-a-ruthless-power-supply-issue/ | PDP-11 Trouble With A Ruthless Power Supply Issue | Maya Posch | [
"Retrocomputing",
"Reverse Engineering"
] | [
"pdp-11",
"pdp-11/03"
] | After [David Lovett] of [Usagi Electric] was donated a few cars full of DEC PDP-11 minicomputers of various flavors and vintages, he passed on most of them to loving homes, but kept a few of them himself. One goal of this being
to put together a PDP-11 system
that could be more easily taken to vintage computer shows th... | 9 | 7 | [
{
"comment_id": "6719479",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-01-16T01:07:09",
"content": "I think “Eye of the Rabbit” is more in line with Usagi.B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6719489",
"author": "SayWh... | 1,760,372,040.213732 | ||
https://hackaday.com/2024/01/15/feeding-the-fire-by-robot/ | Feeding The Fire By Robot | Bryan Cockfield | [
"home hacks"
] | [
"Boiler",
"carbon",
"fire",
"heating",
"robot",
"robotic arm",
"wood"
] | It might seem a little bit counterintuitive, but one of the more carbon-neutral ways of heating one’s home is by burning wood. Since the carbon for the trees came out of the air a geologically insignificant amount of time ago, it’s in effect solar energy with extra steps. And with modern stoves and well-seasoned wood, ... | 24 | 12 | [
{
"comment_id": "6719411",
"author": "AZdave",
"timestamp": "2024-01-15T21:58:41",
"content": "Pellet stoves don’t really have an “extra step” when you consider that wood for a boiler or fireplace needs to be gathered (or bought) and split. Somebody is doing that. I can understand somebody trying... | 1,760,372,040.427948 | ||
https://hackaday.com/2024/01/15/reverse-engineering-the-esp32s-wifi-binary-blob-with-a-faraday-cage/ | Reverse-Engineering The ESP32’s WiFi Binary Blob With A Faraday Cage | Maya Posch | [
"Reverse Engineering",
"Wireless Hacks"
] | [
"binary blob",
"ESP32",
"wi-fi"
] | The Faraday cage constructed by Jasper Devreker.
As part of a team reverse-engineering the binary blob driver for the ESP32’s WiFi feature at Ghent University, [Jasper Devreker] saw himself faced with the need to better isolate the network packets coming from the ESP32-under-test. This is a tough call in today’s WiFi a... | 37 | 15 | [
{
"comment_id": "6719360",
"author": "fjjablonski@gmail.com",
"timestamp": "2024-01-15T19:40:16",
"content": "A grounded disabled microwave oven would not be enough?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6719432",
"author": "ON7WPI",
... | 1,760,372,040.365405 | ||
https://hackaday.com/2024/01/15/usb-c-pd-new-technology-done-right/ | USB-C PD: New Technology Done Right | Jenny List | [
"Hackaday Columns",
"Rants"
] | [
"manifesto",
"new technology",
"USB C",
"USB-PD"
] | There is a tendency as we get older, to retreat into an instinctive suspicion of anything new or associated with young people. All of us will know older people who have fallen down this rabbit hole, and certainly anything to do with technological advancement is often high on their list of ills which beset society. Ther... | 42 | 18 | [
{
"comment_id": "6719337",
"author": "herrmannc1899gmailcom",
"timestamp": "2024-01-15T18:46:21",
"content": "Someone finally said it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6719338",
"author": "Tanner Bass",
"timestamp": "2024-01-15T18:47:26",... | 1,760,372,040.289169 | ||
https://hackaday.com/2024/01/15/neutrino-hunters-hack-chat/ | Neutrino Hunters Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, January 17 at noon Pacific for the
Neutrino Hunters Hack Chat
with Patrick Allison!
It’s a paradox of science that the biggest of equipment is needed to study the smallest of phenomena. The bestiary of subatomic particles often requires the power and dimension of massive accelerators to produce, a... | 1 | 1 | [
{
"comment_id": "6720508",
"author": "Logan Flynn",
"timestamp": "2024-01-18T02:40:05",
"content": "Interesting",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,040.170272 | ||
https://hackaday.com/2024/01/15/haiku-os-the-open-source-beos-you-can-daily-drive-in-2024/ | Haiku OS: The Open Source BeOS You Can Daily Drive In 2024 | Maya Posch | [
"Reviews",
"Software Hacks"
] | [
"BeOS",
"haiku",
"operating system"
] | Haiku is one of those open source operating systems that seem to be both exceedingly well-known while flying completely under the radar. Part of this is probably due to it being an open source version and continuation of the Be Operating System (BeOS). Despite its strong feature set in the 1990s, BeOS never got much lo... | 25 | 14 | [
{
"comment_id": "6719319",
"author": "Martin Hill",
"timestamp": "2024-01-15T17:45:02",
"content": "Alrighty next time I have a spare commodity box to save from recycling I’ll give it a try!I tried to DD BeOS back around 1999. It was neat but I never had a machine where all the hardware was well-sup... | 1,760,372,040.566402 | ||
https://hackaday.com/2024/01/15/solar-chimneys-viable-energy-solution-or-a-lot-of-hot-air/ | Solar Chimneys: Viable Energy Solution Or A Lot Of Hot Air? | Lewin Day | [
"Featured",
"green hacks",
"Original Art",
"Science",
"Slider"
] | [
"clean energy",
"energy",
"power generation",
"solar",
"solar power",
"solar updraft tower",
"solar updraft towers"
] | We think of the power we generate as coming from all these different kinds of sources. Oil, gas, coal, nuclear, wind… so varied! And yet they all fundamentally come down to moving a gas through a turbine to actually spin up a generator and make some juice. Even some solar plants worked this way, using the sun’s energy ... | 90 | 26 | [
{
"comment_id": "6719285",
"author": "sweethack",
"timestamp": "2024-01-15T15:42:39",
"content": "> Large facilities make enough power to offset the huge construction costs, and ongoing maintenance is cheap, as it really just involves keeping the turbines and generator up and running. There are no d... | 1,760,372,040.866933 | ||
https://hackaday.com/2024/01/15/vroomba-gets-upgrades-and-a-spoiler/ | Vroomba Gets Upgrades And A Spoiler | Bryan Cockfield | [
"Robots Hacks"
] | [
"body kit",
"carbon fiber",
"irobot",
"nylon",
"robot",
"roomba",
"Spoiler",
"vacuum",
"vroomba"
] | [Electrosync] is the creator and driver of the world’s fastest robotic vaccum cleaner, the Vroomba. It’s a heavily modified roomba capable of speeds of around 60 kph, well beyond the pedaling speed of most bicyclists. Despite being rejected by Guinness for a world record, we’re fairly confident that no other vacuum cle... | 11 | 8 | [
{
"comment_id": "6719233",
"author": "Hanna",
"timestamp": "2024-01-15T12:40:53",
"content": "My rc pan is more rigid. The aluminum plate is perfect to drill holes in it, screw everthing in position.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6719237",
... | 1,760,372,040.609818 | ||
https://hackaday.com/2024/01/15/remembering-isdn/ | Remembering ISDN | Al Williams | [
"Network Hacks",
"Phone Hacks"
] | [
"ISDN",
"T1"
] | We are definitely spoiled these days in terms of Internet access. In much of the world gigabit speeds are common and even cheap plans are likely to be measured in 100s of megabits. But there was a time not long ago when a fast modem received at 56 kilobits per second. If you couldn’t justify a dedicated T1 line and you... | 89 | 35 | [
{
"comment_id": "6719186",
"author": "CJay",
"timestamp": "2024-01-15T09:24:27",
"content": "Interested to know what ‘cheap plans’ cost around the world, I’ve just had gigabit FTTH installed and it’s costing me £27 PCM.ISDN in the UK was pretty good but so damned expensive, I had a client who insist... | 1,760,372,040.73977 | ||
https://hackaday.com/2024/01/14/simulating-a-time-keeping-radio-signal/ | Simulating A Time-Keeping Radio Signal | Bryan Cockfield | [
"Radio Hacks"
] | [
"atomic clock",
"clock",
"radio",
"simulator",
"stm32",
"time",
"very low frequency",
"vlf",
"wwvb"
] | As far as timekeeping goes, there’s nothing more accurate and precise than an atomic clock. Unfortunately, we can’t all have blocks of cesium in our basements, so various agencies around the world have maintained radio stations which, combined with an on-site atomic clock, send out timekeeping signals over the air. In ... | 14 | 8 | [
{
"comment_id": "6719169",
"author": "Dan",
"timestamp": "2024-01-15T07:41:52",
"content": "It can be very interesting to feed one of these clocks impossible time signals. For example, 12:74 or 43rd January. In some cases, it crashes them, in others, it enters a parallel reality of timekeeping.",
... | 1,760,372,040.914914 | ||
https://hackaday.com/2024/01/13/how-to-operate-a-500kw-transmitter/ | How To Operate A 500KW Transmitter | Al Williams | [
"Radio Hacks"
] | [
"am radio",
"Crosley",
"wlw"
] | Crosley was a famous name in radio for more than one reason. The National VOA Museum of Broadcasting has a video telling [Powel Crosley Jr.’s] story, and the story behind the
500 kW WLW transmitter
. WLW was an AM broadcast station often called the nation’s channel since its signal covered most of the United States. Th... | 31 | 9 | [
{
"comment_id": "6718899",
"author": "paulvdh",
"timestamp": "2024-01-14T10:40:38",
"content": "The one below is also watch worthy.It’s a 200kW mechanical transmitter from a museum ( built in 1924 or there abouts) that gets started up and operated.SAQ Grimeton Transmission on July 4th 11:00 CET (09... | 1,760,372,040.982293 | ||
https://hackaday.com/2024/01/13/reverse-engineering-smart-meters-now-with-more-fuming-nitric-acid/ | Reverse Engineering Smart Meters, Now With More Fuming Nitric Acid | Dan Maloney | [
"Reverse Engineering"
] | [
"Chemistry",
"decapping",
"destructive",
"FNA",
"fuming nitric acid",
"micropositioning",
"microscopy",
"reverse engineering",
"smart meter"
] | If you’re lucky, reverse engineering can be a messy business. Sure, there’s something to be said for attacking and characterizing an unknown system and leaving no trace of having been there, but there’s something viscerally satisfying about
destroying something to understand it
. Especially when homemade fuming nitric ... | 14 | 7 | [
{
"comment_id": "6718876",
"author": "echodelta",
"timestamp": "2024-01-14T06:02:52",
"content": "We have come a long way since you could pull the meter and just stick it back in upside down and it would go backwards. How easy.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,041.032351 | ||
https://hackaday.com/2024/01/13/simulate-running-a-small-hardware-business-with-hardware-hustle/ | Simulate Running A Small Hardware Business WithHardware Hustle | Donald Papp | [
"Games"
] | [
"games",
"javascript",
"print and play",
"roll and write",
"Tabletop"
] | [Oskitone]’s
Hardware Hustle
is a printable roll-and-write tabletop game that can be played on a single sheet of paper. It simulates attempting to run a small hardware business sustainably. Buy parts, make products, and sell them without burning yourself out!
If you’re not familiar with roll-and-write games, it’s a gen... | 7 | 5 | [
{
"comment_id": "6718860",
"author": "Ostracus",
"timestamp": "2024-01-14T03:29:38",
"content": "Create in Tabletop Simulator.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6718905",
"author": "NikTheNan",
"timestamp": "2024-01-14T11:12:45",... | 1,760,372,041.126177 | ||
https://hackaday.com/2024/01/13/tips-for-3d-printing-watertight-test-tubes/ | Tips For 3D Printing Watertight Test Tubes | Donald Papp | [
"3d Printer hacks"
] | [
"3d printed",
"spiral vase mode",
"test tube",
"vase mode",
"watertight"
] | [DaveMakesStuff] uses 3D printed test tubes for plants and similar purposes, and he’s shared
how to make them on a 3D printer
, complete with different models each optimized for different nozzle sizes.
The slots in the model are a means of manipulating how the slicer creates a toolpath when printing in spiral vase mode... | 12 | 5 | [
{
"comment_id": "6718866",
"author": "PEBKAC",
"timestamp": "2024-01-14T04:28:16",
"content": "This sounds like the kind of thing that should be done in a slicer, rather than in the model.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6719052",
"aut... | 1,760,372,041.086 | ||
https://hackaday.com/2024/01/13/skip-the-radio-with-this-software-defined-ultrasound-data-link/ | Skip The Radio With This Software-Defined Ultrasound Data Link | Dan Maloney | [
"Tech Hacks"
] | [
"baud",
"bitrate",
"link",
"physical layer",
"sdr",
"transducer",
"ultrasound"
] | We know what you’re thinking: with so many wireless modules available for just pennies, trying to create
a physical data link using ultrasonic transducers
like [Damian Bonicatto] did for a short-range, low-bitrate remote monitoring setup seems like a waste of time. And granted, there are a ton of simple RF protocols yo... | 21 | 11 | [
{
"comment_id": "6718785",
"author": "cplamb",
"timestamp": "2024-01-13T18:17:19",
"content": "This is within the hearing range of dogs. A really smart one could eavesdrop on the transmission.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6718787",
... | 1,760,372,041.267995 | ||
https://hackaday.com/2024/01/13/its-the-simple-things/ | It’s The Simple Things | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"led strip",
"newsletter",
"ws2812"
] | I love minimal hacks. Limitations are sometimes the spark for our greatest creativity, and seeing someone do something truly marvelous with the simplest of technological ingredients never fails to put a smile on my face.
This week, it was the super-simple
1D Fireworks
project by [Daniel Westhof]. Nothing more than an E... | 5 | 4 | [
{
"comment_id": "6718773",
"author": "Julianne",
"timestamp": "2024-01-13T17:37:22",
"content": "In my quest to replicate my favourite incandescent E27 “long john” lamp with something less wasteful, I used a length of pvc conduit and wrapped a colour-corrected-white strip around it. The fixutre itse... | 1,760,372,041.303964 |
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