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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/11/22/freshening-up-googles-usb-c-pd-sniffer/ | Freshening Up Google’s USB-C PD Sniffer | Julian Scheffers | [
"Peripherals Hacks"
] | [
"sniffer",
"USB C",
"usb c power delivery"
] | USB-C Power Delivery has definitely made the big mess of wires a bit smaller but not all cables are created equal — some of them can handle upwards of 100 W while the cheapest can handle only 10. To accommodate this, USB-C cables need to actively tell both ends what their capabilities are, which turns an otherwise pass... | 15 | 4 | [
{
"comment_id": "6701105",
"author": "drew",
"timestamp": "2023-11-22T21:50:46",
"content": "I would love to see v0.2 drop the microUSB connector for anything else. As my microUSB cables wear out, I hope never to replace them.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,100.220737 | ||
https://hackaday.com/2023/11/22/australias-second-largest-telco-went-dark-and-chaos-reigned/ | Australia’s Second Largest Telco Went Dark, And Chaos Reigned | Lewin Day | [
"Current Events",
"Featured",
"Original Art",
"Slider"
] | [
"Australia",
"network",
"networking",
"optus",
"telecommunications"
] | Engineers tend to worry about uptime, whether it’s at a corporate server farm or just our own little hobby servers at home. Every now and then, something will go wrong and take a box offline, which requires a little human intervention to fix. Ideally, you’ll still have a command link that stays up so you can fix the pr... | 51 | 14 | [
{
"comment_id": "6701005",
"author": "J. Cook",
"timestamp": "2023-11-22T15:13:40",
"content": "HA! It’s BGP, once again. (It’s always BGP, unless it’s DNS. :: snickers :: )",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6701008",
"author": "Wade Moeller",... | 1,760,372,100.310181 | ||
https://hackaday.com/2023/11/22/keeping-a-mazdas-radio-on-after-the-engine-shuts-off/ | Keeping A Mazda’s Radio On After The Engine Shuts Off | Lewin Day | [
"car hacks"
] | [
"audio",
"car audio",
"infotainment",
"mazda"
] | Have you ever pulled into a car park with your favorite song blaring, only to lament the fact that the music cut out when you stopped the engine? Some modern cars are smart enough to keep the radio on until you open the door.
[ssh16] decided to hack that very functionality into their Mazda MX-5.
The device uses a micro... | 51 | 20 | [
{
"comment_id": "6700968",
"author": "James",
"timestamp": "2023-11-22T12:12:22",
"content": "Maybe not on a Mazda, but on my Nissan a double-tap of the start-stop button kills the engine while leaving it in “ON” rather than dropping straight into “off”.",
"parent_id": null,
"depth": 1,
... | 1,760,372,099.93192 | ||
https://hackaday.com/2023/11/22/a-brand-new-antique-radio/ | A Brand-New Antique Radio | Kristina Panos | [
"Microcontrollers",
"Radio Hacks"
] | [
"antique radio",
"ESP32 wroom",
"ESP32-WROOM-32",
"radio"
] | This beautiful little radio may look like an art deco relic from a hundred years ago, but it is actually from 2023. When [Craig Lindley] first saw this design on these very pages a few years ago,
he just had to build one eventually
. Turns out, all he had to do wait until he bought a laser cutter.
Built with hardware o... | 17 | 6 | [
{
"comment_id": "6700961",
"author": "Jarek",
"timestamp": "2023-11-22T10:58:46",
"content": "Well, I would easily guess that it isn’t from a 100 years ago, namely blue LEDs, color LCDs and CNC laser cutters were much scarcer back then.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,099.709453 | ||
https://hackaday.com/2023/11/21/the-ghost-detector-9000-is-a-fun-spirit-chasing-game/ | The Ghost Detector 9000 Is A Fun Spirit-Chasing Game | Lewin Day | [
"Holiday Hacks"
] | [
"ghost",
"halloween",
"light",
"raspberry pi"
] | Halloween may have come and gone for another year, but we’re still finding neat spooky projects lurking out on the Interwebs. Case in point,
the Ghost Detector 9000 from [Jules].
Effectively, what you’re looking at here is a fun interactive ghost-detecting game. It consists of a Raspberry Pi Zero hooked up with an IMU ... | 1 | 1 | [
{
"comment_id": "6701154",
"author": "Lr0dy",
"timestamp": "2023-11-23T05:46:40",
"content": "I had a toy like this when I was a kid. Definitely some kind of 80s tech.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,100.101675 | ||
https://hackaday.com/2023/11/20/revive-a-sony-vaio-p-series-with-kicads-background-bitmaps/ | Revive A Sony Vaio P-Series With KiCad’s Background Bitmaps | Arya Voronova | [
"Hackaday Columns",
"laptops hacks",
"PCB Hacks",
"Reverse Engineering",
"Slider"
] | [
"KiCAD",
"sony vaio",
"sony vaio p",
"vaio",
"vaio p"
] | You might remember that
KiCad 7 came out
this February, with a multitude of wonderful features. One of them was particularly exciting to see, and
the KiCad newsletter
even had an animated GIF to properly demo it – a feature called “Background Bitmaps”, which is the ability to add existing board images into your board e... | 31 | 16 | [
{
"comment_id": "6700492",
"author": "lamalas",
"timestamp": "2023-11-20T19:18:27",
"content": "Now do this with a HP Jornada 720.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6700504",
"author": "Arya Voronova",
"timestamp": "2023-11-20T20... | 1,760,372,100.175625 | ||
https://hackaday.com/2023/11/20/cnc-plus-microscope-plus-game-controller-equals-awesome/ | CNC Plus Microscope Plus Game Controller Equals Awesome | Richard Baguley | [
"Tool Hacks"
] | [
"automated microscope",
"cnc",
"g-code"
] | What do you get if you strap a microscope onto a CNC and throw in a gaming controller? The answer, according to Reddit user [AskewedBox] is something kind of awesome: you get a microscope that can be controlled with the game controller for
easier tracking of tiny creepy-crawlies
.
[ASkewedBox] set up this interesting c... | 4 | 3 | [
{
"comment_id": "6700529",
"author": "Phil Barrett",
"timestamp": "2023-11-20T21:00:11",
"content": "Interesting and not hard at all to do. Anyone interested in building one of these, keep an eye open on facebook market place. I see the 3018 CNC machines selling second hand for $100-$200. They ma... | 1,760,372,099.756323 | ||
https://hackaday.com/2023/11/20/2023-halloween-hackfest-this-years-spooky-winners/ | 2023 Halloween Hackfest: This Year’s Spooky Winners | Tom Nardi | [
"contests",
"Featured",
"Interest",
"Slider"
] | [
"2023 Halloween Hack Fest",
"contests",
"Hackaday Contests"
] | With the zombies, ghouls, and ghosts now safely returned to their crypts until next October, it’s time to unveil this year’s winners for the
2023 Halloween Hackfest
.
For this contest, sponsors DigiKey and Arduino challenged the community to come up with their best creations for what’s arguably the most hacker-friendly... | 1 | 1 | [
{
"comment_id": "6700639",
"author": "Mx. Jack Nelson",
"timestamp": "2023-11-21T06:09:43",
"content": "Oh my gosh, thank you! I’m excited and honored to have gotten third place, there are so many amazing entries. The little Haunted Keyboard is thrilled, and will get a few upgrades, now!",
"pare... | 1,760,372,100.065994 | ||
https://hackaday.com/2023/11/20/what-can-you-do-with-thousands-of-vintage-telephones/ | What Can You Do WithThousandsOf Vintage Telephones? | Dave Rowntree | [
"Phone Hacks"
] | [
"phone",
"recycling",
"vintage"
] | Telephones. We’ve got a few around the place, and some may remember all the weird and wonderful varieties produced over the years. But, vintage phone dealers [Ron and Mary Knappen]
may have a few too many
. With a large 41,000 sqft property, at least three farm buildings, and no fewer than 33 semi-trailers loaded to bu... | 56 | 26 | [
{
"comment_id": "6700376",
"author": "Joshua",
"timestamp": "2023-11-20T12:12:47",
"content": "“So what can we do with a vintage phone in this modern era?”By god, save those 600 ohms speakers in the hand sets! 😔🙏Those are great for all kinds of experiments!I’ve used them as fine microphones on com... | 1,760,372,100.022955 | ||
https://hackaday.com/2023/11/20/3d-human-models-from-a-single-image/ | 3D Human Models From A Single Image | Al Williams | [
"Machine Learning"
] | [
"3d scanning",
"human digitization"
] | You’ve seen it in movies and shows — the hero takes a blurry still picture, and with a few keystrokes, generates a view from a different angle or sometimes even a full 3D model. Turns out, thanks to machine learning and work by several researchers, this
might be possible
. As you can see in the video below, using “shap... | 12 | 8 | [
{
"comment_id": "6700377",
"author": "Anonymus",
"timestamp": "2023-11-20T12:21:13",
"content": "That website just crashes my browser with over 2GB ram used by a single page",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6700458",
"author": "Michael ... | 1,760,372,100.355002 | ||
https://hackaday.com/2023/11/19/how-the-ws2812-is-made/ | How The WS2812 Is Made | Elliot Williams | [
"LED Hacks"
] | [
"led",
"manufacturing",
"neopixel",
"ws2812"
] | [Scotty Allen] of
Strange Parts
is no stranger to Chinese factory tours, but this one is now our favorite.
He visits the font of all WS2812s, World Semi
, and takes a good look at the machines that make two million LEDs per day.
The big deal with the WS2812s, and all of the similar addressable LEDs that have followed t... | 28 | 8 | [
{
"comment_id": "6700297",
"author": "Cyna",
"timestamp": "2023-11-20T06:46:05",
"content": "WS2813, WS2815…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6700302",
"author": "mh",
"timestamp": "2023-11-20T06:55:17",
"content": "I’m still learning... | 1,760,372,100.417775 | ||
https://hackaday.com/2023/11/19/first-crispr-based-therapies-for-sickle-cell-disease-and-beta-thalassemia-approved-in-the-uk/ | First CRISPR-Based Therapies For Sickle Cell Disease And Beta Thalassemia Approved In The UK | Maya Posch | [
"Science"
] | [
"CRISPR",
"CRISPR CaS9",
"gene-therapy",
"hemoglobin",
"red blood cells"
] | The
gene-therapy-based treatment called Casgevy
was recently approved in the UK, making it the first time that a treatment based on the CRISPR-Cas9 gene editing tool has been authorized for medical treatments. During the clinical trials, a number of patients were enrolled with either
sickle cell disease
(SCD) or
β thal... | 20 | 10 | [
{
"comment_id": "6700272",
"author": "Travis",
"timestamp": "2023-11-20T04:51:37",
"content": "“another treatment to make the bone marrow susceptible to hosting the new cells.” Sounds a bit like chemo.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6700395",
... | 1,760,372,100.85825 | ||
https://hackaday.com/2023/11/19/hackaday-links-november-19-2023/ | Hackaday Links: November 19, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"hackaday links"
] | Two RUDs are better than one, right? That might be the line on
Saturday morning’s briefly spectacular second attempt
by SpaceX to launch their Starship vehicle atop a Super Heavy booster, which ended with the “rapid unscheduled disassembly” of both vehicles. The first attempt, back in April, had trouble from the get-go... | 8 | 4 | [
{
"comment_id": "6700215",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-11-20T01:07:59",
"content": "I thoroughly enjoyed the video of KMOX!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6700244",
"author": "Pinhead BE",
"timest... | 1,760,372,100.669863 | ||
https://hackaday.com/2023/11/19/hacking-apples-magic-mouse-to-fix-its-worst-flaws/ | Hacking Apple’s Magic Mouse To Fix Its Worst Flaws | Maya Posch | [
"Peripherals Hacks"
] | [
"apple",
"magic mouse"
] | The Magic Mouse was first released by Apple in 2009 and was a major departure from previous designs. It was sleek, low-profile, and featured a touch pad on the top for gestures. Although the first generation was powered by two AA batteries and didn’t lead to much commentary, the 2015 redesign caused a lot of scathing m... | 50 | 18 | [
{
"comment_id": "6700168",
"author": "Dude",
"timestamp": "2023-11-19T21:38:21",
"content": "Why would anyone tolerate a mouse that forces you to stop using your computer when it needs a recharge?Why would anyone try to work around such a stupid design fault instead of complaining to the company tha... | 1,760,372,100.950467 | ||
https://hackaday.com/2023/11/19/fixing-astronomy-in-the-blink-of-an-eye/ | Fixing Astronomy In The Blink Of An Eye | Al Williams | [
"LED Hacks",
"Science"
] | [
"astronomy",
"dark sky"
] | If you’ve ever set a telescope up in your backyard, you probably learned how quick any kind of lighting ruins your observation. In fact, a recent study found that every year, about 10% of the stars that were visible the previous year disappear in the mishmash of light scattering through the atmosphere. A company called... | 37 | 11 | [
{
"comment_id": "6700119",
"author": "LookAtDaShinyShiny",
"timestamp": "2023-11-19T18:33:48",
"content": "Doesn’t really matter whether it’s LEDs or any other form of lighting, it’s all a PITA for astronomy/astrophotography. LP filters are usually the first port of call depending on the type of li... | 1,760,372,100.798544 | ||
https://hackaday.com/2023/11/19/two-channel-guitar-stomp-box-makes-momentary-switches-latching/ | Two-Channel Guitar Stomp Box Makes Momentary Switches Latching | Dan Maloney | [
"ATtiny Hacks",
"Musical Hacks"
] | [
"attiny2313",
"effect pedal",
"guitar",
"latching",
"microcontroller",
"momentary",
"relay",
"should have used a 555",
"stomp box"
] | When we first saw [Maarten Tromp]’s article about a
“momentary latching switch” for guitar effects pedals
, we have to admit to being a bit confused. When it comes to push-button switches, “momentary” and “latching” seem to be at odds with each other, with different mechanisms inside the switch to turn one into the oth... | 12 | 5 | [
{
"comment_id": "6700084",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-11-19T15:03:47",
"content": "He really needs to name it “The Tromp Stomp”!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6700111",
"author": "pruttelherrie",
... | 1,760,372,100.721932 | ||
https://hackaday.com/2023/11/19/pineberry-pi-hatdrive-using-nvme-ssds-with-the-raspberry-pi-5/ | Pineberry Pi HatDrive: Using NVMe SSDs With The Raspberry Pi 5 | Maya Posch | [
"Raspberry Pi"
] | [
"NVMe",
"Raspberry Pi 5"
] | When the Raspberry Pi 5 launched, many were left chomping at the bit after seeing the PCIe FPC connector alongside the promise that an ‘NVMe SSD HAT would be forthcoming’. Although the official Raspberry Pi NVMe HAT is still a long while off, the Polish company Pineberry Pi is ramping up to release its Top & Bottom ver... | 27 | 10 | [
{
"comment_id": "6700056",
"author": "Grawp",
"timestamp": "2023-11-19T12:40:51",
"content": "Just why… If you don’t want to use RPi like a normal embedded device i.e. with RO memory and have wear leveled RW memory just for logs and you are hell bent on using it as a desktop then why not use just in... | 1,760,372,101.15045 | ||
https://hackaday.com/2023/11/19/miniature-hydraulic-jack-is-a-scale-marvel/ | Miniature Hydraulic Jack Is A Scale Marvel | Julian Scheffers | [
"Tool Hacks"
] | [
"hydraulics",
"machining",
"scale model"
] | Most hydraulic jacks are big tools that can lift upwards of 1000 kg but [Maker B]’s
is quite a bit smaller than average
.
The world’s smallest hydraulic jack is a tiny hand-machined model made out of tiny pieces of iron, brass and copper. But here’s the kicker: It’s a real hydraulic jack with real hydraulic fluid! At 1... | 6 | 5 | [
{
"comment_id": "6700067",
"author": "Clara",
"timestamp": "2023-11-19T13:28:15",
"content": "Perfect for stealing 1/5 scale bikes!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6700158",
"author": "Hirudinea",
"timestamp": "2023-11-19T20:35... | 1,760,372,100.992086 | ||
https://hackaday.com/2023/11/18/bigfoot-turns-classic-sewing-machine-into-a-leather-eating-monster/ | Bigfoot Turns Classic Sewing Machine Into A Leather-Eating Monster | Dan Maloney | [
"classic hacks"
] | [
"hall effect",
"leather",
"photointerrupter",
"pid",
"pwm",
"sewing",
"tachometer",
"universal motor"
] | If you try to sew leather on a standard consumer-grade machine, more often than not you’ll quickly learn its limits. Most machines are built for speed, and trying to get them to punch through heavy material at the low motor speeds often needed for leather work is a lesson in frustration.
How frustrating? Enough so that... | 12 | 7 | [
{
"comment_id": "6700025",
"author": "Elucidator",
"timestamp": "2023-11-19T08:46:13",
"content": "Well thats one way to do it. Definitely a hack.But $100-200 gets you a brushless sewing machine motor with needle position control on the bay.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,101.201043 | ||
https://hackaday.com/2023/11/18/restoring-the-silver-swan-automaton/ | Restoring The Silver Swan Automaton | Navarre Bartz | [
"History",
"Robots Hacks"
] | [
"automaton",
"kinetic art",
"kinetic sculpture",
"museum piece",
"swan"
] | It’s easier than ever to build your own robot, but humans have been building automatons since before anyone had even thought of electronics. One beautiful example is
the Silver Swan
, built in the 18th century.
The brainchild of [John Joseph Merlin] and silversmith [James Cox], the swan features three separate clockwor... | 15 | 10 | [
{
"comment_id": "6699942",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-11-19T03:18:34",
"content": "Beautiful!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6699969",
"author": "Ostracus",
"timestamp": "2023-11-19T05:... | 1,760,372,101.254641 | ||
https://hackaday.com/2023/11/18/wandering-through-old-word-processors-yields-a-beast/ | Wandering Through Old Word Processors Yields A Beast | Donald Papp | [
"Retrocomputing"
] | [
"ms-dos",
"NEC",
"olivetti",
"typewriter",
"vintage",
"word processor",
"x86"
] | The world once ran on hardcopy, and when the digital age started to bring new tools and ways of doing things, documents were ripe for change. Today, word processors and digital documents are so ubiquitous that they are hardly worth a thought, but that didn’t happen all at once. [Cathode Ray Dude] has a soft spot for ol... | 18 | 7 | [
{
"comment_id": "6699900",
"author": "irox",
"timestamp": "2023-11-19T01:25:16",
"content": "MASS11 anybody?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6700263",
"author": "Bert Schultz",
"timestamp": "2023-11-20T04:10:43",
"conte... | 1,760,372,101.307973 | ||
https://hackaday.com/2023/11/18/cooking-with-magnets-and-3d-printing/ | Cooking With Magnets And 3D Printing | Al Williams | [
"3d Printer hacks",
"Science"
] | [
"induction heating"
] | Have you ever wondered how induction cooking works? A rotating magnetic field — electrically or mechanically — induces eddy currents in aluminum and that generates heat. When [3D Sage] learned this, he decided to try to
3D print some mechanical rigs to spin magnets
so he could try cooking with them.
We doubt at all tha... | 9 | 3 | [
{
"comment_id": "6699776",
"author": "helge",
"timestamp": "2023-11-18T21:12:58",
"content": "Looks like a recycled video idea.Many Moving Magnets Melting Metalhttps://www.youtube.com/watch?v=l8PxXZoHTVU",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6699803... | 1,760,372,101.352005 | ||
https://hackaday.com/2023/11/18/bringing-back-the-crt-tv-experience-in-software/ | Bringing Back The CRT TV Experience In Software | Donald Papp | [
"Software Hacks",
"Video Hacks"
] | [
"cathode ray tube",
"crt",
"ntsc",
"retro",
"shader"
] | Cathode-Retro
is a collection of shaders and sample C++ code for reliving the glorious days when graphics were composite video signals displayed on a CRT screen. How? By faking it in software and providing more configuration options than any authentic setup ever had.
Love it or don’t, there’s nothing quite like it.
Not... | 44 | 18 | [
{
"comment_id": "6699718",
"author": "David Martin",
"timestamp": "2023-11-18T19:34:17",
"content": "Color convergence? Bringing the 3 CRT beams together in an exact point at every place on the screen is near impossible. Dynamic circuitry (magnetic coils etc) tweak the deflection of the 3 beams to ... | 1,760,372,101.629064 | ||
https://hackaday.com/2023/11/18/procrastineering-and-simulated-annealing/ | Procrastineering And Simulated Annealing | Elliot Williams | [
"Hackaday Columns"
] | [
"newsletter"
] | The software for the Supercon badge went down to the wire this year, with user-facing features being coded up as late as Thursday morning. This left “plenty of time” to flash the badges on Thursday afternoon, but they were admittedly still warm as the first attendees filed in on Friday morning. While I’ve always noted ... | 1 | 1 | [
{
"comment_id": "6699871",
"author": "12AU76L6GC",
"timestamp": "2023-11-19T00:04:08",
"content": "Simulated annealing was used in the US to assign a paired digital channel during the transition from NTSC to ATV. The assignment of analog TV channels was determined by spacing of co-channel, first adj... | 1,760,372,101.544943 | ||
https://hackaday.com/2023/11/18/why-gas-turbines-rule-the-world/ | Why Gas Turbines Rule The World | Al Williams | [
"Engineering"
] | [
"electric generation",
"Gas turbine"
] | It is an interesting fact that the most efficient way to generate electricity — at least so far — is to spin the shaft of a generator. The only real question is
how
you spin it. Falling water works. Heat from a nuclear reaction is another choice. For many decades, the king of the hill was steam. Now, however, gas turbi... | 27 | 8 | [
{
"comment_id": "6699552",
"author": "KC",
"timestamp": "2023-11-18T14:20:25",
"content": "https://fusionflight.com/arc/Fusion Flight has a production model hand carry gas turbine generator that can be linked to run in parallel with other units for increased output.Says they run on a diesel and lubr... | 1,760,372,101.695967 | ||
https://hackaday.com/2023/11/18/behold-the-track-twisting-mobius-tank/ | Behold The Track-Twisting Möbius Tank | Donald Papp | [
"Transportation Hacks"
] | [
"3d printed",
"mobius strip",
"tank"
] | It started with someone asking [James Bruton] about using a Möbius strip as a tank tread. He wasn’t sure what the point would be,
but he was willing to make one and see what happened
. Turns out it works reasonably well!
The grey plates are responsible for tensioning the tracks. Designing them as separate pieces means ... | 17 | 12 | [
{
"comment_id": "6699488",
"author": "Cricri",
"timestamp": "2023-11-18T11:10:24",
"content": "I suppose an advantage is that you wear “both sides” of the track, so it might be better for longevity. One disadvantage is that on the other hand, you are constrained into designing a track that is revers... | 1,760,372,101.837392 | ||
https://hackaday.com/2023/11/17/that-time-nasa-built-a-tiny-tank-to-pop-shuttle-tires/ | That Time NASA Built A Tiny Tank To Pop Shuttle Tires | Tom Nardi | [
"History",
"Toy Hacks"
] | [
"nasa",
"RC tank",
"Space Shuttle"
] | The Space Shuttle has often been called the most complex pieces of machinery ever built, an underhanded compliment if there ever was one. But it’s a claim not strictly limited to the final spacecraft. With a project as far ahead of the technological curve as the Shuttle was in the 1970s, nearly every component and syst... | 64 | 20 | [
{
"comment_id": "6699302",
"author": "Jan",
"timestamp": "2023-11-17T16:55:24",
"content": "Nice one to use on your neighbors.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6699303",
"author": "Lee Gleason",
"timestamp": "2023-11-17T16:59:31",
"co... | 1,760,372,102.066537 | ||
https://hackaday.com/2023/11/17/this-week-in-security-ssh-ftp-and-reptar/ | This Week In Security: SSH, FTP, And Reptar | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"ftp",
"rsa",
"ssh"
] | It’s time to strap on our propeller beanies, because we’re going to talk crypto. The short version is that
some SSH handshakes can expose enough information for a third party to obtain the host’s private signing key
. That key is the one that confirms you are connecting to the SSH server you think you are, and if the k... | 3 | 2 | [
{
"comment_id": "6699578",
"author": "bwmetz",
"timestamp": "2023-11-18T15:17:07",
"content": "The SSH bit was intriguing, particularly concerning the math and amount of data required to test this. That said, I would wager a MITM attack is far more likely due to folks simply ignoring thise key chan... | 1,760,372,102.10829 | ||
https://hackaday.com/2023/11/17/taking-a-public-transit-display-from-project-to-product/ | Taking A Public Transit Display From Project To Product | Dan Maloney | [
"LED Hacks"
] | [
"api",
"app store",
"firmware",
"led",
"manufacturing",
"matrix",
"product",
"project to product",
"scale-up"
] | We’ve noticed an uptick in “project to product” stories lately, which seems like a fantastic trend to us. It means that hackers are turning out projects that really resonate with people, to the degree that taking the leap and scaling up from a one-off to a marketable product is worth the inherent risk. And luckily enou... | 16 | 4 | [
{
"comment_id": "6699239",
"author": "Feinfinger (with diabolic laughter)",
"timestamp": "2023-11-17T12:25:57",
"content": "Aaaaaah…. DORT wurd Schlierenphotographie erfunden…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6699244",
"author": "David",
... | 1,760,372,101.745575 | ||
https://hackaday.com/2023/11/17/apple-archeology-the-future-once-had-server-side-computing-in-it/ | Apple Archeology: The Future Once Had Server Side Computing In It | Jenny List | [
"Retrocomputing"
] | [
"AIX",
"apple",
"ibm",
"system 7"
] | To read the IT press in the early 1990s, those far-off days just before the Web was the go-to source of information, was to be fed a rosy vision of a future in which desktop and server computing would be a unified and powerful experience. IBM and Apple would unite behind a new OS called Taligent that would run Apple, O... | 14 | 6 | [
{
"comment_id": "6699247",
"author": "Clovis Fritzen",
"timestamp": "2023-11-17T12:53:18",
"content": "Once? every single app you can download nowadays has some type of internet connection requirement (do you even know any truly offline app?) and server side processing.",
"parent_id": null,
... | 1,760,372,101.96971 | ||
https://hackaday.com/2023/11/16/a-canned-ham-ham-antenna/ | A Canned Ham Ham Antenna | Dan Maloney | [
"Radio Hacks"
] | [
"70 cm",
"amateur radio",
"antenna",
"canned ham",
"ham",
"radio",
"slot antenna"
] | If you’d have asked us for odds on whether you could successfully turn a canned ham into an amateur radio antenna, we’d have declined the offer. Now, having seen
[Ben Eadie (VE6SFX)]’s “hamtenna” project
, we’d look at just about any “Will it antenna?” project with a lot less skepticism than before.
To be painfully and... | 29 | 8 | [
{
"comment_id": "6699219",
"author": "dendad",
"timestamp": "2023-11-17T08:15:20",
"content": "I wonder if it did “meat” your expectations?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6699229",
"author": "Jan",
"timestamp": "2023-11-17T09:... | 1,760,372,102.171628 | ||
https://hackaday.com/2023/11/16/robot-hand-has-good-bones/ | Robot Hand Has Good Bones | Al Williams | [
"3d Printer hacks",
"Robots Hacks"
] | [
"ligaments",
"robot",
"robot hand",
"tendons"
] | What do you get when you mix rigid and elastic polymers with a laser-scanning 3D printing technique? If you are researchers at ETH Zurich, you get
robot hands with bones, ligaments, and tendons
. In conjunction with a startup company, the process uses both fast-curing and slow-curing plastics, allowing parts with diffe... | 8 | 4 | [
{
"comment_id": "6699171",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-11-17T03:04:48",
"content": "These folks deserve a hand!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6699175",
"author": "JN",
"timestamp": "2023-11-17T03... | 1,760,372,101.888506 | ||
https://hackaday.com/2023/11/16/no-tp-no-problem/ | No TP? No Problem! | Jenny List | [
"Lifehacks"
] | [
"paper",
"recycled paper",
"toilet paper"
] | Among First World Problems, there can be few worse than running out of toilet paper. The horror! If you’re not able to do as we did yesterday and borrow a pack until more can be bought, then you’re not without options. A handy copy of the
Daily Mail
could be cut into squares and hung up in your Smallest Room,
or you ca... | 42 | 21 | [
{
"comment_id": "6699142",
"author": "Matt",
"timestamp": "2023-11-17T00:08:13",
"content": "Does it come in other colors?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6699167",
"author": "𐂀 𐂅",
"timestamp": "2023-11-17T02:22:23",
... | 1,760,372,102.332923 | ||
https://hackaday.com/2023/11/16/colorreplica-is-a-rainbow-at-your-fingertips/ | ColorReplica Is A Rainbow At Your Fingertips | Kristina Panos | [
"Microcontrollers"
] | [
"color picker",
"ESP32",
"hex",
"HSV",
"oled",
"rgb"
] | Have you ever wanted to match paint to the color of a pillow, or make a website where the primary color matches your favorite shade of electrolytic capacitor?
Then ColorReplica is the project for you
.
At the heart of this build are two ESP32s, one of which controls the color picker, and the other lights up the 18 WS28... | 15 | 9 | [
{
"comment_id": "6699111",
"author": "J. Peterson",
"timestamp": "2023-11-16T21:05:34",
"content": "I tried to create something similar back in the day. It did -not- work out.In fact, I think it was even used for a Hackaday “Fail Friday”.https://saccade.com/writing/projects/ColorMeter/",
"parent... | 1,760,372,102.39168 | ||
https://hackaday.com/2023/11/16/umbrella-antenna-protects-you-from-rain-but-not-the-way-you-think/ | Umbrella Antenna Protects You From Rain, But Not The Way You Think | Dan Maloney | [
"Radio Hacks"
] | [
"GOES",
"noaa",
"RTL-SDR",
"satellite",
"SAWbird",
"umbrella"
] | You never know when you’ll be called upon to [MacGyver] your way out of an emergency. We can’t imagine what kind of situation would call for whipping up a
satellite ground station for NOAA weather satellites from junk
, but hey, it could happen.
And when it does, you’ll be ready — as long as you have an umbrella, some ... | 8 | 6 | [
{
"comment_id": "6699100",
"author": "MrHoward",
"timestamp": "2023-11-16T19:44:55",
"content": "Also features Fluff. So, bonus.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6699112",
"author": "make piece not war",
"timestamp": "2023-11-16T21:13:23... | 1,760,372,103.050344 | ||
https://hackaday.com/2023/11/16/a-3d-printed-grinder-for-printed-lens-blanks/ | A 3D Printed Grinder For Printed Lens Blanks | Dan Maloney | [
"Parts",
"Tool Hacks"
] | [
"blanks",
"FDM",
"grinding",
"lens",
"optic",
"polishing",
"resin",
"sla"
] | When one thinks of applications for 3D printing, optical components don’t seem to be a good fit. With the possible exception of Fresnel lenses, FDM printing doesn’t seem up to the job of getting the smooth surfaces and precision dimensions needed to focus light. Resin printing might be a little closer to the mark, but ... | 20 | 7 | [
{
"comment_id": "6699078",
"author": "H Hack",
"timestamp": "2023-11-16T17:14:47",
"content": "Fantastic project! Does anyone have an idea how I can make real glass for lenses? I have access to furnaces and various related equipment.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,102.445295 | ||
https://hackaday.com/2023/11/16/tech-in-plain-sight-what-does-a-yellow-light-mean/ | Tech In Plain Sight: What Does A Yellow Light Mean? | Al Williams | [
"Hackaday Columns"
] | [
"Traffic Lights"
] | Ghigleri’s traffic light
The traffic light is a ubiquitous feature of modern life and is quite old — dating back to 1868 London, although that device was a modified railroad semaphore operated by a policeman, but it was the same idea. The initial test of the signal proved disastrous.
The semaphore had gas lamps to illu... | 58 | 18 | [
{
"comment_id": "6699057",
"author": "a_do_z",
"timestamp": "2023-11-16T15:28:06",
"content": "Eyes scan article title.Brain hears “SLOW DOWN”. . .“WWWWHHHHAAAATTTTT DOOOOOEEEEESSSSS UUUUHHHHH YYYYYEEEEELLLLLOOOOWWWW LLLLLIIIIIIGGGGGHHHHHTTTTTT MMMMMMEEEEEAAAANNNNN?!”Not disappointed to see the refe... | 1,760,372,102.617973 | ||
https://hackaday.com/2023/11/16/probably-the-largest-selfie-camera-in-the-world/ | Probably The Largest Selfie Camera In The World | Jenny List | [
"digital cameras hacks"
] | [
"camera",
"camera obscura",
"selfie"
] | Most readers will have some idea of how a camera works, with a lens placed in front of a piece of film or an electronic sensor, and the distance between the two adjusted until the images is in focus. The word “camera” is a shortening of “camera obscura”, the Latin for “dark room”, as some early such devices were darken... | 0 | 0 | [] | 1,760,372,102.477908 | ||
https://hackaday.com/2023/11/16/lessons-in-mass-production-from-an-atari-punk-console/ | Lessons In Mass Production From An Atari Punk Console | Dan Maloney | [
"Musical Hacks",
"Parts"
] | [
"apc",
"atari punk console",
"design for manfacturing",
"dfm",
"manufacturing",
"mass production",
"packaging",
"scale-up"
] | Sometimes the most interesting part of a project isn’t the widget itself, but what it teaches you about the manufacturing process. The story of
the manufacturing scale-up of this Atari Punk Console
and the lessons learned along the way is a perfect example of this.
Now, don’t get us wrong — we love
Atari Punk Consoles
... | 7 | 6 | [
{
"comment_id": "6699007",
"author": "mime",
"timestamp": "2023-11-16T09:15:43",
"content": "nice!It was interesting to see how much effort he put into making the folded paper insert. Came out looking very professional. Nice touch.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,102.520006 | ||
https://hackaday.com/2023/11/15/robots-how-the-pros-keep-them-safe/ | Robots: How The Pros Keep Them Safe | Richard Baguley | [
"Robots Hacks"
] | [
"robots",
"safety"
] | Robotic safety standards are designed for commercial bots, but amateur robot builders should also consider ideas like the keepout zone where a mobile robot isn’t permitted to go or how to draw out the safety perimeter space for your experimental robot arm. After all, that robot arm won’t stop crushing your fingers beca... | 4 | 4 | [
{
"comment_id": "6698997",
"author": "WereCatf",
"timestamp": "2023-11-16T06:26:40",
"content": "There just was recently a news story about a South Korean employee who got maimed by an industrial robot and died of his injuries. They were apparently inspecting the robot, but had not disabled it or it... | 1,760,372,102.894281 | ||
https://hackaday.com/2023/11/17/electric-truck-carries-74-tons/ | Electric Truck Carries 74 Tons | Al Williams | [
"Transportation Hacks"
] | [
"electric truck",
"heavy haul",
"volvo"
] | Thanks to the various measurement systems in use, we aren’t sure if
Volvo has created an electric truck
that carries 74 metric tons, 74 short tons, or 74 long tons, but either way, that’s a lot of cargo for an electric truck. After all, that’s somewhere between 148,000 and 163,000 pounds (or 67,000 kg to 74,000 kg). Th... | 73 | 16 | [
{
"comment_id": "6699443",
"author": "paulvdh",
"timestamp": "2023-11-18T06:46:08",
"content": "Do note that those 74tonnes (As they write it, which implies metrichttps://en.wikipedia.org/wiki/Tonne) is the gross combination weight, and not the cargo capacity.So I assume that means it can carry it’... | 1,760,372,102.852927 | ||
https://hackaday.com/2023/11/17/additive-manufacturing-of-nickel-nanopillars-using-two-photon-lithography/ | Additive Manufacturing Of Nickel Nanopillars Using Two-Photon Lithography | Maya Posch | [
"Science"
] | [
"lithography",
"nanotechnology"
] | The multistep, two-photon-lithography-based additive manufacturing method forms intermediate products of blank polymer, Ni-infused polymer, and NiO while fabricating Ni
nanopillars. (Credit: Zhang et al., 2023)
Manufacturing nano-sized features is rapidly becoming an essential part of new technologies and process, rang... | 0 | 0 | [] | 1,760,372,102.736793 | ||
https://hackaday.com/2023/11/17/a-low-voltage-tube-makes-for-a-handy-preamplifier/ | A Low Voltage Tube Makes For A Handy Preamplifier | Jenny List | [
"classic hacks"
] | [
"low voltage",
"tube",
"Tube Preamp"
] | When most people think of tube circuits, the first thing that comes to mind is often the use of high-voltage power supplies. It wasn’t a given for tube circuits, though, as a range of low-voltage devices were developed for applications such as car radios. It’s one of these, an ECH83 triode-heptode, which
[
mircemk
] ha... | 29 | 9 | [
{
"comment_id": "6699398",
"author": "Michael Henderson",
"timestamp": "2023-11-18T00:17:58",
"content": "I don’t recall 0V control grid bias being a thing (for linear modes, anyway). I’ll have to review previous topologies. The microphonic enhancing mechanical design is in keeping with guitar cultu... | 1,760,372,102.971937 | ||
https://hackaday.com/2023/11/17/supersize-your-intel-4004-by-over-10-times/ | Supersize Your Intel 4004 By Over 10 Times | Julian Scheffers | [
"Retrocomputing"
] | [
"discrete transistors",
"intel 4004"
] | This is quite a bit bigger than the original 12mm² die.
The Intel 4004 was among the first microprocessors and one of the first to use the MOS silicon-gate technology. In the decades long race to build bigger CPUs, it’s been mostly forgotten. Forgotten that is, until
[Klaus Scheffler] supersized it over ten-fold
!
The ... | 22 | 14 | [
{
"comment_id": "6699406",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-11-18T01:12:26",
"content": "Awwww! Gee whiz!I was hoping he was going to give it 10 times the data and address lines!Shucks!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comme... | 1,760,372,103.108829 | ||
https://hackaday.com/2023/11/17/you-can-now-build-your-own-polaroid-style-pack-film-cartridge/ | You Can Now Build Your Own Polaroid-style Pack Film Cartridge | Jenny List | [
"classic hacks"
] | [
"instant camera",
"instant film",
"polaroid"
] | Instant photography was one of the twentieth century’s coolest-to-have consumer inventions, but when the digital photography revolution came it had few answers. It survives as a niche format thanks to Fuji’s Instax line and a group of Dutch entrepreneurs who revived a defunct Polaroid works, but what hasn’t made it are... | 5 | 4 | [
{
"comment_id": "6699365",
"author": "Paul",
"timestamp": "2023-11-17T20:14:31",
"content": "Adjusted for inflation, 10 bucks a shot isn’t far off the cost of the real stuff in 1950.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6699886",
"author": ... | 1,760,372,103.011857 | ||
https://hackaday.com/2023/11/17/the-case-for-a-technology-aware-lobby-correspondent/ | The Case For A Technology Aware Lobby Correspondent | Jenny List | [
"Current Events",
"Featured",
"Interest",
"Slider"
] | [
"journalism",
"politics",
"technology"
] | We cover all manner of stories here at Hackaday, including awesome hardware hacks, the latest trends and inventions, and in-depth guides to fascinating technologies. We also cover a few news stories from the wider world outside our community, usually when they have some knock-on effect that has an impact on us. Recentl... | 24 | 6 | [
{
"comment_id": "6699335",
"author": "Twisty Plastic",
"timestamp": "2023-11-17T18:21:50",
"content": "Here in the US whenever the politicians are finally convinced they need to consult someone with more technical knowledge things don’t get better. Instead that just means they will bring someone in ... | 1,760,372,103.171032 | ||
https://hackaday.com/2023/11/17/hackaday-podcast-244-fake-chips-drinking-radium-and-spotting-slippery-neutrinos/ | Hackaday Podcast 244: Fake Chips, Drinking Radium, And Spotting Slippery Neutrinos | Kristina Panos | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Kristina Panos met up to discuss the best hacks of the previous week, at least in our opinions.
After chasing the angry bird away from Kristina’s office, we go to the news and learn that we’re in the middle of a solar conjunction Essentially, the Sun has come between Earth... | 2 | 1 | [
{
"comment_id": "6699669",
"author": "calculus",
"timestamp": "2023-11-18T18:07:28",
"content": "This one is for Kristina and her bird. There is a bird colloquially called the go away bird due to the sound it makes.https://m.youtube.com/watch?v=BsO7XL2W7K0Enjoy.",
"parent_id": null,
"depth":... | 1,760,372,103.210488 | ||
https://hackaday.com/2023/11/15/the-linux-scheduler-and-how-it-handles-more-cores/ | The Linux Scheduler And How It Handles More Cores | Maya Posch | [
"Linux Hacks"
] | [
"linux",
"scheduler"
] | Sometimes you read an article headline and you find yourself re-reading it a few times before diving into the article. This was definitely the case for a
recent blog post
by [The HFT Guy], where the claim was made that the Linux kernel has for fifteen years now been hardlocked into not scheduling for more than 8 cores.... | 18 | 4 | [
{
"comment_id": "6698996",
"author": "paulvdh",
"timestamp": "2023-11-16T05:50:49",
"content": "After 2005 the majority of computers in the top 500 have been running Linux (Before that it was mostly Unix), and after 2018 Linux has completely taken over and it dominates the market. ALL of them are ru... | 1,760,372,103.349618 | ||
https://hackaday.com/2023/11/15/after-mems-microphones-mems-speakers-enter-the-market/ | After MEMS Microphones, MEMS Speakers Enter The Market | Maya Posch | [
"digital audio hacks"
] | [
"MEMS",
"MEMS speaker"
] | These days it’s hard to not come across solid-state (micro-electromechanical systems, MEMS) microphones, as they are now displacing electret microphones almost everywhere due to their small size and low cost. Although MEMS speakers are not impossible, creating a miniature speaker that can both displace a lot of air (‘v... | 15 | 8 | [
{
"comment_id": "6698987",
"author": "𐂀 𐂅",
"timestamp": "2023-11-16T04:06:20",
"content": "Would these be useful in a phase array where you need a larger sound field but one that is directional? e.g. Your device can see you with its camera so it knows where your ears are and can then project soun... | 1,760,372,103.402612 | ||
https://hackaday.com/2023/11/15/backyard-ufo-is-out-of-this-world/ | Backyard UFO Is Out Of This World | Kristina Panos | [
"Holiday Hacks",
"Microcontrollers"
] | [
"friggin lasers",
"RGB LEDs",
"smoke",
"Teensy 4.1",
"UFO"
] | Halloween may be over for another year, but UFOs in your yard are cool year-round. This one might take the cake.
[frydom.john]’s excellent UFO
is fully programmable and contains about 2000 addressable RGB LEDs, smoke, a laser-lit ramp, and of course, an alien crew.
Under the hood of the wooden frame, you’ll find a Teen... | 11 | 6 | [
{
"comment_id": "6698945",
"author": "Seth G",
"timestamp": "2023-11-15T21:52:06",
"content": "No Close Encounters music?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6698952",
"author": "make piece not war",
"timestamp": "2023-11-15T22:35:... | 1,760,372,103.452793 | ||
https://hackaday.com/2023/11/15/dont-look-up-or-youll-see-the-time-from-this-vfd-projection-clock/ | Don’t Look Up, Or You’ll See The Time From This VFD Projection Clock | Dan Maloney | [
"clock hacks"
] | [
"ceiling",
"clock",
"JSON-RPC",
"lenses",
"projection",
"stm32",
"vacuum fluorescent display",
"vfd"
] | Ceiling clocks were a bit of a thing back in the days when clock radios were a fixture of nightstands. The idea was to project the time onto the ceiling so you’d only have to roll over onto your back and open your eyes to check the time, instead of potentially disturbing your slumber by craning your neck around to see ... | 19 | 11 | [
{
"comment_id": "6698935",
"author": "Kelly",
"timestamp": "2023-11-15T20:22:14",
"content": "Really nice, I wonder what the focal distance from VFD to lens ended up being. Now at night staring at the ceiling, how would you know the alarm is on? I made the colons blink if ALM_ON and on steady if ALM... | 1,760,372,105.579249 | ||
https://hackaday.com/2023/11/15/a-brief-history-of-weather-control/ | A Brief History Of Weather Control | Al Williams | [
"Hackaday Columns",
"History"
] | [
"cloud seeding",
"weather",
"weather control"
] | It used to be a common expression to say that something would happen when “people walked on the moon.” That is, something that was never going to happen. Of course, by 1960, it was clear that someone was going to walk on the moon eventually. There were many other things everyone “knew” would happen in the future. Some ... | 8 | 4 | [
{
"comment_id": "6698918",
"author": "Jeremy Hong",
"timestamp": "2023-11-15T20:37:01",
"content": "Going to leave a comment here stating that “Did you know? HAARP isn’t just a mysterious conspiracy theory—it’s actually a ham radio station!” KL7ERP",
"parent_id": null,
"depth": 1,
"repli... | 1,760,372,105.316835 | ||
https://hackaday.com/2023/11/15/underwater-kites-buoying-the-prospect-of-more-tidal-power-generation/ | Underwater Kites Buoying The Prospect Of More Tidal Power Generation | Maya Posch | [
"green hacks",
"News"
] | [
"renewable energy",
"tidal"
] | Swedish start-up Minesto has been for years trying to float the idea of having underwater turbines that generate power for use on-shore. These would be anchored to the seafloor by a long tether and move around in figure-of-eight patterns like a kite, which would increase the flow over the turbine’s blades. After a few ... | 7 | 6 | [
{
"comment_id": "6698897",
"author": "fiddlingjunky",
"timestamp": "2023-11-15T16:48:34",
"content": "Kinda similar to this wind-powered project, though I think that it generates power from pulling on the tether, which turns a generator, rather than relying on an onboard propeller-driven generator (... | 1,760,372,105.185974 | ||
https://hackaday.com/2023/11/15/a-look-at-all-the-badge-hacks-of-supercon-2023/ | A Look At All The Badge Hacks Of Supercon 2023 | Tom Nardi | [
"cons",
"Featured",
"handhelds hacks",
"Slider"
] | [
"2023 Hackaday Supercon",
"badge hacking",
"vectorscope"
] | For those of you who’ve had the opportunity to join us in Pasadena for Supercon, you’ll know it’s a wild ride from start to finish. Singling out a single moment as our favorite is pretty much impossible, but certainly the Sunday Badge Hacking Ceremony has to rank up there. It’s the culmination of ~78 hours of intense h... | 6 | 4 | [
{
"comment_id": "6698883",
"author": "Elliot Williams",
"timestamp": "2023-11-15T15:44:10",
"content": "Funny, just saw this:https://hackaday.io/project/193538The Hack-a-Sketch.Other folks who have put their hacks up on IO, or anywhere, please drop us a link here. Don’t be shy!",
"parent_id": n... | 1,760,372,105.260749 | ||
https://hackaday.com/2023/11/15/diesel-station-wagon-runs-on-plastic/ | Diesel Station Wagon Runs On Plastic | Bryan Cockfield | [
"Transportation Hacks"
] | [
"240",
"alternative fuel",
"distillation",
"hydrocarbon",
"plastic",
"refinery",
"station wagon",
"volvo"
] | Old diesel engines from various car manufacturers like Mercedes and Volkswagen are highly prized even in modern times. Not only were these engines incredibly reliable and mechanically simple, but they can easily be modified to run on a wide variety of fuels. It’s common to see old Volkswagen Jettas or Mercedes 300Ds ru... | 58 | 13 | [
{
"comment_id": "6698839",
"author": "Daid",
"timestamp": "2023-11-15T12:05:36",
"content": "Quick translation from Dutch on how it works is that is heats up the plastic in an enclosed container where there is no air (or oxygen, word in Dutch can mean both). And then it becomes gas form, goes trough... | 1,760,372,105.52112 | ||
https://hackaday.com/2023/11/15/num-pad-reborn-as-stream-deck/ | Num Pad Reborn As Stream Deck | Kristina Panos | [
"Peripherals Hacks"
] | [
"macro pad",
"macropad",
"num pad",
"numpad",
"stream deck"
] | Stream decks are cool and all, but they are essentially expensive, albeit sorta cool-looking macro pads. So why not try to make your own?
You don’t necessarily have to start from scratch
.
It all started when [dj_doughy] found an extremely clicky num pad in a recycle pile. It was so clicky, in fact, that even though [d... | 11 | 5 | [
{
"comment_id": "6698838",
"author": "greg",
"timestamp": "2023-11-15T11:57:46",
"content": "Not to be at all disparaging of the work here, I can’t help but note I’ve been doing this for a couple of years with a Windows app called Multi-Keyboard Macros. I use it with a full keyboard to my left for ... | 1,760,372,105.130641 | ||
https://hackaday.com/2023/11/14/the-quaint-history-of-the-commodore-chessmate/ | The Quaint History Of The Commodore ChessMate | Maya Posch | [
"Retrocomputing"
] | [
"chess",
"ChessMate",
"commodore"
] | The Commodore International of the 1970s was a company which dabbled in a bit of everything when it came to consumer electronics, with the Commodore ChessMate being a prime example of the circuitous way that some of its products came to be. Released in 1978, its existence was
essentially the result of
MOS Technology re... | 6 | 4 | [
{
"comment_id": "6698828",
"author": "BT",
"timestamp": "2023-11-15T10:19:12",
"content": "A rather important footnote to this story is that [Peter Jennings] went on to write VisiCalc, the precursor to spreadsheets we know today!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,105.006493 | ||
https://hackaday.com/2023/11/14/balloon-to-fly-during-solar-eclipse/ | Balloon To Fly During Solar Eclipse | Bryan Cockfield | [
"Cellphone Hacks",
"News"
] | [
"balloon",
"data",
"eclipse",
"instrumentation",
"live stream",
"science",
"solar eclipse",
"stratosphere",
"telescope",
"weather balloon"
] | The Great American Eclipse was a solar eclipse that passed nearly the entire continental United States back in 2017. While it might sound like a once-in-a-lifetime event to experience a total solar eclipse, the stars have aligned to bring another total solar eclipse to North America although with a slightly different p... | 9 | 5 | [
{
"comment_id": "6698795",
"author": "KoshsShadow",
"timestamp": "2023-11-15T03:12:13",
"content": "Having just been watching Monty Python on airships, I have to channel their version of Count Zeppelin and say:IT IS NOT A BALLOON! IT IS AN AIRSHIP!And out the door they go",
"parent_id": null,
... | 1,760,372,105.364762 | ||
https://hackaday.com/2023/11/14/increase-your-blinkenlights-with-this-silicon-wafer-necklace/ | Increase Your Blinkenlights With This Silicon Wafer Necklace | Julian Scheffers | [
"Art"
] | [
"necklace",
"RISC-V",
"silicon wafer",
"tapeout"
] | Necklaces aren’t often very high-tech, mostly because of the abuse they have to go through being worn. This was obviously a problem that needed solving, so [Matt Venn] decided to change that by making
a necklace out of ASICs
just in time for Supercon.
Although this isn’t the first time [Matt] made such a necklace, he t... | 5 | 3 | [
{
"comment_id": "6698777",
"author": "Lee Gleason",
"timestamp": "2023-11-15T00:59:01",
"content": "THis takeme back to the late 60s, when LEDs were new and started bcoeming available at reasonable prices. Companies produced pendants with blinking LEDs…and they looked really exotic at the time.",
... | 1,760,372,105.417751 | ||
https://hackaday.com/2023/11/14/an-off-grid-ev-camper-van/ | An Off-Grid EV Camper Van | Navarre Bartz | [
"Transportation Hacks"
] | [
"camper",
"camper van",
"camping",
"eindhoven",
"solar car"
] | Despite our predilection for creature comforts like electricity, it can be nice to get away from it all from time-to-time. Students from
Eindhoven University of Technology
developed
Stella Vita
to let you glamp from the power of the sun alone.
Solar-powered vehicles have been plying the highways for decades, but we’re ... | 34 | 10 | [
{
"comment_id": "6698736",
"author": "NurseBobIsRetired",
"timestamp": "2023-11-14T21:45:26",
"content": "Very Cool, though while off grid, with that ground clearance it would never survive off pavement except, maybe, on my lawn… Still waiting for one of the mythical Rivian “Camper” vans…However, ma... | 1,760,372,105.079472 | ||
https://hackaday.com/2023/11/14/theres-no-ai-in-a-markov-chain-but-theyre-fun-to-play-with/ | There’s No AI In A Markov Chain, But They’re Fun To Play With | Jenny List | [
"Artificial Intelligence",
"Software Hacks"
] | [
"language",
"Markov chain",
"python"
] | Amid all the hype about AI it sometimes seems as though the world has lost sight of the fact that software such as ChatGPT contains no intelligence. Instead it’s an extremely sophisticated system for extracting plausible machine generated content from the corpus on which it is trained. There’s a long history behind mac... | 72 | 16 | [
{
"comment_id": "6698710",
"author": "RunnerPack",
"timestamp": "2023-11-14T19:45:29",
"content": "More like “Associated Press Intelligence” (an oxymoron if I’ve ever heard one)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6698714",
"author": "Miroslav",... | 1,760,372,105.695941 | ||
https://hackaday.com/2023/11/14/testing-various-properties-of-lego-compatible-axles/ | Testing Various Properties Of LEGO-Compatible Axles | Maya Posch | [
"Toy Hacks"
] | [
"lego",
"material testing"
] | If you ever wondered what’d happen if you were to use LEGO Technic parts, but they were made out of something other than plastic, the
[Brick Experiment Channel] has got you covered
. Pitting original Lego axles against their (all except steel commercially available) equivalents made out of carbon fiber, aluminium and s... | 9 | 4 | [
{
"comment_id": "6698692",
"author": "smellsofbikes",
"timestamp": "2023-11-14T16:41:08",
"content": "Very occasionally, LEGO has released bearing blocks that had some sort of bushings in them, that spun much, much better. I have a few wheels that are official LEGO parts with round steel pins stick... | 1,760,372,105.746797 | ||
https://hackaday.com/2023/11/14/detecting-neutrinos-the-slippery-ghost-particles-that-dont-want-to-interact/ | Detecting Neutrinos, The Slippery Ghost Particles That Don’t Want To Interact | Lewin Day | [
"Featured",
"Interest",
"Original Art",
"Science",
"Slider"
] | [
"neutrino",
"neutrinos",
"particle physics",
"physics"
] | Neutrinos are some of the most elusive particles that are well-known to science. These tiny subatomic particles have no electric charge and an extremely small mass, making them incredibly difficult to detect. They are produced in abundance by the sun, as well as by nuclear reactions on Earth and in supernovae. Despite ... | 62 | 16 | [
{
"comment_id": "6698681",
"author": "O",
"timestamp": "2023-11-14T15:17:50",
"content": "Interesting article, but neutrinos don’t move “faster than the speed of light.” At least not according to these folks:https://www.science.org/content/article/once-again-physicists-debunk-faster-light-neutrino... | 1,760,372,106.026215 | ||
https://hackaday.com/2023/11/14/d-point-a-digital-pen-with-optical-inertial-tracking/ | D-POINT: A Digital Pen With Optical-Inertial Tracking | Dave Rowntree | [
"Peripherals Hacks"
] | [
"6-DOF",
"ArUco",
"Inertial tracking",
"Kalman Filtering",
"Numba JIT compiler",
"numpy",
"pressure sensor",
"sensor fusion",
"visual pose estimation",
"webcam"
] | [Jcparkyn] clearly had an interesting topic for their thesis project, and was conscientious enough to write up a chunk of it and release it to the wild. The project in question is a
digital pen that uses some neat sensor fusion
to combine the inputs from a pen-mounted gyro/accelerometer with data from an optical tracki... | 4 | 3 | [
{
"comment_id": "6698672",
"author": "Andy Pugh",
"timestamp": "2023-11-14T13:45:39",
"content": "This pen had some similar functionality (and a roller/encoder too) 7 or so years ago.https://www.indiegogo.com/projects/01-world-s-first-dimensioning-instrument#/(I actually bought one, and have never r... | 1,760,372,105.908897 | ||
https://hackaday.com/2023/11/14/pi-zero-fpv-robot-uses-tiny-motor-gears/ | Pi Zero FPV Robot Uses Tiny Motor & Gears | Richard Baguley | [
"Robots Hacks"
] | [
"FPV",
"pi zero",
"robot"
] | We’ve seen plenty of first-person view (FPV) robots built using the Raspberry Pi Zero, but this one from [Shane] has an interesting twist: rather than directly driving the wheels from big motors, it uses small motors and gearboxes to drive the wheels, with some of the gears being 3D printed.
[Shane] has posted the
full... | 4 | 3 | [
{
"comment_id": "6698669",
"author": "Arya Voronova",
"timestamp": "2023-11-14T13:28:26",
"content": "Oh that’s cute! A pretty nice robot for a beginner who’s okay with assembling a PCB!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6698694",
"autho... | 1,760,372,106.112805 | ||
https://hackaday.com/2023/11/13/3d-printed-stamp-rollers/ | 3D Printed Stamp Rollers | Al Williams | [
"3d Printer hacks"
] | [
"roller",
"stamp"
] | If you have an artistic bent, you might have seen self-inking stamp rollers. These are like rotary rubber stamps that leave a pattern as you roll across a page. [Becky] wanted a
larger custom roller and turned to 3D printing
to make it happen. The first prototype used a modified Sharpie. However, she soon moved to an u... | 3 | 2 | [
{
"comment_id": "6698639",
"author": "tinky",
"timestamp": "2023-11-14T08:17:07",
"content": "Maybe the PrusaSlicer emboss/deboss feature can be used on a .stl with a blank wheel in place to easily add custom text or symbols.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,106.155241 | ||
https://hackaday.com/2023/11/13/using-nuclear-decay-as-random-number-generator-source-for-an-mcu/ | Using Nuclear Decay As Random Number Generator Source For An MCU | Maya Posch | [
"Microcontrollers"
] | [
"hardware rng",
"random number generator"
] | Although there are many ways to get a random number generator (RNG) set up on a microcontroller, it’s hard to argue with the sheer randomness of the various kinds of radiation zipping all around us from nuclear decay events. For [gbonacini] the purchase of a Geiger counter first in 2022 was the reason to tinker with
us... | 1 | 1 | [
{
"comment_id": "6703729",
"author": "William Payne",
"timestamp": "2023-12-01T00:20:16",
"content": "Orderly enumeration of nonsingular binary matrices applied to text encryption.https://dl.acm.org/doi/10.1145/359460.359464The GFSR.https://www.google.com/search?q=generalized+feedback+shift+register... | 1,760,372,106.071708 | ||
https://hackaday.com/2023/11/13/obsolete-e-reader-gets-new-life/ | Obsolete E-Reader Gets New Life | Bryan Cockfield | [
"Software Hacks"
] | [
"book",
"display",
"ebook",
"ereader",
"inktober",
"linux",
"picture",
"pocketbook",
"shell",
"uboot"
] | For those who read often, e-readers are a great niche device that can help prevent eye fatigue with their e-ink displays especially when compared to a backlit display like a tablet or smartphone, all while taking up minimal space unlike a stack of real books. But for all their perks, there are still plenty of reasons t... | 6 | 3 | [
{
"comment_id": "6698591",
"author": ".",
"timestamp": "2023-11-14T00:27:31",
"content": "I use an inkplate 10, with a library of ebooks that I, uh, *acquired* for free. It’s actually helped me keep off my laptop for 3/4 my waking hours. Definitely do recommend, although you need to roll the softwar... | 1,760,372,106.241642 | ||
https://hackaday.com/2023/11/12/data-science-the-stanford-way/ | Data Science The Stanford Way | Al Williams | [
"Science",
"Software Development"
] | [
"data science",
"stanford"
] | Data science is a relatively new term for a relatively old discipline. Essentially, it is data analysis, particularly for large data sets. It involves techniques as wide-ranging as statistics, computer science, and information theory. What to know more? Stanford has a “
Data Science Handbook
” that you can read online.... | 27 | 9 | [
{
"comment_id": "6698373",
"author": "Ostracus",
"timestamp": "2023-11-13T03:08:54",
"content": "I’m guessing Python is easy to work with.https://www.humblebundle.com/books/data-science-no-starch-press-books",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "669... | 1,760,372,106.448596 | ||
https://hackaday.com/2023/11/12/hackaday-links-november-12-2023/ | Hackaday Links: November 12, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"astronauts",
"calculator",
"cruise",
"hackaday links",
"iss",
"layoffs",
"nice round numbers",
"relay logic",
"satellite",
"spacewalk",
"tire",
"tools",
"unix epoch",
"wagon wheel",
"wheel",
"wheelwright"
] | Somebody must really have it in for Cruise, because the bad press just keeps piling up for the robo-taxi company. We’ve highlighted many of the company’s woes in this space, from
unscheduled rendezvous
with various vehicles to
random acts of vandalism
and
stupid AI pranks
. The hits kept coming as
California regulators... | 11 | 6 | [
{
"comment_id": "6698361",
"author": "Ostracus",
"timestamp": "2023-11-13T00:41:31",
"content": "Steel toed boots.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6698364",
"author": "Joe",
"timestamp": "2023-11-13T01:33:26",
"content": "Shouldn’t t... | 1,760,372,106.293734 | ||
https://hackaday.com/2023/11/12/arduino-sticker-dispenser-saves-time/ | Arduino Sticker Dispenser Saves Time | Kristina Panos | [
"Arduino Hacks"
] | [
"arduino",
"arduino nano",
"NEMA-17",
"paste dispenser"
] | What’s the worst part about packaging up a whole lot of the same basic thing? It might just be applying the various warning stickers to the outside of the shipping box. Luckily, [Mr Innovative] has built
an open-source automatic sticker dispenser
that does the peeling for you, while advancing the roll one at a time qui... | 18 | 7 | [
{
"comment_id": "6698344",
"author": "Dan",
"timestamp": "2023-11-12T22:00:45",
"content": "That’s a nice neat solution! I can see that saving a lot of time if you are labelling boxes or something.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6698347",
"... | 1,760,372,106.378383 | ||
https://hackaday.com/2023/11/12/the-ibm-mda-should-have-been-the-cda/ | The IBM MDA Should Have Been The CDA | Jenny List | [
"Retrocomputing"
] | [
"display adapter",
"IBM PC",
"MDA"
] | If you are reading this on an IBM PC-compatible computer, it is a certainty that its graphics card will support the lowest common denominator of PC displays, the Monochrome Display Adapter, or MDA. This was a video card which delivered a text-only display in black-and-white that was an option fitted to the very first P... | 21 | 7 | [
{
"comment_id": "6698313",
"author": "Felix Domestica",
"timestamp": "2023-11-12T18:20:42",
"content": "Note that the monochrome _display_ (the CRT) relied on the adapter for its timing signals. It was reportedly possible to put the adapter into a mode that would cause actual damage to the display’... | 1,760,372,106.637849 | ||
https://hackaday.com/2023/11/12/a-classic-shortwave-radio-restored/ | A Classic Shortwave Radio Restored | Al Williams | [
"Radio Hacks",
"Repair Hacks",
"Teardown"
] | [
"shortwave",
"sony"
] | Before the Internet, if you wanted to hear news from around the world, you probably bought a shortwave receiver. In the golden age of world band radio, there was a great deal of high-quality programming on the shortwave bands and a large variety of consumer radios with shortwave bands. For example, the
Sony CRF-160 tha... | 20 | 7 | [
{
"comment_id": "6698288",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-11-12T15:09:04",
"content": "The Big Mac was available in 1972?I wouldn’t know, our town did not get a McDonald’s until the latter 1970s.“Two all beef patties, special sauce, lettuce, cheese, …”",
"par... | 1,760,372,106.700164 | ||
https://hackaday.com/2023/11/12/introducing-molybdenene-as-graphenes-new-dirac-matter-companion/ | Introducing Molybdenene As Graphene’s New Dirac Matter Companion | Maya Posch | [
"News",
"Science"
] | [
"graphene",
"materials",
"molybdynene"
] | Amidst all the (well-deserved) hype around graphene, it’s important to remember that its properties are not unique to carbon. More atoms can be coaxed into stable 2-dimensional configuration, with molybdenene previously theoretically possible. This is now
demonstrated
by Tumesh Kumar Sahu and colleagues in a recent
Nat... | 9 | 5 | [
{
"comment_id": "6698261",
"author": "Joseph Eoff",
"timestamp": "2023-11-12T12:44:30",
"content": "“If the past decades of research into graphene has demonstrated anything, it is that what once seemed more of a novelty, suddenly turned out to have endless potential in fields nobody had considered p... | 1,760,372,106.824832 | ||
https://hackaday.com/2023/11/12/leaky-smd-electrolytics-try-these-brute-force-removal-methods/ | Leaky SMD Electrolytics? Try These Brute Force Removal Methods | Dan Maloney | [
"Repair Hacks"
] | [
"brute force",
"capacitor",
"desoldering",
"destructive",
"electrolytic",
"recapping",
"smd"
] | When you say “recapping” it conjures up an image of a dusty old chassis with point-to-point wiring with a bunch of dried-out old capacitors or dodgy-looking electrolytics that need replacement. But time marches on, and we’re now at the point where recapping just might mean removing SMD electrolytics from a densely pack... | 25 | 14 | [
{
"comment_id": "6698253",
"author": "macsimski",
"timestamp": "2023-11-12T11:34:13",
"content": "hmm. seems that i cannot post comments from my phone since the new “update”, but. I stongly oppose his method. you should NEVER pull on the cap. just grab it with a pair of pliers and rotoate while PUSH... | 1,760,372,107.149208 | ||
https://hackaday.com/2023/11/13/hot-wheel-car-becomes-1-64-scale-micro-rc-car-complete-with-camera/ | Hot Wheel Car Becomes 1/64 Scale Micro RC Car, Complete With Camera | Donald Papp | [
"Microcontrollers",
"Toy Hacks"
] | [
"camera",
"car",
"ESP32",
"ESP32-CAM",
"FPV",
"hot wheels",
"micro",
"rc"
] | If you enjoy watching skilled assembly of small mechanical systems with electronics to match, then make some time to watch [Max Imagination]
transform a Hot Wheels car into a 1/64th scale RC car complete with video FPV video feed
. To say the project took careful planning and assembly would be an understatement, and th... | 20 | 10 | [
{
"comment_id": "6698576",
"author": "EGO111",
"timestamp": "2023-11-13T21:42:58",
"content": "Excellent idea.Excellent build.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6698587",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-... | 1,760,372,106.890671 | ||
https://hackaday.com/2023/11/13/vectorscope-kicad-redrawing-project/ | Vectorscope KiCad Redrawing Project | Chris Lott | [
"Hackaday Columns",
"Reverse Engineering",
"Slider"
] | [
"2023 Hackaday Supercon",
"KiCAD",
"PCB design",
"schematics",
"vectorscope"
] | When I saw this year’s Supercon Vectorscope badge, I decided that I had to build one for myself. Since I couldn’t attend in-person, I immediately got the PCBs and parts on order. Noting that the GitHub repository only had the KiCad PCB file and not the associated schematics and project file, I assumed this was because ... | 23 | 5 | [
{
"comment_id": "6698533",
"author": "mime",
"timestamp": "2023-11-13T19:51:40",
"content": "Nicely written article“visual net lists” – not sure exactly what the author means by that, but what I find incredibly irritating is schematics where netlabels are used in a similar way to ‘global variables’ ... | 1,760,372,106.773931 | ||
https://hackaday.com/2023/11/13/watch-time-roll-by-on-this-strange-spiral-clock/ | Watch Time Roll By On This Strange, Spiral Clock | Donald Papp | [
"Arduino Hacks",
"clock hacks"
] | [
"arduino",
"clock",
"laser cut",
"spiral",
"wood"
] | [Build Some Stuff] created
an unusual spiral clock
that’s almost entirely made from laser-cut wood, even the curved and bendy parts.
The living hinge is one thing, but getting the spacing, gearing, and numbers right also takes work.
The clock works by using a stepper motor and gear to rotate the clock’s face, which con... | 15 | 4 | [
{
"comment_id": "6698490",
"author": "J",
"timestamp": "2023-11-13T17:11:42",
"content": "That’s one of the most fun clocks I’ve ever seen.Just for the love of god get rid of those laser cutting burn marks… Laser cutters are a great fabrication tool, but most of the time the result can do with some ... | 1,760,372,106.952466 | ||
https://hackaday.com/2023/11/13/jawncon-0x0-a-strong-start-with-a-bright-future/ | JawnCon 0x0: A Strong Start With A Bright Future | Tom Nardi | [
"cons",
"Featured",
"Interest",
"Slider"
] | [
"hacker con",
"InfoSec",
"JawnCon",
"philadelphia"
] | Last month, I had the pleasure witnessing a birth. No, not of a child. What I’m talking about is something far rarer, though arguably, just as loud and danger fraught — the birth of a new hacker convention.
The very first
JawnCon took place on October 19th and 20th
at Arcadia University, just outside of Philadelphia. I... | 9 | 6 | [
{
"comment_id": "6698478",
"author": "jawnhenry",
"timestamp": "2023-11-13T16:44:38",
"content": "Fantastic!Best of luck to the organizers. I hope they realize that there’s a deep and abiding message in the longevity of this event being directly related to the amount of civility (and good cheer) the... | 1,760,372,107.08581 | ||
https://hackaday.com/2023/11/13/stream-vinyl-to-your-sonos-without-the-financial-penalty/ | Stream Vinyl To Your Sonos Without The Financial Penalty | Jenny List | [
"digital audio hacks",
"Raspberry Pi"
] | [
"audio",
"raspberry pi",
"streaming",
"vinyl"
] | One of the unexpected success stories in the world of hi-fi over the past decade has been the resurgence of the vinyl LP as a musical format. What was once old hat is now cool again, but for freshy minted vinyl fans there’s a snag. Hi-fi itself has moved on from the analogue into the digital, so what can be done if you... | 47 | 12 | [
{
"comment_id": "6698440",
"author": "H Hack",
"timestamp": "2023-11-13T13:46:09",
"content": "Call me crazy, but it feels like those old vinyls captured more than just the sound waves that were in the air at that moment.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,107.239727 | ||
https://hackaday.com/2023/11/13/general-instruments-video-game-chip-rides-again/ | General Instruments Video Game Chip Rides Again | Al Williams | [
"Games",
"Retrocomputing"
] | [
"AY-3-8500",
"general instruments",
"pong"
] | Early video games like Pong were not computer-controlled. They used discrete logic to generate the TV signals. As you might expect, the market exploded when you could get all the logic on a chip. Many of those games used the General Instrument AY-3-8500-1 chip, and [Jeff Tranter]
shows us the chip
and the many differen... | 17 | 9 | [
{
"comment_id": "6698410",
"author": "BT",
"timestamp": "2023-11-13T09:32:08",
"content": "It drove me mad back in the day that if the paddle was moving too fast the ball would go “through” it!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6698419",
... | 1,760,372,107.29674 | ||
https://hackaday.com/2023/11/12/a-small-packing-antenna-for-2-metre-portable-work/ | A Small-Packing Antenna For 2 Metre Portable Work | Jenny List | [
"Radio Hacks"
] | [
"2 metre",
"ham radio",
"portable antenna"
] | One of amateur radio’s many interests comes in portable operation, taking your radio to an out of the way place, usually a summit, and working the world using only what can be carried in. Often this means using the HF or shortwave bands, but the higher frequencies get a look-in as well. A smaller antenna is no less the... | 15 | 4 | [
{
"comment_id": "6698393",
"author": "Piotrsko",
"timestamp": "2023-11-13T07:29:32",
"content": "Yes any wire could be used, but knowing the propagation speed and thus the length gets tough",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6698398",
"au... | 1,760,372,107.351608 | ||
https://hackaday.com/2023/11/11/ham-radio-memes-in-the-1970s/ | Ham Radio Memes In The 1970s | Al Williams | [
"Radio Hacks"
] | [
"ham radio",
"SSTV"
] | If you have a fondness for old and unusual ham gear, [Saveitforparts] has a great video (see below) about a
Robot slow scan receiver
he found at a junk store. Slow scan or SSTV is a way to send pictures via low-bandwidth audio, such as you often find on the ham bands. The idea is you take a picture, send some squeaks ... | 12 | 6 | [
{
"comment_id": "6698235",
"author": "Taylor Hay",
"timestamp": "2023-11-12T08:11:01",
"content": "Sounds like my experience so far with Mastodon, cool new tech, but just a few of us hanging out sharing memes. It’s the way it always is I’m afraid.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,372,107.402196 | ||
https://hackaday.com/2023/11/11/the-ai-pin-a-smart-body-camera-that-wants-to-compete-with-smartphones/ | The AI Pin: A Smart Body Camera That Wants To Compete With Smartphones | Maya Posch | [
"News"
] | [
"mobile device",
"projector",
"smartphone"
] | Seeking to shake up the smartphone market, Humane
introduced its ‘AI Pin’
, which at first glance looks like someone put a very stylish body camera on their chest. There’s no display, only the 13 MP camera and some other optics visible above what turns out to be a touch panel, which is its main gesture-based input meth... | 21 | 12 | [
{
"comment_id": "6698220",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-11-12T04:10:13",
"content": "Something to incorporate into a LEO badge.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6698227",
"author": "CRJEEA",
"timesta... | 1,760,372,107.465412 | ||
https://hackaday.com/2023/11/11/a-mysterious-6502-apple-2-simulator/ | A Mysterious 6502 Apple 2 Simulator | Julian Scheffers | [
"Retrocomputing"
] | [
"6502",
"Apple 2",
"emulation"
] | Nice, visual simulators of CPUs such as the 6502 are usually made much later and with more modern tooling than what they simulate. But what if that wasn’t the case? What if a simulator runs on the very hardware it’s simulating?
This is what [Tea Leaves]
stumbled upon
when he found a mysterious disk with only “APL6502.S... | 14 | 9 | [
{
"comment_id": "6698204",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-11-12T00:49:22",
"content": "I live in Minnesnowta, and had not heard of the MECC.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6698215",
"author": "arge... | 1,760,372,107.516872 | ||
https://hackaday.com/2023/11/11/neopixels-try-liquid-nitrogen-to-color-shift-your-leds-instead/ | Neopixels? Try Liquid Nitrogen To Color Shift Your LEDs Instead | Dan Maloney | [
"LED Hacks"
] | [
"band gap",
"conduction",
"cryogenic",
"electrons",
"led",
"liquid nitrogen",
"photon",
"quantum",
"valence"
] | If you’re like us, you’ve never spent a second thinking about what happens when you dunk an ordinary LED into liquid nitrogen. That’s too bad because as it turns out,
the results are pretty interesting
and actually give us a little bit of a look at the quantum world.
The LED fun that [Sebastian] over at Baltic Lab demo... | 23 | 8 | [
{
"comment_id": "6698167",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-11-11T21:46:06",
"content": "Decades ago I read an article (by Lancaster? Mims?) Where they dunked red LEDs in LN2. They had poured the LN2 into a foam cup. The brightness of the LED increased dramatica... | 1,760,372,107.574875 | ||
https://hackaday.com/2023/11/11/pimp-the-potentiometer/ | Pimp The Potentiometer | Al Williams | [
"LED Hacks"
] | [
"knob",
"ring light"
] | Sometimes, a hack isn’t really about the technology but about the logistics. If we asked you to light up an LED using an Arduino, there’s a good chance you’d know exactly how to do that. How about a bunch of LEDs? Simple. Now turn on LEDs proportional to an input voltage. A little harder, but nothing that you probably ... | 23 | 10 | [
{
"comment_id": "6698136",
"author": "Lee Hart",
"timestamp": "2023-11-11T18:11:48",
"content": "It looks really nice! But there’s an easier way to do it. 40-50 years ago, I had a stereo amp that did it. The knob had a clear plastic skirt, painted black on the back but with a varying-width slot in i... | 1,760,372,107.82592 | ||
https://hackaday.com/2023/11/11/supercon-and-soylent-green/ | Supercon And Soylent Green | Elliot Williams | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2023 Hackaday Supercon",
"2023 Hackaday Superconference",
"newsletter"
] | The 2023 Hackaday Supercon is all done and dusted, and we’re still catching up on our sleep. I couldn’t ask
everyone
, but a great time was had by everyone I talked to. It’s honestly a very special crowd that shows up in Pasadena every November, and it’s really the attendees who make it what it is. We just provide the ... | 10 | 3 | [
{
"comment_id": "6698121",
"author": "make piece not war",
"timestamp": "2023-11-11T15:34:09",
"content": "I’m on the other side of the nordic hemisphere with no chance in the near future to participate directly to the Supercon. Will it be difficult to create a virtual realtime presence to the next ... | 1,760,372,107.951349 | ||
https://hackaday.com/2023/11/11/nvidia-trains-custom-ai-to-assist-chip-designers/ | NVIDIA Trains Custom AI To Assist Chip Designers | Donald Papp | [
"Artificial Intelligence",
"Software Hacks"
] | [
"AI assistant",
"ChipNeMo",
"eda",
"LLM",
"NVIDIA"
] | AI is big news lately, but as with all new technology moves, it’s important to pierce through the hype. Recent news about NVIDIA creating a custom large language model (LLM) called ChipNeMo to assist in chip design is tailor-made for breathless hyperbole, so it’s refreshing to read
exactly how such a thing is genuinely... | 16 | 5 | [
{
"comment_id": "6698097",
"author": "PinheadBE",
"timestamp": "2023-11-11T12:58:50",
"content": "Can it design a 555 ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6698358",
"author": "A Curious Dog",
"timestamp": "2023-11-12T23:58:12",
... | 1,760,372,107.765392 | ||
https://hackaday.com/2023/11/11/roll-your-own-python-debugger/ | Roll Your Own Python Debugger | Al Williams | [
"Software Development"
] | [
"debugger",
"python"
] | Debugging might be the one thing that separates “modern” programming from “classic” programming. If you are on an old enough computer — or maybe one that has limited tools like some microcontrollers — debugging is largely an intellectual exercise. Try a program, observe its behavior, and then try again. You can liberal... | 10 | 5 | [
{
"comment_id": "6698100",
"author": "Jürgen Key",
"timestamp": "2023-11-11T13:14:56",
"content": "Funnily enough – I did something very similar to a different scripting language a while ago: Beanshell is a scripting dialect for java with the drawback of not being debuggable – well, until I came alo... | 1,760,372,108.04817 | ||
https://hackaday.com/2023/11/10/putting-3d-printed-screw-threads-to-the-test/ | Putting 3D Printed Screw Threads To The Test | Maya Posch | [
"3d Printer hacks"
] | [
"FDM",
"screw thread"
] | One of the challenges with 3D printing is seeing how far designs can be pushed before they break. This includes aspects like flexible hinges and structural components, but also smaller details such as screw threads. Often metal inserts with threads are added to FDM 3D prints by melting them into the plastic, but might ... | 28 | 9 | [
{
"comment_id": "6698054",
"author": "easy",
"timestamp": "2023-11-11T08:23:39",
"content": "Not going to click the video. Any chance we can get a recap of the results?Did he try printing holes and let the screw self tap the threads because that’s what I found works best?",
"parent_id": null,
... | 1,760,372,108.181017 | ||
https://hackaday.com/2023/11/10/radioactive-water-was-once-a-horrifying-health-fad/ | Radioactive Water Was Once A (Horrifying) Health Fad | Donald Papp | [
"chemistry hacks",
"Science"
] | [
"1920s",
"1930s",
"Curie",
"medicine",
"quackery",
"radiation",
"radioactivity",
"radithor",
"radium",
"radium water",
"snake oil"
] | Take a little time to watch
the history of Radithor
, a presentation by [Adam Blumenberg] into a quack medicine that was exactly what it said on the label: distilled water containing around 2 micrograms of radium in each bottle (yes, that’s a lot.) It’s fascinatingly well-researched, and goes into the technology and so... | 25 | 11 | [
{
"comment_id": "6698025",
"author": "Rick Bowles",
"timestamp": "2023-11-11T03:30:46",
"content": "Fascinating article",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6698028",
"author": "DerAxeman",
"timestamp": "2023-11-11T04:32:15",
"content": "... | 1,760,372,108.11415 | ||
https://hackaday.com/2023/11/10/wind-tunnel-uses-the-last-straw/ | Wind Tunnel Uses The Last Straw | Al Williams | [
"Science"
] | [
"laminar flow",
"wind tunnel"
] | If you watch the movies, there isn’t much to a wind tunnel. Just a fan and a tunnel, right? The truth is there’s a lot more to it than that, and [ejs13] shows you how you can
make a small tunnel
with some basic supplies. One of the requirements for a useful tunnel is to have laminar flow — that is, flow in uniform laye... | 14 | 9 | [
{
"comment_id": "6698015",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-11-11T01:48:31",
"content": "I think that wing is stalling.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6698013",
"author": "Patrick Ingle",
"timestamp": ... | 1,760,372,107.999315 | ||
https://hackaday.com/2023/11/10/solder-two-boards-at-once-with-this-dual-reflow-plate/ | Solder Two Boards At Once With This Dual Reflow Plate | Dan Maloney | [
"Tool Hacks"
] | [
"heating element",
"pid",
"PTC",
"reflow",
"smd",
"solder",
"solder paste",
"thermistor"
] | Homebrew reflow projects generally follow a pretty simple formula: find a thrift shop toaster oven or hot plate, add a microcontroller and a means to turn the heating element on and off, and close the loop with a thermistor. Add a little code and you’re melting solder paste. Sometimes, though, a ground-up design works ... | 4 | 2 | [
{
"comment_id": "6698004",
"author": "LookAtDaShinyShiny",
"timestamp": "2023-11-11T00:11:56",
"content": "That looks like a really neat build and comes in at a nice price too.If you want the PTC heater plate from amazon US, it’s there, under a different brand name, searching using the product title... | 1,760,372,108.305886 | ||
https://hackaday.com/2023/11/10/openmv-promises-flyby-imaging-of-components-for-pick-and-place-project/ | OpenMV Promises “Flyby” Imaging Of Components For Pick And Place Project | Donald Papp | [
"digital cameras hacks",
"Video Hacks"
] | [
"camera",
"global shutter",
"OpenMV",
"pick and place"
] | [iforce2d] has an interesting video exploring
whether the OpenMV H7 board is viable as a flyby camera for pick and place
, able to quickly snap a shot of a moving part instead of requiring the part to be held still in front of the camera. The answer seems to be yes!
The OpenMV camera module does capture, blob detection... | 8 | 5 | [
{
"comment_id": "6697935",
"author": "Jose Rodriguez",
"timestamp": "2023-11-10T19:50:55",
"content": "They are sold out.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6697946",
"author": "irox",
"timestamp": "2023-11-10T20:33:41",
"... | 1,760,372,108.355278 | ||
https://hackaday.com/2023/11/10/hands-on-with-boondock-echo/ | Hands On With Boondock Echo | Dan Maloney | [
"Hackaday Columns",
"Radio Hacks",
"Reviews"
] | [
"amateur radio",
"Audio Kit",
"baofeng",
"codec",
"ESP32",
"ham",
"public safety",
"repeater",
"scanner",
"store-and-forward"
] | Perhaps no words fill me with more dread than, “I hear there’s something going around.” In my experience, you hear this when some nasty bug has worked its way into the community and people start getting whatever it is. I’m always on my guard when I hear about something like this, especially when it’s something really u... | 23 | 9 | [
{
"comment_id": "6697912",
"author": "Mark J Hughes",
"timestamp": "2023-11-10T18:29:10",
"content": "Thanks for a wonderful article Dan! KC, Jesse, Suraj, Nandini and I really appreciate it! Hey — would it be okay if we ask the hackaday crowd to sign up athttps://www.crowdsupply.com/boondock-tech... | 1,760,372,108.420332 | ||
https://hackaday.com/2023/11/10/hackaday-podcast-243-supercon-super-printing-and-super-gyros/ | Hackaday Podcast 243: Supercon, Super Printing, And Super Gyros | Al Williams | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | With solder fumes from Supercon still in the air, Hackaday’s Elliot Williams and Al Williams met to compare notes about the conference talks, badge hacking, and more. Tom Nardi dropped by, too.
Did you miss Supercon? It isn’t quite the whole experience, but most of the talks are on our YouTube channel, with more coming... | 0 | 0 | [] | 1,760,372,108.473873 | ||
https://hackaday.com/2023/11/10/synthesizing-360-degree-views-from-single-source-images/ | Synthesizing 360-degree Views From Single Source Images | Donald Papp | [
"Machine Learning",
"Software Hacks"
] | [
"360 view",
"3d model",
"nerf",
"neural radiance fields",
"still image"
] | ZeroNVS
is one of those research projects that is rather more impressive than it may look at first glance. On one hand, the 3D reconstructions — we urge you to click that first link to see them — look a bit grainy and imperfect. But on the other hand, it was reconstructed using a
single
still image as an input.
Most re... | 17 | 12 | [
{
"comment_id": "6697867",
"author": "spiritplumber",
"timestamp": "2023-11-10T16:40:55",
"content": "Awesome, looks like the braindance scenes from CP2077",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6697940",
"author": "adobeflashhater again",
... | 1,760,372,108.532625 | ||
https://hackaday.com/2023/11/10/this-week-in-security-find-my-keylogger-zephyr-and-active-exploitation/ | This Week In Security: Find My Keylogger, Zephyr, And Active Exploitation | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"airtags",
"Find My",
"Looney Toonables",
"n-day"
] | Keyloggers. Such a simple concept — you secretly record all the characters typed on a keyboard, and sort through it later for interesting data. That keyboard sniffer could be done in software, but a really sneaky approach is to implement the keylogger in hardware. Hardware keyloggers present a unique problem. How do yo... | 7 | 3 | [
{
"comment_id": "6697849",
"author": "Mike",
"timestamp": "2023-11-10T15:52:47",
"content": "> Attacks started in mass Saturday night,That would be ‘en masse’:https://www.merriam-webster.com/dictionary/en%20masse",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,372,108.577555 | ||
https://hackaday.com/2023/11/10/cheap-power-supplies-with-fake-chips-might-not-be-that-bad/ | Cheap Power Supplies With Fake Chips Might Not Be That Bad | Dan Maloney | [
"Parts"
] | [
"buck converter",
"counterfeit",
"dc-dc",
"fake",
"lm2596",
"ripple"
] | We all know the old maxim: if it’s too good to be true, it’s probably made with fake components. OK, maybe that’s not exactly how it goes, but in our world gone a little crazy, there’s good reason to be skeptical of pretty much everything you buy. And when you pay the equivalent of
less than a buck for a DC-DC converte... | 33 | 16 | [
{
"comment_id": "6697779",
"author": "Cyna",
"timestamp": "2023-11-10T12:10:24",
"content": "Yes, they are (in general). Period. Buy from a reputable source.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6697785",
"author": "jbo",
"timestamp": "2023-1... | 1,760,372,108.653369 |
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