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https://hackaday.com/2024/08/28/the-commodordion-gets-a-big-usability-upgrade/ | The Commodordion Gets A Big Usability Upgrade | Lewin Day | [
"Musical Hacks"
] | [
"accordion",
"c64",
"Commodordion",
"commodore 64",
"music",
"sid",
"sid chip",
"synth"
] | The chiptune scene is dominated by Game Boys and other Nintendo hardware, but one should never forget the gorgeous, beautiful tones that come from the hallowed Commodore 64. [Linus Åkesson] knows this well, and it’s at the heart of his work on the Commodordion.
Now, he’s built an even better version.
The original idea ... | 14 | 6 | [
{
"comment_id": "7729666",
"author": "MAC",
"timestamp": "2024-08-28T18:18:12",
"content": "And now, Weird Al will bang out his latest hit on his custom Commodordion – “I’m Coding Like a Rock Star!”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7736728",
... | 1,760,371,811.390185 | ||
https://hackaday.com/2024/08/27/supercon-2024-may-the-best-badge-add-ons-win/ | Supercon 2024: May The Best Badge Add-Ons Win | Tom Nardi | [
"contests",
"Slider"
] | [
"2024 Hackaday Supercon",
"2024 Supercon SAO Contest",
"badge",
"badgelife",
"sao",
"Simple Add-On"
] | One of our favorite parts of Hackaday Supercon is seeing all the incredible badge add-ons folks put together. These expansions are made all the more impressive by the fact that they had to design their hardware without any physical access to the badge, and with only a few weeks’ notice. Even under ideal conditions, tha... | 13 | 5 | [
{
"comment_id": "7702288",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-27T18:51:42",
"content": "So, if an “Ambitious” SAO entry was too ambitious (i.e. doesn’twork), Hackaday will make it for distribution anyway?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,811.30399 | ||
https://hackaday.com/2024/08/27/hidden-gutter-antenna-keeps-hoa-happy/ | Hidden Gutter Antenna Keeps HOA Happy | Bryan Cockfield | [
"Radio Hacks"
] | [
"gutter",
"ham radio",
"HOA",
"radio",
"stealth",
"tuner"
] | The United States and a few other countries have an astounding array of homeowners’ associations (HOAs), local organizations that exert an inordinate influence on what homeowners can and can’t do with their properties, with enforcement mechanisms up to foreclosure. In the worst cases they can get fussy about things lik... | 142 | 29 | [
{
"comment_id": "7696944",
"author": "Aaron T.",
"timestamp": "2024-08-27T15:35:02",
"content": "Another victim of over-zealous neighbours? I was only physically threatened by some for my antennas. There are not many hams left and I just want to be indoor in my A/C cooled room and do my milliwatt CW... | 1,760,371,811.788097 | ||
https://hackaday.com/2024/08/27/whats-new-in-3d-scanning-all-in-one-scanning-is-nice/ | What’s New In 3D Scanning? All-In-One Scanning Is Nice | Donald Papp | [
"3d Printer hacks",
"Hackaday Columns",
"Slider"
] | [
"3d model",
"3D Printering",
"3d scanning",
"ir",
"Photogrammetry",
"structured light"
] | 3D scanning is important because the ability to digitize awkward or troublesome shapes from the real world can really hit the spot. One can reconstruct objects by drawing them up in CAD, but when there isn’t a right angle or a flat plane in sight, calipers and an eyeball just doesn’t cut it.
Scanning an object can crea... | 29 | 12 | [
{
"comment_id": "7698352",
"author": "SpillsDirt",
"timestamp": "2024-08-27T16:21:53",
"content": "If you dont like subscriptions,Rhino 8 bundled with Mesh2Surface will only set you back $2k and gives a pretty robust platform for scan processing and modelling in general.",
"parent_id": null,
... | 1,760,371,811.567258 | ||
https://hackaday.com/2024/08/27/using-the-pi-pico-as-programmable-hardware-for-the-apple-ii/ | Using The Pi Pico As ‘Programmable Hardware’ For The Apple II | Lewin Day | [
"Microcontrollers",
"Retrocomputing"
] | [
"apple",
"apple II",
"pi pico",
"Raspberry Pi Pico"
] | When we think of programmable hardware, we think of FPGAs. But they’re not the only option. [Oliver Schmidt] has been exploring how the Raspberry Pi Pico can serve in such a role for the classic Apple II. The talk was presented at the KansasFest event this year,
and it’s well worth diving into!
[Oliver] has developed
A... | 8 | 3 | [
{
"comment_id": "7693284",
"author": "David Given",
"timestamp": "2024-08-27T12:00:05",
"content": "See also the neo6502, which is a minimal modern retrocomputer which is essentially a 6502 glued to a RP2040. The RP2040 bit-bangs the 6502’s address and data buses and emulates ROM, RAM and peripheral... | 1,760,371,811.200576 | ||
https://hackaday.com/2024/08/27/nice-retro-displays-set-this-watch-on-edge/ | Nice Retro Displays Set This Watch On Edge | Dan Maloney | [
"ATtiny Hacks",
"Wearable Hacks"
] | [
"attiny85",
"led matrix",
"watch"
] | A common design language for watches has evolved ever since they first started popping up in the 1500s. Whether worn on the wrist or in a pocket, watches are relatively slim front to back, with the display mounted on the face. That’s understandable given the imperatives of human anatomy. Still, it’s not the only way to... | 10 | 3 | [
{
"comment_id": "7693115",
"author": "Paul",
"timestamp": "2024-08-27T11:45:29",
"content": "Those sure look like 5×7 displays, not 5×5. So, 40% cooler.Back when digital watches were cool (late 70s), a couple of friends had side-looking (red) LED watches. Even more expensive than the (still expen... | 1,760,371,811.247318 | ||
https://hackaday.com/2024/08/26/the-macintosh-plus-sounds-great-if-you-do-exactly-this-with-it/ | The Macintosh Plus Sounds Great If You Do Exactly This With It | Lewin Day | [
"News",
"Retrocomputing"
] | [
"Mac Plus",
"macintosh plus",
"music",
"music mouse",
"retrocomputing"
] | The Macintosh Plus is not exactly known as particularly relevant in the worlds of chiptune or electronic music more broadly. That’s not to say it can’t do
anything
that sounds cool, however. As [Action Retro] demonstrates, it’s got some really impressive tricks up its sleeve
if you know what you’re doing.
The video ce... | 3 | 3 | [
{
"comment_id": "7694102",
"author": "Alex",
"timestamp": "2024-08-27T13:07:14",
"content": "Speaking of Music Mouse, there’s a Spiegel-approved web version.https://teropa.info/musicmouse/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7699765",
"author": ... | 1,760,371,811.155737 | ||
https://hackaday.com/2024/08/26/robots-collaborate-to-localize-themselves-precisely/ | Robots Collaborate To Localize Themselves Precisely | Lewin Day | [
"Robots Hacks"
] | [
"algorithm",
"IMU",
"localization",
"Raspberry Pi 4",
"robot"
] | Here’s the thing about robots. It’s hard for them to figure out where to go or what they should be doing if they don’t know where they are. Giving them some method of localization is key to their usefulness in almost any task you can imagine. To that end, [Guy Elmakis], [Matan Coronel] and [David Zarrouk] have been
wor... | 3 | 2 | [
{
"comment_id": "7682914",
"author": "Ostracus",
"timestamp": "2024-08-27T02:58:37",
"content": "Next, do it like insects do and lay down a trail.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7692280",
"author": "Jan Praegert",
"timestamp": "2024-08-... | 1,760,371,811.341628 | ||
https://hackaday.com/2024/08/26/fast-3d-printing-with-a-polar-four-quadrant-custom-machine/ | Fast 3D Printing With A Polar, Four Quadrant Custom Machine | Dave Rowntree | [
"3d Printer hacks"
] | [
"3d printing",
"Multi material extrusion",
"multiple extrusion",
"polar coordinates"
] | 3D printing is all well and good for making low numbers of units, so long as they’re small enough to print in a reasonable time, but what if you want to go really big? Does a 35-hour print time sound like a fun time? Would it even make it that long? [Nathan] from
Nathan Build Robots
didn’t fancy the wait, so they embar... | 14 | 7 | [
{
"comment_id": "7678429",
"author": "Greg A",
"timestamp": "2024-08-26T23:31:02",
"content": "wild to me that someone would consider building such a beast and then consider writing new firmware for it as outside of the project scope :)",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,811.493105 | ||
https://hackaday.com/2024/08/26/turns-out-a-pcb-makes-a-nice-watch-dial/ | It Turns Out, A PCB Makes A Nice Watch Dial | Lewin Day | [
"Art"
] | [
"pcb",
"watch"
] | Printed circuit boards are typically only something you’d find in a digital watch. However, as [IndoorGeek] demonstrates, you can put them to wonderful use in a classical analog watch, too.
They can make the perfect watch dial!
Here’s the thing. A printed circuit board is fundamentally some fiberglass coated in solderm... | 19 | 7 | [
{
"comment_id": "7676112",
"author": "dudefromthenorth",
"timestamp": "2024-08-26T21:46:36",
"content": "usually I have to speed up audio to compensate for the narration rate…. not here.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7677693",
"author": "s... | 1,760,371,811.440095 | ||
https://hackaday.com/2024/08/26/experimenting-with-interference-on-thin-layers/ | Experimenting With Interference On Thin Layers | Heidi Ulrich | [
"Science"
] | [
"home science",
"interference",
"interference patterns",
"light",
"lightwaves",
"substrate",
"thin film"
] | [Stoppi] has taken on a fascinating project involving the
interference of thin layers
, a phenomenon often observed in everyday life but rarely explored in such depth. This project delves into the principles of interference, particularly focusing on how light waves interact with very thin films, like those seen in soap... | 0 | 0 | [] | 1,760,371,811.940712 | ||
https://hackaday.com/2024/08/26/supercon-2024-show-off-your-unique-display-tech/ | Supercon 2024: Show Off Your Unique Display Tech | Tom Nardi | [
"cons",
"Parts",
"Slider"
] | [
"2024 Hackaday Supercon",
"call for participation",
"displays",
"exhibit"
] | If there’s a constant in the world of electronics, it’s change. Advancements and breakthroughs mean that what was once state-of-the-art all too soon finds itself collecting dust. But there are exceptions. Perhaps because they’re so much more visible to us than other types of components, many styles of displays have man... | 4 | 2 | [
{
"comment_id": "7670562",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-26T17:43:30",
"content": "One display I didn’t see in the suggestions was the phosphorus painted wall clock that would be updated as the display fades. IIRC, Hackaday featured such a display years ago.... | 1,760,371,812.048237 | ||
https://hackaday.com/2024/08/26/keebin-with-kristina-the-one-with-the-folding-typewriter/ | Keebin’ With Kristina: The One With The Folding Typewriter | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks"
] | [
"Corona 3 typewriter",
"dactyl",
"folding typewriter",
"macro pad",
"macropad",
"microclick",
"RGB LEDs",
"tiny keyboard",
"wedgetyl"
] | Have you built yourself a macro pad yet? They’re all sorts of programmable fun, whether you game, stream, or just plain work, and there are tons of ideas out there.
Image by [CiferTech] via
Hackaday.IO
But if you don’t want to re-invent the wheel,
[CiferTech]’s MicroClick
(or MacroClick — the jury is still out) might b... | 7 | 4 | [
{
"comment_id": "7665018",
"author": "Just sayin'",
"timestamp": "2024-08-26T14:03:57",
"content": "I can’t say exactly why, but everytime I see the title of this post, I want cookies made by small people who live in trees…",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,371,811.999044 | ||
https://hackaday.com/2024/08/26/backlight-switch-for-a-better-multimeter/ | Backlight Switch For A Better Multimeter | Heidi Ulrich | [
"Tool Hacks"
] | [
"backlight",
"digital multimeter",
"electronics tools",
"favorite tools",
"multimeter"
] | Frustrated by his Aldi multimeter’s backlight turning off after just 15 seconds,
[Steg Steg] took matters into his own hands
. His solution? He added a manual toggle switch to control the backlight, allowing it to stay on as long as needed. He began by disassembling the multimeter—removing the outer bumper and a few sc... | 28 | 17 | [
{
"comment_id": "7660328",
"author": "Harvie.CZ",
"timestamp": "2024-08-26T11:16:32",
"content": "There is a reason why there are no metal parts protruding from stock multimeter cases. There can be major arcing inside and multimeter has CAT rating precisely because it can contain it without posing a... | 1,760,371,812.112505 | ||
https://hackaday.com/2024/08/26/everything-you-wanted-to-know-about-early-macintosh-floppies/ | Everything You Wanted To Know About Early Macintosh Floppies | Al Williams | [
"Retrocomputing"
] | [
"floppy disk",
"macintosh 128k",
"Motorola 68000"
] | Using a disk drive today is trivial. But back “in the day,” it was fairly complex both because the drives were simple and the CPUs were not powerful by today’s standards. [Thomas] has been working on a 68000 Mac emulator and found that low-level floppy information was scattered in different places. So he’s
gathered it ... | 30 | 7 | [
{
"comment_id": "7657294",
"author": "shinsukke",
"timestamp": "2024-08-26T08:42:00",
"content": "Floppy Disk",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7659325",
"author": "aki009",
"timestamp": "2024-08-26T10:43:28",
"content": ... | 1,760,371,812.179745 | ||
https://hackaday.com/2024/08/25/simulating-air-flow-for-3d-printing/ | Simulating Air Flow For 3D Printing | Al Williams | [
"3d Printer hacks",
"Software Hacks"
] | [
"simulation"
] | You’ve probably heard that a 3D printer is capable of producing its own replacement parts. Sometimes, that even includes upgraded or improved versions of the parts it was originally built with. But sometimes, it’s hard to figure out what improved really means. Think about air ducts that cool the part after printing. In... | 1 | 1 | [
{
"comment_id": "7641903",
"author": "shinsukke",
"timestamp": "2024-08-25T15:01:30",
"content": "I’ve been trying to setup simulations with ElmerFEM for a week now. Electrostatic sims seem to work fine but I couldn’t get anything else to work.Still its a brilliant tool with more options than I can ... | 1,760,371,812.220969 | ||
https://hackaday.com/2024/08/24/lunar-landing-lunacy-charles-duke-confronted-with-reality-deniers/ | Lunar Landing Lunacy: Charles Duke Confronted With Reality-Deniers | Maya Posch | [
"Space"
] | [
"apollo 16",
"moon hoax",
"Moon landing",
"moon landing conspiracy"
] | Lunar Module pilot Charles Duke saluting the US flag during Apollo 16. (Credit: NASA)
Imagine: you spent years training for a sojourn to the Moon, flew there on top of a Saturn V rocket as part of Apollo 16, to ultimately land on the lunar surface. You then spend the next few days on the surface, walking and skipping a... | 104 | 24 | [
{
"comment_id": "7629761",
"author": "paulvdh",
"timestamp": "2024-08-25T05:27:24",
"content": "Now I wonder. Do such people also believe the moon and the sun are flat?The biggest problem here I guess is that such people also have a right to vote. It’s also a simple failure of basic education, and t... | 1,760,371,812.498622 | ||
https://hackaday.com/2024/08/24/using-a-2d-scanner-to-make-3d-things/ | Using A 2D Scanner To Make 3D Things | Dave Rowntree | [
"3d Printer hacks",
"Peripherals Hacks"
] | [
"3d printed",
"flatbed scanner",
"tinkercad"
] | [Chuck Hellebuyck] wanted to clone some model car raceway track and realised that by
scanning the profile section of the track with a flatbed scanner
and post-processing in Tinkercad, a useable cross-section model could be created. This was then extruded into 3D to make a pretty accurate-looking clone of the original p... | 8 | 4 | [
{
"comment_id": "7627207",
"author": "m1ke",
"timestamp": "2024-08-25T02:15:40",
"content": "I’m surprised the tracks printed so well vertically. It’s a great idea to 3d print more track instead of buying more kits for just a few pieces.",
"parent_id": null,
"depth": 1,
"replies": []
}... | 1,760,371,812.267137 | ||
https://hackaday.com/2024/08/24/meta-cancels-augmented-reality-headset-after-apple-vision-pro-falls-flat/ | Meta Cancels Augmented Reality Headset After Apple Vision Pro Falls Flat | Maya Posch | [
"News",
"Virtual Reality"
] | [
"augmented reality"
] | The history of consumer technology is littered with things that came and went. For whatever reason, consumers never really adopted the tech, and it eventually dies. Some of those concepts seem to persistently hang on, however, such as augmented reality (AR). Most recently, Apple launched its Vision Pro ‘mixed reality’ ... | 50 | 15 | [
{
"comment_id": "7621185",
"author": "LordNothing",
"timestamp": "2024-08-24T23:20:35",
"content": "these hmds are kind of in fad territory. my quest2 lives in my desk most of the time. would rather see a 3d monitor tech boom frankly.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,371,812.356664 | ||
https://hackaday.com/2024/08/24/comparing-aliexpress-vs-lcsc-sourced-mosfets/ | Comparing AliExpress Vs LCSC-Sourced MOSFETs | Maya Posch | [
"Repair Hacks"
] | [
"fake parts",
"mosfet",
"power supply"
] | The fake AliExpress-sourced IRFP460 MOSFETs (Credit: Learn Electronics Repair, YouTube)
These days, it’s super-easy to jump onto the World Wide Web to find purported replacement parts using nothing but the part identifier, whether it’s from a reputable source like Digikey or Mouser or from more general digital fleamark... | 26 | 17 | [
{
"comment_id": "7615914",
"author": "David",
"timestamp": "2024-08-24T21:08:08",
"content": "This is Hackaday, we are hackers, so of course we “like magic smoke and chasing weird bugs” – but only on our terms – like when we know we are experimenting with something we don’t fully understand or testi... | 1,760,371,812.606525 | ||
https://hackaday.com/2024/08/24/flying-lotus-is-a-framework-powered-portable-all-in-one-computer/ | Flying Lotus Is A Framework-Powered Portable All-in-One Computer | Navarre Bartz | [
"computer hacks"
] | [
"all-in-one",
"Flying Lotus",
"framework",
"portable computer"
] | One of the things that we love about the modern era of computing is the increasing ease by which you can roll your own custom computer, as seen with the cyberdeck phenomenon. The
Flying Lotus
is another awesome build in this vein.
Built around the Framework ecosystem, this device was built to suit the very specific use... | 12 | 7 | [
{
"comment_id": "7607870",
"author": "Nath",
"timestamp": "2024-08-24T17:45:47",
"content": "Is it just me or the kits the guy is selling (see the link in the video description) are unavailable in Europe?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7611869"... | 1,760,371,812.542118 | ||
https://hackaday.com/2024/08/24/compact-driver-powers-steppers-with-usb-c-pd/ | Compact Driver Powers Steppers With USB-C PD | Dan Maloney | [
"Parts"
] | [
"AS5600",
"closed loop",
"ESP32-S3",
"IoT",
"NEMA-17",
"stepper",
"TMC2209"
] | NEMA-17 steppers are (almost) a dime a dozen. They’re everywhere, they’re well-known to hackers and makers, and yet they’re still a bit hard to integrate into projects. That’s because the motor alone isn’t much use, and by the time you find or build a driver and integrate it with a microcontroller, you’ve probably expe... | 12 | 7 | [
{
"comment_id": "7602065",
"author": "DrewTheMachinist",
"timestamp": "2024-08-24T15:18:38",
"content": "Only took 20 years of articles apparently to satisfy you? 😂This is indeed cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7609428",
"author": "so... | 1,760,371,812.698771 | ||
https://hackaday.com/2024/08/25/a-simple-but-effective-receiving-loop-antenna/ | A Simple But Effective Receiving Loop Antenna | Jenny List | [
"Radio Hacks"
] | [
"antenna",
"co-ax loop",
"magnetic loop"
] | There’s a joke in the world of radio that all you need for a HF antenna is a piece of wet string, but the truth is that rudimentary antennas rarely perform well. Random pieces of wire may pull in some signal, but along with it comes a ton of unwanted interference and noise. It’s thus worth putting in the effort to make... | 21 | 6 | [
{
"comment_id": "7655749",
"author": "sp4swd",
"timestamp": "2024-08-26T06:20:39",
"content": "Rediscovery of PA0FRI antenna? Now add an active element to it.https://www.pa0fri.com/Ant/Active%20antenna/Active%20receiving%20%20loop%20antenna%20eng.htm",
"parent_id": null,
"depth": 1,
"rep... | 1,760,371,812.75261 | ||
https://hackaday.com/2024/08/25/building-a-microcontroller-from-scratch-the-b4-thinker-project/ | Building A Microcontroller From Scratch: The B4 Thinker Project | Heidi Ulrich | [
"computer hacks",
"how-to",
"Microcontrollers"
] | [
"4-bit CPU",
"cpu",
"microcontroller",
"modular",
"modular computer",
"motherboard",
"motherboards"
] | [Marius Taciuc’s] latest endeavor,
the B4 Thinker
, offers a captivating glimpse into microcontroller architecture through a modular approach. This proof-of-concept project is meticulously documented, with a detailed, step-by-step guide to each component and its function.
Launched in 2014, the B4 Thinker project began ... | 0 | 0 | [] | 1,760,371,812.655529 | ||
https://hackaday.com/2024/08/25/hackaday-links-august-25-2024/ | Hackaday Links: August 25, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"capstan",
"Doritos",
"hackaday links",
"ISM< 900 MHz",
"iss",
"LoRaWAN",
"roofing",
"scara",
"SDO",
"shingle",
"Solar Cycle",
"solar dynamics",
"space food",
"spectrum",
"sun",
"sunspot"
] | The Sun has been remarkably active lately, so much so that
it might have set a new sunspot record
. According to the sun watchers at the Space Weather Prediction Center, on August 8, the
Solar Dynamics Observatory
snapped a picture that was positively bedazzled with sunspots. Counting methods vary, but one count put th... | 8 | 5 | [
{
"comment_id": "7650626",
"author": "18Lj",
"timestamp": "2024-08-25T23:19:07",
"content": "Im already resigned to the inevitability that the next space station built is gonna be plastered with ads and branding with Pepsi™ and Frito Lay® all over the outside of the Geico ISS 2.0©",
"parent_id":... | 1,760,371,813.016872 | ||
https://hackaday.com/2024/08/25/3d-printed-electronics-breadboard/ | 3D Printed Electronics Breadboard | Maya Posch | [
"3d Printer hacks"
] | [
"breadboard"
] | The printed breadboard cover as seen from the bottom. (Credit: CHEP, YouTube)
Does it make sense to make your own breadboards rather than purchasing off the shelf ones? As [Chuck Hellebuyck] notes in a
recent video
on DIY, 3D-printed breadboards, there’s a certain charm to making a breadboard exactly the size you need,... | 9 | 4 | [
{
"comment_id": "7651244",
"author": "Spacedog",
"timestamp": "2024-08-25T23:56:28",
"content": "Ben Eater did a cool breakdown of the quality of certain types of breadboard clips here:https://youtu.be/fCbAafKLqC8?t=74if you can get quality clips and print custom boards cheaper than off the shelf on... | 1,760,371,812.967042 | ||
https://hackaday.com/2024/08/25/a-simple-6dof-hall-effect-space-mouse/ | A Simple 6DOF Hall Effect ‘Space’ Mouse | Dave Rowntree | [
"Peripherals Hacks"
] | [
"3d printed",
"3dconnexion",
"analog",
"arduino pro micro",
"space mouse"
] | The 3DConnexion Space mouse is an interesting device but heavily patent-protected, of course. This seems to just egg people on to reproduce it using other technologies than the optical pickup system the original device uses. [John Crombie] had a crack at
building one using linear Hall effect sensors and magnets
as the ... | 15 | 6 | [
{
"comment_id": "7645258",
"author": "aki009",
"timestamp": "2024-08-25T17:59:02",
"content": "I would’ve expected the Space mouse patents to have mostly expired by now. I’m sure they have added some new aspects to them, but all the early stuff that makes up the bulk of the ideas should be free game... | 1,760,371,813.164722 | ||
https://hackaday.com/2024/08/25/v-slot-wheels-or-linear-rails/ | V-Slot Wheels Or Linear Rails? | Al Williams | [
"3d Printer hacks"
] | [
"linear rails",
"V-slot"
] | In the early days of 3D printers, most builds used smooth rods and bearings that rode on them. But these days, printers are shipping with either V-slot extrusions with Delrin wheels or linear rails. Which is best? Everyone seems to have an opinion, but [Spencer] decided to
compare them using some well-defined experimen... | 45 | 17 | [
{
"comment_id": "7640460",
"author": "Benik3",
"timestamp": "2024-08-25T14:11:25",
"content": "One problem of V-rail is, that the rubber gears wear out, or In worst cases they are not perfectly round…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7642603",
... | 1,760,371,813.10531 | ||
https://hackaday.com/2024/08/25/talking-milk-jug-says-glug-glug-glug/ | Talking Milk Jug Says Glug-Glug-Glug | Kristina Panos | [
"Toy Hacks"
] | [
"microsd card",
"sd card",
"sound module",
"tilt switch"
] | Children can be a great source of daily inspiration, especially when they are just beginning to speak in full sentences and starting to let their little personalities show.
[Franklinstein] has the cutest toddler, and she loves her toy espresso machine, especially the little milk carton that came with it. Well, one day,... | 7 | 4 | [
{
"comment_id": "7639607",
"author": "Tim Tower",
"timestamp": "2024-08-25T13:45:56",
"content": "Sweet idea, nice execution. 👏🏻What are the three switches on the sound module for?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7666368",
"author": ... | 1,760,371,813.216538 | ||
https://hackaday.com/2024/08/22/you-can-3d-print-yourself-some-simple-magnetic-switches/ | You Can 3D Print Yourself Some Simple Magnetic Switches | Lewin Day | [
"3d Printer hacks"
] | [
"magnet",
"magnetic",
"magnets",
"switchable magnet"
] | Permanent magnets aren’t typically switchable. They’re always doing their magnet thing. However, if you align them with a bunch of
other
magnets in just the right way, you can create a permanent magnet that you can effectively switch on and off. [Andrew Klein] has done just that
with his 3D-printed magnetic switch desi... | 9 | 6 | [
{
"comment_id": "7549778",
"author": "felix.domestica@kubycsolutions.com",
"timestamp": "2024-08-22T20:49:53",
"content": "I would call those switchable magnets, to distinguish them from switches controlled by magnets. Your mileage may vary.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,813.262534 | ||
https://hackaday.com/2024/08/22/a-cheap-diy-plc-based-on-the-atmega328p/ | A Cheap DIY PLC Based On The Atmega328P | Lewin Day | [
"Microcontrollers"
] | [
"atmega328p",
"industrial",
"industry",
"microcontroller",
"plc"
] | If you’re running a big factory, you’ve probably got a massively expensive contract with a major programmable logic controller (PLC) manufacturer. One shudders to think about the cost of the service subscription on that one. If you’re working on a smaller scale, though, you might consider
a DIY PLC like this one from [... | 42 | 11 | [
{
"comment_id": "7547817",
"author": "Jan",
"timestamp": "2024-08-22T19:34:04",
"content": "Cheap industrial PLC can be had for 200 bucks already and, depending on vendor, the software for them can be free (e.g. ABB PLCs). There are even Arduino-based PLCs.No expensive subscription necessary.PLCs ma... | 1,760,371,813.350433 | ||
https://hackaday.com/2024/08/22/a-field-guide-to-the-north-american-substation/ | A Field Guide To The North American Substation | Dan Maloney | [
"Engineering"
] | [
"electrical grid",
"high voltage",
"SCADA",
"substation"
] | Drive along nearly any major road in the United States and it won’t be long before you see evidence of the electrical grid. Whether it’s wooden poles strung along the right of way or a line of transmission towers marching across the countryside in the distance, signs of the grid are never far from view but often go ign... | 15 | 11 | [
{
"comment_id": "7557660",
"author": "Dan Julio",
"timestamp": "2024-08-22T23:47:24",
"content": "What we take for granted every day. Thanks for this. It is interesting to understand what’s in the ubiquitous stations.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment... | 1,760,371,813.464999 | ||
https://hackaday.com/2024/08/22/citizen-scientists-spot-super-fast-moving-object-in-nasa-data/ | Citizen Scientists Spot Super Fast Moving Object In NASA Data | Lewin Day | [
"Science",
"Space"
] | [
"citizen science",
"data",
"nasa",
"wise",
"WISE mission"
] | When you were five, you probably spotted your best friend running at “a million miles an hour” when they beat everybody at the local athletics meet. You probably haven’t seen anything that fast snice. According to NASA, though, a group of citizen scientists
spotted a celestial object doing just that!
The group of citiz... | 18 | 10 | [
{
"comment_id": "7543244",
"author": "wkpad",
"timestamp": "2024-08-22T15:57:08",
"content": "The paper athttps://arxiv.org/pdf/2407.08578is quite readable. I liked the discussion of how it has an orbit in line with the galactic plane, which might be a clue to its origin.",
"parent_id": null,
... | 1,760,371,813.406622 | ||
https://hackaday.com/2024/08/22/tech-in-plain-sight-speedometers/ | Tech In Plain Sight: Speedometers | Al Williams | [
"History",
"Transportation Hacks"
] | [
"eddy currents",
"speedometer"
] | In a modern car, your speedometer might look analog, but it is almost certainly digital and driven by the computer that has to monitor all sorts of things anyway. But how did they work before your car was a rolling computer complex? The electronic speedometer has been around for well over a century and, when you think ... | 29 | 12 | [
{
"comment_id": "7541187",
"author": "Canuckfire",
"timestamp": "2024-08-22T14:44:31",
"content": "I have also seen fly-ball governors on top of elevator cars to drive the braking system.I am not sure how common they might be, but I have seen quite a few.It makes perfect sense for that application t... | 1,760,371,813.534518 | ||
https://hackaday.com/2024/08/22/running-stock-ms-dos-on-a-modern-thinkpad/ | Running Stock MS-DOS On A Modern ThinkPad | Tom Nardi | [
"computer hacks",
"Software Hacks"
] | [
"dos",
"lenovo",
"ms-dos",
"thinkpad"
] | It might seem like the days of MS-DOS were a lifetime ago because…well, they basically were. Version 6.22 of the venerable operating system, the last standalone release, came out back in 1994. That makes even the most recent version officially 30 years old. A lot has changed in the computing world since that time, so n... | 33 | 21 | [
{
"comment_id": "7536863",
"author": "Daniel",
"timestamp": "2024-08-22T12:06:35",
"content": "If a device is supported by Coreboot, you can run SeaBIOS as payload.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7538434",
"author": "Yeo Kheng Meng",
... | 1,760,371,813.615939 | ||
https://hackaday.com/2024/08/22/happy-birthday-to-dad-retrocomputer-style/ | Happy Birthday To Dad, Retrocomputer Style | Dan Maloney | [
"Retrocomputing"
] | [
"audio",
"birthday",
"bit bang",
"cassette",
"retrocomputing",
"trs-80",
"Z-80"
] | For those of us who lived through the early 8-bit computing revolution — the tail end, in our case — it’s hard to believe that there’s a second wave of retrocomputing nostalgia underway. But as
this bit-banged TRS-80 birthday bonus pack
shows, the first generation did a pretty good job passing the retro torch.
With his... | 3 | 2 | [
{
"comment_id": "7549424",
"author": "Hirudinea",
"timestamp": "2024-08-22T20:41:35",
"content": "I would say “How far we’ve come.” but then I remember Tik Tok and think “Can we go back?”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7565846",
"auth... | 1,760,371,813.743197 | ||
https://hackaday.com/2024/08/23/ethernet-history-why-do-we-have-different-frame-types/ | Ethernet History: Why Do We Have Different Frame Types? | Maya Posch | [
"Network Hacks"
] | [
"ethernet"
] | Although Ethernet is generally considered to be a settled matter, its history was anything but peaceful, with its standardization process (under Project 802) leaving its traces to this very day. This is very clear when looking at the different Ethernet frame types in use today, and with many more historical types. Whil... | 9 | 3 | [
{
"comment_id": "7576834",
"author": "A scott",
"timestamp": "2024-08-23T16:42:34",
"content": "Bob Metcalf would disagree that what we call Ethernet today is Ethernet. He wrote in a column a number of years ago that Ethernet was CSMA/CD. Switched networking is not Ethernet.",
"parent_id": null,... | 1,760,371,813.699761 | ||
https://hackaday.com/2024/08/23/this-week-in-security-crash-your-iphone-hack-your-site-and-bluetooth-woes/ | This Week In Security: Crash Your IPhone, Hack Your Site, And Bluetooth Woes | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"bluetooth",
"RCE",
"This Week in Security",
"wordpress"
] | There have been some hilarious issues on mobile devices over the years. The HTC Dream had a hidden shell that was discovered when a phone rebooted after sending a text containing just the word “reboot”. iOS has gotten in on the fun from time to time, and this time it’s
""::
. Type the double quotes, a colon, and any ot... | 6 | 3 | [
{
"comment_id": "7573999",
"author": "Zoe",
"timestamp": "2024-08-23T15:12:12",
"content": "Bluetooth and medical in same sentence??",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7574645",
"author": "The Commenter Formerly Known As Ren",
"ti... | 1,760,371,813.78444 | ||
https://hackaday.com/2024/08/23/the-famous-computer-cafe-has-now-been-archived-online/ | The Famous Computer CafeHas Now Been Archived Online | Lewin Day | [
"History",
"Retrocomputing"
] | [
"bill gates",
"history",
"jack tramiel",
"retrocomputing",
"robert moog",
"timothy leary"
] | You might think that TV stations or production houses would be great at archiving, but it’s not always the case. Particularly from the public access perspective. However, if you’re a fan of
The Famous Computer Cafe,
you’re in luck! The beloved series
has now been preserved on The Internet Archive!
If you’re not familia... | 4 | 4 | [
{
"comment_id": "7567851",
"author": "CJay",
"timestamp": "2024-08-23T11:53:23",
"content": "Oh they’re brilliant, a real piece of history and all the long gone companies mentioned…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7574798",
"author": "The Co... | 1,760,371,813.831359 | ||
https://hackaday.com/2024/08/23/a-simple-guide-to-rf-pcb-design/ | A Simple Guide To RF PCB Design | Dave Rowntree | [
"PCB Hacks"
] | [
"groundplane",
"impedance",
"pcb",
"RF",
"transmission line"
] | [Hans Rosenberg] knows a thing or two about RF PCB design and has provided a
three-part
four-part video demonstration of some solid rules of thumb. We will
cover the first part here
and leave the other two for the more interested readers!
The design process begins with a schematic diagram, assuming ideal conductors. Ad... | 9 | 5 | [
{
"comment_id": "7564431",
"author": "C",
"timestamp": "2024-08-23T09:15:22",
"content": "In the last video would a “via shield” help? So many vias under the shield component to the ground plane at the bottom layer. And what about making a thin slot in the PCB and have the shield go through the PCB ... | 1,760,371,814.028755 | ||
https://hackaday.com/2024/08/22/portable-ps4-is-easier-to-move-than-a-regular-one/ | Portable PS4 Is Easier To Move Than A Regular One | Lewin Day | [
"Playstation Hacks"
] | [
"playstation",
"playstation 4",
"ps4"
] | The PlayStation 4 was a popular enough console, but it was a
home
console. If you wanted to play at a friend’s house, you had to unplug all your cables and haul the whole lot over there. Unless, that is,
you built something along the lines of [Rudd van Falier]’s Portable GameStation.
It’s not a super-complicated build,... | 5 | 3 | [
{
"comment_id": "7573721",
"author": "kaaaaaaaaaaaaaaaang",
"timestamp": "2024-08-23T15:03:46",
"content": "What? A portable ps4 that is easier to move than a regular one? That’s nosense, portable things have to be harder to move than regular ones.",
"parent_id": null,
"depth": 1,
"repli... | 1,760,371,813.869606 | ||
https://hackaday.com/2024/08/22/wardriving-tools-in-the-modern-era/ | Wardriving Tools In The Modern Era | Lewin Day | [
"Wireless Hacks"
] | [
"wardriving",
"wifi",
"wireless"
] | When WiFi first came out, it was a super exciting time. The technology was new, and quite a bit less secure back then—particularly if not configured properly. That gave rise to the practice of wardriving—driving around with a computer, looking for unsecured networks, often just for the fun of it.
[Simon] has been exami... | 12 | 6 | [
{
"comment_id": "7560598",
"author": "RF Dude",
"timestamp": "2024-08-23T03:16:53",
"content": "Wardriving itself simply identifies WiFi signals in passing. It is possible to geolocate someone or something based on the WiFi SSID’s their device is observing. I’ve done Wardriving, and contributed ... | 1,760,371,814.208271 | ||
https://hackaday.com/2024/08/22/second-human-neuralink-brain-implant-recipient-uses-it-for-cad-and-videogaming/ | Second Human Neuralink Brain Implant Recipient Uses It For CAD And Videogaming | Maya Posch | [
"Medical Hacks"
] | [
"brain-computer interface",
"neural implant",
"neuralink"
] | As Neuralink works towards getting its brain-computer interface technology approved for general use, it now has two human patients who have received the experimental implant. The second patient, [Alex], received the implant in July of 2024 and is
said to be doing well
, being able to play games like Counter Strike 2 wi... | 55 | 12 | [
{
"comment_id": "7556898",
"author": "Owlman",
"timestamp": "2024-08-22T23:30:03",
"content": "“We analyzed Neuralink’s claims back in 2019, when its founder – [Elon Musk] ”He founded Neuraling in the same way he founded Tesla, by getting fanbois to edit the Wiki pages.",
"parent_id": null,
... | 1,760,371,814.11598 | ||
https://hackaday.com/2024/08/20/remapping-hid-for-fun-and-well-fun/ | Remapping HID For Fun And… Well Fun | Al Williams | [
"Peripherals Hacks"
] | [
"hid"
] | If you want to remap some mouse or keyboard keys, and you use Linux, it is easy. If you use Windows or another operating system, you can probably do that without too much trouble. But what if you use all of them? Or what if you don’t have access to the computer in question? Thanks to [jfedor2], you can
reach for a Rasp... | 13 | 4 | [
{
"comment_id": "7471754",
"author": "Handyman",
"timestamp": "2024-08-20T19:41:41",
"content": "For me the killer app of Windows is not SolidWorks, Notepad++, Adobe CS6 or Steam games. It’s not ClearType combined with Consolas font. It’s AutoHotkey.Over the years I’ve managed to automate and improv... | 1,760,371,814.164014 | ||
https://hackaday.com/2024/08/20/open-source-liquid-rocket-reaches-for-the-sky/ | Open Source Liquid Rocket Reaches For The Sky | Tom Nardi | [
"Transportation Hacks"
] | [
"amateur rocketry",
"liquid rocket",
"oxidizer"
] | Since the very beginning, solid-propellants have been the cornerstone of amateur rocketry. From the little Estes rocket picked up from the toy store, to vehicles like the University of Southern California’s Traveler IV that (probably) crossed the Kármán line in 2019, a rapidly burning chunk of solid propellant is respo... | 30 | 10 | [
{
"comment_id": "7463944",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-20T15:41:29",
"content": "That is pretty cool, but I would like to see an animation of how it works.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7465898",
... | 1,760,371,814.276812 | ||
https://hackaday.com/2024/08/20/australia-didnt-invent-wifi-despite-what-youve-heard/ | Australia Didn’t Invent WiFi, Despite What You’ve Heard | Lewin Day | [
"Featured",
"History",
"Interest",
"Original Art",
"Wireless Hacks"
] | [
"Australia",
"csiro",
"patent",
"wi-fi",
"wireless LAN",
"wireless networking"
] | Wireless networking is all-pervasive in our modern lives. Wi-Fi technology lives in our smartphones, our laptops, and even our watches. Internet is available to be plucked out of the air in virtually every home across the country. Wi-Fi has been one of the grand computing revolutions of the past few decades.
It might s... | 61 | 18 | [
{
"comment_id": "7458285",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-20T14:48:42",
"content": "Al Gore is Australian?B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7461734",
"author": "KDawg",
"timestamp": "20... | 1,760,371,814.378154 | ||
https://hackaday.com/2024/08/20/learning-how-a-nuclear-missile-stays-on-target/ | Learning How A Nuclear Missile Stays On Target | Al Williams | [
"Retrocomputing",
"Weapons Hacks"
] | [
"Minuteman",
"missile"
] | In 1962, unlike today, most things didn’t have computers in them. After all, the typical computer of the day was a fragile room-sized box that required a gaggle of high priests to service it. But the Minuteman I nuclear missile was stuffed full of pre-GPS navigation equipment and a computer. In a few years, by 1970, th... | 75 | 16 | [
{
"comment_id": "7451261",
"author": "thunderbird89",
"timestamp": "2024-08-20T12:10:38",
"content": "Summary: “The missile knows where it is at all times. It knows this because it knows where it isn’t. […]”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "745... | 1,760,371,814.549049 | ||
https://hackaday.com/2024/08/20/close-up-on-the-rp2350-hstx-peripheral/ | Close-Up On The RP2350 HSTX Peripheral | Jenny List | [
"Parts",
"Raspberry Pi"
] | [
"HSTX",
"raspberry pi pico 2",
"rp2350",
"serial"
] | The new Raspberry Pi Pico 2 with its RP2350 microcontroller has only been with us for a short time, and thus its capabilities are still being tested. One of the new peripherals is HSTX, for which the description “High speed serial port” does not adequately describe how far it is from the humble UART which the name migh... | 24 | 9 | [
{
"comment_id": "7446504",
"author": "Zoe",
"timestamp": "2024-08-20T08:41:01",
"content": "Important part left out, no receive functionality.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7447056",
"author": "psyke",
"timestamp": "2024-08-2... | 1,760,371,814.437876 | ||
https://hackaday.com/2024/08/19/2024-tiny-games-contest-save-the-stranded-puppies-of-moon-base-p/ | 2024 Tiny Games Contest: Save The Stranded Puppies Of Moon Base P! | Kristina Panos | [
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"ESP32"
] | Usually, if something is tiny, it’s probably pretty cute to boot. [Luke J. Barker]’s
lunar navigation game
is no exception to this unwritten rule. And as far as contest rules go, this one seems to fit rather nicely, as it is tiny on more than one level.
Moon Base P (for Puppies) is built upon a XIAO ESP32-C3, an SSD130... | 4 | 2 | [
{
"comment_id": "7450752",
"author": "helge",
"timestamp": "2024-08-20T12:00:21",
"content": "What an adorable game. However, since everything revolves around a single button, I feel that it should be a really nice switch. Non-representative value for the part shown could be 100 gf, while Cherry MX ... | 1,760,371,814.638624 | ||
https://hackaday.com/2024/08/19/amiga-interrupted-a-fresh-take-on-amiga-os/ | Amiga, Interrupted: A Fresh Take On Amiga OS | Heidi Ulrich | [
"Retrocomputing"
] | [
"amiga",
"amiga 2000",
"amiga os"
] | Serena OS is not just another operating system—it’s a playground for hackers, tinkerers, and Amiga enthusiasts pushing vintage hardware to new limits. Born from modern design principles and featuring pervasive preemptive concurrency and multi-user support,
[dplanitzer]’s Serena OS
is far from ordinary.
Running on Amiga... | 20 | 8 | [
{
"comment_id": "7447496",
"author": "RH",
"timestamp": "2024-08-20T09:28:58",
"content": "The Amiga depicted in the article’s header image would not be able to run SerenaOS. The Amiga 2000 did not originally ship with a 68030-class CPU.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,814.599376 | ||
https://hackaday.com/2024/08/21/ask-hackaday-how-can-we-leverage-tech-for-education/ | Ask Hackaday: How Can We Leverage Tech For Education? | Al Williams | [
"Rants"
] | [
"education",
"mathematics"
] | If you’re like us, you’ve studied the mathematician [Euler], but all you really remember is that you pronounce his name like “oiler” and not much else. [Welch Labs], on the other hand, not only remembers what he learned about logarithms and imaginary numbers but also has
a beautiful video
with helpful 3D graphics to ex... | 30 | 11 | [
{
"comment_id": "7499903",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-21T14:07:10",
"content": "Since this is “Ask Hackaday”, does every comment have to include a question?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7501804",
... | 1,760,371,816.322773 | ||
https://hackaday.com/2024/08/21/how-jurassic-parks-dinosaur-input-device-bridged-the-stop-motion-and-cgi-worlds/ | HowJurassic Park’sDinosaur Input Device Bridged The Stop-Motion And CGI Worlds | Maya Posch | [
"Art"
] | [
"cgi",
"computer generated imagery",
"stop motion"
] | In a double-blast from the past, [Ian Failes]’
2018 interview
with [Phil Tippett] and others who worked on
Jurassic Park
is a great look at how the dinosaurs in this 1993 blockbuster movie came to be. Originally conceived as stop-motion animatronics with some motion blurring applied using a method called go-motion, a l... | 8 | 6 | [
{
"comment_id": "7496596",
"author": "adobeflashater again",
"timestamp": "2024-08-21T12:04:21",
"content": "Don’t know what methods were used on Jurrasic 3 graphics, but when the somesortasuraus was ripping the plane fuselage apart?Ad a large, old school, stereo and it was danged entertaining to wa... | 1,760,371,816.652794 | ||
https://hackaday.com/2024/08/21/pulling-apart-a-premium-webcam/ | Pulling Apart A Premium WebCam | Al Williams | [
"digital cameras hacks",
"Teardown"
] | [
"webcam"
] | Over at EDN, [Brian Dipert] has been tearing down web cameras. A few months ago, he broke into a bargain basement camera. This time,
he’s looking into a premium unit
. Although we have to admit from some of what he reports, we are a little surprised at some of the corners cut. For example, it’s a 4K camera that doesn’t... | 29 | 5 | [
{
"comment_id": "7492519",
"author": "paulvdh",
"timestamp": "2024-08-21T09:04:00",
"content": "Does anyone know what the size is of that weird round coppery thing in half the pictures? This might help to judge the size of other things in those pictures.",
"parent_id": null,
"depth": 1,
... | 1,760,371,816.726181 | ||
https://hackaday.com/2024/08/20/does-solar-energy-make-us-vulnerable/ | Does Solar Energy Make Us Vulnerable? | Al Williams | [
"Solar Hacks"
] | [
"power grid",
"solar power"
] | Here’s a hypothetical situation. You decide to build your own steam generator plant and connect it to the electric grid. No matter where you live, you’d probably have to meet a ton of requirements from whoever controls your electric power, almost surely backed by your government. Yet,
according to a recent post by [Ber... | 86 | 26 | [
{
"comment_id": "7488052",
"author": "tomás zerolo",
"timestamp": "2024-08-21T05:37:45",
"content": "Thanks for the heads-up.I’ve put some PV on my roof, with an inverter. Of course, I’ve yet refused to install any app. It seems to be quietly doing its job without any connectivity (unless it has hac... | 1,760,371,816.955079 | ||
https://hackaday.com/2024/08/20/wow-it-wasnt-aliens-after-all/ | WOW! It Wasn’t Aliens After All! | Jenny List | [
"Science",
"Space"
] | [
"Arecibo",
"Radio Astronomy",
"The Wow! Signal"
] | There may not be many radio astronomy printouts that have achieved universal fame, but the one from Ohio State University’s Big Ear telescope upon which astronomer [Jerry R. Ehman] wrote “WOW!” is definitely one of them. It showed an intense one-off burst that defied attempts to find others like it, prompting those who... | 21 | 11 | [
{
"comment_id": "7483363",
"author": "Danjovic",
"timestamp": "2024-08-21T02:09:31",
"content": "Peter Hogarth antecipated that, and he was right! Thank you mr. Lem!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7483808",
"author": "TG",
"timestamp": ... | 1,760,371,816.516695 | ||
https://hackaday.com/2024/08/20/are-you-using-your-calipers-wrong/ | Are You Using Your Calipers Wrong? | Al Williams | [
"Tool Hacks"
] | [
"calipers",
"measurement devices"
] | It used to be that calipers were not a common item to have in an electronics lab. However, smaller parts, the widespread use of 3D printers and machining tools, and — frankly — cheap imported calipers have made them as commonplace as an ordinary ruler in most shops. But are you using yours correctly? [James Gatlin] was... | 50 | 14 | [
{
"comment_id": "7478709",
"author": "Pudlo",
"timestamp": "2024-08-20T23:22:17",
"content": "The “China Export” thing is a myth.https://en.m.wikipedia.org/wiki/CE_marking#MisuseThe [European] Commission responded that it was unaware of the existence of any “Chinese Export” mark and that, in its vie... | 1,760,371,816.60537 | ||
https://hackaday.com/2024/08/20/pulling-hydrogen-out-of-the-water/ | Pulling Hydrogen Out Of The Water | Al Williams | [
"Science"
] | [
"hydrogen"
] | In theory, water and electric current will cause electrolysis and produce oxygen and hydrogen as the water breaks apart. In practice, doing it well can be tricky. [Relic] shows an efficient way to produce
an electrolysis cell
using a few plastic peanut butter jars and some hardware.
The only tricky point is that you ne... | 23 | 11 | [
{
"comment_id": "7472913",
"author": "Jon Mayo",
"timestamp": "2024-08-20T20:21:17",
"content": "When I made a hydrolysis machine when I was a teenager (13-14?) I had a lot of problems with corrosion. My solution was I pulled the carbon rods of the D cells. I very tightly tied stranded copper wire t... | 1,760,371,816.207528 | ||
https://hackaday.com/2024/08/19/a-trackball-retro-laptop/ | A Trackball Retro Laptop | Navarre Bartz | [
"computer hacks",
"Raspberry Pi"
] | [
"luggable",
"ortholinear keyboard",
"portable computer",
"track ball"
] | While track pads and mice dominate the pointing device landscape today, there was a time when track balls were a major part of the scene. In order to really sell the retro chops of his portable computer, [Ominous Industries] designed a
clip-on style track ball
for his retro Raspberry Pi laptop.
Starting with a half cir... | 6 | 3 | [
{
"comment_id": "7461887",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-20T15:22:06",
"content": "My wife’s old laptop (1993 Toshiba 386 T4700 something) has a clip on trackball.Every now and then I look for a replacement floppy drive for it in order to be able to load a de... | 1,760,371,816.363597 | ||
https://hackaday.com/2024/08/19/cost-optimized-raspberry-pi-5-released-with-2-gb-ram-and-d0-stepping/ | Cost-Optimized Raspberry Pi 5 Released With 2 GB RAM And D0 Stepping | Maya Posch | [
"News",
"Raspberry Pi"
] | [
"2GB",
"Pi 5",
"Raspberry Pi 5"
] | When the Raspberry Pi 5 SBC was released last year, it came in 4 and 8 GB RAM variants, which currently retail from around $80 USD and €90 for the 8 GB variant to $60 and €65 for the 4 GB variant. Now Raspberry Pi has
announced the launch
of a third Raspberry Pi 5 variant: a 2 GB version which also features a new stepp... | 42 | 13 | [
{
"comment_id": "7422556",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-19T20:10:24",
"content": "Today I received an email from Seeed Studio announcing a 2Gb version of the Pi 5.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7425057... | 1,760,371,816.81475 | ||
https://hackaday.com/2024/08/19/historical-microsoft-and-apple-artifacts-among-first-christies-auction-of-living-computers-museum/ | Historical Microsoft And Apple Artifacts Among First Christie’s Auction Of Living Computers Museum | Maya Posch | [
"News",
"Retrocomputing"
] | [
"computer history museum",
"retrocomputing"
] | Recently the Christie’s auction house
released the list of items
that would be
going up for sale
as part of the first lot of Living Computer Museum items, under the banner “Gen One: Innovations from the Paul G. Allen Collection”. One auction covers many
‘firsts’ in the history of computing
, including a range of compu... | 9 | 5 | [
{
"comment_id": "7422119",
"author": "Adrian",
"timestamp": "2024-08-19T19:57:34",
"content": "The most depressing part is, that the proceeds will disappear in a “charity” (aka slush fund) of billionaire heirs. They probably don’t even pay taxes on it like us lowly Ebayers have to these days.",
... | 1,760,371,816.253496 | ||
https://hackaday.com/2024/08/19/portable-router-build-finding-an-lte-modem/ | Portable Router Build: Finding An LTE Modem | Arya Voronova | [
"Hackaday Columns",
"Network Hacks"
] | [
"diy",
"network",
"router"
] | Ever want your project equipped with a cellular interface for a data uplink? Hop in, I have been hacking on this for a fair bit! As you might remember, I’m building a router,
I told you about how I picked its CPU board
, and learned some lessons from me daily-driving it as a for a bit – that prototype has let me learn ... | 8 | 3 | [
{
"comment_id": "7418850",
"author": "Thorsten von Eicken",
"timestamp": "2024-08-19T18:40:21",
"content": "I find the biggest hassles are getting a SIM card with good rate from a provider that allows data-only devices and then to ensure that the cellular network accepts the data-only device IMEI (V... | 1,760,371,817.014264 | ||
https://hackaday.com/2024/08/19/get-more-freedom-with-this-guitar-pedal/ | Get More Freedom With This Guitar Pedal | Bryan Cockfield | [
"Musical Hacks"
] | [
"axis",
"degrees of freedom",
"guitar",
"IMU",
"midi",
"music",
"pedal",
"pitch",
"Roll",
"rp2040",
"yaw"
] | When the electric guitar was first produced in the 1930s, there was some skepticism among musicians as to whether or not this instrument would have lasting impact or be a flash-in-the-pan novelty. Since this was more than a decade before the invention of the transistor, it would have been hard then to imagine the possi... | 13 | 5 | [
{
"comment_id": "7413684",
"author": "Zoe",
"timestamp": "2024-08-19T16:09:48",
"content": "Wrong side up, usb should be on bottom.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7414378",
"author": "RunnerPack",
"timestamp": "2024-08-19T16:2... | 1,760,371,817.402251 | ||
https://hackaday.com/2024/08/19/this-is-not-a-laptop-its-a-kvm-combo/ | This Is Not A Laptop, It’s A KVM Combo | Donald Papp | [
"Crowd Funding",
"Featured",
"Reviews"
] | [
"kvm",
"laptop",
"portable monitor"
] | A spare monitor and keyboard are handy things to have around, but they’re a bit of a hassle. They are useful for hardware development, plugging in to headless servers, or firing up a Raspberry Pi or similar single-board computer (SBC). If that’s something you do and portability and storage space are important to you, t... | 67 | 31 | [
{
"comment_id": "7409989",
"author": "Peter",
"timestamp": "2024-08-19T14:25:53",
"content": "So this is great but really reminds me of something that has been bugging me for years.. Why not implement a switchbutton on a regular laptop essentially opening up an HDMI IN and a USB for mouse and keyboa... | 1,760,371,817.628974 | ||
https://hackaday.com/2024/08/19/building-a-paper-tape-reader-to-read-bytes/ | Building A Paper Tape Reader To Read Bytes | Maya Posch | [
"Retrocomputing"
] | [
"paper tape",
"punched tape"
] | Over at the
Usagi Electric
farm, [David Lovett]’s custom 1-bit, vacuum tube-based computer (UEVTC for short) has been coming along well the past years, matching and exceeding the Motorola MC14500B 1-bit industrial control unit (ICU) that it is heavily inspired by. What is still missing, however, is a faster way to get ... | 19 | 6 | [
{
"comment_id": "7405913",
"author": "Danjovic",
"timestamp": "2024-08-19T12:33:22",
"content": "Instead of reling on small photodetector that are not always available, use small leds, that are much more common, and a single photodetector.You can also use the LEDs as a photodetector.Both cases can b... | 1,760,371,817.354249 | ||
https://hackaday.com/2024/08/19/an-open-source-6kw-gan-motor-controller/ | An Open Source 6kW GaN Motor Controller | Dave Rowntree | [
"hardware"
] | [
"driver",
"GaN",
"mosfet",
"motor"
] | We don’t know how you feel when designing hardware, but we get uncomfortable at the extremes. High voltage or current, low noise figures, or extreme frequencies make us nervous. [Orion Serup] from CrabLabs has been turning up a few of those variables
and has created a
fairly beefy 3-phase motor driver using GaN techno... | 35 | 8 | [
{
"comment_id": "7401761",
"author": "ziew",
"timestamp": "2024-08-19T10:03:25",
"content": "I never looked into GaN semiconductors, so I’m a bit confused. I was trying to find some beefy transistors on the rendered images to no avail. Are those tiny blue blobs actual transistors handling 70A of con... | 1,760,371,817.294069 | ||
https://hackaday.com/2024/08/18/machining-copper-from-algaecide/ | Machining Copper From Algaecide | Al Williams | [
"chemistry hacks"
] | [
"algaecide",
"copper",
"machining",
"smelting"
] | We love it when we find someone on the Internet who has the exact same problem we do and then solves it. [Hyperspace Pirate] starts a recent video by saying, “Oh no! I need to get rid of the algae in my pond, but I bought too much algaecide. If only there were a way to turn all this
excess into CNC machined parts
.” OK... | 5 | 1 | [
{
"comment_id": "7410456",
"author": "velli",
"timestamp": "2024-08-19T14:40:07",
"content": "Most of us might want to use old PCBs as a copper source:https://www.sciencedirect.com/science/article/abs/pii/S2214993722001130And those of us with too much algae might want to try reducing nutrient inputs... | 1,760,371,817.210075 | ||
https://hackaday.com/2024/08/18/quantum-sensor-uses-synthetic-diamond/ | Quantum Sensor Uses Synthetic Diamond | Al Williams | [
"Science"
] | [
"diamond",
"magnetometer",
"quantum"
] | Diamonds are nearly perfect crystals, but not totally perfect. The defects in these crystals give the stones their characteristic colors. But one type of defect, the NV —
nitrogen-vacancy
— center, can hold a particular spin, and you can change that spin with the correct application of energy. [Asianometry] explains wh... | 3 | 2 | [
{
"comment_id": "7391473",
"author": "Gravis",
"timestamp": "2024-08-19T03:11:54",
"content": "Actual link to information aboutnitrogen-vacancy center.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7394351",
"author": "tomás",
"timestamp": "... | 1,760,371,817.161857 | ||
https://hackaday.com/2024/08/18/hackaday-links-august-18-2024/ | Hackaday Links: August 18, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"74HCxx",
"autonomous",
"bicycle",
"bluetooth",
"derailleur",
"driverless",
"fft",
"fpga",
"hackaday links",
"horn",
"job",
"parametric",
"racing",
"san francisco",
"search",
"spreadsheet",
"tootle",
"vulnerability",
"Waymo",
"wireless"
] | They’re back! The San Francisco autonomous vehicle hijinks, that is, as Waymo’s fleet of driverless cars recently took up the fun new hobby of
honking their horns in the wee hours of the morning
. Meat-based neighbors of a Waymo parking lot in the South Market neighborhood took offense at the fleet of autonomous vehicl... | 4 | 3 | [
{
"comment_id": "7392603",
"author": "echodelta",
"timestamp": "2024-08-19T03:44:54",
"content": "I can’t imagine running shifters off of coin ($$$) cells, tiny motors grit and gunk to save having anything outside of the tube frame. No cables inside either. If the shifters ran off a 18650 with wirin... | 1,760,371,817.718015 | ||
https://hackaday.com/2024/08/18/2024-tiny-games-contest-coming-at-ya-with-zero-dimensional-pong/ | 2024 Tiny Games Contest: Coming At Ya With Zero-Dimensional PONG | Kristina Panos | [
"contests",
"Games"
] | [
"2024 Tiny Games Challenge"
] | A decade is a long time to carry around a project idea in your head. Fortunately, the Tiny Games Contest happens to coincide with [Senile Data Systems]’s getting back into ATMega programming, so
they can finally make their zero-dimensional PONG dreams come true
(and have the chance at great prizes, too, of course).
If ... | 5 | 2 | [
{
"comment_id": "7391714",
"author": "David",
"timestamp": "2024-08-19T03:17:38",
"content": "Does luminosity count as a dimension?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7394635",
"author": "Shays",
"timestamp": "2024-08-19T05:45:53"... | 1,760,371,817.67376 | ||
https://hackaday.com/2024/08/18/meta-doesnt-allow-camera-access-on-vr-headsets-so-heres-a-workaround/ | Meta Doesn’t Allow Camera Access On VR Headsets, So Here’s A Workaround | Donald Papp | [
"Software Hacks",
"Virtual Reality"
] | [
"mobilenet",
"object detection",
"Quest",
"vr"
] | The cameras at the front of Meta’s Quest VR headsets are off-limits to developers, but developer [Michael Gschwandtner]
created a workaround
(Linkedin post) and
shared implementation details with a VR news site
.
The view isn’t a pure camera feed (it includes virtual and UI elements) but it’s a clever workaround.
The d... | 13 | 6 | [
{
"comment_id": "7364015",
"author": "N8bits",
"timestamp": "2024-08-18T16:55:40",
"content": "It’s ironic how they lock camera for devs, but they have all the access like “trust us bro”. I understand why they lock it, but it feels weird. I will be hacking my headset if I ever go back to Meta. At le... | 1,760,371,817.771378 | ||
https://hackaday.com/2024/08/18/reverse-engineering-the-amd-secure-processor-inside-the-cpu/ | Reverse-Engineering The AMD Secure Processor Inside The CPU | Maya Posch | [
"Reverse Engineering"
] | [
"amd",
"reverse engineering",
"x86"
] | On an x86 system the BIOS is the first part of the system to become active along with the basic CPU core(s) functionality, or so things used to be until Intel introduced its Management Engine (IME) and AMD its AMD Secure Processor (AMD-SP). These are low-level, trusted execution environments, which in the case of AMD-S... | 10 | 4 | [
{
"comment_id": "7355099",
"author": "Charon",
"timestamp": "2024-08-18T12:44:04",
"content": "“the workings of the CCP” ……. how apt , is IP theft in that bundle ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7387496",
"author": "Grr",
"ti... | 1,760,371,817.8227 | ||
https://hackaday.com/2024/08/18/categorizing-steel/ | Categorizing Steel | Al Williams | [
"Misc Hacks"
] | [
"machining",
"steel",
"tool steel"
] | In the movie
Conan the Barbarian,
we hear a great deal about “the riddle of steel.” We are never told exactly what that riddle is, but in modern times, it might be: What’s the difference between 4150 and 1020 steel? If you’ve been around a machine shop, you’ve probably heard the AISI/SAE numbers, but if you didn’t know... | 24 | 9 | [
{
"comment_id": "7353362",
"author": "Prfesser",
"timestamp": "2024-08-18T11:14:34",
"content": "An L in the designation means “leaded steel”. Lead may be toxic but it certainly improves the machinability. Source: my lathe. ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,817.890578 | ||
https://hackaday.com/2024/08/17/simple-3d-printed-table-loom-for-complex-weavings/ | Simple 3D-Printed Table Loom For Complex Weavings | Heidi Ulrich | [
"classic hacks",
"how-to",
"Tech Hacks"
] | [
"looms",
"textile",
"textiles",
"weaving",
"yarn",
"yarn work"
] | The loom has been a transformative invention throughout history, shaping the textile industry from simple hand looms to complex, fully automated machines. Now, thanks to advancements in 3D printing, this age-old craft is being revitalized by modern makers. One such creator, [Fraens], has recently designed
a unique 3D-p... | 17 | 6 | [
{
"comment_id": "7350552",
"author": "John",
"timestamp": "2024-08-18T08:13:31",
"content": "I would never do this but I think this a really cool. The design and building of the loom was awesome to see.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7352239",... | 1,760,371,818.05344 | ||
https://hackaday.com/2024/08/17/retrotechtacular-powerline-sagging-and-stringing-in-the-1950s/ | Retrotechtacular: Powerline Sagging And Stringing In The 1950s | Dan Maloney | [
"Retrotechtacular"
] | [
"Bonneville",
"BPA",
"catenary",
"Columbia River",
"Coulee",
"distribution",
"grid",
"high voltage",
"retrotechtacular",
"transmission"
] | While high-voltage transmission lines are probably the most visible components of the electrical grid, they’re certainly among the least appreciated. They go largely unnoticed by the general public — quick, name the power line closest to you right now — at least until a new one is proposed, causing the NIMBYs and BANAN... | 13 | 9 | [
{
"comment_id": "7345647",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-18T03:11:20",
"content": "Yeah, attached to a swinging ladder with a leather strap around the waist high above the ground.That’s a job I wouldn’t volunteer to do.",
"parent_id": null,
"depth": 1... | 1,760,371,817.996759 | ||
https://hackaday.com/2024/08/17/spy-tech-making-microdots/ | Spy Tech: Making Microdots | Al Williams | [
"Misc Hacks"
] | [
"film",
"Microdot",
"microfilm",
"steganography"
] | It isn’t just a spy movie trope: secret messages often show up as microdots. [The Thought Emporium] explores the
history of microdots
and even made a few, which turned out to be — to quote the video you can see below — “both easier than you might think, and yet also harder in other ways.”
If you want to hide a secret m... | 17 | 7 | [
{
"comment_id": "7341734",
"author": "Paul",
"timestamp": "2024-08-17T23:19:07",
"content": "” technology allowed microdots to hold a page in only ten square microns”Please say more… this sounds improbable.It’s impossible to focus light to less than a wavelength or so spot, or 0.4 microns, effective... | 1,760,371,817.945199 | ||
https://hackaday.com/2024/08/17/olympic-sprint-decided-by-40000-fps-photo-finish/ | Olympic Sprint Decided By 40,000 FPS Photo Finish | Heidi Ulrich | [
"Current Events",
"digital cameras hacks"
] | [
"computer vision",
"fps",
"frames per second",
"olympic",
"olympics",
"omega",
"Paris"
] | Advanced technology played a crucial role in determining the winner of the men’s 100-meter final at the Paris 2024 Olympics. In a historically close race, American sprinter Noah Lyles narrowly edged out Jamaica’s Kishane Thompson by just five-thousandths of a second. The final decision relied on an image captured by an... | 55 | 18 | [
{
"comment_id": "7336650",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-17T20:10:44",
"content": "So, the camera scans only 1 vertical line at a time (very quickly) and the image is constructed from subsequent lines?",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,371,818.342541 | ||
https://hackaday.com/2024/08/17/2024-tiny-games-challenge-its-2048-but-with-leds/ | 2024 Tiny Games Challenge: It’s 2048, But With LEDs | Kristina Panos | [
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"2048",
"ws2812"
] | Remember the game 2048? You slide numbered tiles around on a grid, combining them until you have one tile with a value of 2048 (although it’s possible to go higher). Legend has it that 2048 was created by a bored teenager in the space of a weekend to see if he could program a game from scratch.
It only took a couple of... | 8 | 4 | [
{
"comment_id": "7336024",
"author": "FEW",
"timestamp": "2024-08-17T19:43:47",
"content": "That looks very fun. I think my spouse and kid might get me to build a larger version for them.🙂",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7336500",
"au... | 1,760,371,818.157793 | ||
https://hackaday.com/2024/08/17/your-data-in-the-cloud/ | Your Data In The Cloud | Elliot Williams | [
"Hackaday Columns"
] | [
"breach",
"newsletter",
"security"
] | I try not to go off on security rants in the newsletter, but this week I’m unable to hold back.
An apparent breach of a data aggregator
has resulted in a monster dataset of US, UK, and Canadian citizens names, addresses, and social security numbers. As a number of reports have pointed out, the three billion records in ... | 33 | 14 | [
{
"comment_id": "7327191",
"author": "Ostracus",
"timestamp": "2024-08-17T14:17:21",
"content": "Maybe they can hide the data?https://thecyberguild.org/blog-posts/invisible-data-raise-the-bar-on-the-cyberspace-attacker/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,371,818.581775 | ||
https://hackaday.com/2024/08/24/a-journey-into-unexpected-serial-ports/ | A Journey Into Unexpected Serial Ports | Jenny List | [
"classic hacks",
"Peripherals Hacks"
] | [
"garmin",
"rs232",
"serial",
"ttl"
] | Through all the generations of computing devices from the era of the teleprinter to the present day, there’s one interface that’s remained universal. Even though its usefulness as an everyday port has decreased in the face of much faster competition, it’s fair to say that
everything
has a serial port on board somewhere... | 17 | 3 | [
{
"comment_id": "7597557",
"author": "Stappers",
"timestamp": "2024-08-24T11:21:58",
"content": "For what it is worth, the operating circuit athttp://www.1pico.com/wp-content/uploads/2015/06/MAX232.gifshows inverters. Yeah, assumed prior knowledge is knowing what the MAX232 chip does.",
"paren... | 1,760,371,818.408951 | ||
https://hackaday.com/2024/08/24/intuitive-explanation-of-arithmetic-geometric-harmonic-mean/ | Intuitive Explanation Of Arithmetic, Geometric & Harmonic Mean | Maya Posch | [
"Science"
] | [
"mean",
"statistics"
] | The simple definition of a
mean
is that of a numeric quantity which represents the center of a collection of numbers. Here the trick lies in defining the exact type of numeric collection, as beyond the arithmetic mean (AM for short, the sum of all values divided by their number) there are many more, with the other two ... | 8 | 2 | [
{
"comment_id": "7599566",
"author": "PWalsh",
"timestamp": "2024-08-24T13:22:34",
"content": "The total resistance of a set of resistors in parallel is the harmonic mean. I’m surprised Maya didn’t mention this, given that it’s Hackaday.Additionally, we recently had an article asking about using tec... | 1,760,371,818.463733 | ||
https://hackaday.com/2024/08/23/a-game-of-snake-on-a-lego-mechanical-computer/ | A Game OfSnakeOn A LEGO Mechanical Computer | Dan Maloney | [
"Games"
] | [
"buffer",
"lego",
"logic",
"Pneumatics",
"snake",
"Technics"
] | Really, [OzzieGerff] had us at “LEGO.” But then he took it to another place entirely and built
a completely mechanical, nearly 100% LEGO version of
Snake
. And it’s just as cool as it sounds.
Mind you, it’s a little hard to grok how this whole contraption works, which has been in the works for a while, but we’ll try to... | 6 | 4 | [
{
"comment_id": "7593106",
"author": "jpa",
"timestamp": "2024-08-24T06:08:21",
"content": "I wonder if they actually intend to build this, or if it is just a design (and some per-component prototypes). The plans show it would take two cubic meters of space which sounds quite a challenge.",
"par... | 1,760,371,818.508521 | ||
https://hackaday.com/2024/08/23/you-can-get-a-precision-instrument-guided-landing-even-in-antarctica/ | You Can Get A Precision Instrument-Guided Landing Even In Antarctica | Lewin Day | [
"Misc Hacks"
] | [
"airbase",
"airport",
"als",
"antarctica",
"instrument landing system",
"landing strip"
] | Traditional airports spend big money to install instrument landing systems (ILS) to guide planes in safely. In places like Antarctica, though, it’s simply not possible to permanently install a massive antenna array for localization, particularly with all the ice shifting about on the regular. As covered by
Flightradar2... | 8 | 5 | [
{
"comment_id": "7594254",
"author": "Sword",
"timestamp": "2024-08-24T07:35:39",
"content": "I wonder why more airports don’t use them?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7598735",
"author": "lol",
"timestamp": "2024-08-24T12:32:... | 1,760,371,818.6402 | ||
https://hackaday.com/2024/08/23/creating-customized-diffraction-lenses-for-lasers/ | Creating Customized Diffraction Lenses For Lasers | Bryan Cockfield | [
"Science"
] | [
"diffraction",
"diffraction grating",
"film",
"laser",
"lens",
"light",
"point source",
"python"
] | [The Thought Emporium] has been fascinated by holograms for a long time, and in all sorts of different ways. His ultimate goal right now is to work up to creating holograms using chocolate, but along the way he’s found another interesting way to manipulate light. Using specialized diffraction gratings, a laser, and a f... | 3 | 2 | [
{
"comment_id": "7588195",
"author": "Robert Lockwood",
"timestamp": "2024-08-24T01:56:37",
"content": "This is really cool.I first learned about diffraction in 1962 in my Light and Theoretical Optics course lab. As I recall we filtered and collimated light from a sodium vapor source (no lasers th... | 1,760,371,818.679078 | ||
https://hackaday.com/2024/08/23/tiny-custom-keyboard-gets-rgb/ | Tiny Custom Keyboard Gets RGB | Lewin Day | [
"Peripherals Hacks"
] | [
"atmega32u4",
"keyboard",
"rgb"
] | Full-size keyboards are great for actually typing on and using for day-to-day interfacing duties. They’re less good for impressing the Internet. If you really want to show off, you gotta go really big — or really small.
[juskim] went the latter route, and added RGB to boot!
This was [juskim]’s attempt to produce the wo... | 12 | 7 | [
{
"comment_id": "7581871",
"author": "Jimbo the Annihilator",
"timestamp": "2024-08-23T20:06:10",
"content": "It’s very cute and a nice learning project, but would be nice to see something a bit more useful and less gimmicky… a portable keyboard could be a very useful thing and",
"parent_id": nu... | 1,760,371,819.551344 | ||
https://hackaday.com/2024/08/23/hackaday-podcast-episode-285-learning-laser-tricks-rocket-science-and-a-laptop-thats-not-a-laptop/ | Hackaday Podcast Episode 285: Learning Laser Tricks, Rocket Science, And A Laptop That’s Not A Laptop | Kristina Panos | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week on the Podcast, we have something a little different for you. Elliot is on vacation, so Tom was in charge of running the show and he had Kristina in the hot seat.
First up in the news:
the 2024 Tiny Games Challenge is still underway
and has drawn an impressive 44 entries as of this writing. You have until 9AM... | 1 | 1 | [
{
"comment_id": "7771747",
"author": "Jason",
"timestamp": "2024-08-30T01:49:55",
"content": "Wind up torch/radio",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,818.828386 | ||
https://hackaday.com/2024/08/16/this-week-in-security-three-billion-ss-numbers-ipv6-rce-and-ring-2/ | This Week In Security: Three Billion SS Numbers, IPv6 RCE, And Ring -2 | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"data breach",
"IPv6",
"RCE",
"This Week in Security"
] | You may have heard about a very large data breach, exposing the Social Security numbers of three billion individuals. Now hang on. Social Security numbers are a particularly American data point, and last time we checked there were quite a few Americans shy of even a half of a billion’s worth. As
[Troy Hunt] points out
... | 3 | 3 | [
{
"comment_id": "7307847",
"author": "ButterYourGhost",
"timestamp": "2024-08-16T22:29:32",
"content": "Think I can offer some insight into those clearly misleading numbers.You are correct in your assumption that they are extremely high considering the number of active SSN in the USA. However having... | 1,760,371,818.869824 | ||
https://hackaday.com/2024/08/16/hackaday-podcast-episode-284-laser-fault-injection-console-hacks-and-too-much-audio/ | Hackaday Podcast Episode 284: Laser Fault Injection, Console Hacks, And Too Much Audio | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | The summer doldrums are here, but that doesn’t mean that Elliot and Dan couldn’t sift through the week’s hack and find the real gems. It was an audio-rich week, with a nifty microsynth, music bounced off the moon, and everything you always wanted to know about Raspberry Pi audio but were afraid to ask. We looked into t... | 1 | 1 | [
{
"comment_id": "7300746",
"author": "helge",
"timestamp": "2024-08-16T17:47:17",
"content": "Deep drilling on Mars? Ever deeper into the rabbit hole it goes for the drill gear that will have to be produced locally due to the absurd weight of it: “Metals extraction on Mars through carbothermic reduc... | 1,760,371,818.92015 | ||
https://hackaday.com/2024/08/16/lunar-lander-game-asks-you-to-write-a-simple-autopilot/ | Lunar Lander Game Asks You To Write A Simple Autopilot | Donald Papp | [
"Games"
] | [
"game",
"javascript",
"lunar lander",
"Moon landing"
] | Everyone likes a good lunar landing simulator, and [Dominic Doty] wrote a fun take on the idea:
your goal is to write an autopilot controller
to manage the landing. Try it out!
Virtual landers are far cheaper than real ones, thank goodness.
[Dominic] was inspired in part by
this simple rocket landing game
which is very... | 28 | 12 | [
{
"comment_id": "7297396",
"author": "Neil Armstrong",
"timestamp": "2024-08-16T15:38:41",
"content": "Pretty cool, but do not try to just write the wordprintin the editor LMAO",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7323274",
"author": "Mathi... | 1,760,371,819.180218 | ||
https://hackaday.com/2024/08/16/a-modern-take-on-an-old-language/ | A Modern Take On An Old Language | Al Williams | [
"Featured",
"History",
"Retrocomputing",
"Software Development"
] | [
"APL"
] | Some old computer languages are destined to never die. They do, however, evolve. For example, Fortran, among the oldest of computer languages, still has adherents, not to mention a ton of legacy code to maintain. But it doesn’t force you to pretend you are using punched cards anymore. In the 1970s, if you wanted to cru... | 44 | 32 | [
{
"comment_id": "7295509",
"author": "Bill T",
"timestamp": "2024-08-16T14:28:14",
"content": "In high school we had an IBM system card eating system with the selectric terminal.When we loaded APL, we would replace the type ball for the selectric with one with the APL character set, and had plastic ... | 1,760,371,819.278515 | ||
https://hackaday.com/2024/08/16/rebuilding-the-first-digital-personal-computer/ | Rebuilding The First Digital Personal Computer | Bryan Cockfield | [
"Retrocomputing"
] | [
"7400",
"integrated circuits",
"kenbak-1",
"pcb",
"period-correct",
"power supply",
"recreation",
"retrocomputing",
"transistors",
"ttl"
] | When thinking of the first PCs, most of us might imagine something like the Apple I or the TRS-80. But even before that, there were a set of computers that often had no keyboard, or recognizable display beyond a few blinking lights. [Artem Kalinchuk]
is attempting to recreate one of these very early digital computers, ... | 15 | 8 | [
{
"comment_id": "7294067",
"author": "Corey",
"timestamp": "2024-08-16T13:18:17",
"content": "Not sure what the specs are on the bulbs he was looking for, but maybe look at 70’s home stereo equipment. The time period is roughly the same, so supply chains would have had similar bulbs available for R&... | 1,760,371,819.34017 | ||
https://hackaday.com/2024/08/16/robust-speech-to-text-running-locally-on-quest-vr-headset/ | Robust Speech-to-Text, Running Locally On Quest VR Headset | Donald Papp | [
"Software Development",
"Virtual Reality"
] | [
"speech to text",
"transcription",
"vr",
"whisper"
] | [saurabhchalke] recently released
whisper.unity
, a Unity package that implements
whisper
locally on the Meta Quest 3 VR headset, bringing nearly real-time transcription of natural speech to the device in an easy-to-use way.
Whisper is a robust and free open source neural network capable of quickly recognizing and tran... | 3 | 3 | [
{
"comment_id": "7286150",
"author": "TG",
"timestamp": "2024-08-16T08:11:30",
"content": "This was indeed one of the first things I noticed with the 3, using voice commands is very reliable and fluid. Feels quite nice, it’s a really big improvement over the Quest 2",
"parent_id": null,
"dep... | 1,760,371,819.498041 | ||
https://hackaday.com/2024/08/15/uc-berkeley-prints-glass-nanoparticles/ | UC Berkeley Prints Glass Nanoparticles | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"fused silica",
"glass"
] | In a recent video, [Joel] of
3D Printing Nerd
interviews a researcher at University of California, Berkeley
about their work with glass 3D printing technology
. A resin is impregnated with tiny glass nanoparticles and produces green parts. An oven burns away the resin and then another heating step produces the actual s... | 8 | 2 | [
{
"comment_id": "7285829",
"author": "TG",
"timestamp": "2024-08-16T07:57:20",
"content": "Could make some extremely intricate jewelry that will have future archaeologists scratching their heads",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7295451",
... | 1,760,371,819.456284 | ||
https://hackaday.com/2024/08/17/the-first-air-force-one-and-how-it-was-nearly-lost-forever/ | The First Air Force One And How It Was Nearly Lost Forever | Maya Posch | [
"History",
"Transportation Hacks"
] | [
"airplane",
"restoration",
"us air force"
] | Although the designation ‘Air Force One’ is now commonly known to refer to the airplane used by the President of the United States, it wasn’t until Eisenhower that the US President would make significant use of a dedicated airplane. He would have a Lockheed VC-121A kitted out to act as his office as commander-in-chief.... | 14 | 5 | [
{
"comment_id": "7329529",
"author": "Miles",
"timestamp": "2024-08-17T15:41:52",
"content": "No link to the story of the near accident?https://www.popularmechanics.com/flight/a20122/how-the-very-first-air-force-one-was-saved/",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,819.408289 | ||
https://hackaday.com/2024/08/17/laser-art-inspired-by-the-ford-motor-company/ | Laser Art Inspired By The Ford Motor Company | Al Williams | [
"Art",
"Laser Hacks"
] | [
"laser engraver"
] | Have you ever heard of Fordite? It was a man-made agate-like stone that originated from the Ford auto factories in the 1920s. Multiple layers of paint would build up as cars were painted different colors, and when it was thick enough, workers would cut it, polish it, and use it in jewelry. [SheltonMaker] uses a similar... | 7 | 4 | [
{
"comment_id": "7320576",
"author": "Joseph Eoff",
"timestamp": "2024-08-17T09:20:08",
"content": "The paint mixing machines in hardware stores often have a “drip catcher” bucket. The pigment nozzles park over the bucket so the drops don’t make a mess.I’ve often thought there must be something art... | 1,760,371,819.599212 | ||
https://hackaday.com/2024/08/16/a-usa-feature-for-a-europe-market-sony-receiver/ | A USA Feature For A Europe-Market Sony Receiver | Jenny List | [
"home entertainment hacks"
] | [
"av",
"network standby",
"sony"
] | A feature of many modern network-connected entertainment devices is that they will play streamed music while on standby mode. This so-called “network standby”is very useful if you fancy some gentle music but don’t want the Christmas lights or the TV. It was a feature [Caramelfur] missed on their Sony AV receiver, somet... | 23 | 8 | [
{
"comment_id": "7315688",
"author": "Schobi",
"timestamp": "2024-08-17T05:16:49",
"content": "Just a wild guess:Ist this maybe related to standby power consumption? I remember some EU regulation for standby <0.x W and they could not meet this while the CPU keeps running? So – just disable that feat... | 1,760,371,819.66393 | ||
https://hackaday.com/2024/08/16/canadarm2-scores-milestone-with-catching-its-50th-spacecraft/ | Canadarm2 Scores Milestone With Catching Its 50th Spacecraft | Maya Posch | [
"Space"
] | [
"canadarm2",
"international space station"
] | Recently Canada’s Canadarm2
caught its 50th spacecraft
in the form of a Northrop Grumman Cygnus cargo vessel since 2009. Although perhaps not the most prominent part of the International Space Station (ISS), the
Canadarm2
performs a range of very essential functions on the outside of the ISS, such as moving equipment a... | 3 | 1 | [
{
"comment_id": "7319972",
"author": "Nobody",
"timestamp": "2024-08-17T08:51:32",
"content": "Just wondering what the Canarm2 will evolve into when it starts using the captured junk to expand it’s size and capabilities.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,371,819.712113 | ||
https://hackaday.com/2024/08/16/roll-your-own-presence-sensor/ | Roll Your Own Presence Sensor | Al Williams | [
"home hacks",
"Microcontrollers"
] | [
"home automation",
"mmwave",
"person sensor"
] | [Mellow_Labs] wanted an Everything Presence Lite but found it was always out of stock. Therefore, he decided to
create his own
. The kit uses a millimeter wave sensor as a super-sensitive motion tracker for up to three people. It can even read your heart rate remotely. You can see a video of the project below.
There ar... | 7 | 5 | [
{
"comment_id": "7309431",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-08-16T23:37:31",
"content": "Multi-colored LEDs lighting up his parts bin, cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7313866",
"author": "m1ke",
"... | 1,760,371,819.758326 | ||
https://hackaday.com/2024/08/16/fighting-the-scourge-of-screwdriver-mange/ | Fighting The Scourge Of “Screwdriver Mange” | Dan Maloney | [
"Tool Hacks"
] | [
"ammonia",
"bleach",
"CAB",
"cellulose acetate butyrate",
"hand tool",
"plastic",
"polymer",
"tool",
"vinegar"
] | We’ve all got our favorite hand tools, and while the selection criteria are usually pretty subjective, it usually boils down to a combination of looks and feel. In our opinion, the king of both these categories when it comes to screwdrivers is those clear, hard acetate plastic handles, which are a joy to use — at least... | 46 | 23 | [
{
"comment_id": "7304558",
"author": "Just sayin'",
"timestamp": "2024-08-16T20:15:16",
"content": "Wire brush works well.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "7329542",
"author": "CSS",
"timestamp": "2024-08-17T15:42:19",
"... | 1,760,371,820.211295 | ||
https://hackaday.com/2024/08/16/2024-tiny-games-contest-salsa-one-handheld-requires-no-pcb/ | 2024 Tiny Games Contest: Salsa One Handheld Requires No PCB | Kristina Panos | [
"contests",
"Games"
] | [
"2024 Tiny Games Challenge",
"cr2032",
"oled",
"rp2040"
] | If you’re thinking about building a single tiny game or even a platform, you might be tempted to use a single button for everything. Such is the case with [Alex]’s
Salsa ONE minimalist game console
, which is inspired by both the Arduboy and the ergonomics of the SanDisk Sansa music player.
With Salsa ONE, [Alex] aimed... | 10 | 6 | [
{
"comment_id": "7301889",
"author": "That guy ¯\\(°_o)/¯",
"timestamp": "2024-08-16T18:36:14",
"content": "but there’s a pcb on the LCD and the micro controller, and the perf board holding it together got printed at some point :p",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,820.092274 | ||
https://hackaday.com/2024/08/15/make-a-catch-with-a-3d-printed-rod/ | Make A Catch With A 3D Printed Rod | Jenny List | [
"Toy Hacks"
] | [
"angling",
"finshing",
"fishing rod"
] | When we think of fishing rods, the image brought to mind is one of a tweed-clad fisherman in his waders in a wild salmon stream, his line whipping about as it guides the fly over the surface of the water. Angling is a pursuit with a heritage, and having a lengthy rod seems an essential for its enjoyment. But perhaps yo... | 7 | 7 | [
{
"comment_id": "7273366",
"author": "The Mighty Buzzard",
"timestamp": "2024-08-16T02:08:26",
"content": "You might be surprised how many of us like to wet a line now and then.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "7275803",
"author": "The Commen... | 1,760,371,820.25394 |
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