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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2022/12/08/audio-amp-puts-vfds-to-work-in-an-unusual-way/ | Audio Amp Puts VFDs To Work In An Unusual Way | Dan Maloney | [
"classic hacks",
"Parts"
] | [
"3D printed enclosure",
"vacuum fluorescent display",
"vfd"
] | It’s safe to say that most projects that feature a VFD emphasize the “D” aspect more than anything. Vacuum fluorescent displays are solid performers, after all, with their cool blue-green glow that’s just the right look for lots of retro and not-so-retro builds. But that doesn’t mean there aren’t applications that leve... | 14 | 5 | [
{
"comment_id": "6544544",
"author": "Brad",
"timestamp": "2022-12-08T17:05:12",
"content": "Took me a minute. I was seriously amazed someone had managed to create an amp with a Variable Frequency Drive…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6544609... | 1,760,372,472.14435 | ||
https://hackaday.com/2022/12/08/an-affordable-and-programmable-plc/ | An Affordable And Programmable PLC | Jenny List | [
"Arduino Hacks"
] | [
"Arduino IDE",
"plc",
"STM32F103"
] | We’re all used to general purpose microcontroller boards such as the Arduino or its many imitators, but perhaps we don’t see as much of their industrial cousins. A programmable logic controller (PLC) is a computer designed to automate industrial machinery, and comes with protected interfaces and usually a specific PLC ... | 74 | 18 | [
{
"comment_id": "6544418",
"author": "RKG-9",
"timestamp": "2022-12-08T09:45:03",
"content": "For last 12 years I’ve worked with Siemens PLCs, starting from S7-300. Calling this Chinese toy a PLC is like serving freshly baked pepperoni pizza on a toilet seat stolen from pubic lavatory. It might work... | 1,760,372,472.33287 | ||
https://hackaday.com/2022/12/09/turning-a-toy-gamepad-into-a-real-one-with-bluetooth/ | Turning A Toy Gamepad Into A Real One, With Bluetooth | Robin Kearey | [
"Games",
"Peripherals Hacks"
] | [
"bluetooth gamepad",
"fisher-price",
"game controller"
] | It’s important to instill healthy habits in your children when they’re still young. Preferences for sports, snacks and dinosaurs are typically formed in early childhood, as is loyalty to a specific gaming platform. [RetrogradeScene] apparently wished to steer his young daughter towards the Nintendo camp, but wasn’t loo... | 3 | 3 | [
{
"comment_id": "6545701",
"author": "RunnerPack",
"timestamp": "2022-12-09T17:31:36",
"content": "That was the first thing I thought of when I saw the exact same toy 😆Bookmarking this for when my older brother’s kids outgrow it 😉",
"parent_id": null,
"depth": 1,
"replies": []
},
{... | 1,760,372,472.375281 | ||
https://hackaday.com/2022/12/09/this-week-in-security-rackspace-falls-over-poison-ping-and-the-wordpress-race/ | This Week In Security: Rackspace Falls Over, Poison Ping, And The WordPress Race | Jonathan Bennett | [
"Hackaday Columns",
"lockpicking hacks",
"News",
"Security Hacks"
] | [
"botnet",
"ping",
"ransomware",
"This Week in Security",
"wordpress"
] | In what’s being described as a Humpty-Dumpty incident, Rackspace customers have
lost access to their hosted Exchange service
, and by extension, lots of archived emails. The
first official word of trouble came on December 2nd
, and it quickly became clear that this was more than the typical intern-tripped-over-the-cabl... | 17 | 9 | [
{
"comment_id": "6545715",
"author": "zoobab",
"timestamp": "2022-12-09T17:47:01",
"content": "Hospitals using Windows, and ransomwared, surprise!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6546032",
"author": "𐂀 𐂅",
"timestamp": "2022-... | 1,760,372,472.090746 | ||
https://hackaday.com/2022/12/09/nostalgic-30-in-one-electronics-badge-for-def-con-30/ | Nostalgic 30-in-ONE Electronics Badge For DEF CON 30 | Joseph Long | [
"cons",
"hardware"
] | [
"badgelife",
"educational toy",
"radio shack"
] | [hamster] and the DC Zia crew offered up a throwback
30-in-ONE Learn Electronics
indie badge for DEF CON 30. The badge is inspired by the Radio Shack “100-in-1” style project kits that so many of us cut our teeth on back in the 70s and 80s.
DC Zia
is a hacker group loosely associated with New Mexico who have been worki... | 12 | 6 | [
{
"comment_id": "6545406",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-09T12:17:03",
"content": "At max volume the soundtrack of the video was weak. It was a good thing the house was quiet when I played it.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,372,472.030832 | ||
https://hackaday.com/2022/12/09/theres-nothing-square-about-this-rectangular-guitar/ | There’s Nothing Square About This Rectangular Guitar | Kristina Panos | [
"Musical Hacks"
] | [
"guitar",
"humbucker",
"les paul",
"square"
] | We kind of already knew this, but it seems that [Uri Tuchman] really can build absolutely anything. This fall, he was asked to compete in the Great Guitar Build-Off competition, which involves a fully-customizable kit guitar sent to each entrant as a starting point. In order to allow for maximum creativity, the wooden ... | 16 | 10 | [
{
"comment_id": "6545308",
"author": "Howard Davies",
"timestamp": "2022-12-09T10:16:48",
"content": "Uri is fun, more art than science, but shows off some impressive skill in using his tools. Well worth a follow.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": ... | 1,760,372,472.556761 | ||
https://hackaday.com/2022/12/08/pi-pico-qr-display-hands-out-wifi-info-with-style/ | Pi Pico QR Display Hands Out WiFi Info With Style | Tom Nardi | [
"Microcontrollers"
] | [
"micropython",
"network security",
"qr code",
"WiFi network"
] | At this point, you’re likely aware that you can store your wireless network’s credentials in a QR code, so that anyone who wants to connect with their smartphone need only scan the 2D barcode. Whether you print it out on paper, extrude it out of plastic, or paint the thing on the wall, it still works the same. It’s a n... | 3 | 1 | [
{
"comment_id": "6545282",
"author": "K",
"timestamp": "2022-12-09T09:43:11",
"content": "It doesn’t “set up a new encrypted guest WiFi network” it changes the password each time on the existing wireless network profile – this sadly means that each time a new QR code is generated it would invalidate... | 1,760,372,471.981349 | ||
https://hackaday.com/2022/12/08/power-over-ethernet-explained/ | Power Over Ethernet, Explained | Jenny List | [
"hardware"
] | [
"ethernet",
"PoE",
"power"
] | Most readers will be familiar with Ethernet networks in some form, in particular the Cat5 cables which may snake around the back of our benches. In a similar vein, we’ll have used power over Ethernet, or PoE, to power devices such as webcams. Buy a PoE router or switch, plug in a cable, and away you go! But what lies b... | 42 | 10 | [
{
"comment_id": "6545006",
"author": "TG",
"timestamp": "2022-12-09T04:10:53",
"content": "Ah the magic of the center tap",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6545059",
"author": "Ostracus",
"timestamp": "2022-12-09T05:12:35",
... | 1,760,372,472.224448 | ||
https://hackaday.com/2022/12/08/osprey-keyboard-lets-the-nrf52840-spread-its-wings/ | Osprey Keyboard Lets The NRF52840 Spread Its Wings | Kristina Panos | [
"Peripherals Hacks"
] | [
"column stagger",
"ergonomic",
"ergonomic keyboard",
"keyboard",
"nRF52840",
"ortholinear",
"ZMK"
] | While most people don’t care whether they use one finger or ten, some people want to better themselves by learning how to touch-type. And honestly, there’s no easier way to do that than by getting into the ergo keyboard game. Even if you consider yourself a touch-typist already, an ortholinear or column-staggered keybo... | 14 | 3 | [
{
"comment_id": "6544836",
"author": "sudobash1",
"timestamp": "2022-12-09T00:25:07",
"content": "I am a touch-typist. I’ve been using a keyboard with no keycap labels for years, so I’ve really had to be. (Even now if I stop to think about it, I have a hard time pressing the correct symbol) It’s a s... | 1,760,372,472.61097 | ||
https://hackaday.com/2022/12/07/a-wheatstone-bridge-matches-your-pots/ | A Wheatstone Bridge Matches Your Pots | Jenny List | [
"classic hacks"
] | [
"measurement",
"potentiometer",
"wheatstone bridge"
] | Sometimes the simplest hacks can be the most useful or ingenious, and such is the case with [Keri Szafir]’s
method of ensuring that potentiometers used in audio devices are matched
. If you consider a typical stereo amplifier for a moment, you’ll see two amplifiers in one box with a single volume control. Two channels,... | 15 | 4 | [
{
"comment_id": "6544433",
"author": "Gérald",
"timestamp": "2022-12-08T11:00:12",
"content": "Probably a stupid question but: “A meter between the two wipers would detect any current due to a mismatch”. But with a stereo source, Left/Right signals are obviously most of the time different, so won’t ... | 1,760,372,472.50897 | ||
https://hackaday.com/2022/12/07/recreating-the-sounds-of-the-90s-with-a-ym3812-synthesizer/ | Recreating The Sounds Of The ’90s With A YM3812 Synthesizer | Robin Kearey | [
"Musical Hacks"
] | [
"eurorack synth",
"fm synthesis",
"OPL2",
"YM3812"
] | One reason the x86 PC became the dominant game platform in the early 1990s was the availability of affordable sound cards like the AdLib and Sound Blaster. These provided a quantum leap in sound quality compared to the PC speaker’s tinny beeps, thanks to Yamaha’s YM3812 chip, also known as OPL2. [Tyler] has made a deta... | 9 | 5 | [
{
"comment_id": "6544356",
"author": "Mog",
"timestamp": "2022-12-08T05:03:56",
"content": "The YM3812 and YM2612 were venerable chips. I think it’s often overlooked just how extensive Yamaha’s lineup in terms of audio chips during the 80’s and 90’s were, and how they contributed not only to the sou... | 1,760,372,472.663184 | ||
https://hackaday.com/2022/12/07/a-tiny-risc-v-emulator-runs-linux-with-no-mmu-and-yes-it-runs-doom/ | A Tiny RISC-V Emulator Runs Linux With No MMU. And Yes, It RunsDOOM! | Jenny List | [
"Linux Hacks",
"Software Hacks"
] | [
"does it run doom",
"linux",
"MMU",
"RISCV"
] | It’s something of an article of faith, that to run Linux your computer must include a hardware memory management unit, or MMU. To an extent it’s true, in that for a Linux-based system to shine it must have that hardware, but in fact there has been support for MMU-less Linux for many years now. Prolific hacker [cnlohr] ... | 28 | 8 | [
{
"comment_id": "6544307",
"author": "niosghe",
"timestamp": "2022-12-08T00:52:49",
"content": "I get really angry when people confuse MMU with virtual memory. Sometimes I want to take my Makita and SDS through my monitor in rage when I see stupidity.",
"parent_id": null,
"depth": 1,
"re... | 1,760,372,472.734709 | ||
https://hackaday.com/2022/12/07/transparent-metal-hydroxide-without-mr-scott/ | Transparent Metal (Hydroxide) Without Mr. Scott | Al Williams | [
"Science"
] | [
"sodium",
"transparent metal"
] | There’s a famous scene in one of the Star Trek movies where Scotty, who has traveled to the past, teaches a metal company to create the transparent aluminum he needs to bring some whales back to the future. But [The Action Lab] shows that we already have
see-through metal
, just not aluminum. You can see a video about ... | 24 | 9 | [
{
"comment_id": "6544230",
"author": "TG",
"timestamp": "2022-12-07T21:19:07",
"content": "Call me when they have one that dents instead of breaks when you hit it with a hammer. The mylar stuff doesn’t count",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "654... | 1,760,372,472.800408 | ||
https://hackaday.com/2022/12/07/microscopic-metal-3d-printing-with-gels/ | Microscopic Metal 3D Printing With Gels | Al Williams | [
"3d Printer hacks"
] | [
"caltech",
"metal 3d printing",
"whitepaper"
] | Everyone wants to 3D print with metals, but it is a difficult task. You need high temperatures and metals with high thermal conductivity make the problem even worse. Researchers at Caltech have a way of
printing tiny metal structures
. The trick? They don’t print metals at all. Instead, they 3D print a hydrogel and the... | 3 | 2 | [
{
"comment_id": "6544200",
"author": "Also accurate shrinkage despite parts differing dramatically each time?",
"timestamp": "2022-12-07T19:57:23",
"content": "Good method for no warpage too, right?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6544212",
... | 1,760,372,473.465509 | ||
https://hackaday.com/2022/12/07/love-ai-but-dont-love-it-too-much/ | Love AI, But Don’t Love It Too Much | Jenny List | [
"Artificial Intelligence",
"Hackaday Columns",
"Rants",
"Slider"
] | [
"ai",
"artificial intelligence",
"computational linguistics",
"search engine",
"text analysis"
] | The up-and-coming Wonder of the World in software and information circles , and particularly in those circles who talk about them, is AI. Give a magic machine a lot of stuff, ask it a question, and it will give you a meaningful and useful answer. It will create art, write books, compose music, and generally Change The... | 51 | 19 | [
{
"comment_id": "6544154",
"author": "Sikri",
"timestamp": "2022-12-07T18:11:00",
"content": "Thank the ai overloards for that!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6544160",
"author": "Ostracus",
"timestamp": "2022-12-07T18:18:40",
"cont... | 1,760,372,473.812446 | ||
https://hackaday.com/2022/12/07/the-10-kinds-of-programmers-that-use-calcutron-33/ | The 10 Kinds Of Programmers That Use Calcutron-33 | Al Williams | [
"computer hacks"
] | [
"cpu",
"decimal",
"risc"
] | It is interesting how, if you observe long enough, things tend to be cyclical. Back in the old days, some computers didn’t use binary, they used decimal. This was especially true of made up educational computers like TUTAC or CARDIAC, but there was real decimal hardware out there, too. Then everyone decided that binary... | 18 | 7 | [
{
"comment_id": "6544137",
"author": "kd9kck",
"timestamp": "2022-12-07T17:00:59",
"content": "The link to the Donald Knuth related page is broken. As extra stuff added at the end.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6544145",
"author": "John Be... | 1,760,372,473.170318 | ||
https://hackaday.com/2022/12/07/review-inkplate-2-shrinks-down-adds-color/ | Review: Inkplate 2 Shrinks Down, Adds Color | Tom Nardi | [
"Featured",
"Interest",
"Microcontrollers",
"Reviews",
"Slider"
] | [
"e-ink",
"e-paper",
"ESP32",
"Inkplate"
] | Regular Hackaday readers may recall the Inkplate family of devices: open source all-in-one development boards that combine the power and versatility of the ESP32 with electronic paper displays salvaged from commercial e-readers. By taking the sharp, high-speed, displays intended for readers such as Amazon’s Kindle and ... | 9 | 4 | [
{
"comment_id": "6544171",
"author": "Joshua",
"timestamp": "2022-12-07T18:41:33",
"content": "Beautiful board! I’d love to get ahold of a handful of these to integrate into my home assistant installation as a display for temp, relative humidity, etc, etc.Nice work!",
"parent_id": null,
"dep... | 1,760,372,473.512985 | ||
https://hackaday.com/2022/12/07/in-my-neighborhood-we-played-asteroids-with-real-asteroids/ | In My Neighborhood, We PlayedAsteroids…with Real Asteroids | Al Williams | [
"Science",
"Space"
] | [
"asteroid",
"ele"
] | There was a comedian in the 1980s who always said he grew up in a tough neighborhood. He claimed they played cops and robbers with real cops. They played gin rummy with real gin. Well, maybe if he knew about [Neal Agarwal]’s
asteroid launcher simulation website
, he would have said they played asteroids with real aster... | 12 | 7 | [
{
"comment_id": "6544054",
"author": "Dave",
"timestamp": "2022-12-07T13:29:16",
"content": "Excellent!Here’s the equivalent with nuclear weapons:https://nuclearsecrecy.com/nukemap/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6544096",
"author": "damien... | 1,760,372,473.269407 | ||
https://hackaday.com/2022/12/07/merry-christmas-rip-and-tear/ | Merry Christmas! Rip And Tear! | Al Williams | [
"Games",
"Microcontrollers"
] | [
"christmas ornament",
"doom",
"ESP32"
] | If you want a little mayhem on your Christmas tree, you can check out [Sprite_tm]’s
tiny PC Christmas ornament
. With 3D printing, that isn’t such a tall order, but [Sprite]’s does have a unique ability: it plays
DOOM
, as you can see in the video below.
The device uses an ESP32, and while [Sprite] had ported the iconi... | 6 | 5 | [
{
"comment_id": "6543995",
"author": "sweethack",
"timestamp": "2022-12-07T09:51:18",
"content": "Amazing! Even more that the original IBM PC couldn’t even play Doom at all…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6544457",
"author": "Joshua",... | 1,760,372,473.214372 | ||
https://hackaday.com/2022/12/06/restarting-the-grid-when-the-grid-is-off-the-grid/ | Restarting The Grid When The Grid Is Off The Grid | Ryan Flowers | [
"High Voltage"
] | [
"alternator",
"exciter",
"grid simulator",
"induction motor",
"oscilloscope",
"power grid",
"substation"
] | If you watch YouTube long enough, it seems like going “off the grid” is all the rage these days. But what if the thing that goes off the grid is
the grid itself
? In the
video below the break
, [Grady] with
Practical Engineering
explores the question: How do you restart an entire power grid after it’s gone offline? It’... | 33 | 15 | [
{
"comment_id": "6543906",
"author": "mythoughts62",
"timestamp": "2022-12-07T06:08:17",
"content": "In the video, he shows an animation of a synchroscope used to synchronize alternators. To see a real synchroscope in action, check out DiodeGoneWild’s video on them:https://www.youtube.com/watch?v=SJ... | 1,760,372,473.426855 | ||
https://hackaday.com/2022/12/06/psa-watch-out-for-white-filament/ | PSA: Watch Out For White Filament | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"colorant",
"titanium dioxide"
] | We all know that using 3D printing filament with exotic filament that has metal or carbon fibers in it will tend to wear standard nozzles. That’s why many people who work with filaments like that use something other than conventional brass nozzles like hardened steel. There are even nozzles that have a ruby or diamond ... | 48 | 19 | [
{
"comment_id": "6543872",
"author": "RW ver 0.0.1",
"timestamp": "2022-12-07T04:49:29",
"content": "If there were some iron oxides in reds, that would be something I would suspect. It’s harder than brass anyway.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,372,473.354909 | ||
https://hackaday.com/2022/12/06/how-on-frequency-are-those-cheap-radar-modules/ | How On-Frequency Are Those Cheap Radar Modules? | Jenny List | [
"Radio Hacks"
] | [
"Doppler",
"microwve",
"radar"
] | If you’re partial to browsing AliExpress, Banggood, or eBay for unusual hardware, you may have seen the HB100 Doppler Radar modules. These are a PCB with a metal can on board, and their reverse side has a patch antenna array. They work on a frequency of 10.525 GHz, and [OH2FTG]
has characterized a few of them to see ho... | 8 | 2 | [
{
"comment_id": "6543834",
"author": "Alex99a",
"timestamp": "2022-12-07T01:24:14",
"content": "Somebody at the Dayton Hamvention used to sell something similar along with a simple circuit to turn the thing on. The idea was that you would use it out on the interstate to spook people’s radar detector... | 1,760,372,473.560269 | ||
https://hackaday.com/2022/12/06/the-worlds-brightest-laser-pointer/ | The World’s Brightest Laser Pointer? | Al Williams | [
"Laser Hacks"
] | [
"laser",
"laser array",
"laser pointer"
] | The videos from [styropyro] are always amusing and informative. However, ironically for him, he is alarmed that many green laser pointers are more powerful than they are supposed to be. Sure, you often want a powerful laser, but if you think a laser is safe and it isn’t, you could… well… put an eye out. See the video b... | 37 | 13 | [
{
"comment_id": "6543766",
"author": "Ken de AC3DH",
"timestamp": "2022-12-06T21:30:08",
"content": "Just in time for Christmas… You’ll shot your eye out!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6543771",
"author": "Ostracus",
"timestamp": "202... | 1,760,372,473.631346 | ||
https://hackaday.com/2022/12/06/silicone-slapping-servos-solve-simon-says/ | Silicone-Slapping Servos SolveSimon Says | Robin Kearey | [
"Games",
"Toy Hacks"
] | [
"motion sensor",
"robot hand",
"servo",
"simon"
] | Most modern computer games have a clearly-defined end, but many classics like
Pac-man
and
Duck Hunt
can go on indefinitely, limited only by technical constraints such as memory size. One would think that the classic electronic memory game
Simon
should fall into that category too, but with most humans struggling even to... | 7 | 3 | [
{
"comment_id": "6543738",
"author": "Daid",
"timestamp": "2022-12-06T20:06:19",
"content": "Funny to mention pac-man and duck hunt. As those both have “kill screens”, where the game becomes impossible to beat at a certain point. On duck hunt it is level 100, on pac-man it is level 256.",
"paren... | 1,760,372,473.859511 | ||
https://hackaday.com/2022/12/06/usb-c-introduction-for-hackers/ | All About USB-C: Introduction For Hackers | Arya Voronova | [
"Hackaday Columns",
"how-to",
"Slider",
"Tech Hacks"
] | [
"Type-C",
"USB C",
"USB Type-C",
"USB-C PD"
] | We’ve now had at least five years of USB-C ports in our devices. It’s a standard that many manufacturers and hackers can get behind. Initially, there was plenty of confusion about what we’d actually encounter out there, and manufacturer-induced aberrations have put some people off. However, USB-C is here to stay, and I... | 53 | 21 | [
{
"comment_id": "6543688",
"author": "darius",
"timestamp": "2022-12-06T18:06:34",
"content": "I am the first to comment.Does every USB-C support OTG ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6543795",
"author": "Vankata513",
"timestam... | 1,760,372,473.958695 | ||
https://hackaday.com/2022/12/06/rocket-mounted-3d-printed-camera-wheel-tries-succeeds-and-also-fails/ | Rocket Mounted 3D Printed Camera Wheel Tries, Succeeds, And Also Fails | Ryan Flowers | [
"digital cameras hacks"
] | [
"bps.space",
"camera",
"despin",
"high power rocket",
"karman line",
"reaction wheel",
"rocket"
] | [Joe] at
BPS.space
has a thing for rockets, and his latest quest is to build a rocket that will cross the Kármán Line and launch into the Final Frontier. And being the owner of a YouTube channel, he wants to have excellent on-board video that he can share. The trouble? Spinning. A spinning rocket is a stable rocket, es... | 29 | 11 | [
{
"comment_id": "6543662",
"author": "Cap",
"timestamp": "2022-12-06T17:08:26",
"content": "This Guy is too brutal on himself.. I’d be way thrilled with what he did.. Even if it was not ‘Picture Perfect’..Any Launch you can get the pieces back from is a Good Flight!.. His was perfect!",
"pare... | 1,760,372,474.027042 | ||
https://hackaday.com/2022/12/06/gift-idea-from-1969-a-kitchen-computer/ | Gift Idea From 1969: A Kitchen Computer | Al Williams | [
"Featured",
"History",
"Original Art",
"Retrocomputing",
"Slider"
] | [
"Honeywell",
"kitchen computer",
"personal computer",
"recipe",
"yesterday's future today"
] | The end of the year is often a time for people to exchange presents and — of course — the rich want to buy each other the best presents. The Neiman Marcus company was famous for having a catalog of gift ideas. Many were what you’d consider normal gifts, but there were usually extreme ones, like a tank trunk filled with... | 51 | 17 | [
{
"comment_id": "6543621",
"author": "mathman",
"timestamp": "2022-12-06T15:12:56",
"content": "Selling Chinese junk for Christmas…Oh well, some things never change ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6543625",
"author": "Mike",
... | 1,760,372,474.235219 | ||
https://hackaday.com/2022/12/06/clever-design-technique-makes-flexible-pcb-fit-for-a-queen/ | Clever Design Technique Makes Flexible PCB Fit For A Queen | Robin Kearey | [
"Tech Hacks",
"Wearable Hacks"
] | [
"flexible PCB",
"flexures",
"PCB milling"
] | Printed circuit boards can be square, round, octagonal, or whatever shape you desire. But there’s little choice when it comes to the third dimension: most PCBs are flat and rigid. Sure, you can make flexible PCBs like the kapton-backed ones you find inside electronic gadgets, but those are complicated to work with. As ... | 11 | 3 | [
{
"comment_id": "6543572",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-06T12:29:43",
"content": "“with pin headers to clamp it down on the wearer’s hair.”Well, that rules me out!B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "65... | 1,760,372,474.285812 | ||
https://hackaday.com/2022/12/06/homebrew-3d-printer-goop-promises-better-bed-adhesion/ | Homebrew 3D Printer Goop Promises Better Bed Adhesion | Al Williams | [
"3d Printer hacks",
"chemistry hacks"
] | [
"bed adhesion",
"isopropyl alcohol",
"PVA"
] | Back when 3D printers were pretty new, most of us had glass beds with or without painter’s tape. To make plastic stick, you’d either use a glue stick or hair spray. Many people have moved on to various other build surfaces that don’t require help, but some people still use something to make the bed sticky and there are... | 43 | 18 | [
{
"comment_id": "6543560",
"author": "Gello",
"timestamp": "2022-12-06T11:36:30",
"content": "Too complex. Pinch of Polyvinylpyrrolidone (povidone) + glass of Alchogol = best glue ever",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6543790",
"author"... | 1,760,372,474.146452 | ||
https://hackaday.com/2022/12/05/rotary-dial-number-pad-is-the-perfect-prank-for-retro-phone-enthusiast/ | Rotary Dial Number Pad Is The Perfect Prank For Retro-Phone Enthusiast | Dan Maloney | [
"Peripherals Hacks"
] | [
"dial",
"keyboard",
"numeric",
"numpad",
"phone",
"rotary"
] | We’re not sure about the rest of you, but to us, a keyboard without a number pad all the way over to the right just seems kind of — naked? We might not be accountants, but there’s something comforting about having the keypad right there, ready for those few occasions when you need to enter numbers more rapidly than wou... | 10 | 9 | [
{
"comment_id": "6543495",
"author": "dudefromthenorth",
"timestamp": "2022-12-06T06:11:22",
"content": "yeah shutup and take my money",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6543503",
"author": "Stuart Longland",
"timestamp": "2022-12-06T06:56:... | 1,760,372,474.070231 | ||
https://hackaday.com/2022/12/05/designing-to-remove-supports/ | Designing To Remove Supports | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"chamfer",
"fillet"
] | If you want to 3D print arbitrary shapes with an FDM printer, you often find you need supports. If you have dissolvable support material, that might not be a big issue, but if you use the same material for support as you print in, removing it can be difficult, depending on the location of the support and your slicer. A... | 22 | 11 | [
{
"comment_id": "6543097",
"author": "Jan Praegert",
"timestamp": "2022-12-05T12:56:19",
"content": "I use Openscad (O) and Cura (C).Want to have an infill with different density at certain point? Create multiple overlapping models in O, export in 3MF and import in C with different setting. Cumberso... | 1,760,372,474.363359 | ||
https://hackaday.com/2022/12/05/using-electron-beams-to-draw-tiny-shapes-onto-silicon/ | Using Electron Beams To Draw Tiny Shapes Onto Silicon | Robin Kearey | [
"Science",
"Tech Hacks",
"Tool Hacks"
] | [
"chip manufacturing",
"electron beam",
"electron-beam lithography",
"lithography"
] | Over the past few years we’ve seen several impressive projects where people try to manufacture integrated circuits using hobbyist tools. One of the most complex parts of this process is lithography: the step in which shapes are drawn onto a silicon wafer. There are several ways to do this, all of them rather complicate... | 11 | 3 | [
{
"comment_id": "6543074",
"author": "rho",
"timestamp": "2022-12-05T11:32:47",
"content": "I don’t understand. We used to do things like these during early 1980s at CEMI. Even back then it wasn’t really breakthrough science anymore.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,474.415627 | ||
https://hackaday.com/2022/12/04/dirty-trs-80-has-a-surprise-hack/ | Dirty TRS-80 Has A Surprise Hack | Al Williams | [
"Retrocomputing"
] | [
"retrocomputing",
"trs-80"
] | [Adrian] had a
TRS-80 model IV
that looks like it was stored in a mulch pile. However, it seemed to have some surprises. The first hint that something was up was that the keyboard looks like a model III and there are two mystery knobs in the back.
So what’s going on? You” have to watch [Adrian’s] video below to find ou... | 12 | 6 | [
{
"comment_id": "6543008",
"author": "geocrasher",
"timestamp": "2022-12-05T06:46:34",
"content": "Truly, a trash-80! Totally love it!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6543013",
"author": "MmmDee",
"timestamp": "2022-12-05T06:56... | 1,760,372,474.463746 | ||
https://hackaday.com/2022/12/04/miracle-of-science-scotch-tape-improves-generator/ | Miracle Of Science: Scotch Tape Improves Generator | Al Williams | [
"News",
"Science",
"Wearable Hacks"
] | [
"energy harvesting",
"micropower",
"triboelectric"
] | We were always amused that one of the biggest scientific discoveries of the recent past — graphene — was started with pencil lead and Scotch tape. Now, researchers at the
University of Alabama in Huntsville
have determined that double-sided Scotch tape can
improve triboelectric power generators
. Triboelectric generati... | 11 | 5 | [
{
"comment_id": "6542988",
"author": "Markus",
"timestamp": "2022-12-05T05:17:23",
"content": "Ok, I wonder what these guys are really doing all day long ;-) Scotch tape after sandwich…https://www.sciencedirect.com/science/article/abs/pii/S2211285520309885?via%3Dihub",
"parent_id": null,
"de... | 1,760,372,474.51291 | ||
https://hackaday.com/2022/12/04/hackaday-links-december-4-2022/ | Hackaday Links: December 4, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"Artemis",
"charging",
"delamination",
"electric vehicle",
"ev",
"hackaday links",
"Jezero",
"lane departure",
"LED streetlights",
"olivine",
"orion",
"Perseverance",
"phosphor",
"spectrum",
"spoofing",
"water"
] | Well, this is embarrassing! Imagine sending a multibillion-dollar rover to an ancient lakebed on Mars only to discover after a year of poking around at the rocks that
it might not actually have been a lake after all
. That seems to be the impression of Jezero Crater that planetary scientists are forming after looking a... | 25 | 7 | [
{
"comment_id": "6542893",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-05T00:34:26",
"content": "LEDs can last a long time, saving money in electricity and replacement costs, if they are not overdriven. Sadly, the manufacturers don’t want to drive themselves out of busines... | 1,760,372,474.595123 | ||
https://hackaday.com/2022/12/04/the-palmpilot-returns-this-time-in-your-browser/ | The PalmPilot Returns, This Time In Your Browser | Al Williams | [
"Retrocomputing"
] | [
"PalmPilot",
"retrocomputing"
] | The PalmPilot doesn’t seem to get much retrocomputing love, but maybe it should. After all, it might not have been the very first handheld, but it was probably the most successful, and that ultimately led to the era of the smartphone. Whether you miss your old Palm applications, or never got to experience them the firs... | 31 | 16 | [
{
"comment_id": "6542848",
"author": "RW ver 0.0.3",
"timestamp": "2022-12-04T21:12:41",
"content": "Nice, I was pondering single purposing a palm or two, but it’s a bit of a pain in the ass to go through software on them to find out what’s actually useful still. That is because they have limited me... | 1,760,372,474.665929 | ||
https://hackaday.com/2022/12/04/diy-repair-stand-holds-your-bike-and-weighs-it/ | DIY Repair Stand Holds Your Bike And Weighs It | Robin Kearey | [
"Tool Hacks"
] | [
"bicycle repair",
"load cell",
"repair stand",
"strain gauge",
"weighing scale"
] | If you’ve ever done maintenance or repair work on your bicycle, you’ll know that positioning a bike in your workshop isn’t trivial. You can use your bike’s kickstand, or lean it against a wall, but then you can’t work on the wheels. You can place it upside-down, but then the shifters and brake levers are hard to reach.... | 24 | 11 | [
{
"comment_id": "6542794",
"author": "manny",
"timestamp": "2022-12-04T18:06:24",
"content": "This writeup is ludicrously detailed, i really like the short video clips.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6542837",
"author": "transistor",
... | 1,760,372,474.818553 | ||
https://hackaday.com/2022/12/05/radial-vector-reducer-rotates-at-really-relaxed-velocity/ | Radial Vector Reducer Rotates At Really Relaxed Velocity | Ryan Flowers | [
"3d Printer hacks",
"Robots Hacks"
] | [
"3D CAD",
"3d printed",
"3D printed gears",
"cycloidal drive",
"cycloidal gearbox",
"gear",
"planetary gears"
] | When [Michael Rechtin] learned about Radial Vector Reducers, the underlying research math made his head spin, albeit very slowly. Realizing that it’s essentially a cycloidal drive meshed with a planetary gear set, he got to work in CAD and, in seemingly no time, had a design to test. You can see the full results of his... | 15 | 5 | [
{
"comment_id": "6543478",
"author": "paulvdh",
"timestamp": "2022-12-06T04:41:30",
"content": "I’m happy to see this.This type of gearbox is indeed an improvement of the cycloidal. I never liked the loose planet pins in the big holes in the cycloidal drives, and this mod eliminates that. This type ... | 1,760,372,474.875561 | ||
https://hackaday.com/2022/12/05/epic-guide-to-bare-metal-stm32-programming/ | Epic Guide To Bare-Metal STM32 Programming | Joseph Long | [
"ARM",
"Microcontrollers",
"Software Development"
] | [
"bare metal",
"embedded development",
"stm32"
] | [Sergey Lyubka] put together this
epic guide for bare-metal microcontroller programming
. While the general concepts should be applicable to most any microcontroller, [Sergey]s examples specifically relate to the Nucleo-F429ZI development board featuring the ARM-based STM32F429 microcontroller.
In the realm of compute... | 31 | 12 | [
{
"comment_id": "6543400",
"author": "Eric Mockler",
"timestamp": "2022-12-06T00:11:57",
"content": "I have one of those, this is cool",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6544403",
"author": "Drone",
"timestamp": "2022-12-08T08:44:... | 1,760,372,474.99781 | ||
https://hackaday.com/2022/12/05/trash-bag-and-foam-board-hovercraft-doesnt-fail-to-succeed-or-fail/ | Trash Bag And Foam Board Hovercraft Doesn’t Fail To Succeed. Or Fail. | Ryan Flowers | [
"Transportation Hacks"
] | [
"DIY hovercraft",
"foam board",
"hovercraft",
"skirt",
"trash bags"
] | When you think of a vehicle that can do it all- water, land, ice, snow and more- the hovercraft often comes to mind. And while they might not be ubiquitous, hovercraft catch the imagination of many a hacker just as it has for [JamesWhomsley] of [ProjectAir]. [James] has built a small, but just big enough hovercraft as ... | 23 | 5 | [
{
"comment_id": "6543286",
"author": "PEBKAC351",
"timestamp": "2022-12-05T21:18:47",
"content": "I have to wonder about the skirt material – there must be something on the market that’s similarly available/inexpensive while still being a little tougher.Maybe a good nylon tarp? As I understand it, p... | 1,760,372,475.057028 | ||
https://hackaday.com/2022/12/05/dekatron-clock-tells-the-time-sans-semiconductors/ | Dekatron Clock Tells The Time, Sans Semiconductors | Robin Kearey | [
"classic hacks",
"clock hacks"
] | [
"clock",
"dekatron",
"GPS clock",
"tubes"
] | Over the years, there have been several memory and display technologies that served a particular niche for a while, only to be replaced and forgotten when a more suitable technology came along. One of those was the dekatron: a combination memory and display tube that saw some use in the 1950s and ’60s but became obsole... | 19 | 2 | [
{
"comment_id": "6543220",
"author": "Greg A",
"timestamp": "2022-12-05T19:04:59",
"content": "it sounds pretty neat but, just as a matter of semantics, isn’t a dekatron tube a semiconductor? it conducts or doesn’t conduct in response to a control signal, which i thought was the definition",
"p... | 1,760,372,474.929345 | ||
https://hackaday.com/2022/12/05/perhaps-its-time-to-talk-about-all-those-fakes-and-clones/ | Perhaps It’s Time To Talk About All Those Fakes And Clones | Jenny List | [
"Hackaday Columns",
"hardware",
"Rants",
"Slider"
] | [
"clone",
"copy",
"counterfeit",
"fake"
] | A while back, I bought a cheap spectrum analyser via AliExpress. I come from the age when a spectrum analyser was an extremely expensive item with a built-in CRT display, so there’s still a minor thrill to buying one for a few tens of dollars even if it’s obvious to all and sundry that the march of technology has broug... | 87 | 22 | [
{
"comment_id": "6543205",
"author": "Needleroozer",
"timestamp": "2022-12-05T18:31:15",
"content": "s/Salae/Saleae/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6543231",
"author": "elwing",
"timestamp": "2022-12-05T19:29:52",
"con... | 1,760,372,475.248437 | ||
https://hackaday.com/2022/12/05/how-realtime-is-your-kernel-scope-a-gpio-to-find-out/ | How Realtime Is Your Kernel? Scope A GPIO To Find Out | Arya Voronova | [
"Linux Hacks"
] | [
"deterministic",
"digital Oscilloscope",
"embedded",
"interrupt latency",
"linux",
"real-time",
"RTLinux",
"RTOS"
] | When debugging something as involved as kernel scheduler timings, you would typically use one of the software-based debugging mechanisms available. However, in cases when software is close to bare metal, you don’t always need to do that. Instead, you can output a signal to a GPIO, and then use a logic analyzer or a sco... | 27 | 9 | [
{
"comment_id": "6543169",
"author": "Paul",
"timestamp": "2022-12-05T16:46:20",
"content": "WooHoo! Debugging micros like it’s 1989!Great to see reminders of the simple old-fashioned techniques. Refreshingly direct.Maybe even more useful now in this age of multi-core, multitasking micros with NVIC... | 1,760,372,475.118755 | ||
https://hackaday.com/2022/12/05/asbestos-the-miracle-mineral-of-our-worst-nightmares/ | Asbestos: The Miracle Mineral Of Our Worst Nightmares | Maya Posch | [
"Featured",
"Interest",
"Science",
"Slider"
] | [
"asbestos"
] | For much of the 19th and 20th century, the mining and use of asbestos saw near-constant growth, with virtually every material used in the construction of homes, offices,
ships
, road networks and industries featuring this miraculous mineral in some fashion. Some of these materials would contain only a few percent asbes... | 99 | 39 | [
{
"comment_id": "6543146",
"author": "hinspect",
"timestamp": "2022-12-05T15:20:29",
"content": "When I was young people used to be able to buy it by the foot at almost any hardware store, my Dad kept a roll of it in the utility room. The houses in Oak Ridge, TN used to be made with at least some as... | 1,760,372,475.445389 | ||
https://hackaday.com/2022/12/04/rocket-switch-accessibility-done-with-elegance/ | Rocket Switch – Accessibility Done With Elegance | Arya Voronova | [
"Medical Hacks"
] | [
"3.5mm jack",
"access controller",
"accessibility",
"Adafruit trinket",
"adaptive controller",
"adaptive technology"
] | Quite a few makers try and create devices helpful to others – today’s hack,
Rocket Switch,
is a lovely example of that. It’s a design by [Neil Squire] of [Makers Making Change], with a PCB that plugs onto an Adafruit Rotary Trinkey, soldering onto its exposed pads, equipping it with two headphone jacks connected to GPI... | 7 | 3 | [
{
"comment_id": "6542790",
"author": "stappers",
"timestamp": "2022-12-04T17:55:21",
"content": "https://learn.adafruit.com/adafruit-rotary-trinkey",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6542846",
"author": "Ian",
"timestamp": "2022-12-04T21:11... | 1,760,372,475.298226 | ||
https://hackaday.com/2022/12/04/breathe-through-your-ears/ | Breathe Through Your Ears? | Orlando Hoilett | [
"Wearable Hacks"
] | [
"Empatica",
"fitbit",
"heart rate",
"PPG",
"respiration",
"respiratory rate",
"wearable"
] | With all the attention given to heart rate monitoring and step counting, respiratory rate monitoring is often overlooked. Smartwatches are starting to incorporate respiratory rate monitoring more and more these days. However, current devices often simply look at breaths per minute without extracting more interesting fe... | 15 | 7 | [
{
"comment_id": "6542731",
"author": "Marcus",
"timestamp": "2022-12-04T13:26:20",
"content": "There seems to be a formatting problem with the first sentence of the first paragraph.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6542738",
"author": "Gregg ... | 1,760,372,475.495231 | ||
https://hackaday.com/2022/12/04/this-is-the-future-of-waste-management/ | This Is The Future Of Waste Management | Dave Rowntree | [
"Robots Hacks"
] | [
"3d printed",
"arduino mega",
"dc motor",
"dead reckoning",
"deepgram ai",
"extrusion",
"navigation",
"Nvidia Jetson Nano",
"robot bin",
"Robot Operating System",
"servo",
"TPU",
"waste"
] | Many of us have been asking for some time now “where are our robot servants?” We were promised this dream life of leisure and luxury, but we’re still waiting. Modern life is a very wasteful one, with items delivered to our doors with the click of a mouse, but the disposal of the packaging is still a manual affair. Woul... | 13 | 7 | [
{
"comment_id": "6542686",
"author": "Frankel",
"timestamp": "2022-12-04T09:17:00",
"content": "Pretty cool considering how precise and smooth the movements are. A ruggedized version with metal spikes following people littering cities could be the game changer :)",
"parent_id": null,
"depth"... | 1,760,372,475.541884 | ||
https://hackaday.com/2022/12/03/a-cycle-accurate-intel-8088-core-for-all-your-retro-pc-needs/ | A Cycle-Accurate Intel 8088 Core For All Your Retro PC Needs | Jenny List | [
"Retrocomputing"
] | [
"8086",
"8088",
"fpga",
"x86"
] | A problem faced increasingly by retrocomputer enthusiasts everywhere is the supply of chips. Once a piece of silicon goes out of production its demand can be supplied for a time by old stock and second hand parts, but as they become rare so the cost of what can be dubious parts accelerates out of reach. Happily for CPU... | 17 | 5 | [
{
"comment_id": "6542710",
"author": "Joshua",
"timestamp": "2022-12-04T11:46:00",
"content": "But didn’t early PC users often replace their 8086/8088 by a NEC V30/V20?My father was a PC user in the 80s and he told me that he did.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,475.597458 | ||
https://hackaday.com/2022/12/03/better-coding-through-sketching/ | Better Coding Through Sketching | Al Williams | [
"News",
"Software Development"
] | [
"cursive",
"sketch",
"writing"
] | Back in the late 1970s and early 1980s, engineering students would take a few semesters of drafting and there would usually be a week or two of “computer-aided drafting.” In those days, that meant punching cards that said RECTANGLE 20,30 or something like that and getting the results on a plotter. Then we moved on to g... | 25 | 6 | [
{
"comment_id": "6542623",
"author": "Severe Tire Damage",
"timestamp": "2022-12-04T03:09:12",
"content": "Sounds like flowcharts are being reinvented.I’ve always said that flowcharts are crutches for the incompetent and for imbeciles.Take FPGA design for example. Hankering for graphical tools just... | 1,760,372,475.754639 | ||
https://hackaday.com/2022/12/03/build-your-own-mini-fogging-cauldron/ | Build Your Own Mini Fogging Cauldron | Lewin Day | [
"Holiday Hacks"
] | [
"atomizer",
"cauldron",
"halloween",
"Halloween hacks"
] | The best cauldrons are full of bubbling, steamy potions of great magical potential. We don’t have many of those in the real world, though, so sometimes we have to make do with a simulacra. [wannabemadsci] has built just that,
with this fogging cauldron prop that uses no fog fluid or dry ice
, running solely with water ... | 12 | 6 | [
{
"comment_id": "6542635",
"author": "MartyK",
"timestamp": "2022-12-04T03:41:40",
"content": "Could this be used as a humidifier?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6542641",
"author": "Ryan",
"timestamp": "2022-12-04T04:00:26",
... | 1,760,372,475.799769 | ||
https://hackaday.com/2022/12/03/bit-banging-bidirectional-ethernet-on-a-pi-pico/ | Bit-Banging Bidirectional Ethernet On A Pi Pico | Dave Walker | [
"hardware",
"Network Hacks"
] | [
"bit bang",
"ethernet",
"Raspberry Pi Pico",
"software ethernet"
] | These days, even really cheap microcontroller boards have options that will give you Ethernet or WiFi access. But what if you have a Raspberry Pi Pico board and you really want to MacGyver yourself a network connection? You could do worse than check out this project by [holysnippet] that gives you a
bit-banged bidirect... | 38 | 7 | [
{
"comment_id": "6542585",
"author": "M",
"timestamp": "2022-12-03T23:37:40",
"content": "I’d love to see a version of this using the PIOs to bit-bang ethernet, but with the full complement of protection circuitry. That would be fit to be used far and wide.",
"parent_id": null,
"depth": 1,
... | 1,760,372,477.910313 | ||
https://hackaday.com/2022/12/03/nixie-display-module-is-addressable-via-spi/ | Nixie Display Module Is Addressable Via SPI | Lewin Day | [
"classic hacks"
] | [
"nixie tube",
"nixie tubes",
"pic",
"spi"
] | There are plenty of SPI interface screens on the market, but few of them have the charm of the good old Nixie tube. [Tony] decided to whip up
a simple three-Nixie module that could be addressed via SPI.
The stacked construction keeps things compact.
The module relies on a PIC16F15344 microcontroller to run the show, us... | 5 | 3 | [
{
"comment_id": "6542505",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-03T18:06:11",
"content": "“It’s built with four stacked-up PCBs for ease of assembly”I wouldn’t consider cordwood construction easy to assemble.",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,372,477.584166 | ||
https://hackaday.com/2022/12/03/cargo-culting-and-buried-treasure/ | Cargo Culting And Buried Treasure | Elliot Williams | [
"Hackaday Columns",
"News",
"Rants",
"Slider"
] | [
"cargo cult",
"learning",
"newsletter"
] | I have no idea how true the stories are, but
legend has it
that when supplies were dropped on some Melanesian islands during WWII, some locals took to replicating runway signs in order to further please the “gods” that were dropping them. They reportedly thought that making landing strips
caused
laden airplanes to visi... | 55 | 19 | [
{
"comment_id": "6542486",
"author": "Eric Mockler",
"timestamp": "2022-12-03T16:56:24",
"content": "It’s not a bandwagon, it’s a rollerskate going down a steep hill and nobody’s wearing helmets or even kneepads, but they’re vaccinated.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,477.496379 | ||
https://hackaday.com/2022/12/03/bring-out-the-fine-detail-in-small-objects-with-this-coaxial-lighting-rig/ | Bring Out The Fine Detail In Small Objects With This Coaxial Lighting Rig | Dan Maloney | [
"digital cameras hacks"
] | [
"beam-spliiter",
"coaxial",
"macro",
"numismatics",
"photography"
] | All things considered, modern photography is pretty easy. It’s really just a matter of pointing the camera at the thing you want to take a picture of and letting the camera do the rest. But that doesn’t mean
good
photographs are easy to make, especially when fine detail is required. And that’s the reason
this 3D printe... | 11 | 6 | [
{
"comment_id": "6542441",
"author": "Nick",
"timestamp": "2022-12-03T13:36:35",
"content": "Check out “dark field illumination” and make composites in your favorite image editing software.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6542527",
"au... | 1,760,372,477.39945 | ||
https://hackaday.com/2022/12/03/hanging-christmas-lights-with-no-ladder-and-no-fuss/ | Hanging Christmas Lights With No Ladder And No Fuss | Lewin Day | [
"Holiday Hacks"
] | [
"christmas",
"christmas lights",
"magnets"
] | Getting up on a ladder to hang Christmas lights is a great way to hurt yourself if you’re not careful, and winter conditions only add to the peril. One enterprising hacker has whipped up a neat way to avoid ladders entirely, by
hanging their lights while planted safely on the ground.
Result!
The build uses hefty magnet... | 25 | 13 | [
{
"comment_id": "6542418",
"author": "nono",
"timestamp": "2022-12-03T11:07:13",
"content": "jingle b… yawn.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6542532",
"author": "[EGO]",
"timestamp": "2022-12-03T19:28:29",
"content": "h... | 1,760,372,477.713599 | ||
https://hackaday.com/2022/12/02/stack-trace-from-the-1950s-punches-again/ | Stack Trace From The 1950s Punches Again | Chris Lott | [
"Phone Hacks",
"Retrocomputing"
] | [
"5xb",
"connections museum",
"Electro-Mechanical",
"telephone exchange",
"telephone switch",
"trouble recorder"
] | This repair/tutorial video by the telephone
Connections Museum of Seattle
features an amazing piece of electro-mechanical technology from the 1950s — the 5XB trouble recorder. Museum volunteer Sarah the “Switch Witch” has a deep passion for old phone equipment, and gives an excellent description of the trouble recorder... | 4 | 3 | [
{
"comment_id": "6542514",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-03T18:20:05",
"content": "She’s a witch! She turned me into a newt!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6542529",
"author": "SteveS",
... | 1,760,372,477.542585 | ||
https://hackaday.com/2022/12/02/hackerboards-making-finding-the-right-single-board-computer-easy/ | Hackerboards: Making Finding The Right Single-Board Computer Easy | Maya Posch | [
"computer hacks"
] | [
"SBC",
"single board computer"
] | The great thing about the wide availability of single-board computers (SBCs) is that it offers such a large selection of options, in terms of CPU performance, GPU features, RAM size, I/O options and much more. This is however also the largest issue, especially with the annual surge of new boards with new feature sets. ... | 18 | 8 | [
{
"comment_id": "6542338",
"author": "Good Job",
"timestamp": "2022-12-03T05:03:45",
"content": "Oh this is awesome!! I’ve been using that site a few times a year for the last few years. Its been a wonderful resource and I’m happy they’ve updated it.",
"parent_id": null,
"depth": 1,
"rep... | 1,760,372,477.762651 | ||
https://hackaday.com/2022/12/02/converting-a-porsche-944-to-run-a-maf/ | Converting A Porsche 944 To Run A MAF | Lewin Day | [
"car hacks"
] | [
"AFM",
"air flow meter",
"car",
"car hacks",
"maf sensor",
"mass air flow",
"mass air flow sensor"
] | Electronic fuel injection was a big leap forward for engine control. However, early implementations often left something to be desired. This was the case for [Rob] and his Porsche 944, which had relied on an old-fashioned mechanical air flow meter (AFM). He decided to replace this with a modern mass air flow (MAF) sens... | 28 | 8 | [
{
"comment_id": "6542252",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-03T00:05:48",
"content": "I’m one to complain about long videos on HaD, but 7 seconds?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6542259",
"author"... | 1,760,372,477.64873 | ||
https://hackaday.com/2022/12/02/a-dead-photographic-format-rises-from-the-ashes/ | A Dead Photographic Format Rises From The Ashes | Jenny List | [
"classic hacks"
] | [
"Disc film",
"film",
"film camera",
"kodak"
] | Sometimes we stumble upon a hack that’s not entirely new but which is still pretty exceptional. So it is with [Hèrm Hofmeyer]’s
guide to recreating a film cartridge for the Kodak Disc photographic format
. It’s written in 2020, but describing a project around a decade old.
The disc format was Kodak’s great hope in the ... | 34 | 12 | [
{
"comment_id": "6541901",
"author": "Brian Suarez",
"timestamp": "2022-12-02T09:54:51",
"content": "The following quote from the article brought out a small audible chuckle as I reminenced for a quick moment of a tale once described to me while I was involved in the graphic films industry during wh... | 1,760,372,477.977485 | ||
https://hackaday.com/2022/12/01/throwback-usb-hotplate-used-30-whole-ports/ | Throwback: USB Hotplate Used 30 Whole Ports | Lewin Day | [
"cooking hacks"
] | [
"cooking",
"hot plate",
"hotplate",
"usb",
"usb 1.1",
"USB C",
"USB-C PD"
] | Once upon a time, USB was still hip, cool, and easy to understand. You could get up to 500 mA out of a port, which wasn’t much, but some companies produced USB cup warmers anyway which were a bit of a joke. However, one enterprising hacker took things further back in 2004,
whipping up a potent USB hot plate powered by ... | 22 | 8 | [
{
"comment_id": "6541821",
"author": "Severe Tire Damage",
"timestamp": "2022-12-02T06:07:37",
"content": "I don’t know about ingenuity. More like dogged determination in the face of surmountable odds.I remember someone working up a cupwarmer that used a 486 chip as the heating element, which was “... | 1,760,372,477.824497 | ||
https://hackaday.com/2022/12/01/ply-your-craft-with-tubular-origami/ | Ply Your Craft With Tubular Origami | Abe Connelly | [
"Robots Hacks"
] | [
"kirigami",
"laser origami",
"origami",
"papercraft",
"prototyping"
] | Researchers at the University of Pennsylvania have just published a paper on creating modular tubular origami machines which they call
“Kinegami”
, a portmanteau of “kinematic” and “origami”.
The idea behind their work is to create individual modules and joint mechanisms that can then be chained together to create a la... | 3 | 2 | [
{
"comment_id": "6541778",
"author": "SB5",
"timestamp": "2022-12-02T03:11:19",
"content": "This calls for some music – maybe Tubular Bells",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6541829",
"author": "Grand piano, Reed and pipe organ, Glockens... | 1,760,372,478.020986 | ||
https://hackaday.com/2022/12/01/using-i%c2%b2c-sensors-with-any-linux-via-usb-and-iio/ | Using I²C Sensors With Any Linux Via USB And IIO | Maya Posch | [
"ATtiny Hacks",
"Software Development"
] | [
"i2c",
"linux"
] | Hooking up I2C sensors is something which is generally associated with microcontrollers and SBCs, yet it’s very easy to use such I2C sensors from basically any system that runs Linux. After all, I2C (that is, SMBus) is one of the interfaces that is highly likely to be used on your PC’s mainboard as well as peripherals.... | 12 | 8 | [
{
"comment_id": "6541738",
"author": "Ø",
"timestamp": "2022-12-02T01:06:24",
"content": "On most non-Apple *Nix computers, you can also use the i2c lines in the VGA, DVI or HDMI plug, which normally are used by the system to either read a ROM chip in the monitor that contains compatible resolutions... | 1,760,372,478.679307 | ||
https://hackaday.com/2022/12/01/simple-atx-bench-power-supply-adds-variable-output/ | Simple ATX Bench Power Supply Adds Variable Output | Lewin Day | [
"Tool Hacks"
] | [
"atx",
"atx power supply",
"power supply",
"psu"
] | A benchtop power supply is a key thing to have for any aspiring electronics hacker. While you can always buy one, plenty of us have old computer PSUs lying around that could do a fine job themselves. [Frugha] decided to whip up a neat 3D-printed design
for converting any ATX PSU into a usable bench unit.
The design fea... | 24 | 6 | [
{
"comment_id": "6541645",
"author": "Orzel",
"timestamp": "2022-12-01T21:26:41",
"content": "Come on ?? Again !??",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6541655",
"author": "Mike",
"timestamp": "2022-12-01T21:54:43",
"content... | 1,760,372,478.525495 | ||
https://hackaday.com/2022/12/01/rescue-that-dead-xbox-with-an-external-psu/ | Rescue That Dead Xbox With An External PSU | Jenny List | [
"Xbox Hacks"
] | [
"power supply",
"psu",
"repair",
"xbox",
"Xbox Series S"
] | There is nothing worse than that sinking feeling as a computer or other device fails just after its warranty has expired. [Robotanv] had it with his Xbox Series S whose power supply failed, and was faced with either an online sourced PSU of uncertain provenance, or a hefty bill from Microsoft for a repair. He chose to ... | 13 | 7 | [
{
"comment_id": "6541631",
"author": "sjm4306",
"timestamp": "2022-12-01T20:58:38",
"content": "In college I got broken ps2 that wouldn’t power on so I rigged it to my 3d printer’s 12V supply to test if it was the internal supply or the mobo. It booted up and played just fine, the supply was toast t... | 1,760,372,478.879458 | ||
https://hackaday.com/2022/12/01/car-batteries-more-than-just-wet-lead/ | Car Batteries: More Than Just Wet Lead | Al Williams | [
"Battery Hacks",
"car hacks",
"Hackaday Columns",
"Slider"
] | [
"AGM battery",
"car battery",
"lead acid battery"
] | Working on car electrical systems used to be easy. The battery simply provided power for the car’s starter motor when starting or to run the small number of accessories when the engine wasn’t running. The rest of the time, the alternator charged the battery and provided power for the rest of the vehicle and the ignitio... | 47 | 11 | [
{
"comment_id": "6541577",
"author": "Ostracus",
"timestamp": "2022-12-01T18:53:50",
"content": "Recyclable is the biggest. How often do the other types get recycled?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6541649",
"author": "Todd3465",
... | 1,760,372,478.831196 | ||
https://hackaday.com/2022/12/02/is-that-a-typewriter-in-your-pocket-or-are-you-just-pleased-to-see-me/ | Is That A Typewriter In Your Pocket Or Are You Just Pleased To See Me? | Dave Rowntree | [
"classic hacks"
] | [
"aluminium",
"milling",
"strike bars",
"typewriter"
] | Don’t have the right milling tool? Just make one!
[Attoparsec] wondered what if you could carry a typewriter in your pocket, then
followed through with that and built one
. (Video, embedded below.) Kind of. The plan was to use an existing set of striker bars, but not wanting to destroy a perfectly good typewriter, they... | 16 | 12 | [
{
"comment_id": "6542204",
"author": "Michael Black",
"timestamp": "2022-12-02T21:24:32",
"content": "I had a portable electric typewriter abiut 1976. It was a small suitcase. But better than the one I had as a kid, where you turn the knob to get the letter, then oress the keyboard, the whole thin... | 1,760,372,478.462901 | ||
https://hackaday.com/2022/12/02/the-j1772-hydra-helps-you-charge-two-evs-at-once/ | The J1772 Hydra Helps You Charge Two EVs At Once | Lewin Day | [
"car hacks"
] | [
"car",
"cars",
"electric vehicle",
"ev",
"EV charger",
"evse"
] | There are plenty of electric vehicle (EV) chargers out there that are underutilized. This is particularly common where older EVs are involved, where the cars may only be able to charge at a few kW despite the charger being capable of delivering more. [Nick Sayer] regularly found 6.6 kW chargers being used by vehicles t... | 20 | 6 | [
{
"comment_id": "6542139",
"author": "Jason",
"timestamp": "2022-12-02T19:53:10",
"content": "Sounds totally safe. /s",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6542215",
"author": "TG",
"timestamp": "2022-12-02T22:04:22",
"conten... | 1,760,372,478.734439 | ||
https://hackaday.com/2022/12/02/the-amateur-rocketry-hack-chat-reaches-for-the-stars/ | The Amateur Rocketry Hack Chat Reaches For The Stars | Tom Nardi | [
"Engineering",
"Hackaday Columns"
] | [
"amateur rocketry",
"Hack Chat",
"rocketry",
"solid fuel rocket"
] | Hackaday has been around long enough to see incredible changes in what’s possible at the hobbyist level. The tools, techniques, and materials available today border on science-fiction compared to what the average individual had access to even just a decade ago. On a day to day basis, that’s manifested itself as increas... | 7 | 4 | [
{
"comment_id": "6542107",
"author": "Piotrsko",
"timestamp": "2022-12-02T18:29:54",
"content": "Um not sure if the shuttle solids were categorized as apcp, not a chemist but instrumentation tech, we were told while working at Edwards 1C15 test stand that they were nitroglycerine with aluminum chlor... | 1,760,372,479.116059 | ||
https://hackaday.com/2022/12/02/hackaday-podcast-195-no-nabu-for-you-self-assembling-3d-prints-black-hats-look-at-ev-chargers/ | Hackaday Podcast 195: No NABU For You, Self-Assembling 3D Prints, Black Hats Look At EV Chargers | Tom Nardi | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi find themselves in the middle of a slow news week, so they dispense with the usual timely chit-chat and dive right into the results of a particularly tricky “What’s that Sound” challenge.
From there they’ll cover the new breed of ATtiny microconto... | 4 | 2 | [
{
"comment_id": "6542251",
"author": "Atomic Johnson",
"timestamp": "2022-12-03T00:03:33",
"content": "About gas pumps being internet connected. Ever notice that a lot of gas stations have satellite dishes on top? I want to say that I’ve seen a few chevron stations with dishes that say Hughs Net on ... | 1,760,372,478.925916 | ||
https://hackaday.com/2022/12/02/spool-tower-empty-filament-spool-or-base-for-miniature-civilizations/ | Spool Tower: Empty Filament Spool Or Base For Miniature Civilizations | Maya Posch | [
"3d Printer hacks",
"green hacks"
] | [
"FDM",
"miniatures",
"recycling"
] | While churning through rolls of FDM filament, there are these empty spools that remain at the end. These can be thrown out with the trash, or be used as a standard base for miniatures, for use with
Dungeons & Dragons
tabletop gaming or similar, or just as a display piece. The latter is what the blokes
over at Digital T... | 23 | 7 | [
{
"comment_id": "6542076",
"author": "nono",
"timestamp": "2022-12-02T17:08:24",
"content": "looks like all the filament that was on the spool was used for the “add-ons” that goes over the empty spool…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6542086",... | 1,760,372,478.986871 | ||
https://hackaday.com/2022/12/02/this-week-in-security-huawei-gets-the-banhammer-lastpass-and-old-code-breaking/ | This Week In Security: Huawei Gets The Banhammer, Lastpass, And Old Code Breaking | Jonathan Bennett | [
"Current Events",
"Featured",
"Slider"
] | [
"Black Hat",
"Huawei",
"lastpass",
"This Week in Security"
] | While many of us were enjoying some time off for Thanksgiving,
the US government took drastic action against Huawei
and four other Chinese companies. The hardest hit are Huawei and ZTE, as the ban prevents any new products from being approved for the US market. The other three companies are Dahua and Hikvision, which m... | 37 | 8 | [
{
"comment_id": "6542055",
"author": "Ostracus",
"timestamp": "2022-12-02T16:13:25",
"content": "“Enter your email here to receive a password reset link.”Wouldn’t the need for a hardware key stop that since even if someone has your e-mail account they’ll need the physical key to reset?",
"parent... | 1,760,372,479.066176 | ||
https://hackaday.com/2022/12/02/a-timepiece-straight-out-of-back-to-the-future/ | A Timepiece Straight Out OfBack To The Future | Lewin Day | [
"clock hacks"
] | [
"back to the future",
"clock",
"movie prop",
"prop"
] | [Stephen Holdaway] needed a desk clock, and decided to whip something up from scratch. The result is
a beautiful tribute to the DeLorean’s time circuits
from legendary 1985 film
Back to the Future.
We say it’s a tribute rather than an exact replica, as it only implements the “present time” section of the time circuits.... | 20 | 11 | [
{
"comment_id": "6541960",
"author": "Alphatek",
"timestamp": "2022-12-02T12:21:15",
"content": "Nice result, and on a project timescale I can get behind.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6541999",
"author": "Andrzej",
"timestamp": "2022-... | 1,760,372,479.176668 | ||
https://hackaday.com/2022/12/01/taking-good-pictures-of-pcbs/ | Taking (Good) Pictures Of PCBs | Bryan Cockfield | [
"digital cameras hacks"
] | [
"automation",
"camera",
"imagemagic",
"lighting",
"pcb",
"photography",
"python"
] | Snapping pictures is not technically difficult with modern technology, but taking good photographs is another matter. There are a number of things that a photographer needs to account for in order to get the best possible results, and if the subject matter isn’t particularly photogenic to start with it makes the task j... | 18 | 10 | [
{
"comment_id": "6541511",
"author": "Jason",
"timestamp": "2022-12-01T16:50:06",
"content": "Use a flatbed scanner?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6541515",
"author": "alialiali",
"timestamp": "2022-12-01T16:56:10",
"... | 1,760,372,479.288178 | ||
https://hackaday.com/2022/12/01/ask-hackaday-when-it-comes-to-processors-how-far-back-can-you-go/ | Ask Hackaday: When It Comes To Processors, How Far Back Can You Go? | Jenny List | [
"Featured",
"History",
"Interest",
"Slider"
] | [
"cpu",
"history",
"microprocessor"
] | When it was recently announced that the Linux kernel might drop support for the Intel 486 line of chips,
we took a look at the state of the 486 world
. You can’t buy them from Intel anymore, but you can buy clones, which are apparently still used in embedded devices. But that made us think: if you can’t buy a genuine 4... | 89 | 21 | [
{
"comment_id": "6541472",
"author": "Alphatek",
"timestamp": "2022-12-01T15:09:39",
"content": "Not sure the 6502 wins – the 65C02 is slightly different.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6541476",
"author": "Ramtop",
"timestamp... | 1,760,372,479.997845 | ||
https://hackaday.com/2022/12/01/tega-typescript-embedded-game-boy-macro-assembler/ | TEGA: Typescript Embedded Game Boy (Macro) Assembler | Dave Rowntree | [
"Nintendo Game Boy Hacks"
] | [
"game boy",
"game boy hacks",
"nintendo",
"typescript"
] | [Francis Stokes] has a real love for the original Game Boy, suggesting that owning this machine pushed him along a certain path that many of us would recognize. Developing Game Boy games isn’t particularly difficult from a hardware point of view, as you can easily buy special cartridges that have an SD card slot, allow... | 2 | 1 | [
{
"comment_id": "6541490",
"author": "None",
"timestamp": "2022-12-01T16:06:22",
"content": "If I’m not mistaken, this basically is abusing the typescript support in VS Code to implement a macroassembler+IDE. Quite a hack!Although, other options exist for that. There’s even a VS Code extension that... | 1,760,372,479.518754 | ||
https://hackaday.com/2022/12/01/a-cheap-3d-printer-control-panel-as-a-general-purpose-interface/ | A Cheap 3D Printer Control Panel As A General Purpose Interface | Jenny List | [
"Parts"
] | [
"Human Interface",
"module",
"reverse engineering"
] | Browsing the usual websites for Chinese electronics, there are a plethora of electronic modules for almost every conceivable task. Some are made for the hobbyist or experimenter market, but many of them are modules originally designed for a particular product which can provide useful functionality elsewhere. One such m... | 15 | 6 | [
{
"comment_id": "6541325",
"author": "Jeff Brown",
"timestamp": "2022-12-01T09:05:39",
"content": "Nice! I also used one of these boards as a controller for some fancy lighting in a Little Free Library. It’s quite versatile.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"... | 1,760,372,479.477902 | ||
https://hackaday.com/2022/11/30/the-game-boy-color-accessory-youve-been-waiting-for/ | The Game Boy Color Accessory You’ve Been Waiting For | Dave Rowntree | [
"Nintendo Game Boy Hacks"
] | [
"game boy",
"game boy hacks",
"nintendo",
"Nintendo Game Boy"
] | Sometimes silly projects catch our eye, and we just can’t resist covering them. Over on Hackaday.io, [solderking] realized that there was a glaring omission in the multi-game management hardware for the Game Boy Color. Obviously, it’s too mundane to carry the handheld around with a bunch of games in one’s pocket, and a... | 27 | 16 | [
{
"comment_id": "6541263",
"author": "Jan",
"timestamp": "2022-12-01T06:58:52",
"content": "Why spend time and money on such an idea?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6541268",
"author": "bob",
"timestamp": "2022-12-01T07:11:49"... | 1,760,372,479.585274 | ||
https://hackaday.com/2022/11/30/nerf-neural-radiance-fields/ | NERF – Neural Radiance Fields | Anne Ogborn | [
"Video Hacks"
] | [
"3d",
"3d capture",
"3d video"
] | Making narrative film just keeps getting easier. What once took a studio is now within reach of the dedicated hobbyist. And
Neural Radiance Fields
are making it a dramatic step easier. The guys from [Corridor Crew] give an early peek.
Filming and editing have reached the cell phone and laptop stage of easy. But sets, c... | 17 | 5 | [
{
"comment_id": "6541221",
"author": "Ostracus",
"timestamp": "2022-12-01T04:47:49",
"content": "I see this being added to VFX software in the near future.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6541398",
"author": "ono",
"timestamp":... | 1,760,372,479.640711 | ||
https://hackaday.com/2022/11/30/a-weather-station-for-whether-it-rains-or-shines/ | A Weather Station For Whether It Rains Or Shines | Abe Connelly | [
"3d Printer hacks"
] | [
"anemometer",
"BMP180",
"dht22",
"ESP32",
"rain gauge",
"weather",
"wind vane"
] | [Giovanni Aggiustatutto] creates a
DIY weather station
to measure rain fall, wind direction, humidity and temperature. [Giovanni] has been working on various parts of the weather station, including the
rain gauge
and
anemometer
, with the weather station build incorporating all these past projects and adding a few extr... | 7 | 3 | [
{
"comment_id": "6541114",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-01T00:12:40",
"content": "” a DIY weather station to measure rain fail, wind direction, humidity and temperature”Rain fail?Isn’t that a drought?B^)",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,372,479.754071 | ||
https://hackaday.com/2022/11/30/nano-sized-7-segment-led-display-on-a-surface-mount-module/ | Nano-Sized 7-Segment LED Display On A Surface Mount Module | Joseph Long | [
"LED Hacks",
"News"
] | [
"7 segment LED display",
"miniaturization",
"smd"
] | Inspired by a prank tweet, [Sam Ettinger] endeavored to create an SMD seven-segment display. The
NanoRaptor NanoSegment
implements a panel of seven-segment display modules sized at “0806” each or just a bit wider than a standard 0805 SMD footprint. Each of the seven segments is a single 0201 LED. Six I/O lines and t... | 19 | 10 | [
{
"comment_id": "6541052",
"author": "Adam",
"timestamp": "2022-11-30T21:51:38",
"content": "Love the use of the PCB as its own solder stencil.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6541117",
"author": "The Commenter Formerly Known As Ren",
"t... | 1,760,372,479.70121 | ||
https://hackaday.com/2022/11/30/cardboard-game-tokens-become-shiny-click-clacks-with-diy-treatment/ | Cardboard Game Tokens Become Shiny Click-Clacks With DIY Treatment | Donald Papp | [
"Games",
"how-to"
] | [
"board game",
"resin",
"Tabletop",
"token"
] | Tabletop games and cardboard tokens go hand-in-hand for a good reason: they are economical and effective. However, their tactile attributes leave a little to be desired. There’s something really great about high-quality pieces possessing a shiny, pleasing smoothness and
click-clack
handling that cardboard simply can’t ... | 30 | 7 | [
{
"comment_id": "6541051",
"author": "RW ver 0.0.3",
"timestamp": "2022-11-30T21:47:58",
"content": "I wonder if one could devise a similar process with casein based polymers… my local Rexall pharmacy for example is always reducing excess milk down to like 50 cents a gallon with a couple of days dat... | 1,760,372,480.070757 | ||
https://hackaday.com/2022/11/30/jcb-is-exploring-hydrogen-combustion-engines-for-construction-machinery/ | JCB Is Exploring Hydrogen Combustion Engines For Construction Machinery | Lewin Day | [
"green hacks",
"Hackaday Columns",
"Slider"
] | [
"agricultural equipment",
"construction equipment",
"hydrogen combustion",
"hydrogen engine",
"hydrogen storage",
"jcb"
] | When we think about greening up the planet, solar panels and electric cars are often at the forefront of our mind. However, there’s a whole bunch of other things out there that are spewing out carbon dioxide that also need to be cleaned up. That includes leaf blowers, lawn mowers, and yes – big equipment for constructi... | 60 | 18 | [
{
"comment_id": "6540947",
"author": "Jonathan Bennett",
"timestamp": "2022-11-30T18:09:16",
"content": "The biggest problem with Hydrogen in this use case is that it’s so leaky. Even NASA struggles to design tanks and pipes that can contain the slippery stuff.",
"parent_id": null,
"depth": ... | 1,760,372,480.180397 | ||
https://hackaday.com/2022/11/30/mechanical-keyboard-with-a-framework-inside/ | Mechanical Keyboard With A Framework Inside | Navarre Bartz | [
"computer hacks",
"Peripherals Hacks"
] | [
"commodore 64",
"framework",
"Framework laptop",
"mechanical keyboard",
"milled aluminum case"
] | Like the Commodore 64 and other keyboard computers of yore, the
[Elevated Systems]’s CJ64
fits all of its processing and I/O into a single keyboard-shaped package.
This iteration of the project takes it to the next level with an enclosure milled out of aluminum instead of the mere 3D printed enclosure of the previous v... | 31 | 15 | [
{
"comment_id": "6540908",
"author": "fiddlingjunky",
"timestamp": "2022-11-30T16:44:00",
"content": "Kinda like a hyper-retro pi400. Love what Framework is enabling.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6540912",
"author": "R",
"timestamp": ... | 1,760,372,480.249286 | ||
https://hackaday.com/2022/11/30/building-your-own-consensus/ | Building Your Own Consensus | Matthew Carlson | [
"Featured",
"Interest",
"Slider",
"Software Development"
] | [
"consensus",
"raft"
] | With billions of computers talking to each other daily, how do they decide anything? Even in a database or server deployment, how do the different computers that make up the database decide what values have been committed? How do they agree on what time it is? How do they come to a consensus?
But first, what is the con... | 3 | 3 | [
{
"comment_id": "6540896",
"author": "Ethan Waldo",
"timestamp": "2022-11-30T16:10:11",
"content": "Kudos on the shout out to Chia, the most decentralized and secure cryptocurrency blockchain in the world.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6541984... | 1,760,372,480.296571 | ||
https://hackaday.com/2022/11/30/making-3d-print-time-lapses-with-old-earphones-and-a-few-spare-parts/ | Making 3D Print Time-lapses With Old Earphones And A Few Spare Parts | Donald Papp | [
"3d Printer hacks"
] | [
"3d printer",
"selfie stick",
"timelapse",
"timelapse 3d printing"
] | The trick to producing great 3D printing time-lapse animations is to ensure that the extruder has moved out of the frame each time a photo is taken — which usually requires OctoPrint to be controlling both the camera and printer. But [NirL] managed to bodge up a system to get the same result with
a spare limit switch, ... | 18 | 6 | [
{
"comment_id": "6540793",
"author": "Hal H",
"timestamp": "2022-11-30T13:19:11",
"content": "Always wondered what good might become of that old android phone i have laying around. This looks like a simple project. Would probably need to 3d print a phone holder or is an independent tripod better?And... | 1,760,372,480.359289 | ||
https://hackaday.com/2022/11/30/acrylic-light-puzzle-has-a-point/ | Acrylic Light Puzzle Has A Point | Matthew Carlson | [
"Art"
] | [
"acrylic laser cutter",
"lasercutting",
"puzzle"
] | [JBV Creative] recently became a proud owner of a laser cutter and, like most of us, started to think about what they could make with it. The answer was simple, a clever little
piece of art or puzzle made of stacked acrylic
.
He created some text and extruded it from a single point, but not every part intersected with ... | 4 | 4 | [
{
"comment_id": "6540713",
"author": "piachoo",
"timestamp": "2022-11-30T10:40:19",
"content": "The concept is perfectly clear to me, I like concise messages",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6541043",
"author": "UnderSampled",
"timestamp"... | 1,760,372,480.3991 | ||
https://hackaday.com/2022/11/29/tiny-3d-printed-ho-scale-escalator-that-works/ | Tiny 3D Printed HO Scale Escalator That Works | Anne Ogborn | [
"News",
"Toy Hacks"
] | [
"3dprinting",
"escalator"
] | [Luke Towan] has a cool
HO scale Escalator
mostly made of 3D printed parts, with some laser cut acrylic, for a station on his HO model railroad.
Escalators are mesmerizing to watch – there’s something magical about the stairs unfolding at the bottom and folding up at the top. But they’re very hard to model.
[Luke Towan... | 25 | 10 | [
{
"comment_id": "6540657",
"author": "piachoo",
"timestamp": "2022-11-30T08:54:20",
"content": "it is “H-zero” not “H-oh”!awesome work nonetheless!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6540696",
"author": "Pablo",
"timestamp": "2022... | 1,760,372,480.464426 | ||
https://hackaday.com/2022/11/29/prototyping-the-prototype/ | Prototyping The Prototype | Bryan Cockfield | [
"Software Development"
] | [
"breadboard",
"Concept",
"crumb",
"educational",
"prototype",
"software"
] | For basic prototyping, the go-to tool to piece together a functioning circuit is the breadboard. It’s a great way to prove a concept works before spending money and time on a PCB. For more complex tasks we can make use of simulation software such as SPICE. But there hasn’t really been a tool to blend these two concepts... | 28 | 9 | [
{
"comment_id": "6540649",
"author": "cdilla",
"timestamp": "2022-11-30T08:38:18",
"content": "Looks interesting but the lack of free desktop trial and odd targeting of mobile platforms puts me off. Anyway, I bookmarked the site forum to see what happens in the future, so thanks for the article.",
... | 1,760,372,480.683008 | ||
https://hackaday.com/2022/11/29/interfacing-an-old-engine-cowl-flaps-indicator-to-usb/ | Interfacing An Old Engine Cowl Flaps Indicator To USB | Dave Rowntree | [
"classic hacks"
] | [
"aircraft",
"digital potentiometer",
"dotnet",
"general electric",
"indicator",
"magnetic",
"PIC16f1459",
"selsyn",
"usb"
] | [Glen Akins] had a WW2-era aircraft engine cowl flap indicator lying around (as you do) and thought it would make a jolly fine USB-attached indicator. The model in question is a General Electric model 8DJ4PBV DC Selsyn, which was intended for four-engined aircraft. For those not familiar with the purpose [Glen] explain... | 9 | 5 | [
{
"comment_id": "6540423",
"author": "some guy",
"timestamp": "2022-11-30T01:16:44",
"content": "Typo in the blog post and this article: The pots are called MCP41HV31 (4 and then 3).https://www.microchip.com/en-us/product/MCP41HV31",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,480.559175 | ||
https://hackaday.com/2022/11/29/this-electric-outboard-conversion-makes-for-a-quiet-day-on-the-water/ | This Electric Outboard Conversion Makes For A Quiet Day On The Water | Dan Maloney | [
"Transportation Hacks"
] | [
"BLDC",
"boat",
"ev",
"ice",
"motor",
"propellor",
"stator"
] | Nothing beats a day on the lake in a little boat with an outboard motor putt-putting along behind you. It’s great fun, if perhaps a little noisy with all that putting going on. And maybe that oily sheen on the water in your wake is not so nice. it could be that the fish are a little annoyed with your putting, too. Come... | 21 | 11 | [
{
"comment_id": "6540271",
"author": "Darren",
"timestamp": "2022-11-29T21:20:16",
"content": "I’m wondering why the original drive shaft wasn’t used with the motor kept under the cowling.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6540285",
"aut... | 1,760,372,480.616799 | ||
https://hackaday.com/2022/11/29/aesthetic-pcb-design-tips-for-improved-functionality/ | Aesthetic PCB Design Tips For Improved Functionality | Dave Rowntree | [
"hardware"
] | [
"aesthetics",
"emc",
"pcb",
"solderability",
"yield"
] | Those of us hardware types that spend a lot of time designing PCBs will often look at other peoples’ designs with interest, and in some cases, considerable admiration. Some of their boards just look so good. But are aesthetics important? After all, for most products, the delicate electronic components on that PCB are t... | 9 | 4 | [
{
"comment_id": "6540201",
"author": "mnidtj",
"timestamp": "2022-11-29T19:42:03",
"content": "And of course that’s a fully licensed version of Altium, which costs as much as a new Miata… yeah right 😂",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6540235",... | 1,760,372,480.72695 | ||
https://hackaday.com/2022/11/29/weird-energy-storage-solutions-could-help-the-grid-go-renewable/ | Weird Energy Storage Solutions Could Help The Grid Go Renewable | Lewin Day | [
"green hacks",
"Hackaday Columns",
"Slider"
] | [
"carbon dioxide",
"flow battery",
"grid storage",
"renewable energy",
"storage"
] | We’re all familiar with batteries. Whether we’re talking about disposable AAs in the TV remote, or giant facilities full of rechargeable cells to store power for the grid, they’re a part of our daily lives and well understood.
However, new technologies for storing energy are on the horizon for grid storage purposes, an... | 122 | 19 | [
{
"comment_id": "6540103",
"author": "dhrni",
"timestamp": "2022-11-29T18:19:44",
"content": "A shipping container full of batteries can deliver 50kW. Same container filled with diesel generator could provide 400-700 kW constant power.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,481.54982 | ||
https://hackaday.com/2022/11/29/standing-desk-with-a-clever-flair/ | Standing Desk With A Clever Flair | Matthew Carlson | [
"home hacks"
] | [
"kerf cutting",
"plywood",
"standing desk",
"woodworking"
] | Standing desks (also known as sit-stand desks) are somewhat polarizing. The height is adjustable, but the idea is that you move between sitting and standing while you work. Hundreds of manufacturers are out there, but they’re all the same. Two metal legs that extend and one or more motors to move the legs up and down. ... | 27 | 10 | [
{
"comment_id": "6540050",
"author": "macsimski",
"timestamp": "2022-11-29T16:44:03",
"content": "Curved, so actually 20cm less usable than space needed..But nice finish anyway. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6540060",
"author": "Paul",
... | 1,760,372,481.178951 | ||
https://hackaday.com/2022/11/29/vr-sickness-a-new-old-problem/ | VR Sickness: A New, Old Problem | Donald Papp | [
"Featured",
"Interest",
"Original Art",
"Slider",
"Virtual Reality"
] | [
"balance",
"motion sickness",
"vestibular",
"virtual reality",
"vr",
"VR sickness"
] | Have you ever experienced dizziness, vertigo, or nausea while in a virtual reality experience? That’s VR sickness, and it’s a form of motion sickness. It is not a completely solved problem, and it affects people differently, but it all comes from the same root cause, and there are better and worse ways of dealing with ... | 56 | 22 | [
{
"comment_id": "6539975",
"author": "Andrea Campanella",
"timestamp": "2022-11-29T15:05:49",
"content": "I have been trying a Valve Index for a month, I had this distinct feeling while using the jetpack in No Man’s Sky.I think I should be able to adapt to it, it got easier already",
"parent_id"... | 1,760,372,481.081578 | ||
https://hackaday.com/2022/11/29/diy-self-assembling-4d-printing/ | DIY Self-Assembling 4D Printing | Al Williams | [
"3d Printer hacks"
] | [
"4D printing",
"PLA",
"PVA",
"TPU"
] | A 4D printed object is like a 3D printed object, but it changes shape or self-assembles when its environment changes. [Teaching Tech] has been reading about this technology and decided to try to
replicate it using his conventional 3D printer.
His attempts to make a joint that changes when submerged in the water looked ... | 5 | 3 | [
{
"comment_id": "6539887",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-11-29T12:45:10",
"content": "Use a sugar cube to lock the hinge open until it is submerged.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6539906",
"autho... | 1,760,372,481.118696 | ||
https://hackaday.com/2022/11/29/a-handy-guide-to-the-humble-bbs/ | A Handy Guide To The Humble BBS | Bryan Cockfield | [
"Retrocomputing"
] | [
"antique",
"bbs",
"bulletin board",
"guide",
"how-to",
"internet",
"retro",
"retrocomputing",
"telnet"
] | Some of us who’ve been online since the early days fondly remember the web of yore — with its flashing banners, wildly distracting backgrounds, and automatic side-scrolling text. But there was a time before the worldwide web and the Internet as we recognize it today, and the way of communicating in this before-time was... | 35 | 18 | [
{
"comment_id": "6539762",
"author": "daveboltman",
"timestamp": "2022-11-29T09:22:26",
"content": "“the BBSes still in service”? Oh that’s interesting! Now I wish I hadn’t thrown my 56K dialup modems away then. Oh wait – I might still have a US Robotics one in my parts bin…. But then I got rid of m... | 1,760,372,481.324598 | ||
https://hackaday.com/2022/11/28/i-see-by-your-tattoo-that-you-are-a-hacker/ | I See By Your Tattoo That You Are A Hacker | Anne Ogborn | [
"Wearable Hacks"
] | [
"555",
"body art",
"tattoo"
] | We spotted [Segfault]’s new tattoo on a fast failing bird app a few days ago. We thought it was nice looking piece of skin art, but without a write up couldn’t cover it. The bearer of the tattoo pointed us to
this blog post about the tattoo
, and now we
really
like it.
It’s fun on it’s own, but when you start staring a... | 38 | 16 | [
{
"comment_id": "6539669",
"author": "Hitomi",
"timestamp": "2022-11-29T06:19:58",
"content": "Cool for them but bodyhacking and tattoos make me uncomfortable and get mixed feelings :(",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6540213",
"author"... | 1,760,372,481.249739 | ||
https://hackaday.com/2022/11/28/taking-distance-based-cad-to-the-next-level/ | Taking Distance Based CAD To The Next Level | Matthew Carlson | [
"3d Printer hacks",
"Parts",
"Software Hacks"
] | [
"3d modeling",
"SDF",
"sdfx",
"stl"
] | For those who model CAD models regularly, a pair of calipers is essential as it allows reasonably accurate measurements to fit a specific part. However, [Jason Harris] is taking that concept to the next level with a
signed distance function-based CAD tool, SDFX
.
For those who don’t know, Signed Distance Functions can ... | 25 | 9 | [
{
"comment_id": "6539685",
"author": "Jake",
"timestamp": "2022-11-29T06:59:32",
"content": "I think it’d be better to link to the Github directly instead of the hackaday.io page; I just spent 5 mins looking for anything of substance on the .io page before resorting to Google. It was only after rea... | 1,760,372,481.387999 | ||
https://hackaday.com/2022/11/28/a-modchip-to-root-starlink-user-terminal-through-voltage-glitching/ | A Modchip To Root Starlink User Terminals Through Voltage Glitching | Arya Voronova | [
"Raspberry Pi",
"Reverse Engineering",
"Security Hacks"
] | [
"mod chip",
"modchip",
"rp2040",
"voltage glitch",
"voltage glitching"
] | A modchip is a small PCB that mounts directly on a larger board, tapping into points on that board to make it do something it wasn’t meant to do. We’ve typically seen modchips used with gaming consoles of yore, bypassing DRM protections in a way that a software hacks couldn’t quite do. As software complexity and theref... | 37 | 14 | [
{
"comment_id": "6539478",
"author": "Comedicles",
"timestamp": "2022-11-29T00:33:10",
"content": "Why?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6539620",
"author": "MrChristian",
"timestamp": "2022-11-29T04:54:05",
"content": "... | 1,760,372,481.682824 | ||
https://hackaday.com/2022/11/28/desktop-sized-fully-automatic-loom-is-an-electromechanical-marvel/ | Desktop-Sized Fully Automatic Loom Is An Electromechanical Marvel | Robin Kearey | [
"Tool Hacks"
] | [
"dobby loom",
"loom"
] | Weaving is one of the oldest crafts in the world, and was also among the first to be automated: the Industrial Revolution was in large part driven by developments in loom technology. [Roger de Meester] decided to recreate that part of the industry’s history, in a way, by building
his own desktop-sized, fully automatic ... | 22 | 8 | [
{
"comment_id": "6539366",
"author": "KC",
"timestamp": "2022-11-28T21:26:53",
"content": "I was a copy machine repair tech in college and I thought moving paper a sheet at a time was one of the hardest things a machine could do repeatedly in a hurry.I humbly stand corrected.",
"parent_id": null... | 1,760,372,481.612804 |
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