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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/08/06/noisy-keyboards-sink-ships/ | Noisy Keyboards Sink Ships | Al Williams | [
"Artificial Intelligence",
"Security Hacks"
] | [
"eavesdropping",
"keyboard hack",
"side channel attack"
] | Many of us like a keyboard with a positive click noise when we type. You might want to rethink that, though, in light of a new paper from the UK that shows how researchers trained an AI to
decode keystrokes from noise on conference calls
.
The researchers point out that people don’t expect sound-based exploits. The pap... | 40 | 21 | [
{
"comment_id": "6670301",
"author": "Ostracus",
"timestamp": "2023-08-06T14:14:29",
"content": "Wouldn’t those mics that focus on the speaker and minimize the background cut down on this?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6670313",
"aut... | 1,760,372,210.569138 | ||
https://hackaday.com/2023/08/06/got-fireflies-try-talking-to-them-with-a-green-led/ | Got Fireflies? Try Talking To Them With A Green LED | Donald Papp | [
"LED Hacks",
"Science"
] | [
"blinking",
"fireflies",
"firefly",
"flashing",
"led",
"patterns",
"weekend project"
] | [ChrisMentrek] shares a design for a simple green LED signal light
intended for experiments in “talking” to fireflies
. The device uses simple components like PVC piping and connectors to make something that resembles a signal flashlight with a momentary switch — a device simple enough to make in time for a little week... | 25 | 14 | [
{
"comment_id": "6670267",
"author": "tiopepe123",
"timestamp": "2023-08-06T11:10:21",
"content": "more ESP32 CAM IR +Filter green",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6670294",
"author": "Erik Johnson",
"timestamp": "2023-08-06T13:42:40",
... | 1,760,372,210.266109 | ||
https://hackaday.com/2023/08/06/tensioning-3d-prints-for-lightweight-strong-parts/ | Tensioning 3D Prints For Lightweight, Strong Parts | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3d printer",
"kevlar",
"lamp",
"lightweight",
"pretensioned",
"tensioning",
"thread",
"truss"
] | Desktop 3D printers have come a long way over the past decade. They’re now affordable for almost anyone, capable of printing in many diverse materials, and offer a level of rapid prototyping and development not feasible with other methods. That said, the fact that they are largely limited to printing different formulat... | 28 | 10 | [
{
"comment_id": "6670268",
"author": "Dude",
"timestamp": "2023-08-06T11:16:07",
"content": "Pre-stressing doesn’t change the Young’s modulus of the material, so the beams become more bendy as you remove material. The compression doesn’t help with stiffness in any direction – the Young’s modulus of ... | 1,760,372,210.390809 | ||
https://hackaday.com/2023/08/05/browser-based-robot-dog-simulator-in-800-lines-of-code/ | Browser-Based Robot Dog Simulator In ~800 Lines Of Code | Donald Papp | [
"Robots Hacks",
"Software Hacks"
] | [
"physics",
"rapier",
"robodog",
"simulator",
"unitree"
] | [Sergii] has been learning about robot simulation and wrote up
a basic simulator for a robodog platform
: the Unitree A1. It only took about 800 lines of code to do so, which probably makes it a good place to start if one is headed in a similar direction.
Right now, [Sergii]’s simulator is an interactive physics model ... | 9 | 5 | [
{
"comment_id": "6670220",
"author": "No Way Jose",
"timestamp": "2023-08-06T05:12:22",
"content": "So it’s Browser Bowser?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6670315",
"author": "Garth Bock",
"timestamp": "2023-08-06T15:15:05",
... | 1,760,372,210.199779 | ||
https://hackaday.com/2023/08/05/jailbreaking-tesla-infotainment-systems/ | Jailbreaking Tesla Infotainment Systems | Navarre Bartz | [
"car hacks"
] | [
"automotive as a service",
"car net",
"features on demand",
"functions on demand",
"infotainment",
"paywall",
"subscription",
"subscription fee",
"subscription service",
"tesla",
"Tesla Motors"
] | With newer cars being computers on wheels, some manufacturers are using software to put features behind a paywall or thwarting DIY repairs. Industrious
hackers
security researchers have taken it upon themselves to set these features free by
hacking a Tesla infotainment system
. (via
Electrek
)
The researchers from TU B... | 22 | 9 | [
{
"comment_id": "6670183",
"author": "Miles",
"timestamp": "2023-08-06T02:39:19",
"content": "Hey all I wanted to do was turn off the continuous logging that killed the NAND flash. But as long as its a jailbroken Ryzen, can I run SteamOS? (HoloISO)",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,210.32467 | ||
https://hackaday.com/2023/08/05/making-a-kid-scale-apollo-11-lunar-lander/ | Making A Kid-Scale Apollo 11 Lunar Lander | Donald Papp | [
"Toy Hacks"
] | [
"apollo 11",
"lunar lander",
"model",
"prop"
] | If you’d like to see what goes into making a 1/3-scale Apollo 11 Lunar Module,
[Plasanator]’s photos and build details
will show off how he constructed one for a kid’s event that was a hit!
The photo gallery gives plenty of ideas about how one would approach a project like this, and readers will surely appreciate the u... | 21 | 8 | [
{
"comment_id": "6670136",
"author": "Hirudinea",
"timestamp": "2023-08-05T23:16:07",
"content": "Oh that’s cool, but you just know somebody is going to say it was faked.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6670231",
"author": "foxpup",
... | 1,760,372,210.065409 | ||
https://hackaday.com/2023/08/07/review-beepy-a-palm-sized-linux-hacking-playground/ | Review: Beepy, A Palm-sized Linux Hacking Playground | Tom Nardi | [
"Current Events",
"Featured",
"handhelds hacks",
"Reviews",
"Slider"
] | [
"Beepy. BeepBerry",
"blackberry",
"open hardware",
"Sharp Memory LCD",
"SQFMI"
] | In the long ago times, when phones still flipped and modems sang proudly the songs of their people, I sent away for a set of Slackware CDs and embarked on a most remarkable journey. Back then, running Linux (especially on the desktop) was not a task to be taken lightly. The kernel itself was still in considerable flux ... | 45 | 19 | [
{
"comment_id": "6670664",
"author": "Adam Łączny",
"timestamp": "2023-08-07T14:17:49",
"content": "Already making case mods for it:https://www.printables.com/model/546252-beepberry-utilitarian-case",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6674229",
... | 1,760,372,210.843642 | ||
https://hackaday.com/2023/08/07/a-magnetohydrodynamic-drive-in-the-kitchen-sink/ | A Magnetohydrodynamic Drive In The Kitchen Sink | Tom Nardi | [
"High Voltage",
"Transportation Hacks"
] | [
"Magnetohydrodynamic",
"MHD",
"Plasma Channel"
] | The magnetohydrodynamic (MHD) drive certainly
sounds
like something out of science fiction — using an array of magnets and electrodes, this high-tech propulsion technology promises to silently propel a craft through the water without any moving parts. As long as you can provide it with a constant supply of electricity,... | 58 | 22 | [
{
"comment_id": "6670615",
"author": "Benny",
"timestamp": "2023-08-07T11:05:24",
"content": "One sink only please…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6670654",
"author": "Tony",
"timestamp": "2023-08-07T13:42:39",
"conten... | 1,760,372,210.668903 | ||
https://hackaday.com/2023/08/07/this-kinetic-art-display-uses-a-gin-bottle/ | This Kinetic Art Display Uses A Gin Bottle | Dave Rowntree | [
"Art"
] | [
"3d printed",
"LDPE",
"marble run",
"TMC2208"
] | [David McDaid] likes gin. So in homage to their favourite tipple, a certain brand of Scottish origin, a kinetic art project was brewed. Tabled as a Rube Goldberg machine — it’s not — but it is a
very smart marble run type installation
, dripping with 3D printed parts and a sprinkling of blinkenlights.
The write-up show... | 8 | 3 | [
{
"comment_id": "6670673",
"author": "psuedonymous",
"timestamp": "2023-08-07T14:52:22",
"content": "I wouldn’t say it ‘uses’ the gin bottle. The bottle just sits there isolated and inert without interacting with the sculpture. It could be replaced with an old boot for no change in function. A shame... | 1,760,372,210.439661 | ||
https://hackaday.com/2023/08/06/an-open-firmware-for-lilygos-e-ink-smart-watch/ | An Open Firmware For LILYGO’s E-ink Smart Watch | Bryan Cockfield | [
"clock hacks",
"Microcontrollers"
] | [
"battery",
"clock",
"e-ink",
"e-paper",
"ESP32",
"smart watch",
"watch"
] | The world’s first quartz wristwatches were miles ahead of electric and mechanical wristwatches by most standards of the time, their accuracy was unprecedented and the batteries typically lasted somewhere on the order of a year. Modern smart watches, at least in terms of battery life, have taken a step backwards — depen... | 22 | 10 | [
{
"comment_id": "6670553",
"author": "Adam",
"timestamp": "2023-08-07T06:29:35",
"content": "Overall, I thoroughly enjoyed your article and found it highly informative, thanks for sharing.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6670579",
"author": ... | 1,760,372,210.497491 | ||
https://hackaday.com/2023/08/06/star-wars-pit-droid-has-a-jetson-brain/ | Star Wars Pit Droid Has A Jetson Brain | Tom Nardi | [
"Robots Hacks"
] | [
"droid",
"Jetson Nano",
"Jetson Orin Nano",
"pit droid",
"star wars"
] | In the
Star Wars
universe, pit droids are little foldable robots that perform automated repairs on spacecraft and the like. They were introduced in 1999’s
The Phantom Menace
, and beyond the podracing scenes, are probably the only good thing to come out of that particular film.
[Goran Vuksic] wanted a pit droid of his ... | 10 | 6 | [
{
"comment_id": "6670502",
"author": "movielibre",
"timestamp": "2023-08-07T02:45:15",
"content": "Nope.The only good thing to come out of The Phantom Menace is Jar Jar Binks.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6670517",
"author": "make p... | 1,760,372,210.720687 | ||
https://hackaday.com/2023/08/06/hackaday-links-august-6-2023/ | Hackaday Links: August 6, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"banana for scale",
"canon",
"dam",
"hackaday links",
"infrastructure",
"photopolymer",
"printer",
"reservoir",
"resin",
"robodog",
"SCADA"
] | “Have you tried turning it off and on again?” is a common tech support maneuver that everyone already seems to know and apply to just about all the wonky tech in their life. But would you tell someone to apply it to a reservoir? Someone did, and with disastrous results,
at least according to a report
on the lead-up to ... | 22 | 15 | [
{
"comment_id": "6670446",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-08-06T23:12:40",
"content": "Cut to the chase, here is the list of affected Canon printers…https://canon.a.bigcontent.io/v1/static/affected-models_20230731_d04c0d9895124b65acd21ca68357dcdc",
"parent_id... | 1,760,372,210.915502 | ||
https://hackaday.com/2023/08/06/blinkenlights-to-bootloader-a-guide-to-stm32-development/ | Blinkenlights To Bootloader: A Guide To STM32 Development | Bryan Cockfield | [
"Microcontrollers"
] | [
"application",
"bare metal",
"bootloader",
"development",
"guide",
"how-to",
"learn",
"microcontroller",
"stm32"
] | While things like the Arduino platform certainly opened up the gates of microcontroller programming to a much wider audience, it can also be limiting in some ways. The Arduino IDE, for example, abstracts away plenty of the underlying machinations of the hardware, and the vast amount of libraries can contribute to this ... | 15 | 6 | [
{
"comment_id": "6670401",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-08-06T20:36:20",
"content": "This (if I find the time) would make better use of the number of STM devboards in my stash.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,210.971309 | ||
https://hackaday.com/2023/08/05/lk-99-diamagnetc-semiconductor-not-superconductor/ | LK-99: Diamagnetc Semiconductor, Not Superconductor? | Jenny List | [
"Current Events",
"Science"
] | [
"LK-99",
"room temperature superconductor",
"superconductor"
] | Every so often, along comes a story which, like [Fox Mulder] with his unexplained phenomena, we want to believe. EM drives and cold fusion for example would be the coolest of the cool if they worked, but sadly they crumbled when subjected to scientific inquiry outside the labs of their originators. The jury’s still out... | 70 | 23 | [
{
"comment_id": "6670100",
"author": "alialiali",
"timestamp": "2023-08-05T21:06:43",
"content": "To be fair to the LK-99 is a superconducter you can’t in good faith claim to have proven it’s a “diamagnetic semiconductor” because your synthesis yielded a “non-diamagnetic semiconductor”!",
"paren... | 1,760,372,211.56123 | ||
https://hackaday.com/2023/08/05/diy-eye-tracking-for-vr-headsets-from-a-to-z/ | DIY Eye Tracking For VR Headsets, From A To Z | Donald Papp | [
"Virtual Reality"
] | [
"diy",
"eye tracking",
"open source",
"vr",
"VRChat"
] | Eye tracking is a useful feature in social virtual reality (VR) spaces because it really enhances presence and communication when one’s avatar has a realistic gaze. Most headsets lack this feature, but
EyeTrackVR
has a completely open source solution ready for anyone willing to put it together.
Camera is visible in low... | 4 | 1 | [
{
"comment_id": "6670070",
"author": "Erin",
"timestamp": "2023-08-05T17:20:06",
"content": "Enthusiasm for VRChat seems to translate directly to trying to do full motion capture with VR trackers. Eye tracking is one of the most useful ones I’ve heard about, since it enables social cues while talki... | 1,760,372,211.812605 | ||
https://hackaday.com/2023/08/05/prepare-to-brake-quick-intro-to-metal-bending/ | Prepare To Brake: Quick Intro To Metal Bending | Al Williams | [
"Tool Hacks"
] | [
"bending",
"metal working"
] | If you want to bend metal to make shapes, you might use equipment like a brake. But if you don’t have one, no worries. You can still do a lot with common tools like a vise and torches.
[Bwrussell] shows you how
. He welds together a die to use as a bending jig and makes a set of table legs.
You might think that putting... | 9 | 5 | [
{
"comment_id": "6670053",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-08-05T15:53:14",
"content": "Well, that video was quick and to the point!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6670054",
"author": "Rollfree",
"tim... | 1,760,372,211.38265 | ||
https://hackaday.com/2023/08/05/break-free-from-proprietary-digital-radio/ | Break Free From Proprietary Digital Radio | Bryan Cockfield | [
"Radio Hacks"
] | [
"amateur radio",
"audio",
"codec",
"codec2",
"digital voice",
"ham radio",
"m17",
"radio",
"reflector",
"standard"
] | Digital modes are all the rage these days in amateur radio — hams are using protocols like WSPR to check propagation patterns, FT8 to get quick contacts on many bands with relatively low power, and MSK144 to quickly bounce a signal off of a meteor. There’s also digital voice, which has a number of perks over analog inc... | 52 | 12 | [
{
"comment_id": "6669997",
"author": "Laurens Visser",
"timestamp": "2023-08-05T12:05:57",
"content": "While i appreciate the technology, to my ears the digital voice is less intelligable than standard FM or SSB with a bit of noise.Is there any benefit to using digital voice if you’re working with a... | 1,760,372,211.768093 | ||
https://hackaday.com/2023/08/05/repairing-a-home-injection-molding-machine/ | Repairing A Home Injection Molding Machine | Maya Posch | [
"Repair Hacks",
"Tool Hacks"
] | [
"injection molding",
"PLA",
"repair"
] | When [Michael] over at the
Teaching Tec
h YouTube channel bought a hobby injection molding machine a long time ago, one of the plans he had with it was to use it for grinding up waste bits of PLA filament for injection molding. Since the machine was bought from a US shop and [Michael] is based in Australia it required ... | 10 | 3 | [
{
"comment_id": "6669974",
"author": "ian 42",
"timestamp": "2023-08-05T09:37:02",
"content": "Aus was always 240V – indeed I often measure my power at 250V or so…. a while ago they theoretically changed it to ” 230 V (+10% to -6%), therefore providing an allowable voltage supply range between 253 ... | 1,760,372,211.608308 | ||
https://hackaday.com/2023/08/04/3d-print-your-best-friend-a-wheelchair/ | 3D Print Your Best Friend A Wheelchair | Al Williams | [
"3d Printer hacks"
] | [
"dog wheelchair",
"ford"
] | We all know that 3D printing has been a boon for people with different life challenges. But the Ford Motor Company in Mexico wants to help dogs that need mobility assistance. They’ve designed and released
P-Raptor
(we presume the P is for perro), a wheelchair for pooches with rear leg issues. The web page is in Spanish... | 7 | 3 | [
{
"comment_id": "6669943",
"author": "Floydian Slip",
"timestamp": "2023-08-05T06:49:10",
"content": "Ay chihuahua!Simone Giertz, the self-appointed “queen of shitty robots” created a prosthetic exo-skeleton leg for Scraps, her three-legged pooch. Not a wheelchair, but still pretty cool.WARNING: You... | 1,760,372,211.335492 | ||
https://hackaday.com/2023/08/04/voyager-2-communication-reestablished-with-one-big-shout/ | Voyager 2: Communication Reestablished With One Big Shout | Dan Maloney | [
"News",
"Space"
] | [
"Canberra",
"DSN",
"high-gain antenna",
"space",
"spacecraft",
"Voyager 2"
] | You could practically hear the collective “PHEW!” as NASA announced that
they had reestablished full two-way communications with
Voyager 2
on Friday afternoon! Details are few at this point — hopefully we’ll get more information on how this was pulled off, since we suspect there was some interesting wizardry involved. ... | 35 | 12 | [
{
"comment_id": "6669911",
"author": "Truth",
"timestamp": "2023-08-05T02:27:11",
"content": "You have to tip your hat to the people who build the hardware and software so long ago, they really knew what they were at, still going after after nearly 46 years.",
"parent_id": null,
"depth": 1,
... | 1,760,372,211.68038 | ||
https://hackaday.com/2023/08/03/old-film-camera-modified-for-different-chemistry/ | Old Film Camera Modified For Different Chemistry | Bryan Cockfield | [
"Art"
] | [
"camera",
"Chemistry",
"cyanotype",
"kodak brownie",
"photo",
"photography",
"picture",
"ultraviolet",
"uv"
] | While most photographers have moved on to digital cameras with their numerous benefits, there are a few artists out there still taking pictures with film. While film is among the more well-known analog photographic methods available, there are chemically simpler ways of taking pictures available for those willing to ex... | 12 | 5 | [
{
"comment_id": "6669299",
"author": "mmmlinux",
"timestamp": "2023-08-03T19:03:21",
"content": "Complains 620(120) film is hard to buy and develop. proceeds to buy shopping list of chemicals. I get doing things like this for fun. but no need to make up reasons why this way is “better”.",
"paren... | 1,760,372,211.85976 | ||
https://hackaday.com/2023/08/03/the-state-of-high-speed-rail-and-a-look-to-tomorrow/ | The State Of High Speed Rail, And A Look To Tomorrow | Lewin Day | [
"Hackaday Columns",
"Slider",
"Transportation Hacks"
] | [
"china",
"europe",
"high speed rail",
"japan",
"tgv",
"train",
"trains"
] | In the 21st century, the global transportation landscape is in shift. Politicians, engineers, and planners all want to move more people, more quickly, more cleanly. Amid the frenzy of innovative harebrained ideas, high-speed rail travel has surged to the forefront. It’s a quiet achiever, and a reliable solution for eff... | 73 | 18 | [
{
"comment_id": "6669265",
"author": "Joshua",
"timestamp": "2023-08-03T17:26:37",
"content": "“German trains on the Intercity Express system are authorized to run at up to 330 km/h, but only to overcome delays on the Frankfurt to Cologne line. Otherwise, the national maximum is similarly 320 km/h.”... | 1,760,372,212.063589 | ||
https://hackaday.com/2023/08/03/better-3d-prints-courtesy-of-a-simple-mass-produced-bracket/ | Better 3D Prints, Courtesy Of A Simple Mass-Produced Bracket | Dan Maloney | [
"3d Printer hacks"
] | [
"3d printing",
"bracket",
"design",
"mass production",
"slicing"
] | On the “hack/not-a-hack” scale,
a 3D printed bracket for aluminum extrusions
is — well, a little boring. Such connectors are nothing you couldn’t buy, and even if you insisted on printing them instead, Printables and Thingiverse are full of ready-to-use designs. So why would you waste your precious time and effort roll... | 34 | 9 | [
{
"comment_id": "6669237",
"author": "Alex",
"timestamp": "2023-08-03T16:07:00",
"content": "Without trying to be awkward – I think you meant ‘Solid’ and not sold in the 3rd line of the second paragraph. Thanks for the article!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,211.938222 | ||
https://hackaday.com/2023/08/03/displayport-taming-the-altmode/ | DisplayPort: Taming The Altmode | Arya Voronova | [
"Engineering",
"Featured",
"Skills",
"Slider"
] | [
"altmode",
"displayport"
] | The DisplayPort altmode is semi-proprietary, but it can absolutely be picked apart if we try. Last time,
we found a cool appnote describing the DisplayPort altmode in detail, switched the FUSB302 into packet sniffing mode and got packet captures, learned about PD VDMs (vendor-defined messages), and successfully replaye... | 7 | 4 | [
{
"comment_id": "6669319",
"author": "Josh A",
"timestamp": "2023-08-03T20:15:44",
"content": "I think this was supposed to include a link: `Here’s example MicroPython code for you – somehow, I managed to have the parsing and command building be quick enough.`",
"parent_id": null,
"depth": 1... | 1,760,372,212.114394 | ||
https://hackaday.com/2023/08/03/lets-listen-to-a-tape-paper-tape/ | Let’s Listen To A Tape — Paper Tape | Al Williams | [
"Repair Hacks",
"Retrocomputing",
"Teardown"
] | [
"Fanuc",
"paper tape"
] | These days, data is as likely as not to be “in the cloud.” Otherwise, it’s probably on a USB flash drive or SD card. But in the old days, paper tape was a widespread way to store and retrieve data. A common way to start the day at the office was to toggle in a few dozen bytes of bootloader code, thread a bigger bootloa... | 9 | 4 | [
{
"comment_id": "6669184",
"author": "Joe S.",
"timestamp": "2023-08-03T13:11:28",
"content": "I remember that rigamarole with paper tape, punch in the bootloader on the ASR 43 connected to the DEC PDP 1104, then we load a short program on a tape that lasted maybe 10 seconds, and once the computer w... | 1,760,372,212.167643 | ||
https://hackaday.com/2023/08/03/get-most-into-your-pi/ | Get MOST Into Your Pi | Bryan Cockfield | [
"car hacks",
"Raspberry Pi"
] | [
"can-bus",
"car",
"infotainment",
"most bus",
"multimedia",
"raspberry pi",
"sound",
"stereo",
"vehicle"
] | When looking the modify a passenger vehicle, the Controller Area Network (CAN) bus is a pretty easy target. In modern vehicles it has access to most of the on-board systems — everything from the climate control to the instrument cluster and often even the throttle, braking, and steering systems. With as versatile as th... | 15 | 10 | [
{
"comment_id": "6669088",
"author": "Marvin",
"timestamp": "2023-08-03T08:46:13",
"content": "Oh wow! This is cool.Aftermarket sellers want a fortune for even the simplest adapters for MOST Systems. Of course everything is NDA’ed and totally obscure.",
"parent_id": null,
"depth": 1,
"re... | 1,760,372,212.279729 | ||
https://hackaday.com/2023/08/02/kalman-filters-without-the-math/ | Kalman Filters Without The Math | Al Williams | [
"Software Hacks"
] | [
"kalman filter",
"Kalman Filtering"
] | If you program using values that represent anything in the real world, you have probably at least heard of the Kalman filter. The filter allows you to take multiple value estimates and process them into a better estimate. For example, if you have a robot that has an idea of where it is via GPS, dead reckoning, and an o... | 25 | 8 | [
{
"comment_id": "6669014",
"author": "Kotval",
"timestamp": "2023-08-03T05:28:35",
"content": "I feel like the book length docs to filterpy deserve a mention here if not a while article. They’re where I learned filtering theory and make a great complement even to a rigorous mathematical treatment. T... | 1,760,372,212.229492 | ||
https://hackaday.com/2023/08/04/rocket-stove-efficiently-heats-water/ | Rocket Stove Efficiently Heats Water | Bryan Cockfield | [
"home hacks"
] | [
"biomass",
"heat",
"heater",
"hot water",
"metal",
"metalworking",
"rocket stove",
"stove",
"welding",
"wood"
] | Rocket stoves are an interesting, if often overlooked, method for cooking or for generating heat. Designed to use biomass that might otherwise be wasted, such as wood, twigs, or other agricultural byproducts, they are remarkably efficient and perform relatively complete combustion due to their design, meaning that ther... | 19 | 12 | [
{
"comment_id": "6669872",
"author": "Drone",
"timestamp": "2023-08-04T23:15:01",
"content": "Talking about homebrew rocket stoves? Here ya’ go…21 DIY Rocket Stove Plans to Cook Efficiently with Woodhttps://morningchores.com/rocket-stove-plans/",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,372,212.573832 | ||
https://hackaday.com/2023/08/04/if-the-shoe-doesnt-fit-print-it/ | If The Shoe Doesn’t Fit, Print It! | Al Williams | [
"3d Printer hacks"
] | [
"3d printed footwear",
"footwear",
"shoe"
] | Usually when we talk about flip-flops here we mean the circuit. But in this case, it is [Jeandre Groenewald’s] 3D-printed shoe design called
Sloffies
. The shoes use TPU, and the matching package prints in PLA. Of course, you have to pick the size to fit your feet, and there’s an OpenSCAD file that allows you to custom... | 15 | 9 | [
{
"comment_id": "6669808",
"author": "smellsofbikes",
"timestamp": "2023-08-04T20:19:41",
"content": "I love this idea. One of the neat things about it is that if you could get an accurate model, you could print yourself custom orthotics. Another is that you could print a custom infill pattern tha... | 1,760,372,212.625954 | ||
https://hackaday.com/2023/08/04/hackaday-prize-2023-one-handed-soldering-with-the-solder-sustainer/ | Hackaday Prize 2023: One-Handed Soldering With The Solder Sustainer | Dan Maloney | [
"contests",
"The Hackaday Prize"
] | [
"2023 Hackaday Prize",
"extruder",
"feeder",
"one handed",
"solder",
"soldering"
] | For a lot of us, soldering has become so ingrained that it’s muscle memory. We know exactly when the iron is hot enough, how long to leave the tip in contact with the joint to heat it up, and exactly where to dab in the solder to get it to flow. When you’re well-practiced it can be a beautiful thing, but for those who ... | 48 | 19 | [
{
"comment_id": "6669778",
"author": "J",
"timestamp": "2023-08-04T18:42:17",
"content": "This would probably make a great assistive device for someone with limited dexterity or only one hand.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6669791",
... | 1,760,372,212.421887 | ||
https://hackaday.com/2023/08/04/hackaday-prize-2023-green-hacks-finalists/ | Hackaday Prize 2023: Green Hacks Finalists | Tom Nardi | [
"contests",
"Featured",
"The Hackaday Prize"
] | [
"2023 Hackaday Prize",
"assistive technology"
] | Time and tide wait for no hacker, even if they happen to spend their spare time working on the sort of eco-friendly projects that qualified for the Green Hacks challenge of the
2023 Hackaday Prize
. This environmentally conscious round ended last month, and after plenty of carbon-neutral debate, our panel of judges hav... | 0 | 0 | [] | 1,760,372,212.769687 | ||
https://hackaday.com/2023/08/04/a-cycle-accurate-sega-genesis-with-fpga/ | A Cycle-Accurate Sega Genesis With FPGA | Bryan Cockfield | [
"Retrocomputing"
] | [
"decapped",
"fpga",
"genesis",
"mega drive",
"recreation",
"retrocomputing",
"sega",
"verilog"
] | The Field-Programmable Gate Array (FPGA) is a powerful tool that is becoming more common across all kinds of different projects. They are effectively programmable hardware devices, capable of creating specific digital circuits and custom logic for a wide range of applications and can be much more versatile and powerful... | 17 | 5 | [
{
"comment_id": "6669771",
"author": "Gravis",
"timestamp": "2023-08-04T18:34:21",
"content": "Huh… this isn’t even emulation, this is an implementation.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6669812",
"author": "erexx",
"timestamp":... | 1,760,372,212.875148 | ||
https://hackaday.com/2023/08/04/hackaday-podcast-230-space-science-superconductors-supercaps-and-central-air/ | Hackaday Podcast 230: Space Science, Superconductors, Supercaps, And Central Air | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi start things off by tackling a pair of science stories, one that may or may not change the world, and the other that hopes to help us understand the very fabric of the universe. Afterwards they get to the important stuff: the evolution of Game Boy... | 0 | 0 | [] | 1,760,372,212.663063 | ||
https://hackaday.com/2023/08/04/metal-forming-with-a-3d-printer/ | Metal Forming With A 3D Printer | Al Williams | [
"3d Printer hacks"
] | [
"dies",
"metal forming"
] | How do you use a 3D printer to bend metal? One way would be to take it to a machine shop and offer to trade the owner your printer for some time in their shop. A smarter way is to do like [Jaba 3D], and
print dies using the printer
. You can then use those dies in a press to make the shapes you want.
In the case of [Ja... | 25 | 12 | [
{
"comment_id": "6669708",
"author": "RP",
"timestamp": "2023-08-04T15:10:33",
"content": "Interesting. I wonder if the concept could be used to created hollow shells instead of solid PLA blocks. These could then be filled with epoxy or concrete or something to take the compressive loads and act a... | 1,760,372,212.727466 | ||
https://hackaday.com/2023/08/02/the-simplest-curve-tracer-ever/ | The Simplest Curve Tracer Ever | Dan Maloney | [
"Parts",
"Tool Hacks"
] | [
"current-voltage",
"curve tracer",
"hysteresis",
"oscilloscope",
"zener diode",
"zero crossing"
] | To a lot of us, curve tracing seems to be one of those black magic things that only the true wizards understand. But as [DiodeGoneWild] explains,
curve tracing really isn’t all that complicated
, and it doesn’t even require specialized test instruments — just a transformer, a couple of resistors, and pretty much whatev... | 15 | 10 | [
{
"comment_id": "6668955",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-08-03T02:08:24",
"content": "So how does it work with transistors?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6668979",
"author": "Brian Fritz",
... | 1,760,372,213.084665 | ||
https://hackaday.com/2023/08/02/the-ai-engine-that-fits-in-100k/ | The AI Engine That Fits In 100K | Al Williams | [
"Artificial Intelligence"
] | [
"ai",
"AI model",
"text to image"
] | Running your own AI models is possible, but it requires a giant computer, right? Maybe not. Researchers at NVidia are showing off
Perfusion
, a text-to-image model they say is 100KB in size and takes four minutes to train. The model specializes in customizing a photo. For example, the paper shows a picture of a teddy b... | 14 | 7 | [
{
"comment_id": "6668885",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-08-02T23:09:25",
"content": "“So what do you do with “dog* sitting?”The people who “sit” our dog get paid enough that we don’t do it regularly.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,372,212.820917 | ||
https://hackaday.com/2023/08/02/open-source-firmware-for-soldering-irons/ | Open-Source Firmware For Soldering Irons | Bryan Cockfield | [
"Tool Hacks"
] | [
"firmware",
"mineware",
"open source",
"pinecil",
"soldering",
"soldering iron",
"tool",
"ts100"
] | For most of us, the first soldering iron we pick up to start working on electronics has essentially no features at all. Being little more than resistive heaters plugged straight into the wall with perhaps a changeable tip, there’s not really even a need for a power switch. But doing anything more specialized than throu... | 23 | 8 | [
{
"comment_id": "6668818",
"author": "horbis",
"timestamp": "2023-08-02T20:38:15",
"content": "What’s so special about pinecil (https://pine64.com/product/pinecil-smart-mini-portable-soldering-iron/), which is open source from start to finish?",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,212.933218 | ||
https://hackaday.com/2023/08/02/microsoft-now-offering-parts-and-repair-guides-for-xbox-controllers/ | Microsoft Now Offering Parts And Repair Guides For Xbox Controllers | Tom Nardi | [
"Repair Hacks",
"Xbox Hacks"
] | [
"controller",
"microsoft",
"repair guide",
"spare parts",
"xbox",
"xbox one"
] | We’re big fans of repairable hardware here at Hackaday, so much so that when we see a company embracing the idea that their products should actually be
serviced
rather than thrown in the trash, we like to call attention to it. Yes, that even includes when it’s Microsoft.
This community has had a mixed relationship with... | 11 | 7 | [
{
"comment_id": "6668896",
"author": "Joe",
"timestamp": "2023-08-02T23:29:18",
"content": "My soul for repair parts for my Steam controller!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6669020",
"author": "Gregg Eshelman",
"timestamp": "2023-08-03T... | 1,760,372,213.029733 | ||
https://hackaday.com/2023/08/02/truss-braced-wings-could-bring-new-look-to-runways-worldwide/ | Truss-Braced Wings Could Bring New Look To Runways Worldwide | Lewin Day | [
"Hackaday Columns",
"Slider",
"Transportation Hacks"
] | [
"airline",
"airliner",
"boeing",
"nasa",
"plane"
] | Airliners have looked largely the same for a long time now. The ongoing hunt for efficiency gains has seen the development of winglets, drag reducing films, and all manner of little aerodynamic tricks to save fuel, and hence money.
Boeing now has its eye on bigger, tastier goals. It believes by switching to a truss-bra... | 75 | 15 | [
{
"comment_id": "6668685",
"author": "Iwermektyna Bezrecepty",
"timestamp": "2023-08-02T17:07:59",
"content": "So, they’re pretty much spending millions of dollars to reinvent PZL M-15 Belphegor, an agricultural jet biplane.",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,372,213.274859 | ||
https://hackaday.com/2023/08/02/fixing-some-more-of-apples-design-mistakes/ | Fixing Some More Of Apple’s Design Mistakes | Navarre Bartz | [
"digital audio hacks",
"Repair Hacks"
] | [
"AirPod",
"Airpods",
"AirPods Pro",
"apple",
"Apple repair",
"audio",
"bluetooth",
"repair"
] | Love them or hate them, there’s no denying that Apple has strayed from the Woz’s original open platform ideal for the Apple II. [Ken Pillonel] is back for another round of fixing Apple’s repairability mistakes with a full complement of
3D printable replacement parts for the AirPods Pro case
.
While modeling all of the ... | 26 | 9 | [
{
"comment_id": "6668638",
"author": "aamco",
"timestamp": "2023-08-02T16:08:25",
"content": "Every time one of Ken’s videos is posted here, there are three types of comments:1. Apple is so dumb for the poor repairability of [really any of their products, but especially Airpods].2. Apple users are d... | 1,760,372,213.336729 | ||
https://hackaday.com/2023/08/02/clipper-windpower-solutions-in-search-of-problems/ | Clipper Windpower: Solutions In Search Of Problems | Bryan Cockfield | [
"Engineering",
"Featured",
"green hacks",
"Original Art",
"Slider"
] | [
"complexity",
"engineering",
"feature creep",
"gears",
"history",
"windpower"
] | The first modern wind turbines designed for bulk electricity generation came online gradually throughout the 80s and early 90s. By today’s standards these turbines are barely recognizable. They were small, had low power ratings often in the range of tens to hundreds of kilowatts, and had tiny blades that had to rotate ... | 69 | 21 | [
{
"comment_id": "6668617",
"author": "Foldi-One",
"timestamp": "2023-08-02T15:03:12",
"content": ">are case studies in the importance of understanding consumer needs, market demand, and addressing genuine pain points when developing innovative technologies. Failing to understand these ideas can resu... | 1,760,372,213.501826 | ||
https://hackaday.com/2023/08/04/this-week-in-security-your-cars-extended-warranty-seizing-the-fediverse-and-arm-mte/ | This Week In Security: Your Car’s Extended Warranty, Seizing The Fediverse, And Arm MTE | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"Fediverse",
"robocalls",
"This Week in Security"
] | If you’ve answered as many spam calls as I have, you probably hear the warranty scam robocall in your sleep: “We’ve been trying to reach you about your car’s extended warranty.” That particular robocalling operation is about to run out of quarters, as the FCC has announced a nearly $300 million fine levied against that... | 15 | 9 | [
{
"comment_id": "6669686",
"author": "Ostracus",
"timestamp": "2023-08-04T14:09:19",
"content": "“One problem is that the SVG file format is Turing complete, and can contain scripts and other shenanigans. ”What about other like file formats?",
"parent_id": null,
"depth": 1,
"replies": []... | 1,760,372,213.391016 | ||
https://hackaday.com/2023/08/04/fast-adjustable-lasers-using-lithium-niobate-integrated-photonics/ | Fast Adjustable Lasers Using Lithium Niobate Integrated Photonics | Maya Posch | [
"Laser Hacks",
"Science"
] | [
"laser",
"laser diode",
"photonics"
] | Making lasers smaller and more capable of rapidly alternating between frequencies, while remaining within a narrow band, is an essential part of bringing down the cost of technologies such as LiDAR and optical communication. Much of the challenge here lies understandably in finding the right materials that enable a las... | 14 | 5 | [
{
"comment_id": "6669641",
"author": "synthimuse",
"timestamp": "2023-08-04T11:47:54",
"content": "As part of my apprenticeship rotation 47 years ago, I found myself in the materials lab at Glasgow University Electronics department.I was tasked with manually measuring and plotting the piezoelectric ... | 1,760,372,213.763135 | ||
https://hackaday.com/2023/08/04/odd-retrocomputer-had-a-graphics-coprocessor/ | Odd Retrocomputer Had A Graphics Coprocessor | Al Williams | [
"Retrocomputing"
] | [
"6809",
"fujitsu",
"Seconinsa"
] | [Noel’s Retro Lab] scored an unusual 1980s vintage computer sold in Japan and Spain. The
Seconinsa FM-7
appears to be a popular Fujitsu Japanese computer altered to fit the Spanish market. They seem to be pretty rare, at least in our part of the world. The outside appearance was very nice for the time, with a large key... | 16 | 7 | [
{
"comment_id": "6669585",
"author": "Lee",
"timestamp": "2023-08-04T09:30:33",
"content": "A lot of Arcade systems back in the day had multiple CPUs doing different things such as audio and video. The Sega System 16/18 boards used a 68000 for the CPU and video but also used a Z80 just for the audio... | 1,760,372,213.667813 | ||
https://hackaday.com/2023/08/03/apple-iii-slows-down-to-smell-the-roses/ | Apple III Slows Down To Smell The Roses | Bryan Cockfield | [
"Retrocomputing"
] | [
"6502",
"apple",
"apple III",
"arduino",
"clock speed",
"microcontroller",
"restoration",
"retrocomputing",
"Teensy 4.1"
] | The most collectible items in the realm of vintage computers often weren’t the most popular of their era. Quite the opposite, in fact. Generally the more desireable systems were market failures when they first launched, and are now sought out because of a newly-appreciated quirk or simply because the fact that they wer... | 7 | 3 | [
{
"comment_id": "6669568",
"author": "Sweeney",
"timestamp": "2023-08-04T08:20:44",
"content": "It’s a PLD problem, not the ROM, according to the linked article. If it’s really a PLD then it’s an off-the-shelf part and the correct fix is to obtain a replacement and program it to match the original."... | 1,760,372,213.70862 | ||
https://hackaday.com/2023/08/03/its-snake-in-a-qr-code-but-smaller/ | It’s Snake, In A QR Code, But Smaller | Jenny List | [
"Games"
] | [
"assembler",
"qr code",
"snake"
] | We’re not sure that many of you have recognised the need in your life for an x86 machine code program encoded into a QR code, but following on from someone else work [donno2048]
has created a super-tiny Snake clone in assembly
which comes in at only 85 bytes long.
It fits far better in a QR code than the previous effor... | 16 | 4 | [
{
"comment_id": "6669522",
"author": "Paul LeBlanc",
"timestamp": "2023-08-04T05:48:18",
"content": ">> we found different keys responded on machines with different keyboards we’re curious how it does its keyboard inputThe “iin al, 0x60” reads a keystroke. These are scan codes, and the codes for th... | 1,760,372,213.815473 | ||
https://hackaday.com/2023/08/03/force-feedback-steering-wheel-made-from-power-drill/ | Force Feedback Steering Wheel Made From Power Drill | Bryan Cockfield | [
"Peripherals Hacks"
] | [
"arduino",
"drill",
"force feedback",
"game",
"impact driver",
"power tool",
"racing",
"steering wheel",
"video game"
] | When it comes to controllers for racing games, there is perhaps no better option than a force feedback steering wheel. With a built-in motor to push against the wheel at exactly the right times, they can realistically mimic the behavior of a steering wheel from a real car. The only major downside is cost, with controll... | 22 | 4 | [
{
"comment_id": "6669435",
"author": "Miles",
"timestamp": "2023-08-04T00:56:06",
"content": "I’ve never had good results, its possible game designers don’t know what good feedback is. Or maybe it is good feedback for racing, but not enjoyable like a good sports car.They seem to me mostly to react ... | 1,760,372,213.872731 | ||
https://hackaday.com/2023/08/03/open-source-cell-phone-based-on-esp32/ | Open-Source Cell Phone Based On ESP32 | Bryan Cockfield | [
"Phone Hacks"
] | [
"2g",
"3d printed",
"diy",
"gsm",
"operating system",
"phone",
"software"
] | Over the past decade or so, smartphones have exploded in popularity and seamlessly integrated themselves into nearly every aspect of most people’s lives. Although that comes with a few downsides as well, with plenty of people feeling that the smart phone makes it a little too easy to waste time and looking to switch to... | 40 | 11 | [
{
"comment_id": "6669328",
"author": "fiddlingjunky",
"timestamp": "2023-08-03T20:29:50",
"content": "This is pretty cool! My impression is that the modem is 2G, and 2G is fully shut down now in America. I might be wrong, though. Even so, that’s just one country, and the rest of the phone could be a... | 1,760,372,213.96149 | ||
https://hackaday.com/2023/08/02/solar-power-your-pi/ | Solar Power Your Pi | Al Williams | [
"Raspberry Pi"
] | [
"Pi",
"solar"
] | Running a Raspberry Pi with solar power sounds easy. Of course, like most things, the details are what get you. About a year ago, [Bystroushaa] tried it without success. But the second time
turned out to be the charm
.
Of course, success is a relative term. It does work, but there is concern that it won’t be sufficient... | 9 | 4 | [
{
"comment_id": "6668569",
"author": "Quozca",
"timestamp": "2023-08-02T12:29:38",
"content": "I successfully run a PI 400 with this:https://www.amazon.it/Caricatore-Monocristallino-Pieghevole-Dispositivi-Ricaricabili/dp/B0998G1CSJ/r",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,214.008201 | ||
https://hackaday.com/2023/08/02/audio-not-video-over-the-lkv373-hdmi-extender/ | Audio, Not Video Over The LKV373 HDMI Extender | Matthew Carlson | [
"home entertainment hacks",
"Reverse Engineering"
] | [
"Audi",
"hdmi",
"LKV373",
"rust",
"wireshark"
] | [eta] found herself in a flat with several LKV373 HDMI extenders. Find the corresponding transmitter, plug it into your device, and you’ve got a connection to the TV/sound system, no fussing with wires behind the TV. However, [eta] wanted to get rid of the need to plug in a laptop
and start sending packets directly to ... | 11 | 4 | [
{
"comment_id": "6668521",
"author": "Lee",
"timestamp": "2023-08-02T09:47:16",
"content": "Many other ways to achieve this without having to reverse engineer HDMI over IP adapters.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6668529",
"author": "... | 1,760,372,214.056822 | ||
https://hackaday.com/2023/08/01/mit-crack-the-concrete-capacitor/ | MIT Cracks The Concrete Capacitor | Jenny List | [
"green hacks"
] | [
"cement",
"energy storage",
"supercapacitor"
] | It’s a story we’ve heard so many times over the years: breathless reporting of a new scientific breakthrough that will deliver limitless power, energy storage, or whichever other of humanity’s problems needs solving today. Sadly, they so often fail to make the jump into our daily lives because the reporting glosses ove... | 60 | 15 | [
{
"comment_id": "6668445",
"author": "Jeff Brown",
"timestamp": "2023-08-02T05:27:17",
"content": "And how does one prevent leakage current from sapping all of the energy stored within the concrete? It’d need to be insulated somehow.Simply driving a bolt through the wrong part of the material could... | 1,760,372,216.382893 | ||
https://hackaday.com/2023/08/01/accelerating-electrons-to-tev-levels-using-curved-laser-beams/ | Accelerating Electrons To TeV Levels Using Curved Laser Beams | Maya Posch | [
"Science"
] | [
"laser",
"particle accelerator",
"science"
] | There are many applications for particle accelerators, even outside research facilities, but for the longest time they have been large, cumbersome machines, not to mention very expensive to operate. Here laser wakefield accelerators (LWFAs) are a promising alternative, which uses lasers to create accelerated particles ... | 12 | 7 | [
{
"comment_id": "6668411",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-08-02T02:26:38",
"content": "Lasers to create “accelerate particles”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6668547",
"author": "chris",
"... | 1,760,372,215.664821 | ||
https://hackaday.com/2023/08/01/room-temperature-superconductor-lk-99-just-maybe-it-could-be-real/ | “Room Temperature Superconductor” LK-99, Just Maybe It Could Be Real | Jenny List | [
"Science"
] | [
"Peer Review",
"room temperature superconductor",
"superconductor"
] | To have been alive over the last five decades is to have seen superconductors progress from only possible at near-absolute-zero temperatures, to around the temperature of liquid nitrogen in the 1980s and ’90s, and inching slowly higher as ever more exotic substances are made and subjected to demanding conditions. Now t... | 66 | 18 | [
{
"comment_id": "6668366",
"author": "David Lang",
"timestamp": "2023-08-01T23:08:56",
"content": "has anyone reported being able to reproduce it yet? I know some people were trying, but I haven’t heard any success reports yet.until it can be reproduced, it’s interesting, but not yet exciting.",
... | 1,760,372,215.875756 | ||
https://hackaday.com/2023/08/01/all-american-five-lives-again/ | All American Five Lives Again | Al Williams | [
"Repair Hacks",
"Teardown"
] | [
"all american 5",
"all american five",
"tube radio"
] | If you haven’t heard of an “all-American five,” then you probably don’t dig through bins for old radios. The AA5 is a common design for old AM radios that use five tubes: a rectifier, an oscillator/mixer, an IF amplifier, a detector, and a single tube for driving the speaker. [Mikrowave1]
took an old specimen of such a... | 18 | 8 | [
{
"comment_id": "6668316",
"author": "Michael Black",
"timestamp": "2023-08-01T20:05:17",
"content": "The best AA5 mod I saw was in QST for June 1971. Someone converts it to shortwave. They add a solid state converter. A BFO. They add some feedback in the IF for better selectivity. They added a... | 1,760,372,215.719505 | ||
https://hackaday.com/2023/08/01/making-your-own-vr-headset-consider-this-diy-lens-design/ | Making Your Own VR Headset? Consider This DIY Lens Design | Donald Papp | [
"Virtual Reality"
] | [
"diy",
"headset",
"hmd",
"lens",
"optics",
"pancake lens",
"vr"
] | Lenses are a necessary part of any head-mounted display, but unfortunately, they aren’t always easy to source. Taking them out of an existing headset is one option, but one may wish for a more customized approach, and that’s where [WalkerDev]’s
homebrewed “pancake” lenses
might come in handy.
Engineering is all about t... | 11 | 3 | [
{
"comment_id": "6668294",
"author": "YGDES",
"timestamp": "2023-08-01T18:34:48",
"content": "Hey ! You’ve been HaDed ! Welcome to the club :-P",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6668631",
"author": "WalkerDev",
"timestamp": "2023... | 1,760,372,215.997897 | ||
https://hackaday.com/2023/08/01/the-past-present-and-future-of-circuitpython/ | The Past, Present, And Future Of CircuitPython | Tom Nardi | [
"Hackaday Columns",
"Slider",
"Software Development"
] | [
"adafruit",
"CircuitPython",
"Hack Chat",
"micropython",
"python"
] | Modern microcontrollers like the RP2040 and ESP32 are truly a marvels of engineering. For literal pocket change you can get a chip that’s got a multi-core processor running at hundreds of megahertz, plenty of RAM, and more often than not, some form of wireless connectivity. Their capabilities have been nothing short of... | 37 | 7 | [
{
"comment_id": "6668301",
"author": "Kati Thieme",
"timestamp": "2023-08-01T19:21:15",
"content": "Is circuit python appropriate for real time applications?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6668336",
"author": "Robert",
"timest... | 1,760,372,216.077494 | ||
https://hackaday.com/2023/08/01/examining-test-gear-from-behind-the-iron-curtain/ | Examining Test Gear From Behind The Iron Curtain | Al Williams | [
"Repair Hacks",
"Teardown"
] | [
"oscilloscope",
"soviet"
] | Back in 1978, an oscilloscope was an exotic piece of gear for most homebrewers. We expect they were even more rare in private hands behind the iron curtain, and [Thomas Scherrer] shows us
a Soviet X1-7B
combination oscilloscope and spectrum analyzer (he thinks, at least, it is a spectrum analyzer) that he got working.
... | 8 | 5 | [
{
"comment_id": "6668259",
"author": "paulvdh",
"timestamp": "2023-08-01T16:03:51",
"content": "Haven’t watched the video yet, but from the description it smells like Rifa caps. :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6668268",
"author": "M... | 1,760,372,216.281101 | ||
https://hackaday.com/2023/08/01/jennys-daily-drivers-freebsd-13-2/ | Jenny’s Daily Drivers: FreeBSD 13.2 | Jenny List | [
"computer hacks",
"Featured",
"Slider",
"Software Hacks"
] | [
"BSD",
"daily driver",
"freebsd",
"operating system"
] | Last month I started a series in which I try out different operating systems with the aim of using them for my everyday work, and
my pick was Slackware 15
, the latest version of the first Linux distro I tried back in the mid 1990s. I’ll be back with more Linux-based operating systems in due course, but the whole point... | 28 | 18 | [
{
"comment_id": "6668234",
"author": "Ostracus",
"timestamp": "2023-08-01T14:22:21",
"content": "“Last month I started a series in which I try out different operating systems with the aim of using them for my everyday work…”Try NeXTStep, and yes one can get it up to color and sound with some work.",... | 1,760,372,215.949402 | ||
https://hackaday.com/2023/08/01/pixel-pump-the-open-source-vacuum-pickup-tool-is-now-shipping/ | Pixel Pump, The Open Source Vacuum Pickup Tool Is Now Shipping | Donald Papp | [
"Crowd Funding",
"Tool Hacks"
] | [
"assembly",
"desktop manufacturing",
"pick and place",
"pixel pump",
"smd",
"smt",
"vacuum pickup"
] | The Pixel Pump
is an open source manual pick & place assist tool by [Robin Reiter], and after a long road to completion, it’s ready to ship. We first saw the
Pixel Pump project as an entry to the 2021 Hackaday Prize
and liked the clean design and the concept of a completely open architecture for a tool that is so valua... | 9 | 6 | [
{
"comment_id": "6668178",
"author": "Andy Pugh",
"timestamp": "2023-08-01T11:29:35",
"content": "I was surprised to find an inexpensive vacuum tool available from RS components, a £23 battery-electric pump which is actually cheaper than the rubber bladder devices that don’t work.https://uk.rs-onlin... | 1,760,372,216.229085 | ||
https://hackaday.com/2023/08/01/using-trigonometric-functions-in-css/ | Using Trigonometric Functions In CSS | Maya Posch | [
"Software Development"
] | [
"cascading stylesheets",
"css"
] | Often neglected as ‘merely a styling language’, CSS contains a wealth of functions built right into the browser’s rendering engine that can perform everything from animations to typography and even mathematical operations, with more added each year.
Screenshot of the output of the basic rotating dots example using CSS.... | 14 | 7 | [
{
"comment_id": "6668145",
"author": "bebop",
"timestamp": "2023-08-01T08:43:05",
"content": "You can no doubt do some interesting things with CSS, but for most uses it’s ridiculously overpowered. However, some of the heavy lifting with styles and animations, would have required JS before CSS2/3, an... | 1,760,372,215.776899 | ||
https://hackaday.com/2023/07/31/what-does-it-take-for-a-lego-car-to-roll-downhill-forever/ | What Does It Take For A LEGO Car To Roll Downhill Forever? | Donald Papp | [
"Toy Hacks"
] | [
"lego",
"prototyping",
"treadmill"
] | Cars (including LEGO ones) will roll downhill. In theory if the hill were a treadmill, the car could roll forever. In practice, there are a lot of things waiting to go wrong to keep this from happening. If you’ve ever wondered what those problems would be and what a solution would look like, [Brick Technology]
has a ni... | 11 | 3 | [
{
"comment_id": "6668124",
"author": "IIVQ",
"timestamp": "2023-08-01T07:03:00",
"content": "I’ve seen many “quizzes” on facebook and fora that ask about vehicles on downhill threadmills, but they all seem to rely on the idea of apeed relative to the road, which is a fallacy. A car with frictionless... | 1,760,372,216.597908 | ||
https://hackaday.com/2023/07/31/nematodes-from-the-siberian-permafrost-woke-up-after-a-46000-year-long-nap/ | Nematodes From The Siberian Permafrost Woke Up After A 46,000 Year Long Nap | Maya Posch | [
"News",
"Science"
] | [
"cryptobiosis",
"nematode"
] | The general consensus among us mammals is that if we get very cold, we die. Within the world of nematodes, however, they’d like to differ on that viewpoint. This is demonstrated succinctly after researchers coaxed a batch of these worms
back into action
after they had been frozen in Siberian permafrost for an estimated... | 25 | 5 | [
{
"comment_id": "6668094",
"author": "Andrew",
"timestamp": "2023-08-01T03:19:59",
"content": "What could possibly go wrong?https://en.m.wikipedia.org/wiki/Life_(2017_film)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6668169",
"author": "abjq",
... | 1,760,372,216.452047 | ||
https://hackaday.com/2023/07/31/tinybasiclike-a-target-independent-basic-interpreter/ | TinyBasicLike: A Target-Independent BASIC Interpreter | Maya Posch | [
"Retrocomputing",
"Software Development"
] | [
"basic",
"TinyBASIC"
] | In the long and winding history of BASIC, it’s sometimes hard to keep track of all the different variants and dialects. Some may still remember TinyBASIC, which was published in 1976 as Palo Alto Tiny BASIC by [Gordon Brandly]. Later, TinyBASIC was modified by a number of people including [Scott Lawrence] who created T... | 13 | 9 | [
{
"comment_id": "6667768",
"author": "Joshua",
"timestamp": "2023-07-31T09:08:53",
"content": "Cool! 😎👍Reminds of 8052AH-BASIC that I used.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6667849",
"author": "William Payne",
"timestamp": "20... | 1,760,372,216.500011 | ||
https://hackaday.com/2023/07/30/a-new-educational-robotics-platform/ | A New Educational Robotics Platform | Bryan Cockfield | [
"Robots Hacks"
] | [
"educational",
"learning",
"microcontroller",
"platform",
"programming",
"python",
"Raspberry Pi Pico",
"robot",
"trundlebot",
"turtle",
"WizFi360-EVB-Pico"
] | When looking for electronics projects to use in educational settings, there is no shortage of simple, lightweight, and easily-accessible systems to choose from. From robotic arms, drones, walking robots, and wheeled robots, there is a vast array of options. But as technology marches on, the robotics platforms need to k... | 10 | 6 | [
{
"comment_id": "6667727",
"author": "Andrew",
"timestamp": "2023-07-31T05:13:35",
"content": "It’s the BoEbot all over again.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6667752",
"author": "Paul LeBlanc",
"timestamp": "2023-07-31T07:26:06",
"c... | 1,760,372,216.546212 | ||
https://hackaday.com/2023/07/30/an-open-source-free-circuit-simulator/ | An Open-Source, Free Circuit Simulator | Bryan Cockfield | [
"Software Hacks"
] | [
"circuit simulation",
"free",
"open source",
"qucs",
"qucsstudio",
"software",
"SPICE"
] | The original circuit simulation software, called the Simulation Program with Integrated Circuit Emphasis, or SPICE as it is more commonly known, was originally developed at the University of Califorina Berkeley in the 1970s with an open-source license. That’s the reason for the vast versions of SPICE available now deca... | 60 | 18 | [
{
"comment_id": "6667688",
"author": "natsfr",
"timestamp": "2023-07-31T02:09:22",
"content": "AFAIK Qucs is free and open source, but NOT QucsStudio, the author decided to close his project.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6667700",
"... | 1,760,372,217.230973 | ||
https://hackaday.com/2023/07/30/hackaday-links-july-30-2023/ | Hackaday Links: July 30, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"anachronism",
"cosmetics",
"dna",
"dog",
"Elon Musk",
"Endeavour",
"feces",
"genetic",
"hackaday links",
"IMAX",
"make up",
"Oppenheimer",
"palm pilot",
"seismic",
"Space Shuttle",
"teams",
"twitter"
] | A couple of weeks ago,
we noted with interest
that the space shuttle
Endeavour
(OV85) would be set up as a full-stack launch configuration display, complete with external fuel tank and solid rocket boosters. We predicted that this would result in some interesting engineering, not least of which will be making the entir... | 14 | 5 | [
{
"comment_id": "6667676",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-31T01:25:50",
"content": "What is a triple pendulum seismic isolator?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6667816",
"author": "MacGyverS2000"... | 1,760,372,217.023642 | ||
https://hackaday.com/2023/07/30/turning-a-window-air-conditioning-unit-into-whole-house-ac/ | Turning A Window Air Conditioning Unit Into Whole-House AC | Maya Posch | [
"home hacks"
] | [
"airconditioning"
] | Although air conditioning units are generally subdivided into a number of categories, including window, split and whole house/building units, they still work the same, with the compressor, condenser and expansion stages.
Extending the wiring for the AC unit’s controller board (Credit: HowToLou)
In the case of widely av... | 110 | 23 | [
{
"comment_id": "6667585",
"author": "HaHa",
"timestamp": "2023-07-30T20:04:50",
"content": "Install window AC in window, leave room door open.Done.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6667599",
"author": "David",
"timestamp": "202... | 1,760,372,217.547582 | ||
https://hackaday.com/2023/07/30/the-british-government-is-coming-for-your-privacy/ | The British Government Is Coming For Your Privacy | Jenny List | [
"Current Events",
"News"
] | [
"encryption",
"online safety bill",
"privacy",
"uk"
] | The list of bad legislation relating to the topic of encryption and privacy is long and inglorious. Usually, these legislative stinkers only affect those unfortunate enough to live in the country that passed them. Still, one upcoming law from the British government should have us all concerned. The Online Safety Bill s... | 77 | 23 | [
{
"comment_id": "6667519",
"author": "Lee Stella",
"timestamp": "2023-07-30T17:06:00",
"content": "Just out of personal curiosity, does that law also include a clause in which the British government provides unlimited compensation in case of abuse by a government-approved backdoor?",
"parent_id"... | 1,760,372,216.894073 | ||
https://hackaday.com/2023/07/30/harvesting-mechanical-energy-from-falling-rain/ | Harvesting Mechanical Energy From Falling Rain | Bryan Cockfield | [
"green hacks"
] | [
"energy",
"generator",
"harvesting",
"mechanical energy",
"power",
"rain",
"rain panel",
"triboelectric"
] | Collecting energy from various small mechanical processes has always been something that’s been technically possible, but never done on a large scale due to issues with cost and scalability. It’s much easier to generate electricity in bulk via traditional methods, whether that’s with fossil fuels or other proven proces... | 40 | 11 | [
{
"comment_id": "6667476",
"author": "Ostracus",
"timestamp": "2023-07-30T14:28:28",
"content": "Running a remote monitoring station like weather, earthquake, or ocean.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6667480",
"author": "Artenz",
"times... | 1,760,372,216.971319 | ||
https://hackaday.com/2023/07/30/vacuum-chamber-gets-automation/ | Vacuum Chamber Gets Automation | Bryan Cockfield | [
"Arduino Hacks",
"Parts"
] | [
"atmega 328p",
"vacuum chamber",
"vacuum tube"
] | [Nick Poole] does a lot of custom work with vacuum tubes — so much so that he builds his own vacuum tubes of various shapes, sizes, and functions right on his own workbench. While the theory of vacuum tubes is pretty straightforward, at least to those of us who haven’t only been exposed to semiconductors, producing the... | 18 | 3 | [
{
"comment_id": "6667459",
"author": "Dmgs",
"timestamp": "2023-07-30T12:45:38",
"content": "Stopped watching at about 10:00 when he quotes Unabomber.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6667517",
"author": "floofy",
"timestamp": "... | 1,760,372,217.078556 | ||
https://hackaday.com/2023/07/30/self-hosted-chatbot-focuses-on-privacy/ | Self-Hosted Chatbot Focuses On Privacy | Bryan Cockfield | [
"Artificial Intelligence"
] | [
"chat bot",
"chatbot",
"large language model",
"LLM",
"mozilla",
"self hosting",
"self-hosted"
] | Large language models (LLMs) have been all the rage lately, assisting from all kinds of tasks from programming to devising Excel formulas to shortcutting school work. They’re also relatively easy to access for the most part, but as the old saying goes, if something on the Internet is free the real product is you (and y... | 6 | 2 | [
{
"comment_id": "6667417",
"author": "shinsukke",
"timestamp": "2023-07-30T09:15:34",
"content": "As a rather lonely individual, talking to a self-hosted chatbot model, with a number of personas (that I made, aka “character cards”) has been absolutely catastrophic to my mental health. Never before h... | 1,760,372,217.122246 | ||
https://hackaday.com/2023/07/29/a-modern-replacement-for-the-zx-spectrums-odd-tape-storage-system/ | A Modern Replacement For The ZX Spectrum’s Odd Tape Storage System | Robin Kearey | [
"classic hacks",
"Retrocomputing"
] | [
"microdrive",
"Raspberry Pi Pico",
"tape emulator",
"ZX microdrive",
"ZX Spectrum"
] | Unless you were lucky enough to be able to afford a floppy disk drive, you probably used cassette tapes to store programs and data if you used pretty much any home computer in the 1980s. ZX Spectrum users, however, had another option in the form of the Microdrive. This was a rather unusual continuous-loop mini-tape car... | 44 | 12 | [
{
"comment_id": "6667387",
"author": "Joshua",
"timestamp": "2023-07-30T06:33:47",
"content": "That’s really cool and all, but.. Why does the Speccy so much love? It’s not a great computer, actually. 😕",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6667398"... | 1,760,372,217.632832 | ||
https://hackaday.com/2023/07/29/fiber-infused-ink-allows-3d-printed-heart-muscle-to-beat/ | Fiber-Infused Ink Allows 3D-Printed Heart Muscle To Beat | Maya Posch | [
"3d Printer hacks",
"Medical Hacks",
"Science"
] | [
"biomedical engineering",
"tissue printing"
] | Illustration from Anatomy & Physiology, Connexions Web site.
http://cnx.org/content/col11496/1.6/
, Jun 19, 2013.
What makes a body’s organs into what they are is more than just a grouping of specialized cells. They also need to be oriented and attached to each other and scaffolding in order to create structures which ... | 7 | 3 | [
{
"comment_id": "6667329",
"author": "Chris",
"timestamp": "2023-07-30T02:24:06",
"content": "As a Hypertrophic cardiomyopathy patient, this is exciting news.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6667359",
"author": "Jon H",
"timestamp": "202... | 1,760,372,217.402671 | ||
https://hackaday.com/2023/07/29/mechanical-pencil-solder-feeder-hack/ | Mechanical Pencil Solder Feeder Hack | Chris Lott | [
"Tool Hacks"
] | [
"solder",
"soldering",
"tools"
] | Want a better way to feed solder, but want to do it on the quick and cheap? Well [ptkrf] has a solution for you
in an old instructables post we stumbled upon recently
. You might have, or can inexpensively buy, a mechanical pencil which has the feeder button on the side rather than on top, as usual. With the pencil in ... | 29 | 9 | [
{
"comment_id": "6667316",
"author": "PWalsh",
"timestamp": "2023-07-30T01:18:41",
"content": "If I may ask…What’s the deal with solder holders? Why not just feed the solder with your fingers?Yeah, lead. No lead gets into your body through your hands, you can just wash your hands after, and modern s... | 1,760,372,217.706137 | ||
https://hackaday.com/2023/07/29/automate-your-pin-header-chopping-chores-away/ | Automate Your Pin Header Chopping Chores Away | Dan Maloney | [
"Misc Hacks"
] | [
"automation",
"cam",
"follower",
"kitting",
"pin header"
] | In most cases, cutting pin headers is a pretty simple job to tackle with a pair of cutters or even your bare fingers. But if you’re doing a lot of it, like for kitting up lots of projects for customers, then you might want to look at something like
this automatic pin header cutter
.
Even if you don’t need to follow [Mr... | 7 | 5 | [
{
"comment_id": "6667269",
"author": "Robert",
"timestamp": "2023-07-29T22:04:15",
"content": "He really needs an encoder or a pushed-at-one-point-in-the-cycle roller “limit” switch. otherwise the DC motor which is turning the cam will get out of sync at some point, one cannot rely on assumptions th... | 1,760,372,217.747802 | ||
https://hackaday.com/2023/07/29/voyager-command-glitch-causes-unplanned-pause-in-communications/ | VoyagerCommand Glitch Causes Unplanned Pause In Communications | Dan Maloney | [
"News",
"Space"
] | [
"Canberra",
"canopus",
"DSN",
"high-gain antenna",
"S-band",
"star tracker",
"Voyager 2",
"x band"
] | Important safety tip: When you’re sending commands to the second-most-distant space probe ever launched, make really,
really
sure that what you send isn’t going to cause any problems.
According to NASA
, that’s just what happened to
Voyager 2
last week, when uplinked commands unexpectedly shifted the 46-year-old spacec... | 31 | 14 | [
{
"comment_id": "6667167",
"author": "Anton Sigurjónsson",
"timestamp": "2023-07-29T17:13:00",
"content": "Re-orient and relocate the planet earth.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6667168",
"author": "Andrew",
"timestamp": "2023-07-29T17... | 1,760,372,217.859427 | ||
https://hackaday.com/2023/07/31/rf-remote-made-easy/ | RF Remote Made Easy | Bryan Cockfield | [
"Radio Hacks"
] | [
"433 mhz",
"arduino",
"atmega8",
"four channel",
"radio",
"remote control",
"switching"
] | The 433 MHz spectrum is a little bit of an oddball.
It’s one of the few areas of the radio spectrum which is nearly universally unlicensed
Outside of the US, it’s an open playground for devices that adhere to the power restrictions and other guidelines about best practices. IoT devices operate here, as well as security... | 10 | 4 | [
{
"comment_id": "6668084",
"author": "Paul",
"timestamp": "2023-08-01T01:32:16",
"content": "433 MHz is absolutely NOT an ISM frequency in ITU Region 2. It is not legal anywhere in the North or South America to operate a 433 MHz transmitter without a licence.433 MHz happens to land square in the am... | 1,760,372,217.795195 | ||
https://hackaday.com/2023/07/31/just-how-is-voyager-2-going-to-sort-out-its-dish-then/ | Just How IsVoyager 2Going To Sort Out Its Dish Then? | Jenny List | [
"Space"
] | [
"canopus",
"nasa",
"star tracker",
"Voyager 2"
] | Anybody who has set up a satellite TV antenna will tell you that alignment is critical when picking up a signal from space. With a satellite dish it’s a straightforward task to tweak the position, but what happens if the dish in question is out beyond the edge of the Solar System?
We told you a few days ago about this ... | 29 | 11 | [
{
"comment_id": "6668050",
"author": "Chico Jablonski",
"timestamp": "2023-07-31T22:28:57",
"content": "How would it be built today?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6668055",
"author": "Paul LeBlanc",
"timestamp": "2023-07-31T2... | 1,760,372,217.928522 | ||
https://hackaday.com/2023/07/31/a-usable-arduino-debugging-tool/ | A Usable Arduino Debugging Tool | Bryan Cockfield | [
"Arduino Hacks"
] | [
"arduino",
"debugger",
"display",
"eye2see",
"i2c",
"library",
"program",
"tool"
] | For as popular as the Arduino platform is, it’s not without its problems. Among those is the fact that most practical debugging is often done by placing various
print
statements throughout the code and watching for them in the serial monitor. There’s not really a great way of placing breakpoints or stepping through cod... | 16 | 6 | [
{
"comment_id": "6668000",
"author": "ddss",
"timestamp": "2023-07-31T19:10:32",
"content": "If it is 32-bit Arduino, there are tons of CMSIS-DAP compatible debuggers.If it is 8-bit Arduino, just use debug-wire. There are some repos containing hardware and software tools.https://github.com/dcwbrown/... | 1,760,372,218.056619 | ||
https://hackaday.com/2023/07/31/esas-euclid-space-telescope-and-the-quest-for-dark-energy/ | ESA’s Euclid Space Telescope And The Quest For Dark Energy | Maya Posch | [
"Hackaday Columns",
"Science",
"Space"
] | [
"euclid",
"james webb space telescope",
"space telescope"
] | Most of what humankind and other mammalian species on Earth experience of the Universe is primarily restricted to the part of the electromagnetic spectrum which our optical organs can register. Despite these limitations, we have found ways over the centuries which enable us to perceive the rest of the EM spectrum, to s... | 30 | 5 | [
{
"comment_id": "6667987",
"author": "Pat",
"timestamp": "2023-07-31T18:32:37",
"content": "“Based on the observed redshift and the energy that would be behind the needed acceleration, there should be more energy driving the expansion than we are aware of, or have so far measured as part of vacuum e... | 1,760,372,218.003655 | ||
https://hackaday.com/2023/07/31/cook-up-a-yoke-in-five-minutes/ | Cook Up A Yoke In Five Minutes | Bryan Cockfield | [
"Peripherals Hacks"
] | [
"control yoke",
"flight sim",
"gaming"
] | When it comes to flight simulators, we’ve seen people go all-out with their immersive setups, with all kinds of hyper-realistic control systems and monitors as far as the eye can see. But for those gaming on a budget this can seem a little overwhelming and daunting. We all have to start somewhere, though, so if you’re ... | 16 | 7 | [
{
"comment_id": "6667904",
"author": "Max S.",
"timestamp": "2023-07-31T15:35:00",
"content": "This is very creative!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6667906",
"author": "shod",
"timestamp": "2023-07-31T15:41:11",
"content": "Q: What... | 1,760,372,218.256152 | ||
https://hackaday.com/2023/07/31/ask-hackaday-whats-the-deal-with-humanoid-robots/ | Ask Hackaday: What’s The Deal With Humanoid Robots? | Lewin Day | [
"Current Events",
"Featured",
"Original Art",
"Robots Hacks",
"Slider"
] | [
"human",
"humanoid",
"humanoid robot",
"robot",
"robotics",
"robots"
] | When the term ‘robot’ gets tossed around, our minds usually race to the image of a humanoid machine. These robots are a fixture in pop culture, and often held up as some sort of ideal form.
Yet, one might ask, why the fixation? While we are naturally obsessed with recreating robots in our own image, are these bipedal m... | 43 | 20 | [
{
"comment_id": "6667873",
"author": "Steve P Spence",
"timestamp": "2023-07-31T14:12:17",
"content": "Just let me know when they build a working version of Milla Sofia …",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6668179",
"author": "Winston",
... | 1,760,372,218.537031 | ||
https://hackaday.com/2023/07/31/automatic-transfer-switch-keeps-internet-online/ | Automatic Transfer Switch Keeps Internet Online | Bryan Cockfield | [
"High Voltage"
] | [
"automatic",
"electricity",
"medical device",
"power",
"relay",
"reliability",
"transfer switch"
] | Living in a place where the electric service isn’t particularly reliable can be frustrating, whether that’s because of a lack of infrastructure, frequent storms, or rolling blackouts. An option for those living in these situations is a backup generator, often turned on and connected by an automatic transfer switch. The... | 48 | 18 | [
{
"comment_id": "6667823",
"author": "Mike",
"timestamp": "2023-07-31T11:35:33",
"content": "All he needed was a UPS.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6667832",
"author": "Sebastian",
"timestamp": "2023-07-31T11:57:14",
... | 1,760,372,218.618963 | ||
https://hackaday.com/2023/07/29/the-right-benchmark-for-gpt/ | The Right Benchmark For GPT | Elliot Williams | [
"Artificial Intelligence",
"Hackaday Columns",
"Rants",
"Slider"
] | [
"ai",
"ChatGPT",
"LLM",
"newsletter"
] | Dan Maloney wanted to design a part for 3D printing. OpenSCAD is a coding language for generating 3D objects. ChatGPT can write code. What could possibly go wrong? You should
go read his article because it’s enlightening and hilarious
, but the punchline is that it ran afoul of syntax errors, but also gave him enough o... | 41 | 14 | [
{
"comment_id": "6667106",
"author": "Artenz",
"timestamp": "2023-07-29T14:20:20",
"content": "“It can’t possibly do better than the best of them”That’s not true in general. It’s possible for a LLM to read the sources, and use those to create interconnecting deep patterns that result in unique outpu... | 1,760,372,218.339412 | ||
https://hackaday.com/2023/07/29/the-right-equipment-makes-a-difference-for-digital-oscilloscope-music/ | The Right Equipment Makes A Difference For Digital Oscilloscope Music | Dan Maloney | [
"classic hacks",
"Tool Hacks"
] | [
"analog",
"DC-coupled",
"digital Oscilloscope",
"isolator",
"usb",
"X-Y"
] | We all love our cheap digital oscilloscopes, and with good reason. But if there’s one place where analog scopes still shine, it’s anywhere you need X-Y mode. Digitally sampling the inputs and mapping them on the screen as discrete points just isn’t the same as steering an electron beam around a CRT, making X-Y mode wor... | 4 | 2 | [
{
"comment_id": "6667169",
"author": "Observer",
"timestamp": "2023-07-29T17:16:58",
"content": "I have used my oscope’s X-Y mode extensively to display and study vibration modes in certain rotating machinery. I wish my digital scope had a Z input. Even if only a “beam on”/”beam off” affair, it wo... | 1,760,372,218.706836 | ||
https://hackaday.com/2023/07/29/a-game-boy-camera-without-the-game-boy/ | A Game Boy Camera, Without The Game Boy | Jenny List | [
"digital cameras hacks",
"Nintendo Game Boy Hacks"
] | [
"game boy camera",
"Mitsubishi M64282FP",
"rp2040"
] | We all know the Nintendo Game Boy camera peripheral, and we’ve seen plenty of hacks for it on these pages over the years.
We like [Raphael Boichot]’s camera then
, as instead of including a Game Boy or emulating one, it talks directly to the sensor from an RP2040. The result is a standalone camera with slightly better ... | 3 | 1 | [
{
"comment_id": "6667080",
"author": "Eli Morgan",
"timestamp": "2023-07-29T12:45:20",
"content": "Now it just needs to connect to a zebra printer",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6667228",
"author": "Raphaël",
"timestamp": "202... | 1,760,372,218.657236 | ||
https://hackaday.com/2023/07/28/oled-display-lets-vintage-pc-engage-turbo-mode-in-style/ | OLED Display Lets Vintage PC Engage Turbo Mode In Style | Tom Nardi | [
"Arduino Hacks",
"Retrocomputing"
] | [
"486",
"oled",
"ssd1306",
"turbo button"
] | Back in the 486 days, it was common to see a “Turbo” button on the front panel of many PCs, which was used to toggle between the CPU’s maximum speed and a slower clock rate that was sometimes necessary for compatibility with older software. Usually an LED would light up to show you were running at this higher speed, or... | 10 | 3 | [
{
"comment_id": "6666989",
"author": "David Springs",
"timestamp": "2023-07-29T05:23:47",
"content": "I guess using a Mega for driving a single SSD1306 isn’t much crazier than putting it in a 486. More like a job for a $2 MH-Tiny or something else that’s just as cheap, but you use what’s at hand. I’... | 1,760,372,218.754458 | ||
https://hackaday.com/2023/07/28/understanding-and-using-unicode/ | Understanding And Using Unicode | Chris Lott | [
"computer hacks",
"Misc Hacks"
] | [
"i18n",
"internationalization",
"L10n",
"unicode",
"UTF"
] | Computer engineer [Marco Cilloni] realized a lot of developers today still have trouble dealing with Unicode in their programs, especially in the C/C++ world. He
wrote an excellent guide
that summarizes many of the issues surrounding Unicode and its encoding called “
Unicode is harder than you think
“. He first present... | 43 | 16 | [
{
"comment_id": "6666964",
"author": "DerAxeman",
"timestamp": "2023-07-29T02:50:06",
"content": "I’ll just stick with ASCII thank you very much.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6666995",
"author": "rclark",
"timestamp": "2023-... | 1,760,372,218.837302 | ||
https://hackaday.com/2023/07/28/the-esp32-doesnt-need-much/ | The ESP32 Doesn’t Need Much | Bryan Cockfield | [
"Microcontrollers"
] | [
"dev board",
"development",
"ESP32",
"low component count",
"minimal",
"minimalist"
] | For those looking to add wireless connectivity to embedded projects or to build IoT devices, there is perhaps no more popular module than the ESP32. A dual-core option exists for processor intensive applications, the built-in WiFi and Bluetooth simplify designs, and it has plenty of I/O, memory, and interoperability fo... | 19 | 11 | [
{
"comment_id": "6666928",
"author": "easy",
"timestamp": "2023-07-28T23:40:42",
"content": "checks datasheetminimal circuit diagram supplied by manufacturerhasn’t everyone done this already?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6666936",
"author... | 1,760,372,218.943609 | ||
https://hackaday.com/2023/07/28/splitting-3d-prints-into-parts-can-add-strength/ | Splitting 3D Prints Into Parts Can Add Strength | Donald Papp | [
"3d Printer hacks"
] | [
"3d printed",
"cad",
"dfm",
"strength"
] | One of the great things about 3D printers is their ability to make a single part all at once. Separating a part into multiple pieces is usually done to split up objects that are too big to fit on the 3D printer’s print bed. But [Peter] at Markforged (manufacturers of high-end 3D printers) has a video explaining another... | 5 | 3 | [
{
"comment_id": "6666879",
"author": "smellsofbikes",
"timestamp": "2023-07-28T20:08:11",
"content": "I’ve done some messing around with pseudo-isotropic 3d printing by printing a shape that’s definitely bad, like a tall thin cylinder, and gently pressing a core in that has been printed flat so it h... | 1,760,372,218.885511 | ||
https://hackaday.com/2023/07/27/how-to-survive-a-wet-bulb-event/ | How To Survive A Wet Bulb Event | Lewin Day | [
"Current Events",
"Featured",
"Original Art",
"Science",
"Slider"
] | [
"ac",
"air conditioner",
"hvac",
"wet bulb",
"wet bulb event"
] | Territories across the northern hemisphere are suffering through record-breaking heatwaves this summer. Climate scientists are publishing graphs with red lines jagging dangerously upwards as unprecedented numbers pour in. Residents of the southern hemisphere watch on, wondering what the coming hot season will bring.
20... | 268 | 50 | [
{
"comment_id": "6666356",
"author": "Anonymous",
"timestamp": "2023-07-27T14:14:26",
"content": "Why is this a meme all of a sudden? Nobody was talking about wet bulbs a couple months ago, now it’s everywhere.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,372,219.406146 | ||
https://hackaday.com/2023/07/27/getmusic-uses-machine-learning-to-generate-music-understands-tracks/ | GETMusic Uses Machine Learning To Generate Music, Understands Tracks | Donald Papp | [
"Artificial Intelligence",
"Musical Hacks"
] | [
"ai",
"diffusion model",
"generative",
"midi",
"music",
"tracks"
] | Music generation guided by machine learning can make great projects, but there’s not usually much apparent control over the results. The system makes what it makes, and it’s an achievement if the results are not
obvious
cacophony. But that’s all different with
GETMusic
which allows for a much more involved approach bec... | 10 | 4 | [
{
"comment_id": "6666332",
"author": "TiMan",
"timestamp": "2023-07-27T12:54:53",
"content": "I am sure that AI can and will generate some excellent music. If it is commercialized, who will get the royalties? Maybe just like “video killed the radio star”, AI will kill the desire to learn and maste... | 1,760,372,218.993297 | ||
https://hackaday.com/2023/07/27/a-nifty-3d-printed-rc-car/ | A Nifty 3D Printed RC Car | Lewin Day | [
"Toy Hacks"
] | [
"3d printed",
"3d printer",
"R/C car"
] | Once upon a time, a remote controlled (RC) car was something you’d buy at Radio Shack or your local hobby store. These days, you can print your own, complete with suspension, right at home,
as this project from [Logan57] demonstrates.
The design uses standard off-the-shelf hobby-grade components, with a brushed motor a... | 9 | 3 | [
{
"comment_id": "6666279",
"author": "Digitalzombie",
"timestamp": "2023-07-27T08:37:00",
"content": "It’s been a looong time since I’ve owned a RC car.But that sound of those little wheels on asphalt is an instant childhood-nostalgia trigger.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,219.449204 | ||
https://hackaday.com/2023/07/26/running-a-modern-graphics-card-in-a-33-mhz-pci-slot/ | Running A Modern Graphics Card In A 33 MHz PCI Slot | Maya Posch | [
"computer hacks"
] | [
"pci",
"PCIe"
] | If you ever looked at a PCI to PCIe x16 adapter and wondered what’d happen if you were to stick a modern PCIe GPU in it, the answer apparently is ‘it works’
according to an attempt
by [Circuit Rewind]. As long as you accept needing to supply external power with even a low-end GT 1030 card – as the PCI slot cannot provi... | 22 | 7 | [
{
"comment_id": "6666240",
"author": "Daniel",
"timestamp": "2023-07-27T05:51:54",
"content": "The problem with PCI and PCIe in this direction is that with PCI the configuration space per device was only 256 bytes. You can’t reach the full 4 kB of PCIe devices. So this will work only with devices th... | 1,760,372,219.621095 | ||
https://hackaday.com/2023/07/26/this-months-worlds-largest-wind-turbine-goes-operational/ | This Month’s World’s Largest Wind Turbine Goes Operational | Chris Lott | [
"green hacks",
"News"
] | [
"china",
"renewable energy",
"wind turbines"
] | A new
wind turbine installed in the Taiwan Strait
went online last week, as part of the Fujian offshore wind farm project by the China Three Gorges Corporation (CTG). The system is the MySE 16-260, designed by the Ming Yang Wind Power Group, one of the leading manufacturers of wind turbines in the world. The numbers ar... | 56 | 12 | [
{
"comment_id": "6666222",
"author": "Andy",
"timestamp": "2023-07-27T02:15:56",
"content": "The only argument from a sensible pov is how much energy was used to create energy i.e. when will it break even. What kind of energy was used is usually laughably sensitive.",
"parent_id": null,
"de... | 1,760,372,219.716271 | ||
https://hackaday.com/2023/07/26/3d-printed-rc-skid-steer-is-cute-construction-machinery-done-right/ | 3D-Printed RC Skid Steer Is Cute Construction Machinery Done Right | Lewin Day | [
"Toy Hacks"
] | [
"radio control",
"skid steer",
"skidsteer"
] | Skid steers are great fun if you get to drive one on a construction site. [ProfessorBoots] has long been a fan of the diminutive diggers,
and decided to make a 3D-printed version for his own pleasure.
The build uses a chassis printed in several colors which adequately recreates the charms of a full-sized skid steer. Th... | 11 | 10 | [
{
"comment_id": "6666199",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-26T23:19:00",
"content": "Cute!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6666202",
"author": "Daniel Thomas Erickson",
"timestamp": "2023-07-26T23:3... | 1,760,372,219.759929 | ||
https://hackaday.com/2023/07/26/workshop-dust-manifold-spreads-the-suction-around/ | Workshop Dust Manifold Spreads The Suction Around | Lewin Day | [
"Tool Hacks"
] | [
"dust",
"dust extraction",
"dust extractor",
"sawdust",
"woodwork",
"woodworking"
] | Let’s say you’re doing lots of woodwork now, and you’ve expanded your workshop with a few big tools. You’re probably noticing the sawdust piling up awfully quick. It would be ideal to have some kind of collection system, but you don’t want to buy a shop vac for every tool.
This simple manifold from [Well Done Tips] is ... | 15 | 9 | [
{
"comment_id": "6666172",
"author": "transistor-man",
"timestamp": "2023-07-26T20:45:00",
"content": "This is brilliant",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6666176",
"author": "now just Bob",
"timestamp": "2023-07-26T21:02:32",
"content... | 1,760,372,219.811119 | ||
https://hackaday.com/2023/07/27/denim-epoxy-table-is-a-work-of-art/ | Denim Epoxy Table Is A Work Of Art | Lewin Day | [
"Art",
"home hacks"
] | [
"denim",
"desk",
"table",
"woodwork"
] | Epoxy has become a hugely popular material in the woodworking and furniture worlds. Who doesn’t love glossy, translucent finishes, after all? [Cam] recently spotted some neat combinations of epoxy with denim, and decided to see if he could replicate the technique to create a very unique desk.
We’d say he succeeded.
A s... | 34 | 16 | [
{
"comment_id": "6666644",
"author": "paulvdh",
"timestamp": "2023-07-28T05:17:36",
"content": "I saw that one a few weeks ago and I found the table quite boring.The table would have been a lot more interesting if he just put whole trousers into the table instead of first cutting small pieces out of... | 1,760,372,219.967316 | ||
https://hackaday.com/2023/07/27/exploring-tropical-rainforest-stratification-using-space-based-lidar/ | Exploring Tropical Rainforest Stratification Using Space-Based LiDAR | Maya Posch | [
"Science"
] | [
"biology",
"lidar",
"rainforest"
] | GEDI is deployed on the the Japanese Experiment Module – Exposed Facility (JEM-EF). The highlighted box shows the location of GEDI on the JEM-EF.
Even though it may seem like we have already explored every single square centimeter of the Earth, there are still many areas that are practically unmapped. These areas inclu... | 11 | 4 | [
{
"comment_id": "6666640",
"author": "Joshua",
"timestamp": "2023-07-28T04:57:11",
"content": "“Originally, the LiDAR scanner was suppose to be decommissioned by stuffing it into the trunk of a Dragon craft before its deorbit, but after NASA found a way to scoot the scanner over to make way for a DO... | 1,760,372,219.863364 | ||
https://hackaday.com/2023/07/27/a-wigglegram-lens-with-variable-aperture/ | A Wigglegram Lens With Variable Aperture | Lewin Day | [
"digital cameras hacks"
] | [
"camera lens",
"full-frame camera",
"lens",
"sony",
"wigglegram"
] | Wigglegrams are those weird animated pictures you’ve seen that seem to generate a 3D-like effect. [scealux] had built lenses to take such pictures before, but wanted to take things to the next level.
Enter the Wigglegram Lens, version 2.
In building a new lens for the Open Sauce ’23 event, [scealux] wanted to get varia... | 6 | 3 | [
{
"comment_id": "6666730",
"author": "Formerly J",
"timestamp": "2023-07-28T12:03:45",
"content": "I wonder if it would make sense to build a version of this that had different filters behind or in front of each lens. Maybe a version with four or nine lenses instead. My thought being to use the came... | 1,760,372,220.01509 |
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