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https://hackaday.com/2024/10/20/the-design-process-for-a-tiny-robot-brain/ | The Design Process For A Tiny Robot Brain | Bryan Cockfield | [
"Robots Hacks"
] | [
"bluetooth",
"dev board",
"development platform",
"ESP32",
"IMU",
"light sensor",
"motion sensor",
"robot",
"small",
"tiny",
"wifi",
"wireless"
] | As things get smaller, we can fit more processing power into devices like robots to allow them to do more things or interact with their environment in new ways. If not, we can at least build them for less cost. But the design process can get exponentially more complicated when miniaturizing things. [Carl] wanted to bui... | 13 | 6 | [
{
"comment_id": "8052418",
"author": "ono",
"timestamp": "2024-10-21T05:18:29",
"content": "9 axis nothing. It is just basic IMU that pretty much any microcontroller can handle and make something useful out of it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,371,756.831726 | ||
https://hackaday.com/2024/10/20/feeling-a-pong-of-nostalgia-does-it-hold-up-in-2024/ | Feeling A Pong Of Nostalgia: Does It Hold Up In 2024? | Maya Posch | [
"Games",
"Retrocomputing"
] | [
"nostalgia",
"pong"
] | We have probably all been there: that sudden memory of playing a (video) game and the good memories associated with said memory. Yet how advisable is it to try and re-experience those nostalgic moments? That’s what [Matt] of the
Techmoan
YouTube channel
decided to give a whirl
when he ordered the
Arcade1Up Pong 2 Playe... | 8 | 6 | [
{
"comment_id": "8052392",
"author": "KDawg",
"timestamp": "2024-10-21T02:43:21",
"content": "It’s in the wrong screen orientation for where the controllers are on its title game.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8052403",
"author": "Joshua",... | 1,760,371,757.275139 | ||
https://hackaday.com/2024/10/20/hackaday-links-october-20-2024/ | Hackaday Links: October 20, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"am",
"amateur radio",
"bandwidth",
"disaster",
"emergency",
"flight simulator",
"hackaday links",
"ham",
"Helene",
"Mechazilla",
"microsoft",
"radio",
"SpaceX",
"starship",
"Super Heavy",
"Windows 10",
"Winlink"
] | When all else fails, there’s radio. Hurricane Helene’s path of destruction through Appalachia stripped away every shred of modern infrastructure in some areas, leaving millions of residents with no ability to reach out to family members or call for assistance, and depriving them of any news from the outside world. But ... | 44 | 11 | [
{
"comment_id": "8052352",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-10-20T23:15:36",
"content": "Inre: Flight SimulatorThe last time I flew FS it didn’t need an Internet connection.I usually crashed shortly after take-off anyway.",
"parent_id": null,
"depth": 1,
... | 1,760,371,757.120173 | ||
https://hackaday.com/2024/10/20/diy-air-bearings-no-machining-required/ | DIY Air Bearings, No Machining Required | Dan Maloney | [
"Misc Hacks"
] | [
"air bearing",
"epoxy",
"float glass",
"plaster",
"pneumatic"
] | Seeing a heavy load slide around on nearly frictionless air bearings is pretty cool; it’s a little like how the puck levitates on an air hockey table. Commercial air bearings are available, of course, but when you can build
these open-source air bearings
, why bother buying?
One of the nice things about [Diffraction Li... | 26 | 12 | [
{
"comment_id": "8052312",
"author": "Gösta",
"timestamp": "2024-10-20T20:42:23",
"content": "I’m never gonna build air bearings, but the video is thoroughly informative, really enjoyable :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8052421",
"... | 1,760,371,757.042792 | ||
https://hackaday.com/2024/10/20/figuring-out-the-most-efficient-way-to-reuse-bags-of-desiccant/ | Figuring Out The Most Efficient Way To Reuse Bags Of Desiccant | Maya Posch | [
"3d Printer hacks",
"Science"
] | [
"desiccant",
"silica gel"
] | Everyone knows those small bags of forbidden “Do not eat” candy that come with fresh rolls of FDM filament as well as a wide range of other products. Containing usually silica gel but sometimes also bentonite clay, these desiccant bags are often either thrown away or tossed into bags of FDM filament with a ‘adding one ... | 34 | 15 | [
{
"comment_id": "8052268",
"author": "Lord Kimbote",
"timestamp": "2024-10-20T17:29:28",
"content": "They’re too small to keep around IMO. But if you have a need methinks putting them in the sun takes care of them.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,371,757.343538 | ||
https://hackaday.com/2024/10/20/a-parts-bin-midi-controller-in-24-hours/ | A Parts Bin MIDI Controller In 24 Hours | Bryan Cockfield | [
"Musical Hacks"
] | [
"arcade button",
"arduino",
"Arduino Uno",
"drum kit",
"drum machine",
"emergency stop",
"midi",
"music",
"pelican case"
] | Part of the reason MIDI has hung on as a standard in the musical world for so long is that it is incredibly versatile. Sure, standard instruments like pianos and drums can be interfaced with a computer fairly easily using this standard, but essentially anything can be converted to a MIDI instrument with the right wirin... | 9 | 4 | [
{
"comment_id": "8052254",
"author": "bill rowe",
"timestamp": "2024-10-20T16:58:41",
"content": "How do I actually get the musical notes out on a speaker?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8052272",
"author": "Jeremy Cook",
"tim... | 1,760,371,757.16417 | ||
https://hackaday.com/2024/10/20/forget-flipper-how-about-capybara/ | Forget Flipper, How About Capybara? | Jenny List | [
"Radio Hacks",
"Tool Hacks"
] | [
"CapybaraZero",
"ESP32",
"flipper zero"
] | One of the hacker toys to own over the last year has been the Flipper Zero, a universal wireless hacking tool which even caused a misplaced moral panic about car theft in Canada. A Flipper is cool as heck of course but not the cheapest of devices. Fortunately there’s now an alternative in the form of
the CapibaraZero
.... | 26 | 8 | [
{
"comment_id": "8052189",
"author": "Anonymous",
"timestamp": "2024-10-20T11:08:33",
"content": "Cool project. Bruce, which uses M5 products, is another interesting project that has a lot of the same functionality. It’s being ported to the very affordable LilyGo T-embed cc1101 as well, which has ma... | 1,760,371,757.227123 | ||
https://hackaday.com/2024/10/20/behold-a-first-person-3d-maze-vintage-atari-style/ | Behold A First-Person 3D Maze, Vintage Atari Style | Donald Papp | [
"Games",
"Retrocomputing",
"Software Hacks"
] | [
"3d maze",
"atari",
"ray casting",
"vintage"
] | [Joe Musashi] was inspired by discussions about 3D engines and decided to create a first-person 3D maze of his own. The really neat part?
It could have been done on vintage Atari hardware
. Well, mostly.
He does admit he had to do a little cheating to make this work; he relies on code for the ARM processor in the moder... | 15 | 8 | [
{
"comment_id": "8052174",
"author": "psxnet",
"timestamp": "2024-10-20T09:21:20",
"content": "Sadly the github tutorial link is now a 404 page.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8052180",
"author": "Andreas",
"timestamp": "2024-... | 1,760,371,756.981386 | ||
https://hackaday.com/2024/10/19/ideal-diodes-and-how-to-build-them/ | Ideal Diodes And How To Build Them | Al Williams | [
"Misc Hacks"
] | [
"diode",
"ideal diode"
] | [Julian] knows that real diodes you can buy don’t work exactly like we say they do. That’s actually pretty common. We routinely ignore things like wire resistance and source resistance in batteries. Diodes have problems that are harder to ignore, such as the forward voltage drop. So, while a real diode will only pass c... | 17 | 4 | [
{
"comment_id": "8052142",
"author": "Shinsukke",
"timestamp": "2024-10-20T06:04:34",
"content": "I don’t know anything about these ideal diode controllers so I’ll just askCan they be used to deal with the very common multiple power source problemExample USB and battery providing power to the same c... | 1,760,371,756.892398 | ||
https://hackaday.com/2024/10/19/fundamentals-of-fmcw-helps-you-understand-your-cars-point-of-view/ | Fundamentals Of FMCW Radar Help You Understand Your Car’s Point Of View | Dan Maloney | [
"Radio Hacks",
"Transportation Hacks"
] | [
"automotive",
"beat frequency",
"fft",
"fmcw",
"mixer",
"PLL",
"radar",
"sensor"
] | Pretty much every modern car has some driver assistance feature, such as lane departure and blind-spot warnings, or adaptive cruise control. They’re all pretty cool, and they all depend on the car knowing where it is in space relative to other vehicles, obstacles, and even pedestrians. And they all have another thing i... | 3 | 3 | [
{
"comment_id": "8052171",
"author": "shinsukke",
"timestamp": "2024-10-20T08:54:17",
"content": "I wonder if it’s possible to use those cheap ultrasonic distance measurement modules to do something like this, but much slower and without special hardware.I work with an off the shelf radar chip (puls... | 1,760,371,756.930385 | ||
https://hackaday.com/2024/10/19/inside-the-rll-hard-drive-protocol/ | Inside The RLL Hard Drive Protocol | Al Williams | [
"Retrocomputing"
] | [
"hard drive",
"rll",
"seagate"
] | If you are younger than a certain age, RLL probably doesn’t mean much to you. Old consumer-grade hard drives used MFM (modified frequency modulation like a floppy disk uses) and soon went to IDE (integrated drive electronics). There was a brief period when RLL (run length limited) drives were the way to get a little mo... | 19 | 9 | [
{
"comment_id": "8052072",
"author": "Eric",
"timestamp": "2024-10-19T23:09:34",
"content": "I used to have a MFM hard drive, 5MB 5.25″ FH drive. I got it from dumpster diving when a company started clearing out obsolete drives and parts.Beastly drive was noisy as well.",
"parent_id": null,
... | 1,760,371,757.492716 | ||
https://hackaday.com/2024/10/19/make-your-own-remy-the-rat-this-halloween/ | Make Your Own Remy The Rat This Halloween | Donald Papp | [
"Arduino Hacks",
"Wearable Hacks"
] | [
"arduino",
"halloween",
"mpu6050",
"remy"
] | [Christina Ernst] executed a fantastic idea just in time for Halloween: her very own
Remy the rat
(from the 2007 film
Ratatouille
). Just like in the film Remy perches on her head and appears to guide her movements by pulling on hair as though operating a marionette. It’s a great effect, and we love the hard headband u... | 10 | 6 | [
{
"comment_id": "8052075",
"author": "Foldi-One",
"timestamp": "2024-10-19T23:18:00",
"content": "That is quite effective and hard to beat as a frivolous fun project.I think it would be perhaps more impressive and effective if the rat was a simple passive mechanical system – perhaps Bowden cables or... | 1,760,371,757.618079 | ||
https://hackaday.com/2024/10/19/a-robust-guide-to-the-xbox-360-glitch-hack/ | A Robust Guide To The Xbox 360 Glitch Hack | Lewin Day | [
"Xbox Hacks"
] | [
"cpu",
"glitch",
"glitch attack",
"hacking",
"hardware",
"xbox 360"
] | The Xbox 360 was a difficult console to jailbreak. Microsoft didn’t want anyone running unsigned code, and darn if they didn’t make it difficult to do so. However, some nifty out of the box thinking and tricky techniques cracked it open like a coconut with a crack in it. For the low down,
[15432] has a great in-depth a... | 16 | 6 | [
{
"comment_id": "8052032",
"author": "DisposableHero",
"timestamp": "2024-10-19T20:16:36",
"content": "Heh, I was just looking up 360 modding today.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8052053",
"author": "Jan",
"timestamp": "2024-10-19T21:3... | 1,760,371,757.566863 | ||
https://hackaday.com/2024/10/19/hackaday-hacked/ | Hackaday Hacked! | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"comments",
"hacking",
"newsletter"
] | Well, that was “fun”. Last week, we wrote a newsletter post about the state of Hackaday’s comments. We get good ones and bad ones, and almost all the time, we leave you all up to your own devices. But every once in a while, it’s good to remind people to be nice to our fellow hackers who get featured here, because after... | 207 | 50 | [
{
"comment_id": "8051913",
"author": "preamp.org",
"timestamp": "2024-10-19T14:18:06",
"content": "Certainly needs moar 2FA, moar AI and moar capchas!!1! Moar = betterer, amirite?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8051925",
"author": "Os... | 1,760,371,758.340506 | ||
https://hackaday.com/2024/10/19/power-supply-pcb-redesign/ | Power Supply PCB Redesign | Al Williams | [
"Misc Hacks"
] | [
"power supply",
"redesign",
"switcher",
"switching power supply"
] | We’ve often heard you should do everything twice. The first time is to learn what you need to do, and the second time is to do it right. We bet [Ian Carey] would agree after taking his old linear power supply PCB and
changing it to a switching regulator
design. You can see more about the project in the video below.
The... | 6 | 1 | [
{
"comment_id": "8051908",
"author": "Klh",
"timestamp": "2024-10-19T13:50:19",
"content": "Cheap enough maybe, but so wasteful…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8051937",
"author": "mime",
"timestamp": "2024-10-19T15:26:12",
... | 1,760,371,757.706725 | ||
https://hackaday.com/2024/10/19/self-portaging-canoe-is-part-bicycle/ | Self-Portaging Canoe Is Part Bicycle | Bryan Cockfield | [
"Transportation Hacks"
] | [
"amphibious",
"bicycle",
"bmx",
"boat",
"canoe",
"paddle",
"recumbent",
"Scotland"
] | Normally when making a long voyage in a canoe, an adventurer would paddle the vessel as far as possible and then “portage”, or carry, the canoe over the short sections of land separating the bodies of water. Portaging is a lot of work, though, since canoes generally aren’t particularly light or designed for traveling o... | 10 | 8 | [
{
"comment_id": "8051856",
"author": "Frank Edwards III",
"timestamp": "2024-10-19T08:42:13",
"content": "What an incredible experience. He has hacked a canoe and a bicycle into a seaworthy craft. I say have at it! I will wait upon these sidelines. Gracefully watched your adventures in the Pac... | 1,760,371,757.66273 | ||
https://hackaday.com/2024/10/18/little-rc-car-project-takes-inspiration-from-mario-kart/ | Little RC Car Project Takes Inspiration From Mario Kart | Lewin Day | [
"Misc Hacks"
] | [
"ESP32",
"mario kart",
"R/C car",
"table top",
"table top RC car"
] | RC cars used to be pretty simple. They’d go forwards, backwards, and steer if you got a full-function toy. However, with modern technology, it’s pretty trivial to make them more advanced. [Stuck at Prototype] demonstrates that nicely
with his little Micro Racer Cars.
Each little RC car has its own ESP32 running the sho... | 14 | 7 | [
{
"comment_id": "8051953",
"author": "Christoph",
"timestamp": "2024-10-19T16:19:05",
"content": "The idea of using color sensors and magnetic “paper” is neat. The cars seem to drive very smoothly too.Wouldn’t it have been simpler to convert the RGB-output of the color sensor to HSV/HSL-color space... | 1,760,371,758.105981 | ||
https://hackaday.com/2024/10/18/smart-glasses-read-text/ | Smart Glasses Read Text | Al Williams | [
"Raspberry Pi"
] | [
"assistive technolgy",
"ocr",
"smart glasses"
] | You normally think of smart glasses as something you wear as either an accessory or, if you need a little assistance, with corrective lenses. But [akhilnagori] has a different kind of smart eyewear. These glasses
scan and read text
in the user’s ear.
This project was inspired by a blind child who enjoyed listening to s... | 6 | 4 | [
{
"comment_id": "8051816",
"author": "Bootdsc",
"timestamp": "2024-10-19T03:42:01",
"content": "Hmm there seems to be a disconnect between what’s been described and what actually was made, did the writer actually read and look at the instructables post? Those glasses were not completed and the image... | 1,760,371,757.825184 | ||
https://hackaday.com/2024/10/18/cnc-metal-forming/ | CNC Metal Forming | Navarre Bartz | [
"Tool Hacks"
] | [
"cnc",
"digital metal forming",
"metal fabrication",
"metal forming",
"Tucker"
] | Forming complex shapes in metal sheets is still a laborious process, especially if you aren’t needing more than a couple parts so stamping doesn’t make sense. That may change with
Digital Sheet Forming
.
While this video is basically an ad for one vendor’s approach, it gives a good set of examples of what the technique... | 31 | 14 | [
{
"comment_id": "8051769",
"author": "Bruce",
"timestamp": "2024-10-18T23:27:57",
"content": "If this metal-forming impresses you, the two-robot pinch-style metal-forming will blow you away. In that technique, two separate industrial robots apply coordinated pressure on either side of a sheet to do ... | 1,760,371,758.059181 | ||
https://hackaday.com/2024/10/18/fm-transmitter-remotely-controlled-via-esp32/ | FM Transmitter Remotely Controlled Via ESP32 | Lewin Day | [
"Radio Hacks"
] | [
"fm radio",
"ham radio",
"radio",
"transmitter"
] | Imagine you’ve got an FM transmitter located some place. Wouldn’t it be mighty convenient if you could control that transmitter remotely? That way, you wouldn’t have to physically attend to it every time you had to change some minor parameters! To that end, [Ricardo Lima Caratti]
built a rig to do just that
.
The build... | 14 | 4 | [
{
"comment_id": "8051736",
"author": "asheets",
"timestamp": "2024-10-18T20:15:10",
"content": "Doesn’t an FM broadcast band license require an on-site licensed engineer to be present during operation hours? Maybe my information is out of date…",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,371,757.992556 | ||
https://hackaday.com/2024/10/18/teardowns-show-off-serious-satellite-hardware/ | Teardowns Show Off Serious Satellite Hardware | Lewin Day | [
"Teardown"
] | [
"hardware",
"satellite",
"space",
"teardown"
] | As hackers, we’re always pulling stuff apart—sometimes just to see what it’s like inside. Most of us have seen the inside of a computer, television, and phone. These are all common items that we come into contact with every day. Fewer of us have dived inside real spacey satellite hardware, if only for the lack of oppor... | 14 | 9 | [
{
"comment_id": "8051702",
"author": "Mystick",
"timestamp": "2024-10-18T18:56:11",
"content": "Now that headline was wasted – it would have been perfect with some spelling adjustments for a satellite subscription radio hack :P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,371,758.394906 | ||
https://hackaday.com/2024/10/18/a-hackers-travel-guide-to-europe/ | A Hacker’s Travel Guide To Europe | Jenny List | [
"cons",
"Featured",
"Interest",
"Slider"
] | [
"europe",
"hacker camps",
"travel"
] | This summer, I was pleasantly surprised when a friend of mine from Chicago turned up at one of the hacker camps I attended. A few days of hanging out in the sun ensued, doing cool hacker camp stuff, drinking unusual beverages, and generally having fun. It strikes me as a shame that this is such a rare occurrence, and s... | 55 | 16 | [
{
"comment_id": "8051684",
"author": "Maggie",
"timestamp": "2024-10-18T17:24:03",
"content": "There was a very old episode of Top Gear where Clarkson in Merceder SLR raced May and Hamond all the way from UK to Norway. He drove all across UK, France, Germany, Holand, Denmark, Sweden and finally Norw... | 1,760,371,758.584329 | ||
https://hackaday.com/2024/10/18/hackaday-podcast-episode-293-the-power-of-poke-folding-butterflies-and-the-crt-effect/ | Hackaday Podcast Episode 293: The Power Of POKE, Folding Butterflies, And The CRT Effect | Kristina Panos | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week on the Podcast, Hackaday’s Elliot Williams and Kristina Panos joined forces to bring you the latest news, mystery sound, and of course, a big bunch of hacks from the previous week.
First up in the news:
we’ve extended the 2024 Supercon Add-On contest by a week!
That’s right, whether you were held up by Chines... | 2 | 1 | [
{
"comment_id": "8051679",
"author": "Zach Hugethanks",
"timestamp": "2024-10-18T16:40:15",
"content": "FYI: The what’s that sound link is still the old one.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8051723",
"author": "Elliot Williams",
... | 1,760,371,758.438042 | ||
https://hackaday.com/2024/10/18/double-slit-time-diffraction-at-optical-frequencies/ | Double-Slit Time Diffraction At Optical Frequencies | Maya Posch | [
"Science"
] | [
"diffraction",
"double-slit"
] | The double-slit experiment, first performed by [Thomas Young] in 1801 provided the first definitive proof of the dual wave-particle nature of photons. A similar experiment can be performed that shows diffraction at optical frequencies by changing the reflectivity of a film of indium-tin-oxide (ITO), as demonstrated in ... | 11 | 6 | [
{
"comment_id": "8051666",
"author": "f__",
"timestamp": "2024-10-18T15:47:54",
"content": "I really appreciate reading about new fundamental research on hackaday. Cool fundamental research deserves more publicity.However, fundamental research is hard to communicate. I don’t have time to read the pa... | 1,760,371,758.490147 | ||
https://hackaday.com/2024/10/18/this-week-in-security-quantum-rsa-break-out-of-scope-and-spoofing-packets/ | This Week In Security: Quantum RSA Break, Out Of Scope, And Spoofing Packets | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"quantum",
"spoofing",
"This Week in Security"
] | Depending on who you ask, the big news this week is that
quantum computing researchers out of China have broken RSA
. (
Here’s the PDF of their paper.
) And that’s true… sort of. There are multiple caveats, like the fact that this proof of concept is only factoring a 22-bit key. The minimum RSA size in use these days i... | 13 | 5 | [
{
"comment_id": "8051646",
"author": "Rog77",
"timestamp": "2024-10-18T14:41:20",
"content": "The Dwave attack was on AES type encryption, not RSA/public key.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8051678",
"author": "Jonathan Bennett",
... | 1,760,371,758.637142 | ||
https://hackaday.com/2024/10/18/motu-audio-interface-resurrected-after-some-reverse-engineering/ | MOTU Audio Interface Resurrected After Some Reverse Engineering | Lewin Day | [
"Linux Hacks",
"Repair Hacks"
] | [
"audio interface",
"firmware",
"Ghidra",
"hack",
"motu",
"reverse engineering"
] | These days, when something electronic breaks, most folks just throw it away and get a new one. But as hackers, we prefer to find out what the actual problem is and fix it. [Bonsembiante] took that very tack when a MOTU brand audio interface wasn’t booting. As it turns out,
a bit of investigative work led to a simple an... | 8 | 5 | [
{
"comment_id": "8051616",
"author": "Martin Hill",
"timestamp": "2024-10-18T12:28:41",
"content": "Interesting, I have a similar but simpler Focusrite Scarlet interface that also no longer mounts to USB, I wonder if it could be the same chip.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,371,758.683477 | ||
https://hackaday.com/2024/10/18/overcomplicating-the-magnetic-compass-for-a-reason/ | Overcomplicating The Magnetic Compass For A Reason | Dan Maloney | [
"Tech Hacks"
] | [
"armature",
"compass",
"inductor",
"magnetic",
"navigation",
"rotor",
"stator"
] | Some inventions are so simple that it’s hard to improve them. The magnetic compass is a great example — a magnetized needle, a bit of cork, and a bowl of water are all you need to start navigating the globe. So why in the world would you want to over-complicate things with something like
this Earth inductor compass
? J... | 17 | 9 | [
{
"comment_id": "8051566",
"author": "jpa",
"timestamp": "2024-10-18T08:07:00",
"content": "“take different approaches to the problem of nulling out the magnetic field of the plane”While electronic measurement of the magnetic field can make nulling easier, I think the real point of Earth inductor co... | 1,760,371,758.733567 | ||
https://hackaday.com/2024/10/17/building-a-zx-spectrum-using-only-new-parts/ | Building A ZX Spectrum Using Only New Parts | Lewin Day | [
"Retrocomputing"
] | [
"retrocomputer",
"retrocomputing",
"sinclair",
"ZX Spectrum"
] | Ah, the Sinclair ZX Spectrum. A popular computer in Britain and beyond, but now rather thin on the ground. If you can’t find one, fear not, for now—you can apparently build a new one with new parts!
[TME Retro] is here to demonstrate how
.
Before you get excited, no—Sinclair has not risen from the dead. Instead, it’s s... | 29 | 8 | [
{
"comment_id": "8051538",
"author": "No More Z80s :(",
"timestamp": "2024-10-18T05:20:22",
"content": "Heh, well, won’t be “all new” for much longer considering the Z80 is unfortunately finally out of production.Soon you’ll need an adapter for an eZ80 (maybe, timing may not allow the substitution) ... | 1,760,371,758.9082 | ||
https://hackaday.com/2024/10/17/redbox-is-dead-but-the-machines-are-kind-of-hanging-on/ | Redbox Is Dead, But The Machines Are Kind Of Hanging On | Lewin Day | [
"home entertainment hacks",
"News"
] | [
"dvd rental",
"redbox",
"rental"
] | Redbox was a service for renting DVDs from automated kiosks. The business was going well until it wasn’t anymore, and then the company went bankrupt in July this year. And yet… the machines live on. At least, that’s according to YouTuber [Smokin’ Silicon],
who spotted some remaining Redbox kiosks out and about
. Includ... | 37 | 13 | [
{
"comment_id": "8051521",
"author": "Truth",
"timestamp": "2024-10-18T03:07:50",
"content": "So the redbox company has gone bankrupt. Does that mean that eventually all the current assets will be sold at cents on the dollar to partially pay off their current debts as fast as possible. And if that i... | 1,760,371,759.103192 | ||
https://hackaday.com/2024/10/17/laser-painting-explained/ | Laser Painting Explained | Al Williams | [
"Laser Hacks"
] | [
"acrylic",
"laser"
] | If you get an inexpensive diode laser cutter, you might have been disappointed to find it won’t work well with transparent acrylic. The material just passes most of the light at that wavelength, so there’s not much you can do with it. So how did [Rich] make a good-looking sign using a cheap laser? He used a simple
pain... | 7 | 3 | [
{
"comment_id": "8051496",
"author": "Matt Cramer",
"timestamp": "2024-10-18T01:23:03",
"content": "CO2 lasers really shine here, no pun intended. Instead of going through acrylic, the plastic will absorb virtually all the energy and vaporize. The vapor smells rather like garlic and probably isn’t g... | 1,760,371,759.034397 | ||
https://hackaday.com/2024/10/17/tiny-lora-gps-node-relies-on-esp32/ | Tiny LoRa GPS Node Relies On ESP32 | Lewin Day | [
"Radio Hacks"
] | [
"ESP32",
"gps",
"LoRa",
"powerfeather",
"radio"
] | Sometimes you need to create a satellite navigation tracking device that communicates via a low-power mesh network. [Powerfeatherdev] was in just that situation, and they whipped up
a particularly compact solution to do the job.
As you might have guessed based on the name of its creator, this build is based around the
... | 10 | 5 | [
{
"comment_id": "8051458",
"author": "shinsukke",
"timestamp": "2024-10-17T21:22:04",
"content": "Nice! Cute and simple project",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8051489",
"author": "William Payne",
"timestamp": "2024-10-18T00:46:14",
... | 1,760,371,759.156545 | ||
https://hackaday.com/2024/10/17/access-the-information-superhighway-with-a-mac-plus/ | Access The Information Superhighway With A Mac Plus | Bryan Cockfield | [
"Retrocomputing"
] | [
"apple",
"bluescsi",
"internet",
"internet archive",
"macintosh",
"macintosh plus",
"proxy",
"wayback machine"
] | For some time now, Apple has developed a reputation for manufacturing computers and phones that are not particularly repairable or upgradable. While this reputation is somewhat deserved, especially in recent years, it seems less true for their older machines. With the second and perhaps most influential computer, the A... | 5 | 2 | [
{
"comment_id": "8051433",
"author": "TG",
"timestamp": "2024-10-17T20:11:11",
"content": "An elegant computer from a more civilized age",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8051452",
"author": "Joshua",
"timestamp": "2024-10-17T20:... | 1,760,371,759.333381 | ||
https://hackaday.com/2024/10/16/module-makes-noisy-projects-easy/ | Module Makes Noisy Projects Easy | Al Williams | [
"Musical Hacks"
] | [
"mp3 module"
] | You want to add voice, music, or sound effects to your project. What do you do? Sure, it is easy enough to plug a Raspberry Pi or some other tiny computer, but that’s not always desirable from a power, space, or cost point of view. [Mellow_Labs]
shows a module that makes it simple to add sound to any project
. The litt... | 7 | 3 | [
{
"comment_id": "8051228",
"author": "echodelta",
"timestamp": "2024-10-17T01:40:36",
"content": "Loads to download, the BBC just released a huge library of sounds to the public according to the story I heard the other day on NPR.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,371,759.242131 | ||
https://hackaday.com/2024/10/16/clockwork-derby-digital-robo-rally-steampunk-style/ | Clockwork Derby: DigitalRobo Rally, Steampunk Style | Heidi Ulrich | [
"Games",
"Microcontrollers"
] | [
"boardgame",
"clockwork derby",
"clockworkderby",
"robo rally",
"roborally",
"robotic",
"Tabletop",
"tabletop game"
] | Inspired by the classic game
Robo Rally
,
[Ytec3D]’s
Clockwork Derby
takes tabletop gaming to the next level by combining steampunk aesthetics with automation. We recently had the chance to see it live at
Hackfest
, together with
[Ytec3D]’s animatronic tentacle
, and we can say that his new take on playful robotics off... | 7 | 5 | [
{
"comment_id": "8051184",
"author": "Yet Another Robert Smith",
"timestamp": "2024-10-16T21:17:03",
"content": "Functional and beautiful! Hopefully the Articifer is granted a Merit Lordship/Ladyship.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8051187",
... | 1,760,371,759.2907 | ||
https://hackaday.com/2024/10/16/floss-weekly-episode-805-mastodon-bring-your-own-algorithm/ | FLOSS Weekly Episode 805: Mastodon — Bring Your Own Algorithm | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"FLOSS Weekly",
"OggCamp",
"unconference"
] | This week
Jonathan Bennett
and
Jeff Massie
chat with Andy Piper about Mastodon! There’s a new release of Mastodon, and plenty on the road map to keep everybody excited!
https://joinmastodon.org/
https://shop.joinmastodon.org/products/mastodon-plushie
Did you know you can watch the live recording of the show Right on
ou... | 0 | 0 | [] | 1,760,371,759.196684 | ||
https://hackaday.com/2024/10/16/keebin-with-kristina-the-one-with-the-folding-butterfly-keyboard/ | Keebin’ With Kristina: The One With The Folding Butterfly Keyboard | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"business card",
"business card keyboard",
"butterfly keyboard",
"folding keyboard",
"Japanese keyboard",
"pcb business card",
"rainbow",
"Salter No. 5",
"Sinclair Zx Spectrum"
] | Want to give prospective employers a business card that doesn’t immediately get tossed? Of course you do. If you’re one of us, the answer is obvious: make it some kind of a PCB.
Image by [Ricardo Daniel de Paula] via
Hackaday.IO
But as those become commonplace, it’s imperative that you make it
do
something. Well, you c... | 5 | 4 | [
{
"comment_id": "8051201",
"author": "BT",
"timestamp": "2024-10-16T22:40:43",
"content": "Be sure to check out the .gif of it folding and unfolding on the first link.Or just give us the link to the .gif:https://github.com/SolidHal/btrfld/raw/master/demos/pcb_folding.gif",
"parent_id": null,
... | 1,760,371,759.481788 | ||
https://hackaday.com/2024/10/16/tech-in-plain-sight-tasers-shooting-confetti/ | Tech In Plain Sight: Tasers Shooting Confetti | Al Williams | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"taser"
] | One of the standard tropes in science fiction is some kind of device that can render someone unconscious — you know, like a phaser set to stun. We can imagine times when being aggressively knocked out would lead to some grave consequences, but — we admit — it is probably better than getting shot. However, we don’t real... | 41 | 8 | [
{
"comment_id": "8051076",
"author": "Mr. Christopher",
"timestamp": "2024-10-16T14:26:25",
"content": "DO cop Tasers have these little tags? Because it would be so much worse if the answer was no.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8051380",
... | 1,760,371,759.429765 | ||
https://hackaday.com/2024/10/16/linus-live-codes-music-on-the-commodore-64/ | Linus Live-Codes Music On The Commodore 64 | Elliot Williams | [
"Musical Hacks",
"Retrocomputing"
] | [
"chiptune",
"commodore 64",
"editor",
"linus akesson",
"live coding",
"sequencer",
"synthesizer"
] | In this tremendously educational video, [Linus Åkesson]
takes us through how he develops a synthesizer and a sequencer and editor for it on the Commodore 64
, all in BASIC. While this sounds easy, [Linus] is doing this in hard mode: all of the audio is generated by POKE, and it gets crazier from there. If you’re one of... | 12 | 8 | [
{
"comment_id": "8051051",
"author": "tiopepe123",
"timestamp": "2024-10-16T12:45:20",
"content": "My teacher taught in the most complex way to “filter” the students.I have always hated him",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8051054",
"author":... | 1,760,371,759.530084 | ||
https://hackaday.com/2024/10/16/arduboy-cassette-award-explores-new-features/ | Arduboy Cassette Award Explores New Features | Tom Nardi | [
"Games",
"handhelds hacks"
] | [
"Arduboy",
"award",
"contest",
"handheld game"
] | When [Press Play on Tape] entered their game
Prince of Arabia
into the Arduboy FX Game Jam, we bet they had no idea that they’d be taking home a prize quite like this — designed by Arduboy creator [Kevin Bates], this
gorgeous new variant of the handheld system
brings some exciting new capabilities to the platform. Plus... | 9 | 2 | [
{
"comment_id": "8050995",
"author": "deshipu",
"timestamp": "2024-10-16T08:57:38",
"content": "Why do all those homebrew consoles must use such diminutive screens? We need bigger pixels to appreciate all the nice pixel art in those games.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,759.582022 | ||
https://hackaday.com/2024/10/15/an-arduino-triggers-a-flash-with-sound/ | An Arduino Triggers A Flash With Sound | Jenny List | [
"Arduino Hacks",
"digital cameras hacks"
] | [
"flash photography",
"flash trigger"
] | To capture an instant on film or sensor with a camera, you usually need a fast shutter. But alternately a flash can be triggered with the scene in the dark and the shutter wide open. It’s this latter technique which PetaPixel are looking at courtesy of the high-speed class at Rochester Institute of Technology.
They’re ... | 38 | 16 | [
{
"comment_id": "8050947",
"author": "Andrew",
"timestamp": "2024-10-16T05:43:21",
"content": "Could have used a 555.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8051020",
"author": "alialiali",
"timestamp": "2024-10-16T11:04:15",
... | 1,760,371,759.916745 | ||
https://hackaday.com/2024/10/15/assessing-developer-productivity-when-using-ai-coding-assistants/ | Assessing Developer Productivity When Using AI Coding Assistants | Maya Posch | [
"Artificial Intelligence"
] | [
"ai",
"GitHub Copilot",
"software development"
] | We have all seen the advertisements and glossy flyers for coding assistants like GitHub Copilot, which promised to use ‘AI’ to make you write code and complete programming tasks faster than ever, yet how much of that has worked out since Copilot’s introduction in 2021? According to
a recent report
by code analysis firm... | 66 | 16 | [
{
"comment_id": "8050919",
"author": "DerAxeman",
"timestamp": "2024-10-16T02:48:12",
"content": "Is this any different than when C++ was taking hold? Software got more bugs, things got vastly more bloated and slower, and development cycles increased in time. Yet computer scientist loved it.",
"... | 1,760,371,759.833812 | ||
https://hackaday.com/2024/10/15/solve-an-esp32-based-equation-solving-calculator/ | Solve: An ESP32-Based Equation Solving Calculator | Dave Rowntree | [
"Tool Hacks"
] | [
"3d printed",
"calculator",
"ESP32",
"Newton-Raphson",
"numerical solver"
] | We’re suckers for good-looking old-school calculators, so this interesting
numerical equation-solving calculator
by [Peter Balch] caught our attention. Based around the ESP32-WROOM-32 module and an LCD, the build is quite straightforward from an electronics point of view, with the main work being on the software side o... | 10 | 3 | [
{
"comment_id": "8050910",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-10-16T01:55:19",
"content": "Maybe the problem is with my network, but I’m not getting instructables to load via the link.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,371,759.968395 | ||
https://hackaday.com/2024/10/15/a-phone-a-ham-radio-relax-its-both/ | A Phone? A Ham Radio? Relax! It’s Both! | Al Williams | [
"Radio Hacks"
] | [
"ham radio"
] | A lot of hams like to carry a VHF radio. Of course, nearly everyone wants to carry a phone. Now, thanks to the
kv4p HT
, you don’t have to carry both. The open-source device connects to your Android smartphone and turns it into a radio transceiver. You can build it yourself for about $35. Check out the video below.
The... | 23 | 8 | [
{
"comment_id": "8050847",
"author": "Greg A",
"timestamp": "2024-10-15T20:39:28",
"content": "far out. a “ham radio module”. analog in, analog out, and a serial link with “AT” commands to select the frequency and filters.i was really imagining a “RTL-SDR” sort of board with a wifi interface as an... | 1,760,371,760.088319 | ||
https://hackaday.com/2024/10/15/your-battery-holder-is-also-your-power-switch-with-toggleslot/ | Your Battery Holder Is Also Your Power Switch With ToggleSlot | Dave Rowntree | [
"PCB Hacks"
] | [
"cheap",
"cr2032",
"footprint",
"KiCAD",
"switch"
] | We really like PCB-level hacks, especially ones that show ingenuity in solving a real problem while being super cheap to implement. Hackaday.IO user [Steph] wanted a cheap way to switch a wearable on and off without having to keep popping out the battery, so they came up with a
tweaked battery footprint, which is also ... | 23 | 11 | [
{
"comment_id": "8050822",
"author": "Will",
"timestamp": "2024-10-15T18:47:26",
"content": "What a neat a simple solution!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8050827",
"author": "Tim",
"timestamp": "2024-10-15T19:11:31",
"content": "Ve... | 1,760,371,760.026236 | ||
https://hackaday.com/2024/10/15/experimenting-with-micropython-on-the-bus-pirate-5/ | Experimenting With MicroPython On The Bus Pirate 5 | Chris Lott | [
"Featured",
"Interest",
"Slider",
"Tech Hacks"
] | [
"Bus Pirate 5",
"micropython"
] | I recently got one of the new RP2040-based Bus Pirate 5 (BP5), a multi-purpose interface debugging and testing tool. Scanning the various such tools in my toolbox already: an Analog Discovery 2, a new Glasgow Interface Explorer, and a couple of pyboards, I realized they all had a Python or MicroPython user interface. A... | 4 | 1 | [
{
"comment_id": "8050818",
"author": "A",
"timestamp": "2024-10-15T18:14:56",
"content": "I know “constomizations” was probably a spelling mistake, but I rather like the idea of a portmanteau of constant and customization being the initial changes you always make to a particular device.",
"paren... | 1,760,371,760.217131 | ||
https://hackaday.com/2024/10/15/mapping-a-fruit-flys-brain-with-crowdsourced-research/ | Mapping A Fruit Fly’s Brain With Crowdsourced Research | Maya Posch | [
"Science"
] | [
"brain mapping",
"drosophila melanogaster",
"fruit fly"
] | Example of a graph representation of one identified network with connections coded by neurotransmitter types. (Credit: Amy Sterling, Murthy and Seung Labs, Princeton University)
Compared to the human brain, a fruit fly (
Drosophila melanogaster
) brain is positively miniscule, not only in sheer volume, but also with a ... | 13 | 5 | [
{
"comment_id": "8050802",
"author": "Joshua",
"timestamp": "2024-10-15T16:57:55",
"content": "Hm. The 80286 processor has ‘merely’ 134 000 transistors and can run a sophisticated multitasking system such as OS/2.Which in turn leads to the software question. Is the ‘programming’ of the fly known, by... | 1,760,371,760.369661 | ||
https://hackaday.com/2024/10/17/ubiquitous-successful-bus-version-2/ | Ubiquitous Successful Bus: Version 2 | Arya Voronova | [
"Hackaday Columns",
"Slider"
] | [
"usb",
"usb 2",
"USB 3",
"usbc"
] | I’ve talked
a fair bit
about
USB-C
before, explaining how it all works, from many different angles. That said, USB-C is just the physical connector standard, plus the PD part that takes care of voltages and altmodes – things like data transfer are still delegated to the two interfaces you invariably end up using on USB... | 52 | 15 | [
{
"comment_id": "8051395",
"author": "a_do_z",
"timestamp": "2024-10-17T17:24:05",
"content": "“[…]I want to share it all with you.”Thanks!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8051404",
"author": "The Commenter Formerly Known As Ren",
... | 1,760,371,760.31312 | ||
https://hackaday.com/2024/10/17/the-fnirsi-hrm-10-internal-resistance-meter/ | The FNIRSI HRM-10 Internal Resistance Meter | Dave Rowntree | [
"Tool Hacks"
] | [
"4-wire",
"battery",
"Kelvin connection",
"resistance",
"review",
"tester"
] | Occasionally, we find fun new electronic instruments in the wild and can’t resist sharing them with our readers. The item in question is the FNIRSI HRM-10 Internal resistance meter,
which we show here being reviewed by [JohnAudioTech]
.
So what does it do, and why would you want one? The device is designed to measure b... | 16 | 7 | [
{
"comment_id": "8051389",
"author": "WereCatf",
"timestamp": "2024-10-17T16:30:02",
"content": "Nifty!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8051414",
"author": "Gary Camp",
"timestamp": "2024-10-17T18:49:56",
"content": "what is the pric... | 1,760,371,760.4287 | ||
https://hackaday.com/2024/10/17/mining-and-refining-mine-dewatering/ | Mining And Refining: Mine Dewatering | Dan Maloney | [
"Engineering",
"Featured",
"Interest",
"News",
"Slider"
] | [
"dewatering",
"ground freezing",
"grout",
"open-pit",
"pump",
"water",
"water table",
"workings"
] | From space, the most striking feature of our Pale Blue Dot is exactly what makes it blue: all that water. About three-quarters of the globe is covered with liquid water, and our atmosphere is a thick gaseous soup laden with water vapor. Almost everywhere you look there’s water, and even where there’s no obvious surface... | 9 | 8 | [
{
"comment_id": "8051369",
"author": "Spazer",
"timestamp": "2024-10-17T15:06:01",
"content": "Love informative articles like this.For some reason the engineering around water and the movement of it is of great fascination to me.Thanks for compiling this information!",
"parent_id": null,
"de... | 1,760,371,760.498668 | ||
https://hackaday.com/2024/10/17/what-would-it-take-to-recreate-bell-labs/ | What Would It Take To Recreate Bell Labs? | Maya Posch | [
"History"
] | [
"bell labs",
"research"
] | It’s been said that the best way to stifle creativity by researchers is to demand that they produce immediately marketable technologies and products. This is also effectively the story of Bell Labs, originally founded as Bell Telephone Laboratories, Inc. in January 1925. As an integral part of AT&T and Western Electric... | 45 | 18 | [
{
"comment_id": "8051319",
"author": "SayWhat?",
"timestamp": "2024-10-17T11:29:30",
"content": "Unfortunately corps today are effectively run by big shareholders who demand profits every quarter and don’t give a shit about fundamental research that may turn up something interesting",
"parent_id... | 1,760,371,760.58832 | ||
https://hackaday.com/2024/10/17/read-all-about-it-the-2024-supercon-site-is-live/ | Read All About It: The 2024 Supercon Site Is Live | Tom Nardi | [
"cons",
"News"
] | [
"2024 Hackaday Supercon"
] | With the 2024 Hackaday Supercon just a couple weeks away, we’re pleased to announce that the
official site for the three-day event is now live!
On the brand-new Supercon page, you can find a listing of all of our fantastic speakers, the hands-on workshops, and perhaps most importantly, the schedule of when everything i... | 4 | 2 | [
{
"comment_id": "8051396",
"author": "Jon",
"timestamp": "2024-10-17T17:29:22",
"content": "do we have any badge spec/info yet?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8051594",
"author": "davedarko",
"timestamp": "2024-10-18T10:18:07"... | 1,760,371,762.771416 | ||
https://hackaday.com/2024/10/16/diy-core-rope-memory-z80-demonstrator-generating-a-fibonacci-sequence/ | DIY Core Rope Memory Z80 Demonstrator Generating A Fibonacci Sequence | Dave Rowntree | [
"computer hacks"
] | [
"Core rope memory",
"diy",
"fibonacci sequence",
"rom",
"veroboard",
"z80"
] | We’ve seen a few retro products using core rope memory, such as telephone autodiallers. Obviously, we’ve covered the Apollo program computers, but we don’t think we’ve seen a complete and functional DIY computer using core rope memory for program storage until now. [P-lab]
presents their take on the technology using it... | 14 | 6 | [
{
"comment_id": "8051298",
"author": "kołtun f",
"timestamp": "2024-10-17T09:04:55",
"content": "why not creating this board and electronic element on mobius?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8051309",
"author": "Rastersoft",
"timestamp":... | 1,760,371,762.421055 | ||
https://hackaday.com/2024/10/16/winamp-taken-down-too-good-for-this-open-source-world/ | Winamp Taken Down: Too Good For This Open Source World | Jenny List | [
"Software Hacks"
] | [
"open source",
"takedown",
"winamp"
] | If you picked today in your hackerspace’s sweepstake on when Winamp would pull their code repository, congratulations! You’re a winner! The source for the Windows version of the venerable music player was released on GitHub three weeks ago, and after some derision over its licence terms, a bunch of possible open source... | 58 | 14 | [
{
"comment_id": "8051233",
"author": "Crabvergence",
"timestamp": "2024-10-17T02:14:33",
"content": "Interesting insights from someone who (allegedly) was inside this circus show.“I worked at Winamp till this February. I was the one that suggested the we’d open-source all the player code that belong... | 1,760,371,762.73278 | ||
https://hackaday.com/2024/10/15/breaking-news-2024-supercon-sao-contest-deadline-extended/ | Breaking News: 2024 Supercon SAO Contest Deadline Extended | Elliot Williams | [
"Hackaday Columns",
"News",
"Slider"
] | [
"2024 Hackaday Superconference",
"2024 Supercon SAO Contest",
"sao",
"Supercon"
] | More than a couple folks have written us saying that their entries into
the Supercon Add-On Contest
got caught up in the Chinese fall holidays. Add to that our tendency to wait until the last minute, and there still more projects out there that we’d like to see. So we’re extending the deadline one more week, until Octo... | 1 | 1 | [
{
"comment_id": "8050857",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-10-15T21:00:47",
"content": "I hope the extension brings in a bunch more SAOs!(Unfortunately, I won’t be one of the submitters.)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,762.180985 | ||
https://hackaday.com/2024/10/15/antirtos-no-rtos-needed/ | ANTIRTOS: No RTOS Needed | Dave Rowntree | [
"Software Hacks"
] | [
"c++",
"function pointers",
"interrupts",
"queue",
"RTOS",
"scheduling"
] | Embedded programming is a tricky task that looks straightforward to the uninitiated, but those with a few decades of experience know differently. Getting what you want to work predictably or even fit into the target can be challenging. When you get to a certain level of complexity, breaking code down into multiple task... | 54 | 16 | [
{
"comment_id": "8050707",
"author": "Rastersoft",
"timestamp": "2024-10-15T11:20:49",
"content": "I did something similar, around an event queue, and added several macros similar to the ones used in C coroutines to allow to write asynchronous functions. I used it for the firmware in my keyboard.",
... | 1,760,371,762.506154 | ||
https://hackaday.com/2024/10/15/modular-magnetic-led-matrix/ | Modular Magnetic LED Matrix | Danie Conradie | [
"LED Hacks"
] | [
"addressable leds",
"bitluni",
"led matrix",
"ws2812"
] | [bitluni] seems rather fond of soldering lots of LEDs, and fortunately for us the result is always interesting eye candy. The latest iteration of this venture features
8 mm WS2812D-F8 addressable LEDs
, offering a significant simplification in electronics and the potential for much brighter displays.
The
previous versi... | 5 | 3 | [
{
"comment_id": "8050674",
"author": "Weasel",
"timestamp": "2024-10-15T09:11:21",
"content": "Thats pretty darn cool. But trying to work with those LED´s i had one issue. I really wonder how it performs when the screen gets bigger. Datarate is fixed, every LED wants 24databits. FPS rates are probab... | 1,760,371,762.293216 | ||
https://hackaday.com/2024/10/14/what-actually-causes-warping-in-3d-prints/ | What Actually Causes Warping In 3D Prints? | Dave Rowntree | [
"3d Printer hacks"
] | [
"3d printing",
"FDM",
"warping"
] | The 3D printing process is cool, but it’s also really annoying at times. Specifically, when you want to get a part printed, and no matter how you orientate things, what adhesion aids you use or what slicer settings you tweak, it just won’t print right. [David Malawey] has been thinking a little about the problem of the... | 35 | 12 | [
{
"comment_id": "8050625",
"author": "Oliver",
"timestamp": "2024-10-15T05:45:30",
"content": "So whats the conclusion? What can we do to prevent this?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8050628",
"author": "scott_tx",
"timestamp"... | 1,760,371,762.249333 | ||
https://hackaday.com/2024/10/14/a-risc-v-lisp-compiler-written-in-lisp/ | A RISC-V LISP Compiler…Written In Lisp | Dave Rowntree | [
"Software Hacks"
] | [
"arm",
"assembler",
"compiler",
"lisp",
"raspberry pi pico 2",
"RISC-V"
] | Ah, Lisp, the archaic language that just keeps on giving. You either love or hate it, but you’ll never stop it. [David Johnson-Davies] is clearly in the love it camp and, to that end, has produced a fair number of tools wedging this language into all kinds of nooks and crannies. The particular nook in question is the R... | 15 | 6 | [
{
"comment_id": "8050615",
"author": "M",
"timestamp": "2024-10-15T04:56:40",
"content": "Operative word is “subset” I guess. Full-fat lisp isn’t compilable, in part because of it’s tendency to be self-modifying.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,371,762.554321 | ||
https://hackaday.com/2024/10/14/new-study-looks-at-the-potential-carcinogenicity-of-3d-printing/ | New Study Looks At The Potential Carcinogenicity Of 3D Printing | Dan Maloney | [
"News",
"Science"
] | [
"abs",
"assay",
"cancer",
"cell",
"gene expression",
"health",
"metabolism",
"PLA",
"sarcoma"
] | We’ve all heard stories of the dangers of 3D printing, with fires from runaway hot ends or dodgy heated build plates being the main hazards. But what about the particulates? Can they actually cause health problems in the long run? Maybe, if
new research into the carcinogenicity of common 3D printing plastics
pans out.
... | 40 | 13 | [
{
"comment_id": "8050558",
"author": "robert",
"timestamp": "2024-10-14T23:12:25",
"content": "A famous person (cannot recall who, sorry) once said no pleasure was worth foregoing for the sake of a few extra years in a retirement home in Weston-Super-Mare. Well, even if printing does give me cancer ... | 1,760,371,762.372013 | ||
https://hackaday.com/2024/10/14/the-greengate-ds3-part-2-putting-a-retro-sampler-to-use/ | The Greengate DS:3 Part 2: Putting A Retro Sampler To Use | Adam Fabio | [
"Musical Hacks",
"Retrocomputing"
] | [
"bea",
"Greengate DS:3",
"tubetime"
] | The Greengate DS:3 had been re-created in the form of the Goodgreat. Now
[Bea Thurman] had to put it to use
.
If the Greengate DS:3 card was rare, the keyboard was nearly impossible to find. After a long search, [Bea] bought one all the way from Iceland. The card of course came courtesy of [Eric].
It was time to conn... | 2 | 2 | [
{
"comment_id": "8050566",
"author": "You don't get this from me much...",
"timestamp": "2024-10-14T23:52:56",
"content": "Awesome!Thanks for this, Adam!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8051114",
"author": "jns",
"timestamp": "2024-10-16... | 1,760,371,762.1376 | ||
https://hackaday.com/2024/10/14/solving-a-retrocomputing-mystery-with-an-album-cover-greengate-ds3/ | Solving A Retrocomputing Mystery With An Album Cover: Greengate DS:3 | Adam Fabio | [
"Musical Hacks",
"Retrocomputing"
] | [
"GoodGreat",
"greengate",
"sampler",
"synthesizer"
] | [Bea Thurman] had a retro music conundrum. She loved the classic Greengate DS:3 sampler, but couldn’t buy one, and couldn’t find enough information to build her own.
[Bea’s] plea for help
caught the attention of [Eric Schlaepfer], aka [TubeTime]
. The collaboration that followed ultimately solved a decades-old mystery... | 10 | 7 | [
{
"comment_id": "8050488",
"author": "threeve",
"timestamp": "2024-10-14T19:19:25",
"content": "It seems like they wanted to keep their secrets – scraping off part numbers – but then why did they choose to show the entire top artwork on the album cover?",
"parent_id": null,
"depth": 1,
"... | 1,760,371,762.911215 | ||
https://hackaday.com/2024/10/14/calculating-the-true-per-part-cost-for-injection-molding-vs-3d-printing/ | Calculating The True Per Part Cost For Injection Molding Vs 3D Printing | Maya Posch | [
"3d Printer hacks"
] | [
"3d printing",
"injection molding"
] | At what point does it make sense to 3D print a part compared to opting for injection molding? The short answer is “it depends.” The medium-sized answer is, “it depends on some back-of-the-envelope calculations specific to your project.” That is what [Slant 3D}
proposes in a recent video
that you can view below. The ex... | 45 | 10 | [
{
"comment_id": "8050432",
"author": "Force",
"timestamp": "2024-10-14T16:34:41",
"content": "This video feels like an ad",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8050444",
"author": "Jack",
"timestamp": "2024-10-14T17:12:33",
"... | 1,760,371,762.8545 | ||
https://hackaday.com/2024/10/14/the-biological-motors-that-power-our-bodies/ | The Biological Motors That Power Our Bodies | Maya Posch | [
"Featured",
"Hackaday Columns",
"Science",
"Slider"
] | [
"ATP",
"cilium",
"flagellum",
"motor protein"
] | Most of us will probably be able to recall at least vaguely that a molecule called ATP is essential for making our bodies move, but this molecule is only a small part of a much larger system. Although we usually aren’t aware of it, our bodies consist of a massive collection of biological motors and related structures, ... | 50 | 14 | [
{
"comment_id": "8050397",
"author": "zoenagy3466",
"timestamp": "2024-10-14T15:07:00",
"content": "What about converting food waste to energy source with bacteria?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8050442",
"author": "Teachmethingsese"... | 1,760,371,763.010032 | ||
https://hackaday.com/2024/10/14/using-the-555-for-everything/ | Using The 555 For Everything | Bryan Cockfield | [
"hardware"
] | [
"555 timer",
"circuit design",
"microcontroller"
] | The 555 timer is one of the most versatile integrated circuits available. It can generate PWM signals, tones, and single-shot pulses. You can even put one in a bi-stable mode similar to a flip flop. All of these modes are available by only changing a few components outside of the IC itself. It’s also dirt cheap, so it ... | 26 | 13 | [
{
"comment_id": "8050341",
"author": "Zalan Meggyesi",
"timestamp": "2024-10-14T11:57:23",
"content": "My all time favorite in this topic:https://www.youtube.com/watch?v=uXeSsevsNNE– 555-based analog robotics",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8050... | 1,760,371,763.069688 | ||
https://hackaday.com/2024/10/14/alphabet-soup-haskells-single-letter-naming-quirks/ | Alphabet Soup: Haskell’s Single-Letter Naming Quirks | Heidi Ulrich | [
"Misc Hacks",
"News",
"Software Development",
"Software Hacks"
] | [
"coding",
"conventions",
"dictionary",
"haskell",
"programming language",
"variable",
"variables"
] | When you used punch cards or tape to write a computer program, brief variable names were the norm. Your compiler or assembler probably only allowed six letters, anyway. But times change, and people who, by habit, give array indices variable names like I, J, or K get a lot of grief. But [Jack Kelly] points out that for ... | 14 | 7 | [
{
"comment_id": "8050301",
"author": "paulvdh",
"timestamp": "2024-10-14T09:34:27",
"content": "I completely abhor single letter variables. It makes search and replace ambiguous and error prone, but more important, many IDE’s have a built in function to highlight a variable when it gets selected, f... | 1,760,371,763.597876 | ||
https://hackaday.com/2024/10/13/portable-pi-palmtop-provides-plenty/ | Portable Pi Palmtop Provides Plenty | Jenny List | [
"Cyberdecks"
] | [
"laptop",
"palmtop",
"pi zero"
] | We’ve seen many portable laptops using the Raspberry Pi series of boards in the decade-plus since its launch. The appeal of a cheap board that can run a desktop Linux distro without requiring too much battery is hard not to fall for. Over the years, the bar has been raised from a Pi stuck to the back of one of those Mo... | 11 | 6 | [
{
"comment_id": "8050260",
"author": "ziew",
"timestamp": "2024-10-14T07:08:31",
"content": "In the spirit of constructive criticism I wanted to ask why pay for the keyboard PCB if one could just 3D-print the top plate and then wire the buttons manually, only to discover that the author provides thi... | 1,760,371,763.442701 | ||
https://hackaday.com/2024/10/13/diy-3d-printed-arduino-self-balancing-cube/ | DIY 3D-Printed Arduino Self-Balancing Cube | Heidi Ulrich | [
"Microcontrollers",
"Robots Hacks"
] | [
"arduino",
"bluetooth",
"cube",
"microcontroller",
"motor",
"PCBWay",
"self balancing",
"self-balancing cube"
] | Self-balancing devices present a unique blend of challenge and innovation. That’s how
[mircemk]’s project
caught our eye. While balancing cubes isn’t a new concept — Hackaday has published several over the years — [mircemk] didn’t fail to impress. This design features a 3D-printed cube that balances using reaction whee... | 16 | 7 | [
{
"comment_id": "8050230",
"author": "BALAJI SANKAR",
"timestamp": "2024-10-14T03:54:59",
"content": "a) If it is a reaction wheel, the additional bolt nuts are there to add polar mass moment of inertia, not to add weight. b) Stewart platforms are static positioning devices. This is a dynamic balanc... | 1,760,371,763.547633 | ||
https://hackaday.com/2024/10/13/hackaday-links-october-13-2024/ | Hackaday Links: October 13, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"3Blue1Brown",
"ai",
"animation",
"asteroid",
"astronaut",
"billionaire",
"biomass",
"carbonaceous",
"data cennter",
"hackaday links",
"Manim",
"mathematics",
"Nuclear Reactor",
"python",
"space",
"space food",
"super yacht",
"yacht"
] | So far, food for astronauts hasn’t exactly been haute cuisine. Freeze-dried cereal cubes, squeezable tubes filled with what amounts to baby food, and meals reconstituted with water from a fuel cell don’t seem like meals to write home about. And from the sound of
research into turning asteroids into astronaut food
, thi... | 10 | 5 | [
{
"comment_id": "8050206",
"author": "Jon H",
"timestamp": "2024-10-14T00:15:10",
"content": "“material similar in texture and appearance to a “caramel milkshake.””So mud. It looks and feels like a smooth mud. Or worse.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,371,763.320669 | ||
https://hackaday.com/2024/10/13/a-homebrew-gas-chromatograph-that-wont-bust-your-budget/ | A Homebrew Gas Chromatograph That Won’t Bust Your Budget | Dan Maloney | [
"chemistry hacks"
] | [
"adc",
"arduino",
"Chemistry",
"gas chromatography",
"GC",
"grain of wheat",
"HX7111",
"MQ-2",
"silica"
] | Chances are good that most of us will go through life without ever having to perform gas chromatography, and if we do have the occasion to do so, it’ll likely be on a professional basis using a somewhat expensive commercial instrument. That doesn’t mean you can’t
roll your own gas chromatograph
, though, and if you mak... | 19 | 6 | [
{
"comment_id": "8050179",
"author": "brucedesertrat",
"timestamp": "2024-10-13T21:19:06",
"content": "That’s really cool. Going to guess though, that standard reference mixes will cost a lot more than the whole thing :-/Packing the silica into a stainless steel column would enable you to put the c... | 1,760,371,763.395045 | ||
https://hackaday.com/2024/10/13/retro-wi-fi-on-a-dime-amigas-slow-lane-connection/ | Retro Wi-Fi On A Dime: Amiga’s Slow Lane Connection | Heidi Ulrich | [
"Retrocomputing",
"Wireless Hacks"
] | [
"amiga",
"Amiga 3000",
"Amiga 3000T",
"wifi",
"wireless"
] | In a recent video, [Chris Edwards] delves into the past, showing how he
turned a Commodore Amiga 3000T into a wireless-capable machine
. But forget modern Wi-Fi dongles—this hack involves an old-school D-Link DWL-G810 wireless Ethernet bridge. You can see the Amiga in action in the video below.
[Chris] has a quirky app... | 9 | 6 | [
{
"comment_id": "8050170",
"author": "Miles",
"timestamp": "2024-10-13T20:31:56",
"content": "You can do the same with OpenWRT on a $4 Linksys router from Goodwill. And it will support proper WPA2 so you don’t need a necro router on the other end.Of course one of those little pocket travel routers ... | 1,760,371,763.493928 | ||
https://hackaday.com/2024/10/13/building-an-automotive-load-dump-tester/ | Building An Automotive Load Dump Tester | Dave Rowntree | [
"hardware"
] | [
"555 timer",
"amplifier",
"automotive",
"compliance",
"discrete design",
"load dump",
"manhattan construction",
"pulse"
] | For those who have not dealt with the automotive side of electronics before, it comes as somewhat of a shock when you find out just how much extra you have to think about and how tough the testing and acceptance standards are. One particular test requirement is known as the “load dump” test. [Tim Williams]
needed to bu... | 11 | 8 | [
{
"comment_id": "8050114",
"author": "Karl",
"timestamp": "2024-10-13T16:32:01",
"content": "My understanding is that for decades, alternators have had integrated clamping diodes to mitigate this issue.I did some load dump tests for some work projects about 10 years ago. At the time, it seemed odd t... | 1,760,371,763.651531 | ||
https://hackaday.com/2024/10/13/levitating-magnet-in-a-spherical-copper-cage/ | Levitating Magnet In A Spherical Copper Cage | Danie Conradie | [
"Art"
] | [
"eddy currents",
"Lenz's Law",
"lost pla casting",
"neodymium magnet"
] | Lenz’s Law is one of those physics tricks that look like magic if you don’t understand what’s happening. [Seth Robinson] was inspired by the way eddy currents cause a cylindrical neodymium magnet to levitate inside a rotating copper tube, so he cast a
spherical copper cage to levitate a magnetic sphere
.
Metal casting ... | 21 | 15 | [
{
"comment_id": "8050073",
"author": "Miayamasu",
"timestamp": "2024-10-13T13:28:56",
"content": "I see it drop at the end of the spin, so it really levitates nicely. Despite the video being 60fps it’s difficult to look past the motion blur. Whoever has a high speed camera should contact him so he c... | 1,760,371,763.709392 | ||
https://hackaday.com/2024/10/13/a-vic-20-with-no-vic/ | A VIC-20 With No VIC | Al Williams | [
"Retrocomputing"
] | [
"VIC-20"
] | [DrMattRegan] has started a new video series to show his latest
recreation of a Commodore VIC-20
. The core of the machine is [Ben Eater’s] breadboard 6502 design. To make it a VIC-20, though, you need a “VIC chip” which, of course, is no longer readily available. Many people, of course, use FPGAs or other programmable... | 7 | 4 | [
{
"comment_id": "8050023",
"author": "rnjacobs",
"timestamp": "2024-10-13T09:26:27",
"content": "Please post the follow-up videos to hackaday also! This first one is really just background.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8050082",
"au... | 1,760,371,763.751237 | ||
https://hackaday.com/2024/10/12/all-system-prompts-for-anthropics-claude-revealed/ | All System Prompts For Anthropic’sClaude, Revealed | Donald Papp | [
"Artificial Intelligence"
] | [
"anthopic",
"claude",
"LLM",
"system prompt"
] | For as long as AI Large Language Models have been around (well, for as long as modern ones have been accessible online, anyway) people have tried to coax the models into revealing their system prompts. The system prompt is essentially the model’s fundamental directives on what it should do and how it should act. Such h... | 5 | 4 | [
{
"comment_id": "8050020",
"author": "Thomas Anderson",
"timestamp": "2024-10-13T09:08:48",
"content": "This is really cool, I’m always surprised about how dumb these system prompts sound, I always expect them to be some crazy unintelligible mess.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,371,763.887392 | ||
https://hackaday.com/2024/10/12/solar-planes-are-hard/ | Solar Planes Are Hard | Danie Conradie | [
"drone hacks",
"Solar Hacks"
] | [
"foam airplane",
"mppt",
"solar plane"
] | A regular comment we see on electric aircraft is to “just add solar panels to the wings.” [James] from Project Air has been working on just such a
solar plane
, and as he shows in the video after the break, it is not a trivial challenge.
A solar RC plane has several difficult engineering challenges masquerading as one.... | 12 | 7 | [
{
"comment_id": "8049929",
"author": "CMH62",
"timestamp": "2024-10-13T02:04:48",
"content": "Reminds me of the “before I sputter out” song. ;-)(Novocaine for the Soul)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8049974",
"author": "IIVQ",
"timest... | 1,760,371,763.933555 | ||
https://hackaday.com/2024/10/12/remembering-john-wheeler-youve-definitely-heard-of-his-work/ | Remembering John Wheeler: You’ve Definitely Heard Of His Work | Donald Papp | [
"Science"
] | [
"physics",
"Wheeler"
] | Physicist John Archibald Wheeler made groundbreaking contributions to physics, and [Amanda Gefter] has
a fantastic writeup about the man
. He was undeniably brilliant, and if you haven’t heard of him, you have certainly heard of some of his students, not to mention his work.
Ever heard of wormholes? Black holes? How ab... | 9 | 5 | [
{
"comment_id": "8049843",
"author": "Charles Springer",
"timestamp": "2024-10-12T23:08:33",
"content": "What prompted this story? Someone tried to pick up a copy of “Gravitation” and is in the hospital?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8050005... | 1,760,371,764.019737 | ||
https://hackaday.com/2024/10/12/cockroaches-in-space-waste-processing-and-a-healthy-protein-source-combined/ | Cockroaches In Space: Waste Processing And A Healthy Protein Source Combined | Maya Posch | [
"Space"
] | [
"cockroach",
"insect protein",
"space travel"
] | As the current frontier of humanity in space, the International Space Station is heavily reliant on Earth not only for fresh supplies but also as a garbage disposal service for the various types of waste produced on the ISS by its human occupants. As future manned missions take humans further away from Earth, finding w... | 51 | 29 | [
{
"comment_id": "8049730",
"author": "The Mighty Buzzard",
"timestamp": "2024-10-12T20:28:39",
"content": "Pick a different insect and maybe. The only way cockroaches could ever factor into my diet is if they’re fed to fish that I then ate though. I’d rather fatten up before liftoff and just not eat... | 1,760,371,764.167003 | ||
https://hackaday.com/2024/10/12/approximating-an-adc-with-successive-approximation/ | Approximating An ADC With Successive Approximation | Al Williams | [
"LED Hacks",
"Parts"
] | [
"analog to digital",
"successive approximation"
] | [Igor] made a VU meter with LEDs using 8 LEDs and 8 comparators. This is a fast way to get one of 8 bits to indicate an input voltage, but that’s only the equivalent of a 3-bit analog to digital converter (ADC). To get more bits, you have to use a smarter technique, such as successive approximation. He shows a chip tha... | 17 | 10 | [
{
"comment_id": "8049618",
"author": "alialiali",
"timestamp": "2024-10-12T17:28:57",
"content": "Omw of those things I feel “I know all about” but didn’t really know how it worked.I wonder how hard it would be to add a capture and hold circuit? Presumably that could be as simple as a capacitor you ... | 1,760,371,764.221556 | ||
https://hackaday.com/2024/10/12/if-you-cant-say-anything-nice/ | If You Can’t Say Anything Nice | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"be nice",
"comments",
"newsletter"
] | [Editor’s Note: After we posted this, we got hit by a comment-report attack, and about 1,000 (!) comments across the whole site got sent back into the moderation queue on Saturday. We’ve since re-instated them all, but that took a lot of work.
About halfway down the comments in this article, the majority of comments ar... | 398 | 50 | [
{
"comment_id": "8049471",
"author": "Squirrel",
"timestamp": "2024-10-12T14:04:40",
"content": "I see where this is headed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8049541",
"author": "Thomaszo",
"timestamp": "2024-10-12T15:49:49",
... | 1,760,371,764.528241 | ||
https://hackaday.com/2024/10/12/have-you-heard-of-the-liquid-powder-display/ | Have You Heard Of The Liquid Powder Display? | Jenny List | [
"Parts",
"Reverse Engineering"
] | [
"e-ink",
"lcd",
"liquid powder display"
] | Over the decades the technology behind flat panel displays has continuously evolved, and we’ve seen many of them come and go. Among the popular ones there are a few that never quite made the big time, usually because a contemporary competitor took their market.
An example is in a recent [Wenting Zhang] video
, a myster... | 10 | 5 | [
{
"comment_id": "8049423",
"author": "Prfesser",
"timestamp": "2024-10-12T11:28:48",
"content": "Etch-A-Sketch: the original liquid powder display.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8049460",
"author": "weiman",
"timestamp": "2024-10-12T13... | 1,760,371,764.575371 | ||
https://hackaday.com/2024/10/12/whats-your-swr-are-you-sure/ | What’s Your SWR? Are You Sure? | Al Williams | [
"Radio Hacks"
] | [
"ham radio",
"swr"
] | If you are involved in any sort of radio transmission, you probably have at least heard of SWR or standing wave ratio. Most transmitters can measure it these days and most ham radio operators have tuners that measure it, also. But what are you measuring? [KI8R] points out that if your coax has loss — and what coax does... | 11 | 6 | [
{
"comment_id": "8049383",
"author": "ExploWare",
"timestamp": "2024-10-12T08:45:59",
"content": "[Quote]if your coax loses half the voltage, you need new coax[/quote]… or are working on really long lines, which is really not that bad if you know what,you’re working with",
"parent_id": null,
... | 1,760,371,764.670533 | ||
https://hackaday.com/2024/10/10/supercon-2023-receiving-microwave-signals-from-deep-space-probes/ | Supercon 2023: Receiving Microwave Signals From Deep-Space Probes | Lewin Day | [
"cons",
"Hackaday Columns",
"Space"
] | [
"2023 Hackaday Supercon",
"2023 Hackaday Superconference",
"antenna",
"Deep Space Network",
"dish",
"DSN",
"Juno",
"nasa",
"radio",
"software-defined radio",
"space",
"spectrogram"
] | Here’s the thing about radio signals. There is wild and interesting stuff just getting beamed around all over the place. Phrased another way, there are beautiful signals everywhere for those with ears to listen. We go about our lives oblivious to most of them, but some dedicate their time to teasing out and capturing t... | 5 | 3 | [
{
"comment_id": "8049026",
"author": "UT",
"timestamp": "2024-10-11T01:49:39",
"content": "How is SpaceX allowed to encrypt their telemetry? They get a large amount of public federal funding, they should be mandated to keep everything open.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,764.623589 | ||
https://hackaday.com/2024/10/10/photochromic-dye-makes-up-this-novel-optical-memristor/ | Photochromic Dye Makes Up This Novel Optical Memristor | Dan Maloney | [
"Parts",
"Tech Hacks"
] | [
"405nm",
"532",
"laser",
"memristor",
"photochromic"
] | Despite being much in the zeitgeist lately, we have to confess to still being a bit foggy about exactly what memristors are. The “mem” part of their name seems to be the important bit, implying a memory function, but the rest of the definition seems somewhat negotiable — enough so that you can
make a memristor from a b... | 20 | 6 | [
{
"comment_id": "8048850",
"author": "Markus Bindhammer",
"timestamp": "2024-10-10T16:28:48",
"content": "One correction: It’s not a one-bit memory. Actually you can store many states of illuminance.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8049108",
... | 1,760,371,764.726899 | ||
https://hackaday.com/2024/10/10/meet-the-optical-data-format-youve-never-heard-of-before/ | Meet The Optical Data Format You’ve Never Heard Of Before | Lewin Day | [
"Featured",
"History",
"Interest",
"Retrocomputing",
"Slider"
] | [
"archival storage",
"archive",
"archive storage",
"fiber channel",
"optical disc",
"optical disc archive",
"optical disc storage",
"sony"
] | You consider yourself a power user. You’ve got lots of files, and damn it, you like to keep them backed up. Around a decade ago, you gave up on burning optical discs, and switched to storing your files on portable hard drives. One local, one off-site, and a cloud backup just to be sure. You’re diligent for a home gamer... | 80 | 31 | [
{
"comment_id": "8048812",
"author": "clancydaenlightened",
"timestamp": "2024-10-10T14:27:19",
"content": "Well you have uva, uvb, uvcWith a uv laser Now your Xbox and PlayStation can just fit the game completed, without adding half a terabyte of patches and updatesActually get the completed softwa... | 1,760,371,764.939594 | ||
https://hackaday.com/2024/10/10/the-internet-archive-has-been-hacked/ | The Internet Archive Has Been Hacked | Lewin Day | [
"News",
"Security Hacks"
] | [
"hack",
"internet archive",
"news"
] | There are a great many organizations out there, all with their own intentions—some selfish, some selfless, some that land somewhere in between. Most would put the Internet Archive in the category of the library—with its aim of preserving and providing knowledge for the aid of all who might call on it. Sadly, as [theres... | 33 | 18 | [
{
"comment_id": "8048769",
"author": "Andrzej",
"timestamp": "2024-10-10T12:50:33",
"content": "Obligatory reference to xkcd #2347",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8048774",
"author": "Barefoot",
"timestamp": "2024-10-10T13:12:1... | 1,760,371,765.007129 | ||
https://hackaday.com/2024/10/10/wimbledon-goes-automated/ | Wimbledon Goes Automated | Al Williams | [
"News"
] | [
"sports",
"tennis",
"wimbledon"
] | When you think of tennis, you probably think of Wimbledon, the All England Club’s famous competition that has run for 147 years. Part of that history has always been line judges who call the ball in or out, sometimes to the ire of players and fans alike. But line judges will be no more at Wimbledon. They are moving to
... | 4 | 3 | [
{
"comment_id": "8048719",
"author": "zoenagy3466",
"timestamp": "2024-10-10T08:44:12",
"content": "There should be a time limit how long people waste time on each match, like on soccer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8048729",
"author": "Z... | 1,760,371,765.044386 | ||
https://hackaday.com/2024/10/09/the-punched-card-detective/ | The Punched Card Detective | Al Williams | [
"Retrocomputing"
] | [
"hollerith",
"Punched Card"
] | [John Graham-Cumming] might not be the first person to thumb through an old book and
find an IBM punched card
inside. But he might be the first to actually track down the origin of the cards. Admittedly, there were clues. The book was a Portuguese book about computers from the 1970s. The cards also had a custom logo on... | 31 | 20 | [
{
"comment_id": "8048713",
"author": "Hans",
"timestamp": "2024-10-10T08:01:49",
"content": "Ha! I have seen only unpunched cards, and for some reason always presumed that they were used to represent binary code, 10 bits per byte/word. “Big numbers they knew back then” I thought… Luckily wikipedia g... | 1,760,371,765.117882 | ||
https://hackaday.com/2024/10/09/on-site-viral-rna-detection-in-wastewater-with-paper-and-wax-microfluidics/ | On-Site Viral RNA Detection In Wastewater With Paper And Wax Microfluidics | Maya Posch | [
"Science"
] | [
"coronavirus",
"PCR"
] | Schematic version of on-site wastewater analysis using the microfluidic strips (Credit: Yuwei Pan et al., Cell, 2024)
Wastewater sampling has become a popular way over the years to keep track of the health of a population, including human ones, as pathogens are often detectable in the effluence from toilets. Since most... | 4 | 1 | [
{
"comment_id": "8048770",
"author": "robert",
"timestamp": "2024-10-10T12:54:37",
"content": "PCR can have a very high false positive rate, often it can be too sensitive to be useful. The designers of this will need to be very careful in terms of the number of amplification cycles they use, lest th... | 1,760,371,765.16376 | ||
https://hackaday.com/2024/10/11/are-crt-tvs-important-for-retro-gaming/ | Are CRT TVs Important For Retro Gaming? | Dave Rowntree | [
"Games",
"Retrocomputing"
] | [
"240p",
"480i",
"analog",
"crt",
"gaming",
"interlacing",
"nes",
"retro",
"snes"
] | We always thought the older console games looked way better back in the day on old CRTs than now on a modern digital display. [Stephen Walters] thinks so too, and goes into
extensive detail in a lengthy YouTube video
about the pros and cons of CRT vs digital, which was totally worth an hour of our time. But are CRTs
ne... | 51 | 19 | [
{
"comment_id": "8049380",
"author": "Dude",
"timestamp": "2024-10-12T08:11:01",
"content": "This is a perennial topic, and it always fails on one point: CRT TVs evolved over time, so the games would look “right” on one kind of TV and the effect would fail on another. Different phosphor masks, RF mo... | 1,760,371,765.256955 | ||
https://hackaday.com/2024/10/11/pc-floppy-copy-protection-vault-corporation-prolok/ | PC Floppy Copy Protection: Vault Corporation Prolok | Jenny List | [
"Retrocomputing"
] | [
"copy protection",
"Prolok",
"software piracy"
] | In the 2020s we’re used to software being readily accessible, and often free, whether as-in-beer or as-in-speech. This situation is a surprisingly new one, and in an earlier era of consumer software it was most often an expensive purchase. An anti-piracy industry sprang up as manufacturers tried to protect their produc... | 7 | 4 | [
{
"comment_id": "8049350",
"author": "KDawg",
"timestamp": "2024-10-12T03:44:10",
"content": "Ashton-Tate, oh yeah that heavy handed garbage disposal that everyone talks about today because they provided lots of value for money",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,371,765.591016 | ||
https://hackaday.com/2024/10/11/repairing-a-component-on-a-flex-connector/ | Repairing A Component On A Flex Connector | Al Williams | [
"Repair Hacks"
] | [
"flex PCB",
"smd",
"smd fix"
] | It used to be you could crack open a TV or radio and really work on the components inside. The smallest thing in there was maybe a disc capacitor a little smaller than your pinky’s nail. Nowadays, consumer electronic boards are full of tiny SMD components. Luckily [StezStix Fix?] has a microscope and the other tools yo... | 15 | 6 | [
{
"comment_id": "8049306",
"author": "Peter Puffer",
"timestamp": "2024-10-11T23:31:03",
"content": "There’s no law that prohibits people from using CRT TV. To receive digital TV you can buy special converters on AliExpress. In fact CRTs are better because they have full viewing angles and better co... | 1,760,371,765.819341 | ||
https://hackaday.com/2024/10/11/how-to-make-conductive-tin-oxide-coatings-on-glass/ | How To Make Conductive Tin Oxide Coatings On Glass | Lewin Day | [
"Misc Hacks"
] | [
"coating",
"glass",
"glass coating",
"tin oxide"
] | Glass! It’s, uh, not very conductive. And sometimes we like that! But other times, we want glass to be conductive. In that case, you might want to give the glass a very fine coating of tin oxide.
[Vik Olliver] has been working on just that,
in hopes he can make a conductive spot on a glass printing bed in order to use ... | 19 | 11 | [
{
"comment_id": "8049251",
"author": "The Mighty Buzzard",
"timestamp": "2024-10-11T20:14:07",
"content": "Silver. It’s much more conductive than tin and can be deposited in transparent films as well.Yes, it’s more expensive but in the miniscule amounts we’re talking that’s not really a factor.",
... | 1,760,371,765.719844 | ||
https://hackaday.com/2024/10/11/c64-gets-a-graphics-upgrade-courtesy-of-your-favorite-piano-manufacturer/ | C64 Gets A Graphics Upgrade Courtesy Of Your Favorite Piano Manufacturer | Lewin Day | [
"Retrocomputing"
] | [
"c64",
"commodore",
"commodore 64",
"gpu",
"graphics card",
"yamaha"
] | The Commodore 64 was quite a machine in its time, though a modern assessment would say that it’s severely lacking in the graphical department. [Vossi] has whipped up a bit of an upgrade for the C64 and C128, in the form of
a graphics expansion card running Yamaha hardware
.
As you might expect, the expansion is designe... | 38 | 13 | [
{
"comment_id": "8049271",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-10-11T21:22:25",
"content": "Steinway and Sons makes graphics chips?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8049358",
"author": "wrzwicky",
... | 1,760,371,765.665674 | ||
https://hackaday.com/2024/10/11/hackaday-podcast-episode-292-stainless-steel-benchies-lego-turing-machines-and-a-digital-camera-made-of-pure-diy/ | Hackaday Podcast Episode 292: Stainless Steel Benchies, Lego Turing Machines, And A Digital Camera Made Of Pure DIY | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Here we are in October, improbably enough, and while the leaves start to fall as the goblins begin to gather, Elliot and Dan took a break from the madness to talk about all the wonderful hacks that graced our pages this week. If there was a theme this week, it was long-term projects, like the multiple years one hacker ... | 0 | 0 | [] | 1,760,371,765.762483 | ||
https://hackaday.com/2024/10/11/the-uss-new-nuclear-weapons-mysterious-fogbanks-and-inertial-confinement-fusion/ | The US’s New Nuclear Weapons, Mysterious Fogbanks And Inertial Confinement Fusion | Maya Posch | [
"Science",
"Weapons Hacks"
] | [
"aerogel",
"thermonuclear"
] | Keeping the United States’ nuclear arsenal ready for use is an ongoing process, one which is necessarily shrouded in complete secrecy. In
an article
by
The War Zone
these developments and the secrets behind it are touched upon, including a secret ingredient for these thermonuclear warheads that is only officially known... | 52 | 13 | [
{
"comment_id": "8049181",
"author": "Peter Puffer",
"timestamp": "2024-10-11T15:58:11",
"content": "If you’re looking for an interesting read on nuclear weapons check out “Broń Jądrowa” by Jerzy Kubowski ISBN: 9788320433869. His book on NPPs “Elektrownie Jądrowe” ISBN: 9788301193560 is pretty go... | 1,760,371,765.92159 | ||
https://hackaday.com/2024/10/11/this-week-in-security-the-internet-archive-glitching-with-a-lighter-and-firefox-in-the-wild/ | This Week In Security: The Internet Archive, Glitching With A Lighter, And Firefox In-the-wild | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"firefox",
"HIBP",
"internet archive",
"This Week in Security"
] | The Internet Archive
has been hacked
. This is an ongoing story, but it looks like this started
at least as early as September 28
, while the site itself was showing a creative message on October 9th, telling visitors they should be watching for their email addresses to show up on Have I Been Pwnd.
Hi folks, yes, I'm a... | 7 | 4 | [
{
"comment_id": "8049166",
"author": "zoenagy3466",
"timestamp": "2024-10-11T14:54:17",
"content": "US is not allowed to talk about ESET anymore..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8049232",
"author": "Jonathan Bennett",
"timesta... | 1,760,371,766.103286 | ||
https://hackaday.com/2024/10/11/easily-program-rp2040-boards-with-your-android-device/ | Easily Program RP2040 Boards With Your Android Device | Lewin Day | [
"Android Hacks",
"Software Development"
] | [
"CircuitPython",
"micropython",
"rp2040"
] | You could write your microcontroller code on your desktop PC, or you could do it on your laptop on the go. Or, if you want to get really portable about things, you could write your embedded code on your phone. Enter
DroidScript.
Basically, DroidScript is a JavaScript and Python IDE for Android phones and tablets. Simpl... | 8 | 6 | [
{
"comment_id": "8049119",
"author": "Sword",
"timestamp": "2024-10-11T11:44:37",
"content": "Hmm I wonder if Droidscript can initiate a serial connection with the board via pyserial.It’s a pita to get a serial connection with termux",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,765.969227 | ||
https://hackaday.com/2024/10/11/tiny-drones-do-distributed-mapping/ | Tiny Drones Do Distributed Mapping | Danie Conradie | [
"drone hacks"
] | [
"crazyflie",
"SLAM",
"TOF",
"ultra wideband"
] | Sending teams of tiny drones to explore areas and structures is a staple in sci-fi and research, but the weight and size of sensors and the required processing power have long been a limiting factor. In the video below, a research team from [ETH Zurich] breaks through these limits, demonstrating
indoor mapping with a s... | 12 | 5 | [
{
"comment_id": "8049092",
"author": "Daniel",
"timestamp": "2024-10-11T08:59:27",
"content": "Are TOF cameras really considered to be LIDAR devices?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8049102",
"author": "m",
"timestamp": "2024-1... | 1,760,371,766.019805 | ||
https://hackaday.com/2024/10/10/symbolic-nixie-tubes-become-useful-for-artistic-purposes/ | Symbolic Nixie Tubes Become Useful For Artistic Purposes | Lewin Day | [
"classic hacks"
] | [
"in-7",
"in7",
"nixie",
"nixie tube"
] | When it comes to Nixie tubes, the most common usage these days seems to be in clocks. That has people hunting for the numerical version of the tubes, which are usually paired with a couple of LEDs to make the colon in the middle of the clock. However, other Nixie tubes exist, like the IN-7, which has a whole bunch of n... | 2 | 1 | [
{
"comment_id": "8049135",
"author": "alnwlsn",
"timestamp": "2024-10-11T13:08:58",
"content": "I use symbol nixies in place of the seconds for some of my clocks. It’s more interesting to look at, and I usually don’t care what the actual seconds are.",
"parent_id": null,
"depth": 1,
"rep... | 1,760,371,766.055138 | ||
https://hackaday.com/2024/10/10/sailing-the-high-steppes/ | Sailing The High Steppes | Navarre Bartz | [
"Transportation Hacks"
] | [
"land sail",
"land sailing",
"Mongolia",
"sail cart",
"sailing"
] | Sails typically bring to mind the high seas, but wind power has been used to move craft on land as well. Honoring this rich tradition, [Falcon Riley] and [Amber Word] decided to sail across Mongolia in “
Moby the Land Sailing vessel.
”
Built in a mere three days from $200 in materials they were able to scrounge up the ... | 29 | 12 | [
{
"comment_id": "8049032",
"author": "Chris Pepin",
"timestamp": "2024-10-11T02:23:49",
"content": "Not fast by powered vehicle standards, but WAY faster if the choice was build a sail cart or walk the entire distance.",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,371,766.418814 |
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