url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
values | publish_date stringclasses 1
value | categories listlengths 0 12 | tags listlengths 0 27 | featured_image stringlengths 0 272 | content stringlengths 0 56.1k | comments_count int64 0 900 | scraped_comments_count int64 0 50 | comments listlengths 0 50 | scraped_at float64 1.76B 1.76B |
|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2024/12/25/tweezers-probe-reviewed/ | Tweezers Probe Reviewed | Al Williams | [
"Reviews",
"Tool Hacks"
] | [
"LCR meter",
"Smart Tweezers",
"tweezers"
] | Over the last few decades, electronic devices have drastically changed. Radios that once had point-to-point wiring gave way to printed circuit boards with through-hole parts, and now microscopic surface mount devices are the norm. But most of us still use probes that would have been just fine for a 1940s receiver. Ther... | 7 | 4 | [
{
"comment_id": "8076286",
"author": "joelsullivanf572bf1946",
"timestamp": "2024-12-26T04:01:08",
"content": "Well… I guess I have to buy one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8076292",
"author": "KDawg",
"timestamp": "2024-12-26T05:31:4... | 1,760,371,689.025979 | ||
https://hackaday.com/2024/12/25/when-it-comes-to-dos-dont-forget-dr-dos/ | When It Comes To DOS, Don’t Forget DR-DOS. | Jenny List | [
"Software Hacks"
] | [
"dos",
"freedos",
"ms-dos",
"SvarDOS"
] | Despite the latest and greatest Intel-derived computers having multi-core 64-bit processors and unimaginably fast peripherals, at heart they all still retain a compatibility that goes back to the original 8086. This means that they can, in theory at least, still run MS-DOS. The venerable Microsoft 16-bit OS may now be... | 45 | 20 | [
{
"comment_id": "8076207",
"author": "lol",
"timestamp": "2024-12-25T21:43:00",
"content": "It didn’t go to medical school to be called MR-DOS",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8076215",
"author": "Richard",
"timestamp": "2024-12... | 1,760,371,689.39586 | ||
https://hackaday.com/2024/12/23/crawler-challenge-building-rope-traversing-robots/ | Crawler Challenge: Building Rope-Traversing Robots | Heidi Ulrich | [
"contests",
"Robots Hacks",
"Toy Hacks"
] | [
"challenge",
"illinois",
"robot",
"rope",
"rope traversal",
"traversing",
"university of illinois",
"walker"
] | Rope-climbing robots are the stuff of engineering dreams. As kids, didn’t we all clutter our family home with constructions of towers and strings – Meccano, or Lego – to have ziplines spanning entire rooms? Good for the youngsters of today, this has been included in school curricula. At the University of Illinois, the ... | 4 | 2 | [
{
"comment_id": "8075754",
"author": "Hirudinea",
"timestamp": "2024-12-23T21:21:57",
"content": "Hmm, I thought the University crawler challenge was getting home from the bar?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8075785",
"author": "Tony M",
... | 1,760,371,689.29979 | ||
https://hackaday.com/2024/12/23/a-pi-pico-makes-a-spectrum-laptop/ | A Pi Pico Makes A Spectrum Laptop | Jenny List | [
"Retrocomputing"
] | [
"Raspberry Pi Pico",
"sinclair spectrum",
"ZX Spectrum"
] | There are many retrocomputer emulation projects out there, and given the relative fragility of the original machines as they enter their fifth decade, emulation seems to be the most common way to play 8-bit games. It’s easy enough to load one on your modern computer, but there are plenty of hardware options, too. “The ... | 9 | 5 | [
{
"comment_id": "8075748",
"author": "Jan",
"timestamp": "2024-12-23T21:01:38",
"content": "No source code?Use MCUME and you can build which ever retro computer or consol you want.https://github.com/Jean-MarcHarvengt/MCUME",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,371,689.444984 | ||
https://hackaday.com/2024/12/23/atoms-for-peace-the-us-nuclear-fleet-build-out-and-modern-day-revival/ | Atoms For Peace: The US Nuclear Fleet Build-Out And Modern-Day Revival | Maya Posch | [
"Engineering",
"Featured"
] | [
"nuclear power"
] | By the end of World War II the world had changed forever, as nuclear weapons were used for the first and – to this date – only time in anger. Although the use of these weapons was barely avoided during the Korean War in the early 1950s, the dawning of the Atomic Age had come in the form of obliterated cities and an inc... | 24 | 6 | [
{
"comment_id": "8075730",
"author": "Adam Zeloof",
"timestamp": "2024-12-23T19:45:49",
"content": "RBMK is still 70% less expensive to build and operate than AP1000. Just don’t let scrum masters operate it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "807... | 1,760,371,689.206028 | ||
https://hackaday.com/2024/12/23/silicone-tubing-as-springs-for-capacitive-touch-buttons/ | Silicone Tubing As Springs For Capacitive Touch Buttons | Maya Posch | [
"Tech Hacks"
] | [
"capacitive touch",
"silicone"
] | Capacitive touch buttons are a great way to turn just about any (non-conductive) surface into a button, but people generally dislike the lack of tactile feedback.
[KontinuumLab] apparently agreed
and decided to experiment a bit with ways to make such buttons more springy. You can check out the results of those experime... | 7 | 4 | [
{
"comment_id": "8075719",
"author": "Paul",
"timestamp": "2024-12-23T18:15:02",
"content": "Here’s an idea: Use a piezo sounder itself as the captouch button. Twang it when the “key press” is detected. Bonus: measure the voltage produced in the piezo from the press too.I’m sure it’s been done, j... | 1,760,371,689.129498 | ||
https://hackaday.com/2024/12/23/keebin-with-kristina-the-one-with-the-keyboard-mouse/ | Keebin’ With Kristina: The One With The Keyboard-Mouse | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"Imperial Model B",
"keyboard-mouse",
"Kinesis",
"Kinesis mWave",
"sms",
"typewriter SMS"
] | One of the most annoying things about keyboard and mouse input has got to be the need to constantly switch between the two. Ever wish there was a single solution that combined them with elegance? Then you should definitely check out [lemosbor]’s
Lapa keyboard
, where the right half includes a mouse sensor.
Image by [le... | 11 | 7 | [
{
"comment_id": "8075697",
"author": "craig",
"timestamp": "2024-12-23T15:52:08",
"content": "That button summons your boyfriend to get you a Diet Coke.(Sorry if double comment comments are weird)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8075958",
... | 1,760,371,689.543178 | ||
https://hackaday.com/2024/12/23/handheld-satellite-dish-is-3d-printed/ | Handheld Satellite Dish Is 3D Printed | Bryan Cockfield | [
"Radio Hacks"
] | [
"3d printed",
"antenna",
"helical",
"polarization",
"radio",
"satellite",
"tracker",
"weather satellite"
] | Ham radio enthusiasts, people looking to borrow their neighbors’ WiFi, and those interested in decoding signals from things like weather satellites will often grab an old satellite TV antenna and repurpose it. Customers have been leaving these services for years, so they’re pretty widely available. But for handheld ope... | 11 | 3 | [
{
"comment_id": "8075738",
"author": "AZdave",
"timestamp": "2024-12-23T20:00:58",
"content": "This is really cool, but it would have been interesting to see a comparison of the helical antenna with and without the reflector. I’ve made my own 11 turn L-Band helical antenna that works fine without a... | 1,760,371,689.588922 | ||
https://hackaday.com/2024/12/23/e-paper-anniversary-counter-is-a-charming-gift-with-minimal-power-draw/ | E-Paper Anniversary Counter Is A Charming Gift With Minimal Power Draw | Lewin Day | [
"clock hacks",
"Misc Hacks"
] | [
"anniversary",
"e-paper",
"ESP32",
"gift"
] | [Lonyelon] wanted to build an anniversary gift for his girlfriend
. He decided to say it with e-Paper
, a wise choice given its persistence and longevity.
The project is an anniversary calendar. It displays a counter of the total time the couple has been together, measured in years, months, days, and hours—so it’s rema... | 12 | 5 | [
{
"comment_id": "8075617",
"author": "shinsukke",
"timestamp": "2024-12-23T09:46:51",
"content": "Maybe the massive economic upliftment and standard of living improvement wasn’t worth the social cohesion loss and degeneration in the end…Uncle Ted made some good pretty points after all",
"parent_... | 1,760,371,689.256273 | ||
https://hackaday.com/2024/12/24/keeping-track-of-old-computer-manuals-with-the-manx-catalog/ | Keeping Track Of Old Computer Manuals With The Manx Catalog | Maya Posch | [
"Retrocomputing"
] | [
"documentation",
"manuals",
"pdf",
"search engine"
] | An unfortunate reality of pre-1990s computer systems is that any manuals and documentation that came with them likely only existed on paper. That’s not to say there aren’t scanned-in (PDF) copies of those documents floating around, but with few of these scans being indexable by search engines like Google and Duck Duck ... | 4 | 3 | [
{
"comment_id": "8075952",
"author": "Jii",
"timestamp": "2024-12-24T18:52:45",
"content": "Interesting. Never heard of this before.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8075998",
"author": "Kelly",
"timestamp": "2024-12-25T01:51:41",
"co... | 1,760,371,689.482445 | ||
https://hackaday.com/2024/12/24/the-mystery-of-the-messed-up-hammond-x5/ | The Mystery Of The Messed-Up Hammond X5 | Elliot Williams | [
"Musical Hacks",
"Repair Hacks"
] | [
"organ",
"repair",
"synthesizer",
"top octave generator"
] | [Filip] got his hands on a sweet old Hammond X5 organ, but it had one crucial problem: only half of the keys worked. Each and every C#, D, D#, E, F, and F# would not play, up and down the keyboard, although the other notes in between sounded just fine.
Those of you with an esoteric knowledge of older electric organs wi... | 4 | 3 | [
{
"comment_id": "8075912",
"author": "solipso",
"timestamp": "2024-12-24T16:17:58",
"content": "In the 90s we used XC95144 for replacing different unobtainable ICs.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8075916",
"author": "echodelta",
"timest... | 1,760,371,689.768796 | ||
https://hackaday.com/2024/12/24/retrotechtacular-quest-for-the-big-boy-crt-finds-new-home-in-mini-doc/ | Retrotechtacular: Quest For The “Big Boy” CRT Finds New Home In Mini Doc | Drew Littrell | [
"Hackaday Columns",
"Retrotechtacular",
"Slider"
] | [
"cathode ray tube",
"crt",
"CRT TV",
"Retrotechtacluar",
"retrotechtactular"
] | To celebrate the twentieth anniversary of their Trinitron line of televisions, Sony launched the KX-45ED1. At forty three inches the screen on this particular model made it the largest tube television in the world, and it came with the kind of price tag that if you need to ask…you can’t afford it (likely around $100,00... | 36 | 13 | [
{
"comment_id": "8075870",
"author": "Antron Argaiv",
"timestamp": "2024-12-24T12:16:23",
"content": "I have a friend in the broadcast business who may have had one of those (deductible, since he was on 24 hour call to deal with transmission issues). I’ll have to ask him. He had it in his living roo... | 1,760,371,689.846043 | ||
https://hackaday.com/2024/12/24/calling-pink-floyd/ | Calling Pink Floyd | Al Williams | [
"Musical Hacks",
"Phone Hacks"
] | [
"dtmf",
"phone phreaking",
"pink floyd",
"SS5"
] | [Corelatus] said recently that “someone” asked them to
identify the phone signals
in the 1982 film
The Wall
, based on the Pink Floyd song of the same name. We suspect that, like us, that someone might have been more just the hacker part of the brain asserting itself. Regardless, the detective work is fascinating, and ... | 39 | 22 | [
{
"comment_id": "8075864",
"author": "Billy",
"timestamp": "2024-12-24T11:53:33",
"content": "ChatGPT wouldn’t forget the link to the video, I think it’s more eggnog related.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8075897",
"author": "Al Will... | 1,760,371,690.274167 | ||
https://hackaday.com/2024/12/23/watch-any-video-on-your-game-boy-via-link-cable/ | Watch Any Video On Your Game Boy, Via Link Cable | Elliot Williams | [
"handhelds hacks",
"Nintendo Game Boy Hacks"
] | [
"game boy",
"game boy color",
"video"
] | Game Boys have a link cable that lets two of them play together. You know, to battle with a friend’s Pokemon and stuff like that. But who says that it should be limited to transmitting only what Big N wants you to?
[Chromalock] wrote a custom GB program that takes in data over the link cable, and
displays it on the scr... | 6 | 5 | [
{
"comment_id": "8075845",
"author": "Eric",
"timestamp": "2024-12-24T09:01:59",
"content": "Who picked out “Shrek Piss” for pantone color??? (1:53 in the video)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8075856",
"author": "Rafael Zapata",
"times... | 1,760,371,690.023843 | ||
https://hackaday.com/2024/12/23/alsep-apollos-modular-lunar-experiments-laboratory/ | ALSEP: Apollo’s Modular Lunar Experiments Laboratory | Maya Posch | [
"Science",
"Space"
] | [
"ALSEP",
"Apollo program",
"Moon landing"
] | Down-Sun picture of the RTG with the Central Station in the background. (Credit:
NASA
)
Although the US’ Moon landings were mostly made famous by the fact that it featured real-life human beings bunny hopping across the lunar surface, they weren’t there just for a refreshing stroll over the lunar regolith in deep vacuu... | 14 | 6 | [
{
"comment_id": "8075808",
"author": "Leonardo",
"timestamp": "2024-12-24T03:55:36",
"content": "Not a hack…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8075817",
"author": "Gravis",
"timestamp": "2024-12-24T04:54:09",
"content": "... | 1,760,371,690.155201 | ||
https://hackaday.com/2024/12/23/camera-slider-uses-repositionable-rail-to-do-rotational-moves/ | Camera Slider Uses Repositionable Rail To Do Rotational Moves | Lewin Day | [
"3d Printer hacks"
] | [
"3d printed",
"3d printer",
"camera",
"camera slider"
] | You can buy motorized camera sliders off-the-shelf, but they’re pretty costly. Alternatively, you can make one yourself, and it’s not even that hard if you’re kitted out with a 3D printer. [Creative 3D Printing] did just that
with a nifty design that adds rotation into the mix
. Check it out in the video below.
Why sho... | 2 | 2 | [
{
"comment_id": "8075796",
"author": "Then",
"timestamp": "2024-12-24T02:22:12",
"content": "Camera Slider a day?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8075801",
"author": "Ryan",
"timestamp": "2024-12-24T02:56:55",
"content": "Cool! Simil... | 1,760,371,690.196751 | ||
https://hackaday.com/2024/12/22/faster-integer-division-with-floating-point/ | Faster Integer Division With Floating Point | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"assembly",
"AVX-512",
"optimization",
"SIMD",
"x86",
"x86_64"
] | Multiplication on a common microcontroller is easy. But division is much more difficult. Even with hardware assistance, a 32-bit division on a modern 64-bit x86 CPU can run between 9 and 15 cycles. Doing array processing with SIMD (single instruction multiple data) instructions like AVX or NEON often don’t offer divis... | 24 | 6 | [
{
"comment_id": "8075579",
"author": "jpa",
"timestamp": "2024-12-23T06:25:29",
"content": "For 8 bit by 8 bit division without vector extensions, it might be fastest to look-up a reciprocal in a table and use multiplication. But vectorized versions will still be significantly faster.",
"parent_... | 1,760,371,690.092966 | ||
https://hackaday.com/2024/12/22/diy-camera-slider-moves-and-rotates-for-slick-shots/ | DIY Camera Slider Moves And Rotates For Slick Shots | Lewin Day | [
"3d Printer hacks"
] | [
"camera",
"camera slider",
"slider"
] | Camera sliders are a popular project for makers—especially those who document their projects on video. They’re fun and accessible to build, and they can really create some beautiful shots. [Lechnology] set about to follow in this fine tradition
and built a rather capable example of his own.
Check it out in the video be... | 14 | 3 | [
{
"comment_id": "8075555",
"author": "craig",
"timestamp": "2024-12-23T03:37:33",
"content": "I feel like I’ve seen this before",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8075559",
"author": "Paul",
"timestamp": "2024-12-23T04:14:54",
"content"... | 1,760,371,690.327283 | ||
https://hackaday.com/2024/12/22/hackaday-links-december-22-2024/ | Hackaday Links: December 22, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"accident",
"Character.AI",
"chatbot",
"corona",
"DMV",
"exploit",
"firmware",
"hackaday links",
"jailbreak",
"lathe",
"license plate",
"machine shop",
"Parker",
"relativity",
"Reviver",
"shop safety",
"skynet",
"solar",
"sun"
] | Early Monday morning, while many of us will be putting the finishing touches — or just beginning, ahem — on our Christmas preparations, solar scientists will hold their collective breath as they wait for word from
the Parker Solar Probe’s record-setting passage through the sun’s atmosphere
. The probe, which has been i... | 11 | 5 | [
{
"comment_id": "8075536",
"author": "PWalsh",
"timestamp": "2024-12-23T01:33:02",
"content": "I’m the member in charge of the metalworking part of our local makerspace.One of my rules is that you never wear long sleeves while working the lathes (we have three) or knee mill.(And no long hair or jewe... | 1,760,371,690.436204 | ||
https://hackaday.com/2024/12/22/3d-printed-forklift-is-a-cute-desk-toy/ | 3D Printed Forklift Is A Cute Desk Toy | Lewin Day | [
"3d Printer hacks"
] | [
"ESP32",
"forklift",
"radio control",
"rc"
] | Many of us grew up with dreams of piloting a forklift one day. Sadly, most warehouses take a dim view of horseplay with these machines, so few of us get to live out those fantasies. Playing with
this desk-sized RC model from [ProfessorBoots]
is probably a safer way to get those kicks instead. You can check it out in th... | 10 | 6 | [
{
"comment_id": "8075516",
"author": "Mark (lapsed lifter)",
"timestamp": "2024-12-22T22:51:39",
"content": "Fabulous!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8075526",
"author": "paulvdh",
"timestamp": "2024-12-22T23:43:45",
"content": "Can... | 1,760,371,690.378805 | ||
https://hackaday.com/2024/12/22/optimizing-your-linux-shell-experience/ | Optimizing Your Linux Shell Experience | Al Williams | [
"Linux Hacks"
] | [
"bash",
"linux",
"shell",
"zsh"
] | Are you familiar with Huffman encoding? That’s where you pick shorter codes for more frequent letters. Morse code is the same way, in that the most-used letters are the shortest. [Matheus Richard] had the same idea for
optimizing your workflow in the Linux shell
. The idea is to measure what commands you use the most a... | 34 | 18 | [
{
"comment_id": "8075468",
"author": "Solomon",
"timestamp": "2024-12-22T18:32:27",
"content": "For sure, I’ve been using long lists of aliases for over 25 years so I can do lots of nifty command-prompt things quickly and without mistakes. It’s to the point that I have to look at my .bash file to re... | 1,760,371,690.510768 | ||
https://hackaday.com/2024/12/22/old-3d-printer-parts-repurposed-into-diy-camera-slider/ | Old 3D Printer Parts Repurposed Into DIY Camera Slider | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"camera",
"camera slider",
"slider"
] | What do you do with an old 3D printer? They’re full of interesting components, after all, from switches and motors to lovely smooth rails. [Mukesh Sankhla] had a great idea—
why not repurpose the components into a motorized camera slider?
The heart of the slider is the 4020 V-slot aluminum profile. It’s upon this that ... | 7 | 3 | [
{
"comment_id": "8075444",
"author": "Jarek",
"timestamp": "2024-12-22T15:28:18",
"content": "wonder if it’s possible to sync the steppers to the frame rate of the camera, so it only jogs in between frames for super still captures",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,690.565287 | ||
https://hackaday.com/2024/12/22/dog-plays-chess-on-esp32/ | Dog Plays Chess On ESP32 | Bryan Cockfield | [
"Games"
] | [
"chess",
"dog",
"engine",
"ESP32",
"lichess",
"memory",
"online"
] | The ESP32 is s remarkably powerful microcontroller, where its dual-core processor and relatively high clock speed can do some impressive work. But getting this microcontroller designed for embedded systems to do tasks that would generally be given to a much more powerful PC-type computer takes a little bit more willpow... | 10 | 7 | [
{
"comment_id": "8075418",
"author": "Folkert van Heusden",
"timestamp": "2024-12-22T13:36:17",
"content": "Hi,Thank you for the article!To clarify: Dog on pc is around 2200 elo, but the one on the ESP32 is more like a few hundreds elo less. My mistake: I had not anchored the rating of the PC-versio... | 1,760,371,690.725411 | ||
https://hackaday.com/2024/12/22/vintage-audio-amp-gets-led-lighting-upgrade/ | Vintage Audio Amp Gets LED Lighting Upgrade | Lewin Day | [
"LED Hacks"
] | [
"audio",
"HiFi",
"led",
"Technics",
"vintage amp"
] | Vintage hi-fi gear can be very attractive, particularly compared to modern stuff. However, when this stuff starts getting into its third or fourth decade after production, things start to wear out. Chief among them—the little incandescent bulbs that light up the dials with such a beautiful glow. [Piffpaffpoltrie] was s... | 22 | 11 | [
{
"comment_id": "8075407",
"author": "Cricri",
"timestamp": "2024-12-22T11:53:26",
"content": "Did similar on my Christmas tree: was using a 12V 20W halogen bulb and the power supply was getting very hot, so replaced it with a 12V 10W LED cob. Saves on my bill and PSU not getting nearly as hot.",
... | 1,760,371,690.673283 | ||
https://hackaday.com/2024/12/21/inside-a-diamond-plant/ | Inside A Diamond Plant | Al Williams | [
"Misc Hacks"
] | [
"diamond"
] | While you tend to think of diamonds as ornamental gemstones, diamonds also have many important industrial uses, and many of those diamonds are now synthetic polycrystalline diamonds. How are they made? [JerryRigEverything] takes us
behind the scenes
at a diamond manufacturing facility, something you don’t get to see ev... | 13 | 6 | [
{
"comment_id": "8075380",
"author": "paulvdh",
"timestamp": "2024-12-22T08:32:57",
"content": "Does anyone know why these machines are built in this way? Best I know, the sintering temperature is so hot that the salt melts and becomes a liquid. So why not just use a cylinder to apply force from one... | 1,760,371,690.950111 | ||
https://hackaday.com/2024/12/21/nanoscale-imaging-and-control-of-altermagnetism-in-mnte/ | Nanoscale Imaging And Control Of Altermagnetism In MnTe | Maya Posch | [
"Science"
] | [
"altermagnetism",
"magnetism",
"spintronics"
] | Altermagnetism is effectively a hybrid form of ferromagnetism and antiferromagnetism that might become very useful in magnetic storage as well as spintronics in general. In order to practically use it, we first need to be able to control the creation of these altermagnets, which is what researchers
have now taken the f... | 0 | 0 | [] | 1,760,371,691.136849 | ||
https://hackaday.com/2024/12/21/an-lcd-touch-sensor-usb-c-and-a-microcontroller-for-a-buck/ | An LCD, Touch Sensor, USB-C, And A Microcontroller For A Buck | Lewin Day | [
"Microcontrollers"
] | [
"CH32V003",
"cnlohr",
"lcd",
"USB C"
] | [CNLohr] has been tinkering with some fun parts of late. He’d found out that ordinary LCD screens could be used as simple touch sensors, and he had to try it for himself. He ended up building a little doohickey that combined USB C, an LCD display, and a touch interface,
all for under a buck.
You can check out the video... | 16 | 8 | [
{
"comment_id": "8075332",
"author": "Cody",
"timestamp": "2024-12-22T02:15:19",
"content": "It’s a cool idea, but that “USB connector” is not going to last more than a few mating cycles without hard gold plating, which would be more expensive than just using a USB socket.The gold from the ENIG fini... | 1,760,371,691.098427 | ||
https://hackaday.com/2024/12/21/the-bendix-g-15-runs-75000-lines-of-code/ | The Bendix G-15 Runs 75,000 Lines Of Code | Adam Fabio | [
"Retrocomputing"
] | [
"Bendix",
"G-15",
"Hellorld!",
"retrocomputing",
"tube",
"Usagi",
"usagi electric",
"vacuum tube computer"
] | There’s a Blue Bendix in Texas, and thanks to [Usagi Electric] it’s the oldest operating computer in North America. The Bendix G-15, a vacuum tube computer originally released in 1956, is
now booting, and running code from paper tape
. [David, aka Usagi] received the G-15 about a year ago from The System Source museum... | 17 | 8 | [
{
"comment_id": "8075276",
"author": "Brad Granath",
"timestamp": "2024-12-21T21:33:47",
"content": "Someone start the paper-tape-port of DOOM",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8075287",
"author": "Carl Foxmarten",
"timestamp": "... | 1,760,371,690.895516 | ||
https://hackaday.com/2024/12/21/custom-firmware-for-even-cheaper-bluetooth-thermometers/ | Custom Firmware For EvenCheaperBluetooth Thermometers | Tom Nardi | [
"home hacks",
"Software Hacks"
] | [
"bluetooth",
"custom firmware",
"home-assistant",
"replacement firmware",
"Tuya",
"xiaomi"
] | Readers may recall when we first covered the $5 Xiaomi LYWSD03MMC temperature and humidity sensor back in 2020. Prolific hacker [Aaron Christophel] wrote a custom firmware for the affordable gadget that was so capable and well implemented that it kicked off a whole new community.
It’s recently been brought to our atten... | 33 | 15 | [
{
"comment_id": "8075230",
"author": "KZA",
"timestamp": "2024-12-21T18:11:46",
"content": "What matters most to me is whether the flashed firmware can survive a battery change. If so, I’ll replace all of my old devices immediately – having to reflash 2x per year (even wirelessly) is a pain once you... | 1,760,371,691.325765 | ||
https://hackaday.com/2024/12/21/intel-terminates-x86s-initiative-after-formation-of-new-industry-group/ | Intel Terminates X86S Initiative After Formation Of New Industry Group | Maya Posch | [
"News"
] | [
"x86",
"X86S"
] | Although the world of the X86 instruction set architecture (ISA) and related ecosystem is often accused of being ‘stale’ and ‘bloated’, we have seen a flurry of recent activity that looks to shake up and set the future course for what is still the main player for desktop, laptop and server systems. Via
Tom’s Hardware
c... | 59 | 11 | [
{
"comment_id": "8075192",
"author": "c-logic",
"timestamp": "2024-12-21T15:18:08",
"content": "Just leave the 16-bit compatibility to simulators/emulators.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8075207",
"author": "DeveloperLen",
"t... | 1,760,371,691.245436 | ||
https://hackaday.com/2024/12/21/building-a-custom-swiss-army-knife/ | Building A Custom Swiss Army Knife | Lewin Day | [
"Tool Hacks"
] | [
"knife",
"multitool",
"swiss army knife"
] | The Swiss Army knife is the most well-known multitool, combining a bunch of functionality into a compact package. [Jeff Gough] decided to build a custom example featuring a selection of his favorite tools.
He documents the build in a video series
on YouTube
(see below). [Jeff] decided to take on the project as a gift f... | 15 | 7 | [
{
"comment_id": "8075173",
"author": "kołtun",
"timestamp": "2024-12-21T13:13:35",
"content": "maybe swiss pocket knife is too small, but if you add an ethernet rj-45 crimper to leatherman wave it would be something useful. Something I would like. Many times I wrote to them to add it, there are mult... | 1,760,371,691.377587 | ||
https://hackaday.com/2024/12/21/__trashed-11/ | Training A Self-Driving Kart | Bryan Cockfield | [
"Machine Learning"
] | [
"autonomous",
"convolutional neural network",
"crazy kart",
"go-kart",
"machine learning",
"self-driving",
"training",
"training data"
] | There are certain tasks that humans perform every day that are notoriously difficult for computers to figure out. Identifying objects in pictures, for example, was something that seems fairly straightforward but was only done by computers with any semblance of accuracy in the last few years. Even then, it can’t be done... | 1 | 1 | [
{
"comment_id": "8075316",
"author": "TG",
"timestamp": "2024-12-22T00:04:49",
"content": "Homo Sapiens used to train dogs, now they train cogsThus spake ZarathustraCool project btw",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,371,691.463177 | ||
https://hackaday.com/2024/12/20/3d-printing-a-big-lego-christmas-tree/ | 3D Printing A Big LEGO Christmas Tree | Lewin Day | [
"Holiday Hacks"
] | [
"christmas tree",
"lego"
] | LEGO make lots of neat floral arrangements these days, and even little Christmas trees, too. While they’re fun to build out of tiny little blocks, they’re a little small for use as your main Christmas tree. Sadly, a bigger version simply doesn’t exist in the LEGO catalog, so if that’s your desire, you’ll have to build ... | 8 | 6 | [
{
"comment_id": "8075245",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-21T19:58:07",
"content": "Maybe it is time for the OSHW community to standardize giant LEGO dimensions.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8075301",... | 1,760,371,691.422423 | ||
https://hackaday.com/2024/12/20/its-official-the-north-pole-is-moving/ | It’s Official: The North Pole Is Moving | Al Williams | [
"News"
] | [
"bgs",
"magnetic north",
"noaa",
"North Pole",
"wmm"
] | Every scout knows how to read a compass, and that there is a magnetic north and a true north. That’s because the Earth’s magnetic field isn’t exactly aligned with the North Pole. Every five years, the US National Oceanic and Atmospheric Administration (NOAA) and the British Geological Survey (BGS) get together to decid... | 43 | 12 | [
{
"comment_id": "8075104",
"author": "I Alone Possess The Truth",
"timestamp": "2024-12-21T03:25:03",
"content": "Declination. It’s literally as old as the hills.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8075114",
"author": "TG",
"timestamp": "2... | 1,760,371,691.549908 | ||
https://hackaday.com/2024/12/20/rudolphs-sleigh-on-a-north-pole-pcb/ | Rudolph’s Sleigh On A North Pole PCB | Heidi Ulrich | [
"Holiday Hacks",
"Microcontrollers",
"PCB Hacks",
"Toy Hacks"
] | [
"CH32V003",
"christmas",
"christmas card",
"friedrich gauss",
"gauss",
"led",
"Lorentz force",
"pcb",
"sleigh",
"slot car"
] | Each Christmas, [Adam Anderson], [Daniel Quach], [Johan Wheeler], and [Gustav Abrahamsson] (going by ‘the Janky Jingle Crew’)—set themselves the challenge of outdoing their previous creations. Last year’s
CH32 Fireplace
brought an animated LED fire to life with CH32V003 microcontrollers.
This year, they’ve gone a step ... | 18 | 9 | [
{
"comment_id": "8075085",
"author": "Jme",
"timestamp": "2024-12-21T00:50:12",
"content": "This is really nice!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8075097",
"author": "Konkers",
"timestamp": "2024-12-21T02:12:45",
"content": "Oh wow! ... | 1,760,371,691.61537 | ||
https://hackaday.com/2024/12/20/making-a-mechanical-watch-from-scratch-is-fine-work/ | Making A Mechanical Watch From Scratch Is Fine Work | Lewin Day | [
"clock hacks"
] | [
"clock",
"time piece",
"timepiece",
"watch",
"watchmaking"
] | There are plenty of hard jobs out there, like founding your country’s nuclear program, or changing the timing chain on a BMW diesel. Making your own mechanical watch from scratch falls under that umbrella, too.
And yet, [John Raffaelli] did just that, and prevailed!
That’s a lot of work.
Only a handful of components we... | 7 | 6 | [
{
"comment_id": "8075056",
"author": "Joe",
"timestamp": "2024-12-20T21:32:27",
"content": "https://www.youtube.com/@Clickspringis worth a look if you are into clock/watch/sundial making.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8075058",
"author": "... | 1,760,371,691.791019 | ||
https://hackaday.com/2024/12/20/building-a-diet-coke-button/ | Building A Diet Coke Button | Lewin Day | [
"home hacks"
] | [
"call button",
"diet coke",
"ESP32"
] | [mars91] had an interesting problem to solve—his girlfriend often requested Diet Coke, but yelling for one across the apartment was frustrating and impractical. A dedicated Diet Coke button seemed like the perfect solution,
so that’s precisely what he built.
The Diet Coke Button is a relatively simple device. A small s... | 53 | 21 | [
{
"comment_id": "8075003",
"author": "PWalsh",
"timestamp": "2024-12-20T18:14:04",
"content": "Special mode for sandwiches:https://xkcd.com/149/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8075159",
"author": "CJay",
"timestamp": "2024-12-... | 1,760,371,691.743508 | ||
https://hackaday.com/2024/12/20/hackaday-podcast-episode-301-hacking-nvme-into-raspberry-pi-lighting-leds-with-microwaves-and-how-to-keep-your-fingers/ | Hackaday Podcast Episode 301: Hacking NVMe Into Raspberry Pi, Lighting LEDs With Microwaves, And How To Keep Your Fingers | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Twas the week before Christmas when Elliot and Dan sat down to unwrap a pre-holiday bundle of hacks. We kicked things off in a seasonally appropriate way with a PCB Christmas card that harvests power from your microwave or WiFi router, plus has the potential to be a spy tool. We learned how to grow big, beautiful cryst... | 2 | 1 | [
{
"comment_id": "8075039",
"author": "DavidO",
"timestamp": "2024-12-20T20:19:45",
"content": "301 or 231?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8075846",
"author": "Elliot Williams",
"timestamp": "2024-12-24T09:05:23",
"cont... | 1,760,371,691.895437 | ||
https://hackaday.com/2024/12/20/embossing-leather-with-a-pipe-bender-and-3d-printed-tooling/ | Embossing Leather With A Pipe Bender And 3D Printed Tooling | Lewin Day | [
"Tool Hacks"
] | [
"embossed",
"embossing",
"leather",
"leatherwork",
"leatherworking",
"tool hacks",
"tools"
] | Embossed leather belts can be deliciously stylish. However, the tooling for making these fashionable items is not always easy to come by, and it rarely comes cheap. What do we do when a tool is expensive and obscure? We 3D print our own,
as [Myth Impressions] demonstrates
.
The build is based around a Harbor Freight pi... | 12 | 5 | [
{
"comment_id": "8074992",
"author": "tadpole",
"timestamp": "2024-12-20T17:11:26",
"content": "Very nice. Really.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8075026",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12... | 1,760,371,691.848577 | ||
https://hackaday.com/2024/12/20/subchannel-stations-the-radio-broadcasts-you-didnt-know-were-there/ | Subchannel Stations: The Radio Broadcasts You Didn’t Know Were There | Lewin Day | [
"Featured",
"Interest",
"Misc Hacks",
"Slider"
] | [
"fcc",
"radio",
"SCA",
"subcarrier"
] | Analog radio broadcasts are pretty simple, right? Tune into a given frequency on the AM or FM bands, and what you hear is what you get. Or at least, that used to be the way, before smart engineers started figuring out all kinds of sneaky ways for extra signals to hop on to mainstream broadcasts.
Subcarrier radio once f... | 31 | 11 | [
{
"comment_id": "8074968",
"author": "Andrew Jorgensen",
"timestamp": "2024-12-20T15:27:14",
"content": "IIUC, both HD Radio and local traffic data are normal parts of broadcast FM in the US today. But HD is packed into sidebands instead? And I have no idea how traffic data is transmitted. I’d love ... | 1,760,371,691.980331 | ||
https://hackaday.com/2024/12/20/multimeter-gets-socket-upgrade-to-use-nicer-probes/ | Multimeter Gets Socket Upgrade To Use Nicer Probes | Lewin Day | [
"Tool Hacks"
] | [
"banana plug",
"contacts",
"multimeter",
"sockets",
"stabuli"
] | [Piffpaffpoltrie] had a problem. They found the InLine VA40R to be a perfectly usable multimeter, except for a couple of flaws. Most glaring among these were the tiny sockets for the test probes. These proved incompatible with the probes they preferred to use, so naturally,
something had to be done.
The desire was to s... | 11 | 5 | [
{
"comment_id": "8074926",
"author": "K",
"timestamp": "2024-12-20T12:21:52",
"content": "It’s “Stäubli” not “Stabuli” (:",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8074934",
"author": "Elliot Williams",
"timestamp": "2024-12-20T13:27:05"... | 1,760,371,692.078292 | ||
https://hackaday.com/2024/12/20/watch-a-3d-scan-become-a-car-body-model/ | Watch A 3D Scan Become A Car Body Model | Donald Papp | [
"how-to"
] | [
"3d model",
"3d scan",
"3d scanning",
"car"
] | Not all 3D scanning is alike, and the right workflow can depend on the object involved. [Ding Dong Drift] demonstrates this in his
3D scan of a project car
. His goal is to design custom attachments, and designing parts gets a lot easier with an accurate 3D model of the surface you want to stick them on. But it’s not a... | 1 | 1 | [
{
"comment_id": "8075079",
"author": "Anonymous",
"timestamp": "2024-12-20T23:58:18",
"content": "I wonder how effective combining image segmentation AI with photogrammetry would be. You could use the AI to separate the final scan into individual objects.",
"parent_id": null,
"depth": 1,
... | 1,760,371,692.02951 | ||
https://hackaday.com/2024/12/19/old-bbc-micro-gets-some-disk-help-from-a-raspberry-pi/ | Old BBC Micro Gets Some Disk Help From A Raspberry Pi | Lewin Day | [
"Misc Hacks"
] | [
"BBC Micro",
"raspberry pi"
] | [Peter Mount] had a simple problem. He’d treated himself to a retro purchase in the form of a BBC Master 128—a faster sequel to the BBC Micro Model B. The only problem was he needed a way to get software on to it.
Cue a creative hack using a Raspberry Pi Zero W.
When [Peter] received the machine, it already had a GoTek... | 15 | 5 | [
{
"comment_id": "8074885",
"author": "petermount1",
"timestamp": "2024-12-20T06:47:38",
"content": "I’ll add that this isn’t just for the BBC Micro as it works for anything you can connect a GoTek to.I’ve used this on my Commodore Amiga A1200 and Sinclair Spectrum +3 with no issues",
"parent_id"... | 1,760,371,692.233037 | ||
https://hackaday.com/2024/12/19/getting-dial-up-to-work-over-voip-isnt-always-easy/ | Getting Dial-Up To Work Over VOIP Isn’t Always Easy | Lewin Day | [
"Misc Hacks"
] | [
"dial-up",
"dial-up modem",
"modem",
"voip"
] | Dial-up modems used to be the default way of accessing the Internet, but times have moved on. They’re now largely esoteric relics from a time gone by. With regular old phone lines rather hard to come by these days, [Peter Mount] decided to try
getting a pair of dial-up modems working over VoIP instead.
The build starte... | 26 | 8 | [
{
"comment_id": "8074848",
"author": "Paul",
"timestamp": "2024-12-20T03:23:21",
"content": "VOIP codecs intended for coding voice are going to really mess with tones used for data, and the modems have to fall back to pretty low rates to make it through the lossy compression. I’m surprised they can... | 1,760,371,692.308601 | ||
https://hackaday.com/2024/12/19/fixing-1986-sinclair-spectrum2-with-a-high-score-of-issues/ | Fixing 1986 Sinclair Spectrum+2 With A High-Score Of Issues | Maya Posch | [
"Repair Hacks",
"Retrocomputing"
] | [
"Amstrad Spectrum",
"sinclair spectrum"
] | The Sinclair ZX Spectrum+2 was the first home computer released by Amstrad after buying up Sinclair. It’s basically a Sinclair ZX Spectrum 128, but with a proper keyboard and a built-in tape drive. The one that [Mark] of the
Mend it Mark
YouTube channel got in for repair
is however very much dead
. Upon first inspectio... | 6 | 4 | [
{
"comment_id": "8074802",
"author": "Danjovic",
"timestamp": "2024-12-20T00:42:31",
"content": "It is a pity this video has automatic audio translation. Can’t stand 30 seconds of such weirdness.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8074803",
... | 1,760,371,692.349141 | ||
https://hackaday.com/2024/12/19/fibonacci-clock-looks-like-beautiful-modern-art/ | Fibonacci Clock Looks Like Beautiful Modern Art | Lewin Day | [
"clock hacks"
] | [
"clock",
"fibonacci",
"fibonacci sequence",
"pi pico",
"Raspberry Pi Pico"
] | Don’t ask us why, but hackers and makers just love building clocks. Especially in the latter case, many like to specialize in builds that don’t even look like traditional timepieces, and are difficult to read unless you know the trick behind them. [NerdCave] has brought us a pleasing example of such a thing,
in the fo... | 12 | 10 | [
{
"comment_id": "8074722",
"author": "Danjovic",
"timestamp": "2024-12-19T21:35:51",
"content": "Awesome. I Should try it on VGA someday.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8074725",
"author": "Paul",
"timestamp": "2024-12-19T21:43:04",
... | 1,760,371,692.399679 | ||
https://hackaday.com/2024/12/19/measuring-a-well-with-just-a-hammer-and-a-smartphone/ | Measuring A Well With Just A Hammer And A Smartphone | Dan Maloney | [
"home hacks",
"Science"
] | [
"audacity",
"echo",
"ping",
"smartphone",
"sonar",
"sound",
"well"
] | What’s the best way to measure the depth of a well using a smartphone? If you’re fed up with social media, you might kill two birds with one stone and drop the thing down the well and listen for the splash. But if you’re looking for a less intrusive — not to mention less expensive — method, you could also
use your phon... | 38 | 15 | [
{
"comment_id": "8074674",
"author": "Matthias",
"timestamp": "2024-12-19T20:02:17",
"content": "slightly related: I used audacity to measure the switching time of a on/on switch by shorting (ok, with current limiting resistor) the mic-in with both switch-contacts parallel, which gave a relatively n... | 1,760,371,692.47447 | ||
https://hackaday.com/2024/12/19/the-battle-over-vanishing-spray/ | The Battle Over Vanishing Spray | Lewin Day | [
"Hackaday Columns",
"Misc Hacks"
] | [
"fifa",
"football",
"soccer",
"sport"
] | We talk a lot about patent disputes in today’s high-tech world. Whether it’s
Wi-Fi
,
3D printing
, or
progress bars,
patent disputes can quickly become big money—for lawyers and litigants alike.
Where we see less of this, typically, is the world of sports. And yet, a recent football innovation has seen plenty of confli... | 53 | 19 | [
{
"comment_id": "8074604",
"author": "PaulG",
"timestamp": "2024-12-19T18:11:19",
"content": "Should have been red carded.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8074629",
"author": "Dunha",
"timestamp": "2024-12-19T19:00:05",
"content": "M... | 1,760,371,692.691212 | ||
https://hackaday.com/2024/12/19/better-c-strings-simply/ | Better C Strings, Simply | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"c++",
"strings"
] | If you program in C, strings are just in your imagination. What you really have is a character pointer, and we all agree that a string is every character from that point up until one of the characters is zero. While that’s simple and useful, it is also the source of many errors. For example, writing a 32-byte string to... | 62 | 13 | [
{
"comment_id": "8074580",
"author": "Jim",
"timestamp": "2024-12-19T16:50:06",
"content": "So… a pascal string then? (a 256 character array with the first character indicating the length of the rest, 0-255)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8074... | 1,760,371,692.595527 | ||
https://hackaday.com/2024/12/19/human-civilization-and-the-black-plastic-kitchen-utensils-panic/ | Human Civilization And The Black Plastic Kitchen Utensils Panic | Maya Posch | [
"Current Events",
"Featured",
"Original Art",
"Science",
"Slider"
] | [
"calculus",
"neuroscience"
] | Recently there was a bit of a panic in the media regarding a very common item in kitchens all around the world: black plastic utensils used for flipping, scooping and otherwise handling our food while preparing culinary delights. The claim was that the recycled plastic which is used for many of these utensils leak a ba... | 98 | 26 | [
{
"comment_id": "8074546",
"author": "Garth",
"timestamp": "2024-12-19T15:32:17",
"content": "Statistics show that 5 out of 4 researchers have denied that their data was wrong.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8074547",
"author": "DougM",
... | 1,760,371,692.837663 | ||
https://hackaday.com/2024/12/19/where-this-xmas-cards-going-we-dont-need-batteries/ | Where This Xmas Card’s Going, We Don’t Need Batteries! | Jenny List | [
"Holiday Hacks"
] | [
"christmas card",
"energy harvesting",
"rf harvesting"
] | Energy harvesting, the practice of scavenging ambient electromagnetic fields, light, or other energy sources, is a fascinating subject that we don’t see enough of here at Hackaday. It’s pleasing then to see
[Jeff Keacher]’s Christmas card
: it’s a PCB that lights up some LEDs on a Christmas tree, using 2.4 GHz radiatio... | 17 | 8 | [
{
"comment_id": "8074489",
"author": "Jay Woods",
"timestamp": "2024-12-19T14:05:51",
"content": "Now if it just had an e-ink picture that moved…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8074490",
"author": "Steven-X",
"timestamp": "2024-12-19T14... | 1,760,371,694.545601 | ||
https://hackaday.com/2024/12/19/homebrew-electron-beam-lithography-with-a-scanning-electron-microscope/ | Homebrew Electron Beam Lithography With A Scanning Electron Microscope | Dan Maloney | [
"Misc Hacks"
] | [
"developing",
"EBL",
"electron beam lthography",
"etchant",
"fabrication",
"PMMA",
"resist",
"scanning electron microscope",
"sem",
"semiconductor"
] | If you want to build semiconductors at home, it seems like the best place to start might be to find a used scanning electron microscope on eBay. At least that’s how [Peter Bosch] kicked off his
electron beam lithography project
, and we have to say the results are pretty impressive.
Now, most of the DIY semiconductor e... | 8 | 6 | [
{
"comment_id": "8074473",
"author": "ardencaple",
"timestamp": "2024-12-19T11:50:53",
"content": "Back in the 80s, electron-beam microlithography was the way all semiconductor production masks were made, since 1:1 projection aligners were in use at the time. Then reduction steppers came into use, a... | 1,760,371,694.790824 | ||
https://hackaday.com/2024/12/18/back-to-the-future-of-texting-sms-on-a-panasonic-typewriter/ | Back To The Future Of Texting: SMS On A Panasonic Typewriter | Heidi Ulrich | [
"Microcontrollers",
"Retrocomputing"
] | [
"ESP32",
"i2c",
"panasonic t36",
"sms",
"typewriter"
] | Among us Hackaday writers, there are quite a few enthusiasts for retro artifacts – and it gets even better when they’re combined in an unusual way. So, when we get a tip about a build like this by [Sam Christy], our hands sure start itching.
The story of this texting typewriter
is one that beautifully blends nostalgia ... | 4 | 3 | [
{
"comment_id": "8074443",
"author": "Cody",
"timestamp": "2024-12-19T07:47:49",
"content": "Nice, you converted the typewriter into a teletype. I bet with a bit more work that ESP32 could handle RTTY encoding and decoding. Then it could be hooked up to an HF radio and send messages without using th... | 1,760,371,694.483921 | ||
https://hackaday.com/2024/12/18/bacterium-demonstrates-extreme-radiation-resistance-courtesy-of-an-antioxidant/ | Bacterium Demonstrates Extreme Radiation Resistance Courtesy Of An Antioxidant | Maya Posch | [
"Science"
] | [
"bacteria",
"extremophile"
] | Extremophile lifeforms on Earth are capable of rather astounding feats, with the secret behind the extreme radiation resistance of one of them
now finally teased out
by researchers. As one of the most impressive extremophiles,
Deinococcus radiodurans
is able to endure ionizing radiation levels thousands of times higher... | 12 | 5 | [
{
"comment_id": "8074408",
"author": "Leonardo",
"timestamp": "2024-12-19T03:19:33",
"content": "Not a hack at all…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8074410",
"author": "Ostracus",
"timestamp": "2024-12-19T03:30:15",
"co... | 1,760,371,694.593964 | ||
https://hackaday.com/2024/12/18/simple-fluorometer-makes-nucleic-acid-detection-cheap-and-easy/ | Simple Fluorometer Makes Nucleic Acid Detection Cheap And Easy | Dan Maloney | [
"chemistry hacks"
] | [
"biology",
"Chemistry",
"dna",
"fluorometer",
"nucleic acid",
"rna",
"stem",
"TLS2591",
"UV LED"
] | Back in the bad old days, dealing with DNA and RNA in a lab setting was often fraught with peril. Detection technologies were limited to radioisotopes and hideous chemicals like ethidium bromide, a cherry-red solution that was a fast track to cancer if accidentally ingested. It took time, patience, and plenty of traini... | 9 | 5 | [
{
"comment_id": "8074450",
"author": "Wetbencher",
"timestamp": "2024-12-19T09:10:52",
"content": "Find me please one published evidence that ethydium bromide causes cancer in a complex organism. It us used in Africa by the g’s in cattles to fight parasites. This is all conspiracy theory to promote ... | 1,760,371,694.655332 | ||
https://hackaday.com/2024/12/18/floss-weekly-episode-813a-happy-holidays/ | FLOSS Weekly Episode 813a: Happy Holidays! | Jonathan Bennett | [
"Hackaday Columns",
"Podcasts"
] | [
"FLOSS Weekly"
] | This week and next we take off for the holidays! We have an exciting schedule after the break, so stay tuned!
Did you know you can watch the live recording of the show Right on
our YouTube Channel
? Have someone you’d like us to interview? Let us know, or contact the guest and have them contact us!
Take a look at the s... | 5 | 4 | [
{
"comment_id": "8074317",
"author": "Ostracus",
"timestamp": "2024-12-18T21:13:36",
"content": "“This week and next we take off for the holidays! ”AI doesn’t take holidays. ;-)Happy holidays, and hopefully no fruitcakes.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comme... | 1,760,371,694.436248 | ||
https://hackaday.com/2024/12/18/push-for-on-hold-for-off-ac-edition/ | Push For On, Hold For Off, AC Edition | Al Williams | [
"Parts"
] | [
"ac",
"TRIAC"
] | A common theme in modern consumer electronics is having a power button that can be tapped to turn the device on, but needs to be held down when it’s time to shut it off. [R. Jayapal] had noticed a circuit design for this setup when using DC and decided to create a version that could
handle AC-powered loads
.
The circui... | 18 | 7 | [
{
"comment_id": "8074305",
"author": "Paul",
"timestamp": "2024-12-18T20:31:12",
"content": "Ouch. Kind of just begs for a $0.50 microcontroller, no?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8074313",
"author": "TG",
"timestamp": "2024... | 1,760,371,694.903632 | ||
https://hackaday.com/2024/12/18/upper-room-uv-c-keeps-air-cleaner/ | Upper Room UV-C Keeps Air Cleaner | Lewin Day | [
"Hackaday Columns",
"Science",
"Slider"
] | [
"air cleaning",
"air quality",
"pathogen",
"sterilization",
"ultraviolet",
"uv",
"UV-C"
] | 2020 saw the world rocked by widespread turmoil, as a virulent new pathogen started claiming lives around the globe. The COVID-19 pandemic saw a rush on masks, air filtration systems, and hand sanitizer, as terrified populations sought to stave off the deadly virus by any means possible.
Despite the fresh attention giv... | 59 | 22 | [
{
"comment_id": "8074252",
"author": "Dude",
"timestamp": "2024-12-18T18:10:08",
"content": "Paint the ceiling with fluorescent dyes, and you get twice the bang for the buck with illumination.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8074892",
... | 1,760,371,695.123969 | ||
https://hackaday.com/2024/12/17/a-compass-that-looks-to-the-stars/ | A Compass That Looks To The Stars | Bryan Cockfield | [
"Tool Hacks"
] | [
"aircraft",
"astronomy",
"compass",
"heading",
"navigation",
"stars"
] | Although a lot of tools have been digitized and consolidated into our smartphones, from cameras, music players, calendars, alarm clocks, flashlights, and of course phones, perhaps none are as useful as the GPS and navigational capabilities. The major weakness here, though, is that this is a single point of failure. If ... | 19 | 9 | [
{
"comment_id": "8073931",
"author": "Reg",
"timestamp": "2024-12-17T21:19:57",
"content": "Its purpose is for navigation near the polar regions. Light aircraft and older heavies still use magnetic compasses every day. Properly compensated, they work fine. Until you get near the Arctic Circle. ... | 1,760,371,694.843338 | ||
https://hackaday.com/2024/12/17/why-nasa-only-needs-pi-to-so-many-decimal-places/ | Why NASA Only Needs Pi To So Many Decimal Places | Lewin Day | [
"Space"
] | [
"math",
"maths",
"nasa",
"Pi",
"space"
] | If you’re new to the world of circular math, you might be content with referring to pi as 3.14. If you’re getting a little more busy with geometry, science, or engineering, you might have tacked on a few extra decimal places in your usual calculations. But what about the big dogs? How many decimal places do NASA use?
N... | 53 | 19 | [
{
"comment_id": "8073857",
"author": "LordNothing",
"timestamp": "2024-12-17T19:44:13",
"content": "sounds about like what fits in a 64-bit float (double in most compilers). you can always catch the nan exception and perform the calculation with fixed point math if neccisary.",
"parent_id": null... | 1,760,371,695.004 | ||
https://hackaday.com/2024/12/17/tech-in-plain-sight-table-saw-safety/ | Tech In Plain Sight: Table Saw Safety | Al Williams | [
"Hackaday Columns",
"Rants",
"Slider",
"Tool Hacks"
] | [
"sawstop",
"table saw"
] | If you ask around a wood shop, most people will agree that the table saw is the most dangerous tool around. There’s ample evidence that this is true. In 2015, over 30,000 ER visits happened because of table saws. However, it isn’t clear how many of those are from blade contact and how many are from other problems like ... | 76 | 28 | [
{
"comment_id": "8073824",
"author": "PWalsh",
"timestamp": "2024-12-17T18:07:01",
"content": "My local makerspace is shared with the local middle school. Their table saw has a saw stop, and we’ve had some trouble with it – the stop triggered for unknown reasons, I think that happened twice, and the... | 1,760,371,695.359737 | ||
https://hackaday.com/2024/12/17/the-last-acorn-bbc-computer-wasnt-a-bbc-micro/ | The Last Acorn BBC Computer Wasn’t A BBC Micro | Jenny List | [
"Retrocomputing"
] | [
"acorn",
"acorn archimedes",
"archimedes",
"arm"
] | For home computer users, the end of the 1980s was the era of 16-bit computers. The challenge facing manufacturers of 8-bit machines through the middle of the decade was to transfer their range and customers to the new hardware, and the different brands each did this in their own way. Commodore and Atari had 68000-based... | 27 | 10 | [
{
"comment_id": "8073797",
"author": "Joshua",
"timestamp": "2024-12-17T16:42:35",
"content": "Hi. I think this advertisement here is a must see.It captures the atmosphere of amazement of the technology of the day.You can hear the proudness of Acorn of its own achivement, too.https://www.youtube.com... | 1,760,371,695.228425 | ||
https://hackaday.com/2024/12/17/man-overboard-systems-aim-to-increase-survival-rates-at-sea/ | Man Overboard Systems Aim To Increase Survival Rates At Sea | Lewin Day | [
"Engineering",
"Featured",
"Misc Hacks",
"Original Art",
"Slider"
] | [
"boat",
"cruise",
"cruise ship",
"man overboard",
"ship",
"vessel"
] | When you hear the cry of “Man Overboard!” on a ship, it’s an emergency situation. The sea is unkind to those that fall from their vessel, and survival is never guaranteed—even in the most favorable conditions. Raging swell and the dark of night can only make rescue more impossible.
Over the centuries, naval tradition h... | 22 | 11 | [
{
"comment_id": "8073779",
"author": "TG",
"timestamp": "2024-12-17T15:37:11",
"content": "Misadventure plays a roleI.e. druuuunkkkkkMaybe they should install those breathaylizer interlock things on all the doors leading to the outer railings, and keep people inside the interior theme parks otherwis... | 1,760,371,695.65551 | ||
https://hackaday.com/2024/12/17/see-what-they-see-in-your-photos/ | See What ‘They’ See In Your Photos | Lewin Day | [
"Artificial Intelligence",
"Software Hacks"
] | [
"google vision API",
"interpret",
"vision api"
] | Once upon a time, a computer could tell you virtually nothing about an image beyond its file format, size, and color palette. These days, powerful image recognition systems are a part of our everyday lives.
They See Your Photos
is a simple website that shows you just how much these systems can interpret from a regular ... | 46 | 17 | [
{
"comment_id": "8073694",
"author": "Commenter",
"timestamp": "2024-12-17T12:54:08",
"content": "le upvote",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8073695",
"author": "Truth",
"timestamp": "2024-12-17T12:55:05",
"content": "I wonder what it... | 1,760,371,695.745139 | ||
https://hackaday.com/2024/12/17/3d-printed-blaster-does-it-with-compliant-components/ | 3D Printed Blaster Does It With Compliant Components | Donald Papp | [
"Toy Hacks"
] | [
"3d printed",
"blaster",
"compliant mechanism",
"flexure",
"nerf",
"projectile"
] | The ease of integrating bendy parts into designs is one of 3D printing’s strengths. A great example of this is
[uhltimate]’s six-shot blaster
which integrates several compliant mechanisms. The main blaster even prints in one piece, so there’s not even any assembly required.
The ergonomics are unconventional, but the de... | 20 | 5 | [
{
"comment_id": "8073644",
"author": "s",
"timestamp": "2024-12-17T10:50:20",
"content": "That’s brilliant! Ergonomics are easily solved",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8073692",
"author": "Crack'r",
"timestamp": "2024-12-17T12... | 1,760,371,695.926719 | ||
https://hackaday.com/2024/12/18/enabling-nvme-on-the-raspberry-pi-500-with-a-handful-of-parts/ | Enabling NVMe On The Raspberry Pi 500 With A Handful Of Parts | Maya Posch | [
"Raspberry Pi"
] | [
"M.2",
"NVMe",
"raspberry pi 500"
] | With the recent teardown of the Raspberry Pi 500, there were immediately questions raised about the unpopulated M.2 pad and related traces hiding inside. As it turns out, with the right parts and a steady hand it only takes a bit of work before
an NVMe drive can be used with the RP500
, as [Jeff Geerling] obtained proo... | 73 | 18 | [
{
"comment_id": "8074223",
"author": "Astro Jetson",
"timestamp": "2024-12-18T16:56:43",
"content": "Looking forward to seeing the complete list of parts and a set of instructions on how to do this. I’d like to have a Pi500, but I’m done with SD card onboard storage. There are 100’s of makerspace... | 1,760,371,696.129427 | ||
https://hackaday.com/2024/12/18/why-did-early-cd-rom-drives-rely-on-awkward-plastic-caddies/ | Why Did Early CD-ROM Drives Rely On Awkward Plastic Caddies? | Lewin Day | [
"Featured",
"History",
"Interest",
"Peripherals Hacks",
"Slider"
] | [
"caddy",
"cd player",
"CD-ROM",
"cdrom",
"optical drive",
"optical media"
] | These days, very few of us use optical media on the regular. If we do, it’s generally with a slot-loading console or car stereo, or an old-school tray-loader in a desktop or laptop. This has been the dominant way of using consumer optical media for some time.
Step back to the early CD-ROM era, though, and things were a... | 46 | 25 | [
{
"comment_id": "8074194",
"author": "john",
"timestamp": "2024-12-18T15:19:52",
"content": "We had those exact same Denon caddie players at our college radio station in 1999. Older CDs in the stacks had their own caddies but generally the discs were less precious and current rotation CDs had to be ... | 1,760,371,696.223393 | ||
https://hackaday.com/2024/12/18/catching-the-view-from-the-edge-of-space/ | Catching The View From The Edge Of Space | Dan Maloney | [
"Space"
] | [
"balloon",
"engineering camera",
"GoPro",
"HAB",
"observatory",
"parachute",
"solar",
"space",
"stratosphere",
"sun"
] | Does “Pix or it didn’t happen” apply to traveling to the edge of space on a balloon-lofted solar observatory? Yes, it absolutely does.
The breathtaking views on this page come courtesy of IRIS-2, a compact imaging package that creators [Ramón García], [Miguel Angel Gomez], [David Mayo], and [Aitor Conde] recently
decid... | 26 | 9 | [
{
"comment_id": "8074125",
"author": "Josiah David Gould",
"timestamp": "2024-12-18T12:18:36",
"content": "There’s gotta be a reason I’m not seeing… But 56 AA cells? That just seems like a ton of weight unless it’s ballast or balancing.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,371,695.860853 | ||
https://hackaday.com/2024/12/18/learning-about-the-flume-water-monitor/ | Learning About The Flume Water Monitor | Lewin Day | [
"home hacks"
] | [
"flume",
"reverse engineering",
"water",
"Water Meter",
"water sensor"
] | The itch to investigate lurks within all us hackers. Sometimes, you just have to pull something apart to learn how it works. [Stephen Crosby] found himself doing just that
when he got his hands on a Flume water monitor.
[Stephen] came by the monitor thanks to a city rebate, which lowered the cost of the Flume device. I... | 10 | 4 | [
{
"comment_id": "8074109",
"author": "limroh",
"timestamp": "2024-12-18T10:59:41",
"content": "Since the other comment was deleted:“Water {WHAT} monitor”?1. Level – alarm to trigger a sump pump?2. PH level / quality?3. oh, just a utility meter reader….and this only indirectly/vaguely explained in th... | 1,760,371,695.789578 | ||
https://hackaday.com/2024/12/17/pulling-backward-to-go-forward-the-brennan-torpedo-explained/ | Pulling Backward To Go Forward: The Brennan Torpedo Explained | Donald Papp | [
"Engine Hacks",
"Weapons Hacks"
] | [
"brennan torpedo",
"model",
"physics"
] | The Brennan torpedo, invented in 1877 by Louis Brennan, was one of the first (if not
the
first) guided torpedoes of a practical design. Amazingly, it had no internal power source but it did have a very clever and counter-intuitive mode of operation: a cable was pulled backward to propel the torpedo forward.
If the idea... | 17 | 9 | [
{
"comment_id": "8074067",
"author": "dudefromthenorth",
"timestamp": "2024-12-18T07:54:07",
"content": "cool",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8074091",
"author": "deL",
"timestamp": "2024-12-18T09:20:35",
"content": "AI’s take: “In s... | 1,760,371,696.281387 | ||
https://hackaday.com/2024/12/17/the-world-morse-code-championship/ | The World Morse Code Championship | Al Williams | [
"Radio Hacks"
] | [
"ham radio",
"morse code"
] | If you were in
Tunisia
in October, you might have caught some of the Morse Code championships this year. If you didn’t make it, you could catch the
BBC’s documentary
about the event, and you might be surprised at some of the details. For example, you probably think sending and receiving Morse code is only for the elder... | 54 | 8 | [
{
"comment_id": "8074014",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-18T03:24:59",
"content": "QLF?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8074054",
"author": "irox",
"timestamp": "2024-12-18T06:09:23",
... | 1,760,371,696.376558 | ||
https://hackaday.com/2024/12/17/pcb-motor-holds-fast-even-after-1-6-billion-spins/ | PCB Motor Holds Fast, Even After 1.6 Billion Spins | Donald Papp | [
"PCB Hacks"
] | [
"brushless",
"motorcell",
"pcb motor"
] | If you aren’t up to date with [Carl Bugeja]’s work with tiny brushless PCB motors, his
summary video of his latest design and all the challenges it involved
is an excellent overview.
Back in 2018 we saw [Carl]’s
earliest versions making their first spins
and it was clear he was onto something. Since then they have only... | 34 | 9 | [
{
"comment_id": "8073992",
"author": "brutek",
"timestamp": "2024-12-18T01:24:50",
"content": "I’ve been following. It needs more torque to be useful. Looking forward to that work",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8074041",
"author": "pe... | 1,760,371,696.472776 | ||
https://hackaday.com/2024/12/16/keebin-with-kristina-the-one-with-the-curvy-centerfold/ | Keebin’ With Kristina: The One With The Curvy Centerfold | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"altoids tin",
"atari",
"force curves",
"IBM Wheelwriter",
"IBM Wheelwriter 5",
"Joystick",
"joystick mouse",
"mouse ring",
"nRF52840",
"raspberry pi",
"Selectric",
"Wheelwriter"
] | What do you get when you combine a Raspberry Pi 4B, a Kaypro keyboard, and a 9″ Apple ], you get
the coolest AVR development workstation I’ve seen in a while
.
Image by [John Anderson] via
Hackaday.IO
As you may have guessed, I
really
dig the looks of this thing. The paint job on the display is great, but the stripes o... | 7 | 2 | [
{
"comment_id": "8073411",
"author": "Colin",
"timestamp": "2024-12-16T15:34:47",
"content": "I’m using my Pi 3B+ with a PAL black and white TV, does anyone know if it’s worth trying this approach on that too or is the problem/solution NTSC-specific?",
"parent_id": null,
"depth": 1,
"rep... | 1,760,371,696.529465 | ||
https://hackaday.com/2024/12/16/building-the-spectacular-fibonacci128-simple-add-on/ | Building The Spectacular Fibonacci128 Simple Add-On | Tom Nardi | [
"LED Hacks"
] | [
"fibonacci",
"LED array",
"sao",
"Simple Add-On"
] | This year, we not only challenged Supercon attendees to come up with their own Simple Add-Ons (SAOs) for the badge, but to push the envelope on how the modular bits of flair work. Historically, most SAOs were little more than artistically arranged LEDs, but we wanted to see what folks could do if they embraced the larg... | 0 | 0 | [] | 1,760,371,696.57565 | ||
https://hackaday.com/2024/12/16/single-crystal-electrode-lithium-ion-batteries-last-a-long-time/ | Single Crystal Electrode Lithium Ion Batteries Last A Long Time | Al Williams | [
"News",
"Science"
] | [
"battery",
"lithium ion"
] | Researchers have been testing a new type of lithium ion battery that uses
single-crystal electrodes
. Over several years, they’ve found that the technology could keep 80% of its capacity after 20,000 charge and discharge cycles. For reference, a conventional cell reaches 80% after about 2,400 cycles.
The researchers sa... | 79 | 11 | [
{
"comment_id": "8073311",
"author": "C",
"timestamp": "2024-12-16T09:21:27",
"content": "I’m immune to positive news about batteries. Until it leaves the lab and becomes economically feasible to produce it’s not real. So far improvements have been small incremental changes, not large leaps.Batterie... | 1,760,371,696.702155 | ||
https://hackaday.com/2024/12/15/documented-source-code-for-elite-on-the-c64-bbc-micro-and-others/ | Documented Source Code ForEliteOn The C64, BBC Micro And Others | Maya Posch | [
"Games",
"Retrocomputing"
] | [
"BBC Micro",
"commodore 64",
"Elite",
"Nintendo Entertainment System"
] | If you ever wanted to dive into the source code for the 1980s space game
Elite
, but didn’t want to invest many hours reverse-engineering the 6502 assembly code,
then [Mark Moxon]’s annotated code has you covered
. The systems referenced range from the BBC Micro and
Commodore 64
to the NES and Apple II, with some of th... | 12 | 6 | [
{
"comment_id": "8073284",
"author": "Basile",
"timestamp": "2024-12-16T06:17:13",
"content": "Some years ago I had written the name generator along with an alternative Markov chains based one.https://codepen.io/killer_angel/pen/gvjqdV",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,371,696.954157 | ||
https://hackaday.com/2024/12/15/finally-a-man-page-for-life/ | Finally… A Man Page For Life | Al Williams | [
"Linux Hacks"
] | [
"life",
"man",
"roff",
"troff"
] | How often have you wished to have an instruction manual — or, at least, a Unix man page — for life? Well, your wait is over. Of course, you probably were hoping for instructions on how to navigate life, but [cve’s]
mott program plays life inside a man page
. That might not be as useful as a real manual for life, but it... | 9 | 4 | [
{
"comment_id": "8073265",
"author": "David",
"timestamp": "2024-12-16T04:22:01",
"content": "“While roff is made to do crude word processing at the dawn of Unix,it is also a Turing-complete language.”[emphasis added]Note to self: Study the security implications of this, and promise to only use the... | 1,760,371,696.828467 | ||
https://hackaday.com/2024/12/15/hackaday-links-december-15-2024/ | Hackaday Links: December 15, 2024 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"ai",
"autonomous",
"brick",
"cruise",
"enterprise",
"flight crash",
"GM",
"hackaday links",
"helicopter",
"Ingenuity",
"license plate",
"LLM",
"mars",
"moxie",
"nasa",
"NCC-1701",
"robotaxi",
"RS-25",
"self-driving",
"yule log"
] | It looks like we won’t have Cruise to kick around in this space anymore with the news that
General Motors is pulling the plug on its woe-beset robotaxi project
. Cruise, which GM acquired in 2016, fielded autonomous vehicles in various test markets, but the fleet racked up
enough high-profile mishaps
(first item) for C... | 7 | 3 | [
{
"comment_id": "8073206",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2024-12-16T00:07:14",
"content": "CGI fireplace, NASA, you can do better than that.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8073216",
"author": "Hirudine... | 1,760,371,696.897788 | ||
https://hackaday.com/2024/12/15/rainwater-from-the-road-to-the-garden/ | Rainwater From The Road To The Garden | Bryan Cockfield | [
"green hacks"
] | [
"biology",
"farm",
"food forest",
"garden",
"rainwater",
"soil",
"stormwater",
"suburban",
"trench"
] | Most small-scale, residential rainwater harvesting systems we’ve seen rely on using an existing roof and downspout to collect water that would otherwise be diverted out into the environment. These are accessible for most homeowners since almost all of the infrastructure needed for it is already in place. [SuburbanBiolo... | 65 | 15 | [
{
"comment_id": "8073164",
"author": "echodelta",
"timestamp": "2024-12-15T21:39:11",
"content": "Free water, trash, and car crap with tire particles. Yummy veggies. Two plastic drink cups could clog that pipe setup. Most municipalities would have a fit if you did something to city works. In some dr... | 1,760,371,697.059773 | ||
https://hackaday.com/2024/12/16/robot-air-hockey-player-predicts-your-next-move/ | Robot Air Hockey Player Predicts Your Next Move | Lewin Day | [
"Misc Hacks"
] | [
"air hockey",
"python"
] | Air hockey is a fun game, but it’s one you can’t play by yourself. That is, unless you have a smart robot hockey player to act as your rival.
[Zeroshot] built exactly that.
The build is based around a small 27-inch air hockey table—not exactly arcade-spec, but big enough to demonstrate the concepts at play. The robot p... | 21 | 12 | [
{
"comment_id": "8073617",
"author": "nicola",
"timestamp": "2024-12-17T08:52:45",
"content": "The skills learned while playing come out later while developing something “useful” (following your definition of useful, not mine)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,371,697.214431 | ||
https://hackaday.com/2024/12/16/versatile-yet-grounded-the-rotodyne-revisited/ | Versatile, Yet Grounded: The Rotodyne Revisited | Heidi Ulrich | [
"News",
"Transportation Hacks"
] | [
"aircraft",
"airplane",
"fairey rotodyne",
"helicopter",
"jet",
"retrofuturistic",
"rotodyne"
] | When it comes to aviation curiosities, few machines captivate the imagination like the Fairey Rotodyne. This British hybrid aircraft was a daring attempt to combine helicopter and fixed-wing efficiency into a single vehicle. A bold experiment in aeronautical design, the Rotodyne promised vertical takeoffs and landings ... | 26 | 10 | [
{
"comment_id": "8073576",
"author": "Andrew",
"timestamp": "2024-12-17T04:20:06",
"content": "“Compressed air, mixed with fuel and ignited at the rotor tips, created lift without the need for a tail rotor.”Wait, what?",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,371,697.326075 | ||
https://hackaday.com/2024/12/16/emulating-the-battery-controller-in-an-ancient-acer-pda/ | Emulating The Battery Controller In An Ancient Acer PDA | Lewin Day | [
"Repair Hacks"
] | [
"battery",
"pda"
] | [Mark B] had a problem. He’d come into possession of an Acer N30 PDA, sans batteries. He couldn’t just throw any old cells in, since the unit expected to communicate with an onboard controller chip in the original pack.
What ensued was his effort to emulate the original battery controller hardware.
This is classic Hack... | 11 | 4 | [
{
"comment_id": "8073572",
"author": "Christian",
"timestamp": "2024-12-17T03:45:53",
"content": "“The company was renamed Acer in 1987.”…. ancient?!?…. Ohhh…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8073622",
"author": "Ricardo",
"timestamp": "2... | 1,760,371,697.263085 | ||
https://hackaday.com/2024/12/16/using-a-smartphone-as-a-touchscreen-for-arduino/ | Using A Smartphone As A Touchscreen For Arduino | Lewin Day | [
"Android Hacks",
"Arduino Hacks"
] | [
"android",
"arduino",
"screen",
"touchscreen"
] | If you want a good display and interface device for an embedded project, it’s hard to look past an old smartphone. After all, you’ve got an excellent quality screen and capacitive touch interface all in the same package! [Doctor Volt] explains how to easily set up
your old smartphone to work as a touchscreen for your A... | 22 | 15 | [
{
"comment_id": "8073538",
"author": "Jan",
"timestamp": "2024-12-16T22:15:39",
"content": "Whats the USB-Serial for?The Nano has that builtin.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8073539",
"author": "Tom",
"timestamp": "2024-12-16... | 1,760,371,697.387157 | ||
https://hackaday.com/2024/12/16/3d-printed-boat-feeds-the-fishes/ | 3D-Printed Boat Feeds The Fishes | Lewin Day | [
"3d Printer hacks"
] | [
"3d print",
"3d printer",
"boat",
"water"
] | In most natural environments, fish are able to feed themselves. However, if you wanted to help them out with some extra food, you could always build a 3D-printed boat to do the job for you,
as [gokux] did.
The concept is simple enough—it’s a small radio-controlled boat that gets around the water with the aid of two pad... | 0 | 0 | [] | 1,760,371,697.422013 | ||
https://hackaday.com/2024/12/16/sony-vaio-revived-how-does-one-start/ | Sony Vaio Revived: How Does One Start? | Arya Voronova | [
"Featured",
"Interest",
"laptops hacks",
"Skills",
"Slider"
] | [] | A long-term project of mine is the the Sony Vaio new mainboard project. A year ago, I used it as an example to
show you the cool new feature in KiCad 8, known as “background bitmaps”
.
There are a heap of cool aspects to this specific Sony Vaio. It’s outrageously cute and purse-sized, the keyboard is nice enough for ty... | 25 | 9 | [
{
"comment_id": "8073455",
"author": "Steven Clark",
"timestamp": "2024-12-16T18:14:16",
"content": "Remind me again: what kind of Vaio? Sony named just about everything that could run programs a Vaio for a few years there. Are we talking a PocketPC or a Laptop?",
"parent_id": null,
"depth... | 1,760,371,697.493523 | ||
https://hackaday.com/2024/12/16/a-red-ring-light-show-for-your-xbox-360/ | A Red Ring Light Show For Your Xbox 360 | Lewin Day | [
"Xbox Hacks"
] | [
"darude",
"lightshow",
"red ring of death",
"rrod",
"sandstorm",
"xbox 360"
] | The Red Ring of Death (RROD) was the bane of many an Xbox 360 owner. The problem was eventually solved, mostly, but memories of that hellish era lurk in the back of many a gamer’s mind. For a more cheery use of those same status lights,
you might appreciate “Lightshow” from [Derf].
The concept is simple enough. It’s a ... | 6 | 4 | [
{
"comment_id": "8073560",
"author": "arifyn",
"timestamp": "2024-12-17T01:18:45",
"content": "if someone isn’t already adapting this code so you can use those LEDs to play a version of SIMON using the xbox 360 controller, I might just have to do it myself.",
"parent_id": null,
"depth": 1,
... | 1,760,371,697.539343 | ||
https://hackaday.com/2024/12/14/behold-a-geared-continuously-variable-transmission/ | Behold A Geared, Continuously Variable Transmission | Donald Papp | [
"Engine Hacks",
"Transportation Hacks"
] | [
"CVT",
"gear ratio",
"gearbox",
"gears",
"motor",
"transmission"
] | When it comes to transmissions, a geared continuously-variable transmission (CVT) is a bit of a holy grail. CVTs allow smooth on-the-fly adjustment of gear ratios to maintain a target speed or power requirement, but sacrifice transmission efficiency in the process. Geared transmissions are more efficient, but shift gea... | 72 | 17 | [
{
"comment_id": "8072819",
"author": "Paul",
"timestamp": "2024-12-14T21:21:56",
"content": "TLDR: Sadly, it’s just another complicated ratchet mechanism.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8072820",
"author": "CunningFellow",
"ti... | 1,760,371,697.707898 | ||
https://hackaday.com/2024/12/14/tldr-pages-keeps-it-short-wherever-you-need-it/ | Tldr-pages Keeps It Short, Wherever You Need It | Tom Nardi | [
"Software Hacks"
] | [
"command line",
"documentation",
"examples",
"terminal"
] | Let’s face it, even the most accomplished console cowboy can’t keep everything memorized. Sure, you might know all the important arguments for a daily-use tool like
tar
or
ls
, but what about the commands you don’t use that often? For that matter, even if you do use
tar
every day, we bet you don’t know
all
of the optio... | 16 | 14 | [
{
"comment_id": "8072787",
"author": "RP",
"timestamp": "2024-12-14T18:18:00",
"content": "I see what you did there with the page landing! ;-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "8072791",
"author": "sudonem",
"timestamp": "2024-12-14T18:38... | 1,760,371,697.769744 | ||
https://hackaday.com/2024/12/14/hacker-tools-hacked-tools/ | Hacker Tools, Hacked Tools | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Tool Hacks"
] | [
"diy",
"logic analyzer",
"newsletter",
"RTL-SDR",
"tools"
] | We just love a good DIY tool project, and more so when it’s something that we can actually use cobbled together from stuff in our closet, or hacked out of cheap “toys”. This week we saw both
a superb Pi Pico-based logic analyzer
and
yet another software frontend for the RTL-SDR dongle
, and they both had us thinking of... | 3 | 2 | [
{
"comment_id": "8072994",
"author": "Jan",
"timestamp": "2024-12-15T11:47:09",
"content": "I cant find the precompiled logicanalyzer.exe so cant try it out.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8074163",
"author": "Brett",
"timesta... | 1,760,371,697.807991 | ||
https://hackaday.com/2024/12/14/a-self-balancing-bike-for-crash-dummy-billy/ | A Self Balancing Bike For Crash Dummy Billy | Al Williams | [
"Robots Hacks",
"Transportation Hacks"
] | [
"bike",
"linear quadratic regulator",
"self balancing"
] | We aren’t sure there’s enough information in the
[We Make Machines’] video to easily copy their self-balancing bike project
, but if you want to do something similar, you can learn a lot from watching the video. Building sufficient gyros to keep the bike stable required quite a bit of trial and error.
There are some tr... | 22 | 7 | [
{
"comment_id": "8072686",
"author": "matega",
"timestamp": "2024-12-14T13:11:23",
"content": "It seems like they just assumed that turning the bicycle’s handlebar towards the desired direction is the way to steer. It is not, and it’s somewhat ridiculous that they spent so much time engineering and ... | 1,760,371,697.870282 | ||
https://hackaday.com/2024/12/14/personal-traffic-light-stops-them-in-their-tracks/ | Personal Traffic Light Stops Them In Their Tracks | Kristina Panos | [
"Lifehacks",
"Microcontrollers"
] | [
"busy indicator",
"esp32-C3",
"mood lamp",
"mood light",
"RGB LEDs",
"seeed xiao",
"ws2812b"
] | Working from home can be pretty cool, but if you’re not the only one in the house trying to do it, the whole situation can feel like you’re right back in the office with all those walking, talking distractions. Except they’re in pajamas instead of business casual.
So, what’s the answer? Many times it’s not practical to... | 30 | 10 | [
{
"comment_id": "8072588",
"author": "AX",
"timestamp": "2024-12-14T09:04:45",
"content": "I love it, nice idea to do it at home. Not too sure how it wil go down with the wife :D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8072745",
"author": "Mar... | 1,760,371,697.988884 | ||
https://hackaday.com/2024/12/13/origami-inspired-self-locking-structures-with-3d-printing/ | Origami-Inspired, Self-locking Structures With 3D Printing | Donald Papp | [
"3d Printer hacks",
"Science"
] | [
"3d printed",
"kirigami",
"multi-material",
"origami",
"self-assembly"
] | Researchers recently shared details on creating
foldable, self-locking structures by using multi-material 3D printing
. These origami-inspired designs can transition between flat and three-dimensional forms, locking into place without needing external support or fasteners.
The 3D structure of origami-inspired designs c... | 2 | 1 | [
{
"comment_id": "8072750",
"author": "Bobtato",
"timestamp": "2024-12-14T15:47:28",
"content": "This looks like interesting work, and hopefully will lead to design tools to make it more accessible. I would add that 3D printing isn’t the only way to do this, or the best necessarily.I’ve tinkered a b... | 1,760,371,697.918788 | ||
https://hackaday.com/2024/12/13/walkie-talkies-jedi-style-building-a-communicator/ | Walkie Talkies, Jedi Style: Building A Communicator | Heidi Ulrich | [
"Toy Hacks",
"Wearable Hacks"
] | [
"communicator",
"jedi",
"prop",
"star wars",
"starwars",
"walkie talkie",
"walkietalkie"
] | Playing
Star Wars Outlaws
sparked an idea with [3DSage]: why not recreate the game’s wrist communicator as a functioning gadget? Inspired by the relatively simplistic design, he and his friend Ben set out
to build their own device
to take to Galaxy’s Edge in Disneyland. Armed with an arsenal of tools—3D printers, CNC m... | 6 | 4 | [
{
"comment_id": "8072573",
"author": "Drone",
"timestamp": "2024-12-14T07:44:00",
"content": "G-NiceRF: These are probably the go-to people for small walkie-talkie chips and/or modules…https://www.nicerf.com/There are parts available on Tindie too. May the Force be with you!",
"parent_id": null,... | 1,760,371,698.186909 | ||
https://hackaday.com/2024/12/13/flashy-paper-christmas-tree-does-it-with-a-555/ | Flashy Paper Christmas Tree Does It With A 555 | Kristina Panos | [
"Holiday Hacks"
] | [
"4017",
"4017 decade counter",
"555",
"555 timer",
"christmas tree",
"decade counter",
"smt",
"transfer tape"
] | ‘Tis the season for holiday hacks, and [Ben Emmett] is here to remind us that we don’t necessarily need a fancy microcontroller in order to make flashy fun things happen.
Smoothing down the copper traces with a guitar pick.
Take this Christmas tree for example
, which uses a 555 timer and a CB4017 decade counter in ord... | 11 | 7 | [
{
"comment_id": "8072534",
"author": "jbx",
"timestamp": "2024-12-14T00:33:14",
"content": "This should be simpler and easier to built using a thin epoxy etched board, it’s translucent and it’s much stronger than cardboard.Congrats for using a 555 in place of a µC !",
"parent_id": null,
"dep... | 1,760,371,698.043878 | ||
https://hackaday.com/2024/12/13/apple-newton-gets-rebuilt-battery-pack/ | Apple Newton Gets Rebuilt Battery Pack | Bryan Cockfield | [
"Repair Hacks",
"Retrocomputing"
] | [
"apple",
"battery",
"newton",
"restoration",
"retro",
"retrocomputing",
"spot welder"
] | We all carry touch screen computers around in our pockets these days, but before the smartphone revolution, there was the personal digital assistant (PDA). While it wasn’t a commercial success, one of the first devices in this category was the Apple Newton. Today they’re sought after by collectors, although most of the... | 14 | 5 | [
{
"comment_id": "8072492",
"author": "Max",
"timestamp": "2024-12-13T21:13:41",
"content": "I have a MessagePad 110 is has 4 AA batteries in the back so no need to make a pack for this version, don’t know about the others",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,371,698.238039 | ||
https://hackaday.com/2024/12/13/the-stern-gerlach-experiment-misunderstood/ | The Stern-Gerlach Experiment Misunderstood | Al Williams | [
"Science"
] | [
"electrons",
"physics",
"quantum spin"
] | Two guys — Stern and Gerlach — did an experiment in 1922. They wanted to measure magnetism caused by electron orbits. At the time, they didn’t know about particles having angular momentum due to spin. So —
as explained by [The Science Asylum] in the video below
— they clearly showed quantum spin, they just didn’t know ... | 15 | 8 | [
{
"comment_id": "8072542",
"author": "Promytius",
"timestamp": "2024-12-14T02:49:55",
"content": "silver is magnetic?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8072800",
"author": "Josiah David Gould",
"timestamp": "2024-12-14T19:25:07",... | 1,760,371,698.399883 | ||
https://hackaday.com/2024/12/13/hack-on-self-howd-my-day-go/ | Hack On Self: How’d My Day Go? | Arya Voronova | [
"Hackaday Columns",
"Wearable Hacks"
] | [] | Humans are well overdue for a technological revolution – not a profit-driven one like we’re having now, a human-centric one. Sci-fi is wonderful for having your brain run wild. Over the last century, we’ve had writers try and imagine what world would’ve had looked like if a new technology were to address different aspe... | 4 | 3 | [
{
"comment_id": "8072462",
"author": "Brian",
"timestamp": "2024-12-13T19:05:17",
"content": "Maybe I’m just a cold and without empathy cranky geezer, but I find this to be in the self-flagellation category.That said, one thing that I learned from a mentor (remember when young engineers were mentore... | 1,760,371,698.444734 | ||
https://hackaday.com/2024/12/13/hackaday-podcast-episode-300-the-dwingeloo-25-m-dish-a-dead-tech-twofer-and-deconstructing-pcbs/ | Hackaday Podcast Episode 300: The Dwingeloo 25 M Dish, A Dead-Tech Twofer, And Deconstructing PCBs | Kristina Panos | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week on the big 300th episode, Hackaday’s Elliot Williams and Kristina Panos teamed up to bring you the latest news, mystery sound, and of course, a big bunch of hacks from the previous week. So basically, business as usual.
First up in the news: it’s time for the Hackaday Europe 2025 call for proposals! Do you ha... | 6 | 4 | [
{
"comment_id": "8072477",
"author": "Elliot Williams",
"timestamp": "2024-12-13T19:56:48",
"content": "OMG. When going through the nicknames of people who guessed the Wii menu sound, how did I miss [Nunchuck Norris]?!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment... | 1,760,371,698.494127 | ||
https://hackaday.com/2024/12/13/saving-an-electron-microscope-from-the-trash/ | Saving An Electron Microscope From The Trash | Maya Posch | [
"Repair Hacks"
] | [
"JEOL",
"repair",
"scanning electron microscope"
] | Who wouldn’t want to have a scanning electron microscope (SEM)? If you’re the person behind the
ProjectsInFlight
channel on YouTube, you certainly do. In
a recent video it’s explained
how he got his mittens on a late 1980s, early 1990s era JEOL JSM-5200 SEM that was going to be scrapped. This absolute unit of a system ... | 17 | 6 | [
{
"comment_id": "8072422",
"author": "TG",
"timestamp": "2024-12-13T17:00:27",
"content": "Who the heck would throw that away?? The console reminds me a little of the Apple Lisa II",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8072455",
"author": "l... | 1,760,371,698.593119 | ||
https://hackaday.com/2024/12/13/this-week-in-security-recall-badram-and-openwrt/ | This Week In Security: Recall, BadRAM, And OpenWRT | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"BadRAM",
"openwrt",
"recall",
"This Week in Security"
] | Microsoft’s Recall feature is back. You may remember
our coverage of the new AI feature back in June
, but for the uninitiated, it was a creepy security trainwreck. The idea is that Windows will take screenshots of whatever is on the screen every few seconds, and use AI to index the screenshots for easier searching. Th... | 6 | 3 | [
{
"comment_id": "8072373",
"author": "M",
"timestamp": "2024-12-13T15:21:23",
"content": "“badram” is just another hint that what they’re trying to achieve is fundamentally impossible and foolhardy.YouMUSTtrust your hardware. YouMUSTtrust your host. If you can’t trust the cloud provider with physica... | 1,760,371,698.538767 |
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