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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2024/11/21/quick-and-very-dirty-repair-gets-smoked-plc-back-in-the-game/ | Quick And Very Dirty Repair Gets Smoked PLC Back In The Game | Dan Maloney | [
"Repair Hacks"
] | [
"arc flash",
"fr4",
"omron",
"plasma",
"plc",
"programmable logic controller",
"relay"
] | When electronics release the Magic Smoke, more often than not it’s a fairly sedate event. Something overheats, the packaging gets hot enough to emit that characteristic and unmistakable odor, and wisps of smoke begin to waft up from the defunct component. Then again, sometimes the Magic Smoke is more like the Magic Pla... | 11 | 5 | [
{
"comment_id": "8064930",
"author": "Rick",
"timestamp": "2024-11-22T09:50:47",
"content": "And now for the obligatory ….He should have just used a 555",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8064957",
"author": "Jii",
"timestamp": "2024-11-22T... | 1,760,371,722.924486 | ||
https://hackaday.com/2024/11/21/creating-and-control-of-magnetic-skyrmions-in-ferromagnetic-film-demonstrated/ | Creating And Control Of Magnetic Skyrmions In Ferromagnetic Film Demonstrated | Maya Posch | [
"Science"
] | [
"ferromagnetic",
"skyrmion",
"spintronics"
] | Visualization of magnetic skyrmions. (Credit: KRISS)
Magnetic skyrmions are stable quasi-particles that can be generated in (some) ferromagnetic materials with conceivable solutions in electronics, assuming they can be created and moved at will. The creation and moving of such skyrmions has now been demonstrated by
[Yu... | 23 | 6 | [
{
"comment_id": "8064885",
"author": "Gravis",
"timestamp": "2024-11-22T05:28:04",
"content": "My trypophobia!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8064916",
"author": "aki009",
"timestamp": "2024-11-22T07:37:18",
"content": "How about th... | 1,760,371,723.306699 | ||
https://hackaday.com/2024/11/21/gear-up-a-15-minute-intro-on-involute-gears/ | Gear Up: A 15-Minute Intro On Involute Gears | Heidi Ulrich | [
"cnc hacks",
"hardware",
"Misc Hacks",
"Parts"
] | [
"gear",
"introduction",
"involute gear"
] | If you’re into CNC machining, mechanical tinkering, or just love a good engineering rabbit hole, you’re in for a treat. Substack’s [lcamtuf] has written
a quick yet insightful 15-minute introduction to involute gears
that’s as informative as it is accessible. You can find the full article here. Compared to Hackaday’s
m... | 10 | 5 | [
{
"comment_id": "8064834",
"author": "Maggie",
"timestamp": "2024-11-22T00:58:02",
"content": "Keep in mind Lcamtuf is an ex-googler and software engineer. While his writings are probably correct, they’re not based on practice. If you need a proper reference, grab an actual textbook. “Machine Design... | 1,760,371,722.824187 | ||
https://hackaday.com/2024/11/21/custom-mouse-rocks-neat-thumbstick-design/ | Custom Mouse Rocks Neat Thumbstick Design | Lewin Day | [
"Misc Hacks"
] | [
"mouse",
"pointing device"
] | A mouse is just two buttons, and a two-dimensional motion tracking system, right? Oh, and a scroll wheel. And a third button. And…now you’re realizing that mice can be pretty complicated. [DIY Yarik] proves that in spades
with his impressive—and complex—mouse build
. The only thing is, you might argue it isn’t
really
a... | 20 | 6 | [
{
"comment_id": "8064768",
"author": "limroh",
"timestamp": "2024-11-21T22:28:49",
"content": "Not even trackballs are “mice” but you’re calling this joystick adjacent contraption a mouse?Are digitizer pens or touchscreens mice too?!This maybe a crossover between joystick and nipple but not a mouse.... | 1,760,371,722.991869 | ||
https://hackaday.com/2024/11/21/free-wili-turns-dc32-badge-into-hardware-dev-tool/ | FREE-WILi Turns DC32 Badge Into Hardware Dev Tool | Tom Nardi | [
"Tool Hacks"
] | [
"badgelife",
"DC32",
"DEFCON 32",
"electronic badge",
"sao"
] | With few exceptions, electronic event badges are often all but forgotten as soon as the attendee gets back home. They’re a fun novelty for the two or three days they’re expected to be worn, but after that, they end up getting tossed in a drawer (or worse.) As you might imagine, this can be a somewhat depressing thought... | 14 | 3 | [
{
"comment_id": "8064688",
"author": "Dmitry Grinberg",
"timestamp": "2024-11-21T19:41:00",
"content": "They are quite wrong on IR.The badge has an IRDa sensor. This is not directly compatible with IR Remote devices (although IR Transmit works)This is 100% nonsense. IR remote (aka CIR) is IR modulat... | 1,760,371,723.613253 | ||
https://hackaday.com/2024/11/21/usb-c-for-hackers-reusing-cables/ | USB-C For Hackers: Reusing Cables | Arya Voronova | [
"Hackaday Columns",
"hardware",
"Slider"
] | [
"cable",
"hack",
"reuse",
"USB C"
] | Your project needs a cable, and since USB-C cables are omnipresent now, it’s only natural to want to reuse them for your evil schemes. Ever seen USB 3.0 cables used for PCIe link carrying duty? It’s because USB 3.0 cables are built to a reasonably high standard, both sockets and cables are easy to find, and they’re che... | 83 | 15 | [
{
"comment_id": "8064656",
"author": "David",
"timestamp": "2024-11-21T18:24:25",
"content": "Members of the Evil League of Evil only use cursed cables for my evil schemes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8064662",
"author": "Dan",
"time... | 1,760,371,723.55123 | ||
https://hackaday.com/2024/11/21/theres-now-a-wiki-for-hacking-redbox-machines/ | There’s Now A Wiki For Hacking Redbox Machines | Lewin Day | [
"Current Events"
] | [
"dvd",
"redbox",
"rental"
] | With the rapidly evolving situation surrounding the Redbox vending machines still out in the wild, it’s about time somebody put together a Wiki to keep it all straight.
The
un
redbox wiki has information
on the various different hardware revisions that Redbox put out into the wild, from the regular outdoor machines to ... | 11 | 4 | [
{
"comment_id": "8064622",
"author": "Jii",
"timestamp": "2024-11-21T17:26:28",
"content": "Now someone just needs to invent a very thin and strong sammich to replace the DVDs.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8064627",
"author": "DC",
... | 1,760,371,722.873438 | ||
https://hackaday.com/2024/11/21/blended-wing-body-passenger-airplanes-and-the-end-of-winged-tubes/ | Blended Wing Body Passenger Airplanes And The End Of Winged Tubes | Maya Posch | [
"Engineering",
"Featured",
"Interest",
"Science",
"Slider"
] | [
"airplanes",
"blended wing body",
"flying wing",
"lifting body"
] | The SR-71 with its blended wing body design. (Photo by Tech. Sgt. Michael Haggerty, US Air Force, 1988)
Ask someone to picture an airplane and they’re likely to think of what is essentially a tube with wings and a stabilizing tail tacked onto one end of said tube. Yet it is also no secret that the lift produced by such... | 69 | 29 | [
{
"comment_id": "8064546",
"author": "Panondorf",
"timestamp": "2024-11-21T15:09:26",
"content": "They will probably cram them just as tightly.So now, if the person on the outside edge gets up for some reason they won’t be climbing over 2 people but more like 15-20 people.Also, nobody is getting out... | 1,760,371,723.243848 | ||
https://hackaday.com/2024/11/21/measuring-the-mighty-roar-of-spacexs-starship-rocket/ | Measuring The Mighty Roar Of SpaceX’s Starship Rocket | Tom Nardi | [
"Science",
"Space"
] | [
"acoustics",
"sls",
"Space Launch System",
"SpaceX",
"starship"
] | SpaceX’s Starship is the most powerful launch system ever built, dwarfing even the mighty Saturn V both in terms of mass and total thrust. The scale of the vehicle is such that concerns have been raised about the impact each launch of the megarocket may have on the local environment. Which is why a team from Brigham Yo... | 46 | 11 | [
{
"comment_id": "8064512",
"author": "Joshua",
"timestamp": "2024-11-21T12:40:33",
"content": "“SpaceX’s Starship is the most powerful launch system ever built, dwarfing even the mighty Saturn V both in terms of mass and total thrust. ”https://en.wikipedia.org/wiki/N1_(rocket)http://www.astronautix.... | 1,760,371,723.07618 | ||
https://hackaday.com/2024/11/21/simple-hydrogen-generator-makes-bubbles-and-looks-cool/ | Simple Hydrogen Generator Makes Bubbles And Looks Cool | Lewin Day | [
"Science"
] | [
"electrolysis",
"gas generator",
"hydrogen"
] | Hydrogen! It’s a highly flammable gas that seems way too cool to be easy to come by. And yet, it’s actually trivial to make it out of water if you know how. [Maciej Nowak] has shown us
how to do just that with his latest build.
The project in question is a simple hydrogen generator that relies on the
electrolysis of wa... | 18 | 7 | [
{
"comment_id": "8064483",
"author": "David Given",
"timestamp": "2024-11-21T10:06:41",
"content": "Just be aware that if you don’t separate out the hydrogen and oxygen, what you get is a stoichiometrically ideal explosive mixture of the two gases, and it’s hugely dangerous. Pure hydrogen is pretty ... | 1,760,371,723.135389 | ||
https://hackaday.com/2024/11/20/simple-stack-of-ferrites-shows-how-fluxgate-magnetometers-work/ | Simple Stack Of Ferrites Shows How Fluxgate Magnetometers Work | Dan Maloney | [
"Misc Hacks"
] | [
"ferrite",
"fluxgate",
"magnetics",
"magnetometer"
] | Have you ever wondered how a magnetometer works? We sure have, which was why we were happy to stumble upon
this article on simple homebrew fluxgate magnetometers
.
As [Maurycy] explains, clues to how a fluxgate magnetometer works can be found right in the name. We all know what happens when a current is applied to a co... | 8 | 4 | [
{
"comment_id": "8064445",
"author": "Avishay",
"timestamp": "2024-11-21T07:31:42",
"content": "Am I the only one seeing a dead cockroach lying on the table?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8064470",
"author": "make piece not war",
... | 1,760,371,723.662886 | ||
https://hackaday.com/2024/11/20/stepping-on-lego-for-science/ | Stepping On LEGO For Science | Kristina Panos | [
"Toy Hacks"
] | [
"ballistic gel",
"brittle brown",
"caltrop",
"lego"
] | You might say that the worst LEGO to step on is any given piece that happens to get caught underfoot, but have you ever thought about what the worst one would really be? For us, those little caltrops come to mind most immediately, and we’d probably be satisfied with believing that was the answer. But not [Nate Scovill]... | 34 | 11 | [
{
"comment_id": "8064394",
"author": "Garth",
"timestamp": "2024-11-21T03:05:35",
"content": "Japan is building giant Legos to put around their cities not to stop Tsunamis but to protect against the next Godzilla attack.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,371,723.746197 | ||
https://hackaday.com/2024/11/20/a-tube-stereo-amplifier-from-scratch/ | A Tube Stereo Amplifier, From Scratch | Jenny List | [
"home entertainment hacks"
] | [
"audio",
"tube amplifier",
"tube audio"
] | A conventional tube amplifier has a circuit whose fundamentals were well in place around a hundred years ago, so there are few surprises to be found in building one today. Nevertheless, building one is still a challenge, as [Mike Freda shows us
with a stereo amplifier
in the video below the break.
The tubes in question... | 17 | 7 | [
{
"comment_id": "8064370",
"author": "craig",
"timestamp": "2024-11-21T01:18:18",
"content": "I’m usually the first to be frustrated by a linked video but this one was excellent and very much worth watching. Take-aways: a modestly equipped shop and hand tools can lead to great results. I don’t know ... | 1,760,371,723.798179 | ||
https://hackaday.com/2024/11/20/a-cyberpunk-pocketwatch/ | A Cyberpunk Pocketwatch | Navarre Bartz | [
"clock hacks"
] | [
"cyberpunk",
"horology",
"Lock'n'Watch",
"pocket watch",
"timekeeping",
"watch"
] | For a time, pocketwatches were all the rage, but they were eventually supplanted by the wristwatch. [abe] built this
cyberpunk Lock’n’Watch
to explore an alternate history for the once trendy device.
The build was inspired by the chunky looks of Casio sport watches and other plastic consumer electronics from the 1980s ... | 20 | 7 | [
{
"comment_id": "8064302",
"author": "Joshua",
"timestamp": "2024-11-20T22:13:46",
"content": "Is it water-proof?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8064308",
"author": "scott_tx",
"timestamp": "2024-11-20T22:33:38",
"cont... | 1,760,371,724.178522 | ||
https://hackaday.com/2024/11/20/floss-weekly-episode-810-a-rising-wallet-pays-for-all-boats/ | FLOSS Weekly Episode 810: A Rising Wallet Pays For All Boats | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"FLOSS Weekly",
"linux",
"raspberry pi"
] | This week,
Jonathan Bennett
,
Randal Schwartz
, and
Aaron Newcomb
chat about Linux, the challenges with using system modules like the Raspberry Pi, challenges with funding development, and more!
Did you know you can watch the live recording of the show Right on
our YouTube Channel
? Have someone you’d like us to interv... | 2 | 2 | [
{
"comment_id": "8064300",
"author": "mista4a",
"timestamp": "2024-11-20T22:10:06",
"content": "I think title is wrong. Pi4j was last week",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8064346",
"author": "Jonathan Bennett",
"timestamp": "2024-11-21T0... | 1,760,371,724.217694 | ||
https://hackaday.com/2024/11/20/if-life-gives-you-lemons-build-this-lemontron/ | If Life Gives You Lemons, Build This Lemontron | Heidi Ulrich | [
"3d Printer hacks",
"Tool Hacks"
] | [
"3d printer",
"journeymaker",
"kralyn",
"lemontron",
"portable 3D printer",
"positron printer"
] | What if your 3D printer could fit in a box of filament but still rival the build plate size of heavyweights? Enter the Lemontron, a free and open source portable printer making waves in the maker community for its compact form factor and budget-friendly price.
Watch [James]’ video on his build story here
. Built around... | 12 | 2 | [
{
"comment_id": "8064280",
"author": "Maggie",
"timestamp": "2024-11-20T21:02:31",
"content": "If life gives you lemons, have a lemonparty!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8064391",
"author": "Bunsen",
"timestamp": "2024-11-21T... | 1,760,371,724.380707 | ||
https://hackaday.com/2024/11/20/with-core-one-prusas-open-source-hardware-dream-quietly-dies/ | With Core ONE, Prusa’s Open Source Hardware Dream Quietly Dies | Tom Nardi | [
"3d Printer hacks",
"Current Events",
"Featured",
"Slider"
] | [
"MK4S",
"open source hardware",
"oshw",
"prusa",
"Prusa Core ONE"
] | Yesterday, Prusa Research officially unveiled their next printer, the Core ONE. Going over the features and capabilities of this new machine, it’s clear that Prusa has kept a close eye on the rapidly changing desktop 3D printer market and designed a machine to better position themselves within a field of increasingly c... | 151 | 38 | [
{
"comment_id": "8064225",
"author": "Stappers",
"timestamp": "2024-11-20T18:59:25",
"content": "Best “buyer beware” notice I have seen in a looonng time.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8065377",
"author": "Jon Bonte",
"timest... | 1,760,371,724.620463 | ||
https://hackaday.com/2024/11/18/hacking-haptics-the-19-sensor-patch-bringing-touch-to-life/ | Hacking Haptics: The 19-Sensor Patch Bringing Touch To Life | Heidi Ulrich | [
"News",
"Wearable Hacks"
] | [
"feedback",
"haptic",
"haptics",
"hexagonal",
"patch",
"sensory",
"tactile feedback",
"touch",
"wearable"
] | On November 6th, Northwestern University introduced a groundbreaking leap in haptic technology, and it’s worth every bit of attention now, even two weeks later. Full details are
in their original article
. This innovation brings tactile feedback into the future with a hexagonal matrix of 19 mini actuators embedded in a... | 14 | 5 | [
{
"comment_id": "8063673",
"author": "threeve",
"timestamp": "2024-11-19T03:11:29",
"content": "I don’t know why hexagonal things attached to your skin always freak me out a little. Maybe it’s because on a passing glance, you might think you have had bees installed on you.",
"parent_id": null,
... | 1,760,371,724.270564 | ||
https://hackaday.com/2024/11/18/a-very-fast-camera-slider-for-the-glam-shot/ | A Very Fast Camera Slider For The Glam Shot | Danie Conradie | [
"digital cameras hacks"
] | [
"camera gimbal",
"camera slider",
"high-speed video camera"
] | High-speed photography with the camera on a fast-moving robot arm has become all the rage at red-carpet events, but this GlamBOT setup comes with a hefty price tag. To get similar visual effects on a much lower budget [Henry Kidman] built a
large, very fast camera slider
. As is usually the case with such projects, it’... | 7 | 1 | [
{
"comment_id": "8063620",
"author": "Bobtato",
"timestamp": "2024-11-19T00:20:25",
"content": "This is my first time thinking about it, but my immediate thought would be, if the camera’s moving that fast, then it doesn’t need to be supported; you could just throw it, and rely on wires under tension... | 1,760,371,724.121025 | ||
https://hackaday.com/2024/11/18/crowdsourcing-ionosphere-data-with-phones/ | Crowdsourcing Ionosphere Data With Phones | Al Williams | [
"gps hacks",
"Science"
] | [
"atmosphere",
"ionosphere"
] | How do you collect a lot of data about the ionosphere? Well, you could use sounding rockets or specialized gear. Or maybe you can just conscript a
huge number of cell phones
. That was the approach taken by Google researchers in a recent paper in Nature.
The idea is that GPS and similar navigation satellites measure tr... | 19 | 7 | [
{
"comment_id": "8063560",
"author": "Reg",
"timestamp": "2024-11-18T21:23:23",
"content": "That’s a very nice example of huge volumes of dirty data trumping a smaller amount of better data in the right hands.The ‘anonymouization’ improves the statistics of the estimates. Needs a ham radio site t... | 1,760,371,724.323583 | ||
https://hackaday.com/2024/11/18/gloriously-impractical-overclocking-the-raspberry-pi-5-to-3-6-ghz/ | Gloriously Impractical: Overclocking The Raspberry Pi 5 To 3.6 GHz | Maya Posch | [
"Raspberry Pi"
] | [
"overclocking",
"Raspberry Pi 5"
] | The Raspberry Pi 5 board strapped to a liquid nitrogen cooler with an ElmorLabs AMPLE-X1 power board attached. (Credit: Pieter-Jan Plaisier, SkatterBencher.com)
As impractical as most overclocking of computers is these days, there is still a lot of fun to be had along the way. Case in point being [Pieter-Jan Plaisier]’... | 9 | 3 | [
{
"comment_id": "8063529",
"author": "Maggie",
"timestamp": "2024-11-18T20:19:44",
"content": "For over a decade I had C2D E8400 running stable at 3.6 GHz on stock air cooler so meh.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8063562",
"author": ... | 1,760,371,724.43322 | ||
https://hackaday.com/2024/11/18/do-you-dream-in-color/ | Do You Dream In Color? | Al Williams | [
"Featured",
"Interest",
"Rants",
"Slider"
] | [
"dreams",
"rants",
"reality"
] | According to the Sapir–Whorf hypothesis, our language influences how we think and experience the world. That’s easy to imagine. Certainly our symbolism of mathematics influences how we calculate. Can you imagine doing moderately complex math with Roman numerals or without zero or negative numbers? But recently I was re... | 87 | 33 | [
{
"comment_id": "8063474",
"author": "DMP",
"timestamp": "2024-11-18T18:06:31",
"content": "I suspect there are a lot of people wondering “You dream in pictures?”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8063702",
"author": "Ostracus",
... | 1,760,371,724.861149 | ||
https://hackaday.com/2024/11/18/exploring-the-gakken-fx-micro-computer/ | Exploring The Gakken FX Micro-Computer | Alexander Rowsell | [
"computer hacks",
"Retrocomputing",
"Software Hacks"
] | [
"computer kit",
"early computer",
"gakken",
"microcomputer trainer",
"TMS1100"
] | Early computer kits aimed at learning took all sorts of forms, from full-fledged computer kits like the Altair 8800 to the ready-made MicroBee Computer-In-A-Book. For those just wanting to dip their toes in the computing world, many low-cost computer “trainers” were released, and Japan had some awesome ones. [Jason Jac... | 13 | 8 | [
{
"comment_id": "8063470",
"author": "paulvdh",
"timestamp": "2024-11-18T18:01:20",
"content": "Back in the ’80-ies I found the Microprofessor (https://en.wikipedia.org/wiki/Micro-Professor_MPF-I) a very intriguing piece of kit. It had all sorts of extension modules, and it was also easy to make yo... | 1,760,371,724.923913 | ||
https://hackaday.com/2024/11/18/keebin-with-kristina-the-one-with-the-typo/ | Keebin’ With Kristina: The One With The Typo | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"beam spring",
"cyberdeck",
"diy trackball",
"foot keyboard",
"ibm",
"IBM 5251",
"pedals",
"portable computer",
"thicc",
"trackball",
"trackball mouse",
"typo",
"Typo typewriter"
] | Ceci n’est pas une
keyboard
, sure. But it’s keyboard-adjacent, and how. [Joshua Bemenderfer]’s wrists are tired of moving off the keyboard in order to mouse, and he
decided to create a trackball that can sit just below the Space bar
. The idea is to get rid of the regular mouse entirely if this works out.
Image by [Jo... | 15 | 5 | [
{
"comment_id": "8063432",
"author": "Paul",
"timestamp": "2024-11-18T16:03:59",
"content": "That thicc keyboard image full of easter eggs, attributed to [Kenwood1994] is actually [Kirkwood1994]. Ironically, I clicked on it because that amp looked suspiciously very close to my 1970s Kenwood, but wi... | 1,760,371,724.990759 | ||
https://hackaday.com/2024/11/20/freecad-version-1-0-released/ | FreeCAD Version 1.0 Released | Maya Posch | [
"News"
] | [
"freecad"
] | After 22 years of development,
FreeCAD has at long last reached the milestone of version 1.0
. On this momentous occasion, it’s good to remember what a version 1.0 is supposed to mean, as also highlighted in the release blog post: FreeCAD is now considered stable and ready for ‘real work’. One of the most important cha... | 35 | 9 | [
{
"comment_id": "8064190",
"author": "deL",
"timestamp": "2024-11-20T16:56:42",
"content": "MangoJelly Solutions already have a complete video course for FreeCAD v1.0:https://youtu.be/t_yh_S31R9g?si=QO3DO_q3UkjtU81QCouldn’t recommend it more highly.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,371,725.071139 | ||
https://hackaday.com/2024/11/20/boss-byproducts-calthemites-are-man-made-cave-dwellers/ | Boss Byproducts: Calthemites Are Man-Made Cave Dwellers | Kristina Panos | [
"chemistry hacks",
"Featured",
"Hackaday Columns",
"Original Art",
"Slider"
] | [
"calcium carbonate",
"calthemite",
"Chemistry",
"concrete",
"deposit",
"FlowStone",
"iron oxide",
"secondary deposit",
"stalactite",
"stalagmite"
] | Some lovely orange calthemite flowstone colored so by iron oxide from rusting steel reinforcing. Image via
Wikipedia
At this point, we’ve learned about man-made byproducts and nature-made byproducts. But how about one that’s a little of both? I’m talking about
calthemites
, which are secondary deposits that form in tho... | 6 | 4 | [
{
"comment_id": "8064172",
"author": "Velli",
"timestamp": "2024-11-20T15:54:36",
"content": "This is a sign your concrete is failing.The changes from carbonation will lead to corrosion of rebar and other reinforcing steel, spalling, cracking, opening up further weathering, and overall weakened mech... | 1,760,371,725.154831 | ||
https://hackaday.com/2024/11/20/an-animated-walkthrough-of-how-large-language-models-work/ | An Animated Walkthrough Of How Large Language Models Work | Donald Papp | [
"Artificial Intelligence",
"Software Hacks"
] | [
"ai",
"GPT",
"LLM",
"neural network",
"visualizer"
] | If you wonder how Large Language Models (LLMs) work and aren’t afraid of getting a bit technical, don’t miss
[Brendan Bycroft]’s LLM Visualization
. It is an interactively-animated step-by-step walk-through of a GPT large language model complete with animated and interactive 3D block diagram of everything going on unde... | 9 | 4 | [
{
"comment_id": "8064106",
"author": "shinsukke",
"timestamp": "2024-11-20T13:07:35",
"content": "Its all still magic to me but now the scale makes it look even more impossibly incomprehensibleThanks I guess /s",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "80... | 1,760,371,725.260868 | ||
https://hackaday.com/2024/11/20/__trashed-24/ | Junk Box Build Helps Hams With SDR | Dan Maloney | [
"Radio Hacks"
] | [
"amateur",
"dongle",
"ham",
"high pass filter",
"LC filter",
"RTL-SDR",
"sdr",
"selectivity",
"series tuned"
] | SDRs have been a game changer for radio hobbyists, but for ham radio applications, they often need a little help. That’s especially true of SDR dongles, which don’t have a lot of selectivity in the HF bands. But they’re so darn cheap and fun to play with, what’s a ham to do?
[VK3YE] has an answer, in the form of
this h... | 5 | 3 | [
{
"comment_id": "8064101",
"author": "shinsukke",
"timestamp": "2024-11-20T12:43:38",
"content": "SDRs which don’t use RTL2832U and can go above 1.7GHz are still expensive.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8064285",
"author": "Jake",
... | 1,760,371,725.201654 | ||
https://hackaday.com/2024/11/19/most-extreme-hypergravity-facility-starts-up-in-china-with-1900-times-earths-gravity/ | Most Extreme Hypergravity Facility Starts Up In China With 1,900 Times Earth’s Gravity | Maya Posch | [
"Science"
] | [
"centrifuge",
"gravity",
"hypergravity"
] | The schematic diagram of the experimental centrifuge. (Credit: Jianyong Liu et al., 2024)
Recently China’s new
CHIEF hypergravity facility came online
to begin research projects after
beginning construction in 2018
. Standing for Centrifugal Hypergravity and Interdisciplinary Experiment Facility the name covers basical... | 33 | 12 | [
{
"comment_id": "8064046",
"author": "Peter",
"timestamp": "2024-11-20T07:09:45",
"content": "Lets hope its not tofu steg",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8064084",
"author": "Gordon F.",
"timestamp": "2024-11-20T11:36:25",
"content":... | 1,760,371,725.344549 | ||
https://hackaday.com/2024/11/19/batteries-not-included-navigating-the-implants-of-tomorrow/ | Batteries Not Included: Navigating The Implants Of Tomorrow | Heidi Ulrich | [
"Battery Hacks",
"Lifehacks",
"News",
"Wearable Hacks"
] | [
"battery",
"bioelectronic implant",
"bioelectronics",
"biohacking",
"biohybrid",
"biomedic",
"body",
"implant"
] | Tinkerers and tech enthusiasts, brace yourselves: the frontier of biohacking has just expanded. Picture implantable medical devices that don’t need batteries—no more surgeries for replacements or bulky contraptions. Though not all new (see below),
ChemistryWorld recently shed new light
on these innovations. It’s as exc... | 19 | 6 | [
{
"comment_id": "8064026",
"author": "Herrmannc1899",
"timestamp": "2024-11-20T03:56:44",
"content": "Internal energy harvesting has always irked me a bit in the biohaking world. I wonder if a lot of the issues of energy will be solved with further advancements in battery tech. Anything that harvest... | 1,760,371,725.513052 | ||
https://hackaday.com/2024/11/19/dial-up-internet-using-the-viking-dle-200b-telephone-line-simulator/ | Dial-up Internet Using The Viking DLE-200B Telephone Line Simulator | Maya Posch | [
"how-to",
"Phone Hacks"
] | [
"dial-up",
"pots"
] | Who doesn’t like dial-up internet? Even if those who survived the dial-up years are happy to be on broadband, and those who are still on dial-up wish that they weren’t, there’s definitely a nostalgic factor to the experience. Yet recreating the experience can be a hassle, with signing up for a dial-up ISP or jumping th... | 29 | 13 | [
{
"comment_id": "8063994",
"author": "Renard",
"timestamp": "2024-11-20T00:55:08",
"content": "Yep, that’s how I host Sega Saturn Netlink “LAN” parties these days.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8064203",
"author": "Gravis",
"... | 1,760,371,725.590719 | ||
https://hackaday.com/2024/11/19/raspberry-pi-compute-module-5-seen-in-the-wild/ | Raspberry Pi Compute Module 5 Seen In The Wild | Elliot Williams | [
"News",
"Raspberry Pi"
] | [
"compute module",
"compute module 5",
"raspberry pi"
] | Last Thursday we were at Electronica, which is billed as the world’s largest electronics trade show, and it probably is! It fills up twenty airplane-hangar-sized halls in Munich, and only takes place every two years.
And what did we see on the wall in the Raspberry Pi department? One of the relatively new AI-enabled ca... | 23 | 6 | [
{
"comment_id": "8063971",
"author": "TG",
"timestamp": "2024-11-19T22:39:57",
"content": "The Second Coming of Benchoff",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8063979",
"author": "Maggie",
"timestamp": "2024-11-19T23:25:53",
... | 1,760,371,725.673739 | ||
https://hackaday.com/2024/11/19/supercon-2024-sao-petal-kicad-redrawing-project/ | Supercon 2024 SAO Petal KiCad Redrawing Project | Chris Lott | [
"Hackaday Columns",
"Reverse Engineering",
"Slider"
] | [
"2024 Hackaday Supercon",
"KiCAD",
"PCB design",
"schematics",
"Supercon AddOn"
] | Last week I completed the
SAO flower badge redrawing task
, making a complete KiCad project. Most of the SAO petals are already released as KiCad projects, except for the Petal Matrix. The design features 56 LEDs arranged in eight spiral arms radiating from the center. What it does not feature are straight lines, right... | 5 | 4 | [
{
"comment_id": "8063949",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-11-19T21:42:29",
"content": "Page break, please!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8063986",
"author": "Jon",
"timestamp": "2024-11-20T00:23:53"... | 1,760,371,725.738816 | ||
https://hackaday.com/2024/11/19/the-vecdec-cyberdeck-is-more-than-a-pretty-case/ | The Vecdec Cyberdeck Is More Than A Pretty Case | Tom Nardi | [
"Cyberdecks",
"Peripherals Hacks"
] | [
"ergonomic keyboard",
"gesture sensor",
"LoRa",
"Meshtastic",
"widescreen"
] | A common criticism we hear of cyberdecks is that functionality too often takes a backseat to aesthetics — in other words, they might look awesome, but they aren’t the kind of thing you’re likely to use a daily driver. It’s not an assessment that we necessarily disagree with, though we also don’t hold it against anyone ... | 30 | 5 | [
{
"comment_id": "8063829",
"author": "Jon Mayo",
"timestamp": "2024-11-19T17:13:27",
"content": "This will come as a great surprise to my wife.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8063834",
"author": "Jan",
"timestamp": "2024-11-19T17:16:41"... | 1,760,371,726.350769 | ||
https://hackaday.com/2024/11/19/the-great-redbox-cleanup-one-company-is-hauling-away-americas-last-dvd-kiosks/ | The Great Redbox Cleanup: One Company Is Hauling Away America’s Last DVD Kiosks | Lewin Day | [
"Current Events",
"Featured",
"News",
"Original Art",
"Slider"
] | [
"disposal",
"dvd",
"dvd rental",
"redbox",
"rental"
] | Remember Redbox? Those bright red DVD vending machines that dotted every strip mall and supermarket in America, offering cheap rentals when Netflix was still stuffing discs into paper envelopes? After streaming finally delivered the killing blow to physical rentals, Redbox threw in the towel in June 2024, leaving aroun... | 91 | 30 | [
{
"comment_id": "8063783",
"author": "J.Cook",
"timestamp": "2024-11-19T15:20:37",
"content": "Indeed; One is wondering if the internals can be resurrected and repurposed for use as a self-serve library or something.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,371,726.126568 | ||
https://hackaday.com/2024/11/19/power-supply-with-benchtop-features-fits-in-your-pocket/ | Power Supply With Benchtop Features Fits In Your Pocket | Donald Papp | [
"Crowd Funding",
"Tool Hacks"
] | [
"Pd",
"power supply",
"PPS",
"USB C"
] | [CentyLab]’s PocketPD
isn’t just adorably tiny — it also boasts some pretty useful features. It offers a lightweight way to get a precisely adjustable output of 0 to 20 V at up to 5 A with banana jack output, integrating a rotary encoder and OLED display for ease of use.
PocketPD leverages USB-C Power Delivery (PD), a ... | 42 | 15 | [
{
"comment_id": "8063741",
"author": "alialiali",
"timestamp": "2024-11-19T12:24:52",
"content": "This is very nice,and it might become my next portable power supply.I have an AliExpress special ATX power supply breakout board that I’ve been using.What I think would be neat is it those ATX breakouts... | 1,760,371,725.911312 | ||
https://hackaday.com/2024/11/19/the-barcode-beast-likes-your-cds/ | The Barcode Beast Likes Your CDs | Jenny List | [
"home hacks"
] | [
"barcode",
"mqtt",
"Pi Pico W"
] | Over the years we’ve featured many projects which attempt to replicate the feel of physical media when playing music. Usually this involves some kind of token representation of the media, but
here’s [Bas] with a different twist
(Dutch language,
Google Translate link
). He’s using the CDs themselves in their cases, iden... | 44 | 10 | [
{
"comment_id": "8063730",
"author": "Bob Marlee",
"timestamp": "2024-11-19T10:38:05",
"content": "It’s an interesting implementation, but why would you implement it this way, supporting Spotify and generating unnecessary traffic for data you already have locally?",
"parent_id": null,
"depth... | 1,760,371,726.209266 | ||
https://hackaday.com/2024/11/18/tearing-down-a-sla-printer-with-the-engineers-who-built-it/ | Tearing Down A SLA Printer With The Engineers Who Built It | Danie Conradie | [
"3d Printer hacks"
] | [
"form labs",
"product development",
"shane wighton"
] | Product teardowns are great, but getting an unfiltered one from the people who actually designed and built the product is a rare treat. In the lengthy video after the break, former Formlabs engineer [Shane Wighton]
tears down the Form 4 SLA printer
while [Alec Rudd], the engineering lead for the project, answers all hi... | 1 | 1 | [
{
"comment_id": "8063833",
"author": "Cheese Whiz",
"timestamp": "2024-11-19T17:15:44",
"content": "A Form 4 means something totally different to me.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,725.80703 | ||
https://hackaday.com/2024/11/18/the-laser-shadow-knows/ | The Laser Shadow Knows | Al Williams | [
"Laser Hacks",
"Science"
] | [
"laser"
] | Normally, you think of things casting a shadow as being opaque. However, new research shows that under certain conditions, a laser beam
can cast a shadow
. This may sound like nothing more than a novelty, but it may have applications in using one laser beam to control another. If you want more details, you can read the... | 31 | 9 | [
{
"comment_id": "8063363",
"author": "Rastersoft",
"timestamp": "2024-11-18T12:48:30",
"content": "So it is a “NOT” gate… which, IMHO, is very interesting for photonic circuits.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8063406",
"author": "D",
... | 1,760,371,726.279713 | ||
https://hackaday.com/2024/11/18/ruined-1993-thinkpad-tablet-brought-back-from-the-brink/ | Ruined 1993 ThinkPad Tablet Brought Back From The Brink | Lewin Day | [
"Repair Hacks",
"Retrocomputing"
] | [
"ibm",
"restoration",
"retrocomputer",
"retrocomputing",
"tablet",
"thinkpad"
] | Collecting retrocomputers is fun, especially when you find fully-functional examples that you can plug in, switch on, and start playing with. Meanwhile, others prefer to find the damaged examples and nurse them back to health. [polymatt] can count himself in that category, as evidenced by
his heroic rescue of an 1993 I... | 11 | 7 | [
{
"comment_id": "8063391",
"author": "Panondorf",
"timestamp": "2024-11-18T13:58:42",
"content": "if you can find it there is a landfill full of these out in the Nevada desert. They are probably in about the same shape as this one started out if you dig them up. I would have thought it was pointles... | 1,760,371,726.396569 | ||
https://hackaday.com/2024/11/17/analog-shift-register-revealed/ | Analog Shift Register Revealed | Al Williams | [
"Misc Hacks"
] | [
"audio delay",
"bucket brigade"
] | Nowadays, if you want to delay an audio signal for, say, an echo or a reverb, you’d probably just do it digitally. But it wasn’t long ago that wasn’t a realistic option. Some devices used mechanical means, but there were also ICs like the
TCA350 “bucket brigade” device that [10maurycy10] shows us in a recent post
.
In ... | 18 | 10 | [
{
"comment_id": "8063322",
"author": "asdf",
"timestamp": "2024-11-18T07:34:39",
"content": "Bucket brigade chips are still popular in guitar delay effect pedals, due to the specific way they color the sound.A YouTuber named Moritz Klein recently released a decent video which goes into how they work... | 1,760,371,726.626419 | ||
https://hackaday.com/2024/11/17/completing-the-ue1s-paper-tape-reader-and-first-squiggles/ | Completing The UE1’s Paper Tape Reader And First Squiggles | Maya Posch | [
"Retrocomputing"
] | [
"paper tape",
"tape reader"
] | The UE1 tape reader in its nearly finished glory. Note the resistor to regulate the motor speed. (Credit: David Lovett, Usagi Electric)
On today’s installment of UE1 vacuum tube computer construction,
we join [David Lovett] once more
on the
Usagi Electric
farm, as he determines just how much work remains before the pro... | 1 | 1 | [
{
"comment_id": "8063486",
"author": "Martin",
"timestamp": "2024-11-18T18:51:03",
"content": "About a clock bit problem, you might try mechanical solution. Use stronger light source, and make a mask between a light and paper tape, with holes not larger than clock holes on tape? That way all diodes ... | 1,760,371,726.49612 | ||
https://hackaday.com/2024/11/17/hackaday-links-november-17-2024/ | Hackaday Links: November 17, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"3d printing",
"aluminum",
"casting",
"cold war",
"copper",
"extrusion",
"factory tour",
"hackaday links",
"Iron Mountain",
"mushrooms",
"pcb",
"solder",
"storage",
"virtual",
"Visual Basic 6"
] | A couple of weeks back, we covered
an interesting method for prototyping PCBs
using a modified CNC mill to 3D print solder onto a blank FR4 substrate. The video showing this process generated a lot of interest and no fewer than 20 tips to the Hackaday tips line, which continued to come in dribs and drabs this week. In ... | 18 | 6 | [
{
"comment_id": "8063273",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-11-18T00:52:09",
"content": "Inre: Underground sheltersA decade or so ago someone was trying to sell an old missile silo complex on an Internet auction site for over a million dollars.But I suspect that to... | 1,760,371,726.454826 | ||
https://hackaday.com/2024/11/17/uss-ufo-hunting-aerial-surveillance-system-detailed-in-report/ | US’s UFO-Hunting Aerial Surveillance System Detailed In Report | Maya Posch | [
"News"
] | [
"extraterrestrial",
"UAP",
"UFO"
] | Formerly known as Unidentified Flying Objects, Unidentified Anomalous Phenomena (UAP) is a category of observations that are exactly what the UAP label suggests. This topic concerns the US military very much, as a big part of national security involves knowing everything that appears in the skies. This is the reason fo... | 16 | 6 | [
{
"comment_id": "8063241",
"author": "kołtun",
"timestamp": "2024-11-17T21:09:43",
"content": "ok please falsificate thishttps://arxiv.org/abs/2208.11215I no belive in ufo, but Why anybody not check this same experiment. Why any astronom not make similar obserwations?WHY !",
"parent_id": null,
... | 1,760,371,726.693464 | ||
https://hackaday.com/2024/11/17/schooling-chatgpt-on-antenna-theory-misconceptions/ | Schooling ChatGPT On Antenna Theory Misconceptions | Dan Maloney | [
"Radio Hacks"
] | [
"amateur",
"antenna",
"ChatGPT",
"Coax",
"common-mode current",
"dipole",
"feedline",
"ham",
"radio"
] | We’re not very far into the AI revolution at this point, but we’re far enough to know not to trust AI implicitly. If you accept what ChatGPT or any of the other AI chatbots have to say at face value, you might just embarrass yourself. Or worse,
you might make a mistake designing your next antenna
.
We’ll explain. [Greg... | 39 | 10 | [
{
"comment_id": "8063179",
"author": "Billy Bob",
"timestamp": "2024-11-17T18:20:26",
"content": "“We’re not very far into the AI revolution at this point”..What AI revolution? Sometimes there are technological jumps. Meh. This is just good marketing.",
"parent_id": null,
"depth": 1,
"... | 1,760,371,726.571528 | ||
https://hackaday.com/2024/11/17/esp32-hosts-a-usb-keyboard-in-this-typewriter/ | ESP32 Hosts A USB Keyboard In This Typewriter | Adam Fabio | [
"hardware"
] | [
"ESP32",
"hid",
"interface",
"keyboard",
"usb"
] | Did you know the ESP32 can be a USB host? Well it can, and [Volos] uses host mode to build
this fun little word processor.
The venerable ESP32 has a well-known USB device mode. Anyone who has programmed one has used it. A bit less known is the microcontroller’s ability to host USB devices. These days, operating as a US... | 14 | 9 | [
{
"comment_id": "8063150",
"author": "Jouni",
"timestamp": "2024-11-17T15:22:56",
"content": "There are few ESP32 boards that have separate USB HID connector port which enable this.I’ve used PS/2 keyboards as they can be interfaced even to 8-bit Atmegas (no need for USB HID). Pretty nice way to add ... | 1,760,371,726.80443 | ||
https://hackaday.com/2024/11/17/a-handheld-gaming-pc-with-steam-deck-vibes/ | A Handheld Gaming PC With Steam Deck Vibes | Bryan Cockfield | [
"Games"
] | [
"amd",
"deck",
"gaming",
"handheld",
"NUC",
"pc",
"steam"
] | Since its inception, the Steam Deck has been a bit of a game changer in the PC gaming world. The goal of the handheld console was to make PC gaming as easy and straightforward as a walled-garden proprietary console like a Switch or Playstation but still allow for the more open gaming experience of a PC. At its core, th... | 9 | 2 | [
{
"comment_id": "8063177",
"author": "Marcos",
"timestamp": "2024-11-17T18:18:51",
"content": "When you say “builds like these”, and then link to the Framework project, I think it hugely undersells what CNCDan has done.He created several custom PCBs, including a battery power management system with... | 1,760,371,726.866262 | ||
https://hackaday.com/2024/11/17/classic-led-bubble-displays-ride-again/ | Classic LED Bubble Displays Ride Again | Dan Maloney | [
"LED Hacks"
] | [
"ASCII",
"bubble",
"hewlett packard",
"HPDL-1414",
"led",
"serial"
] | Hewlett-Packard used to make some pretty cool LED displays, many of which appeared in their iconic pocket calculators back in the 1970s and 1980s. [Upir] tracked down some of these
classic bubble displays
and used them with a microcontroller. We love the results!
The displays featured here, the HPDL-1414, aren’t quite ... | 17 | 12 | [
{
"comment_id": "8063085",
"author": "ono",
"timestamp": "2024-11-17T09:42:52",
"content": "Amazing, somebody took a commercial part and used it as intended. That is properly mind-blowing !",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8063376",
"au... | 1,760,371,726.955973 | ||
https://hackaday.com/2024/11/16/register-renaming-the-art-of-parallel-processing/ | Register Renaming: The Art Of Parallel Processing | Heidi Ulrich | [
"Software Hacks"
] | [
"cpu",
"CPU architecture",
"cpu design",
"efficiency",
"register",
"register renaming",
"task"
] | In the quest for faster computing, modern CPUs have turned to innovative techniques to optimize instruction execution. One such technique, register renaming, is a crucial component that helps us achieve the impressive multi-tasking abilities of modern processors. If you’re keen on hacking or tinkering with how CPUs man... | 12 | 4 | [
{
"comment_id": "8063119",
"author": "Ostracus",
"timestamp": "2024-11-17T13:15:12",
"content": "“The basic technique dates back to some IBM System/360 computers and other high-performance mainframes.”Interesting how much can be traced back to them.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,371,727.061312 | ||
https://hackaday.com/2024/11/16/open-source-universal-rom-programmer-grows-up/ | Open Source Universal ROM Programmer Grows Up | Al Williams | [
"Microcontrollers"
] | [
"eeprom",
"eprom"
] | When we first looked at [Anders Nielsen’s]
EEPROM programmer project
, it was nice but needed some software and manual intervention and had some limitations on the parts you could program. But through the magic of Open-Source collaboration, revision 2 of the project overcomes all of these limitations and—as you can see... | 18 | 9 | [
{
"comment_id": "8063046",
"author": "Anony",
"timestamp": "2024-11-17T05:29:49",
"content": "I wonder ifhttps://gitlab.com/DavidGriffith/miniprowill support this eventually",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8063341",
"author": "Henrik",... | 1,760,371,727.260111 | ||
https://hackaday.com/2024/11/16/ethernet-from-first-principles/ | Ethernet From First Principles | Bryan Cockfield | [
"hardware"
] | [
"development",
"ethernet",
"hardware",
"networking",
"signaling",
"stm32",
"tcp/ip"
] | For someone programming in a high-level language like Python, or even for people who interact primarily with their operating system and the software running on it, it can seem like the computer hardware is largely divorced from the work. Yes, the computer has to be physically present to do something like write a Hackad... | 24 | 8 | [
{
"comment_id": "8062997",
"author": "paulvdh",
"timestamp": "2024-11-17T01:34:15",
"content": "What about bit banging Ethernet in 2014, on an attiny85https://hackaday.com/2014/08/29/bit-banging-ethernet-on-an-attiny85/And plenty of more recent examples, Raspi Pico is popular apparently.https://html... | 1,760,371,729.004957 | ||
https://hackaday.com/2024/11/16/worlds-first-virtual-meeting-5100-engineers-phoned-in/ | World’s First Virtual Meeting: 5,100 Engineers Phoned In | Heidi Ulrich | [
"classic hacks",
"News",
"Phone Hacks"
] | [
"bell.aiee",
"ieee",
"meeting",
"telephone",
"virtual meeting",
"zoom"
] | Would you believe that the first large-scale virtual meeting happened as early as 1916? More than a century before Zoom meetings became just another weekday burden, the American Institute of Electrical Engineers (AIEE) pulled off an unprecedented feat: connecting 5,100 engineers across eight cities through an elaborate... | 11 | 6 | [
{
"comment_id": "8062930",
"author": "Thinkerer",
"timestamp": "2024-11-16T21:39:05",
"content": "“Despite its success, this wonder of early engineering vanished from regular practice until our modern virtual meetings.”False. Though the scale of that early call was impressive, voice-only conference... | 1,760,371,729.448376 | ||
https://hackaday.com/2024/11/16/playing-chess-against-llms-and-the-mystery-of-instruct-models/ | Playing Chess Against LLMs And The Mystery Of Instruct Models | Maya Posch | [
"Artificial Intelligence"
] | [
"chess",
"LLM"
] | At first glance, trying to play chess against a large language model (LLM) seems like a daft idea, as its weighted nodes have, at most, been trained on some chess-adjacent texts. It has no concept of board state, stratagems, or even whatever a ‘rook’ or ‘knight’ piece is. This daftness is indeed demonstrated by [Dynomi... | 17 | 6 | [
{
"comment_id": "8062871",
"author": "Tito Ferreira Figueiredo",
"timestamp": "2024-11-16T18:15:56",
"content": "Stockfish is not AI.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8063009",
"author": "Gravis",
"timestamp": "2024-11-17T01:50:... | 1,760,371,729.558077 | ||
https://hackaday.com/2024/11/16/hackers-patents-and-3d-printing/ | Hackers, Patents, And 3D Printing | Elliot Williams | [
"3d Printer hacks",
"Hackaday Columns"
] | [
"3d printing",
"newsletter",
"patents"
] | Last week, we ran a post about
a slightly controversial video that claimed that a particular 3D-printing slicing strategy was tied up by a patent troll
. We’re absolutely not lawyers here at Hackaday, but we’ve been in the amateur 3D printing revolution since the very beginning, and surprisingly patents have played a r... | 34 | 13 | [
{
"comment_id": "8062841",
"author": "Timo P",
"timestamp": "2024-11-16T16:51:33",
"content": "This is why one should always publish their ideas if they want to share it for common good.Any prior art voids patents. That was the one thing I learned from patents from a school course.",
"parent_id"... | 1,760,371,729.631658 | ||
https://hackaday.com/2024/11/16/spotted-at-supercon-glowtape-wearable-display/ | Spotted At Supercon: Glowtape Wearable Display | Tom Nardi | [
"LED Hacks",
"Wearable Hacks"
] | [
"glow in the dark",
"Supercon 2024",
"UV LED",
"wristwatch"
] | We’re big fans of unusual timepieces here at Hackaday, so it didn’t take long before somebody called our attention to the
gloriously luminescent watch that [Henner Zeller] was wearing
at this year’s Supercon.
He calls it the Glowtape, and it uses a dense array of UV LEDs and a long strip of glow-in-the-dark material to... | 14 | 6 | [
{
"comment_id": "8062774",
"author": "alialiali",
"timestamp": "2024-11-16T13:44:20",
"content": "I love this hahaCan the tape be made into a loop and automatically moved through?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8062859",
"author": "De... | 1,760,371,729.50453 | ||
https://hackaday.com/2024/11/16/wifi-status-indicator-keeps-eye-on-the-network/ | WiFi Status Indicator Keeps Eye On The Network | Tom Nardi | [
"internet hacks",
"Microcontrollers"
] | [
"ESP32",
"IP5306",
"network",
"status indicator",
"wifi",
"ws2182b"
] | These days, most of us take the instant availability of a high-speed link to the Internet for granted. But despite all of the latest technology, things still occasionally go pear-shaped — meaning that blistering fiber optic connection you’ve got to the world’s collected knowledge (not to mention, memes) can still go do... | 19 | 8 | [
{
"comment_id": "8062718",
"author": "shinsukke",
"timestamp": "2024-11-16T09:35:12",
"content": "The firmware seemsTOOsimple for the hardware its given. Some rudimentary speed test etc would make it more functional I think.I was dealing with a particularly unreliable ISP a few years ago at my paren... | 1,760,371,729.063828 | ||
https://hackaday.com/2024/11/15/its-a-soldering-iron-its-a-multimeter-relax-its-both/ | It’s A Soldering Iron! It’s A Multimeter! Relax! It’s Both! | Al Williams | [
"Tool Hacks"
] | [
"multimeter",
"soldering iron"
] | Imagine this. A young person comes to you wanting to get started in the electronic hobby. They ask what five things should they buy to get started. Make your list. We’ll wait. We bet we can guess at least two of your items: a multimeter, and a soldering iron. [LearnElectroncsRepair] recently showed us a review of the
Z... | 23 | 11 | [
{
"comment_id": "8062689",
"author": "Daniel Dunn",
"timestamp": "2024-11-16T06:26:26",
"content": "Looks actually really cool, aside from the lack of a capacitance and diode range.At this point im surprised there’s no open source oscilloscope/iron/multimeter/PSU/power bank/solar charger/logic analy... | 1,760,371,729.401612 | ||
https://hackaday.com/2024/11/15/basic-co-inventor-thomas-kurtz-has-passed-away/ | BASIC Co-Inventor Thomas Kurtz Has Passed Away | Jenny List | [
"Software Development"
] | [
"basic",
"Thomas E kurtz"
] | It’s with sadness that we note
the passing of Thomas E. Kurtz
, on November 12th. He was co-inventor of the BASIC programming language back in the 1960s, and though his creation may not receive the attention in 2024 that it would have done in 1984, the legacy of his work lives on in the generation of technologists who ... | 74 | 36 | [
{
"comment_id": "8062657",
"author": "RChadwick",
"timestamp": "2024-11-16T03:14:35",
"content": "Maybe nobody has respect for BASIC nowadays, and maybe Kurtz’s passing won’t hit home quite so much. I have a mental block trying to learn languages that seem to be designed to be overcomplicated. Every... | 1,760,371,729.274589 | ||
https://hackaday.com/2024/11/15/risc-v-pushes-400-million-forth-words-per-second/ | RISC-V Pushes 400 Million Forth Words Per Second | Al Williams | [
"Microcontrollers"
] | [
"forth",
"RISC-V"
] | We’ll be honest. Measuring Forth words per second doesn’t seem like a great benchmark since a Forth word could be very simple or quite complex. But we think the real meaning is “up to 400 million words per second.” There was a time when that level of performance would take a huge computer. These days, a simple board th... | 28 | 8 | [
{
"comment_id": "8062622",
"author": "john",
"timestamp": "2024-11-16T01:03:23",
"content": "A lot of hard science (chemistry/biochemistryphysics/statistics) computer programs began life in the Forth universe. I suspect that hackers now have an easy path to making DIY scientific instrumentation more... | 1,760,371,729.339857 | ||
https://hackaday.com/2024/11/15/bypassing-airpods-hearing-aid-georestriction-with-a-faraday-cage/ | Bypassing Airpods Hearing Aid Georestriction With A Faraday Cage | Maya Posch | [
"Reverse Engineering"
] | [
"AirPod",
"AirPods Pro",
"hearing aid"
] | When Apple recently announced the hearing aid feature on their new AirPods Pro 2, it got the attention of quite a few people. Among these were [Rithwik Jayasimha] and friends, with [Rithwik] getting a pair together with his dad for use by his hard-of-hearing grandmother. That’s when he found out that this feature is ef... | 54 | 10 | [
{
"comment_id": "8062555",
"author": "TG",
"timestamp": "2024-11-15T21:05:47",
"content": "One of those regulation idiocies which seriously tempts you to become libertarian. They’re way better for my mother and about 1/30th of the price of far inferior devices which are actual medical hardware (henc... | 1,760,371,729.158446 | ||
https://hackaday.com/2024/11/15/i-want-to-believe-how-to-make-technology-value-judgements/ | I Want To Believe: How To Make Technology Value Judgements | Jenny List | [
"Featured",
"Interest",
"Rants",
"Slider"
] | [
"belief",
"I want to believe",
"technology"
] | In the iconic 1990s TV series
The X Files
, David Duchovny’s FBI agent-paranormal investigator Fox Mulder has a poster on his office wall. It shows a flying saucer in flight, with the slogan “I Want To Believe”. It perfectly sums up the dilemma the character faces. And while I’m guessing that only a few Hackaday reader... | 70 | 20 | [
{
"comment_id": "8062512",
"author": "TG",
"timestamp": "2024-11-15T18:15:49",
"content": "It’s perfectly fine to do some investigation on a long-shot probably-crank piece of technology, just in case.But emdrive was 3000% BS from day one. I can’t understand people who fell for yet another reactionle... | 1,760,371,729.747711 | ||
https://hackaday.com/2024/11/15/hackaday-podcast-episode-296-supercon-wrapup-with-tom-and-al-the-3dp-brick-layering-controversy-and-how-to-weld-in-space/ | Hackaday Podcast Episode 296: Supercon Wrapup With Tom And Al, The 3DP Brick Layering Controversy, And How To Weld In Space | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | In this episode you’ll get to hear not one, not two, but three Hackaday Editors! Now that the dust has mostly settled from the 2024 Hackaday Supercon, Al Williams joins Elliot and Tom to compare notes and pick out a few highlights from the event. But before that, the week’s discussion will cover the questionable patent... | 5 | 4 | [
{
"comment_id": "8062625",
"author": "Adrian",
"timestamp": "2024-11-16T01:05:28",
"content": "Re “first panel at Supercon”: There was a panel about the maker business journey at Supercon 2019, hosted by Jasmine Bracket of Tindie fame, featuring Erika Earl, Paul Beech (Pimoroni), and Spencer Owen (R... | 1,760,371,729.950531 | ||
https://hackaday.com/2024/11/15/this-week-in-security-hardware-attacks-iot-security-and-more/ | This Week In Security: Hardware Attacks, IoT Security, And More | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Deserialization",
"glitching",
"hardware",
"This Week in Security"
] | This week starts off with examinations of a couple hardware attacks that you might have considered impractical. Take
a Ball Grid Array (BGA) NAND removal attack
, for instance. The idea is that a NAND chip might contain useful information in the form of firmware or hard-coded secrets.
The question is whether a BGA deso... | 9 | 3 | [
{
"comment_id": "8062428",
"author": "Stephen",
"timestamp": "2024-11-15T15:49:51",
"content": "“One of the most interesting rabbit holes from the article…”Lewis Carroll didn’t know what he was starting when he titled the first chapter of his book “Down The Rabbit Hole”.",
"parent_id": null,
... | 1,760,371,729.90882 | ||
https://hackaday.com/2024/11/15/homebrew-ph-meter-uses-antimony-electrode/ | Homebrew PH Meter Uses Antimony Electrode | Dan Maloney | [
"chemistry hacks"
] | [
"antimony",
"borosilicate glass",
"copper",
"copper sulfate",
"electrochemistry",
"electrode",
"pH",
"pH meter",
"redox"
] | Understanding the nature of pH has bedeviled beginning (and not-so-beginning) chemistry students for nearly as long as chemistry has had students. It all seems so arbitrary, being the base-10 log of the inverse of hydrogen ion concentration and with a measurement range of 0 to 14. Add to that the electrochemical reacti... | 11 | 3 | [
{
"comment_id": "8062339",
"author": "craig",
"timestamp": "2024-11-15T12:28:28",
"content": "Was once a working chemist. The whole definition of pH and the general use of the “explaination” that “it’s easier this way” has always been frustrating. Anyone taking chemistry learns about concentrations ... | 1,760,371,730.236507 | ||
https://hackaday.com/2024/11/15/desert-island-acetylene-from-seashells-and-driftwood/ | Desert Island Acetylene From Seashells And Driftwood | Dan Maloney | [
"chemistry hacks"
] | [
"acetylene",
"calcium carbide",
"calcium hydroxide",
"charcoal",
"decompositions",
"reduction"
] | [MacGyver] would be proud of [Hyperspace Pirate]’s rough and ready method of
producing acetylene gas from seashells and driftwood
.
Acetylene, made by decomposing calcium carbide with water, is a vitally important industrial gas. Not only as a precursor in many chemical processes, but also as the fuel for the famous “b... | 35 | 11 | [
{
"comment_id": "8062257",
"author": "metalman",
"timestamp": "2024-11-15T10:17:35",
"content": "this is kind of like part of a civilisation hard reboot program,and shows that even, worse case ontario, things would bounce back for anthropocene 2.0",
"parent_id": null,
"depth": 1,
"replie... | 1,760,371,730.412503 | ||
https://hackaday.com/2024/11/14/retro-calculator-build-proves-the-space-age-isnt-what-it-used-to-be/ | Retro Calculator Build Proves The Space Age Isn’t What It Used To Be | Dan Maloney | [
"Retrocomputing"
] | [
"74HC192",
"calculator",
"decade",
"dial",
"NE-2",
"neon",
"retro",
"rotary"
] | The common wisdom these days is that even if we wanted to get back to the Moon the way we did in the 1960s, we’d never be able to do it. Most of the blame for that usually falls on the loss of institutional knowledge thanks to skilled minds and hands that have been stilled by the passage of time, but the real kicker wo... | 20 | 7 | [
{
"comment_id": "8062211",
"author": "Fred",
"timestamp": "2024-11-15T08:47:12",
"content": "I think a very big problem with ‘getting back to the moon’ ‘like we did’ is WHS (work health and safety). Any sort of risk in the workplace has to be eliminated, or (at least in Australia), the boss ends up ... | 1,760,371,730.47992 | ||
https://hackaday.com/2024/11/14/nebraskan-farmers-were-using-wind-turbines-before-environmentalism-was-invented/ | Nebraskan Farmers Were Using Wind Turbines Before Environmentalism Was Invented | Jenny List | [
"green hacks"
] | [
"19th century",
"farm hacks",
"Wind turbine"
] | To a casual observer of public discourse here in 2024 it seem extremely odd that the issue of replacing coal fired power stations with wind turbines is a matter of controversy, whether in America or Europe it’s an issue which causes some sparks to fly. The
Atlantic
has a recent article with a set of pictures from a gen... | 18 | 9 | [
{
"comment_id": "8062173",
"author": "irox",
"timestamp": "2024-11-15T04:41:24",
"content": "So much text, but no information, only put downs.Why not have a serious discussion about power production and include the very down sides? Rather than just insult people… Just saying…",
"parent_id": null... | 1,760,371,730.292848 | ||
https://hackaday.com/2024/11/14/repairing-the-questionable-25000-tom-evans-audiophile-pre-amp/ | Repairing The Questionable £25,000 Tom Evans Audiophile Pre-Amp | Maya Posch | [
"Repair Hacks"
] | [
"audiophile",
"preamplifier"
] | One of the power supply boards in the Tom Evans Mastergroove SR MkIII preamplifier. (Credit: Mend it Mark, YouTube)
It’s not much of a secret that in the world of ‘audiophile gear’ there is a lot of snake oil and deception, including many products that are at best of questionable value. The Tom Evans Mastergroove SR mk... | 123 | 30 | [
{
"comment_id": "8062086",
"author": "Brad",
"timestamp": "2024-11-15T00:11:40",
"content": "My favorite audio snakeoil is this £1,662.50 “audiophile grade” ethernet cable:https://www.audiosanctuary.co.uk/vertere-pulse-data-ethernet-cable.htmlThey also sell similarly priced USB cables.Yeah, I’m sure... | 1,760,371,730.646545 | ||
https://hackaday.com/2024/11/14/bluetooth-dongle-gives-up-its-secrets-with-quick-snooping-hack/ | Bluetooth Dongle Gives Up Its Secrets With Quick Snooping Hack | Dan Maloney | [
"Reverse Engineering"
] | [
"ble",
"bluetooth",
"frame",
"hci",
"host controller interface",
"packet",
"reverse engineering",
"wireshark"
] | There’s a lot going on in our wireless world, and the number of packets whizzing back and forth between our devices is staggering. All this information can be a rich vein to mine for IoT hackers, but how do you zero in on the information that matters? That depends, of course, but if your application involves Bluetooth,... | 5 | 2 | [
{
"comment_id": "8062019",
"author": "Antron Argaiv",
"timestamp": "2024-11-14T21:06:47",
"content": "I had to debug a BLE link for work, and I found Wireshark and the Adafruit BLE Sniffer dongle (https://www.adafruit.com/product/2267) very useful in debugging the protocol between our device and the... | 1,760,371,730.338526 | ||
https://hackaday.com/2024/11/14/us-doe-sets-new-nuclear-energy-targets/ | US DOE Sets New Nuclear Energy Targets | Navarre Bartz | [
"News",
"Science"
] | [
"Advanced Nuclear Reactor",
"coal",
"electricity grid",
"electrification",
"energy transition",
"fission",
"fusion",
"micro nuclear reactor",
"nuclear",
"Small Modular Reactor"
] | To tackle the growing electrification of devices, we’ll need to deploy more generation to the grid. The US Department of Energy (DOE) has unveiled a new target to
triple nuclear generating capacity by 2050
.
Using a combination of existing
Generation III+
reactor designs, upcoming
small modular
and
micro reactors
, and... | 63 | 8 | [
{
"comment_id": "8061987",
"author": "Dude",
"timestamp": "2024-11-14T20:13:29",
"content": "To contrast: 15 GW of nuclear operating at 95% availability factor means 57 GW of renewable power operating at an availability factor of 25%. (actual production compared to nominal or nameplate capacity)From... | 1,760,371,730.749502 | ||
https://hackaday.com/2024/11/14/microfluidic-motors-could-work-really-well-for-tiny-scale-tasks/ | Microfluidic Motors Could Work Really Well For Tiny Scale Tasks | Lewin Day | [
"Android Hacks",
"Hackaday Columns",
"Science",
"Slider"
] | [
"Fluid mechanics",
"microfluidics",
"microhydraulics",
"motor"
] | The vast majority of motors that we care about all stick to a theme. They rely on the electromagnetic dance between electrons and magnets to create motion. They come in all shapes and sizes and types, but fundamentally, they all rely on electromagnetic principles at heart.
And yet! This is not the only way to create a ... | 8 | 6 | [
{
"comment_id": "8061925",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-11-14T18:47:01",
"content": "I, for one, welcome our new microrobotic overlords!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8061970",
"author": "Truth"... | 1,760,371,730.802194 | ||
https://hackaday.com/2024/11/14/retrotechtacular-the-tv-bombs-of-wwii/ | Retrotechtacular: The TV Bombs Of WWII | Dan Maloney | [
"Retrotechtacular",
"Slider",
"Weapons Hacks"
] | [
"bomb",
"GB-4",
"glide bomb",
"guidance",
"guided",
"iconoscope",
"retrotechtacular",
"television",
"tv",
"wwii"
] | Anyone who was around for the various wars and conflicts of the early 2000s probably recalls the video clips showing guided bombs finding their targets. The black-and-white clips came from TV cameras mounted in the nose of the bomb, and were used by bombardiers to visually guide the warhead to the target — often provid... | 41 | 6 | [
{
"comment_id": "8061877",
"author": "Joshua",
"timestamp": "2024-11-14T16:56:17",
"content": "“. The black-and-white clips came from TV cameras mounted in the nose of the bomb, and were used by bombardiers to visually guide the warhead to the target — often providing for a level of precision amount... | 1,760,371,730.894019 | ||
https://hackaday.com/2024/11/14/the-life-cycle-of-nuclear-fission-fuel-from-stars-to-burn-up/ | The Life Cycle Of Nuclear Fission Fuel: From Stars To Burn-Up | Maya Posch | [
"Featured",
"Science",
"Slider"
] | [
"nuclear fission",
"Nuclear Reactor",
"thorium",
"uranium"
] | Outdone only by nuclear fusion, the process of nuclear fission releases enormous amounts of energy. The ‘spicy rocks’ that are at the core of both natural and artificial fission reactors are generally composed of uranium-235 (U-235) along with other isotopes that may or may not play a role in the fission process. A ver... | 48 | 7 | [
{
"comment_id": "8061840",
"author": "Stephen",
"timestamp": "2024-11-14T15:19:12",
"content": "The idea of leaving rapidly decaying nuclear waste is an important advantage. I’m not superstitious about fission power, but having waste products that last 100,000 years is a serious problem – and as far... | 1,760,371,730.984913 | ||
https://hackaday.com/2024/11/14/smart-thermostats-pitched-for-texas-homes-to-relieve-stressed-grid/ | Smart Thermostats Pitched For Texas Homes To Relieve Stressed Grid | Maya Posch | [
"Current Events",
"home hacks"
] | [
"energy production",
"hvac",
"Texas",
"thermostat"
] | It’s not much of a secret that Texas’ nearly completely isolated grid is in a bit of a pickle, with generating capacity often being handily outstripped during periods of extreme demand. In a latest bid to fight this problem,
smart thermostats are being offered to customers
, who will then participate in peak-shaving. T... | 86 | 27 | [
{
"comment_id": "8061783",
"author": "CRJEEA",
"timestamp": "2024-11-14T12:25:56",
"content": "It seems counterintuitive that plugging in tens or perhaps hundreds of thousands of additional devices could save energy. Personally I’m not sure I like the idea of giving a company that looks to save mone... | 1,760,371,731.265323 | ||
https://hackaday.com/2024/11/14/building-a-reproduction-apple-i/ | Building A Reproduction Apple I | Al Williams | [
"Retrocomputing"
] | [
"6502",
"apple",
"Apple I"
] | If you think of Apple today, you probably think of an iPhone or a Mac. But the original Apple I was a simple PC board and required a little effort to start up a working system.
[Artem] has an Apple I reproduction PCB
, and decided to
build it on camera so we could watch
.
For the Apple I, the user supplied a keyboard a... | 3 | 2 | [
{
"comment_id": "8065110",
"author": "clancydaenlightened",
"timestamp": "2024-11-22T19:58:11",
"content": "Back when apple products were actually quality and worth something unlike nowLast apple product I used was the iPod touch 4G and the A4 CPU after that I just used arm(android) and x86-64 (PC)M... | 1,760,371,731.026022 | ||
https://hackaday.com/2024/11/13/laser-sound-visualizations-are-not-hard-to-make/ | Laser Sound Visualizations Are Not Hard To Make | Lewin Day | [
"digital audio hacks",
"Laser Hacks"
] | [
"laser",
"music",
"visualiser",
"visualizer"
] | You might think that visualizing music with lasers would be a complicated and difficult affair. In fact, it’s remarkably simple if you want it to be, and
[byte_thrasher] shows us just how easy it can be.
At heart, what you’re trying to do is make a laser trace out waveforms of the music you’re listening to, right? So y... | 17 | 7 | [
{
"comment_id": "8061713",
"author": "fluffy",
"timestamp": "2024-11-14T08:19:22",
"content": "I remember this was all the rage back in the late 80s when HeNe lasers first started getting to be somewhat available. Every time there was a science demonstration showing off the power of lasers, somethin... | 1,760,371,731.321128 | ||
https://hackaday.com/2024/11/13/ai-face-anonymizer-masks-human-identity-in-images/ | AI Face Anonymizer Masks Human Identity In Images | Donald Papp | [
"Artificial Intelligence"
] | [
"ai",
"ai image generator",
"anonymity",
"anonymizer",
"diffusion model"
] | We’re all pretty familiar with AI’s ability to create realistic-looking images of people that don’t exist, but here’s an unusual implementation of using that technology for a different purpose:
masking people’s identity without altering the substance of the image itself
. The result is the photo’s content and “purpose”... | 44 | 20 | [
{
"comment_id": "8061655",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-11-14T03:11:04",
"content": "Is the photo on the left in the Title Photo “real”?The eyes creep me out, it made me think that was the AI altered photo.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,371,731.40678 | ||
https://hackaday.com/2024/11/13/open-cardiography-signal-measuring-device/ | Open Cardiography Signal Measuring Device | Navarre Bartz | [
"Medical Hacks"
] | [
"blood pressure",
"electrocardiogram",
"electrocardiography",
"pulse oximeter",
"Pulse oximetry",
"stethoscope"
] | Much of the world’s medical equipment is made by a handful of monopolistic megacorps, but [Milos Rasic] built an
open cardiography signal measuring device
for his master’s thesis.
Using a Pi Pico W for the brains, [Rasic]’s device can record, store and analyze the data from an arm cuff, stethoscope,
electrocardiograph
... | 10 | 4 | [
{
"comment_id": "8061627",
"author": "craig",
"timestamp": "2024-11-14T00:53:48",
"content": "This could be great for non-US use. In the US at least, the tech isn’t expensive because the tech is cutting edge, it is the approval and testing and certification that cost mega bux to get a device to mark... | 1,760,371,731.455171 | ||
https://hackaday.com/2024/11/13/landscape-motif-makes-this-e-ink-weather-display-easy-to-understand/ | Landscape Motif Makes This E-Ink Weather Display Easy To Understand | Dan Maloney | [
"home hacks"
] | [
"api",
"e-ink",
"e-paper",
"forecast",
"landscape",
"OpenWeather",
"waveshare",
"weather"
] | True weather geeks will disagree, but there might be a better way to know how to dress for the day than divining what the weather will likely be from the current readings for temperature, pressure, humidity, and wind. Sure, the data will give you a good idea of where the weather is heading, but perhaps a quick visual s... | 11 | 6 | [
{
"comment_id": "8061566",
"author": "Andrew",
"timestamp": "2024-11-13T21:22:04",
"content": "I guess this is why we invented writing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8061568",
"author": "The Commenter Formerly Known As Ren",
... | 1,760,371,731.507206 | ||
https://hackaday.com/2024/11/13/floss-weekly-episode-809-pi4j-stable-and-boring-on-the-raspberry-pi/ | FLOSS Weekly Episode 809: Pi4J – Stable And Boring On The Raspberry Pi | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"FLOSS Weekly",
"java",
"raspberry pi"
] | This week,
Jonathan Bennett
and David Ruggles chat with
Frank Delporte
about Pi4J, the friendly Java libraries for the Raspberry Pi, that expose GPIO, SPI, I2C and other IO interfaces. Why would anyone want to use Java for the Pi? And what’s changed since the project started? Listen to find out!
https://www.pi4j.com/
h... | 0 | 0 | [] | 1,760,371,731.552713 | ||
https://hackaday.com/2024/11/13/making-sense-of-real-time-operating-systems-in-2024/ | Making Sense Of Real-Time Operating Systems In 2024 | Maya Posch | [
"Hackaday Columns",
"Slider",
"Software Development"
] | [
"FreeRTOS",
"RTOS"
] | The best part about real-time OS (RTOS) availability in 2024 is that we developers are positively spoiled for choice, but as a corollary this also makes it a complete pain to determine what the optimal choice for a project is. Beyond simply opting for a safe choice like FreeRTOS for an MCU project and figuring out any ... | 52 | 28 | [
{
"comment_id": "8061494",
"author": "WereCatf",
"timestamp": "2024-11-13T18:22:06",
"content": "I like FreeRTOS so far: it provides all the features I want without a lot of extra bloat and it’s easy to use, since it only requires a few clicks to set up with the STM32 SDK and it’s already baked into... | 1,760,371,731.648444 | ||
https://hackaday.com/2024/11/13/a-vintage-radiator-core-from-scratch/ | A Vintage Radiator Core, From Scratch | Jenny List | [
"Tool Hacks",
"Transportation Hacks"
] | [
"die",
"mandrel",
"radiator",
"tube pulling"
] | There are sadly few 1914 Dennis fire engines still on the road, so when the one owned by Imperial College in London needs a spare part, it can not be ordered from the motor factors and must be made from scratch. Happily, [Andy Pugh] is an alumnus with the required metalworking skills, so in the video below
we see him t... | 25 | 11 | [
{
"comment_id": "8061476",
"author": "Observer",
"timestamp": "2024-11-13T17:55:56",
"content": "Wonderful piece of tooling; cool project, fun video to watch. If Andy Pugh reads Hackaday, a couple of thoughts/suggestions:The draw at the end of the video made some noises that concerned me. Brass can ... | 1,760,371,731.854286 | ||
https://hackaday.com/2024/11/13/a-teletype-by-any-other-name-the-early-e-mail-and-wordprocessor/ | A Teletype By Any Other Name: The Early E-mail And Wordprocessor | Al Williams | [
"Featured",
"History",
"Original Art",
"Retrocomputing",
"Slider"
] | [
"paper tape",
"teleprinter",
"teletype"
] | Some brand names become the
de facto
name for the generic product. Xerox, for example. Or
Velcro
. Teletype was a trademark, but it has come to mean just about any teleprinter communicating with another teleprinter or a computer. The actual trademark belonged to The Teletype Corporation, part of Western Electric, which... | 40 | 17 | [
{
"comment_id": "8061420",
"author": "Andy M",
"timestamp": "2024-11-13T15:08:32",
"content": "Teletype machines hasn’t completely died out. The telecommunication device for the deaf (TDD) continued to use the Baudot system, shift garbling and all.",
"parent_id": null,
"depth": 1,
"repli... | 1,760,371,731.736528 | ||
https://hackaday.com/2024/11/13/nasa-announces-new-trials-for-in-space-laser-welding/ | NASA Announces New Trials For In-Space Laser Welding | Maya Posch | [
"Space"
] | [
"electron beam welding",
"laser welding"
] | In-space manufacturing is a big challenge, even with many of the same manufacturing methods being available as on the ground. These methods include rivets, bolts, but also welding, the latter of which was first attempted fifty years ago by Soviet cosmonauts. In-space welding is the subject of a
recently announced NASA ... | 20 | 5 | [
{
"comment_id": "8061382",
"author": "Mystick",
"timestamp": "2024-11-13T12:18:46",
"content": "I would be really concerned with spalling. Also, heat dissipation in space is a whole different animal – no air or welding gases to channel heat away… it’s all “black body”, relatively fixed. And although... | 1,760,371,731.793322 | ||
https://hackaday.com/2024/11/13/intuition-about-maxwells-equations/ | Intuition About Maxwell’s Equations | Al Williams | [
"Science"
] | [
"maxwell's equations",
"physics"
] | You don’t have to know how a car engine works to drive a car — but you can bet all the drivers in the Indy 500 have a better than average understanding of what’s going on under the hood. All of our understanding of electronics hinges on Maxwell’s equations, but not many people know them. Even fewer
have an intuitive fe... | 13 | 8 | [
{
"comment_id": "8061362",
"author": "loonquawl",
"timestamp": "2024-11-13T10:02:55",
"content": "“f(x)=x” wat.“it’s plus, so like an OR-gate” df?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8061463",
"author": "ccxxiii",
"timestamp": "202... | 1,760,371,732.215262 | ||
https://hackaday.com/2024/11/12/remember-the-tri-format-floppy-disk/ | Remember The Tri-Format Floppy Disk? | Lewin Day | [
"Retrocomputing"
] | [
"amiga",
"atari st",
"disk",
"floppy disk",
"pc",
"PC format"
] | These days, the vast majority of portable media users are storing their files on some kind of Microsoft-developed file system. Back in the 1980s and 1990s, though, things were different. You absolutely could not expect a floppy disk from one type of computer to work in another.
That is, unless you had a magical three-f... | 18 | 8 | [
{
"comment_id": "8061323",
"author": "Sjaak",
"timestamp": "2024-11-13T07:14:05",
"content": "Would be fun if you could write your own double format disk. (I’ve looked at the video and it seems that the DOS and ST use the same FAT12 portion of the disk. The format is better then the previous he feat... | 1,760,371,732.353485 | ||
https://hackaday.com/2024/11/12/the-end-of-ondsel-and-reflecting-on-the-commercial-prospects-for-freecad/ | The End Of Ondsel And Reflecting On The Commercial Prospects For FreeCAD | Maya Posch | [
"Software Development"
] | [
"freecad",
"Ondsel"
] | Within the world of CAD there are the well-known and more niche big commercial players and there are projects like FreeCAD that seek to bring a OSS solution to the CAD world. As with other OSS projects like the GIMP, these OSS takes on commercial software do not always follow established user interactions (UX), which i... | 106 | 19 | [
{
"comment_id": "8061287",
"author": "Ccecil",
"timestamp": "2024-11-13T03:19:12",
"content": "Been using the 1.0 release of FreeCAD for a bit now. It seems significantly more functional and much closer to commercial offerings.I am confident moving forward I likely will be happy just using freecad.... | 1,760,371,732.537614 | ||
https://hackaday.com/2024/11/12/wav2vgm-plays-audio-via-opl3-synthesis/ | WAV2VGM Plays Audio Via OPL3 Synthesis | Lewin Day | [
"News"
] | [
"opl3",
"sound card",
"sound chip",
"VGM"
] | Once upon a time, computers didn’t really have enough resources to play back high-quality audio. It took too much RAM and too many CPU cycles and it was just altogether too difficult. Instead, they relied upon synthesizing audio from basic instructions to make sounds and music.
[caiannello] has taken advantage of this ... | 9 | 4 | [
{
"comment_id": "8061288",
"author": "Steven Clark",
"timestamp": "2024-11-13T03:21:17",
"content": "If I’m reading this right, the current code is just doing additive synthesis (explains why it’s using an OPL3). I wonder how well it could do if it had 2 a library of 2 or 4 operator options to fit ... | 1,760,371,732.398963 | ||
https://hackaday.com/2024/11/12/teaching-computers-to-read-sort-of/ | Teaching Computers To Read — Sort Of | Al Williams | [
"Retrocomputing"
] | [
"barcode",
"byte magazine",
"cauzin"
] | If you ask someone who grew up in the late 1970s or early 1980s what taught them a lot about programming, they’d probably tell you that typing in programs from magazines was very instructive. However, it was also very boring and error-prone. In fact, we’d say it was less instructional to do the typing than it was to do... | 8 | 4 | [
{
"comment_id": "8061216",
"author": "Erik",
"timestamp": "2024-11-12T22:13:43",
"content": "The HaD article about twibright optar seems like a good additional link for the end of the article.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8061247",
"autho... | 1,760,371,732.087126 | ||
https://hackaday.com/2024/11/12/a-brief-history-of-cyrix-or-how-to-get-sued-by-intel-a-lot/ | A Brief History Of Cyrix, Or How To Get Sued By Intel A Lot | Maya Posch | [
"Retrocomputing"
] | [
"Cyrix"
] | In a new installment on computer history,
[Bradford Morgan White] takes us through the sordid history of Cyrix
, as this plucky little company created the best math co-processors (FasMath) and then a range of interesting x86-compatible CPUs that would give competing x86 CPUs a run for their money. Even though Cyrix pla... | 29 | 13 | [
{
"comment_id": "8061156",
"author": "DerAxeman",
"timestamp": "2024-11-12T20:10:00",
"content": "Weitek math coprocessors were the fastesthttps://www.cpu-world.com/CPUs/3167/index.html",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8061180",
"author... | 1,760,371,732.161865 | ||
https://hackaday.com/2024/11/12/retrotechtacular-color-tv/ | Retrotechtacular: Color TV | Al Williams | [
"History",
"Retrotechtacular",
"Slider"
] | [
"cathode ray tube",
"Color TV"
] | We have often wondered if people dreamed in black and white before the advent of photography. While color pictures eventually became the norm, black and white TV was common for many years. After all, a TV set was a big investment, so people didn’t run out and buy the latest TV every year. Even if you did buy a new or u... | 20 | 9 | [
{
"comment_id": "8061124",
"author": "Dave",
"timestamp": "2024-11-12T18:30:46",
"content": "i still have a degaussing coil floating around somewhere :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8061154",
"author": "The Commenter Formerly Known... | 1,760,371,732.649086 | ||
https://hackaday.com/2024/11/12/you-wouldnt-download-a-chair-but-you-could/ | You Wouldn’t Download A Chair…But You Could | Lewin Day | [
"3d Printer hacks"
] | [
"3d printed furniture",
"chair",
"furniture"
] | [Morley Kert] had a problem. He’s a big fan of the lovely Fortune Chair from Heller Furniture. Only, he didn’t want to pay $1,175 for a real one. The solution?
He printed his own instead!
The basic concept is simple. Capture or recreate the geometry of the fancy expensive designer chair, and then print it out on a 3D p... | 16 | 5 | [
{
"comment_id": "8061085",
"author": "m1ke",
"timestamp": "2024-11-12T17:15:08",
"content": "Fun video! I probably would have never seen or heard of these chairs if it weren’t for his videos about recreating them.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": ... | 1,760,371,732.593617 | ||
https://hackaday.com/2024/11/12/ubiquitous-successful-bus-version-3/ | Ubiquitous Successful Bus: Version 3 | Arya Voronova | [
"Featured",
"Skills",
"Slider"
] | [] | USB 2 is the USB we all know and love. But about ten years ago, USB got an upgrade: USB 3.0. And it’s a lot faster. It started off ten times the speed of USB 2, with 5 Gbps, and later got 20 Gbps and 40 Gbps revisions. How does that work, and how do you hack on it? Well, for a start, it’s very different from USB 2, and... | 61 | 11 | [
{
"comment_id": "8061047",
"author": "Greg A",
"timestamp": "2024-11-12T15:30:05",
"content": "thanks – the existence of USB-A 3 and USB-B 3 and microUSB 3 is news to me. stared at the USB-A photo with the extra pins for a good long while before i could believe it wasn’t an AI-generated joke! remi... | 1,760,371,732.758838 | ||
https://hackaday.com/2024/11/12/minuteman-icbm-launch-tests-triple-warheads/ | Minuteman ICBM Launch Tests Triple Warheads | Maya Posch | [
"News",
"Weapons Hacks"
] | [
"ICBM",
"minuteman III"
] | On November 5th, the United States
launched an LGM-30G Minuteman III ICBM
from Vandenberg Space Force Base in California. Roughly 30 minutes later the three warheads onboard struck their targets 4,200 miles (6,759 km) away at the Reagan Test Site in the Marshall Islands. What is remarkable about this test is not that o... | 75 | 12 | [
{
"comment_id": "8060990",
"author": "banuko",
"timestamp": "2024-11-12T12:24:55",
"content": "I wish we could use all that money we spend every year on preparing to murder other people to instead improve lives of poor people in Africa. If we could give everyone there $2000 it would take less than 4... | 1,760,371,732.862858 | ||
https://hackaday.com/2024/11/12/z80-testing-the-80s-way/ | Z80 Testing The 80s Way | Al Williams | [
"Retrocomputing"
] | [
"fairchild",
"Mostek",
"z80"
] | According to [MTSI], if you used a Z80 chip back in the 1980s, it almost certainly
passed through the sole Fairchild Sentry 610
system that gave it the seal of approval.
The Sentry was big iron for its day. The CPU was a 24-bit device and ran at a blistering 250 kHz. Along with a tape drive and a specialized test bed, ... | 24 | 7 | [
{
"comment_id": "8060979",
"author": "Paul",
"timestamp": "2024-11-12T11:04:53",
"content": "And the price was ???",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8060981",
"author": "forrest William mcelfresh",
"timestamp": "2024-11-12T11:33:... | 1,760,371,732.930847 | ||
https://hackaday.com/2024/11/11/a-handheld-replica-sound-voltex-game/ | A Handheld Replica Sound Voltex Game | Lewin Day | [
"Games"
] | [
"diy handheld",
"handheld",
"sound voltex"
] | Sound Voltex is a music game from Konami; in fact, it’s a whole series of arcade games! [Luke] is a big fan, so decided to build
a hardware handheld to play the Unnamed Sound Voltex Clone.
No—Voltex is not a typo, that’s the name.
If you’re unfamiliar, the
Unnamed SDVX Clone
is basically a community-built game that’s i... | 0 | 0 | [] | 1,760,371,732.96626 | ||
https://hackaday.com/2024/11/11/britains-oldest-satellite-on-the-move-a-space-curiosity/ | Britain’s Oldest Satellite On The Move: A Space Curiosity | Heidi Ulrich | [
"News",
"Space"
] | [
"graveyarding",
"satellite",
"skynet",
"space debris"
] | Space and mystery always spark our curiosity, so when we stumbled upon the story of Skynet-1A, Britain’s first communication satellite from 1969, we knew it was worth exploring. The BBC recently highlighted its unexpected movement across the sky – you can check out
their full coverage here
. The idea that this half-cen... | 9 | 8 | [
{
"comment_id": "8060898",
"author": "BrightBlueJim",
"timestamp": "2024-11-12T05:53:52",
"content": "More technical info about this:https://gnosisnetwork.org/blog/the-curious-case-of-skynet-1a-and-why-it-matters/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": ... | 1,760,371,733.013535 | ||
https://hackaday.com/2024/11/11/automated-weed-spraying-drone-needs-no-human-intervention/ | Automated Weed Spraying Drone Needs No Human Intervention | Danie Conradie | [
"drone hacks"
] | [
"agricultural robot",
"ardupilot",
"weeding"
] | Battling weeds can be expensive, labor intensive and use large amounts of chemicals. To help make this easier [NathanBuilds] has developed
V2 of his open-source drone weed spraying system
, complete with automated battery swaps, herbicide refills, and an AI vision system for weed identification.
The drone has a 3D prin... | 4 | 3 | [
{
"comment_id": "8060813",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-11-12T00:13:56",
"content": "He can send the blackberry bushes to me! Yummy!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8060838",
"author": "professor chorl... | 1,760,371,733.052937 | ||
https://hackaday.com/2024/11/11/thermoelectric-blaster-flings-ice-projectiles/ | Thermoelectric Blaster Flings Ice Projectiles | Lewin Day | [
"Weapons Hacks"
] | [
"blaster",
"ice",
"ice blaster"
] | Nerf blasters are fun and all, but flinging foam can get old. Picking it up again, even moreso. This blaster from [Concept Crafted Creations]
gets around that annoying problem by shooting ice instead.
The concept was to build a better water gun with longer range—and what better way to do that than by shooting ice inste... | 38 | 15 | [
{
"comment_id": "8060750",
"author": "Steven Clark",
"timestamp": "2024-11-11T21:08:29",
"content": "This has big Dashiell Hammett murder weapon vibes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8060756",
"author": "Paul",
"timestamp": "2024-11-11T... | 1,760,371,733.30403 | ||
https://hackaday.com/2024/11/11/making-a-unique-type-of-wind-gauge-for-home-assistant-use/ | Making A Unique Type Of Wind Gauge For Home Assistant Use | Lewin Day | [
"Misc Hacks"
] | [
"anemometer",
"strain gauge",
"wind"
] | Sometimes, it’s nice to know how windy it is outside. Knowing the
direction
of the wind can be a plus, too. To that end,
[Sebastian Sokołowski] built himself an unusual anemometer—a wind gauge—to feed into his smart home system.
[Sebastian’s] build is able to tell both wind speed
and
direction—and with no moving parts!... | 13 | 9 | [
{
"comment_id": "8060736",
"author": "reg",
"timestamp": "2024-11-11T20:25:34",
"content": "A pal of mine at Cornell pondered doing that exact same thing years ago. The issues with that are the strain gauges and the elastic material they need to be mounted on to measure very small amounts of strain... | 1,760,371,733.166063 |
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