url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2022/06/23/hackaday-prize-2022-multispectral-smartphone-camera-reveals-paintings-inner-secrets/ | Hackaday Prize 2022: Multispectral Smartphone Camera Reveals Paintings’ Inner Secrets | Robin Kearey | [
"digital cameras hacks",
"Phone Hacks"
] | [
"ir",
"multispectral imaging",
"pixel 3a",
"uv"
] | Multispectral imaging, or photography using wavelengths other than those in ordinary visible light, has various applications ranging from earth observation to forgery detection in art. For example, titanium white and lead white, two pigments used in different historical eras, look identical in visible light but have di... | 18 | 5 | [
{
"comment_id": "6486417",
"author": "JRD",
"timestamp": "2022-06-23T23:04:32",
"content": "Smartphone cameras do have a lot of features, but that was a lot of work to customize. Wouldn’t it be easier to start with the Pi camera module (IR version), which is already a bare sensor? (Assuming you alre... | 1,760,372,655.037868 | ||
https://hackaday.com/2022/06/23/pocket-computer-reminds-us-of-pdas/ | Pocket Computer Reminds Us Of PDAs | Bryan Cockfield | [
"Arduino Hacks"
] | [
"arduino",
"breakout",
"calculator",
"calendar",
"computer",
"game",
"memory",
"nano",
"pc",
"pda",
"phonebook",
"pocket",
"stopwatch"
] | Before smartphones exploded on the scene in the late 00s, there was still a reasonable demand for pocket-sized computers that could do relatively simple computing tasks. Palm Pilots and other PDAs (Personal Digital Assistants) were all the rage in the ’90s and early ’00s, although for cutting-edge tech from that era pl... | 9 | 6 | [
{
"comment_id": "6486398",
"author": "philosiraptor117",
"timestamp": "2022-06-23T21:37:43",
"content": "shoulda looked at a esp8266. wifi, rudimentary mp3 capability, analog video output if you try hard enough, cheaper too",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,655.082741 | ||
https://hackaday.com/2022/06/23/starpointer-keeps-scope-on-target-with-stellarium/ | StarPointer Keeps Scope On Target WithStellarium | Tom Nardi | [
"Peripherals Hacks",
"Space"
] | [
"accelerometer",
"amateur astronomy",
"astronomy",
"magnetometer",
"stm32",
"telescope"
] | On astronomical telescopes of even middling power, a small “finderscope” is often mounted in parallel to the main optics to assist in getting the larger instrument on target. The low magnification of the finderscope offers a far wider field of view than the primary telescope, which makes it much easier to find small ob... | 19 | 7 | [
{
"comment_id": "6486343",
"author": "mrehorst",
"timestamp": "2022-06-23T18:43:09",
"content": "I made a device that uses Google Sky Map and a green laser pointer to locate objects and point to them:https://www.instructables.com/Space-Laser-Manual-Go-To-for-Your-Telescope/",
"parent_id": null,
... | 1,760,372,655.135942 | ||
https://hackaday.com/2022/06/23/sea-level-rise-from-melting-ice-sheets-could-soon-be-locked-in/ | Sea Level Rise From Melting Ice Sheets Could Soon Be Locked In | Lewin Day | [
"green hacks",
"Hackaday Columns",
"Science",
"Slider"
] | [
"climate change",
"environment",
"glacier",
"global warming",
"ice",
"melt",
"nasa",
"science",
"tipping points"
] | Where today we talk broadly of climate change and it’s various effects, the conversation was once simpler. We called it “global warming” and fretted about cooking outside in the summer and the sea level rise that would claim so many of our favorite cities.
Scientists are now concerned that sea level rises could be lock... | 124 | 40 | [
{
"comment_id": "6486312",
"author": "That kid",
"timestamp": "2022-06-23T17:31:24",
"content": "Troll, be gone",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6486323",
"author": "mime",
"timestamp": "2022-06-23T17:44:10",
"content": ... | 1,760,372,655.50021 | ||
https://hackaday.com/2022/06/23/faux-retro-tape-player-runs-on-esp32-and-80s-vibes/ | Faux-Retro “Tape” Player Runs On ESP32 And 80s Vibes | Tom Nardi | [
"digital audio hacks",
"Microcontrollers"
] | [
"1980's",
"audiobook",
"cherry mx",
"ESP32",
"I2S",
"retro"
] | At first glance, this
gorgeous retro-styled audio player built by [Max Kern]
could absolutely pass for the genuine article. But then you take a closer look and realize that the “tape” it’s playing is actually an animation running on a 320 x 240 IPS display, and the Play and Rewind buttons on the front aren’t the chunky... | 31 | 15 | [
{
"comment_id": "6486291",
"author": "L0rdRav3n",
"timestamp": "2022-06-23T15:33:48",
"content": "Shutup and take my money!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6486292",
"author": "L0rdRav3n",
"timestamp": "2022-06-23T15:37:34",
... | 1,760,372,655.298014 | ||
https://hackaday.com/2022/06/21/inside-3d-printing-shoes/ | Inside 3D Printing Shoes | Al Williams | [
"3d Printer hacks",
"Wearable Hacks"
] | [
"shoes"
] | If you’ve ever thought about 3D printing shoes, you’ll enjoy watching the video below about a
Portland-based company
that creates shoes on demand using an HP MJF 5200 3D printer. Granted, this isn’t a printer you likely have in your basement. The one-ton printer costs up to a half-million dollars but watching it do its... | 20 | 7 | [
{
"comment_id": "6485955",
"author": "RW ver 0.0.3",
"timestamp": "2022-06-22T01:54:51",
"content": "I dispute your math, 12 pairs a day at $100 profit per pair, 300 working days a year is $360,000. List price of printer is $270,000",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,655.551987 | ||
https://hackaday.com/2022/06/21/teensy-spectrum-analyzer-has-170-channels/ | Teensy Spectrum Analyzer Has 170 Channels | Bryan Cockfield | [
"News"
] | [
"audio",
"channels",
"data",
"fft",
"hi-fi",
"ram",
"spectrum",
"stereo",
"Teensy",
"visualizer",
"VU meter"
] | While high-fidelity audio has come a long way in the past several decades, a lot of modern stereo equipment is still missing out on some of the old analog meters that were common on amplifiers and receivers of the 60s through the 80s. Things like VU meters don’t tend to be common anymore, but it is possible to build th... | 14 | 6 | [
{
"comment_id": "6485919",
"author": "The Electronic Engineer",
"timestamp": "2022-06-21T20:21:08",
"content": "Very kind review thank you! ( The electronic engineer, me…) For those interested…on my youtube channel you’ll find more open source spectrum analyzers.",
"parent_id": null,
"depth"... | 1,760,372,655.342614 | ||
https://hackaday.com/2022/06/21/casting-parts-in-urethane-tips-from-a-master/ | Casting Parts In Urethane: Tips From A Master | Elliot Williams | [
"how-to"
] | [
"casting",
"molding",
"urethane"
] | When you want a couple copies of a thing, you can 3D print ’em. When you want a ton of them, you might consider making a mold. If those are the shoes you’re in, you should check out
this video from [Robert Tolone]
(embedded below). Or heck, just check out
all
of his videos.
Even just in this single video from a couple ... | 11 | 5 | [
{
"comment_id": "6485922",
"author": "Jasper",
"timestamp": "2022-06-21T20:48:40",
"content": "I recently got recommended 1 of Roberts videos, and now I can’t stop watching them. I really enjoy them",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6485982",
... | 1,760,372,654.985457 | ||
https://hackaday.com/2022/06/21/edging-ahead-when-learning-on-the-edge/ | Edging Ahead When Learning On The Edge | Matthew Carlson | [
"Artificial Intelligence",
"Featured",
"Interest",
"Slider",
"Software Development"
] | [
"ai",
"pytorch",
"pytorch lite",
"react native",
"reactna",
"tensorflow",
"Tensorflow Lite",
"tutorial"
] | “With the
power
of edge AI in the palm of your hand, your business will be
unstoppable.
”
That’s what the marketing seems to read like for artificial intelligence companies. Everyone seems to have cloud-scale AI-powered business intelligence analytics at the edge. While sounding impressive, we’re not convinced that mar... | 10 | 4 | [
{
"comment_id": "6485877",
"author": "Ostracus",
"timestamp": "2022-06-21T17:25:10",
"content": "I could see “edge” being handy on say routers for better threat detection. The current methods like Trend need the cloud to function.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,655.231881 | ||
https://hackaday.com/2022/06/21/a-simple-rp2040-based-audio-dsp-board/ | A Simple RP2040-Based Audio DSP Board | Dave Rowntree | [
"computer hacks"
] | [
"dsp",
"eurorack",
"rp2040",
"synth",
"Vult"
] | If you’re one of those people who got into building electronics for the purpose of making music, then this
Raspberry Pi RP2040-based audio DSP project
by [DatanoiseTV] might be of interest. Provided is a FreeRTOS template application for creating Eurorack compatible synthesizers, effects processors, and similar DSP-bas... | 11 | 6 | [
{
"comment_id": "6485843",
"author": "not",
"timestamp": "2022-06-21T16:04:04",
"content": "The RP2040 is talented: it is available. Damn, if only it was fast enough to bitbang USB2.0…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6485849",
"author"... | 1,760,372,655.183458 | ||
https://hackaday.com/2022/06/21/linux-fu-docking-made-easy/ | Linux Fu: Docking Made Easy | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Slider",
"Software Hacks"
] | [
"containerization",
"docker",
"linux"
] | Most computer operating systems suffer from some version of “DLL hell” — a decidedly Windows term, but the concept applies across the board. Consider doing embedded development which usually takes a few specialized tools. You write your embedded system code, ship it off, and forget about it for a few years. Then, the e... | 20 | 11 | [
{
"comment_id": "6485807",
"author": "Anonymous",
"timestamp": "2022-06-21T14:12:44",
"content": "Let’s keep hackaday docker-free, shall we?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6485810",
"author": "Ostracus",
"timestamp": "2022-06-... | 1,760,372,655.615288 | ||
https://hackaday.com/2022/06/21/up-in-the-sky-its-a-bird-its-a-drone-oh-yeah-its-a-drone/ | Up In The Sky… It’s A Bird… It’s A Drone… Oh Yeah, It’s A Drone | Al Williams | [
"drone hacks",
"Science"
] | [
"biomimickry",
"flying"
] | One staple of science fiction is the ornithopter, which is a plane with moving wings. While these haven’t proved very practical in the general sense, a recent paper talks about
mimicking natural wings changing shape
to improve maneuverability in drones and other aircraft. In particular, the paper talks about how the fl... | 15 | 4 | [
{
"comment_id": "6485764",
"author": "Varga Tom",
"timestamp": "2022-06-21T11:38:22",
"content": "Wow love that chemtrail :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6485773",
"author": "paulvdh",
"timestamp": "2022-06-21T12:07:06",
"content"... | 1,760,372,655.750695 | ||
https://hackaday.com/2022/06/21/no-tool-left-behind-with-the-help-of-homemade-shadow-boards/ | No Tool Left Behind With The Help Of Homemade Shadow Boards | Dan Maloney | [
"Tool Hacks"
] | [
"cabinet",
"opencv",
"organization",
"outline",
"potrace",
"python",
"shadow",
"shop",
"Silhouette",
"storage",
"tool"
] | Shadowed tool storage — where a tool outline shows at a glance what’s missing from storage — is a really smart way to keep your shop neat. They’re also super important for cases where a tool left behind could be a tragedy. Think, where’s-that-10-mm-socket-while-working-on-a-jet-engine? important. (It’s always the 10-mm... | 38 | 15 | [
{
"comment_id": "6485721",
"author": "Krzysztof",
"timestamp": "2022-06-21T08:04:33",
"content": "Heh, you’ve reminded me I have to buy some more 10mm wrenches, I swear they have something like half-life time on them.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,372,655.877253 | ||
https://hackaday.com/2022/06/20/wonderful-foldable-printable-dodecahedron/ | Wonderful Foldable Printable Dodecahedron | Elliot Williams | [
"3d Printer hacks"
] | [
"3d print",
"dodecahedron"
] | Debra Ansell of [GeekMomProjects] fame came up with a neat,
3D design
that prints flat and then folds up into everyone’s favorite Platonic solid: a D12.
Why would you want to do this? Well, folding up your 3D prints gives you a third dimension “for free” without using all that support material. Here, all of the outside... | 14 | 6 | [
{
"comment_id": "6485700",
"author": "pelrun",
"timestamp": "2022-06-21T05:54:31",
"content": "Now I’m envisioning using a tool like Pepakura Designer to convert a 3d model to a papercraft net, and then transforming that into a model like this.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,372,655.797298 | ||
https://hackaday.com/2022/06/20/blinking-an-arduino-led-in-julia/ | Blinking An Arduino LED, In Julia | Elliot Williams | [
"Microcontrollers",
"Software Hacks"
] | [
"arduino",
"AVR",
"julia",
"llvm",
"programming"
] | The Julia programming language is a horrible fit for a no-frills microcontroller like the ATMega328p that lies within the classic Arduino,
but that didn’t stop [Sukera] from trying, and succeeding
.
All of the features that make
Julia
a cool programming language for your big computer make it an awful choice for the Ard... | 11 | 4 | [
{
"comment_id": "6485689",
"author": "Drone",
"timestamp": "2022-06-21T04:22:46",
"content": "“By the time that Julia is wedged into the AVR, a lot of what makes it appealing on the big computers is missing on the micro…”Just because something is doable, doesn’t mean it should be done.",
"parent... | 1,760,372,656.166982 | ||
https://hackaday.com/2022/06/20/3d-printed-concrete-beam-improves-sustainability/ | 3D Printed Concrete Beam Improves Sustainability | Al Williams | [
"3d Printer hacks",
"News"
] | [
"architecture",
"concrete"
] | Many of the 3D printed houses and structures we’ve seen use concrete and are — frankly — a little underwhelming. Making big squares out of concrete isn’t that hard and while we are sure there is some benefit, it isn’t overwhelming. [Andy Coward] apparently felt the same way and set out to find ways that 3D printing cou... | 38 | 10 | [
{
"comment_id": "6485637",
"author": "Ostracus",
"timestamp": "2022-06-20T23:27:58",
"content": "“Removing unneeded material is hardly a new technique, of course. ”The evolution of VCRs to near 100% plastic, and less materials. Or computers, and look at how long they last.",
"parent_id": null,
... | 1,760,372,656.52438 | ||
https://hackaday.com/2022/06/20/dont-mind-if-i-ski-do/ | Don’t Mind If I Ski-Do | Matthew Carlson | [
"Transportation Hacks"
] | [
"boat",
"boatbuilding",
"jetski",
"skidoo",
"watersports"
] | There is an age-old tradition among hackers of just making it yourself. Whether the real thing is too expensive or you think you can make a better one, the itch strikes, and it can quickly spread. [Homemade Madness] has quite the itch
as he builds his own jetski
.
What is a jetski but a boat with a shell on top? In an ... | 6 | 4 | [
{
"comment_id": "6485604",
"author": "Tom Brusehaver",
"timestamp": "2022-06-20T20:37:53",
"content": "He’s done a good job.Someone should look into foam cores for the bulkheads and skinning. Much lighter and easier to work with.Bi-directional cloth shouldn’t be sanded smooth, the fibers removed dec... | 1,760,372,656.11428 | ||
https://hackaday.com/2022/06/20/scrambling-pocket-calculators-made-easy-with-emp-box-v2/ | Scrambling Pocket Calculators Made Easy With EMP Box V2 | Donald Papp | [
"High Voltage"
] | [
"em glitching",
"emp",
"high voltage",
"perfboard",
"spark gap",
"voltage multiplier"
] | [Rostislav Persion] has for some time been interested in making
small, portable EMP devices
capable of interfering with nearby electronics. In these EMP devices, high voltage is used to create a portable
spark gap
generator, whose operation in turn creates electromagnetic pulses capable of resetting or scrambling nearb... | 47 | 10 | [
{
"comment_id": "6485568",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-06-20T18:49:28",
"content": "Is he doing this in a Faraday cage?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6486445",
"author": "ThingEngineer",
... | 1,760,372,656.249846 | ||
https://hackaday.com/2022/06/20/working-with-bgas-design-and-layout/ | Working With BGAs: Design And Layout | Robin Kearey | [
"Engineering",
"Featured",
"how-to",
"Parts",
"Slider"
] | [
"bga",
"how-to",
"PCB design"
] | The Ball Grid Array, or BGA package is no longer the exclusive preserve of large, complex chips on computer motherboards: today even simple microcontrollers are available with those little solder balls. Still, many hobbyists prefer to stay with QFP and QFN packages because they’re easier to solder. While that is a fair... | 27 | 14 | [
{
"comment_id": "6485541",
"author": "BrendaEM",
"timestamp": "2022-06-20T17:34:04",
"content": "Good article! Thank you!+1 Community-Point for making it Kicad-aware.There’s lots of info. More information than one pass, for me. I am bookmarking this to reread it for the next days.",
"parent_id":... | 1,760,372,656.319019 | ||
https://hackaday.com/2022/06/20/breaking-google-nest-hubs-secure-boot/ | Breaking Google Nest Hub’s Secure Boot | Arya Voronova | [
"home hacks",
"Linux Hacks",
"Reverse Engineering"
] | [
"google nest hub",
"nest",
"nest hub",
"ubuntu"
] | [frederic] tells a story about their team’s
hack of a Google Nest Hub
(2nd generation) — running Ubuntu on it, through bypassing Google’s boot image signature checks. As with many good hacks, it starts with FCC website pictures. Reverse-engineering a charger and USB daughterboard pin-out, they found a UART connection a... | 4 | 2 | [
{
"comment_id": "6485522",
"author": "Pinderschloss",
"timestamp": "2022-06-20T15:46:05",
"content": "Dup’seehttps://hackaday.com/2022/06/17/this-week-in-security-pacman-hetzbleed-and-the-death-of-internet-explorer/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,656.073616 | ||
https://hackaday.com/2022/06/20/automate-the-freight-the-convenience-store-that-comes-to-your-door/ | Automate The Freight: The Convenience Store That Comes To Your Door | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Automate the Freight",
"convenience store",
"delivery",
"DoorDash",
"junk food",
"self-driving",
"Uber Eats"
] | For as popular as they became during the COVID-19 lockdowns, grocery delivery services like InstaCart rely on a basic assumption to work: that customers know exactly what they want when they order. Once that hurdle is overcome, the transaction is simple — the driver accepts the job, drives to the store to pick up the o... | 45 | 11 | [
{
"comment_id": "6485493",
"author": "Zach",
"timestamp": "2022-06-20T14:15:25",
"content": "I love technology.I hate how we are using it.Intelligence in some people is a horseshoe shaped spectrum.Ideas like this are so brilliant they’re dumb, and even dangerous.It’s time for the human race to stop ... | 1,760,372,656.397069 | ||
https://hackaday.com/2022/06/20/raspberry-pi-simulates-the-real-analog-tv-experience/ | Raspberry Pi Simulates The Real Analog TV Experience | Dan Maloney | [
"classic hacks"
] | [
"arduino",
"ATSC",
"composite",
"noise",
"raspberry pi",
"retro",
"STATIC",
"tv",
"video"
] | If you’ve laid hands on a retro analog TV, have the restoration bug, and you plan to make the final project at least somewhat period-correct, you face a bit of a conundrum: what are you going to watch? Sure, you can serve up just about any content digitally these days, but some programs just don’t feel right on an old ... | 18 | 10 | [
{
"comment_id": "6485485",
"author": "KDawg",
"timestamp": "2022-06-20T13:45:14",
"content": "impressive, managed to use a PI AND an Arduino",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6485488",
"author": "Anathae",
"timestamp": "2022-06-2... | 1,760,372,656.454413 | ||
https://hackaday.com/2022/06/20/ps5-goes-on-slim-fast/ | PS5 Goes On Slim-Fast | Matthew Carlson | [
"Playstation Hacks"
] | [
"copper",
"diy perks",
"playstation",
"PlayStation 5",
"ps5 slim",
"water cooling",
"watercooled"
] | For the past few decades, most console makers have first come out with a large flagship model, and then a few years later, released a smaller, more compact slim edition. Not content to wait for it, [Matt] at
DIY Perks
made his own PS5 Slim
, and the results are awe-inspiring.
Generally, slim editions are made by loweri... | 28 | 7 | [
{
"comment_id": "6485427",
"author": "Glaskows",
"timestamp": "2022-06-20T08:14:09",
"content": "If you measure the volume of the whole system, including the power supply and water cooling pump/radiator/tubing, then it is not slimmer than a PS5. It is bulkier, uglier and harder to manipulate.It seem... | 1,760,372,656.642947 | ||
https://hackaday.com/2022/06/19/this-arduino-pen-plotter-is-built-for-speed/ | This Arduino Pen Plotter Is Built For Speed | Dan Maloney | [
"Misc Hacks"
] | [
"arduino",
"pen",
"plotter",
"stepper",
"X-Y"
] | We see a lot of simple pen plotter projects around here, and while we appreciate them one and all, most of them are a little on the slow side. That’s OK — a glacial pace is sometimes all that’s needed, as long as it gets the job done. But there’s nothing wrong with putting the pedal to the metal, so to speak. And that’... | 20 | 10 | [
{
"comment_id": "6485407",
"author": "mrehorst",
"timestamp": "2022-06-20T05:39:52",
"content": "The clothespin spring belt tensioner is there because the working side of the belt is not parallel to the guide rails. That leads to varying tension and distorted drawings. The fix is to reposition the p... | 1,760,372,656.576479 | ||
https://hackaday.com/2022/06/19/your-own-ibm-mainframe-or-vax-or-cray-the-easy-way/ | Your Own IBM Mainframe (or Vax, Or Cray…) The Easy Way | Al Williams | [
"Retrocomputing"
] | [
"DEC",
"docker",
"ibm",
"retrocomputing",
"vax"
] | If you want the classic experience of working with an IBM mainframe or another classic computer like a DEC VAX, you have a few choices. You could spend a lot of money trying to find one, transport it, and refurbish it. But, of course, most of us will settle for an emulator. While there are great emulators out there, mo... | 35 | 17 | [
{
"comment_id": "6485385",
"author": "gregg4",
"timestamp": "2022-06-20T02:15:56",
"content": "A good start.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6486184",
"author": "Warren",
"timestamp": "2022-06-23T00:07:46",
"content": "... | 1,760,372,656.709834 | ||
https://hackaday.com/2022/06/19/hackaday-links-june-19-2022/ | Hackaday Links: June 19, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"cruise line",
"Ducted Fan",
"e-ink",
"et",
"eVTOL",
"first light",
"hackaday links",
"james webb space telescope",
"jwst",
"license plate",
"lilium",
"SETI",
"Starlink"
] | The James Webb Space Telescope has had a long and sometimes painful journey from its earliest conception to its ultimate arrival at Lagrange point L2 and subsequent commissioning. Except for the buttery-smooth launch and deployment sequence, things rarely went well for the telescope, which suffered just about every ima... | 11 | 5 | [
{
"comment_id": "6485342",
"author": "deshipu",
"timestamp": "2022-06-19T23:14:23",
"content": "Note that Earth has been hit with Chicxulub-grade impactors repeatedly.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6485950",
"author": "Brad Ackerman"... | 1,760,372,656.916311 | ||
https://hackaday.com/2022/06/19/tips-for-winding-durable-coils-with-nice-flat-sides/ | Tips For Winding Durable Coils With Nice, Flat Sides | Donald Papp | [
"Tool Hacks"
] | [
"coil gun",
"coil winding",
"turn counter"
] | [Drew Pilcher] needed durable, custom-wound coils with no core, and perfectly flat sides. Coils can be wound by hand, of course, but reliably creating perfect coils with thin wire and lots of layers requires some additional help. Happily,
[Drew] shares his method for doing exactly that
. Perhaps coming as no surprise, ... | 14 | 6 | [
{
"comment_id": "6485300",
"author": "Foldi-One",
"timestamp": "2022-06-19T20:22:36",
"content": "While in this case I could see a video demo being good too its so nice to see a proper article format guide, that gives you that really perfect close up of all the tools and key moments and lets you sea... | 1,760,372,656.86614 | ||
https://hackaday.com/2022/06/19/openasar-tweaks-discords-frontend-improves-performance-and-privacy/ | OpenAsar Tweaks Discord’s Frontend, Improves Performance And Privacy | Arya Voronova | [
"Reverse Engineering",
"Software Development",
"Software Hacks"
] | [
"Discord",
"electron",
"OpenAsar"
] | Not all hacking happens on hardware — every now and then, we ought to hack our software-based tools, too. [Ducko] tells us about a partially open-source
rewrite
of Discord’s Electron-based frontend. Web apps can be hard to tinker with, which is why such projects are to be appreciated. Now, this isn’t a reverse-engineer... | 14 | 4 | [
{
"comment_id": "6485261",
"author": "gudenau",
"timestamp": "2022-06-19T17:32:01",
"content": "The biggest problem with stuff like this is the ToS forbids modifications. This might just get you banned.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6485283"... | 1,760,372,656.966653 | ||
https://hackaday.com/2022/06/19/can-a-drone-push-a-bike/ | Can A Drone Push A Bike? | Matthew Carlson | [
"drone hacks",
"News",
"Transportation Hacks"
] | [
"3D printed gears",
"drone motor",
"electric bike",
"why not"
] | It sounds like a rhetorical question that a Midwestern engineer might ask, something on the order of ‘can you fix this bad PCB spin?’ [Tom Stanton] sets out to answer the title question and ends up building a
working e-bike with a drone motor
.
You might be thinking,
a motor is a motor; what’s the big deal?
But a drone... | 20 | 11 | [
{
"comment_id": "6485210",
"author": "paulvdh",
"timestamp": "2022-06-19T15:02:42",
"content": "I’d say that power ratings for hobby-level BLDC motors are about as trustworthy as that of sound systems.I also find it a bit sad they destroyed a motor in the process. Measuring the temperature on the ou... | 1,760,372,657.023258 | ||
https://hackaday.com/2022/06/19/animate-arcane-protocols-with-interrupt-backed-bitbanging/ | Animate Arcane Protocols With Interrupt-Backed Bitbanging | Arya Voronova | [
"how-to",
"Microcontrollers",
"Software Development"
] | [
"atmega",
"atmega328p",
"interrupts",
"linear timecode",
"ltc",
"precision",
"timers"
] | We often take our “SoftwareSerial” libraries for granted, and don’t investigate what goes on under the hood — until they fail us, at least. Would you like to learn how to harness the power of interrupt-driven bitbanging? [Jim Mack]
teaches us how to make our protocol implementations fly
using the LTC protocol as a spri... | 10 | 6 | [
{
"comment_id": "6485196",
"author": "KenN",
"timestamp": "2022-06-19T14:38:40",
"content": "LTC is not trivial to implement fully, especially when reading it at different speeds and using it to sync tape transports or other hardware. 20+ years ago, the few systems capable of syncing tape machines ... | 1,760,372,657.065152 | ||
https://hackaday.com/2022/06/19/rgb-7-segment-display-module-glows-in-all-the-colours/ | RGB 7-Segment Display Module Glows In All The Colours | Lewin Day | [
"LED Hacks"
] | [
"7-segment display",
"led"
] | While 7-segment displays are all well and good, they’re considered a bit old hat these days. This project from [Matt Deeds] brings them screaming into the future, though,
sporting every color under the rainbow.
[Matt’s] build consists of a PCB filled with SK6812 side-mount LEDs, laid out in a typical 7-segment pattern.... | 4 | 3 | [
{
"comment_id": "6485134",
"author": "Networm",
"timestamp": "2022-06-19T11:46:04",
"content": "Good project, just need more flux.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6485146",
"author": "Jan",
"timestamp": "2022-06-19T12:16:22",
"conten... | 1,760,372,657.109803 | ||
https://hackaday.com/2022/06/18/insteon-gets-another-chance/ | Insteon Gets Another Chance | Arya Voronova | [
"home hacks",
"News"
] | [
"bankruptcy",
"home automation",
"Insteon",
"internet of things",
"IoT",
"miracle",
"proprietary",
"smart home"
] | It would appear that, sometimes, miracles happen. A few days ago,
an update graced the website of Insteon,
a company
whose abrupt shuttering we covered in detail two months ago.
An entity described as “small group of passionate Insteon users” has bought what was left of the company, and is working on getting the infras... | 31 | 9 | [
{
"comment_id": "6485055",
"author": "Drone",
"timestamp": "2022-06-19T06:58:45",
"content": "Wikipedia says Smartlabs who runs Insteon tried to sell it and when that failed someone was appointed to try and “optimize” the assets of the company. From Wikipedia:In a community statement published on th... | 1,760,372,657.173512 | ||
https://hackaday.com/2022/06/18/balancing-a-motor-with-an-oscilloscope/ | Balancing A Motor With An Oscilloscope | Dan Maloney | [
"Tool Hacks"
] | [
"balance",
"dynamic",
"fft",
"motor",
"oscilloscope",
"power tool",
"spectrum analyzer",
"vibration"
] | With all things in life, one must seek to achieve balance. That may sound a little like New Age woo-woo, but if you think it’s not literally true, just try tolerating a washing machine with a single comforter on spin cycle, or driving a few miles on unbalanced tires.
Anything that rotates can quickly spin itself into s... | 17 | 10 | [
{
"comment_id": "6485047",
"author": "Tanner Bass",
"timestamp": "2022-06-19T06:14:47",
"content": "I’ve found that any piezo speaker makes a killer mechanical transducer, especially since even small signals can product 3Vp-p!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,657.222448 | ||
https://hackaday.com/2022/06/18/ikea-led-lamp-gets-hacked-for-night-light-duty/ | IKEA LED Lamp Gets Hacked For Night Light Duty | Lewin Day | [
"home hacks"
] | [
"ikea",
"lamp",
"night light"
] | IKEA make a lot of different lamps, including useful motion-sensitive models that can click on when you walk past. [Andrew Menadue] trialed one as a night light, but it was far too bright for the task. It also would come on during the day time, wasting its precious battery life when it wasn’t needed.
Thus, in order to ... | 7 | 3 | [
{
"comment_id": "6484923",
"author": "Olivier",
"timestamp": "2022-06-18T23:17:06",
"content": "Nice, not everything needs to be made from scratch with a 3d printer and Arduino, this sounds like a fairly simple ‘hack’ but that’s also its beauty, no need to re-invent the wheel and add to e-waste, cho... | 1,760,372,657.264051 | ||
https://hackaday.com/2022/06/18/custom-cycling-camper-continues-car-free/ | Custom Cycling Camper Continues Car-Free | Matthew Carlson | [
"Transportation Hacks"
] | [
"bike camper",
"bike camping",
"bike trailer",
"camper",
"trailer"
] | If you own a camper or RV, you might think twice when taking it out after giving gasoline prices a look. Towing all that extra weight and wind drag along can really eat into your fuel efficiency. [Drew] decided to keep the camper but take gasoline out of the equation by
building a teardrop trailer he pulls behind his b... | 36 | 9 | [
{
"comment_id": "6484880",
"author": "JC",
"timestamp": "2022-06-18T20:05:06",
"content": "That is a pretty neat idea. Wish the video could have been condensed a bit though!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6484936",
"author": "The Comm... | 1,760,372,657.665244 | ||
https://hackaday.com/2022/06/18/doodlestation-is-beautifully-musical-furniture/ | Doodlestation Is Beautifully Musical Furniture | Lewin Day | [
"Musical Hacks"
] | [
"music",
"Musical",
"synthesizer",
"visualizer"
] | Whether you’re a modular synth enthusiast or simply love the idea of rad electronic jams, we can all get behind the idea of crazy electronic instruments with buttons, dials, and patch cables galore. The Doodlestation is a wonderful example of that,
built by [Love Hulten].
There’s a custom 37-key keyboard that lets one ... | 7 | 4 | [
{
"comment_id": "6484876",
"author": "Dan",
"timestamp": "2022-06-18T19:30:20",
"content": "That is the best visualisation I’ve seen since winamp… love it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6485000",
"author": "The Commenter Formerly Known As ... | 1,760,372,657.442324 | ||
https://hackaday.com/2022/06/18/notkia-building-an-open-and-linux-powered-numpad-phone/ | Notkia: Building An Open And Linux-Powered Numpad Phone | Arya Voronova | [
"Phone Hacks"
] | [
"cell phone",
"nokia",
"nokia hack",
"notkia",
"numpad",
"open smartphone",
"open source cellphone",
"smartphone",
"smartphone hacking"
] | Many of us hackers have a longing for numpad-adorned mobile phones. We also have a shared understanding that, nowadays, such a phone has to be open and Linux-powered. Today’s project,
Notkia,
is the most promising and realistic effort at building a keypad phone that fits our requirements. Notkia is a replacement board ... | 42 | 8 | [
{
"comment_id": "6484836",
"author": "Drunken+Idiot",
"timestamp": "2022-06-18T14:09:17",
"content": "Errrr …… dunno if I am missing something here …. but can this ‘phone’ make phone calls? I see no 3/4G modules in the hardware lineup.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,657.596195 | ||
https://hackaday.com/2022/06/18/build-your-own-two-factor-authenticator-with-good-usb/ | Build Your Own Two-Factor Authenticator With Good USB | Lewin Day | [
"Security Hacks"
] | [
"2FA",
"badusb"
] | Two-factor authentication is becoming the norm for many applications and services, and security concerns around phone porting hacks are leading to a phaseout of SMS-based systems. Amidst that backdrop,
[Josh] developed his own authentication device by the name of Good USB.
The device can be built using a Arduino Leonar... | 19 | 6 | [
{
"comment_id": "6484819",
"author": "vcch",
"timestamp": "2022-06-18T13:17:00",
"content": "There is a bluetooth version using an off the shelf device :https://hackaday.io/project/171819-passstronger",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6484835",
... | 1,760,372,657.510994 | ||
https://hackaday.com/2022/06/18/can-you-cheat-at-tightrope-walking/ | Can You Cheat At Tightrope Walking? | Dave Rowntree | [
"Wearable Hacks"
] | [
"inertial",
"reaction wheel",
"self balancing"
] | Tightrope walking is no mean feat — it takes years to master (even with a balance rod) — but that’s too much like hard work for [James Bruton]. Obviously, the solution is just a matter of the application of some electronically-controlled balancing technology, and [James] is just the guy for the job. Bearing a passing r... | 14 | 6 | [
{
"comment_id": "6484790",
"author": "saabman",
"timestamp": "2022-06-18T09:07:27",
"content": "Isnt that what the long pole used by some tightrope walkers was all about? no batteries required",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6484854",
... | 1,760,372,657.71491 | ||
https://hackaday.com/2022/06/17/doom-ported-to-sega-naomi-arcade-hardware/ | DOOMPorted To Sega Naomi Arcade Hardware | Lewin Day | [
"Games"
] | [
"arcade",
"doom",
"sega",
"sega naomi"
] | Porting
DOOM
to new hardware and software platforms is a fun pastime for many in the hacker scene. [DragonMinded] noticed that nobody had ported the game to the Sega Naomi arcade hardware,
and set about doing so herself
.
The port builds on work by [Kristoffer Andersen] who built
a framebuffer port
of
DOOM
previously. ... | 8 | 4 | [
{
"comment_id": "6484785",
"author": "Josiah Gould",
"timestamp": "2022-06-18T08:08:49",
"content": "I imagine it wasn’t the most difficult port, as there are plenty of Doom ports to the Dreamcast. Still very impressive and I would love to get my hands on a cabinet to play.",
"parent_id": null,
... | 1,760,372,657.957958 | ||
https://hackaday.com/2022/06/17/your-buildings-rfid-access-tags-might-be-really-insecure/ | Your Building’s RFID Access Tags Might Be Really Insecure | Lewin Day | [
"Security Hacks"
] | [
"access tag",
"rfid",
"rfid tag",
"security"
] | [Gabe Schuyler] had a frustrating problem when it came to getting into his building’s garage. The RFID access system meant he had to remove his gloves while sitting on his motorcycle to fish out the keytag for entry.
He decided to whip up a better solution with less fuss.
His initial plan was to duplicate the keytag an... | 20 | 10 | [
{
"comment_id": "6484749",
"author": "hk",
"timestamp": "2022-06-18T02:27:29",
"content": "A Similar happend at my work place. To open the gates you have to touch your card to the reader. However the way my car is built I have to open the entire door to get access to the reader. So I got a proxmark ... | 1,760,372,657.765205 | ||
https://hackaday.com/2022/06/17/wooden-you-like-to-hear-a-cnc-cut-phonograph-record/ | Wooden You Like To Hear A CNC-Cut Phonograph Record? | Dan Maloney | [
"classic hacks"
] | [
"cnc",
"g-code",
"groove",
"mdf",
"phonograph",
"sample",
"spiral",
"victrola",
"wood"
] | Say what you will about [Thomas Edison], but it’s hard to deny the genius of his self-proclaimed personal favorite invention: the phonograph. Capturing sound as physical patterns on a malleable medium was truly revolutionary, and the basic technology that served as the primary medium of recorded sound for more than a c... | 22 | 8 | [
{
"comment_id": "6484734",
"author": "12AU76L6GC",
"timestamp": "2022-06-17T23:40:08",
"content": "Does anyone know how they mass produced gramaphone cylinders? The flat press is easy to understand with victrola records, but manufacturing recordings on shellac cylinders not so much.",
"parent_id... | 1,760,372,657.824365 | ||
https://hackaday.com/2022/06/17/hacking-a-new-display-into-a-fluke-8050a-multimeter/ | Hacking A New Display Into A Fluke 8050A Multimeter | Lewin Day | [
"Tool Hacks"
] | [
"fluke",
"graphical lcd",
"lcd",
"multimeter",
"segment lcd"
] | Old lab equipment was often built to last, and can give decades of service when treated properly. It’s often so loved that when one part fails, it’s considered well worth repairing rather than replacing with something newer. [Michael] did just that, putting in the work
to give his Fluke 8050A multimeter a shiny new dis... | 7 | 5 | [
{
"comment_id": "6484699",
"author": "mjrippe",
"timestamp": "2022-06-17T20:31:15",
"content": "I have seen several screen replacements for the 8050 over the years, but this is the best yet! I do wish it would be profitable to produce a kit though :-(",
"parent_id": null,
"depth": 1,
"r... | 1,760,372,658.055704 | ||
https://hackaday.com/2022/06/17/hackaday-prize-2022-turning-big-box-trash-into-art-student-treasure/ | Hackaday Prize 2022: Turning Big Box Trash Into Art Student Treasure | Kristina Panos | [
"Art",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"paint",
"pigment",
"rollers"
] | How can the big box store mix the perfect shade of English Wedgwood right before your eyes? The answer is in highly-concentrated pigments that come in many different sizes up to a whopping five gallons. Now, just imagine the amount of watercolor, acrylic, or other types of paint that could be made by simply scraping th... | 11 | 5 | [
{
"comment_id": "6484670",
"author": "RW v.34 bis",
"timestamp": "2022-06-17T18:38:46",
"content": "Plunder the corpse of a dying industry, doesn’t web offset printing such as used for newspapers and magazines use rollers for similar reasons? Guess plant sales would be the whole caboodle, not piece ... | 1,760,372,658.009716 | ||
https://hackaday.com/2022/06/17/nasa-mission-off-to-rough-start-after-astra-failure/ | NASA Mission Off To Rough Start After Astra Failure | Tom Nardi | [
"Current Events",
"Featured",
"Science",
"Slider",
"Space"
] | [
"Astra",
"constellations",
"darpa",
"nasa",
"noaa",
"orbital mechanics",
"weather satellite"
] | When Astra’s diminutive Rocket 3.3 lifted off from its pad at the Cape Canaveral Space Force Station on June 12th, everything seemed to be going well. In fact, the mission was progressing exactly to plan right up until the end — the booster’s second stage Aether engine appeared to be operating normally until it abruptl... | 14 | 6 | [
{
"comment_id": "6484658",
"author": "RW v.34 bis",
"timestamp": "2022-06-17T17:12:45",
"content": "Per ardua.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6484694",
"author": "Hirudinea",
"timestamp": "2022-06-17T19:59:34",
"conten... | 1,760,372,658.107922 | ||
https://hackaday.com/2022/06/17/hackaday-podcast-173-emf-camp-special-edition/ | Hackaday Podcast 173: EMF Camp Special Edition | Tom Nardi | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | With Editor-in-Chief Elliot Williams enjoying some time off, Managing Editor Tom Nardi is flying solo for this special edition of the Hackaday Podcast. Thanks to our roving reporter Jenny List, we’ll be treated to several interviews conducted live from EMF Camp — a European outdoor hacker camp the likes of which those ... | 0 | 0 | [] | 1,760,372,658.145544 | ||
https://hackaday.com/2022/06/17/laser-brings-autofocus-to-tricked-out-large-format-film-camera/ | Laser Brings Autofocus To Tricked-Out Large Format Film Camera | Dan Maloney | [
"Misc Hacks"
] | [
"autofocus",
"bellows",
"film",
"large format",
"lens",
"photography",
"range finder",
"viewfinder"
] | You can’t argue with the results of large-format film cameras — picture the boxy bellows held by a cigar-chomping big-city press photographer of the 1940s — but they don’t really hold a candle to the usability and portability of even the earliest generations of 35mm cameras. And add in the ease-of-use features of later... | 6 | 4 | [
{
"comment_id": "6484668",
"author": "Leigh Klotz",
"timestamp": "2022-06-17T18:20:54",
"content": "Hah! We announced this 25 years ago on April 1!https://www.graflex.org/articles/auto-focus.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6485414",
"au... | 1,760,372,658.184375 | ||
https://hackaday.com/2022/06/15/abacus-synthesizer-really-adds-up/ | Abacus Synthesizer Really Adds Up | Dan Maloney | [
"Musical Hacks"
] | [
"abacus",
"audio",
"encoder",
"filter",
"midi",
"modulation",
"polyphonic",
"synth",
"synthesizer",
"waveform"
] | The abacus has been around since antiquity, and takes similar forms over the hundreds of cultures that have embraced it. It may be one of the first devices to be considered as having a “user interface” in the modern context — at least for simple arithmetic calculations. But
using an abacus as the UI for a music synthes... | 4 | 3 | [
{
"comment_id": "6483936",
"author": "David",
"timestamp": "2022-06-15T14:36:43",
"content": "The spinner-slider things may be very useful in other builds. Since they’re purely mechanical, they could easily be overbuilt for public-facing applications where they might encounter a great deal of abuse.... | 1,760,372,658.445436 | ||
https://hackaday.com/2022/06/15/a-sleep-monitor-for-minimum-outlay/ | A Sleep Monitor For Minimum Outlay | Jenny List | [
"Medical Hacks"
] | [
"data logger",
"eeg",
"sleep",
"sleep monitor"
] | There are a variety of instruments used in sleep studies to measure bodily activity during sleep and consequent sleep quality. Many of them use techniques that perhaps aren’t so easy to replicate on the bench, but an EEG or electroencephalograph to measure brain waves can be achieved using a readily-available module. [... | 9 | 3 | [
{
"comment_id": "6483859",
"author": "BT",
"timestamp": "2022-06-15T08:12:15",
"content": "“…a sleep monitor using one of these modules, an EGG Mikroe Click”.Well that’s cracked that problem.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6483869",
"... | 1,760,372,658.294565 | ||
https://hackaday.com/2022/06/14/behold-the-mighty-floppotron-3-0/ | Behold The Mighty Floppotron 3.0 | Dave Rowntree | [
"Musical Hacks"
] | [
"flatbed scanner",
"floppy drive",
"hard disk",
"midi",
"music"
] | If anyone has been struggling to get hold of a 3.5″ floppy drive lately, we think we’ve got a clue as to why — behold,
the mighty floppotron 3.0
by [Paweł Zadrożniak.] With an utterly bonkers 512 floppy drives, four flatbed scanners and sixteen hard disks of various sizes, the floppotron 3.0 MIDI synthesiser is possibl... | 37 | 15 | [
{
"comment_id": "6483844",
"author": "BrightBlueJim",
"timestamp": "2022-06-15T05:54:32",
"content": "I am relieved to see that it has a big emergency stop switch, just in case it ever starts playing “Never Gonna Give You Up”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"... | 1,760,372,658.406281 | ||
https://hackaday.com/2022/06/14/the-rp2040-doth-a-motor-controller-make/ | The RP2040 Doth A Motor Controller Make | Jenny List | [
"Robots Hacks"
] | [
"farming robot",
"motor controller",
"rp2040"
] | When the Raspberry Pi people launched their RP2040 microcontroller, it seemed as though it might be destined as a niche product for those areas in which the Pi has traditionally been strong. But during the global semiconductor shortage, it has remained almost alone among microcontrollers in having plenty of fab capacit... | 28 | 9 | [
{
"comment_id": "6483815",
"author": "nobody",
"timestamp": "2022-06-15T02:06:49",
"content": "From the schematic it looks like it’s a dual motor controller with one RP2040. The “dual RP2040 motor controller” might need to be rearranged to be more clear.",
"parent_id": null,
"depth": 1,
... | 1,760,372,660.422483 | ||
https://hackaday.com/2022/06/14/recreating-a-camera-shot/ | Recreating A Camera Shot | Matthew Carlson | [
"3d Printer hacks",
"digital cameras hacks",
"Video Hacks"
] | [
"3d printed",
"camera"
] | People rolling off shields and spears clashing against swords as the camera zooms in and out wildly makes the hallmark action sequences in the movie
300
so iconic. Unfortunately, achieving this effect wasn’t particularly easy. Three cameras were rolling, each with a different lens (100mm, 50mm, and 21mm) to capture a d... | 14 | 6 | [
{
"comment_id": "6483839",
"author": "Neolker",
"timestamp": "2022-06-15T05:09:14",
"content": "Do not miss the Cameras and Accessories Contest on Printables.com whit this model/idea :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6483853",
"author": "Ch... | 1,760,372,660.362038 | ||
https://hackaday.com/2022/06/14/kved-an-embeddable-key-value-datastore/ | Kved: An Embeddable Key/Value Datastore | Dave Rowntree | [
"Microcontrollers",
"Software Hacks"
] | [
"dictionary",
"embedded development",
"flash",
"microcontroller",
"non-volatile storage"
] | At some point when developing embedded applications, you’re going to want to store unique values in non-volatile memory, values that can’t be fixed at compilation time. Many microcontrollers have a small amount of EEPROM memory for this very purpose, but it’s usually rather limited if it’s provided at all. Even if you ... | 7 | 7 | [
{
"comment_id": "6483772",
"author": "Joe Allen",
"timestamp": "2022-06-14T21:12:50",
"content": "Look for libnklabs on github, another variation of this kind of thing. It saves the serialized version of a structured RAM database in flash. We use it for configuration and calibration data for embed... | 1,760,372,660.542967 | ||
https://hackaday.com/2022/06/14/odd-inputs-and-peculiar-peripherals-the-morse-keyboard/ | Odd Inputs And Peculiar Peripherals: The Morse Keyboard | Jenny List | [
"contests",
"Peripherals Hacks"
] | [
"cw",
"hid",
"morse"
] | When it comes to rendering text input into an electronic form,the newest keyboards use USB for wired interfacing, while the oldest Morse keys use a single conductor. Shall the two ever meet? For [Matthew Sparks] the answer is yes, with his “
The Gadget
” Morse-to-USB HID interface which presents a Morse key to a comput... | 8 | 4 | [
{
"comment_id": "6483789",
"author": "Paul",
"timestamp": "2022-06-14T22:37:11",
"content": "Now, [Sparks] is a great name for a CW aficionado!We would be remiss if we did not mention Mitxela’s offerings in this space too:Hardware:https://mitxela.com/projects/morse_code_usb_keyboard_mk_iiAnd a softw... | 1,760,372,660.120943 | ||
https://hackaday.com/2022/06/17/this-week-in-security-pacman-hetzbleed-and-the-death-of-internet-explorer/ | This Week In Security: Pacman, Hertzbleed, And The Death Of Internet Explorer | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Hertzbleed",
"pacman",
"ping",
"This Week in Security"
] | There’s not one, but two side-channel attacks to talk about this week. Up first is
Pacman
, a bypass for ARM’s Pointer Authentication Code. PAC is a protection built into certain ARM Processors, where a cryptographic hash value must be set correctly when pointers are updated. If the hash is not set correctly, the progr... | 25 | 5 | [
{
"comment_id": "6484621",
"author": "Rog Fanther",
"timestamp": "2022-06-17T14:23:29",
"content": "“… and is slated to eventually be automatically uninstalled from Windows 10 machines.” … While a couple of buggy spyware get installed at the same tiime.Really, stopping support of it is ok, but unins... | 1,760,372,660.078149 | ||
https://hackaday.com/2022/06/17/3d-printer-helps-make-a-neat-lyric-video/ | 3D Printer Helps Make A Neat Lyric Video | Lewin Day | [
"3d Printer hacks"
] | [
"3d print",
"3d printing",
"lyric video",
"music video"
] | These days, it’s a lot easier to get attention online if your lovely music comes with some kind of visual accompaniment. Of course, shooting a full-scale music video can be expensive, so lyric videos have become a more affordable, approachable avenue that are growing in popularity. [prash] whipped one up recently
with ... | 4 | 2 | [
{
"comment_id": "6484638",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-06-17T15:34:21",
"content": "Who would suspect a secret message inside a 3D printed part?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6484992",
"author"... | 1,760,372,660.315617 | ||
https://hackaday.com/2022/06/17/72-diy-musical-instruments-played-in-7-minutes/ | 72 DIY Musical Instruments Played In 7 Minutes | Dave Rowntree | [
"Musical Hacks"
] | [
"beatbox",
"flute",
"PVC",
"ukelele",
"wind instruments"
] | Humans have been making musical instruments from whatever items are close at hand for thousands of years, and we aren’t showing any signs of slowing down yet, least of all artist [Nicolas Bras] and collaborator [Sandrine Morais.] They have been designing and constructing quite a number of DIY instruments over the years... | 9 | 4 | [
{
"comment_id": "6484558",
"author": "Viktor",
"timestamp": "2022-06-17T08:27:40",
"content": "Bicycle guitar :D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6484628",
"author": "Observer",
"timestamp": "2022-06-17T14:49:38",
"conte... | 1,760,372,660.012246 | ||
https://hackaday.com/2022/06/16/automated-blinds-can-be-a-cheap-and-easy-build/ | Automated Blinds Can Be A Cheap And Easy Build | Lewin Day | [
"home hacks"
] | [
"blinds",
"internet of things",
"IoT",
"NodeMCU",
"stepper motor"
] | Blinds are great for blocking out the sun, but having to get up to open and close them grows tiresome in this computationally-advanced age. [The Hook Up]
decided to automate his home blinds instead
, hooking them up to the Internet of Things with some common off-the-shelf parts.
The basic idea was to use stepper motors... | 24 | 10 | [
{
"comment_id": "6484518",
"author": "Mike",
"timestamp": "2022-06-17T05:11:34",
"content": "He says less than $10 per blind. Yet the driver board alone cost more than $10.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6484522",
"author": "RP",
... | 1,760,372,660.242552 | ||
https://hackaday.com/2022/06/16/will-the-real-commodore-please-stand-up/ | Will The Real Commodore Please Stand Up? | Jenny List | [
"Retrocomputing"
] | [
"c64",
"commodore",
"commodore 64",
"intellectual property"
] | The Commodore 64 is a much-loved 8-bit retro computer that first appeared in 1982 and finally faded away around a decade later. The Commodore company started by [Jack Tramiel] went on to make the Amiga, and eventually ceased trading some time in the late 1990s. All history, now kept alive only by enthusiasts, right? We... | 27 | 9 | [
{
"comment_id": "6484481",
"author": "Andrew",
"timestamp": "2022-06-17T02:06:49",
"content": "It’s Arduino vs Arduino again.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6484597",
"author": "Steven-X",
"timestamp": "2022-06-17T12:22:58",
... | 1,760,372,660.179088 | ||
https://hackaday.com/2022/06/16/3d-printed-gear-press-can-squash-stuff-kinda/ | 3D-Printed Gear Press Can Squash Stuff, Kinda | Lewin Day | [
"3d Printer hacks"
] | [
"3D printed gears",
"3d printer",
"gear",
"gear press",
"gearbox",
"gears",
"press"
] | A press is a useful thing to have, whether you like destroying stuff or you simply want to properly install some bearings. [Retsetman] decided to build one from scratch, eschewing the typical hydraulic method
for a geared design instead.
The benefit of going with a gear press design is that [Retsetman] was able to 3D p... | 2 | 1 | [
{
"comment_id": "6484510",
"author": "Jan",
"timestamp": "2022-06-17T04:19:40",
"content": "Hasn’t this exact presss/project been posted here already?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6484592",
"author": "sweethack",
"timestamp"... | 1,760,372,660.278852 | ||
https://hackaday.com/2022/06/16/1200-addressable-leds-make-for-the-perfect-first-dance/ | 1200 Addressable LEDs Make For The Perfect First Dance | Jenny List | [
"LED Hacks"
] | [
"addressable led",
"led",
"wedding dress"
] | The first dance of a newly married couple at the wedding reception is both a sentimental and memorable event, so why not make it even more so with something a bit special? Hackaday alumnus [Brett Haddoak] and his wife [Rachelle] certainly achieved that, with 1200 addressable LEDs
turning her wedding dress into a real-l... | 20 | 10 | [
{
"comment_id": "6484396",
"author": "Jan Praegert",
"timestamp": "2022-06-16T20:09:06",
"content": "+1This is what we need every day.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6484407",
"author": "Amy",
"timestamp": "2022-06-16T20:26:27",
"co... | 1,760,372,660.609094 | ||
https://hackaday.com/2022/06/15/pvc-pipe-transformed-into-handy-tool-box/ | PVC Pipe Transformed Into Handy Tool Box | Tom Nardi | [
"how-to",
"Tool Hacks"
] | [
"crafts",
"pipe",
"PVC",
"recycling"
] | Would you believe the multi-tiered toolbox pictured here started its life as a piece of bog standard PVC pipe? It certainly wouldn’t be our first choice of building material,
but as shown in the video after the break
, it only takes a heat source and something suitably flat to convert a piece of PVC pipe into a versati... | 18 | 11 | [
{
"comment_id": "6484141",
"author": "OSHA Inspector",
"timestamp": "2022-06-16T02:12:49",
"content": "Can’t believe this get posted and gets bumped on your twitter timeline without some warning about the dangers of heating PVC in the post itself. Not saying there is not a way to do this safely but ... | 1,760,372,660.765267 | ||
https://hackaday.com/2022/06/15/volvo-c30-custom-gauge-and-can-bus-reverse-engineering/ | Volvo C30 Custom Gauge And CAN Bus Reverse Engineering | Maya Posch | [
"car hacks"
] | [
"can-bus",
"volvo"
] | With cars being essentially CAN buses on wheels, it’s no wonder that there’s a lot of juicy information about the car’s status zipping about on these buses. The main question is usually how to get access to this information, both in terms of wiring into the relevant CAN bus, and decoding the used (proprietary) protocol... | 8 | 3 | [
{
"comment_id": "6484106",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-06-15T23:37:12",
"content": "It’s nice that Napoleon Dynamite found a life skill after his movie.B^)Using round LCDs as guages, great idea!Instead of cycling through readings, I would like several dedicate... | 1,760,372,660.916413 | ||
https://hackaday.com/2022/06/15/taking-another-swing-at-a-3d-printed-eye-of-agamotto/ | Taking Another Swing At A 3D Printed Eye Of Agamotto | Tom Nardi | [
"Wearable Hacks"
] | [
"clockwork",
"marvel",
"print finishing",
"prop"
] | Three years ago, [Enza3D] put together a 3D printed version of the Eye of Agamotto as seen in Marvel’s
Doctor Strange.
It was a good looking prop, but there was definitely some room for improvement in terms of screen accuracy and scale. With a new
Strange
film now in theaters, it seemed a good a time as any to
revisit ... | 4 | 4 | [
{
"comment_id": "6484092",
"author": "come2",
"timestamp": "2022-06-15T22:17:25",
"content": "Really cool prop : I like how he did it with only one motor for everything, it seems much more compact than the existing ones",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment... | 1,760,372,660.808444 | ||
https://hackaday.com/2022/06/15/odd-inputs-and-peculiar-peripherals-a-joystick-like-they-used-to-make/ | Odd Inputs And Peculiar Peripherals: A Joystick Like They Used To Make | Jenny List | [
"Peripherals Hacks",
"Retrocomputing"
] | [
"amiga",
"analog joystick",
"Joystick"
] | With the rise of the gamepad courtesy of several generations of game consoles, the joystick has become an almost forgotten peripheral, sidelined into the world of flight simulators with its design tending towards copying that of aircraft joysticks. Classic joysticks from the 8- and 16-bit eras were far more workaday de... | 6 | 1 | [
{
"comment_id": "6484001",
"author": "RW v.34 bis",
"timestamp": "2022-06-15T18:42:15",
"content": "Awww, I wanted a Snark Barker-esque name, I dunno, Quack Sheep II or something.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6484002",
"author": "RW... | 1,760,372,661.129127 | ||
https://hackaday.com/2022/06/15/mining-and-refining-helium/ | Mining And Refining: Helium | Dan Maloney | [
"chemistry hacks",
"Hackaday Columns",
"Slider"
] | [
"alpha particle",
"decay",
"distillation",
"helium",
"methane",
"Mining and Refining",
"natural gas",
"pressure swing adsorption",
"uranium"
] | With a seemingly endless list of shortages of basic items trotted across newsfeeds on a daily basis, you’d be pardoned for not noticing any one shortage in particular. But in among the shortages of everything from eggs to fertilizers to sriracha sauce has been a growing realization that we may actually be running out o... | 46 | 13 | [
{
"comment_id": "6483981",
"author": "Barry Schuijling",
"timestamp": "2022-06-15T17:27:10",
"content": "Tought it was about the cryptomining :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6484040",
"author": "Dan Maloney",
"timestamp": "... | 1,760,372,661.470188 | ||
https://hackaday.com/2022/06/15/a-handy-breakout-board-for-e-paper-hacking/ | A Handy Breakout Board For E-Paper Hacking | Tom Nardi | [
"Tool Hacks"
] | [
"breakout board",
"e-paper",
"e-paper display",
"electronic price tag",
"reverse engineering"
] | If you follow the exploits of [Aaron Christophel] (and trust us, you should), you’ll know that for some time now he’s been rather obsessed with electronic price tags, specifically those with e-paper displays. It’s certainly not hard to see why — these low-power devices are perfect for ambient displays, and their integr... | 5 | 3 | [
{
"comment_id": "6483966",
"author": "Per Jensen",
"timestamp": "2022-06-15T16:10:00",
"content": "2.5mm header, that’s a funky spacing for a pinheader.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6483977",
"author": "sjm4306",
"timestamp"... | 1,760,372,661.088026 | ||
https://hackaday.com/2022/06/15/eliza-and-the-google-intelligence/ | Eliza And The Google Intelligence | Al Williams | [
"Artificial Intelligence",
"Featured",
"Rants",
"Slider"
] | [
"ai",
"artificial consciousness",
"Rant"
] | The news has been abuzz lately with the news that a Google engineer — since put on leave — has
announced that he believes the chatbot he was testing achieved sentience
. This is the Turing test gone wild, and it isn’t the first time someone has anthropomorphized a computer in real life and in fiction. I’m not a neurosc... | 130 | 30 | [
{
"comment_id": "6483931",
"author": "DSLeecehr",
"timestamp": "2022-06-15T14:23:24",
"content": "I don’t agree with the following paragraph:But the way a computer typically plays chess doesn’t mimic how a human plays chess for the most part. It relies, instead, on its ability to consider many diffe... | 1,760,372,661.384584 | ||
https://hackaday.com/2022/06/16/comparing-3d-printed-tires-resin-vs-tpu/ | Comparing 3D Printed Tires: Resin Vs. TPU | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"tires",
"tyres"
] | Many robot builders and RC enthusiasts find themselves turning to 3D printed tires. The benefit is you can make them in any size and style you want, and they’re as readily available for as long as your home printer is still working.
[Michael Rechtin] printed some up and decided to see how long they’d actually last in u... | 21 | 8 | [
{
"comment_id": "6484378",
"author": "Gravis",
"timestamp": "2022-06-16T19:12:33",
"content": "For others who also didn’t know, TPU is short for Thermoplastic Polyurethane.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6484390",
"author": "The Comme... | 1,760,372,661.180303 | ||
https://hackaday.com/2022/06/16/turing-pi-2-the-low-power-cluster/ | Turing Pi 2: The Low Power Cluster | Jonathan Bennett | [
"computer hacks",
"hardware"
] | [
"cluster",
"Jetson",
"parallel processing",
"raspberry pi"
] | We’re not in the habit of recommending Kickstarter projects here at Hackaday, but when prototype hardware shows up on our desk, we just can’t help but play with it and write it up for the readers. And that is exactly where we find ourselves with
the Turing Pi 2
. You may be familiar with the original Turing Pi, the car... | 39 | 6 | [
{
"comment_id": "6484346",
"author": "peter",
"timestamp": "2022-06-16T17:57:45",
"content": "I love this idea,this is clearly a top-notch project, and I was looking for something like this very recently. But the economics make it a bit tricky to justify right now — a 16-core AMD Ryzen 9 with an ine... | 1,760,372,661.547571 | ||
https://hackaday.com/2022/06/16/theres-a-lego-suspension-dyno-now/ | There’s A LEGO Suspension Dyno Now | Lewin Day | [
"Toy Hacks"
] | [
"dynamometer",
"dyno",
"lego",
"motorbike",
"motorcycle"
] | When it comes to the development and testing of performance suspension, it’s helpful to have a test apparatus that lets you recreate certain conditions reliably.
This LEGO suspension dyno does just that
, and it’s clearly a big help for those doing R&D on minifig motorcycle suspension.
The build relies on four motors t... | 1 | 1 | [
{
"comment_id": "6484344",
"author": "targetdrone",
"timestamp": "2022-06-16T17:53:52",
"content": "Just brilliant.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,661.215785 | ||
https://hackaday.com/2022/06/16/office-life-the-old-gray-mare-she-aint-what-she-used-to-be/ | Office Life: The Old Gray Mare, She Ain’t What She Used To Be | Kristina Panos | [
"Featured",
"Rants",
"Slider"
] | [
"ergonomics",
"office",
"work life"
] | Ding, dong; the office is dead. The real office is in your head.
This is what I tell myself when working from home gets too weird, too stale, too impossible. By now, many of you know some version what I’m talking about. Our circumstances may vary wildly, but the outcome is the same: working from home is pretty awesome,... | 85 | 31 | [
{
"comment_id": "6484267",
"author": "Ostracus",
"timestamp": "2022-06-16T14:28:53",
"content": "” Suddenly, I went from toiling under a cold draft and fluorescent lights with my back to the door of a cubicle to working anywhere I wanted, whenever I wanted, and in whatever clothes I found comfortabl... | 1,760,372,661.763146 | ||
https://hackaday.com/2022/06/16/custom-40-model-f-keyboard-is-100-awesome/ | Custom 40% Model F Keyboard Is 100% Awesome | Kristina Panos | [
"Peripherals Hacks"
] | [
"Buckling Spring",
"capacitive",
"capacitive buckling springs",
"ibm",
"Model F",
"Model M"
] | Look closely at this beauty. No, that’s not a chopped IBM Model M or anything — it’s
a custom 40% capacitive buckling spring keyboard
with an ortholinear layout made by [durken]. Makes it easy to imagine an alternate reality where IBM still exists as IBM and has strong keyboard game, or one where Unicomp are making dre... | 41 | 7 | [
{
"comment_id": "6484223",
"author": "just passing",
"timestamp": "2022-06-16T11:31:51",
"content": "> One of the best things about a buckling spring keyboard is that each key sounds slightly different.I’m sure the household assistant recording your keystrokes and working out your password from them... | 1,760,372,661.948974 | ||
https://hackaday.com/2022/06/16/trs-80-luggable-gets-fresh-face-new-gear/ | TRS-80 Luggable Gets Fresh Face, New Gear | Tom Nardi | [
"Retrocomputing"
] | [
"luggable",
"restoration",
"retrobright",
"trs-80"
] | It’s true that this TRS-80 Model 4P “luggable” was in better shape than many of the vintage machines that pass through the hands of [Drygol], but that doesn’t make the
end result of its refurbishment and upgrade process any less impressive
. After all, not every rebuild has to be a once-in-a-lifetime achievement.
No, t... | 10 | 7 | [
{
"comment_id": "6484254",
"author": "Nick",
"timestamp": "2022-06-16T13:49:52",
"content": "I’ve had one of these for years, a guy who used to use it for work gave it to me when I was a teenager in the early 00’s, my friends and I would get a kick out of booting it up and playing some of the weird ... | 1,760,372,661.810956 | ||
https://hackaday.com/2022/06/15/diy-automated-printer-kerchunks-out-classic-embossed-labels/ | DIY Automated Printer Kerchunks Out Classic Embossed Labels | Dan Maloney | [
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"drm",
"dymo",
"embossed",
"label",
"label maker",
"servo"
] | For our money, the best label for pretty much any purpose is one of those embossed Dymo-style stick-on labels, the kind with the raised white letters. There’s just something about them — the raised letters just beg to be touched, their legibility is outstanding, they lend an unmatched retro feel to a project, and the e... | 28 | 8 | [
{
"comment_id": "6484170",
"author": "Mr Name Required",
"timestamp": "2022-06-16T05:41:10",
"content": "Very neat. Now all it needs is a mode where a tiny random amount is added or subtracted to the stepper position for each letter (or raqndom nth letter) to get a truly authentic slightly-wonky lab... | 1,760,372,661.87073 | ||
https://hackaday.com/2022/06/14/linux-fu-up-your-gdb-game/ | Linux Fu: Up Your GDB Game! | Al Williams | [
"Linux Hacks",
"Software Development"
] | [
"debugger",
"debugging",
"gdb",
"remote debugging"
] | If you want to buy a car, there are plenty of choices. If you want to buy a jetliner, there are fewer choices. If you want to use the Large Hadron Collider, you have a choice of exactly one. The harder something is to create, the less likely there is to be many of them. If you are looking for a Linux debugger, there ar... | 19 | 10 | [
{
"comment_id": "6483736",
"author": "X",
"timestamp": "2022-06-14T18:26:01",
"content": "There’s also emacs and VS Code, both have nice debugger integration, both are cross platform and both are free to use. emacs runs in a text window if you like that sort of thing. VS Code has a nice uniform int... | 1,760,372,662.102308 | ||
https://hackaday.com/2022/06/14/lmn-3-putting-the-op-in-open-source-synthesizers/ | LMN-3: Putting The ‘OP’ In Open Source Synthesizers | Sven Gregori | [
"digital audio hacks",
"Raspberry Pi"
] | [
"DAW",
"hyperpixel",
"midi",
"OP-1",
"Raspberry Pi 4",
"sequencer",
"synthesizer",
"Teensy 4.1"
] | Some projects you come across simply leave you in awe when you look at the thought and the resulting amount of work that went into it, not only for the actual implementation, but everything around it. Even more so when it’s a single-developer open source project. [Stone Preston]’s
synth / sampler / sequencer / DAW-in-a... | 10 | 9 | [
{
"comment_id": "6483714",
"author": "doragasu",
"timestamp": "2022-06-14T16:45:36",
"content": "Wait, that’s gorgeous! I have always wanted to build something like that, but never found the moment. Congrats!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6483... | 1,760,372,662.152803 | ||
https://hackaday.com/2022/06/14/the-weird-world-of-liquid-cooling-for-datacenters/ | The Weird World Of Liquid Cooling For Datacenters | Lewin Day | [
"computer hacks"
] | [
"asetek",
"liquid cooling",
"microsoft",
"water",
"water cooling",
"WaterCooling"
] | When it comes to high-performance desktop PCs, particularly in the world of gaming, water cooling is popular and effective. However, in the world of datacenters, servers rely on traditional air cooling more often than not, in combination with huge AC systems that keep server rooms at the appropriate temperature.
Howeve... | 42 | 21 | [
{
"comment_id": "6483669",
"author": "Piotrsko",
"timestamp": "2022-06-14T14:08:53",
"content": "No mention of dropping your server in an aquarium of baby oil? Non conducting, better heat removal, whats not to like except maybe parts replacement.",
"parent_id": null,
"depth": 1,
"repli... | 1,760,372,662.038627 | ||
https://hackaday.com/2022/06/14/pushing-the-limits-of-a-16x2-lcd-with-bad-apple/ | Pushing The Limits Of A 16×2 LCD WithBad Apple!! | Dan Maloney | [
"Misc Hacks"
] | [
"16x12",
"arduino",
"bad apple",
"demoscene",
"ESP-32",
"ffmpeg",
"lcd"
] | While low-contrast, blue-on-slightly-less-blue 16-character by 2-line LCDs are extremely popular, they really are made specifically for alphanumeric use. They do an admirable job of displaying a few characters, but they don’t exactly spring to mind as a display for non-character purposes. But
displaying video on a 16×2... | 20 | 7 | [
{
"comment_id": "6483610",
"author": "Viktor",
"timestamp": "2022-06-14T11:04:57",
"content": "Attack of the Blob.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6483792",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-06... | 1,760,372,662.210877 | ||
https://hackaday.com/2022/06/14/the-little-3d-printed-tugboat-that-could/ | The Little 3D-Printed Tugboat That Could | Robin Kearey | [
"Transportation Hacks"
] | [
"R/C boat",
"tugboat",
"watersports"
] | If you’ve ever spent time watching the goings-on at a seaport, you must have seen tugboats at work: those little boats that push, pull and nudge enormous cargo ships through tight corners in the harbor. They manage to do that thanks to hugely powerful engines sitting inside their relatively small hulls; their power-to-... | 24 | 13 | [
{
"comment_id": "6483589",
"author": "abjq",
"timestamp": "2022-06-14T10:34:20",
"content": "40 minutes of tugging! Master Bates would approve!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6484062",
"author": "Patrick",
"timestamp": "2022-0... | 1,760,372,662.263638 | ||
https://hackaday.com/2022/06/13/raspberry-pi-pico-replaces-playstation-memory-card/ | Raspberry Pi Pico Replaces PlayStation Memory Card | Tom Nardi | [
"Microcontrollers",
"Playstation Hacks"
] | [
"Memory card",
"pi pico",
"playstation",
"Raspberry Pi Pico"
] | It’s almost hard to believe these days, what with modern game consoles packing terabytes of internal storage, but there was a time when the totality of your gaming career would be stored on an external memory card that held just a few megabytes of save data. Of course, before that you had to write down a sequence of ra... | 16 | 9 | [
{
"comment_id": "6483530",
"author": "Bastet",
"timestamp": "2022-06-14T06:42:12",
"content": "Not even Megabytes but the PS1 memory card has a mere 128 kByte of space.For comparison, the PS2s memory card is just a Sony memory stick in disguise and the XBox one is even an USB stick with a proprietar... | 1,760,372,662.383065 | ||
https://hackaday.com/2022/06/13/another-rubiks-cube-robot-is-simple-but-slow/ | Another Rubik’s Cube Robot Is Simple But Slow | Al Williams | [
"Raspberry Pi",
"Robots Hacks"
] | [
"computer vision",
"cube solver",
"rubiks cube"
] | [AndreaFavero] says that the
CuboTino
emphasizes simplicity and cost-savings over speed. However, solving the puzzle in about 90 seconds is still better than we can do. The plucky solver uses a Pi and a camera to understand what the cube looks like and then runs it through a solver to determine how to move.
Watching th... | 5 | 3 | [
{
"comment_id": "6483568",
"author": "Stefan",
"timestamp": "2022-06-14T09:08:42",
"content": "This looks almost exactly like the “Mindcuber” (google it) I built years ago.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6483724",
"author": "Andrea Fa... | 1,760,372,662.418801 | ||
https://hackaday.com/2022/06/13/2022-hackaday-prize-hack-it-back-and-make-it-yours/ | 2022 Hackaday Prize: Hack It Back And Make It Yours | Tom Nardi | [
"contests",
"Slider",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"contests",
"repair"
] | The
2022 Hackaday Prize
continues to hurtle along, with two of the five Challenges already in the rear-view mirror. While we’re naturally excited about every phase of this year’s contest, we’ve got particularly high hopes for what the community can do with this third Challenge:
Hack it Back
.
It’s a simple formula: fin... | 3 | 2 | [
{
"comment_id": "6483576",
"author": "RetepV",
"timestamp": "2022-06-14T09:44:15",
"content": "Bought an Amiga A1000 once on a fancy fair. According to the seller, it was complete but working. Well, he couldn’t demonstrate that it was working and it looked brand-new but also missing the floppy drive... | 1,760,372,662.327525 | ||
https://hackaday.com/2022/06/13/the-secrets-of-the-pop-pop-boat/ | The Secrets Of The Pop Pop Boat | Adam Fabio | [
"classic hacks"
] | [
"heat engine",
"pop",
"pop-pop boat",
"steam",
"steve mould"
] | Many kids get an early introduction to mechanics with tin pop-pop boats. If you haven’t played with one – you’re missing out! Pop Pop boats are fun toys – but how they work is often misunderstood. To clear this up,
[Steve Mould] takes a deep dive into the theory of operation of the pop pop boat
.
Most people think thes... | 28 | 9 | [
{
"comment_id": "6483182",
"author": "Viktor",
"timestamp": "2022-06-13T13:08:59",
"content": "I better try this before EU bans it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6483186",
"author": "Jonathan Self",
"timestamp": "2022-06-13T1... | 1,760,372,662.671178 | ||
https://hackaday.com/2022/06/13/protect-your-drivers-when-the-motor-stalls/ | Protect Your Drivers When The Motor Stalls | Arya Voronova | [
"hardware",
"Repair Hacks"
] | [
"circuit protection",
"current limiting",
"emf",
"motor controller",
"protection circuit",
"servo",
"stepper driver",
"stepper motor"
] | [Mark Rehorst] tells us about a tragic incident involving an untimely demise of $200 worth of motor driving hardware, and
shares a simple circuit
so that we can prevent such tragedies in the future. His
Arrakis sand table project
has quite a few motors involved, and having forgotten to add limits into the software, he ... | 47 | 13 | [
{
"comment_id": "6483141",
"author": "Andy Pugh",
"timestamp": "2022-06-13T09:13:38",
"content": "When I was building RobotWars robots I found that a beefy bridge-rectifier module could be used to protect motors and drivers. I think that this only works with battery-powered devices, though, where yo... | 1,760,372,662.915632 | ||
https://hackaday.com/2022/06/12/yes-we-have-random-bananas/ | Yes We Have Random Bananas | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"banana",
"radioactive",
"random number",
"random number generator"
] | If you ask a normal person to pick a random number, they’ll usually just blurt out a number. But if you ask a math-savvy person for a random number, you’ll probably get a lecture about how hard it is to pick a truly random number. But if you ask [Valerio Nappi], you might just get a
banana
.
His post, which is in
two p... | 36 | 13 | [
{
"comment_id": "6483108",
"author": "YGDES",
"timestamp": "2022-06-13T05:05:58",
"content": "“you can see how a banana can even compute pi!”Does that make banana pie ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6483114",
"author": "Redhatter (VK... | 1,760,372,662.738417 | ||
https://hackaday.com/2022/06/12/safety-not-guaranteed-flying-motorcycle-might-be-coming-soon/ | Safety Not Guaranteed: Flying Motorcycle Might Be Coming Soon | Al Williams | [
"Transportation Hacks"
] | [
"flying motorcycle",
"jetpack",
"personal aircraft"
] | According to [Victor Tangermann] over at Futurism, JetPack Aviation is showing a prototype of its
P2 Speeder
flying motorcycle and it looks both awesome and — to quote Ralph Nader — unsafe at any speed. The prototype can lift 1,000 pounds, travel at up to 500 miles per hour, and cover up to 400 miles. We assume those t... | 50 | 23 | [
{
"comment_id": "6483087",
"author": "Tom Brusehaver",
"timestamp": "2022-06-13T02:33:44",
"content": "500mph seems optimistic.Anything above 50ft above the earth, and a common ground fails guarantees at least a trip to the hospital.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,662.996976 | ||
https://hackaday.com/2022/06/12/hackaday-links-june-12-2022/ | Hackaday Links: June 12, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"bonding",
"COVID",
"die",
"hackaday links",
"hybrid",
"jwst",
"mirror",
"NFC< BLE",
"nose probe",
"op-amp",
"photomicrograph",
"roscosmos",
"russia",
"security",
"sem",
"tesla",
"testing",
"webb"
] | “Don’t worry, that’ll buff right out.” Alarming news this week as the James Webb Space Telescope team announced that
a meteoroid had hit the space observatory’s massive primary mirror
. While far from unexpected, the strike on mirror segment C3 (the sixth mirror from the top going clockwise, roughly in the “south south... | 4 | 2 | [
{
"comment_id": "6483080",
"author": "Foley Matthews",
"timestamp": "2022-06-13T00:38:44",
"content": "nose probe? … did nobody see that bit from Schwartzenegger’s film “Total Recall”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6483101",
"author"... | 1,760,372,663.079263 | ||
https://hackaday.com/2022/06/12/an-open-toolchain-for-sipeed-tang-nano-fpgas/ | An Open Toolchain For Sipeed Tang Nano FPGAs | Arya Voronova | [
"FPGA",
"Software Hacks"
] | [
"fpga toolchain",
"Gowin",
"nextpnr",
"Sipeed",
"yosys"
] | [Sevan Janiyan] shares their research on putting an open FPGA toolchain together. Specifically, this is
an open toolchain for the Sipeed Nano Tang FPGAs,
which are relatively cheap offerings by Sipeed from China. The official toolchain is proprietary and requires you to apply for a license that’s to be renewed every ye... | 9 | 6 | [
{
"comment_id": "6483057",
"author": "hrumph",
"timestamp": "2022-06-12T20:22:27",
"content": "Not true: “The official toolchain is proprietary and pay-to-use”It’s proprietary and you have to register “apply license” yearly but it’s free.https://www.gowinsemi.com/en/support/faq/Nothing wrong with op... | 1,760,372,663.042007 | ||
https://hackaday.com/2022/06/13/helium-recovery-system-saves-costs/ | Helium Recovery System Saves Costs | Bryan Cockfield | [
"Science"
] | [
"cold",
"equipment",
"experiment",
"helium",
"lab",
"labratory",
"liquid",
"refrigerant",
"tool"
] | Helium is the most common element in the universe besides hydrogen, but despite this universal abundance it is surprisingly difficult to come across on Earth. Part of the problem is that it is non-renewable, so unless it is specifically captured during mining its low density means that it simply escapes the atmosphere.... | 31 | 12 | [
{
"comment_id": "6483356",
"author": "John Sm ith",
"timestamp": "2022-06-13T23:10:51",
"content": "Part of the problem is we waste it on party balloons.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6483652",
"author": "Twisty Plastic",
"ti... | 1,760,372,663.196456 | ||
https://hackaday.com/2022/06/13/upscaling-the-sierras/ | Upscaling The Sierras | Matthew Carlson | [
"Art",
"Video Hacks"
] | [
"pixel art",
"sierra online",
"svg",
"upscale",
"upscaling"
] | If you played many games back in the mid-80s to 90s, you might remember the iconic graphics from Sierra’s Online Adventure Games. They were brightly colored (16 colors) and dynamic with some depth. To pay homage, [eviltrout] worked to
upscale the images
. Despite being rendered at 160×200 at 16 colors and then stretche... | 22 | 8 | [
{
"comment_id": "6483309",
"author": "Ben Fillmore",
"timestamp": "2022-06-13T20:48:38",
"content": "My lazy version of this would be to simply render them at the original resolution, then just create an SVG square per pixel. Perfectly scalable at that point. Not necessarily a square pixel, though.... | 1,760,372,663.134097 | ||
https://hackaday.com/2022/06/13/odd-inputs-and-peculiar-peripherals-touch-this-macro-pad/ | Odd Inputs And Peculiar Peripherals: Touch This Macro Pad | Jenny List | [
"contests",
"Peripherals Hacks"
] | [
"ESP32",
"macro pad",
"touch screen"
] | The need to provide custom controls for complex software packages has been satisfied in many ways, the most usual of which is to have a configurable keypad. It’s a challenge [Meir Michanie] has taken up in a slightly different way, by creating
a custom touch-screen macro pad
. Unlike the buttons, this allows entirely c... | 5 | 2 | [
{
"comment_id": "6483320",
"author": "Ian",
"timestamp": "2022-06-13T21:21:55",
"content": "Big fat nope from me.Touch screens are the worst thing to be forced into a control scheme since… Touch-less input?Any input that you might need to use without giving it your full attention should be fully tac... | 1,760,372,663.312723 | ||
https://hackaday.com/2022/06/13/3d-printering-todays-resins-can-meet-your-needs/ | 3D Printering: Today’s Resins Can Meet Your Needs | Donald Papp | [
"3d Printer hacks",
"Hackaday Columns",
"Slider"
] | [
"3D Printering",
"3d printing",
"MSLA",
"resin",
"sla"
] | Filament-based 3D printers spent a long time at the developmental forefront for hobbyists, but resin-based printers have absolutely done a lot of catching up, and so have the resins they use. It used to be broadly true that resin prints looked great but were brittle, but that’s really not the case anymore.
A bigger var... | 27 | 6 | [
{
"comment_id": "6483251",
"author": "kelvinA",
"timestamp": "2022-06-13T17:34:11",
"content": "Is there some specific reason why Formlabs resins are incompatible by MSLA? Viscosity? Curing wavelength?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6483341",... | 1,760,372,663.27539 | ||
https://hackaday.com/2022/06/13/low-cost-nanopositioning-hack-chat/ | Low-Cost Nanopositioning Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, June 15 at noon Pacific for the
Low-Cost Nanopositioning Hack Chat
with
En-Te Hwu
!
It may sound like a provocative statement to make, but technology has been on a downward trend for a long time. That’s not a moral or ethical proclamation, but rather an observation about the scale of technology. W... | 7 | 4 | [
{
"comment_id": "6483257",
"author": "fiddlingjunky",
"timestamp": "2022-06-13T17:52:18",
"content": "That’s a really nifty mechanism. With a 12kg capacity in xy and 50g in z (and higher voltage requirements for a given step size relative to XY), I’d imagine many applications would simply drop the Z... | 1,760,372,663.366682 | ||
https://hackaday.com/2022/06/13/bluetooth-speaker-domesticated-through-firmware-mod/ | Bluetooth Speaker Domesticated Through Firmware Mod | Arya Voronova | [
"Portable Audio Hacks",
"Reverse Engineering"
] | [
"Binwalk",
"bluetooth",
"bluetooth speaker",
"meow",
"mp3"
] | This might sound like a familiar problem – you get a Bluetooth speaker, and it sounds nice, but it also emits all kinds of weird sounds every now and then. [Oleg Kutkov] got himself a Sven PS460 speaker with FM radio functionality, but didn’t like that the “power on” sound was persistently loud with no respect for the ... | 30 | 16 | [
{
"comment_id": "6483245",
"author": "macsimski",
"timestamp": "2022-06-13T16:50:11",
"content": "now to find a way to hack those 1-chip bluetooth receiver chips so you can give them another ID. I really like the VHM-314-V2 chips, but as i have several of them, giving them different names would be n... | 1,760,372,663.436579 | ||
https://hackaday.com/2022/06/13/ask-hackaday-is-bigger-e-mail-better/ | Ask Hackaday: Is Bigger (E-mail) Better? | Al Williams | [
"History",
"Rants"
] | [
"email",
"rants",
"smtp"
] | While pundits routinely predict the end of e-mail, we still get a ton of it and we bet you do too. E-mail has been around for a very long time and back in the day, it was pretty high-tech to be able to shoot off a note asking everyone where they wanted to go to lunch. What we had on our computers back then was a lot di... | 30 | 16 | [
{
"comment_id": "6483206",
"author": "Michael Black",
"timestamp": "2022-06-13T14:15:45",
"content": "I had dialup from 1994 (BBS’s, and 1200 baud modem) to 2012 (ISP that included a shell account, 56K modem) and until 2001, Lynx, the text browser was what I used. Until 2012 I generally used Lynx,... | 1,760,372,663.628963 | ||
https://hackaday.com/2022/06/12/boot-mainline-linux-on-apple-a7-a8-and-a8x-devices/ | Boot Mainline Linux On Apple A7, A8 And A8X Devices | Arya Voronova | [
"iphone hacks",
"Linux Hacks",
"Phone Hacks",
"Reverse Engineering",
"Tablet Hacks"
] | [
"apple",
"arm",
"iphone",
"linux"
] | [Konrad Dybcio] tells about his journey
booting Linux on A7/8/8X processors,
playing around with an old iPhone 5 he’s got in a drawer. It’s been a two-year “revisit every now and then” journey, motivationally fueled by the things like
Linux on M1 Macs announcement.
In the end, what we have here is a way to boot mainlin... | 10 | 4 | [
{
"comment_id": "6483030",
"author": "zoobab",
"timestamp": "2022-06-12T17:06:56",
"content": "Android or LineageOS port on the way?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6483031",
"author": "Arya Voronova",
"timestamp": "2022-06-12T... | 1,760,372,663.559199 | ||
https://hackaday.com/2022/06/12/modernizing-an-outdated-electric-vehicle-charging-station/ | Modernizing An Outdated Electric Vehicle Charging Station | Robin Kearey | [
"Transportation Hacks"
] | [
"chargepoint",
"EV charger",
"OpenEVSE"
] | One of the drawbacks of being an early adopter is that you might end up investing in equipment that becomes obsolete rather quickly. Although it’s clear that electric vehicles are here to stay, those who bought a charging station for their EV a few years ago may find it slow and incompatible with modern cars or billing... | 15 | 6 | [
{
"comment_id": "6483003",
"author": "Miles",
"timestamp": "2022-06-12T14:16:28",
"content": "I’m going to go check it out, but I am thinking an insulator or double the height of those standoffs are needed if that PCB is mains voltage. Maybe thei insulator is pre attached to the PCB. Here is hopin... | 1,760,372,664.094266 | ||
https://hackaday.com/2022/06/12/doom-in-your-bios-more-likely-than-you-think/ | DOOM? In Your BIOS? More Likely Than You Think! | Arya Voronova | [
"computer hacks",
"Software Development"
] | [
"bios",
"coreboot",
"does it run doom",
"doom",
"UEFI",
"Will It Doom?"
] | We’ve seen hackers run
DOOM
on a variety of appliances, from desk phones to pregnancy tests. Now, the final frontier has been conquered – we got
DOOM
to run on an x86 machine. Of course, making sure we utilize your PC hardware to its fullest, we have to forego an OS. Here are two ways you can run the classic shooter wi... | 25 | 7 | [
{
"comment_id": "6482977",
"author": "O",
"timestamp": "2022-06-12T11:20:09",
"content": "Note that the pregnancy test doom wasn’t really true in the strict sense, it didn’t run on the pregnancy test’s hardware. The test in question had an LCD that wasn’t the normal single-purpose custom design, ins... | 1,760,372,663.989657 | ||
https://hackaday.com/2022/06/12/rc-car-repair-with-beer-can-solder-stencil/ | RC Car Repair With Beer Can Solder Stencil | Sven Gregori | [
"Tool Hacks"
] | [
"etching",
"PCB etching",
"remote control car",
"solder stencil",
"stencil"
] | Sometimes it might seem as if your electronics are just jinxed. For [Niva_v_kopirce] it was the control board of his nephew’s RC car that kept frying the transistors. In situations like this, you can either throw it in the bin, invest your time in troubleshooting, hoping to find the error and try to fix it then, or get... | 24 | 7 | [
{
"comment_id": "6482963",
"author": "Jon H",
"timestamp": "2022-06-12T09:19:07",
"content": "Someone should sell a set of punches and dies in the various solder pad footprint sizes.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6482975",
"author": ... | 1,760,372,664.044715 |
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