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https://hackaday.com/2021/06/15/a-smart-light-bulb-running-doom-is-a-pretty-bright-idea/ | A Smart Light Bulb Running Doom Is A Pretty Bright Idea | Dan Maloney | [
"Games"
] | [
"doom",
"ikea",
"QSPI",
"Smart Bulb",
"tradfri"
] | A light bulb might seem like an unlikely platform for gaming, but we’re living in the future now, so anything is possible. And with enough know-how, it turns out that
an RGB light bulb can indeed be modified to run Doom
.
[Ed note: The project pages and video got pulled right when this went to press. Nicola received a ... | 22 | 8 | [
{
"comment_id": "6356991",
"author": "Gav",
"timestamp": "2021-06-15T11:03:51",
"content": "Video unavailable and link to hackaday.io is broken. Shame as I was quite interested in this…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6356995",
"author": "Ex... | 1,760,373,052.902093 | ||
https://hackaday.com/2021/06/15/spam-caught-in-a-tin-of-spam/ | Spam Caught, In A Tin Of Spam | Jenny List | [
"computer hacks"
] | [
"orangepi",
"Pi-hole",
"spam"
] | We’ve seen many inventive enclosures for single board computers over the years: some are decorative, others utilitarian, and yet more tailored to an application.
This one from [Daniel Hepper] manages to be all three:
a practical enclosure for an OrangePi Zero LTS running the PiHole web spam filter, enclosed in a seemin... | 19 | 7 | [
{
"comment_id": "6356977",
"author": "Nikolai",
"timestamp": "2021-06-15T08:49:35",
"content": "In Korea you can buy SPAM with a plastic lid. I got 2 cans just for the lids. In Korea SPAM is a big deal. You can also get a SPAM gift set.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,052.957759 | ||
https://hackaday.com/2021/06/14/z80-family-reunion-discovered-in-old-pos-card-swiper/ | Z80 Family Reunion Discovered In Old PoS Card Swiper | Chris Lott | [
"hardware",
"Microcontrollers"
] | [
"card swipe",
"embedded board",
"goodwill",
"vfd",
"z80"
] | [Ben Heck] found an old card-swipe point-of-sale box at the Goodwill store, took it home, and
tore it down to see what was inside
. He found a completely serviceable single board computer based on the Z80. In fact, there’s a whole family of four Z80 chips: the CPU itself, the DART chip (dual UART), the PIO chip (parall... | 19 | 12 | [
{
"comment_id": "6356941",
"author": "Ethan Dicks",
"timestamp": "2021-06-15T05:12:27",
"content": "Found? That credit card terminals use Z-80s isn’t news. CP/M was running on one at VCF Midwest seven years ago.http://randomvariations.com/2014/09/19/cpm-running-on-a-credit-card-terminal/",
"pa... | 1,760,373,053.104492 | ||
https://hackaday.com/2021/06/14/smooth-3d-prints-with-alcohol/ | Smooth 3D Prints With Alcohol | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"layer lines",
"polysmooth",
"print smoothing"
] | There was a time when most 3D printers used ABS, which is a great plastic for toughness, but is hard to print with since it tends to warp. Worse still, it stinks and the fumes may be bad for you. Most people have switched over to printing in PLA these days, but one thing you might miss with this more forgiving plastic ... | 26 | 9 | [
{
"comment_id": "6356916",
"author": "Edward Nardella",
"timestamp": "2021-06-15T02:19:54",
"content": "> soak the part clean to avoid thatSoak in what, water? Doesn’t alcohol displace water? Isn’t it used by pros to help dry things!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,053.580203 | ||
https://hackaday.com/2021/06/14/friendly-webcam-robot-keeps-an-eye-on-privacy/ | Friendly Webcam Robot Keeps An Eye On Privacy | Kristina Panos | [
"Lifehacks",
"Peripherals Hacks"
] | [
"eyeball",
"privacy",
"servo",
"webcam"
] | Wouldn’t it be nice if every webcam had a hardware switch? Especially for those built-in webcams like the one in your laptop. Since they don’t have switches yet, we’re just stuck trying to remember to turn them off or re-apply the sticker after every meeting. [Becky Stern] was tired of trying to remember to blind the a... | 8 | 5 | [
{
"comment_id": "6356896",
"author": "Hirudinea",
"timestamp": "2021-06-14T23:34:38",
"content": "I don’t know if it’s any better than a piece of tape but it’s a hell of a lot cuter (or is that creepier)! I just want to know where the eyelashes are?",
"parent_id": null,
"depth": 1,
"repl... | 1,760,373,053.047031 | ||
https://hackaday.com/2021/06/14/custom-firmware-teaches-usb-relay-board-new-tricks/ | Custom Firmware Teaches USB Relay Board New Tricks | Tom Nardi | [
"ATtiny Hacks",
"Peripherals Hacks"
] | [
"attiny45",
"custom firmware",
"relay",
"usb"
] | If you’re looking for a quick and easy way to control a few devices from your computer, a cheap USB relay board might be the ideal solution. These are fairly simple gadgets, consisting of little more than a microcontroller and a handful of relays. But that doesn’t mean there isn’t room for improvement, and as [Michał S... | 15 | 4 | [
{
"comment_id": "6356867",
"author": "𐂀 𐂅",
"timestamp": "2021-06-14T21:20:16",
"content": "So Michał decided that they were set up the Hong Wei and needed to be fixed?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6356880",
"author": "Tom Hargrav... | 1,760,373,053.517686 | ||
https://hackaday.com/2021/06/14/digital-x-ray-scanner-teardown-yields-bounty-of-engineering-goodies/ | Digital X-Ray Scanner Teardown Yields Bounty Of Engineering Goodies | Dan Maloney | [
"Medical Hacks",
"Teardown"
] | [
"acrylic",
"laser",
"light pipe",
"medical",
"photomultiplier",
"PM",
"Radiography",
"scanner",
"scintillation",
"x-ray"
] | We’ll just go ahead and say it right up front: we love teardowns. Ripping into old gear and seeing how engineers solved problems — or didn’t — is endlessly fascinating, even for everyday devices like printers and radios. But where teardowns really get interesting is when the target is something so odd and so specialize... | 12 | 3 | [
{
"comment_id": "6356837",
"author": "Mads Barnkob",
"timestamp": "2021-06-14T19:27:54",
"content": "Thank you very much for featuring some of my work :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6356939",
"author": "PWalsh",
"timestamp"... | 1,760,373,053.408376 | ||
https://hackaday.com/2021/06/14/building-blocks-relating-mechanical-elements-to-electronic-components/ | Building Blocks: Relating Mechanical Elements To Electronic Components | Adam Zeloof | [
"Hackaday Columns",
"Original Art",
"Slider"
] | [
"differential equations",
"electronics",
"fundamentals",
"mechanical engineering",
"physics"
] | Ask any electronics hobbyist or professional what the simplest building blocks of electronic circuits are, and they’ll undoubtedly say resistors, capacitors, and inductors. Ask a mechanically-inclined person the same question about their field and the answer will probably be less straightforward. Springs would make the... | 16 | 10 | [
{
"comment_id": "6356810",
"author": "Michael",
"timestamp": "2021-06-14T17:23:06",
"content": "Physics is physics.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6356813",
"author": "Michael",
"timestamp": "2021-06-14T17:43:51",
"content": "Hmmm… ... | 1,760,373,053.166433 | ||
https://hackaday.com/2021/06/14/todays-challenge-is-all-about-work-from-home-life/ | Today’s Challenge Is All About Work-From-Home Life | Mike Szczys | [
"contests",
"home hacks",
"The Hackaday Prize"
] | [
"2021 Hackaday Prize",
"work from home"
] | You sure do learn a lot when life suddenly makes it impossible to go into the office and asks that you instead do the same work remotely. Sure, there are the obvious challenges like needing a device to do the work on and an internet connection that’s not going to melt down when family or roommates are trying to Zoom at... | 10 | 5 | [
{
"comment_id": "6356815",
"author": "Home Forever",
"timestamp": "2021-06-14T17:48:28",
"content": "The only work at home challenge I have to solve is how to convince the boss to make it permanent.I’m not a natural morning person. Hours are still the same here at home but cutting out the commute me... | 1,760,373,053.457778 | ||
https://hackaday.com/2021/06/14/alexa-bring-me-a-beer/ | Alexa, Bring Me A Beer! | Jenny List | [
"Beer Hacks",
"home hacks"
] | [
"alexa",
"beer",
"beer delivery",
"beer robot"
] | Voice controlled home assistants are the wonder of our age, once you’ve made peace with the privacy concerns of sharing the intimacies of your life with a data centre owned by a massive corporation, anyway. They provide a taste of how the future was supposed to be in those optimistic predictions of decades past: Alexa ... | 11 | 5 | [
{
"comment_id": "6356808",
"author": "Phil",
"timestamp": "2021-06-14T17:07:20",
"content": "OK. Next language on Duolingo is German. If Alexa delivers beer when commanded in that language, well worth it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "635683... | 1,760,373,053.001548 | ||
https://hackaday.com/2021/06/14/rhisotope-addressing-poaching-by-making-rhinoceros-horns-radioactive/ | Rhisotope: Addressing Poaching By Making Rhinoceros Horns Radioactive | Maya Posch | [
"Featured",
"Interest",
"News",
"Science",
"Slider"
] | [
"poaching",
"Rhinoceros",
"rhisotope",
"wildlife conservation"
] | There is no question that poaching has become an existential threat to the five species of rhinoceros alive today. Even the wildlife reserves where most rhinos live struggle to provide protection from the wanton and cruel poaching of the world’s last remaining rhinos.
Poachers are generally looking to sell the horns wh... | 52 | 18 | [
{
"comment_id": "6356769",
"author": "Todd3465",
"timestamp": "2021-06-14T14:26:06",
"content": "“Presumably the radioisotope that would be picked would be a Gamma or Beta emitter”Interesting, So Rhinos are immune to the effects of these radioactive emissions?",
"parent_id": null,
"depth": 1... | 1,760,373,053.851511 | ||
https://hackaday.com/2021/06/14/game-boy-macro-build-retains-ds-compatibility/ | Game Boy Macro Build Retains DS Compatibility | Tom Nardi | [
"Nintendo DS Hacks"
] | [
"game boy advance",
"Game Boy Macro",
"Nintendo DS"
] | Building a so-called “Game Boy Macro” is a great way to salvage a Nintendo DS that has a broken hinge or top screen, as the system only needs the lower display to play Game Boy Advance games. Naturally, DS games that were designed to use both screens would no longer be playable. Or at least, that’s what we thought. But... | 9 | 5 | [
{
"comment_id": "6356788",
"author": "Charles",
"timestamp": "2021-06-14T15:28:38",
"content": "I passed along my original red DS long ago, but this is exactly the sort of hack I would have been interested in. I even saw a GB Macro being sold in a used game shop last week, I love the reuse of the h... | 1,760,373,053.716891 | ||
https://hackaday.com/2021/06/14/recore-hacks-the-hidden-microcontroller-for-3d-printing/ | Recore Hacks The Hidden Microcontroller For 3D Printing | Chris Lott | [
"3d Printer hacks"
] | [
"3D printer controller board",
"Allwinner A64",
"klipper",
"Octoprint",
"OpenRISC"
] | No stranger to the world of 3D printers, [Elias Bakken] from the [Intelligent Agent] workshop has released a new
controller board called Recore
. The typical 3D printer has a dedicated controller which handles the real-time aspects of driving stepper motors. Many setups also have a second computer, often Linux-based, w... | 24 | 9 | [
{
"comment_id": "6356704",
"author": "John",
"timestamp": "2021-06-14T08:58:34",
"content": "“We’re jealous of the well-appointed [Intelligent Agent] facility in Norway, but even more so of the nomadic lifestyle that [Elias] appears to enjoy — in his videos, he can be seen working from far-flung loc... | 1,760,373,053.943203 | ||
https://hackaday.com/2021/06/13/you-have-about-four-months-to-find-a-lost-satellite/ | You Have About Four Months To Find A Lost Satellite | Jenny List | [
"Space"
] | [
"anniversary",
"Black Arrow",
"Prospero",
"satellite",
"space"
] | In the annals of technical achievement originating from the United Kingdom there lies a forgotten success story that should have led to greater things but instead became a dead-end even before it had happened. We’re referring of course to
Prospero
, a British satellite that holds the honour of being the only one to hav... | 10 | 7 | [
{
"comment_id": "6356661",
"author": "Stephen Walters",
"timestamp": "2021-06-14T05:39:46",
"content": "Found it!https://www.youtube.com/watch?v=5UYPB2fplOEOK, not me…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6356673",
"author": "behle",
... | 1,760,373,053.632773 | ||
https://hackaday.com/2021/06/13/gesture-detecting-macro-keyboard-knows-what-you-want/ | Gesture-Detecting Macro Keyboard Knows What You Want | Kristina Panos | [
"Peripherals Hacks"
] | [
"ble",
"ESP32",
"gesture control",
"oled",
"tensor",
"tensor flow"
] | [jakkra] bought a couple of capacitive touchpads from a Kickstarter a few years ago and recently got around to using them in a project. And what a project it is:
this super macro pad combines two touchpads with a 6-pack of regular switches for a deluxe gesture-sensing input device
.
Inside is an ESP32 running TensorFlo... | 7 | 4 | [
{
"comment_id": "6356645",
"author": "Gravis",
"timestamp": "2021-06-14T03:57:12",
"content": "Just call it, “How to tell people you’re a programmer without telling people you’re a programmer”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6356741",
"auth... | 1,760,373,054.734485 | ||
https://hackaday.com/2021/06/13/hackaday-links-june-13-2021/ | Hackaday Links: June 13, 2021 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"altium",
"AT command",
"autodesk",
"eda",
"hackaday links",
"hayes",
"Kickstarer",
"MEMS",
"modem",
"NFC",
"polysilicon",
"sensor",
"siloxane"
] | When someone offers to write you a check for $5 billion for your company, it seems like a good idea to take it. But in the world of corporate acquisitions and mergers, that’s not always the case, as
Altium proved this week when they rebuffed a A$38.50 per share offer from Autodesk
. Altium Ltd., the Australian company ... | 6 | 4 | [
{
"comment_id": "6356611",
"author": "Gary",
"timestamp": "2021-06-14T00:31:59",
"content": "“We’re saddened to learn of the passing of Dale Heatherington last week”.,Me too,But ” ATH0, Dale”.,That’s a little harsh!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,373,053.760817 | ||
https://hackaday.com/2021/06/13/sawdust-printer-goes-against-the-grain-by-working-with-wood-waste/ | Sawdust Printer Goes Against The Grain By Working With Wood Waste | Kristina Panos | [
"3d Printer hacks",
"green hacks"
] | [
"Additive Manufacturing",
"binder jetting",
"cellulose dust",
"glue",
"lignin",
"sawdust"
] | Wood-infused filament has been around for awhile now, and while it can be used to create some fairly impressive pieces, the finished product won’t fool the astute observer. For one thing, there’s no grain to it (not that every piece needs to show grain). For another, you can’t really throw it on a fire for emergency he... | 28 | 11 | [
{
"comment_id": "6356576",
"author": "Matt Cramer",
"timestamp": "2021-06-13T20:43:35",
"content": "I have real misgivings about the strength too. This sounds like printing particle board. And particle board has so many ways to fail that there is only one reason I don’t believe Satan invented it in ... | 1,760,373,054.12965 | ||
https://hackaday.com/2021/06/12/macro-model-makes-atomic-force-microscopy-easier-to-understand/ | Macro Model Makes Atomic Force Microscopy Easier To Understand | Dan Maloney | [
"Misc Hacks",
"Science"
] | [
"AFM",
"atomic force microscope",
"coil",
"MEMS",
"microscope",
"nano",
"probe"
] | For anyone that’s fiddled around with a magnifying glass, it’s pretty easy to understand how optical microscopes work. And as microscopes are just an elaboration on a simple hand lens, so too are electron microscopes an elaboration on the optical kind, with electrons and magnets standing in for light and lenses. But at... | 6 | 4 | [
{
"comment_id": "6356365",
"author": "CityZen",
"timestamp": "2021-06-13T02:52:16",
"content": "I didn’t realize that a modern AFM has been shrunk down to nearly a handheld device. Most of the AFM has been made using MEMS, which is pretty cool.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,373,054.170497 | ||
https://hackaday.com/2021/06/12/hacking-the-lidl-home-gateway/ | Hacking The Lidl Home Gateway | Jenny List | [
"home hacks",
"Microcontrollers"
] | [
"lidl home gateway",
"router",
"router hacking",
"zigbee"
] | For years, Europeans have been browsing the central aisles of the German Aldi and Lidl supermarket chains, attracted by the surprising variety of transitory non-grocery bargains to be found there. There are plenty of temptations for hackers, and alongside the barbecues and Parkside tools at Lidl last year was a range o... | 21 | 7 | [
{
"comment_id": "6356234",
"author": "cdilla",
"timestamp": "2021-06-12T17:22:18",
"content": "The Battle of Lidl & Aldi springs immediately mind :-)https://youtu.be/cL7jyXCQ2Zc",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6356271",
"author": "Erb"... | 1,760,373,054.286677 | ||
https://hackaday.com/2021/06/12/what-every-geek-must-know/ | What Every Geek Must Know | Elliot Williams | [
"Hackaday Columns",
"Slider"
] | [
"cryptonomicon",
"Cthulhu",
"Culture",
"dune",
"newsletter",
"star trek",
"star wars",
"starcraft"
] | How is it possible that there’s a
geek culture
? I mean, it’s one thing to assume that all folks of a nerdy enough bent will know a little Ohm’s law, can fake their way through enough quantum mechanics to at least be interesting at a cocktail party, and might even have a favorite mnemonic for the resistor colors or the... | 176 | 50 | [
{
"comment_id": "6356190",
"author": "deshipu",
"timestamp": "2021-06-12T14:16:36",
"content": "My recommendation is a series of SciFi books by James White, about his Hospital General, a multi-species space hospital. White is one of the few optimistic and pacifist SciFi writers, and the medical dram... | 1,760,373,054.552476 | ||
https://hackaday.com/2021/06/12/raspberry-pi-zero-takes-the-wheel-in-miniature-fighting-robot/ | Raspberry Pi Zero Takes The Wheel In Miniature Fighting Robot | Tom Nardi | [
"Raspberry Pi",
"Robots Hacks"
] | [
"battle bot",
"battlebots",
"bluetooth",
"combat robot",
"L298N",
"pi zero",
"python"
] | Looking to capitalize on his familiarity with the Raspberry Pi,
[Sebastian Zen Tatum] decided to put the diminutive Pi Zero at the heart of his “antweight” fighting robot,
$hmoney
. While it sounds like there were a few bumps in the road early on, the tuxedoed bot took home awards from the recent Houston Mayhem 2021 co... | 17 | 6 | [
{
"comment_id": "6356175",
"author": "Foldi-One",
"timestamp": "2021-06-12T11:49:26",
"content": "Be more fun if it was ‘autonomous’ – there’s easily enough grunt in the zero to run opencv and simply identify what isn’t arena and attack it.. I’ve never seen arena hazards in anything so lightweight..... | 1,760,373,054.23024 | ||
https://hackaday.com/2021/06/12/magnets-how-do-they-work-on-3d-printers/ | A 3D Printer With An Electromagnetic Tool Changer | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3d printer",
"change",
"core xy",
"electromagnet",
"magnet",
"printer",
"tool"
] | The versatility of 3D printers is simply amazing. Capable of producing a wide variety of prototypes, miscellaneous parts, artwork, and even other 3D printers, it’s an excellent addition to any shop or makerspace. The smaller, more inexpensive printers might do one type of printing well with a single tool, but if you re... | 19 | 6 | [
{
"comment_id": "6356148",
"author": "Oliver",
"timestamp": "2021-06-12T09:32:14",
"content": "Such a cool product!! when can I buy one?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6356164",
"author": "Mart",
"timestamp": "2021-06-12T10:58:21",
... | 1,760,373,054.340052 | ||
https://hackaday.com/2021/06/11/tv-ambient-lighting-built-for-awesome-performance/ | TV Ambient Lighting Built For Awesome Performance | Lewin Day | [
"Raspberry Pi"
] | [
"ambilight",
"hdcp",
"hdmi",
"raspberry pi",
"television"
] | [AndrewMohawk] had seen all kinds of ambient lighting systems for TVs come and go over the years, and the one thing they all had in common was that they didn’t live up to his high standards. Armed with the tools of the hacker trade,
he set about building an Ambilight-type system of his own that truly delivered the good... | 36 | 10 | [
{
"comment_id": "6356129",
"author": "bung",
"timestamp": "2021-06-12T05:24:07",
"content": "Whats wrong with Hyperion ? Mine runs at 30fps no problem.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6356135",
"author": "AndrewMohawk",
"timest... | 1,760,373,054.626833 | ||
https://hackaday.com/2021/06/11/balloon-antenna-doesnt-need-a-tower/ | Balloon Antenna Doesn’t Need A Tower | Al Williams | [
"Radio Hacks"
] | [
"antenna",
"antenna tuner",
"balloon",
"BPSK31",
"ham radio",
"PSK31",
"radio"
] | What do you do with floral wire and balloons from Dollar Tree? If you are [Ham Radio Crash Course],
you make a ham radio antenna
. Floral wire is conductive, and using one piece as a literal sky hook and the other as a ground wire, it should do something. He did use, as you might expect, a tuner to match the random wir... | 26 | 9 | [
{
"comment_id": "6356119",
"author": "reg",
"timestamp": "2021-06-12T03:40:20",
"content": "Seems like a waste of helium to me. Wire is heavy, and the balloons are tuned to just be buoyant enough to float. Many years ago when I was in college there was a restaurant that had gigantic margaritas tha... | 1,760,373,054.689879 | ||
https://hackaday.com/2021/06/13/translate-your-cp-m-code-to-8086-and-leave-the-1970s-behind/ | Translate Your CP/M Code To 8086, And Leave The 1970s Behind! | Jenny List | [
"Retrocomputing",
"Software Development"
] | [
"8088",
"CP/M",
"ms-dos",
"pcjam"
] | “Bring our home computing out of the 1970s and into the 1980s and beyond” is the irresistible promise made by the creator of
8088ify
, a piece of software which translates CP/M executables from their 8080-based originals to assembler code that should run on an 8088 under MS/DOS. How can we resist such a futuristic prom... | 34 | 10 | [
{
"comment_id": "6356506",
"author": "JWhitten",
"timestamp": "2021-06-13T17:33:54",
"content": "I remember CP/M quite well– not certain if it’s “fondly”, but I certainly used it long enough. Does anybody still use CP/M these days for anything non-hobby related? Are there still pockets of commercial... | 1,760,373,054.802212 | ||
https://hackaday.com/2021/06/13/roller-skating-wile-e-coyote-style/ | Roller Skating, Wile E. Coyote-Style | Kristina Panos | [
"Transportation Hacks",
"Wearable Hacks"
] | [
"jet engine",
"jet pack",
"jetpack",
"oled",
"Radiofruit",
"roller skates"
] | They say you learn something new every day, and they’re usually right about that. Today’s tidbit is that just anybody (including [Ian Charnas]) can exchange money for jet engines, no questions asked. Scary, huh? So once [Ian] secured the cutest little engine, he took a poll regarding possible uses for it.
Jetpack rolle... | 36 | 13 | [
{
"comment_id": "6356479",
"author": "Ostracus",
"timestamp": "2021-06-13T15:06:32",
"content": "Never did catch the roadrunner.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6356516",
"author": "Ian Charnas",
"timestamp": "2021-06-13T18:05:... | 1,760,373,054.916966 | ||
https://hackaday.com/2021/06/13/mickeys-big-timer-makes-glider-competitions-better/ | Mickey’s Big Timer Makes Glider Competitions Better | Lewin Day | [
"LED Hacks",
"Microcontrollers"
] | [
"glider",
"led matrix",
"scoreboard",
"stm32",
"timer"
] | There’s plenty of obscure sports in the world. Many of them could benefit from bespoke equipment like scoring displays, but are too obscure to support commercial efforts in this regard. Radio controlled glider competitions fit into just this category.
This led a man named [Mickey] to develop what he calls Mickey’s Big ... | 2 | 2 | [
{
"comment_id": "6356468",
"author": "Garth Bock",
"timestamp": "2021-06-13T13:50:01",
"content": "Wow ! This is a fantastic build !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6356512",
"author": "David Braam",
"timestamp": "2021-06-13T17:56:25",
... | 1,760,373,054.842547 | ||
https://hackaday.com/2021/06/13/super-mario-bros-35-lives-again-with-a-fan-made-server/ | Super Mario Bros. 35Lives Again With A Fan-Made Server | Jenny List | [
"Nintendo Hacks",
"Software Hacks"
] | [
"game server",
"Mario Bros",
"Nintendo Switch",
"reverse engineering"
] | If you liked playing
Super Mario Bros. 35
, the unique multiplayer battle royale
Mario
game that Nintendo released last year on the Switch to celebrate 35 years since the original NES version of
Super Mario Bros
, then it’s likely that you have been disappointed since April. The gaming giant ended support and removed t... | 27 | 7 | [
{
"comment_id": "6356421",
"author": "Eric Chapin",
"timestamp": "2021-06-13T08:53:30",
"content": "I’d play em a lot while it’s up, Nintendo’s lawyers are probably foaming at their mouth over another “illegal” stuff behind Nintendo’s back.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,054.980032 | ||
https://hackaday.com/2021/06/12/waterslide-decals-for-wingding-keycaps/ | Waterslide Decals For Wingding Keycaps | Kristina Panos | [
"how-to",
"Peripherals Hacks"
] | [
"custom keycaps",
"keycap legends",
"keycaps",
"water slide decals",
"waterslide decals",
"wingdings"
] | We know this feeling all too well [YOHON!] spent $340 building, lubing, and filming a custom keyboard and it still wasn’t perfect until they got the keycaps sorted. They bought blank ‘caps because they’re awesome, but also because they wanted to make their own custom ‘caps for all those painstakingly lubed and filmed G... | 24 | 9 | [
{
"comment_id": "6356387",
"author": "Raniz",
"timestamp": "2021-06-13T05:19:11",
"content": "If you need to coat it in varnish for it to stick, why not just use transparent sticker paper and varnish instead?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "63... | 1,760,373,055.153468 | ||
https://hackaday.com/2021/06/12/bungee-and-cam-assisted-actuator-for-opendog/ | Bungee And Cam Assisted Actuator For OpenDog | Danie Conradie | [
"Robots Hacks"
] | [
"bungee cord",
"james bruton",
"OpenDog",
"robot actuator"
] | One of the challenges of many walking robot designs is the fact that they draw current just to stay upright. This was exactly the case for one [James Bruton]’s quadruped robots, where the knee motors were getting too hot to touch. Adding springs to take some of the load is not as simple it might seem, so [James] create... | 17 | 5 | [
{
"comment_id": "6356373",
"author": "Comedicles",
"timestamp": "2021-06-13T03:50:02",
"content": "It looks like a job for calculus of variations. At least for an approximation, because bungees are not conservative like a spring.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,055.208762 | ||
https://hackaday.com/2021/06/12/3d-print-an-entire-pc-case/ | 3D Print An Entire PC Case | Jenny List | [
"computer hacks"
] | [
"3d print",
"mini-itx",
"pc case"
] | With laptops having become a commodity item and single-board computers having conquered the lower end for our community, building a PC for yourself is no longer the rite of passage that it once was; except perhaps if you are a gamer. But there is still plenty of fun to be had in selecting and assembling PC hardware, es... | 33 | 10 | [
{
"comment_id": "6356312",
"author": "Gravis",
"timestamp": "2021-06-12T23:10:10",
"content": "“Entire PC Case” yeah, all 20cm of it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6356326",
"author": "Shannon",
"timestamp": "2021-06-13T00:14... | 1,760,373,055.277452 | ||
https://hackaday.com/2021/06/11/open-source-method-makes-possible-two-layer-pcbs-with-through-plating-at-home/ | Open-Source Method Makes Possible Two-Layer PCBs With Through-Plating At Home | Dan Maloney | [
"chemistry hacks"
] | [
"Chemistry",
"copper",
"electroless",
"palladium",
"pcb",
"plated-through",
"PTH",
"via"
] | If the last year and its supply chain problems have taught us anything, it’s the value of having a Plan B, even for something as commoditized as PCB manufacturing has become. If you’re not able to get a PCB made commercially, you might have to make one yourself, and being able to
DIY a dual-layer board with plated-thro... | 39 | 15 | [
{
"comment_id": "6356097",
"author": "Gravis",
"timestamp": "2021-06-12T00:11:30",
"content": "Impressive. It does make me wonder how it might be possible to modify other photoresist application methods to accommodate this process. I really like the laser printer based photoresist method since it’... | 1,760,373,055.525932 | ||
https://hackaday.com/2021/06/11/recreating-the-intercom-from-ferris-buellers-day-off/ | Recreating The Intercom From Ferris Bueller’s Day Off | Lewin Day | [
"Misc Hacks"
] | [
"ESP32",
"film",
"intercom"
] | Ferris Bueller’s Day Off
is a pop culture classic, and remains one of the standout teen films of the era. Notably, titular character Ferris was somewhat of a hacker himself, with the movie showcasing several contraptions the teenager used to get out of a day of school. Among them was the intercom,
which [Aaron] faithfu... | 7 | 5 | [
{
"comment_id": "6356084",
"author": "Michael Black",
"timestamp": "2021-06-11T21:26:28",
"content": "Ferris Bueller schemed. I’m not sure he’s an inventor. I’d think he’s more the type to talk someone who could do it into doing it for him.They use people the moment they realize they can get somet... | 1,760,373,055.353161 | ||
https://hackaday.com/2021/06/11/recycling-a-laptop-screen-into-a-portable-folding-monitor/ | Recycling A Laptop Screen Into A Portable Folding Monitor | Lewin Day | [
"laptops hacks"
] | [
"laptop screen",
"lcd",
"lvds",
"monitor"
] | There’s plenty of times we’ve seen a laptop fail, break, or just become too slow for purpose despite the fact that it’s still packing some useful components. With all the single-board computers and other experiments lurking about the average hacker workshop, it’s often useful to have a spare screen on hand, and an old ... | 16 | 7 | [
{
"comment_id": "6356054",
"author": "Miles Archer",
"timestamp": "2021-06-11T18:53:38",
"content": "I agree, they are useful. I didn’t write my build up because it’s not much of a hack. My teen age daughter spilled a drink all over the keyboard of her laptop and left it soaking for several days. Ne... | 1,760,373,055.579242 | ||
https://hackaday.com/2021/06/11/circuit-vr-arduino-virtually-meets-analog/ | Circuit VR: Arduino Virtually Meets Analog | Al Williams | [
"Arduino Hacks",
"Hackaday Columns",
"Slider"
] | [
"arduino",
"cosimulation",
"falstad",
"simulation"
] | There was a time when building electronics and building software were two distinct activities. These days, almost any significant electronic project will use a CPU somewhere, or — at least — could. Using a circuit simulator can get you part of the way and software simulators abound. But cosimulation — simulating both a... | 3 | 3 | [
{
"comment_id": "6356066",
"author": "StephaneAG",
"timestamp": "2021-06-11T19:26:10",
"content": "Hi there !Being a fellow Falstad user, I have some update for other users: we had the option to create subcircuits for a while, yet there’s also the possibility of using “external javascript” to toggle... | 1,760,373,055.40398 | ||
https://hackaday.com/2021/06/11/hackaday-podcast-122-faster-than-wind-travel-sisyphish-alu-desktop-calculator-and-mice-in-space/ | Hackaday Podcast 122: Faster Than Wind Travel, Sisyphish, ALU Desktop Calculator, And Mice In Space | Mike Szczys | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Hackaday editors Elliot Williams and Mike Szczys marvel at the awesome hacks from the past week. We had way too much fun debating whether a wind-powered car can travel faster than the wind, and whether or not you can call that sailing. Low-temperature desoldering was demystified: it’s the bismuth! And we saw a camera g... | 6 | 4 | [
{
"comment_id": "6356053",
"author": "HappyNapalm",
"timestamp": "2021-06-11T18:50:41",
"content": "On the 12 volts, I am pretty sure that most fans and cooling systems on a modern PC use the 12 volt like from the ATX power supply.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,373,055.631368 | ||
https://hackaday.com/2021/06/11/12-arduino-orchestra-plays-star-wars-fanfare/ | 12-Arduino Orchestra Plays Star Wars Fanfare | Lewin Day | [
"Musical Hacks"
] | [
"arduino",
"arduino nano",
"midi"
] | Back in the early days of the musical synthesizer, some designers who wished for polyphony in their instruments would simply build multiple tone-generators for as many notes as they wished to play. [Kevin] took that same approach with his Arduino orchestra,
and set about having it play the closing number from
Star Wars... | 14 | 7 | [
{
"comment_id": "6356015",
"author": "Steven Gann",
"timestamp": "2021-06-11T15:32:09",
"content": "This is very nice, and pretty encouraging.I’ve been trying to almost the same thing, except 4 Arduino nanos running Mozzie for PWM-based synthesis and then mixing their signals together for a single o... | 1,760,373,055.456667 | ||
https://hackaday.com/2021/06/11/this-week-in-security-alpaca-an0m-recovering-ransoms-and-more/ | This Week In Security: ALPACA, AN0M, Recovering Ransoms, And More | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"AN0M",
"ransomware",
"This Week in Security"
] | Let’s talk Alpacas. More specifically, “
Application Layer Protocol Confusion – Analyzing and mitigating Cracks in tls Authentication
“. Although this is definitely a case of someone wanting their name to spell ALPACA, the research itself is pretty clever.
It’s a way to Man-In-the-Middle an HTTPS connection, without ac... | 18 | 8 | [
{
"comment_id": "6356001",
"author": "Ostracus",
"timestamp": "2021-06-11T14:23:38",
"content": "Good thing FF removed FTP support.https://appleinsider.com/articles/21/04/16/firefox-90-to-remove-browsers-built-in-ftp-support",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,373,055.79651 | ||
https://hackaday.com/2021/06/11/a-massive-modular-smartwatch-to-match-your-sci-fi-fantasies/ | A Massive Modular Smartwatch To Match Your Sci-Fi Fantasies | Danie Conradie | [
"Wearable Hacks"
] | [
"smart watch",
"vfd display",
"voidstar lab",
"zack freedman"
] | Modern smart watches have some incredible features, but they still don’t stack up to what science fiction promised us, both in size and capabilities. Fortunately, [Zack Freedman] has set out to change that with the
Singularitron
, a modular wearable computer that is less Apple Watch and more Pip-Boy.
The most striking ... | 15 | 11 | [
{
"comment_id": "6355967",
"author": "Mark Miller",
"timestamp": "2021-06-11T12:13:31",
"content": "I just love it. VFD so nicely set. It makes my imagination happy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6355970",
"author": "Doc Oct",
"times... | 1,760,373,055.853067 | ||
https://hackaday.com/2021/06/11/vga-library-for-the-raspberry-pi-pico/ | VGA Library For The Raspberry Pi Pico | Chris Lott | [
"Video Hacks"
] | [
"Raspberry Pi Pico",
"retro game console",
"vga",
"video"
] | [Miroslav Nemecek] really pushes the limits of the Pico
with his PicoVGA project
, which packs a surprising number of features. His main goal with this library is to run retro games which can fit within the limited RAM and processing power of the Pico, but the demo video below shows a wide array of potential applicatio... | 11 | 7 | [
{
"comment_id": "6355926",
"author": "Mahyar",
"timestamp": "2021-06-11T08:08:05",
"content": "This is incredible.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6355932",
"author": "WallyHulea",
"timestamp": "2021-06-11T09:25:31",
"content": "Can ... | 1,760,373,055.905212 | ||
https://hackaday.com/2021/06/10/a-dual-monitor-setup-for-the-c64-and-yes-its-vga-compatible/ | A Dual Monitor Setup For The C64, And Yes, It’s VGA Compatible | Lewin Day | [
"Retrocomputing"
] | [
"commodore 64",
"display",
"vga"
] | Few in the 1980s were too fussed about their home computer only supporting a single monitor; indeed, most were satisfied enough by the brand new capabilities on offer at the time. That said, it’s many decades hence, and we really do deserve more. Fear not,
for [Ryan Brooks] is here to help with his VG64 VGA Card for th... | 9 | 6 | [
{
"comment_id": "6355963",
"author": "tyju67ujui",
"timestamp": "2021-06-11T12:00:29",
"content": "I dream about macintosh se mac os 7 on new lcd, better cpu (meybe 32MHz !) and moving step by step firmware and system to open source. (similar haiku os)",
"parent_id": null,
"depth": 1,
"r... | 1,760,373,055.951529 | ||
https://hackaday.com/2021/06/10/ham-radio-traffic-logger-using-a-bug-in-baofeng-electronics/ | Ham Radio Traffic Logger Using A Bug In Baofeng Electronics | Danie Conradie | [
"News",
"Radio Hacks"
] | [
"baofeng",
"ESP8266",
"google sheets",
"ham radio"
] | A Baofeng radio is often one of the first purchases a new ham radio operator makes these days due to the decent features and low price tag. They are far from perfect, but with a bit of creative inspiration, it’s possible to make the quirks work in your favor. By taking advantage of a loud pop on the earphone outputs wh... | 22 | 14 | [
{
"comment_id": "6355881",
"author": "Lee Studley",
"timestamp": "2021-06-11T02:34:53",
"content": "It’s probably a spike from the amplifier being turned on and the bypass coupling cap, or a small class-d amp kicking on. Not so much a bug.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,056.07794 | ||
https://hackaday.com/2021/06/10/redox-redux-split-keeb-gets-a-num-pad/ | Redox Redux: Split Keeb Gets A Num Pad | Kristina Panos | [
"Arduino Hacks"
] | [
"arduino",
"arduino pro micro",
"cherry mx",
"cherry MX green",
"ergodox",
"ergonomic keyboard",
"numpad",
"redox",
"split keyboard"
] | What’s the worst thing about split keyboards? If they have one general fault, it’s that almost none of them have a number pad. If you can fly on that thing, but struggle with using the top row numbers, you will miss the num pad terribly, trust us. So what’s the answer?
Design your own keyboard, of course
. [ToasterFuel... | 7 | 4 | [
{
"comment_id": "6355873",
"author": "Nobody",
"timestamp": "2021-06-11T01:28:19",
"content": "I found using mx clears vs browns to significantly reduce accidentally hitting 2 keys at once, So on a downsized ergodox, I could definitely see heaver sittings being a boon. Though, I am trying to work my... | 1,760,373,056.014916 | ||
https://hackaday.com/2021/06/10/a-self-driving-bicycle-is-something-to-marvel-at/ | A Self-Driving Bicycle Is Something To Marvel At | Lewin Day | [
"Transportation Hacks"
] | [
"bicycle",
"reaction wheel",
"self balancing"
] | One of the most annoying things about bicycles is that they don’t stay up on their own, especially when they’re stationary. That’s why they come with stands, after all. That said, if you had plenty of advanced electronic and mechanical equipment fitted to one, you could do something about that,
and that’s just what [稚晖... | 44 | 25 | [
{
"comment_id": "6355810",
"author": "Mike Giles",
"timestamp": "2021-06-10T20:18:19",
"content": "It’s like riding …itself.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6355811",
"author": "Andy",
"timestamp": "2021-06-10T20:21:05",
"content": "... | 1,760,373,056.247346 | ||
https://hackaday.com/2021/06/10/an-explanation-of-a-classic-semiconductor-riddle/ | An Explanation Of A Classic Semiconductor Riddle | Lewin Day | [
"Science"
] | [
"transistor"
] | Back in 1996, Bob Pease posed an experiment in an April Fools column. “Take an ordinary NPN transistor, ground the base, pull the emitter up to 12 V with a 1 KΩ resistor and measure the collector voltage referenced to ground.” Do the experiment, and you might be surprised to find a small negative voltage present on the... | 14 | 7 | [
{
"comment_id": "6355802",
"author": "Paul",
"timestamp": "2021-06-10T19:28:32",
"content": "Back in the dark ages of CCD image sensors (eighties), it was common to find an odd elevation of signal in spots in a darkfield image. It’s supposed to be uniformly dark, with a bit of leakage current noise... | 1,760,373,056.300753 | ||
https://hackaday.com/2021/06/09/robot-clings-to-ceiling/ | Robot Clings To Ceiling | Al Williams | [
"Robots Hacks"
] | [
"robot",
"suction",
"wall climbing"
] | Imagine you are at the movies and you see a Roomba-like robot climbing a wall or clinging to a ceiling. How would that work? If you are like us, you might think of suction cups or something mechanical or magnetic in the wall. Then again, it is a movie, so maybe it is just a camera trick. The robots from the
Bioinsipire... | 6 | 5 | [
{
"comment_id": "6355623",
"author": "irox",
"timestamp": "2021-06-10T05:20:45",
"content": "Maybe it could be scaled up by using many saucer sized disks connected in a lattice of some sort. With enough disks to have redundancy, a robot could transition across different height and angle surfaces, m... | 1,760,373,057.112416 | ||
https://hackaday.com/2021/06/09/old-phone-becomes-midi-controller/ | Old Phone Becomes MIDI Controller | Lewin Day | [
"Musical Hacks"
] | [
"midi",
"midi controller",
"phone"
] | MIDI controllers come in all shapes and sizes. Commercial products based on keyboards or matrixes of buttons are popular, but there’s nothing stopping you from whipping up your own creations out of whatever strikes your fancy. [Kevin] has done just that,
turning an old telephone into a working MIDI device
.
The phone i... | 5 | 4 | [
{
"comment_id": "6355606",
"author": "Col_Panek",
"timestamp": "2021-06-10T02:05:15",
"content": "Oh. … I thought “old” = rotary dial. Now that would be a challenge.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6355754",
"author": "Steve",
... | 1,760,373,056.345138 | ||
https://hackaday.com/2021/06/09/restoring-a-vintage-tube-tester-to-its-former-glory/ | Restoring A Vintage Tube Tester To Its Former Glory | Tom Nardi | [
"classic hacks",
"hardware"
] | [
"recapping",
"repair",
"restoration",
"tube tester",
"vacuum tube",
"vintage hardware"
] | It can be difficult for modern eyes to make much sense of electronics from the 1960s or earlier. Between the point-to-point soldering, oddball components, and the familiar looking passives blown up to comical proportions like rejected props from
“Honey, I Shrunk the Kids”
, even experienced hardware hackers may find th... | 38 | 18 | [
{
"comment_id": "6355533",
"author": "Alex99a",
"timestamp": "2021-06-09T20:34:16",
"content": "Can’t make heads or tails of it??? Kids these days.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6355541",
"author": "haxtormoogle",
"timestamp": "2021-06... | 1,760,373,056.657307 | ||
https://hackaday.com/2021/06/09/improved-technique-for-resistive-divider-keypads/ | Improved Technique For Resistive Divider Keypads | Chris Lott | [
"hardware",
"Tech Hacks"
] | [
"current mirror",
"keypad",
"matrix",
"resistive divider"
] | [Lauri Pirttiaho] from the [Swiss Knife of Electronics] channel
explains how to simplify your resistive divider keypad design
on Hackaday.io.
The usual method involves building a resistive ladder that gives unique and equally spaced voltages for each keypress. If you have just four or five discrete buttons, it isn’t te... | 22 | 9 | [
{
"comment_id": "6355502",
"author": "davidelang",
"timestamp": "2021-06-09T18:43:25",
"content": "I’m actually interested in the flip side of this. Car steering wheel buttons tend to use this mechanism, is there a good way to interface to this with a microcontroller to generate the input to a volta... | 1,760,373,056.520203 | ||
https://hackaday.com/2021/06/09/historical-hackers-ctesibius-tells-time/ | Historical Hackers: Ctesibius Tells Time | Al Williams | [
"clock hacks",
"Hackaday Columns",
"History",
"Original Art",
"Slider"
] | [
"alexandria",
"ancient greek",
"clepsydra",
"clock",
"ctesibius",
"greece",
"greek",
"water clock"
] | People are obsessed with the time and the weather. We’ve talked about the weather since we were all cave dwellers hunting with spears. But the time is a different matter. Sure, people always had the idea of the passage of time. The sun rising and setting gives a natural sense of days, but daylight and dark periods vary... | 11 | 4 | [
{
"comment_id": "6355481",
"author": "Anonymous",
"timestamp": "2021-06-09T17:47:02",
"content": "No mention of hourglasses? I haven’t googled it, but would have thought they were also an early “invention”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6355... | 1,760,373,056.575737 | ||
https://hackaday.com/2021/06/09/3d-printed-calipers-work-like-clockwork/ | 3D Printed Calipers Work Like Clockwork | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"caliper"
] | Most of us use calipers when working with our 3D printers. Not [Albert]. He has a
clockwork caliper design
that he 3D printed. The STL is available for a few bucks, but you can see how it works in the video below. We don’t know how well it works, but we’ll stick with our digital calipers for now.
The digital readout on... | 31 | 8 | [
{
"comment_id": "6355460",
"author": "Foldi-One",
"timestamp": "2021-06-09T16:11:59",
"content": "Very interesting take on dial calipers, I can see this being useful in a future situation where the vernier has got lost.. or you didn’t know you would need one but do have the ubiquitous 3d printer – p... | 1,760,373,059.002546 | ||
https://hackaday.com/2021/06/09/what-is-ultra-wideband/ | What Is Ultra Wideband? | Jenny List | [
"Featured",
"Radio Hacks",
"Slider"
] | [
"Apple AirTag",
"DWB1000",
"ultra wideband",
"UWB"
] | If you’ve been following the world of mobile phone technology of late, you may be aware that Apple’s latest IPhones and AirTag locator tags bring something new to that platform. Ultra wideband radios are the new hotness when it comes to cellphones, so just what are they and what’s in it for those of us who experiment w... | 36 | 14 | [
{
"comment_id": "6355431",
"author": "Ostracus",
"timestamp": "2021-06-09T14:28:11",
"content": "I could see this applied to social distancing.https://www.tdk.com/en/featured_stories/entry_018.html",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6355498",
... | 1,760,373,058.753109 | ||
https://hackaday.com/2021/06/10/survey-of-simple-logic-simulators/ | Survey Of Simple Logic Simulators | Chris Lott | [
"Hackaday Columns",
"Roundup",
"Slider",
"Tool Hacks"
] | [
"digital design",
"logic simulator"
] | A few months ago, a
tweet
by [Ken Shirriff] asking about simple digital simulators caught my attention. The topic came up again in May when a
repair video
by [CuriousMarc] featured one such simulator called
Logisim-evolution
. It made me want to take a fresh look on what’s out there and which features set the different... | 30 | 17 | [
{
"comment_id": "6355778",
"author": "Dr Cockroach",
"timestamp": "2021-06-10T17:39:28",
"content": "Logisim is still my go to for testing out my various logic projects.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6355837",
"author": "𐂀 𐂅",
... | 1,760,373,058.933892 | ||
https://hackaday.com/2021/06/10/final-weekend-for-display-challenge-of-the-hackaday-prize/ | Final Weekend For Display Challenge Of The Hackaday Prize | Mike Szczys | [
"The Hackaday Prize"
] | [
"2021 Hackaday Prize"
] | This is the final weekend to
enter your display-related project in the 2021 Hackaday Prize
. The good news is, pretty much anything that has a display on it fits the bill here.
The goal of the “Rethink Displays” challenge is to envision interesting ways to visualize data. How many times an hour do you reach for an unlo... | 1 | 1 | [
{
"comment_id": "6355862",
"author": "Zach Frew",
"timestamp": "2021-06-11T00:39:13",
"content": "I’m really excited about this! This will be my first year participating, and I think the Rethink Displays challenge will coincide well with the kinetic art kick I find myself on.",
"parent_id": null... | 1,760,373,058.795546 | ||
https://hackaday.com/2021/06/10/automatic-chessboard-lets-online-players-move-the-pieces/ | Automatic Chessboard Lets Online Players Move The Pieces | Lewin Day | [
"Misc Hacks"
] | [
"chess",
"chess board",
"chess set",
"ChessBoard"
] | Playing chess online is all well and good, and opens up a whole world of competitors that would otherwise be unavailable in one’s local area. But there’s something to be said for playing over the board, which comes up often enough for many players that they refer to it with the acronym OTB.
[Carlos] built an automatic ... | 13 | 7 | [
{
"comment_id": "6355763",
"author": "Garth Bock",
"timestamp": "2021-06-10T16:08:34",
"content": "This is way cool. Beats chess by mail or by video chat.(Now from my twisted mind)… How about applying it to an internet connected Ouija Board. You have friends over for a party…. you have a hidden vidc... | 1,760,373,059.205133 | ||
https://hackaday.com/2021/06/10/injection-molded-glass-breakthrough-shatters-ceiling-of-work-methods/ | Injection-Molded Glass Breakthrough Shatters Ceiling Of Work Methods | Kristina Panos | [
"chemistry hacks",
"Current Events",
"Engineering",
"Featured",
"Slider"
] | [
"glass",
"injection mold",
"injection molding",
"PEG",
"PVB",
"silica"
] | Glass is one of humanity’s oldest materials, and it is still used widely for everything from drinking vessels and packaging to optics and communications. Unfortunately, the methods for working with glass are stuck in the past. Most methods require a lot of high heat in the range of 1500 °C to 2000 °C, and they’re all l... | 36 | 13 | [
{
"comment_id": "6355719",
"author": "Andy Pugh",
"timestamp": "2021-06-10T14:16:13",
"content": "Presumably there is a shrinkage to account for? (As there is with the some of the print-then-bake 3D printing metal filaments, and that other process where a silica paste is sintered at high temperatur... | 1,760,373,059.393301 | ||
https://hackaday.com/2021/06/10/turning-the-virtual-boy-into-a-handheld-console/ | Turning The Virtual Boy Into A Handheld Console | Tom Nardi | [
"Nintendo Hacks"
] | [
"classic gaming",
"IPS display",
"nintendo",
"portable console",
"virtual boy"
] | The Virtual Boy, Nintendo’s most infamous failure, was plagued by several issues. The most glaring problem was the red monochrome stereoscopic display technology which gave many users a headache after even a short time playing, but it’s sky-high price and extremely limited library of games kept many prospective buyers ... | 9 | 3 | [
{
"comment_id": "6355688",
"author": "Phillip",
"timestamp": "2021-06-10T12:26:42",
"content": "I love it! Hopefully someday we see a Rev2 featuring a stereoscopic display, but either way this is mad geek cred :D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,373,059.153852 | ||
https://hackaday.com/2021/06/10/sand-hack-boosts-power-on-insight-mars-lander/ | Sand Hack Boosts Power On InSight Mars Lander | Zach Zeman | [
"Robots Hacks",
"Space"
] | [
"InSight",
"mars",
"nasa",
"solar power",
"space exploration"
] | We love that part in
Apollo 13
where the NASA engineers have to fit a square carbon dioxide filter in a round hole. We love basically every scene of
The Martian
where Mark Watney hacks together any piece of hardware he can get his hands on to survive on a hostile planet. What we love even more is watching actual NASA e... | 78 | 29 | [
{
"comment_id": "6355639",
"author": "Alice Lalita Heald",
"timestamp": "2021-06-10T08:32:06",
"content": "Where are the micro cleaning robots they promised?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6355640",
"author": "Alice Lalita Heald",
... | 1,760,373,059.573869 | ||
https://hackaday.com/2021/06/09/tiny-mechanical-keyboard-powered-by-pi-pico/ | Tiny Mechanical Keyboard, Powered By Pi Pico | Donald Papp | [
"Microcontrollers",
"Peripherals Hacks"
] | [
"Gherkin",
"keyboard",
"pi pico",
"Raspberry Pi Pico"
] | For some applications, smaller is better and that is precisely the thinking behind a diminutive keyboard like the
PiPi Gherkin
, which is designed to use the Raspberry Pi Pico as its controller. This keyboard may have only 30 keys in total, but they are full-sized for comfort and don’t let the scant layout mislead you.... | 18 | 9 | [
{
"comment_id": "6355657",
"author": "Alina",
"timestamp": "2021-06-10T09:33:03",
"content": "Adding a spacebar is not a bad idea",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6355667",
"author": "poiuyt",
"timestamp": "2021-06-10T10:57:57",
"cont... | 1,760,373,058.854973 | ||
https://hackaday.com/2021/06/08/linux-fu-databases-are-next-level-file-systems/ | Linux Fu: Databases Are Next-Level File Systems | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Slider",
"Software Hacks"
] | [
"database",
"linux",
"sql",
"sqlite"
] | It is funny how exotic computer technology eventually either fails or becomes commonplace. At one time, having more than one user on a computer at once was high tech, for example. Then there are things that didn’t catch on widely like vector display or content-addressable memory. The use of mass storage — especially di... | 63 | 25 | [
{
"comment_id": "6355123",
"author": "Karl Ramboz",
"timestamp": "2021-06-08T17:18:47",
"content": "Your idea of stagnation is my idea of stability.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6355183",
"author": "ehrichweiss",
"timestamp"... | 1,760,373,059.105288 | ||
https://hackaday.com/2021/06/08/cold-war-code-breaking-manual-teaches-impossible-puzzle-solving/ | Cold War Code Breaking Manual Teaches Impossible Puzzle Solving | Al Williams | [
"News",
"Security Hacks"
] | [
"cryptodiagnosis",
"cryptography",
"cypher",
"nsa"
] | Cryptologist [Lambros Callimahos] was a victim of his own success. He wrote a trilogy of books called Military Cryptanalytics covering code breaking in 1977. The first two volumes were eventually published, but the NSA blocked the public release of the third volume back in 1992. But last December,
it finally saw the li... | 25 | 10 | [
{
"comment_id": "6355097",
"author": "Dan",
"timestamp": "2021-06-08T16:07:13",
"content": "Generally the easiest way to break encryption is not to break the machines people use, but to break the people. [obligatory XKCD reference]Of course, it’s even easier if you build the machine yourself in the ... | 1,760,373,059.457574 | ||
https://hackaday.com/2021/06/08/iss-artificial-gravity-study-shows-promise-for-long-duration-spaceflight/ | ISS Artificial Gravity Study Shows Promise For Long Duration Spaceflight | Tom Nardi | [
"Engineering",
"Featured",
"Original Art",
"Science",
"Slider",
"Space"
] | [
"centrifuge",
"gravity",
"human spaceflight",
"international space station",
"iss"
] | The International Space Station is humanity’s most expensive gym membership.
Since the earliest days of human spaceflight, it’s been understood that longer trips away from Earth’s gravity can have a detrimental effect on an astronaut’s body. Floating weightless invariably leads to significantly reduced muscle mass in t... | 105 | 32 | [
{
"comment_id": "6355061",
"author": "Ostracus",
"timestamp": "2021-06-08T14:30:59",
"content": "Interesting how it turns into an even bigger gym.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6355062",
"author": "Paul",
"timestamp": "2021-06-08T14:32... | 1,760,373,059.873053 | ||
https://hackaday.com/2021/06/08/the-epic-saga-of-hacking-knights-of-the-round/ | The Epic Saga Of HackingKnights Of The Round | Tom Nardi | [
"classic hacks",
"Software Hacks"
] | [
"arcade game",
"assembly",
"Capcom",
"Motorola 68000",
"ROM hack"
] | For the uninitiated,
Knights of the Round
was a hack-and-slash arcade game released by Capcom in 1991 that rather loosely followed the legend of King Arthur and the eponymous Knights of the Round Table. In it, up to three players make their way from stage to stage, vanquishing foes and leveling up their specific charac... | 3 | 3 | [
{
"comment_id": "6355006",
"author": "Jacek",
"timestamp": "2021-06-08T11:06:01",
"content": "is possible to create a program from this?mem creator == I can write a sentence and it show it in specific location and creature/hero.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,373,059.616461 | ||
https://hackaday.com/2021/06/08/tractors-and-the-right-to-repair-its-going-global/ | Tractors And The Right To Repair: It’s Going Global | Jenny List | [
"News",
"Transportation Hacks"
] | [
"Agco",
"drm",
"farming",
"john deere",
"NFU",
"right to repair"
] | For more than a few years now, we’ve been covering the saga of tractors from the larger manufacturers on which all components are locked down by software to the extent that they can only be replaced by officially sanctioned dealers. We’re thus pleased to see a couple of moments when the story has broken out of the fiel... | 65 | 14 | [
{
"comment_id": "6354985",
"author": "Alice Lalita Heald",
"timestamp": "2021-06-08T08:43:04",
"content": "Can you replace an ECU with an aftermarket on on a BWM car?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6354986",
"author": "Bleugh",
... | 1,760,373,059.717873 | ||
https://hackaday.com/2021/06/07/an-emulator-that-only-plays-one-game/ | An Emulator That Only Plays One Game | Matthew Carlson | [
"Games",
"Software Development",
"Software Hacks"
] | [
"emulator",
"gameboy",
"gameboy color"
] | [Ben Smith] had previously implemented a GameBoy Color emulator but decided to
make a new emulator that to play just one game called pokegb
. The game is, of course, the popular blue edition of Pokemon. While this emulator could play other GameBoy games, the way it was implemented was to support only the opcodes and fe... | 1 | 1 | [
{
"comment_id": "6355277",
"author": "Joshua",
"timestamp": "2021-06-09T02:02:02",
"content": "Kudos!I think this is amazing! ^_^Congratulations on a job well done!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,059.942143 | ||
https://hackaday.com/2021/06/07/at-mit-clothing-fiber-watches-you/ | At MIT, Clothing Fiber Watches You | Al Williams | [
"Science",
"Wearable Hacks"
] | [
"fiber",
"smart fiber",
"textiles",
"Wearables"
] | [Yoel Fink] and his team at MIT have announced their
creation of a fiber
that can sense and store data. In addition, they can use data from a shirt made of the material to infer the wearer’s activity with high accuracy. The fiber contains hundreds of microscale silicon chips into a preform used to create a polymer fibe... | 11 | 6 | [
{
"comment_id": "6354952",
"author": "Drone",
"timestamp": "2021-06-08T04:19:48",
"content": "AI/ML Clothing = Creepy.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6355042",
"author": "Rog77",
"timestamp": "2021-06-08T13:28:41",
"co... | 1,760,373,060.087017 | ||
https://hackaday.com/2021/06/09/flat-transformer-gives-this-pcb-tesla-coil-some-kick/ | Flat Transformer Gives This PCB Tesla Coil Some Kick | Dan Maloney | [
"Misc Hacks"
] | [
"arc",
"coil",
"epoxy",
"high voltage",
"load",
"primary",
"resonant",
"secondary",
"streamer",
"tesla",
"transformer"
] | Arguably, the most tedious part of any Tesla coil build is winding the transformer. Getting that fine wire wound onto a suitable form, making everything neat, and making sure it’s electrically and mechanically sound can be tricky, and it’s a make-or-break proposition, both in terms of the function and the aesthetics of... | 16 | 10 | [
{
"comment_id": "6355387",
"author": "mrehorst",
"timestamp": "2021-06-09T11:11:40",
"content": "Cool build, but I don’t think I’d test it next to a bunch of test gear like that!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6355430",
"author": "Bre... | 1,760,373,060.138264 | ||
https://hackaday.com/2021/06/09/old-dslr-lens-becomes-useful-soldering-magnifier/ | Old DSLR Lens Becomes Useful Soldering Magnifier | Lewin Day | [
"Tool Hacks"
] | [
"dslr",
"magnifier",
"soldering",
"soldering microscope"
] | Soldering tiny stuff is hard, if not impossible, without some optical assistance. [Ad_w00000] was having just this problem,
so built himself a soldering magnifier to help.
The magnifier uses a variety of components [Ad_w00000] had lying around. For the optical side of things, an old Canon DSLR zoom lens was pressed int... | 10 | 4 | [
{
"comment_id": "6355376",
"author": "B-Rock",
"timestamp": "2021-06-09T09:54:41",
"content": "Canon FD mount lenses were for SLR cameras not DSLR’s.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6355424",
"author": "Ren",
"timestamp": "2021-06-09T13:... | 1,760,373,059.987163 | ||
https://hackaday.com/2021/06/08/nintendo-ds-transformed-into-gameboy-macro/ | Nintendo DS Transformed Into Gameboy Macro | Lewin Day | [
"Nintendo Game Boy Hacks",
"Nintendo Hacks"
] | [
"console mod",
"game boy",
"nintendo"
] | Nintendo’s Game Boy line were the world’s most popular handheld gaming systems, but did have their drawbacks. Most notably, the Game Boy didn’t receive a backlit color LCD until the Game Boy Advance SP launched in 2003. Of course, you can always build your own Game Boy that rectifies this and other shortcomings,
and th... | 7 | 7 | [
{
"comment_id": "6355322",
"author": "craig",
"timestamp": "2021-06-09T05:32:50",
"content": "this is seriously rad.Literally hacking (off unnecessary pieces)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6355390",
"author": "RetroGamingXP",
"timestam... | 1,760,373,060.038091 | ||
https://hackaday.com/2021/06/08/printer-uses-algae-to-print-live-structures/ | Printer Uses Algae To Print Live Structures | Al Williams | [
"3d Printer hacks",
"Science"
] | [
"algae",
"bioprinting",
"delft",
"tudelft"
] | There’s a famous scene in the movie version of Frankenstein — but not in the book — where the doctor exclaims: “It’s alive!” We wonder if researchers at TU Delft had the same experience after
printing living structures using algae
. Of course, they aren’t creating life or even reanimating it. They are simply depositing... | 18 | 4 | [
{
"comment_id": "6355284",
"author": "Michael CHERNOFF",
"timestamp": "2021-06-09T02:26:28",
"content": "Can you print a coral reef next?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6355297",
"author": "Garth Bock",
"timestamp": "2021-06-0... | 1,760,373,060.19454 | ||
https://hackaday.com/2021/06/08/custom-num-pad-does-double-duty-as-macro-pad/ | Custom Num Pad Does Double Duty As Macro Pad | Kristina Panos | [
"Arduino Hacks",
"Microcontrollers",
"Peripherals Hacks"
] | [
"atmega32u4",
"AVR",
"macro keyboard",
"macro keypad",
"num pad",
"USB C"
] | Why buy a num pad or a macropad when you can build something new and beautiful, open source that bad boy, and be a hero to the community? We think that should be all the justification you ever need to build instead of buy, even if you think your thing is
Just Another Keypad [JAnK]
as [Clewsy] claims.
At first glance, J... | 7 | 2 | [
{
"comment_id": "6355285",
"author": "John",
"timestamp": "2021-06-09T02:33:57",
"content": "Interesting. I just saw a usb numeric keypad in the dollar store for ~$3. I thought about buying it and making a macro pad out of it, but then I thought, “a macro pad with no little screens on each of the ke... | 1,760,373,060.328354 | ||
https://hackaday.com/2021/06/08/arduino-compatible-ir-blaster-keeps-tvs-at-bay/ | Arduino Compatible IR Blaster Keeps TVs At Bay | Tom Nardi | [
"Arduino Hacks",
"LED Hacks"
] | [
"atmega328p",
"infrared",
"ir blaster",
"remote control",
"tv-b-gone",
"USB to serial"
] | The TV-B-Gone is a well known piece of kit in hacker circles: just point it at a noisy TV in a public space, hit the button, and one of the hundreds of IR remote codes for “Power Off” that it blinks out in rapid succession is more than likely to get the intended response. Unfortunately, while a neat conversation starte... | 39 | 12 | [
{
"comment_id": "6355190",
"author": "Nikolai",
"timestamp": "2021-06-08T20:17:14",
"content": "Make one for Car Audio! I was thinking to het a Car pioneer Remote and amplify the IR emitter.Just to silence those subwoofers around.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,060.443947 | ||
https://hackaday.com/2021/06/08/cerberus-2080-three-headed-retro-computing-project/ | Cerberus 2080 — Three-Headed Retro Computing Project | Chris Lott | [
"News",
"Retrocomputing"
] | [
"6502",
"AVR",
"educational",
"retro",
"z80"
] | For seven months, [Bernardo Kastrup] at [TheByteAttic] has been realizing his childhood dream of
building his own computer
. It was this dream that steered him into the field of computer design at the age of 17. After thirty years in the industry, he finally has some time to design the computer he dreamt about as a kid... | 6 | 5 | [
{
"comment_id": "6355151",
"author": "Thomas Brusehaver",
"timestamp": "2021-06-08T18:49:06",
"content": "Ohio Scientific had the Challenger III systems. A ZIP for CP/M, a 6502 for OS65U and 6800 for why not?http://www.technology.niagarac.on.ca/people/mcsele/hobby/ohio-scientific-computers-challenge... | 1,760,373,060.369992 | ||
https://hackaday.com/2021/06/07/teach-your-air-compressor-to-blow-eggs/ | Teach Your Air Compressor To Blow Eggs | Kristina Panos | [
"Holiday Hacks",
"Lifehacks"
] | [
"air compressor",
"blowing eggs",
"easter eggs",
"PVC"
] | As fun as it is to decorate Easter eggs, the road to a hollow hen’s egg is a gross and gooey avenue. Trust us, it sucks to blow out eggs, and it’s hard to get it right. Plus, you know, there’s that whole salmonella thing.
[Phil] decided to speed things up this year by using an air compressor to do the dirty work
.
Of c... | 16 | 5 | [
{
"comment_id": "6354889",
"author": "ID",
"timestamp": "2021-06-07T23:08:38",
"content": "I’d think that a dremel at 30k rpm with a PCB drill bit would have no problem and not even require support. A food-safe vacuum pot would be useful in removing the contents.",
"parent_id": null,
"depth... | 1,760,373,060.504134 | ||
https://hackaday.com/2021/06/07/hi-fi-combines-best-of-60s-and-90s-technology/ | Hi-Fi Combines Best Of 60s And 90s Technology | Bryan Cockfield | [
"Musical Hacks"
] | [
"amp",
"amplifier",
"audio",
"custom",
"hybrid",
"preamp",
"tube"
] | The 90s were a dark time for audio equipment, literally and figuratively. Essentially the only redeeming quality from the decade of nondescript black plastic boxes was the low cost. Compared to the audio equipment of the 60s, largely produced in high-end enclosures with highly desirable tube amplifiers, the 90s did not... | 55 | 17 | [
{
"comment_id": "6354814",
"author": "qwert",
"timestamp": "2021-06-07T20:13:49",
"content": "Uncomfortable truth: Hi-fi is all about the watts you can get before clipping, nothing else really matters",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6354822",
... | 1,760,373,060.663862 | ||
https://hackaday.com/2021/06/07/portable-digital-scoreboard-goes-anywhere/ | Portable, Digital Scoreboard Goes Anywhere | Kristina Panos | [
"Games",
"LED Hacks",
"The Hackaday Prize"
] | [
"2021 Hackaday Prize",
"blue pill",
"ESP8266",
"outdoor fun",
"scoreboard",
"stm32",
"ws2812"
] | It’s that time of year in both hemispheres — time to get outside and play before it gets unbearably hot (or cold). No matter what your game, don’t keep score in your head or with piles of rocks —
make yourself a portable, fold-able scoreboard
like [LordGuilly] did and be on the bleeding edge of display technology. It’s... | 22 | 5 | [
{
"comment_id": "6354780",
"author": "BrightBlueJim",
"timestamp": "2021-06-07T18:47:38",
"content": "Super cool. I think it would be more readable, though, with the addition of a piece of black cloth behind it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,373,060.723807 | ||
https://hackaday.com/2021/06/07/intels-atx12vo-standard-a-study-in-increasing-computer-power-supply-efficiency/ | Intel’s ATX12VO Standard: A Study In Increasing Computer Power Supply Efficiency | Maya Posch | [
"computer hacks",
"Hackaday Columns",
"hardware",
"Slider"
] | [
"atx",
"ATX12VO",
"psu"
] | The venerable ATX standard was developed in 1995 by Intel, as an attempt to standardize what had until then been a PC ecosystem formed around the IBM AT PC’s legacy. The preceding AT form factor was not so much a standard as it was the copying of the IBM AT’s approximate mainboard and with it all of its flaws.
With the... | 99 | 26 | [
{
"comment_id": "6354715",
"author": "Jonathan Bennett",
"timestamp": "2021-06-07T17:14:52",
"content": "For anyone else wondering, 208v power is different from your 240v power plug you may have in your house. The US power grid tends to run as 3 phase power. House power is a single phase of 240v wit... | 1,760,373,061.022148 | ||
https://hackaday.com/2021/06/07/led-matrix-hack-chat/ | LED Matrix Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"addressing",
"cartesian",
"coordinate",
"display",
"Hack Chat",
"led",
"light emitting diode",
"matric",
"modules",
"neopixel",
"rgb"
] | Join us on Wednesday, June 9 at noon Pacific for the
LED Matrix Hack Chat
with
Garrett Mace
!
It’s pretty amazing how quickly light-emitting diodes went from physics lab curiosity to a mainstream commodity product made in the millions, if not billions. Everything about LEDs has gotten better, smaller, and cheaper over ... | 0 | 0 | [] | 1,760,373,060.821094 | ||
https://hackaday.com/2021/06/07/triangle-tiles-form-blinky-networks-using-clever-interconnects/ | Triangle Tiles Form Blinky Networks Using Clever Interconnects | Kerry Scharfglass | [
"LED Hacks"
] | [
"art",
"led",
"led tile",
"nanoleaf",
"neopixel",
"sk6812",
"spring contact",
"TILE"
] | We love to see LEDs combined in all shapes and sizes, so we were especially ticked when we caught a glimpse of [Debra Ansell]’s (also known as [GeekMomProjects])
interlocking triangular TriangleLightPanel system
glowing on our screen. This unusually shaped array seemed to be self supporting and brightly glowing, so we ... | 14 | 5 | [
{
"comment_id": "6354691",
"author": "Bob A.",
"timestamp": "2021-06-07T15:54:13",
"content": "That is so very nice. Thank you GeekMom for a wonderful hacker class project.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6354697",
"author": "Shannon",
"... | 1,760,373,060.783471 | ||
https://hackaday.com/2021/06/07/electric-vehicles-could-be-the-grid-storage-solution-weve-been-dreaming-of/ | Electric Vehicles Could Be The Grid Storage Solution We’ve Been Dreaming Of | Lewin Day | [
"car hacks",
"Current Events",
"Featured",
"green hacks",
"Original Art",
"Slider"
] | [
"car",
"car hacks",
"electric car",
"electric vehicle",
"grid battery",
"grid storage",
"powerwall",
"storage"
] | As nation states grapple with the spectre of environmental and economic losses due to climate change, we’ve seen an ever greater push towards renewable energy sources to replace heavier polluters like coal and natural gas. One key drawback of these sources has always been their intermittent availability, spurring inter... | 157 | 28 | [
{
"comment_id": "6354648",
"author": "Ostracus",
"timestamp": "2021-06-07T14:05:20",
"content": "It’s not a bad idea having a UPS in the garage. Might have even helped some Texans.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6354701",
"author": "P... | 1,760,373,061.495869 | ||
https://hackaday.com/2021/06/07/an-alu-as-a-desktop-calculator/ | An ALU As A Desktop Calculator Has Stunning Style From Days Gone By | Jenny List | [
"classic hacks",
"Retrocomputing"
] | [
"74181",
"ALU",
"calculator",
"hexadecimal"
] | Those of you with an interest in microcomputer history will know that there is a strong crossover between the path of electronic calculator evolution and the genesis of the integrated CPU. Intel’s 4000 was famously designed for a calculator, and for a while in the 1970s these mathematical helpers were seen as the wonde... | 9 | 4 | [
{
"comment_id": "6354600",
"author": "Dagobert",
"timestamp": "2021-06-07T11:38:25",
"content": "Beautiful!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6354646",
"author": "Voja Antonic",
"timestamp": "2021-06-07T13:59:56",
"content": "A small t... | 1,760,373,061.072429 | ||
https://hackaday.com/2021/06/07/ryobi-power-packs-as-ebike-batteries/ | Ryobi Power Packs As Ebike Batteries | Jenny List | [
"Transportation Hacks"
] | [
"battery",
"ebike battery",
"ryobi"
] | By now, the process of creating custom lithium-ion battery packs is well-known enough to be within the reach of most makers. But it’s not a path without hazard, and mistakes with battery protection and management can be costly. Happily for those who are apprehensive on the battery front there’s a solution courtesy of a... | 42 | 12 | [
{
"comment_id": "6354564",
"author": "Mike Massen, Perth, Western Australia",
"timestamp": "2021-06-07T08:18:33",
"content": "Nice post, thanks :-)Have few older Ryobi packs with that extended 3 pin comparatively awkward charger connect unlike the flatter one shown here. Quite a few of them were dis... | 1,760,373,061.195728 | ||
https://hackaday.com/2021/06/06/aquarium-plotter-shows-sisyphishs-submerged-sand-stripes/ | Aquarium Plotter Shows Sisyphish’s Submerged Sand Stripes | Brian McEvoy | [
"3d Printer hacks"
] | [
"aquarium",
"caridina",
"fish",
"neocaridina",
"Shrimp",
"Sisyphus",
"Sisyphus table",
"Taiwan bee shrimp"
] | Sisyphus is cursed to roll a boulder up a hill for eternity. Pet fish generally content themselves to swimming the same lap over and over in a glass tank. Perpetuity can be soothing, so long as you’re not shouldering a boulder.
[Zach Frew] wants to integrate and automate the boulder on a smaller scale and one that can ... | 16 | 9 | [
{
"comment_id": "6354568",
"author": "Phil",
"timestamp": "2021-06-07T08:34:04",
"content": "Shiny",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6354891",
"author": "rpavlik",
"timestamp": "2021-06-07T23:19:49",
"content": "That is r... | 1,760,373,061.921963 | ||
https://hackaday.com/2021/06/06/automated-sentry-turret-for-your-secret-lab/ | Automated Sentry Turret For Your Secret Lab | Danie Conradie | [
"Kinect hacks",
"Weapons Hacks"
] | [
"arduino",
"Kinect",
"servos",
"turret",
"unity"
] | There are few things as frustrating when you’re trying to get some serious hacking done than intruders repeatedly showing up without permission. [All Parts Combined] has the solution for you, with a
Kinect-based robotic sentry turret
to keep them at bay.
The system consists of a Microsoft Kinect V2 connected to a PC, w... | 1 | 1 | [
{
"comment_id": "6354531",
"author": "zombodotcom",
"timestamp": "2021-06-07T04:13:12",
"content": "i made one of these using a haar cascade for smiling.It would shoot nerf darts at you,I called it the Motivator bot. OpenCV python",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,061.11514 | ||
https://hackaday.com/2021/06/06/hackaday-links-june-6-2021/ | Hackaday Links: June 6, 2021 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"amazon",
"audacity",
"CLA",
"clouds",
"cryptocurrency",
"Doge",
"echo",
"electric vehicle",
"Ethereum",
"ev",
"gpl",
"hackaday links",
"mars",
"ring",
"sidewalk",
"Stack OverFlow"
] | There are a bunch of newly minted millionaires this week, after it
was announced
that Stack OverFlow would be acquired for $1.8 billion by European tech investment firm Prosus. While not exactly a household name, Prosus is a big player in the Chinese tech scene, where it has about a 30% stake in Chinese internet compan... | 12 | 7 | [
{
"comment_id": "6354477",
"author": "gregg4",
"timestamp": "2021-06-06T23:22:21",
"content": "Regarding Amazon Sidewalk, as it happens there will be nothing from my two Amazon devices on it. (Although I can’t see how a smart outlet could help, and an Echo Input wouldn’t want to either.)",
"pare... | 1,760,373,061.666295 | ||
https://hackaday.com/2021/06/06/qmesh-lora-mesh-networked-voice-communications/ | QMESH: LoRa Mesh Networked Voice Communications | Danie Conradie | [
"Radio Hacks",
"Wireless Hacks"
] | [
"ham radio",
"LoRa",
"mesh network",
"stm32"
] | LoRa is great for sending short data packets over long ranges but is not normally suitable for voice communications. [Dan Fay] is looking to change this with
QMesh, a synchronized, flooded mesh network protocol for ham radio applications
.
In a flooded mesh network every node repeats every message it receives. This has... | 32 | 10 | [
{
"comment_id": "6354431",
"author": "Dan Fay",
"timestamp": "2021-06-06T20:24:20",
"content": "I’m Dan Fay, the creator/developer of QMesh. I’ll be monitoring the comments, so feel free to ask me any questions you might have.Thanks for the shoutout!",
"parent_id": null,
"depth": 1,
"rep... | 1,760,373,061.565929 | ||
https://hackaday.com/2021/06/06/sailing-faster-than-the-wind-itself/ | Sailing Faster Than The Wind Itself | Jenny List | [
"green hacks"
] | [
"land yacht",
"laws of physics",
"sailing",
"wind power"
] | If you search the outer reaches of the internet you will find all sorts of web sites and videos purporting to answer to free energy in the form of perpetual motion machines and other fantastical structures that bend the laws of physics to breaking point. We’d love them to be true but we have [Émilie du Châtelet] and he... | 136 | 35 | [
{
"comment_id": "6354378",
"author": "Old Guy",
"timestamp": "2021-06-06T17:09:04",
"content": "“But the wind-powered vehicle built by [Rick Cavallaro] looks as though it might just achieve that which was previously thought impossible. It’s a machine that can move with the wind at a speed faster tha... | 1,760,373,062.712301 | ||
https://hackaday.com/2021/06/06/differential-drive-doesnt-quite-work-as-expected/ | Differential Drive Doesn’t Quite Work As Expected | Bryan Cockfield | [
"3d Printer hacks",
"Engine Hacks"
] | [
"BLDC",
"cycloidal",
"differential",
"gear",
"gearbox",
"high speed",
"planetary",
"prototype",
"testing",
"two motors"
] | Placing two motors together in a shared drive is a simple enough task. By using something like a chain or a belt to couple them, or even placing them on the same shaft, the torque can be effectively doubled without too much hassle. But finding a way to keep the torque the same while adding the speeds of the motors, rat... | 10 | 7 | [
{
"comment_id": "6354348",
"author": "Greg A",
"timestamp": "2021-06-06T14:10:37",
"content": "i coulda toldja that! but it is awesome that his fabrication skills (and the general state of the art of fabrication) are at the point where it’s possible to learn that directly by making prototypes!",
... | 1,760,373,061.61208 | ||
https://hackaday.com/2021/06/06/is-32-bits-really-dead/ | Is 32-bits Really Dead? | Chris Lott | [
"ARM"
] | [
"32-bit",
"64-bit",
"arm",
"cortex-a"
] | While some of us are still clinging onto our favorite 8-bit microprocessors, ARM announced they will be killing off the 32-bit architecture in 2022 and/or 2023. Over on the GaryExplains YouTube channel, [Gary Sims]
posted a great review of the current 32- vs 64-bit state-of-affairs
— not just for ARM but for Intel and ... | 101 | 30 | [
{
"comment_id": "6354320",
"author": "Hal H",
"timestamp": "2021-06-06T12:17:44",
"content": "My company is still using Pic24s for a few math intense tasks that an 8bit (like a pic18 series) would have struggled to do. Sure 32bit processors are here, and becoming the defacto for most things over 8 b... | 1,760,373,061.80517 | ||
https://hackaday.com/2021/06/06/baby-c-17-sends-imaginations-soaring/ | Baby C-17 Sends Imaginations Soaring | Roger Cheng | [
"Transportation Hacks"
] | [
"Air Force",
"cargo plane",
"miniature",
"miniatures",
"scale",
"scale plane replica",
"us air force"
] | The C-17 Globemaster III is a military cargo jet that can carry what their commercial counterparts can’t, to places those other planes can’t go. The people who keep these planes flying are proud of their capable airlifter, but it’s hard to show them off. Solution: build
a scaled-down version
more suitable for driving o... | 17 | 14 | [
{
"comment_id": "6354311",
"author": "Canoe",
"timestamp": "2021-06-06T10:12:56",
"content": "What a letdown. I thought it flew…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6354374",
"author": "Feinfinger",
"timestamp": "2021-06-06T16:49:5... | 1,760,373,061.863557 | ||
https://hackaday.com/2021/06/05/enterprise-helm-commands-the-entertainment-center/ | EnterpriseHelm Commands The Entertainment Center | Tom Nardi | [
"classic hacks",
"home entertainment hacks"
] | [
"furniture",
"Interactive Furniture",
"prop",
"star trek",
"Star Trek: TOS"
] | Many a young geek wished they could get a chance to sit at the helm of the USS
Enterprise
, wildly tapping on unlabeled technicolor buttons with the self-assured confidence of a proper Starfleet officer. For most of us it was a dream unrealized, but right now somebody in the Seattle, Washington area is getting to do ex... | 11 | 6 | [
{
"comment_id": "6354284",
"author": "Anonymous",
"timestamp": "2021-06-06T06:15:00",
"content": "I’m waiting for the first post to discuss how sacrilegious this might be for not following the original bridge design down to the last detail.I wouldn’t do this, but I am a bit envious of somebody havin... | 1,760,373,061.975397 | ||
https://hackaday.com/2021/06/05/do-wristwatches-get-any-better-than-a-cuckoo-clock/ | Do Wristwatches Get Any Better Than A Cuckoo Clock? | Jenny List | [
"clock hacks"
] | [
"cuckoo clock",
"cuckoo watch",
"wristwatch"
] | There are few better ways of asserting your independent spirit as a hardware hacker than by creating your own special timepiece. Even more so if the timepiece is a watch, particularly in this era of smartwatches. Few home-made timepieces though have come as near to wristwatch Nirvana as
the cuckoo clock wristwatch
from... | 10 | 5 | [
{
"comment_id": "6354261",
"author": "Sylvain",
"timestamp": "2021-06-06T02:26:26",
"content": "Just the other day I was wondering if someone could create a cuckoo watch as a curiosity. I wasn’t envisioning a small cuckoo clock though. I was thinking something that look normal but with a figurine th... | 1,760,373,062.048569 | ||
https://hackaday.com/2021/06/05/huge-hand-wired-ortho-is-a-beautiful-battleship-keyboard/ | Huge Hand-Wired Ortho Is A Beautiful Battleship Keyboard | Kristina Panos | [
"Peripherals Hacks"
] | [
"battleship",
"battleship keyboard",
"duplex matrix",
"hand wired",
"hot glue",
"ortholinear"
] | There are all sorts of reasons to build your own keyboard, and we would argue that the more custom the layout, the easier it is to justify the time and expense. At least, that’s what we’re going with for this post about [GoldenSights]’ big, beautiful custom ortholinear called Nearer, as in nearer to perfect.
Just look ... | 11 | 5 | [
{
"comment_id": "6354241",
"author": "AwD",
"timestamp": "2021-06-06T00:34:19",
"content": "I’m kind of tired of the super minimalist thing in the mech world – I love seeing these monstrosities when they pop up!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,373,062.104661 | ||
https://hackaday.com/2021/06/05/a-commodore-64-as-you-have-never-seen-one-before-game-boy-form-factor/ | A Commodore 64 As You Have Never Seen One Before: Game Boy Form Factor! | Jenny List | [
"Retrocomputing"
] | [
"c64",
"commodore 64",
"game boy"
] | It’s now nearly four decades since the iconic Commodore 64 8-bit computer saw the light of day, and the vintage format shows no sign of dying. Enthusiasts have produced all kinds of new takes on the platform, but it’s fair to say that most of them have concentrated on the original style keyboard console form factors. A... | 23 | 11 | [
{
"comment_id": "6354206",
"author": "heatgap",
"timestamp": "2021-06-05T20:58:36",
"content": "It’s a work of art.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6354217",
"author": "Hirudinea",
"timestamp": "2021-06-05T21:51:39",
"c... | 1,760,373,062.36114 | ||
https://hackaday.com/2021/06/05/an-open-source-scientific-rpn-calculator/ | An Open-source Scientific RPN Calculator | Jenny List | [
"handhelds hacks"
] | [
"calculator",
"reverse polish notation",
"RPN",
"RPN calculator",
"Scientific Calculator"
] | Why reach for a bland, commercially available calculator when you be using a model that employs RPN (Reverse Polish Notation) in its calculations and be a custom build all at the same time? The kids may have colour TFTs and graphing functions, but your keyboard has no equals sign, and that
means
something.
Unfortunatel... | 69 | 25 | [
{
"comment_id": "6354155",
"author": "pac",
"timestamp": "2021-06-05T17:21:29",
"content": "… what?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6354156",
"author": "Me",
"timestamp": "2021-06-05T17:25:00",
"content": "I love RealCalc on my Andro... | 1,760,373,062.88487 | ||
https://hackaday.com/2021/06/05/wreck-your-mail-before-you-check-your-mail/ | Wreck Your Mail Before You Check Your Mail | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Software Hacks"
] | [
"diy",
"email",
"hosting",
"newsletter"
] | Every five years or so, I think it’s time to review my e-mail flow. (Oh no!) I run my own mail server,
and you should too
, but this means that I get to figure out managing and searching and archiving and indexing it all by myself. (Yippee!)
And I’ll be honest — sometimes I’m a bit of a luddite. I actually, literally h... | 28 | 12 | [
{
"comment_id": "6354119",
"author": "Nathan",
"timestamp": "2021-06-05T14:35:28",
"content": "Wonderful article Elliot, especially the encouragement of others to run their own mailserver. I’ve been doing the same for the last 20 years and controlling your own E-Mail destiny is panacea. I’m a fan ... | 1,760,373,062.779441 | ||
https://hackaday.com/2021/06/05/a-vacuum-battery-made-for-looks-and-learning/ | A Vacuum Battery Made For Looks And Learning | Danie Conradie | [
"Misc Hacks"
] | [
"18650 battery",
"etching",
"machining",
"plating"
] | Looks and RGB LEDs are usually not a priority in tool batteries, but [Oleg Pevtsov] decided
the battery for his DIY vacuum cleaner needed to be different
. In the process, he learned some lessons in chemical etching, plating, machining, casting, and electronics. See the video after the break for the build compilation.
... | 34 | 9 | [
{
"comment_id": "6354107",
"author": "Greg A",
"timestamp": "2021-06-05T13:37:39",
"content": "i also have a totally alright dust buster with a dead nimh battery i’d like to replacei will not be doing this much work though :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,373,062.433731 | ||
https://hackaday.com/2021/06/05/3d-printed-scale-model-of-perseverance-rover-seems-as-complicated-as-the-real-one/ | 3D-Printed Scale Model Of Perseverance Rover Seems As Complicated As The Real One | Dan Maloney | [
"Robots Hacks",
"Space"
] | [
"bogie",
"Curiosity",
"mars",
"model",
"nasa",
"Perseverance",
"rover",
"scale"
] | Sometimes the best way to figure out how something works is to make a model of it. 3D-modeling software makes it possible to do the job
in silico
, and sometimes that’s enough. But to really get inside the designer’s head, executing a physical model, like
this quarter-scale RC-controlled Perseverance rover
, is a great... | 4 | 4 | [
{
"comment_id": "6354091",
"author": "Rpol",
"timestamp": "2021-06-05T11:25:38",
"content": "Impressive. Most impressive…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6354111",
"author": "Michel",
"timestamp": "2021-06-05T14:12:59",
"content": "... | 1,760,373,062.978479 | ||
https://hackaday.com/2021/06/04/dreamcast-homebrew-gets-boost-from-sd-card-cache/ | Dreamcast Homebrew Gets Boost From SD Card Cache | Tom Nardi | [
"classic hacks",
"Games"
] | [
"cache",
"doom",
"dreamcast",
"homebrew",
"sd card"
] | While it might have been a commercial failure compared to contemporary consoles, the Sega Dreamcast still enjoys an active homebrew scene more than twenty years after its release. Partly it’s due to the fact that you can burn playable Dreamcast discs on standard CD-Rs, but fans of the system will also point out that th... | 10 | 7 | [
{
"comment_id": "6354145",
"author": "Alex Rossie",
"timestamp": "2021-06-05T16:11:14",
"content": "Dreamcast is an excellent modding platform.Often the piracy is blamed for its downfall but in fact SEGA simply had a succession of mismanaged launches and ended their career as console makers.The DC h... | 1,760,373,062.933902 | ||
https://hackaday.com/2021/06/04/old-textbooks-galore/ | Old Textbooks Galore | Chris Lott | [
"downloads hacks"
] | [
"expired copyright",
"pdf",
"reference books",
"technical manuals",
"textbooks"
] | This
collection of public domain books
proclaims to not be about survival, but for survivors. It is a extensive collection of text books, manuals, etc., in over 150 categories from Accounting to Woodworking. Because of the copyright duration laws, most are around one hundred years old.
You might not want to have your a... | 41 | 12 | [
{
"comment_id": "6354036",
"author": "Experienced Experimenter",
"timestamp": "2021-06-05T02:31:35",
"content": "Another oldie but goody spot for public domain and other freely distributable licenses:http://www.freeinfosociety.comProject Gutenberg has plenty of good non fiction:https://www.gutenberg... | 1,760,373,063.057922 |
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