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https://hackaday.com/2023/02/21/openstructures-is-a-modular-building-system-for-the-reprap-age/ | OpenStructures Is A Modular Building System For The RepRap Age | Navarre Bartz | [
"hardware",
"Parts"
] | [
"grid beam",
"modular",
"modular design",
"modular hardware",
"OpenStructures"
] | Modular construction toys like LEGO and Meccano are great for prototyping, but they aren’t so great for large builds.
OpenStructures
promises to be a modular building system for projects large and small.
Originally conceived in 2007 by [Thomas Lommée], OpenStructures is a modern, more robust reinterpretation of
Grid Be... | 24 | 14 | [
{
"comment_id": "6602006",
"author": "Dan (No, the OTHER one)",
"timestamp": "2023-02-22T00:07:59",
"content": "Looks great in all, but do we really expect everyone to just jump into 20mm spacing? I mean, some things will work with 20mm intervals, but there are more that will work in 1mm, 2.4mm and ... | 1,760,372,391.700956 | ||
https://hackaday.com/2023/02/21/travel-the-world-looking-for-retro-tech-virtually/ | Travel The World Looking For Retro Tech, Virtually | Tom Nardi | [
"cons",
"Retrocomputing"
] | [
"events",
"museums",
"retrocomputing",
"swap meet"
] | For those who have a passion for vintage hardware, whether it be a classic computer or a war-surplus ham radio rig, finding the things without resorting to paying shipping fees on eBay can sometimes be tricky. Your best bet is to find a local fair or swap event, but it always seems they’re the kind of thing you find ou... | 1 | 1 | [
{
"comment_id": "6601945",
"author": "Stephen Walters",
"timestamp": "2023-02-21T21:23:32",
"content": "Who is going here, on Sunday?http://www.computinghistory.org.uk/det/69238/Retro-Computer-Sale-Sunday-26th-February-2023/Stephen: 9am to 5pmStephen: Centre for Computing HistoryRene CourtColdhams R... | 1,760,372,391.588674 | ||
https://hackaday.com/2023/02/20/digital-library-of-amateur-radio-and-communications-is-a-treasure-trove/ | Digital Library Of Amateur Radio And Communications Is A Treasure Trove | Al Williams | [
"Radio Hacks"
] | [
"ham radio",
"library"
] | Having a big bookshelf of ham radio books and magazines used to be a point of bragging right for hams. These days, you are more likely to just browse the internet for information. But you can still have, virtually, that big shelf of old ham books, thanks to the DLARC — the digital library of
Amateur Radio and Communica... | 24 | 8 | [
{
"comment_id": "6601554",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-02-21T03:07:12",
"content": "Bookmarked!But it seems ironic that the form of communication (amateur radio) that will be the most needed should another Carrington Event occur, or Zombie Apocalypse, is archi... | 1,760,372,391.363007 | ||
https://hackaday.com/2023/02/20/clear-pla-diffuses-leds/ | Clear PLA Diffuses LEDs | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"FDM",
"transparent"
] | [Chuck] often prints up interesting 3D prints. But we enjoyed his enhancement to a cheap LED Christmas tree kit. The original kit was simply a few green PCBs in the shape of a tree. Cute, but not really something a non-nerd would appreciate. What [Chuck] did, though, is printed a clear PLA overcoat for it and it
came o... | 11 | 5 | [
{
"comment_id": "6601513",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-02-21T00:57:52",
"content": "I really liked his tip about trimming transistor leads at an angle.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6601874",
"... | 1,760,372,391.537591 | ||
https://hackaday.com/2023/02/20/automating-the-most-analog-of-hvac-equipment/ | Automating The Most Analog Of HVAC Equipment | Bryan Cockfield | [
"home hacks"
] | [
"automation",
"heat",
"home",
"node-red",
"raspberry pi",
"temperature",
"wood",
"wood stove"
] | Burning wood, while not a perfect heating solution, has a number of advantages over more modern heating appliances. It’s a renewable resource, doesn’t add carbon to the atmosphere over geologic time scales like fossil fuels do, can be harvested locally using simple tools, and it doesn’t require any modern infrastructur... | 35 | 13 | [
{
"comment_id": "6601473",
"author": "FU",
"timestamp": "2023-02-20T23:16:56",
"content": "You’re just playing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6601483",
"author": "Naxes",
"timestamp": "2023-02-20T23:40:12",
"content":... | 1,760,372,391.172689 | ||
https://hackaday.com/2023/02/20/low-power-challenge-weather-station-runs-for-months-thanks-to-e-ink-display/ | Low Power Challenge: Weather Station Runs For Months Thanks To E-Ink Display | Robin Kearey | [
"home hacks"
] | [
"e-ink display",
"ESP32",
"low power",
"weather station"
] | Having a device in your living room that shows weather information is convenient, and building one of those is a great project if you enjoy tinkering with microcontrollers and environmental sensors. It’s also a great way to learn about low-power design, as [x-labz] demonstrated with their
e-ink weather station
which wo... | 2 | 2 | [
{
"comment_id": "6601659",
"author": "Kolono",
"timestamp": "2023-02-21T08:06:39",
"content": "I need other challenge. Linux, minix or fuzix month terminal with cc and bash, sshscreen, no sound, keyboard. It is possible. Unix can run on machine with 10MhzPower is a key",
"parent_id": null,
"... | 1,760,372,391.631551 | ||
https://hackaday.com/2023/02/20/picking-a-laser-hack-chat/ | Picking A Laser Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, February 22 at noon Pacific for the
Picking a Laser Hack Chat
with
Jonathan Schwartz
!
You’ve got to admit that it’s a pretty cool world to live in that presents a problem like, “Which laser cutter should I buy?” It wasn’t all that long ago that decisions on laser purchases were strictly in the re... | 25 | 2 | [
{
"comment_id": "6601380",
"author": "cory",
"timestamp": "2023-02-20T18:44:45",
"content": "Just don’t buy one on aliexpress/alibaba. The seller will be non-compliant, the FDA will seize the laser, alibaba won’t refund it, it will be sitting 1000’s of miles from you, CBP will fine you 3x the cost,... | 1,760,372,391.479514 | ||
https://hackaday.com/2023/02/20/jet-engine-powers-tea-kettle/ | Jet Engine Powers Tea Kettle | Bryan Cockfield | [
"Engine Hacks"
] | [
"engine",
"jet",
"kettle",
"pulse jet",
"pulsejet",
"speed",
"tea"
] | While there are plenty of places around the world to get a great cup of tea, no one has quite burned it into their culture like those in the United Kingdom. While they don’t have the climate to grow the plants themselves, they at least have figured out the art of heating water extremely rapidly in purpose-built electri... | 36 | 17 | [
{
"comment_id": "6601323",
"author": "Mike",
"timestamp": "2023-02-20T15:36:08",
"content": "” JET ENGINE POWERS TEA KETTLE ” Its NOT a Jet Engine!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6601325",
"author": "Dan (No, the OTHER one)",
... | 1,760,372,391.298737 | ||
https://hackaday.com/2023/02/20/precious-plastic-prosthetics/ | Precious Plastic Prosthetics | Navarre Bartz | [
"Medical Hacks"
] | [
"Indonesia",
"medicine",
"plastic recycling",
"Precious Plastic",
"Prosthesis",
"prosthetic",
"prosthetic leg",
"prosthetic socket",
"recycling"
] | Plastic waste is a major problem, but what if you could turn the world’s trash into treasure? [Yayasan Kaki Kita Sukasada (YKKS)] in Indonesia is doing this by
using recycled plastic to make prosthetic legs
.
Polypropylene source material is shredded and formed into a sheet which is molded into the required shape for t... | 8 | 5 | [
{
"comment_id": "6601306",
"author": "ThisGuy",
"timestamp": "2023-02-20T14:24:15",
"content": "While it’s better than nothing, for applications like this I have some doubts on the safety of recycling just any plastic. Lots of plastics contain not insignificant amounts of additive chemicals (plastic... | 1,760,372,391.412429 | ||
https://hackaday.com/2023/02/20/pingo-is-an-analog-clock-that-uses-colors-instead-of-hands/ | Pingo Is An Analog Clock That Uses Colors Instead Of Hands | Robin Kearey | [
"clock hacks",
"LED Hacks"
] | [
"color code",
"ESP8266",
"LED clock"
] | The purpose of a clock is to show the time, obviously. But if you’ve followed Hackaday for some time, you’ll know there are about a million different ways of achieving this. [illusionmanager] added yet another method in his
Pingo Color Clock
, which, as the name suggests, uses color as the main indicator.
The clock’s f... | 8 | 6 | [
{
"comment_id": "6601262",
"author": "Floydian Slip",
"timestamp": "2023-02-20T10:36:54",
"content": "An interesting idea.I’m just wondering, what’s the significance of Stuart Little?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6601512",
"author":... | 1,760,372,391.224281 | ||
https://hackaday.com/2023/02/19/uv-photography-box-is-great-for-shooting-fancy-rocks/ | UV Photography Box Is Great For Shooting Fancy Rocks | Lewin Day | [
"Science"
] | [
"fluorescence",
"geology",
"rocks",
"uv",
"UV LED",
"uva",
"uvc"
] | If you want to shoot photographs of various fluorescent UV-related phenomena, it’s hard to do so when ambient light is crowding out your subject. For this work, you’ll want a dedicated UV photography box, and [NotLikeALeafOnTheWind] has a design
that might just work for you.
The build is set up for both UVA and UVC pho... | 9 | 4 | [
{
"comment_id": "6601229",
"author": "Saireh",
"timestamp": "2023-02-20T07:18:17",
"content": "It’s a shame Wood’s glass doesn’t have transparency in the deep UV (perhaps it would if it were based on fused silica) because cutting out the fluorescence of the light source can really help improve the q... | 1,760,372,391.914075 | ||
https://hackaday.com/2023/02/19/wi-fi-sensor-for-rapid-prototyping/ | Wi-Fi Sensor For Rapid Prototyping | Bryan Cockfield | [
"Microcontrollers"
] | [
"ESP32",
"microcontroller",
"no solder",
"prototyping",
"sensor",
"temperature"
] | There might seem like a wide gulf between the rapid prototyping of a project and learning a completely new electronics platform, but with the right set of tools, these two tasks can go hand-in-hand. That was at least the goal with this particular build, which seeks to use
a no-soldering method of assembling electronics... | 4 | 3 | [
{
"comment_id": "6601258",
"author": "Lee",
"timestamp": "2023-02-20T10:26:38",
"content": "Nothing new, that stuff has been floating around for a while. Costs way more then using dupont jumper wires and headers too.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,372,392.175507 | ||
https://hackaday.com/2023/02/19/hackaday-links-february-19-2023/ | Hackaday Links: February 19, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"AIM-9X",
"amateur radio",
"APRS",
"bill hammack",
"Bing AI",
"chatbot",
"Engineer Guy",
"HAB",
"hackaday links",
"high altitude balloon",
"microsoft",
"sidewinder",
"Sydney",
"water heater",
"wspr"
] | For years, Microsoft’s modus operandi was summed up succinctly as, “Extend and enhance.” The aphorism covered a lot of ground, but basically it seemed to mean being on the lookout for the latest and greatest technology, acquiring it by any means, and shoehorning it into their existing product lines, usually with mixed ... | 26 | 14 | [
{
"comment_id": "6601165",
"author": "Nowhere",
"timestamp": "2023-02-20T00:12:50",
"content": "“it seems like the homeowner will still have to pay for the electricity to power the server, plus we’d suspect some kind of high-speed Internet connection would be required,”I guess you didn’t finish read... | 1,760,372,392.708341 | ||
https://hackaday.com/2023/02/19/a-better-playlist-shuffle-algorithm-is-possible/ | A Better Playlist Shuffle Algorithm Is Possible | Lewin Day | [
"Musical Hacks"
] | [
"apple music",
"music",
"shuffle",
"spotify"
] | When listening to music, most of us reach for the shuffle button on the regular. This is then followed by a bunch of frustrating skips as we hear the same four or five tracks that have been regularly replayed for the last few days. [Ron Miller] wants to fix unsatisfying shuffles,
and he’s developed the Miller Shuffle a... | 52 | 15 | [
{
"comment_id": "6601132",
"author": "IIVQ",
"timestamp": "2023-02-19T21:05:38",
"content": "If there is something I do NOT want, it is for my music to shuffle. I am very much an album listener, where I listen to a whole album at a time.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,392.361769 | ||
https://hackaday.com/2023/02/19/watch-sony-engineers-tear-down-sonys-vr-hardware/ | Watch Sony Engineers Tear Down Sony’s VR Hardware | Donald Papp | [
"Games",
"Teardown",
"Virtual Reality"
] | [
"PSVR",
"sony",
"teardown",
"vr"
] | Teardowns are great because they let us peek not only at a product’s components, but also gain insight into the design decisions and implementations of hardware. For teardowns, we’re used to waiting until enthusiasts and enterprising hackers create them, so it came as a bit of a surprise to see Sony themselves
share de... | 22 | 7 | [
{
"comment_id": "6601123",
"author": "Olivier",
"timestamp": "2023-02-19T20:37:59",
"content": "With the ‘recent’ trend of glue and melting parts together i always love to see this (a company making a video about taking apart their product) but at the same time it always makes me wonder if they are ... | 1,760,372,392.473834 | ||
https://hackaday.com/2023/02/19/phase-change-materials-for-flexible-and-strong-robots/ | Phase Change Materials For Flexible And Strong Robots | Navarre Bartz | [
"Medical Hacks",
"Robots Hacks",
"Science"
] | [
"Drug delivery",
"materials science",
"medicine",
"phase change",
"phase change materials",
"repair",
"smart soldering",
"solder",
"terminator"
] | Shape shifters have long been the stuff of speculative fiction, but researchers in China have developed a
magnetoactive phase transitional matter
(MPTM) that makes Odo slipping through an air vent that much more believable.
Soft robots can squeeze into small spaces or change shape as needed, but many of these systems a... | 21 | 8 | [
{
"comment_id": "6601070",
"author": "bob",
"timestamp": "2023-02-19T15:32:06",
"content": "Looks like it is sadly too expensive to make sex toys out of.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6601076",
"author": "Cap",
"timestamp": "... | 1,760,372,392.641421 | ||
https://hackaday.com/2023/02/19/digital-video-from-the-amigas-db23-socket/ | Digital Video From The Amiga’s DB23 Socket | Jenny List | [
"News",
"Retrocomputing"
] | [
"amiga",
"digital video",
"hdmi"
] | Back in the days of 16-bit home computers, the one to have if your interests extended to graphics was the Commodore Amiga. It had high resolutions for the time in an impressive number of colours, and thanks to its unique video circuitry, it could produce genlocked broadcast-quality video. Here in 2023 though, it’s all ... | 5 | 2 | [
{
"comment_id": "6601146",
"author": "rasz_pl",
"timestamp": "2023-02-19T22:30:23",
"content": "Amiga always had digital video output on pins 6-9. In theory should work with CGA monitor, in reality I have never seen Amiga connected to one, not even a clip on YT of someone trying for the lulz. Great ... | 1,760,372,392.409311 | ||
https://hackaday.com/2023/02/19/tiny-pcb-banishes-soldering-fumes-automatically/ | Tiny PCB Banishes Soldering Fumes, Automatically | Donald Papp | [
"Tool Hacks"
] | [
"comparator",
"fan",
"LED indicator",
"Manhattan Style",
"solder fume fan",
"soldering station"
] | A fan to remove fumes is a handy thing to have when soldering, even better is a fan furnished with a filter. Better still is
a fan that activates only when the iron is in use
, turning off when the iron is in its stand. Now that’s handy!
[Petteri Aimonen] made exactly such a device when he noticed his JBC BT-2BWA solde... | 28 | 11 | [
{
"comment_id": "6601054",
"author": "Jii",
"timestamp": "2023-02-19T12:56:42",
"content": "Does what it needs. Good hack.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6601069",
"author": "oz",
"timestamp": "2023-02-19T15:28:05",
"c... | 1,760,372,392.880482 | ||
https://hackaday.com/2023/02/18/diy-mini-fridge-is-pure-brilliance-in-foam/ | DIY Mini Fridge Is Pure Brilliance In Foam | Lewin Day | [
"Misc Hacks"
] | [
"cola",
"diy",
"fridge",
"peltier module",
"soda",
"sodas",
"thermoelectric cooler"
] | There’s nothing more pleasing on a hot day than an ice-cold beverage. While the vast majority of us have a fridge in the kitchen, sometimes it’s desirable to have a further fridge in the lab, games room, or workshop. To that end, you may find value in this
ultra-cheap, low-cost DIY fridge build from [Handy_Bear].
Like ... | 54 | 13 | [
{
"comment_id": "6601017",
"author": "steves",
"timestamp": "2023-02-19T08:09:39",
"content": "How many watts of power would a normal fridge take to cool down just two regulation-sized sodas?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6601018",
"... | 1,760,372,392.574905 | ||
https://hackaday.com/2023/02/18/put-a-constellation-in-your-dining-room/ | Put A Constellation In Your Dining Room | Navarre Bartz | [
"home hacks",
"LED Hacks"
] | [
"constellations",
"home lighting",
"plywood",
"Southern Cross"
] | We love lamps here at Hackaday, especially if they imitate natural light sources. [Scott McIndoe] used his love of lamps to fashion a chandelier replicating his favorite constellation,
the Southern Cross
.
Starting with the Southern Cross’s four major stars and the pointers of Alpha and Beta Centauri, [McIndoe] sketche... | 3 | 2 | [
{
"comment_id": "6601104",
"author": "Bootstrap",
"timestamp": "2023-02-19T18:22:24",
"content": "“Wave breaking design” haha NO.That is a koru, and is based on a curled fern frond. Symbol of life and strength",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,372,392.749697 | ||
https://hackaday.com/2023/02/18/a-low-budget-diy-vibrotactile-stimulator-for-experimental-crs/ | A Low Budget DIY Vibrotactile Stimulator For Experimental CRS | Dave Rowntree | [
"Medical Hacks"
] | [
"coordinated reset stimulation",
"deep brain stimulation",
"medicine",
"neuromodulation",
"NodeMCU",
"parkinson's",
"Parkinson's disease",
"vibrotactile"
] | Modern techniques of Coordinated Reset Stimulation (CRS), which is usually administered with invasive deep brain stimulation, can have a miraculous effect on those suffering from Parkinson’s disease. However, the CRS technique can also apparently be administered via so-called
vibrotactile
CRS (vCRS) which essentially m... | 7 | 4 | [
{
"comment_id": "6600949",
"author": "JD",
"timestamp": "2023-02-19T00:21:51",
"content": "Thank you for posting this. We’ve got tremors in my family and it’s wonderful to hear about the research going on, even if it’s still in development.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,372,392.803626 | ||
https://hackaday.com/2023/02/18/led-filament-lamp-is-subtle-warm-and-elegant/ | LED Filament Lamp Is Subtle, Warm, And Elegant | Lewin Day | [
"LED Hacks"
] | [
"lamp",
"led",
"LED filament"
] | Hackers have loved LEDs from day one, back when they gave us little more than a dim spot of colored light in the darkness. These days, they’re big, bright, and beautiful, and can be used to create some exquisite lighting fixtures.
This lamp build from [lonesoulsurfer] is a great example of that.
The build uses LED fila... | 5 | 4 | [
{
"comment_id": "6601256",
"author": "shod",
"timestamp": "2023-02-20T10:18:33",
"content": "For some reason I no longer see images on the instructables site, perhaps because of my active protection, and them they using ‘pixel.jpg’ as placeholders.So eager to deliver ads that the whole site becomes ... | 1,760,372,392.937921 | ||
https://hackaday.com/2023/02/18/the-usaf-almost-declares-war-on-illinois-radio-amateurs/ | The USAF (Almost) Declares War On Illinois Radio Amateurs | Jenny List | [
"News",
"Radio Hacks"
] | [
"balloon",
"HAB",
"pico balloon",
"wspr"
] | Every week the Hackaday editors gather online to discuss the tech stories of the moment, and among the topics this week was the balloons shot down over North America that are thought to be Chinese spying devices. Among the banter came the amusing thought that enterprising trolls on the Pacific rim could launch balloons... | 132 | 31 | [
{
"comment_id": "6600815",
"author": "John Schuch",
"timestamp": "2023-02-18T18:08:52",
"content": "They also demonstrated that they can detect, track, and destroy tiny balloons too, without destroying anything of great significance.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,393.16512 | ||
https://hackaday.com/2023/02/18/stair-climbing-rover-gets-up-with-rocker-bogies/ | Stair Climbing Rover Gets Up With Rocker Bogies | Lewin Day | [
"Robots Hacks"
] | [
"mars rover",
"rocker-bogie",
"rover"
] | Doctor Who
eventually made light of the fact that the Daleks were critically impaired when it came to staircases. This rover from [WildWillyRobots] doesn’t share that issue,
thanks to a smart suspension design
.
The rover itself is built using 3D printed components for everything from the enclosure, to the suspension s... | 8 | 4 | [
{
"comment_id": "6600792",
"author": "Aleph Baker",
"timestamp": "2023-02-18T15:48:42",
"content": "clearly the six-wheel configuration is the most economical rocker-bogie design, but I’ve often wondered if there would be any advantages to an eight-wheeled rocker-double-bogie configuration. either w... | 1,760,372,393.338425 | ||
https://hackaday.com/2023/02/18/a-call-for-better-shower-temperature-controls/ | A Call For Better Shower Temperature Controls | Lewin Day | [
"home hacks"
] | [
"mixer tap",
"shower",
"shower tap",
"tap"
] | A good shower is a beautiful, rejuvenating experience. Contrarily, a shower that’s either too hot or too cold becomes a harrowing trial of endurance. [Ben Holmen] has been musing on the way we control temperature in our showers, and he has come to the conclusion that it’s not good enough.
He’s done the math
, quantifie... | 144 | 38 | [
{
"comment_id": "6600737",
"author": "Artenz",
"timestamp": "2023-02-18T12:09:27",
"content": "Get used to cold showers, and you never have to fiddle with the taps again.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6600740",
"author": "stappers",
... | 1,760,372,393.615277 | ||
https://hackaday.com/2023/02/18/anatomy-of-a-fake-co2-sensor/ | Anatomy Of A Fake CO2 Sensor | Jenny List | [
"Teardown"
] | [
"CO2 sensor",
"fake",
"teardown"
] | The pandemic brought with it a need to maintain adequate ventilation in enclosed spaces, and thus, there’s been considerable interest in inexpensive C02 monitors. Unfortunately, there are unscrupulous actors out there that have seen this as a chance to make a quick profit.
Recently [bigclivedotcom] got one such
low-cos... | 44 | 17 | [
{
"comment_id": "6600703",
"author": "shinsukke",
"timestamp": "2023-02-18T09:17:59",
"content": "This makes no sense. They went through all the trouble of designing the device, procuring the components, then manufacturing it, just to mislabel it and sell it as something that its not?Seems like such... | 1,760,372,393.748101 | ||
https://hackaday.com/2023/02/17/hack-lets-intel-macbook-run-without-a-battery/ | Hack Lets Intel MacBook Run Without A Battery | Lewin Day | [
"laptops hacks"
] | [
"macbook",
"macbook pro"
] | A long time ago, a laptop was a basic thing, and you could pretty much run one just by hooking up a power supply to the battery contacts. A modern MacBook is altogether fussier. However, when [Christophe] was stuck in the midst of a 2020 lockdown with no parts available,
he found a way to get his damaged MacBook up and... | 31 | 8 | [
{
"comment_id": "6600683",
"author": "Hugo",
"timestamp": "2023-02-18T06:21:52",
"content": "Pretty clear why they would throttle – obviously the worst case current peaks can’t be supplied by the AC psu alone (I think the 13” came with a 60W brick). Max CPU/GPU max display brightness, peak USB load,... | 1,760,372,394.086091 | ||
https://hackaday.com/2023/02/17/quantum-interconnects-get-faster/ | Quantum Interconnects Get Faster | Al Williams | [
"Science"
] | [
"qbit",
"quantum computing",
"university of sussex"
] | If you are a retrocomputer fan, you might remember when serial ports were a few hundred baud and busses ran at a few megahertz at the most. Today, of course, we have buses and fabric that can run at tremendous speeds. Quantum computing, though, has to start from scratch. One major problem is that jockeying quantum stat... | 2 | 2 | [
{
"comment_id": "6600660",
"author": "Stuart Longland",
"timestamp": "2023-02-18T04:23:13",
"content": "UQ Connect used to be the name of the first ISP in Brisbane, and was run by the University of Queensland.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "660... | 1,760,372,393.256083 | ||
https://hackaday.com/2023/02/17/fail-of-the-week-epic-312-weeks-of-fixing-a-broken-project/ | Fail Of The Week: Epic 312 Weeks Of Fixing A Broken Project | Anool Mahidharia | [
"Fail of the Week"
] | [
"atmega",
"binary",
"binary calendar",
"binary clock",
"calendar",
"christmas",
"christmas calendar",
"christmas ornament",
"ESP32",
"ESP8266"
] | If a hacker guardian angel exists, then we’re sure he or she was definitely AWOL for six long years from [Aaron Eiche]’s life as he worked on perfecting and making his
Christmas Countdown clock
. [Aaron] started this binary clock project in 2016, and only managed to make it work as expected in 2022 after a string of fa... | 7 | 5 | [
{
"comment_id": "6600666",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-02-18T05:00:19",
"content": "No wonder Fail of the Week articles have not been regularly posted![Aaron] has been hogging them all!B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,393.298012 | ||
https://hackaday.com/2023/02/17/giant-3d-printed-excavator-is-awesome-but-needs-work/ | Giant 3D Printed Excavator Is Awesome, But Needs Work | Lewin Day | [
"3d Printer hacks"
] | [
"3d printed",
"3d printer",
"digger",
"excavator"
] | Many of us adored big construction machinery as children. Once we got past the cute, tiny age, it became uncool to gasp with shock and awe at diggers and bulldozers for some reason . [Ivan Miranda] still digs the big rigs, though,
and built himself a giant 3D printed excavator that looks like brilliant fun.
Why did Leg... | 13 | 6 | [
{
"comment_id": "6600594",
"author": "Dan",
"timestamp": "2023-02-17T21:11:39",
"content": "Having recently dug into RC excavators, gonna need a lot of counterweight to fill that bucket with any meaningful amount of anything. Sweet build though!!",
"parent_id": null,
"depth": 1,
"replies... | 1,760,372,393.665501 | ||
https://hackaday.com/2023/02/16/bbs-builder-is-a-framework-for-running-your-own-petscii-paradise/ | BBS Builder Is A Framework For Running Your Own PETSCII Paradise | Lewin Day | [
"Retrocomputing"
] | [
"bbs",
"bulletin board system",
"c64",
"commodore 64",
"commodore c64",
"petscii",
"retrocomputing"
] | The 80s and 90s were the glory days of the BBS. The plain old telephone system was responsible for bringing us connection to other digital beings, along with plenty of spuriously-obtained software and inappropriate ASCII art.
[Francesco Sblendorio] has created BBS Builder
to harken back to this great era, allowing peop... | 12 | 7 | [
{
"comment_id": "6600367",
"author": "moneyvikings.com (Jerry)",
"timestamp": "2023-02-17T06:26:45",
"content": "Ah the good ‘ol days of the Commodore 64 and the modem. Used to dial into all sorts of BBS’es with no idea what to expect. Landlines often cost by the minute. Long busy signals from other... | 1,760,372,393.79401 | ||
https://hackaday.com/2023/02/16/puya-py32-the-cheapest-flash-microcontroller-you-can-buy-is-actually-an-arm-cortex-m0/ | Puya PY32: The Cheapest Flash Microcontroller You Can Buy Is Actually An ARM Cortex-M0+ | Maya Posch | [
"Microcontrollers"
] | [
"Puya",
"PY32"
] | There’s a bit of a contest going on when it comes to which is the cheapest microcontroller, yet most of the really cheap ones have one big trade-off in that they have one-time programmable (OTP) memory, generally requiring the use of an (expensive) device emulator during development. This raises the question of what th... | 26 | 11 | [
{
"comment_id": "6600305",
"author": "David P",
"timestamp": "2023-02-17T00:23:58",
"content": "I disagree with the claim this directly complicates the RISC-V narrative though, as RISC-V doesn’t compete directly against all the different architecture families that ARM offers. M0+ in particular is hy... | 1,760,372,393.852652 | ||
https://hackaday.com/2023/02/16/decoding-433-mhz-signals-with-arduino-raspberry-pi/ | Decoding 433 MHz Signals With Arduino & Raspberry Pi | Lewin Day | [
"Misc Hacks"
] | [
"433 mhz",
"oscilloscope",
"smart plug"
] | 433 MHz radio signals are all around us. They’re used for things like smart power plugs, garage door openers, and home weather stations. Decoding these signals can allow you to interface and work with these devices on your own terms. To help in those efforts, [Joonas Pihlajamaa] has written
a three-part tutorial on dec... | 13 | 5 | [
{
"comment_id": "6600254",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-02-16T21:08:22",
"content": "An Arduino, a Pi Pico, a Raspi 4, a Picoscope, a radio receiver module, and a Nexa radio-controlled smart plug as signal source. In addition to a computer with Audacity.But th... | 1,760,372,393.904748 | ||
https://hackaday.com/2023/02/16/the-mouster-adapter-now-has-amiga-scroll-support/ | The MouSTer Adapter Now Has Amiga Scroll Support | Lewin Day | [
"Retrocomputing"
] | [
"amiga",
"atari",
"mouse",
"mouster",
"retrocomputer",
"retrocomputing",
"usb hid",
"usb mouse"
] | The MouSTer is a device that enables modern USB HID mice to be used on various retro computers. The project has been through its ups and downs over years, but [drygol] is here to say one thing: rumors of the MouSTers demise have been greatly exaggerated.
Now, the project is back and better than ever!
The team has been ... | 6 | 5 | [
{
"comment_id": "6600236",
"author": "Adam Klein",
"timestamp": "2023-02-16T20:25:50",
"content": "Are you sad?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6600239",
"author": "sgall17a",
"timestamp": "2023-02-16T20:28:10",
"content": "There is ... | 1,760,372,393.945661 | ||
https://hackaday.com/2023/02/16/retro-gadgets-nintendo-r-o-b-wanted-to-be-your-friend/ | Retro Gadgets: Nintendo R.O.B Wanted To Be Your Friend | Al Williams | [
"Games",
"Hackaday Columns",
"Robots Hacks",
"Slider"
] | [
"nintendo",
"r.o.b",
"robot"
] | Too busy playing video games to have a social life? No worries. In 1985, Nintendo introduced R.O.B. — otherwise known as the Robotic Operating Buddy. It was made to play Nintendo with you. In Japan, apparently, it was the Family Computer Robot. We suppose ROB isn’t a very Japanese name. The robot was in response to the... | 20 | 12 | [
{
"comment_id": "6600195",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-02-16T18:14:47",
"content": "“Like man light pen devices”Like lighten devicesFTFY",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6600224",
"author": "The C... | 1,760,372,394.008291 | ||
https://hackaday.com/2023/02/16/machine-learning-baby-monitor-part-2-learning-sleep-patterns/ | Machine Learning Baby Monitor, Part 2: Learning Sleep Patterns | Dan Maloney | [
"home hacks",
"Machine Learning"
] | [
"facial posture",
"infant",
"machine learning",
"MediaPipe",
"motion detection",
"sleep"
] | The first lesson a new parent learns is that the second you think you’ve finally figured out your kid’s patterns — sleeping, eating, pooping, crying endlessly in the middle of the night for no apparent reason, whatever — the kid will change it. It’s the Uncertainty Principle of kids — the mere act of observing the patt... | 12 | 5 | [
{
"comment_id": "6600172",
"author": "AAMACO",
"timestamp": "2023-02-16T16:40:16",
"content": "> “This worked great right up until the baby suddenly started sleeping on his side”That’s the tough part about learning anything about your child in the first year: in two weeks it’ll likely change.",
... | 1,760,372,394.584567 | ||
https://hackaday.com/2023/02/16/drilling-glass-with-femtosecond-lasers-just-got-even-better/ | Drilling Glass With Femtosecond Lasers Just Got Even Better | Lewin Day | [
"Featured",
"Interest",
"Laser Hacks",
"Original Art",
"Slider"
] | [
"femtosecond laser",
"fused silica",
"glass",
"laser",
"micromachining",
"sodalime"
] | Glass! It’s a finicky thing. Strong as hell, yet chip it and glance at it the wrong way, and you’re left with a bunch of sharp rubbish. It’s at once adored for its clarity and smoothness, and decried for how temperamental it can be in the case of shock, whether mechanical, thermal, or otherwise.
If you’ve ever tried to... | 48 | 18 | [
{
"comment_id": "6600143",
"author": "redfast00 - @j@zeus.gent (@redfast00)",
"timestamp": "2023-02-16T15:16:51",
"content": "“If you’re unfamiliar with a femtosecond, it’s 1 x 10^15 seconds”: I think a minus sign got dropped, this should be 1 x 10^-15 seconds, no?",
"parent_id": null,
"dept... | 1,760,372,395.040128 | ||
https://hackaday.com/2023/02/16/decoding-compact-disc-audio-from-scratch/ | Decoding Compact Disc Audio From Scratch | Lewin Day | [
"Misc Hacks"
] | [
"audio cd",
"cd",
"Compact Disc",
"red book",
"red book audio cd",
"redbook"
] | In the rare case we listen to an audio CD these days, we typically rely on off-the-shelf hardware to decode the 1s and 0s into the dulcet tones of Weird Al Yankovic for our listening pleasure. [Lukas], however, was recently inspired
to try decoding the pits and lands of a CD into audio for himself
.
A fair bit goes int... | 36 | 11 | [
{
"comment_id": "6600075",
"author": "Michael Black",
"timestamp": "2023-02-16T12:14:00",
"content": "I just bought a set of the first five Lovin Spoonful albums. And a set of thefirst five (Young) Rascal albums. Fortydollars total, came from the UK.So I may not be listening to much music, but I st... | 1,760,372,395.486814 | ||
https://hackaday.com/2023/02/16/arcaos-os-2-updated-for-the-modern-world/ | ArcaOS: OS/2 Updated For The Modern World | Maya Posch | [
"Retrocomputing"
] | [
"ArcaOS",
"os/2"
] | For a certain subset of our readers, mentioning IBM’s OS/2 is likely to bring forth a pang of nostalgia, while for others it’s more likely to bring to mind meme images of rebooting ATM displays. Although OS/2 didn’t become the desktop giant that IBM had intended it to become, reports of its demise are very much prematu... | 38 | 19 | [
{
"comment_id": "6600064",
"author": "Stefan",
"timestamp": "2023-02-16T11:45:47",
"content": "I spent a few minutes thinking about it and then I was reminded of this:https://twitter.com/mjdtweets/status/1621268945876537345",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"com... | 1,760,372,395.26982 | ||
https://hackaday.com/2023/02/15/breadboarding-a-game-boy-from-scratch/ | Breadboarding A Game Boy From Scratch | Lewin Day | [
"Nintendo Game Boy Hacks",
"Nintendo Hacks"
] | [
"game boy",
"nintendo",
"Nintendo Game Boy",
"Teensy",
"Teensy 4.1"
] | The original Nintendo Game Boy is a stout piece of hardware in a solid plastic enclosure. [Raphael Stäbler] recreated the popular handheld on a breadboard instead,
in a fully-functional way, to boot.
[Raphael]’s build doesn’t rely on a real Game Boy CPU or components. Instead it’s emulated with the aid of a Teensy 4.1 ... | 17 | 4 | [
{
"comment_id": "6599982",
"author": "Bastet",
"timestamp": "2023-02-16T07:10:11",
"content": "Cool, but Teensy 4.1? Why?Couldn’t have chosen a more expensive platform.(Yes, i know there are more expensive platforms out there you nitpickers, it’s a figure of speech)",
"parent_id": null,
"dep... | 1,760,372,394.479674 | ||
https://hackaday.com/2023/02/15/hobnobbing-with-the-knob/ | Hobnobbing With The Knob | Al Williams | [
"Microcontrollers",
"Peripherals Hacks"
] | [
"HID keyboard",
"knob",
"usb"
] | The scroll wheel might be the best thing that happened to the computer mouse since, well, the computer mouse. But sometimes you want something a little more tangible. For example, with a software-defined radio setup, it doesn’t feel right to scroll your mouse to change frequencies. That’s where
[Wagiminator]’ USB knob ... | 23 | 9 | [
{
"comment_id": "6599916",
"author": "Jon H",
"timestamp": "2023-02-16T03:20:51",
"content": "A fun project might be to build one of these with a gear train and multiple knobs, with each knob turning the encoder at a different rate.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,395.405146 | ||
https://hackaday.com/2023/02/15/realistic-animatronic-eyes-are-an-easy-diy-build/ | Realistic Animatronic Eyes Are An Easy DIY Build | Lewin Day | [
"Holiday Hacks"
] | [
"animatronic",
"animatronic eyes",
"animatronics",
"eyes",
"halloween",
"holiday hacks"
] | It’s not Halloween yet, but if you’re planning a technically-complicated costume, it might serve you well to start building now. To that end, here’s a guide from [Ikkalebob] on how to produce
a compact animatronic eye mechanism.
The eye is inspired by mechanisms used in professional animatronics. However, that doesn’t ... | 12 | 7 | [
{
"comment_id": "6599873",
"author": "Mr 02127",
"timestamp": "2023-02-16T01:23:46",
"content": "Glad they are still around. Found his videos about 6 months ago and saw he hadn’t posted in almost 2 years.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6599880"... | 1,760,372,394.530109 | ||
https://hackaday.com/2023/02/15/virgin-orbit-first-launch-attempt-what-went-wrong/ | Virgin Orbit’s First UK Launch Attempt: What Went Wrong | Jenny List | [
"News",
"Space"
] | [
"Boeing 747",
"satellite launch",
"Virgin Orbit"
] | A month ago there was disappointment as Virgin Orbit’s first attempt at a space launch from the United Kingdom using its converted Boeing 747 airliner platform failed to achieve orbit. Now with the benefit of a lot of telemetry analysis the company
have released their findings
, which conclude that a fuel filter within... | 13 | 6 | [
{
"comment_id": "6599851",
"author": "rclark",
"timestamp": "2023-02-16T00:47:05",
"content": "“conclude that a fuel filter within the second stage became dislodged.” …It is actually quite amazing that we can ‘reliably’ put anything in orbit. Just one failed part of flight hardware can doom an at... | 1,760,372,395.583954 | ||
https://hackaday.com/2023/02/15/smart-contact-lenses-tell-you-where-to-go/ | Smart Contact Lenses Tell You Where To Go | Navarre Bartz | [
"Software Hacks",
"Virtual Reality"
] | [
"augmented reality",
"bionic eye",
"contact lens",
"electrochromic",
"eyes",
"optics",
"Prussian Blue"
] | Augmented Reality (AR) promises to relieve us from from the boredom of mundane reality and can also help you navigate unfamiliar environments. Current AR tech leaves something to be desired, but researchers at the Korea Electrotechnology Research Institute have brought
AR contact lenses closer to actual reality.
The re... | 26 | 11 | [
{
"comment_id": "6599477",
"author": "Ale",
"timestamp": "2023-02-15T19:45:40",
"content": "In German, Prussian Blue is called Berlin blue.Soon do we get the contact lenses used by Torchwood members? awesome !",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,372,394.812248 | ||
https://hackaday.com/2023/02/14/too-cool-for-8-bit-retro-try-1-bit-gaming/ | Too Cool For 8-bit Retro? Try 1-bit Gaming | Al Williams | [
"Retrocomputing"
] | [
"MC14500",
"one-bit"
] | While the world has been racing for higher and higher bit counts for CPUs, there are always those that buck the trend. Consider the venerable Motorola MC14500B, a 1-bit CPU, no kidding. [Usagi Electric] built up a computer based on one of these chips using a breadboard but has since pulled it apart to use the breadboar... | 5 | 4 | [
{
"comment_id": "6599256",
"author": "Ostracus",
"timestamp": "2023-02-15T01:39:37",
"content": "Handy to go with one’s 1-bit DACs.https://www.stereophile.com/content/pdm-pwm-delta-sigma-1-bit-dacs",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6599259",
... | 1,760,372,394.640693 | ||
https://hackaday.com/2023/02/14/5-axis-printer-wants-to-design-itself/ | 5-Axis Printer Wants To Design Itself | Navarre Bartz | [
"3d Printer hacks"
] | [
"3d printer",
"3d printing",
"5-Axis",
"duet controller",
"Duex",
"generative design",
"genetic algorithm",
"parametric",
"reprap",
"slicer",
"slicing"
] | RepRap 3D printers were designed with the ultimate goal of self-replicating machines. The
generatively-designed Gen5X printer
by [Ric Real] brings the design step of that process closer to reality.
While 5-axis printing is old hat in CNC land, it remains relatively rare in the world of additive manufacturing. Starting ... | 41 | 9 | [
{
"comment_id": "6599219",
"author": "Nikolai",
"timestamp": "2023-02-14T21:03:59",
"content": "Remind me the “The Necessary Thing” by Robert Sheckley",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6599220",
"author": "Nikolai",
"timestamp": ... | 1,760,372,395.136356 | ||
https://hackaday.com/2023/02/14/how-home-made-robot-arms-used-to-be-made/ | How Home Made Robot Arms Used To Be Made | Jenny List | [
"Robots Hacks"
] | [
"optocoupler",
"parallel port",
"robot arm"
] | With laser cutters and 3D printers in our arsenal as well as the global toy shop of mass-produced parts and single-board computers, building a robotic project has almost never been easier. In times past though, there was more of a challenge, with a computer likely meaning a chunky desktop model and there being no pleth... | 10 | 7 | [
{
"comment_id": "6599213",
"author": "Michael Black",
"timestamp": "2023-02-14T20:15:30",
"content": "Byte in the early days would provide background. So articles about how speech us made in the body, or background about barcodes. The notion of robots was “hot” from fairly early on. So there wer... | 1,760,372,395.18583 | ||
https://hackaday.com/2023/02/14/supercon-2022-matt-venns-tiny-tapeout-brings-chip-design-to-the-masses/ | Supercon 2022: Matt Venn’s Tiny Tapeout Brings Chip Design To The Masses | Robin Kearey | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2022 Superconference",
"ASIC",
"custom chip",
"Matt Venn"
] | Not that long ago, rolling your own printed circuit boards was difficult, time-consuming and expensive. But thanks to an army of cheap, online manufacturing services as well as high-quality free design software, any hobbyist can now make boards to rival those made by pros. A similar shift might be underway when it come... | 23 | 8 | [
{
"comment_id": "6599184",
"author": "Przemek",
"timestamp": "2023-02-14T18:15:33",
"content": "The max clock is 25kHzhttps://github.com/TinyTapeout/tinytapeout-02/raw/tt02/datasheet.pdfI was wondering why so low and the reason is the whole chip is linked into a long scan chain that links all the 50... | 1,760,372,395.345551 | ||
https://hackaday.com/2023/02/14/parametric-press-unravels-the-jpeg-format/ | Parametric PressUnravels The JPEG Format | Dave Rowntree | [
"Software Hacks"
] | [
"chroma",
"discrete cosine transform",
"encoding",
"huffman coding",
"image",
"JPEG",
"luminance",
"run length encoding",
"YCbCr"
] | This is the first we’ve heard of
Parametric Press
— a digital magazine with some deep dives into a variety of subjects (such as particle physics, “big data” and such) that have interactive elements or simulations of various types embedded within each story.
The first one that sprung up in our news feed is a piece by [O... | 5 | 2 | [
{
"comment_id": "6599169",
"author": "IIVQ",
"timestamp": "2023-02-14T17:27:37",
"content": "Wow, those live editors are cool. It feels like playing with an old-school synth, but with images. And having no clue what I just did.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,395.53705 | ||
https://hackaday.com/2023/02/14/all-about-usb-c-talking-low-level-pd/ | All About USB-C: Talking Low-Level PD | Arya Voronova | [
"Featured",
"Interest",
"Skills",
"Slider"
] | [
"Type-C",
"USB C",
"USB Type-C",
"USB-C PD"
] | In this USB-C series, we’ve covered quite a bit of USB-C – things that are well known, things that should be better known, and a couple things that just appeared online for the first time. We’ve covered almost everything in some depth except USB Power Delivery. I’ve described the process a bit
in the “Power” article
,... | 25 | 9 | [
{
"comment_id": "6599153",
"author": "WF",
"timestamp": "2023-02-14T16:28:45",
"content": "If you want a pretty print-out of PD messages, use the PD decoder in sigrok/Pulseview.It is going to look somewhat like this:https://community.element14.com/technologies/power-management/b/blog/posts/usb-pd—cc... | 1,760,372,395.673338 | ||
https://hackaday.com/2023/02/14/citizen-science-finds-prehistoric-burial-mounds/ | Citizen Science Finds Prehistoric Burial Mounds | Al Williams | [
"News",
"Science"
] | [
"citizen science",
"lidar",
"zooniverse"
] | What do you do when you have a lot of LiDAR data and not enough budget to slog through it? That’s the problem the Heritage Quest project was faced with — they had 600,000 LiDAR maps in the Netherlands and wanted to find burial mounds using the data. By
harnessing 6,500 citizen scientists
, they were able to analyze the... | 13 | 4 | [
{
"comment_id": "6599137",
"author": "Dan (No, the OTHER one)",
"timestamp": "2023-02-14T15:38:20",
"content": "I once used zooniverse, and while the model of citizen scientists do something is interesting, the work is often a bit menial, especially once you reach the hundreds in analyzed datasets. ... | 1,760,372,397.295122 | ||
https://hackaday.com/2023/02/15/mxenes-make-faraday-cages-you-can-turn-on-and-off/ | MXenes Make Faraday Cages You Can Turn On And Off | Lewin Day | [
"Hackaday Columns",
"Science",
"Slider"
] | [
"faraday",
"faraday cage",
"faraday shield",
"mxene"
] | Shielding is crucial for all manner of electronic devices. Whether you want to keep power supply noise out of an audio amplifier, or protect ICBMs against an electromagnetic pulse from a nuclear attack, the basic physics behind shielding remains the same. A Faraday cage or shield will do the trick.
At times, though, it... | 13 | 4 | [
{
"comment_id": "6599456",
"author": "Col. Panek",
"timestamp": "2023-02-15T18:56:14",
"content": "Switchable shielding is nice, but it sounds like you could also make all kinds of tunable stuff, like filters and antennas.",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,372,397.614956 | ||
https://hackaday.com/2023/02/15/ploopy-builds-open-source-rp2040-powered-headphones-and-you-can-too/ | Ploopy Builds Open Source RP2040-Powered Headphones And You Can Too! | Dave Rowntree | [
"digital audio hacks",
"Microcontrollers",
"Wearable Hacks"
] | [
"3d printed",
"audio",
"dsp",
"eq",
"headphone",
"PCM3050",
"raspberry pi",
"rp2040"
] | We’ve seen many DIY headphones projects on these fair pages over the years, but not many that are quite as DIY as the
Ploopy Headphones
. What makes this project interesting is the sheer depth of the construction, with every single part being made from what we might call base materials. Materials such as 3D printer fil... | 16 | 5 | [
{
"comment_id": "6599442",
"author": "fiddlingjunky",
"timestamp": "2023-02-15T18:29:56",
"content": "I glanced through their wiki and it looks like the diaphragm is foam. Is this normal? Am I completely misunderstanding how these work? I have to admit I don’t have a very deep understanding of how s... | 1,760,372,397.55367 | ||
https://hackaday.com/2023/02/15/how-to-build-jennys-budget-mixing-desk/ | How To Build Jenny’s Budget Mixing Desk | Jonathan Bennett | [
"Arduino Hacks",
"computer hacks",
"digital audio hacks",
"Featured",
"Interest",
"Musical Hacks",
"Slider"
] | [
"Ardour",
"arduino",
"mixer",
"Pipewire"
] | Jenny did an
Ask Hackaday article earlier this month
, all about the quest for a cheap computer-based audio mixer. The first attempt didn’t go so well, with a problem that many of us are familiar with: Linux applications really doesn’t like using multiple audio devices at the same time. Jenny ran into this issue, and d... | 35 | 12 | [
{
"comment_id": "6599371",
"author": "Steve Spence",
"timestamp": "2023-02-15T15:19:08",
"content": "100 ohms between VCC and Ground? That’s a constant 250mw load. Why not a 10k pot?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6599374",
"author": ... | 1,760,372,397.758997 | ||
https://hackaday.com/2023/02/15/whats-old-is-new-again-a-linux-pc-from-a-set-top-box/ | What’s Old Is New Again: A Linux PC From A Set Top Box | Jenny List | [
"home entertainment hacks",
"Linux Hacks"
] | [
"Android TV",
"linux",
"set top box"
] | There was a time around two decades ago, when the new hotness was taking control of home routers to use as small Linux computers. An echo of this era lives on in the name of the OpenWrt minimal Linux distribution, in reference to the Linksys WRT54G router which started it all. Routers as small computers were displaced ... | 37 | 14 | [
{
"comment_id": "6599331",
"author": "willmore",
"timestamp": "2023-02-15T12:30:06",
"content": "Small correction. It’s an XFCE desktop.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6599336",
"author": "The Commenter Formerly Known As Ren",
... | 1,760,372,397.495113 | ||
https://hackaday.com/2023/02/15/curve-tracer-design-for-power-vacuum-tubes-testing/ | Curve Tracer Design For Power Vacuum Tubes Testing | Maya Posch | [
"Tool Hacks"
] | [
"curve tracer",
"vacuum tube",
"valves"
] | Regardless of the mythical qualities that are all too often attributed to vacuum tubes, they are still components that can be damaged and wear out over time. Much like with transistors and kin, they come with a stack of datasheets, containing various curves detailing their properties and performance. These curves will ... | 9 | 2 | [
{
"comment_id": "6599311",
"author": "Bret Tschacher",
"timestamp": "2023-02-15T09:39:23",
"content": "When I was in school for electronics back in 79/80 tubes were still everywhere and I worked a lot with them, solid state was still gaining ground. I’m fascinated at how much tubes are gaining again... | 1,760,372,397.809935 | ||
https://hackaday.com/2023/02/14/sol-20-integrated-computer-teardown/ | Sol-20 Integrated Computer Teardown | Al Williams | [
"Retrocomputing",
"Teardown"
] | [
"all-in-one computer",
"computer",
"Sol-20"
] | [Action Retro] came into an antique Sol-20 computer and argues that it was the first totally integrated computer aimed at consumers that didn’t require you to buy or build some kind of terminal. These are fairly rare, so we appreciated
the peek inside
that you can see in the video below.
Sure, the Sol-20 wasn’t the ver... | 19 | 9 | [
{
"comment_id": "6599299",
"author": "John W Peterson",
"timestamp": "2023-02-15T06:38:07",
"content": "Assembled one of these from a kit back in the day. I was envious of S-100 machines that had blinkenlights, so I rigged mine up with LEDs for most of the bus signals. I cut some notches in the fron... | 1,760,372,397.675646 | ||
https://hackaday.com/2023/02/14/openspice-a-portable-python-circuit-simulator/ | OpenSPICE: A Portable Python Circuit Simulator | Dave Rowntree | [
"Tool Hacks"
] | [
"LTSpice",
"mathplotlib",
"ngpsice",
"numpy",
"pyspice",
"python",
"scipy",
"simulator",
"SPICE",
"xyce"
] | [Roman Parise] and [Georgios Is. Detorakis] have created
OpenSPICE
a fork of the PySpice project, adding a new simulation engine written entirely in Python. This enables the same PySpice simulations to be executed on any platform that runs python (which we reckon is quite a few!) whilst leveraging the full power of the... | 22 | 10 | [
{
"comment_id": "6599310",
"author": "Hans",
"timestamp": "2023-02-15T08:59:19",
"content": "For those readers who want to see the actual OpenSPICE code:https://github.com/thejackal360/OpenSPICE/tree/master/PySpice/Spice/OpenSPICEWell -> for me <- the main features of a transient circuit simulator a... | 1,760,372,397.878115 | ||
https://hackaday.com/2023/02/17/like-chording-but-not/ | Like Chording But Not | Dave Rowntree | [
"Peripherals Hacks"
] | [
"chording",
"keeb",
"keyboard",
"sequence"
] | Repetitive strain injuries (RSI) can be a real pain. You’ve got a shiny new laptop, and everything’s going smoothly, but suddenly you can’t use it without agonizing (as in typing-speed reducing) pain caused by years of keyboard bashing or just plain bad posture. All of us hacker types will likely have or will experienc... | 3 | 2 | [
{
"comment_id": "6600657",
"author": "Miles",
"timestamp": "2023-02-18T03:44:40",
"content": "It’s one way to go, the old 8-way control stick and 4 modifier buttons gets you a lot farther one handed. 4×8 in fact 32 (plus you can use the stick to navigate). The home row is the most used letters with... | 1,760,372,397.194573 | ||
https://hackaday.com/2023/02/17/hackaday-podcast-206-busted-crypto-killed-the-queen-kicads-new-clothes-peer-inside-the-sol-20/ | Hackaday Podcast 206: Busted Crypto Killed The Queen, Kicad’s New Clothes, Peer Inside The Sol 20 | Dan Maloney | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Under the weather though they both were, Editor-in-Chief Elliot Williams and Staff Writer Dan Maloney got together to take a look under the covers of this week’s best and brightest hacks. It was a banner week, with a look at the changes that KiCad has in store, teaching a CNN how to play “Rock, Paper, Scissors,” and go... | 1 | 1 | [
{
"comment_id": "6600651",
"author": "Flux-Sucking Shunt",
"timestamp": "2023-02-18T02:38:24",
"content": "Gaaah! So close!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,397.238699 | ||
https://hackaday.com/2023/02/17/esp32-web-updater-allows-file-system-management-and-ota-updates/ | ESP32 Web Updater Allows File System Management And OTA Updates | Lewin Day | [
"Microcontrollers",
"Software Development"
] | [
"ESP32",
"OTA",
"ota update",
"ota updates",
"SPIFFS"
] | Earlier versions of the Arduino IDE made uploading files to an ESP32’s SPIFFS filesystem easy via the ESP32FS plugin. Sadly, that’s no longer possible under the rewritten Arduino 2.0 IDE. Thankfully, [myhomethings] has stepped up to solve the problem
with a new tool that also adds some new functionality
.
The tool in q... | 10 | 6 | [
{
"comment_id": "6600545",
"author": "Todd",
"timestamp": "2023-02-17T16:59:30",
"content": "“Simply dialing into the ESP32’s IP address will grant one access to the interface.” I kept reading this like it only allowed a single access to the interface and could not understand why one would do such ... | 1,760,372,397.932344 | ||
https://hackaday.com/2023/02/17/this-week-in-security-usb-cable-kia-reddit-and-microsoft-rces/ | This Week In Security: USB Cable Kia, Reddit, And Microsoft RCEs | Jonathan Bennett | [
"Hackaday Columns",
"News"
] | [
"RCE",
"reddit",
"This Week in Security"
] | There is vulnerability in many Hyundai and Kia vehicles, where the ignition switch can be bypassed with a USB cable. And
it’s getting a patch rollout right now
, but it’s not a USB vulnerability, in quite the way you might think. In most cars, the steering column is easily disassembled, but these vehicles have an extra... | 14 | 4 | [
{
"comment_id": "6600528",
"author": "MartyK",
"timestamp": "2023-02-17T16:18:00",
"content": "We’ve been considering a Hyundai or Kia as a second car. I knew Korean cars were cheap, but this is a deal-breaker. Thanks Jonathan.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,398.117268 | ||
https://hackaday.com/2023/02/17/3d-printing-with-rice-might-be-nice/ | 3D Printing With Rice Might Be Nice | Al Williams | [
"3d Printer hacks",
"chemistry hacks"
] | [
"bioplastic",
"biopolymer"
] | The United Nations Industrial Development Organization recently pointed out a possible replacement for petrochemical-based polymers:
rice resin
. A Japanese company makes the material from inedible rice and also makes a biodegradable polymer known as Neoryza, which seems to contain some amount of rice as well. The rice... | 36 | 13 | [
{
"comment_id": "6600456",
"author": "cliff claven",
"timestamp": "2023-02-17T12:24:20",
"content": "It looks promising, but I am leery of the ‘produced from waste should make it cheap’ claims. I’ve heard them before, and seen the result, going back centuries. Find a use for today’s waste, and it i... | 1,760,372,398.016454 | ||
https://hackaday.com/2023/02/17/running-the-xbox-series-s-on-a-usb-powerbank/ | Running The Xbox Series S On A USB Powerbank | Lewin Day | [
"Xbox Hacks"
] | [
"portable xbox",
"power delivery",
"USB C",
"usb c power delivery",
"USB Power Delivery",
"xbox",
"xbox portable"
] | Home consoles were never intended to be made portable, though enterprising hackers have always pushed the boundaries with various tricks and innovative builds. [Robotanv] hasn’t built a fully handheld Xbox Series S, but he
has
demonstrated one neat trick:
making one run on a USB powerbank.
The project starts with an An... | 9 | 3 | [
{
"comment_id": "6600448",
"author": "Dan",
"timestamp": "2023-02-17T11:59:26",
"content": "That’s very impressive! I wonder if it’d be simpler to use something which delivers 12v directly like power tool batteries? But very impressive.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,398.173415 | ||
https://hackaday.com/2023/02/16/mit-spins-qubits-round-and-round/ | MIT Spins Qubits Round And Round | Al Williams | [
"Science"
] | [
"mit",
"quantum computing",
"qubit"
] | Quantum computers are coming, but there are still many problems with realizing practical machines. One is finding a reliable and affordable way to encode qubits — the basic unit for quantum computers. MIT researchers have a proposal. By using two slightly different colored lasers, they can
manipulate nuclear spin
. Thi... | 2 | 2 | [
{
"comment_id": "6600381",
"author": "Ostracus",
"timestamp": "2023-02-17T07:23:40",
"content": "No second law of entanglement may complicate things.https://scitechdaily.com/scientists-prove-that-there-is-no-second-law-of-entanglement/",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,372,398.395046 | ||
https://hackaday.com/2023/02/13/methane-pyrolysis-producing-green-hydrogen-without-carbon-emissions/ | Methane Pyrolysis: Producing Green Hydrogen Without Carbon Emissions | Maya Posch | [
"Current Events",
"Engineering",
"Featured",
"green hacks",
"Original Art",
"Slider"
] | [
"hydrogen",
"hydrogen production",
"methane",
"methane pyrolysis"
] | Generally, when we talk about the production of hydrogen, the discussion is about either electrolysis of water into oxygen and hydrogen, or steam methane reforming (SMR). Although electrolysis is often mentioned – as it can create hydrogen using nothing but water and electricity – SMR is by far the most common source o... | 52 | 14 | [
{
"comment_id": "6598807",
"author": "jobsen",
"timestamp": "2023-02-13T15:39:22",
"content": "Since you then do not release and use the energie stored in the Carbon , you must consider this as energieloss ,in that way it seems to me ,to be even less efficient than electrolysis.But if you have a sur... | 1,760,372,398.357451 | ||
https://hackaday.com/2023/02/13/making-the-airpods-pro-case-repairable/ | Making The AirPods Pro Case Repairable | Navarre Bartz | [
"digital audio hacks",
"Repair Hacks"
] | [
"AirPod",
"Airpods",
"AirPods Pro",
"apple",
"Apple repair",
"audio",
"bluetooth",
"repair"
] | Apple is often lauded for its design chops, but function is often sacrificed at the altar of form, particularly when repair is involved. [Ken Pillonel] has made it easier for everyone to
replace the batteries or lightning port
in the AirPods Pro case. (YouTube)
With such notable hacks as
adding USB C to the iPhone
alre... | 8 | 4 | [
{
"comment_id": "6598754",
"author": "Cameron J",
"timestamp": "2023-02-13T12:54:18",
"content": "Typo in the last sentence: “We sure the miss the days of”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6598901",
"author": "Navarre Bartz",
"... | 1,760,372,398.218014 | ||
https://hackaday.com/2023/02/13/high-contrast-images-for-hacker-family-harmonics/ | High-Contrast Images For Hacker Family Harmonics | Arya Voronova | [
"Toy Hacks"
] | [
"baby",
"Child",
"high contrast"
] | There’s a new addition to the Adafruit family, and it’s not a microcontroller board as you’d expect – however, we will still find plenty to learn from. On the Adafruit blog, [Phillip Torrone] shares
a set of high-contrast images
with us; the idea for such images is that they’re more appealing for a child during the fir... | 12 | 9 | [
{
"comment_id": "6598712",
"author": "anonymous",
"timestamp": "2023-02-13T09:43:36",
"content": "yay, lets advertise to our kids with learning tools, what next coca-cola nursery rhymes. /j",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6598719",
"author":... | 1,760,372,398.442857 | ||
https://hackaday.com/2023/02/12/ghostscad-marrying-openscad-and-golang/ | GhostSCAD: Marrying OpenSCAD And Golang | Dave Rowntree | [
"Software Hacks"
] | [
"3d modeling",
"golang",
"openscad"
] | It’s been at least a couple of months since we’ve seen a different 3D modeling language project, so here’s [Lukasz Janyst] with
GhostSCAD: a take on creating OpenSCAD models
, using the Go language as the front end, bringing all the delights this modern modular language has to offer (and a few of its own idiosyncrasies... | 18 | 4 | [
{
"comment_id": "6598679",
"author": "shinsukke",
"timestamp": "2023-02-13T07:31:33",
"content": "As a hobbyist, does OpenSCAD make sense for me? I occasionally use FreeCAD to make simple parts and get them PLA 3D printed. I can program and have superficially played around with OpenSCAD but I’m more... | 1,760,372,398.507017 | ||
https://hackaday.com/2023/02/12/this-crt-style-pi-portable-gets-all-the-details-right/ | This CRT-Style Pi Portable Gets All The Details Right | Tom Nardi | [
"Raspberry Pi"
] | [
"3D printed enclosure",
"crt",
"front panel",
"raspberry pi",
"retro"
] | A quick glance at the
“Pi Terminal” built by [Salim Benbouziyane]
, and you might think he pulled an old CRT monitor out of a video editing bay and gutted it. Which, of course, is the point. But what you’re actually looking at is a completely new construction, featuring a fully 3D printed enclosure, a clever PCB contro... | 12 | 3 | [
{
"comment_id": "6598621",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-02-13T03:32:49",
"content": "And it plays DOOM!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6598684",
"author": "Joshua",
"timestamp": "2023-02-... | 1,760,372,398.685251 | ||
https://hackaday.com/2023/02/12/hackaday-links-february-12-2023/ | Hackaday Links: February 12, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"AIM-9X",
"balloon",
"carpal",
"ChatGPT",
"cyborg",
"hackaday links",
"hand",
"infinity",
"machining",
"metacarpal",
"military aviation",
"phalanges",
"r/counting",
"radio",
"reddit",
"shootdown",
"sidewinder",
"sla",
"terminator",
"token"
] | So, maybe right now isn’t the best time to get into the high-altitude ballooning hobby? At least in the US, which with
the downing of another — whatever? — over Alaska
, seems to have taken a “Sidewinders first, threat identification later” approach to anything that floats by. The latest incident involved an aircraft o... | 24 | 10 | [
{
"comment_id": "6598565",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-02-13T00:13:39",
"content": "Yep, the AI builders of T800 are scraping their build designs from the web, before they nuke everything.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,398.754556 | ||
https://hackaday.com/2023/02/12/challenging-a-broken-dualshock-4-controller-to-a-duel/ | Challenging A Broken DualShock 4 Controller To A Duel | Arya Voronova | [
"Repair Hacks",
"Reverse Engineering"
] | [
"DualShock",
"Dualshock4",
"playstation"
] | A broken PlayStation controller would normally be a bummer, and if the issue is losing calibration that’s stored in a non-documented format, you might as well bin it. For [Al] of [Al’s blog], however, it’s a challenge, turning into a four-part story – so far.
The first installment
was published January 1st this year, a... | 2 | 1 | [
{
"comment_id": "6598554",
"author": "Nowhere",
"timestamp": "2023-02-12T23:30:07",
"content": "Those scripts were reverse engineered. They’re not Sony internal tools. The DMCA takedown was because the repo had dumps of the firmware.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,398.792122 | ||
https://hackaday.com/2023/02/12/rcas-clear-plastic-tv-wowed-crowds-in-1939/ | RCA’s Clear Plastic TV Wowed Crowds In 1939 | Donald Papp | [
"Retrocomputing",
"Video Hacks"
] | [
"acrylic",
"PMMA",
"RCA",
"Retrotechtacluar",
"television",
"vintage"
] | In the United States in 1939, television sets still had a long way to go before they pretty much sold themselves. Efforts to do just that are what led to
RCA’s Lucite Phantom Telereceiver
, which aimed to show people a new way to receive broadcast media.
Created for the 1939 World’s Fair, the TRK-12 Lucite Phantom Tele... | 25 | 11 | [
{
"comment_id": "6598434",
"author": "Comedicles",
"timestamp": "2023-02-12T18:15:11",
"content": "Definitely resembles an Interociter!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6598440",
"author": "Jan",
"timestamp": "2023-02-12T18:30:04",
"c... | 1,760,372,398.859087 | ||
https://hackaday.com/2023/02/12/deciphering-queen-of-scots-mary-stuarts-lost-letters/ | Deciphering Queen Of Scots, Mary Stuart’s Lost Letters | Maya Posch | [
"News"
] | [
"cryptography",
"decryption",
"history"
] | First part of the cypher used by Mary Stuart and Castelnau, showing the use of homophones, special characters and more. (Credit: Lasry et al., 2023)
Communications by important people over the past thousands of years have been regularly encrypted, making the breaking of this encryption both an essential and also a fasc... | 10 | 6 | [
{
"comment_id": "6598402",
"author": "metalman",
"timestamp": "2023-02-12T16:06:09",
"content": "these letters also had elaborate security locks in the formof a kind of oragami folded paper envelope that could not be opened and refolded,this was a oft used device of the times,and the recent find of ... | 1,760,372,398.917011 | ||
https://hackaday.com/2023/02/12/artnet-not-going-through-your-switch-might-be-protecting-you/ | ArtNet Not Going Through? Your Switch Might Be Protecting You | Arya Voronova | [
"Network Hacks"
] | [
"Art-Net",
"dos protection",
"l2 switch"
] | Cool technology often comes at a cost, and it’s not always that this cost is justified. For instance, [Rainfay] tells us about how the the ArtNet protocol’s odd design choices are
causing incompatibility
with certain Ethernet switches. ArtNet is a protocol for lighting control over DMX-512 – simply put, it allows you t... | 12 | 3 | [
{
"comment_id": "6598332",
"author": "Daniel Dunn",
"timestamp": "2023-02-12T13:16:23",
"content": "Does traffic actually need to follow that rule, or do manufacturers just ignore it? I’ve only used it with Arduino based implementations and never heard of it before, and it seems rather pointless.",... | 1,760,372,398.961989 | ||
https://hackaday.com/2023/02/12/dungeons-and-dragons-board-game-from-the-1980s-holds-a-tms1100/ | Dungeons And Dragons Board Game From The 1980s Holds A TMS1100 | Matthew Carlson | [
"Microcontrollers",
"Retrocomputing"
] | [
"board game",
"board games",
"dungeon crawler",
"Dungeons and Dragons",
"mattel",
"TMS1000"
] | Today is a little tour back to the early 1980s when Mattel released the DUNGEONS & DRAGONS Computer Labyrinth Game. [Cameron Kaiser] was dealing with a few boxes of old stuff when he came across the game. Luckily for us, he decided to
do a complete teardown and a comprehensive review
more than 40 years after it came ou... | 10 | 4 | [
{
"comment_id": "6598276",
"author": "Mark Schuurman",
"timestamp": "2023-02-12T10:06:17",
"content": "I remember the purely verbose version of this game. My brother was studying Informatics and let me play it on the computer of the University.In green characters every room and situation was descri... | 1,760,372,399.016606 | ||
https://hackaday.com/2023/02/11/a-look-back-at-the-xbox-360s-hard-drive-security/ | A Look Back At The Xbox 360’s Hard Drive Security | Tom Nardi | [
"Security Hacks",
"Xbox Hacks"
] | [
"console modding",
"hard drive",
"xbox",
"xbox 360"
] | Anyone who’s owned a game console from the last couple of generations will tell you that the machines are becoming increasingly like set-top computers — equipped with USB ports, Bluetooth, removable hard drives, and their own online software repositories. But while this overlap theoretically offers considerable bene... | 31 | 11 | [
{
"comment_id": "6598182",
"author": "Kaaaaaaaaaaaaaaaaang",
"timestamp": "2023-02-12T06:20:10",
"content": "Ahhhh, the good “old” days, I remember how I made my 360 to accept a WD1200BEVS. And that hard drive still works, people tried to justify the official hard drives price saying they were expen... | 1,760,372,399.09144 | ||
https://hackaday.com/2023/02/11/directing-ambient-light-for-some-extra-glow/ | Directing Ambient Light For Some Extra Glow | Dave Rowntree | [
"Art"
] | [
"acrylic",
"ambient",
"Diffusion",
"glow",
"lighting",
"pearlescent"
] | [Yuichiro Morimoto] wanted to create a decorative lamp, one that wasn’t burdened with batteries or wires, but used just the ambient light in the room to create a directed glow effect. Using a coloured circular acrylic sheet, with a special coating (not specified) ambient light impinging on the surface is diffused towar... | 17 | 8 | [
{
"comment_id": "6598121",
"author": "David",
"timestamp": "2023-02-12T03:36:27",
"content": "The key words you are looking for are ‘light-gathering’ or ‘live-edged’ arcylic no special coatings.Discription fromhttps://www.instituteofmaking.org.uk/materials-library/material/live-edge-perspex“This mat... | 1,760,372,399.146053 | ||
https://hackaday.com/2023/02/11/raspberry-pi-weather-station-features-wireless-sensor-nodes/ | Raspberry Pi Weather Station Features Wireless Sensor Nodes | Anool Mahidharia | [
"Raspberry Pi",
"Wireless Hacks"
] | [
"bme280",
"ESP32",
"forecast",
"humidity",
"raspberry",
"raspberry pi",
"temperature",
"weather",
"weather alert",
"weather forecast"
] | Online weather services are great for providing generic area forecasts, but they don’t provide hyperlocal data specific to your location. [Harald Kreuzer] needed both and built a
Raspberry Pi Weather Station
that provides weather forecasts for the next 7 days as well as readings from local sensors. The project is compl... | 3 | 2 | [
{
"comment_id": "6598104",
"author": "Great Build",
"timestamp": "2023-02-12T02:54:39",
"content": "This is awesome! Like most hackers (and as pointed in the article) I also built my own weather station but it pales in comparison to this. My version is entirely RS485 based (no wifi), but I like the ... | 1,760,372,399.189039 | ||
https://hackaday.com/2023/02/14/1950s-fighter-jet-air-computer-shows-what-analog-could-do/ | 1950s Fighter Jet Air Computer Shows What Analog Could Do | Dan Maloney | [
"Teardown"
] | [
"analog",
"avionics",
"differential",
"fluid dynamics",
"gears",
"pitot",
"STATIC",
"supersonic"
] | Imagine you’re a young engineer whose boss drops by one morning with a sheaf of complicated fluid dynamics equations. “We need you to design a system to solve these equations for the latest fighter jet,” bossman intones, and although you groan as you recall the hell of your fluid dynamics courses, you realize that it s... | 40 | 18 | [
{
"comment_id": "6599047",
"author": "mime",
"timestamp": "2023-02-14T09:16:36",
"content": "wow",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6599057",
"author": "PinheadBE",
"timestamp": "2023-02-14T09:42:47",
"content": "A 555 could have…..Er…N... | 1,760,372,399.27489 | ||
https://hackaday.com/2023/02/13/an-open-hardware-eurorack-compatible-audio-fpga-front-end/ | An Open Hardware Eurorack Compatible Audio FPGA Front End | Dave Rowntree | [
"FPGA",
"Musical Hacks"
] | [
"ak4619n",
"audio",
"dsp",
"eurorack",
"fpga",
"pmod",
"synthesiser",
"VCV Rack",
"verilog"
] | [Sebastian Holzapfel] has designed an
audio frontend (eurorack-pmod) for FPGA-based audio applications
, which is designed to fit into a standard Eurorack enclosure. The project, released under CERN Open-Hardware License V2, is designed in KiCAD using the
AK4619VN four-channel audio codec
by Asahi Kasei microdevices. (... | 4 | 4 | [
{
"comment_id": "6599165",
"author": "BrendaEM",
"timestamp": "2023-02-14T17:22:03",
"content": "Cool!More FPGA audio goodness here (not mine)https://www.youtube.com/channel/UCqQPwJM5BUc2zbbP-_06k2w",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6599330",
... | 1,760,372,400.314938 | ||
https://hackaday.com/2023/02/13/kicad-7-0-0-is-here-brings-trove-of-improvements/ | KiCad 7.0.0 Is Here, Brings Trove Of Improvements | Arya Voronova | [
"News",
"Reverse Engineering"
] | [
"design tool",
"eda",
"KiCAD",
"pcb layout"
] | Yesterday, the KiCad team
has released KiCad 7.0.0
– a surprise for those of us who have only gotten used to the wonders of KiCad 6, and it’s undoubtedly a welcome one! Some of these features, you might’ve seen mentioned in the
KiCad 2022 end-of-year recap,
and now, we get to play with them in a more stable configurati... | 109 | 22 | [
{
"comment_id": "6598988",
"author": "hinspect",
"timestamp": "2023-02-14T03:17:38",
"content": "I used P-CAD back in the mid 80s and later bought a copy of TANGO. I have since lost touch what everything evolved into!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,372,399.689835 | ||
https://hackaday.com/2023/02/13/how-to-roll-your-own-custom-object-detection-neural-network/ | How To Roll Your Own Custom Object Detection Neural Network | Donald Papp | [
"Artificial Intelligence",
"digital cameras hacks",
"how-to",
"Video Hacks"
] | [
"ai",
"charmed labs",
"cnn",
"colab",
"custom",
"neural network",
"raspberry pi",
"Tensorflow Lite",
"vizy"
] | Real-time object detection, which uses neural networks and deep learning to rapidly identify and tag objects of interest in a video feed, is a handy feature with great hacker potential. Happily, it’s also possible to make customized CNNs (convolutional neural networks) tailored for one’s own needs, and
that process jus... | 2 | 2 | [
{
"comment_id": "6599141",
"author": "Bob",
"timestamp": "2023-02-14T15:46:14",
"content": "If you want to play around with this using an easy method, you can use Frigate, NVR software that does object detection. I use it with the security camera’s around my house.",
"parent_id": null,
"dept... | 1,760,372,399.537221 | ||
https://hackaday.com/2023/02/13/stadia-controllers-two-extra-buttons-get-seen-with-webhid/ | Stadia Controller’s Two Extra Buttons Get Seen With WebHID | Donald Papp | [
"Games",
"Peripherals Hacks"
] | [
"bluetooth",
"firmware",
"game controller",
"gamepad",
"games",
"hid",
"WebHID"
] | The Google Stadia game streaming service relied on a proprietary controller. It was a pretty neat piece of hardware that unfortunately looked destined for landfills when Google announced that Stadia would discontinue. Thankfully it’s possible to use them as normal gamepads, and related to that, [Thomas Steiner] has a d... | 9 | 4 | [
{
"comment_id": "6598877",
"author": "Ostracus",
"timestamp": "2023-02-13T19:25:32",
"content": "Two main buttons I see are at the top “…” and the one to the right of it. I’m guessing that’s a button between the two joysticks as well?",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,372,399.733214 | ||
https://hackaday.com/2023/02/13/ban-on-physical-mail-slated-for-nyc-jails-which-could-go-digital-instead/ | Ban On Physical Mail Slated For NYC Jails, Which Could Go Digital Instead | Lewin Day | [
"Hackaday Columns",
"News"
] | [
"digital",
"digital mail",
"new york",
"prison"
] | Prison is a scary place, very much by design. It’s a place you end up when convicted of crimes by the judicial system, or in some cases, if you’re merely awaiting trial. Once you go in as a prisoner, general freedom and a laundry list of other rights are denied to you. New York City is the latest in a long list of muni... | 50 | 16 | [
{
"comment_id": "6598864",
"author": "Ostracus",
"timestamp": "2023-02-13T18:44:50",
"content": "“Prison is a scary place, very much by design. ”Needs more clowns.Securus and the high cost born by the families.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,372,399.967762 | ||
https://hackaday.com/2023/02/13/the-cryptmaster-2001-provides-basic-lessons-in-cryptography/ | The CryptMaster 2001 Provides Basic Lessons In Cryptography | Robin Kearey | [
"Security Hacks"
] | [
"atmega328p",
"classical cryptography",
"secret message"
] | Sending secret messages to your friends is fun, but today it’s so simple that you don’t even notice it anymore: practically any serious messaging system features encryption of some sort. To teach his kids about cryptography, [Michal Zalewski] therefore decided to bring the topic to life by building
a handheld encryptio... | 6 | 4 | [
{
"comment_id": "6598846",
"author": "Christoph",
"timestamp": "2023-02-13T17:41:38",
"content": "Vigenere cipher would be a logical next step.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6599100",
"author": "Ewald",
"timestamp": "2023-02-... | 1,760,372,399.872925 | ||
https://hackaday.com/2023/02/11/playing-music-on-a-custom-flyback-transformer/ | Playing Music On A Custom Flyback Transformer | Tom Nardi | [
"High Voltage"
] | [
"bluetooth",
"coil winding",
"flyback transformer",
"Plasma Channel",
"plasma speaker"
] | We’ve seen a number of people create plasma speakers over the years here at Hackaday, so at first blush, the
latest
Plasma Channel
video from [Jay Bowles]
might seem like more of the same. Even his overview of the assembly of the 555 timer circuit at the heart of the setup, as detailed as it may be, is something we’ve ... | 7 | 2 | [
{
"comment_id": "6598002",
"author": "PWalsh",
"timestamp": "2023-02-11T22:45:48",
"content": "Okay, question for the more knowledgeable people here.At the start of the video he holds an alligator clip/wire in his hand to the output to get a spark.The insulation of jumper wires with alligator clips ... | 1,760,372,400.015647 | ||
https://hackaday.com/2023/02/11/grocery-store-robot-gets-brief-taste-of-freedom/ | Grocery Store Robot Gets Brief Taste Of Freedom | Tom Nardi | [
"News",
"Robots Hacks"
] | [
"escape",
"grocery store",
"retail",
"robots"
] | Back in 2019, Giant Food Stores announced it would outfit each of its 172 stores in the United States with their own robot — at the time, the largest robotic deployment in retail. The six foot (1.8 meter) tall robot, nicknamed “Marty”, was designed to roam autonomously around the store looking for spills and other pote... | 32 | 17 | [
{
"comment_id": "6597892",
"author": "ameyring",
"timestamp": "2023-02-11T18:21:33",
"content": "Having seen these robots, I’d love to hear if Giant employees agree they really help look for hazards. They move pretty slow.",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,372,400.087385 | ||
https://hackaday.com/2023/02/11/hackaday-berlin-in-praise-of-lightning-talks/ | Hackaday Berlin: In Praise Of Lightning Talks | Elliot Williams | [
"cons"
] | [
"Hackaday Berlin",
"lightning talks",
"newsletter"
] | We’re in full-on prep mode for our first event in Europe in four years:
Hackaday Berlin
. And while we’ve got a great slate of speakers lined up, and to be announced soon, I’m personally most excited for the lightning talks.
Why? Because the lightning talks give you all, the attendees, the chance to get up and let ever... | 9 | 6 | [
{
"comment_id": "6597853",
"author": "Andrew Peters",
"timestamp": "2023-02-11T16:54:19",
"content": "Blitz sprechen!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6597855",
"author": "Michael Black",
"timestamp": "2023-02-11T16:59:13",
"content":... | 1,760,372,400.132655 | ||
https://hackaday.com/2023/02/11/reverse-engineering-e-ink-price-tags/ | Reverse Engineering E-Ink Price Tags | Navarre Bartz | [
"Reverse Engineering"
] | [
"CC2510",
"CC2510 microcontroller",
"e-ink",
"e-ink display",
"e-ink price tag",
"pi pico",
"PIO",
"raspberry pi 2040",
"Raspberry Pi Pico"
] | E-ink displays are great, but working with them can still be a bit tricky if you aren’t an OEM. [Jasper Devreker] got his hands on three e-ink shelf
displays to reverse engineer
.
After cracking the tag open, [Devreker] found a CC2510 microcontroller running the show. While the spec sheet shows a debug mode, this parti... | 7 | 1 | [
{
"comment_id": "6597760",
"author": "Anthony",
"timestamp": "2023-02-11T13:34:54",
"content": "I would absolutely LOVE to deploy these little tags across my garage/storage room, and pantry. (Making my inventory system that not only list what is where, but actually HIGHLIGHT what I’m looking for wou... | 1,760,372,400.172297 | ||
https://hackaday.com/2023/02/11/xml-is-a-quarter-century-old/ | XML Is A Quarter Century Old | Jenny List | [
"Software Hacks"
] | [
"anniversary",
"structured data",
"xml"
] | For those of us who have spent entire careers working with structured data, it comes as something of a surprise to be reminded that
XML is now 25 years old
. You probably missed the XML standard on the 10th of February 1998, but it’s almost certain that XML has touched your life in many ways even if you remain unaware ... | 58 | 24 | [
{
"comment_id": "6597653",
"author": "Tom Price",
"timestamp": "2023-02-11T09:04:19",
"content": "No surprise what the x in .docx stands for.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6598259",
"author": "Stuart Longland",
"timestamp": "... | 1,760,372,400.272184 | ||
https://hackaday.com/2023/02/10/pi-pico-breathes-new-life-into-original-playstation/ | Pi Pico Breathes New Life Into Original PlayStation | Jenny List | [
"Playstation Hacks"
] | [
"CD emulator",
"playstation",
"psone",
"psx"
] | Those gamers who were playing in the mid 1990s may retain a soft spot for Sony’s first PlayStation. The grey console was the thing to have a quarter century ago, but we’re guessing few who had one will have a soft spot for their CD mechanisms. These were seemingly manufactured from Sony’s finest chocolate, and would st... | 22 | 10 | [
{
"comment_id": "6597569",
"author": "Miles",
"timestamp": "2023-02-11T06:24:49",
"content": "Yikes, a crazy world indeed when the dual 300mhz ARM is the drive controller for the 33mhz processor.I often wonder why they don’t integrate the rp2040 chip directly and make the PCB smaller? Revision 2 I ... | 1,760,372,400.59662 | ||
https://hackaday.com/2023/02/10/jfet-stands-in-for-triode-in-this-infinite-impedance-detector/ | JFET Stands In For Triode In This Infinite Impedance Detector | Dan Maloney | [
"Radio Hacks"
] | [
"am",
"demodulation",
"detector",
"IF",
"jfet",
"RF",
"thermionic emission",
"triode"
] | An “Infinite Impedance Detector”
might sound a little like something that [Zaphod Beeblebrox] would use to zip around the galaxy. It’s not, of course, but it is an interesting and useful demodulator for AM radio signals, as [Sebastian Westerhold] over at Baltic Labs explains in the brief but well-done video below.
If y... | 6 | 5 | [
{
"comment_id": "6597883",
"author": "David",
"timestamp": "2023-02-11T17:55:45",
"content": "Yup … not earth shattering. A transconductance amplifier is a transconductance amplifier no matter what it physically looks like.",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,372,400.527095 | ||
https://hackaday.com/2023/02/10/an-instant-camera-using-e-paper-as-film/ | An Instant Camera Using E-Paper As Film | Jenny List | [
"digital cameras hacks"
] | [
"camera",
"e-paper",
"ESP32"
] | The original Polaroid cameras were a huge hit not just for their instant delivery, but for the convenient size of the permanent images they delivered. It’s something that digital cameras haven’t been able to replicate, which drew [Cameron] to produce a modern alternative. In the place of the chemical film of the origin... | 16 | 8 | [
{
"comment_id": "6597429",
"author": "then",
"timestamp": "2023-02-11T01:49:11",
"content": "Super nice =D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6597452",
"author": "Adrian",
"timestamp": "2023-02-11T02:32:20",
"content": "Love the idea!",... | 1,760,372,400.480839 | ||
https://hackaday.com/2023/02/10/3d-printing-support-gets-down-to-tacks/ | 3D Printing Support Gets Down To Tacks | Al Williams | [
"3d Printer hacks"
] | [
"3D printed supports",
"3d printing",
"supports"
] | If you use supports for FDM 3D printing, you might find that some designs are more amenable than others to automatically-generated supports. [Slant 3D] , for example, shows a cool-looking eagle with a downward-curved beak that comes to a point. Using traditional supports would allow the print to succeed, but didn’t all... | 9 | 5 | [
{
"comment_id": "6597673",
"author": "FightMeIm Gay",
"timestamp": "2023-02-11T09:28:34",
"content": "Should specify if it’s 3d resin or 3d filiment, or 3d sand print… Not all of us have resin printers. except me lmfao",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,372,400.725083 | ||
https://hackaday.com/2023/02/10/bridging-the-gap-between-dissimilar-road-types-with-foam/ | Bridging The Gap Between Dissimilar Road Types With Foam | Ryan Flowers | [
"Transportation Hacks"
] | [
"bridges",
"civil engineering",
"Dirt",
"engineering",
"EPS expanded polstyrene",
"eps foam",
"expanded polystyrene",
"foam"
] | When you think of driving up or down an embankment, do you ever wonder how much foam you’re currently driving on? Probably not, because it hardly seems like a suitable building material. But as explained by [Practical Engineering] in
the video below the break
, using an expanded material to backfill an embankment isn’t... | 27 | 13 | [
{
"comment_id": "6597251",
"author": "Greg A",
"timestamp": "2023-02-10T19:40:38",
"content": "i have repeatedly seen this idea that if you successfuly spread the weight out so it isn’t focused like a puncture then EPS can support huge loads. they did this for a small part of a bridge right by my h... | 1,760,372,400.827056 | ||
https://hackaday.com/2023/02/10/hackaday-podcast-205-hackaday-berlin-so-many-sundials-and-ovens-pinging-google/ | Hackaday Podcast 205: Hackaday Berlin, So Many Sundials, And Ovens Pinging Google | Tom Nardi | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi start this week’s episode off with the announcement of Hackaday Berlin on March 25th. It’s been quite some time since we’ve been on the other side of the pond, because we had to cancel 2020’s Hackaday Belgrade due to COVID-19, so excitement is high for all t... | 9 | 2 | [
{
"comment_id": "6598058",
"author": "Matt Rozema",
"timestamp": "2023-02-12T00:53:58",
"content": "What happened the results of last week’s what’s that sound?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6598113",
"author": "Tom Nardi",
"t... | 1,760,372,400.87583 | ||
https://hackaday.com/2023/02/10/bicopter-phone-case-might-be-hard-to-pocket-but-delivers-autonomous-selfies/ | Bicopter Phone Case Might Be Hard To Pocket, But Delivers Autonomous Selfies | Dan Maloney | [
"drone hacks"
] | [
"autonomous",
"Bicopter",
"dRehmFlight",
"drone",
"lidar",
"optical flow",
"phone",
"pitch",
"scam",
"yaw"
] | Remember that “PhoneDrone” scam from a while back? With two tiny motors and props that could barely lift a microdrone, it was pretty clearly a fake, but that doesn’t mean it wasn’t a pretty good idea. Good enough, in fact, that [Nick Rehm] came up with
his own version of the flying phone case
, which actually works pre... | 8 | 3 | [
{
"comment_id": "6597216",
"author": "PEBKAC",
"timestamp": "2023-02-10T18:32:33",
"content": "That’s awesome! I just find it a little frustrating how there’s an extra mcu and imu in the mix, when we know the phone already has that hardware.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,400.917251 | ||
https://hackaday.com/2023/02/10/this-week-in-security-imagemagick-vbulletin-and-dota-2/ | This Week In Security: ImageMagick, VBulletin, And Dota 2 | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks",
"Slider"
] | [
"dota2",
"imagemagick",
"This Week in Security"
] | There are a few binaries that wind up running in a bunch of places, silently do their jobs, and being easily forgotten about. ImageMagick is used on many servers for image conversion and resizing, and tends to run automatically on uploaded images. Easily forgotten, runs automatically, and with arbitrary inputs. Yep, pe... | 3 | 2 | [
{
"comment_id": "6597155",
"author": "Hello There",
"timestamp": "2023-02-10T16:21:26",
"content": "“Mary, Queen of Scotts”Only one T in “Scots” – unless she was also queen of the Antarctic… :P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6597309",
"auth... | 1,760,372,400.764017 | ||
https://hackaday.com/2023/02/10/modernizing-c-arrays-for-greater-memory-safety/ | Modernizing C Arrays For Greater Memory Safety | Al Williams | [
"Software Development"
] | [
"C language",
"code",
"memory",
"programming"
] | Lately, there has been a push for people to stop using programming languages that don’t promote memory safety. But as we still haven’t seen the death of some languages that were born in the early 1960s, we don’t think there will be much success in replacing the tremendous amount of software that uses said “unsafe” lang... | 75 | 19 | [
{
"comment_id": "6597016",
"author": "Pete",
"timestamp": "2023-02-10T13:07:15",
"content": "I enjoyed GDH’s article on C as well. I can relate.https://gavinhoward.com/2023/02/why-i-use-c-when-i-believe-in-memory-safety/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comme... | 1,760,372,401.335493 |
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