url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
values | publish_date stringclasses 1
value | categories listlengths 0 12 | tags listlengths 0 27 | featured_image stringlengths 0 272 | content stringlengths 0 56.1k | comments_count int64 0 900 | scraped_comments_count int64 0 50 | comments listlengths 0 50 | scraped_at float64 1.76B 1.76B |
|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2022/12/18/hackaday-links-december-18-2022/ | Hackaday Links: December 18, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"abandonware",
"aquarium",
"berlin",
"biology",
"bricking",
"drm",
"electronics course",
"hackaday links",
"immune system",
"Manhattan Style",
"neets",
"neuralink",
"neutrophil",
"structural collapse",
"ugly",
"US Navy"
] | By now everyone has probably seen the devastation wrought by
the structural failure of what was once the world’s largest free-standing cylindrical aquarium
. The scale of the tank, which until about 5:50 AM Berlin time on Friday graced the lobby of the Raddison Blu hotel, was amazing — 16 meters tall, 12 meters in diam... | 27 | 12 | [
{
"comment_id": "6552805",
"author": "Ren",
"timestamp": "2022-12-19T00:37:22",
"content": "Did the aquarium hold back the water with polymers? If so they should’ve used transparent alumin[i]um.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6552809",
... | 1,760,372,460.705908 | ||
https://hackaday.com/2022/12/18/medical-ultrasound-scanner-gives-up-its-secrets-runs-doom/ | Medical Ultrasound Scanner Gives Up Its Secrets, RunsDOOM | Robin Kearey | [
"Medical Hacks"
] | [
"hidden features",
"medical ultrasound",
"ultrasound scanner"
] | Medical equipment often makes for interesting teardown videos: the strict requirements imposed by certification bodies mean you’ll find good quality components and a high standard of design and manufacturing. But when [Buy It Fix It] bought an ultrasound scanner on eBay, he wasn’t interested in tearing it down: his pla... | 4 | 1 | [
{
"comment_id": "6552767",
"author": "alialiali",
"timestamp": "2022-12-18T22:33:25",
"content": "Seeing it opened like that just makes you realise how important it is these items do get a chance to be reused/repurposed.Way too good to rot in a landfill!",
"parent_id": null,
"depth": 1,
... | 1,760,372,460.796244 | ||
https://hackaday.com/2022/12/18/antweight-combat-robot-tips-shared-from-experience/ | Antweight Combat Robot Tips, Shared From Experience | Donald Papp | [
"Robots Hacks"
] | [
"antweight",
"combat robot",
"learning experience"
] | [Harry]’s newest robot, the
MotherLoader V2
, looks fantastic but was ultimately more of a learning experience and test bed for some experimental features. Luckily for us, [Harry] created
a lengthy write-up
detailing everything that he tried and revised.
3D printing and aluminum both feature heavily in antweight robots... | 1 | 1 | [
{
"comment_id": "6552999",
"author": "Strang__",
"timestamp": "2022-12-19T12:35:08",
"content": "Just a heads-up for any readers, Motherloader and Motherloader V2 are both Beetleweight combat robots, so in the UK they’re at 1500g rather than 150g. You can find a bunch of guides if you look for Brist... | 1,760,372,460.599618 | ||
https://hackaday.com/2022/12/18/a-transistor-memory-wait-its-both/ | A Transistor? Memory? Wait, It’s Both! | Al Williams | [
"Science"
] | [
"fet",
"graphene",
"transistor"
] | What do you get if you cross graphene, hexagonal boron nitride, and tungsten diselenide? Well, according to researchers at Hunan University, you get a field effect transistor that can act as both a switching element or a memory cell. The partial floating-gate field-effect transistor or PFGFET uses 2D van der Waals hete... | 13 | 4 | [
{
"comment_id": "6552627",
"author": "Hitomi",
"timestamp": "2022-12-18T15:09:34",
"content": "Typo, must be “Van der Waals” instead, not walls.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6552648",
"author": "Ren",
"timestamp": "2022-12-1... | 1,760,372,460.84781 | ||
https://hackaday.com/2022/12/19/io-connected-radio-alarm-clock/ | IO Connected Radio Alarm Clock | Abe Connelly | [
"clock hacks"
] | [
"alarm clock",
"AM/FM",
"atmega328",
"atmega328p",
"DS1307 RTC",
"i2c",
"TEA5767"
] | [CoreWeaver] creates an
alarm clock
that includes features one might expect in such a project, including an FM radio, snooze button inputs and a display, but goes beyond the basic functionality to include temperature sensing and a PC connection, opening the way for customizable functionality.
An Atmega328 is used for t... | 3 | 1 | [
{
"comment_id": "6554728",
"author": "Foley Matthews",
"timestamp": "2022-12-21T00:06:46",
"content": "seriously, 2 days old and no comments at all, not even the derisive ones like “not another clock” “fm radio is dead”. however, i for one think its a neat project, interesting implementation of larg... | 1,760,372,460.751435 | ||
https://hackaday.com/2022/12/19/photography-the-stereo-way/ | Photography, The Stereo Way | Bryan Cockfield | [
"digital cameras hacks"
] | [
"3d",
"camera",
"image",
"photo",
"photography",
"stereo",
"stereoscopic"
] | Most consumer-grade audio equipment has been in stereo since at least the 1960s, allowing the listener to experience sounds with a three-dimensional perspective as if they were present when the sound was originally made. Stereo photography has lagged a little behind the stereo audio trend, though, with most of the tech... | 19 | 8 | [
{
"comment_id": "6553242",
"author": "L",
"timestamp": "2022-12-19T21:19:03",
"content": "Overthinking. Take an old photo cam with a slide film. Take shot. Move small distance to the left or right. Take shot again. View the slides with two of these little boxes that you could a slide into and put it... | 1,760,372,461.110385 | ||
https://hackaday.com/2022/12/19/its-ethernet-from-an-spi-interface/ | It’s Ethernet, From An SPI Interface | Jenny List | [
"Microcontrollers",
"Network Hacks"
] | [
"ethernet",
"ethernet transceiver",
"spi"
] | Over the years as microcontrollers have become fast enough to do the heavy lifting, we have become used to 10 megabit Ethernet being bit-banged from interfaces it was never meant to emerge from. We think however that we’ve never seen one driven from an SPI interface, so
this one from [Ivan]
may be a first. With a cleve... | 37 | 9 | [
{
"comment_id": "6553186",
"author": "Mike",
"timestamp": "2022-12-19T19:44:03",
"content": "Why do people try to reinvent the wheel ? Not to mention in todays world I doubt it handles all protocols that would probably hose something else out on the LAN.",
"parent_id": null,
"depth": 1,
... | 1,760,372,461.008349 | ||
https://hackaday.com/2022/12/19/laser-fusion-ignition-putting-nuclear-fusion-breakthroughs-into-perspective/ | Laser Fusion Ignition: Putting Nuclear Fusion Breakthroughs Into Perspective | Maya Posch | [
"Hackaday Columns",
"News",
"Science"
] | [
"nuclear fusion"
] | This month the media was abuzz with the
announcement
that the US National Ignition Facility (NIF) had accomplished a significant breakthrough in the quest to achieve commercial nuclear fusion. Specifically, the announcement was that a net fusion energy gain (Q) had been measured of about 1.5: for an input of 2.05 MJ, 3... | 45 | 15 | [
{
"comment_id": "6553124",
"author": "TG",
"timestamp": "2022-12-19T18:02:51",
"content": "Only three decades left!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6553247",
"author": "Criatura",
"timestamp": "2022-12-19T21:29:50",
"co... | 1,760,372,460.938014 | ||
https://hackaday.com/2022/12/19/35mm-film-restoration-process-explained/ | 35mm Film Restoration Process Explained | Dave Walker | [
"Art",
"Video Hacks"
] | [
"35mm film",
"animation",
"film",
"restoration",
"stop motion"
] | For a large part of the 20th century, motion pictures were distributed on nitrate film. Although cheaper for the studios, this film was highly flammable and prone to decay. On top of that, most film prints were simply discarded once they had been through their run at the cinema, so a lot of film history has been lost.
... | 9 | 6 | [
{
"comment_id": "6553108",
"author": "Bruce Perens K6BP",
"timestamp": "2022-12-19T17:33:11",
"content": "I worked on the digital part of this process for Pixar and Kodak Cinesite, and our work was used to restore “Snow White” and other classical films. The point about nitrate film base is not simpl... | 1,760,372,461.05727 | ||
https://hackaday.com/2022/12/19/damaged-soyuz-may-leave-crew-without-a-ride-home/ | Damaged Soyuz May Leave Crew Without A Ride Home | Tom Nardi | [
"Current Events",
"Featured",
"Space"
] | [
"coolant",
"international space station",
"iss",
"leak",
"rescue",
"Soyuz"
] | Though oddly beautiful in its own way, it’s a sight no astronaut wants to see: their spacecraft, the only way they have to return to Earth, ejecting countless iridescent droplets of
something
into space.
When the crew of
Apollo 13
saw their craft literally bleeding out on their trip to the Moon it was clear the mission... | 54 | 15 | [
{
"comment_id": "6553063",
"author": "Ostracus",
"timestamp": "2022-12-19T15:59:21",
"content": "A space Titanic.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6553073",
"author": "aaronc",
"timestamp": "2022-12-19T16:18:58",
"conten... | 1,760,372,461.320835 | ||
https://hackaday.com/2022/12/19/mini-cheetah-clone-teardown-by-none-other-than-original-designer/ | Mini Cheetah Clone Teardown, By None Other Than Original Designer | Donald Papp | [
"Robots Hacks",
"Teardown"
] | [
"clone",
"mini cheetah",
"robot",
"teardown"
] | [Ben Katz] designed the original MIT Mini Cheetah robot, which easily captured attention and imagination with its decidedly un-robotic movements and backflips. Not long after [Ben]’s masters thesis went online, clones of the actuators started to show up at overseas sellers, and a few months after that, clones of the wh... | 21 | 4 | [
{
"comment_id": "6553030",
"author": "Ren",
"timestamp": "2022-12-19T14:26:03",
"content": "This is why you should either patent your stuff or make it “as a service”. Bill Gates can buy anything and play any video game he wants. By comparison Richard Stallman can’t even afford decent clothes. If Lin... | 1,760,372,461.514651 | ||
https://hackaday.com/2022/12/18/whats-inside-a-super-cheap-projector-not-a-lot/ | What’s Inside A Super-Cheap Projector? Not A Lot! | Donald Papp | [
"Teardown",
"Video Hacks"
] | [
"cheap",
"lcd",
"optics",
"projector"
] | [Raymond Ma] has a penchant for browsing Aliexpress and purchasing curious pieces of hardware that are as high on promises as they are low on cost. This is a process he aptly sums up with his opening line of “I should have known better, but…” Luckily, these devices all get torn down and analyzed so we can each enjoy an... | 39 | 12 | [
{
"comment_id": "6552574",
"author": "Daniel",
"timestamp": "2022-12-18T12:42:23",
"content": "Reminds me of the Logilink AA0023 iPhone 4 projector that was sold as surplus four years ago.https://www.mikrocontroller.net/topic/463384",
"parent_id": null,
"depth": 1,
"replies": []
},
{... | 1,760,372,461.449035 | ||
https://hackaday.com/2022/12/18/robot-dog-has-animal-magnetism/ | Robot Dog Has Animal Magnetism | Al Williams | [
"Robots Hacks"
] | [
"electropermanent",
"robot",
"robot dog"
] | Robot “dogs” are all the rage lately, but you probably haven’t seen one that can climb up a wall. Researchers in Korea have
made one that can
, assuming the wall is made out of a metal that a magnet can stick to at least. The robot, MARVEL or magnetically adhesive robot for versatile and expeditious locomotion, might b... | 7 | 7 | [
{
"comment_id": "6552531",
"author": "Billy Bob",
"timestamp": "2022-12-18T09:36:59",
"content": "“ROBOT DOG HAS ANIMAL MAGNETISM”.Misleading headline. I watched the whole video and it definitely does not attract, or stick to animals.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,372,461.554121 | ||
https://hackaday.com/2022/12/17/a-binaural-microphone-for-the-great-outdoors/ | A Binaural Microphone For The Great Outdoors | Jenny List | [
"digital audio hacks"
] | [
"binaural",
"binaural microphone",
"boundary microphone",
"pzm"
] | A binaural recording is designed to mimic as closely as possible the experience of listening through human ears, and thus binaural microphones are often shaped like the human head with the microphone cartridges placed where the ears would be. That’s not the only way to make a binaural microphone though, and the Crown
S... | 15 | 7 | [
{
"comment_id": "6552577",
"author": "concretedog",
"timestamp": "2022-12-18T12:46:50",
"content": "Best set of binaural mics I made are a matched pair of small electrets hacked into a set of earbuds. Gets the mics in the right position surrounded by correct (ish!) human ear and head geometries. Ste... | 1,760,372,461.373771 | ||
https://hackaday.com/2022/12/17/bbc-microbit-as-handheld-synthesizer/ | BBC Micro:Bit As Handheld Synthesizer | Bryan Cockfield | [
"Microcontrollers",
"Musical Hacks"
] | [
"bbc micro bit",
"led matrix",
"low pass filter",
"micro bit",
"Micro:bit",
"micropython",
"synth",
"synthesizer"
] | The BBC Micro:bit, while not quite as popular in our community as other microcontroller development boards, has a few quirks that can make it a much more interesting piece of hardware to build a project around than an Arduino. [Turi] took note of these unique features and decided that it was the
perfect platform to bui... | 4 | 2 | [
{
"comment_id": "6552566",
"author": "alialiali",
"timestamp": "2022-12-18T12:09:38",
"content": "The Pocket Operators by Teenage Engineering actually look great and have an exposed PCB design. I was hoping this would be an open hardware version of those.",
"parent_id": null,
"depth": 1,
... | 1,760,372,461.595842 | ||
https://hackaday.com/2022/12/17/printed-film-camera-gets-10-seconds-out-of-a-35mm-roll/ | Printed Film Camera Gets 10 Seconds Out Of A 35mm Roll | Jenny List | [
"Video Hacks"
] | [
"35mm film",
"camera",
"movie camera"
] | When the British budget electronics brand Amstrad released their first budget VHS camcorder in the mid 1980s, they advertised it as making a filmmaker out of everyone. Now everyone truly is a filmmaker of sorts with their always-handy mobile phones, even though possessing a camera does not give you the talent of Steven... | 17 | 12 | [
{
"comment_id": "6552403",
"author": "Ren",
"timestamp": "2022-12-18T01:33:49",
"content": "Well, it needs work…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6552427",
"author": "jbx",
"timestamp": "2022-12-18T03:00:13",
"content": "My father mad... | 1,760,372,461.955425 | ||
https://hackaday.com/2022/12/17/citizen-driven-network-monitors-public-service-radio-for-natural-disaster-alerts/ | Citizen-Driven Network Monitors Public Service Radio For Natural Disaster Alerts | Dan Maloney | [
"Radio Hacks"
] | [
"public safety",
"RTL-SDR",
"scanner",
"Starlink",
"wildfire"
] | Time is of the essence in almost every emergency situation, especially when it comes to wildfires. A wind-driven fire can roar across a fuel-rich landscape like a freight train, except one that can turn on a dime or jump a mile-wide gap in a matter of seconds. Usually, the only realistic defense against fires like thes... | 12 | 7 | [
{
"comment_id": "6552469",
"author": "craig",
"timestamp": "2022-12-18T06:26:01",
"content": "So someone listens to all the everything all the time, and if a fire is happening, a corvette a smart phone app? Is this their full time job or what? Good luck.",
"parent_id": null,
"depth": 1,
... | 1,760,372,461.903836 | ||
https://hackaday.com/2022/12/17/diy-square-guitar-is-anything-but/ | DIY Square Guitar Is Anything But | Kristina Panos | [
"Musical Hacks"
] | [
"Bo Diddley",
"boxy",
"guitar",
"ice cream sandwich",
"sapele"
] | One of the greatest things about this place is how y’all constantly feed off of each other. And while this isn’t exactly an example of that, it’s pretty darn close — we feature a square guitar build one day, and get a tip about
another way different and perhaps more functional one
the next.
[Craig Lindley] had no idea ... | 3 | 3 | [
{
"comment_id": "6552296",
"author": "Nikolai",
"timestamp": "2022-12-17T19:19:20",
"content": "Remember a guitar made from shovel?https://hackaday.com/2010/09/04/shovel-guitar/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6552405",
"author": "Ren",
... | 1,760,372,461.848459 | ||
https://hackaday.com/2022/12/17/yesterdays-future-is-brighter-today/ | Yesterday’s Future Is Brighter Today | Elliot Williams | [
"classic hacks",
"Rants",
"Retrocomputing"
] | [
"demo",
"demoscene",
"newsletter",
"progress",
"retrocomputing"
] | The
demoscene
never ceases to amaze. Back in the mid-80s, people wouldn’t just hack software to remove the copy restrictions, but would go the extra mile and add some fun artwork and greetz. Over the ensuing decade the artform broke away from the cracks entirely, and the elite hackers were making electronic music with ... | 31 | 8 | [
{
"comment_id": "6552200",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-17T15:19:15",
"content": "The second RPU in 6502 was buggy so it was decided to run both at once with a passthrough to joystick port. The system described is similar to the later family of Intel x86. Al... | 1,760,372,462.080933 | ||
https://hackaday.com/2022/12/17/say-the-magic-word-and-the-tinysa-goes-ultra/ | Say The Magic Word, And The TinySA Goes Ultra | Al Williams | [
"Reviews"
] | [
"spectrum analyzer",
"tinysa"
] | We’ve looked at the TinySA spectrum analyzer in the past. However, the recent Ultra edition offers an increase in range from 800 MHz to 6 GHz. How does it work? [IMSAI Guy]
tells us in a recent video
that you can watch below. In addition to an increased frequency range, the new device offers a larger display and enhanc... | 15 | 9 | [
{
"comment_id": "6552220",
"author": "Ren",
"timestamp": "2022-12-17T15:56:48",
"content": "Interesting, after watching the video, I wonder if I would be better off buying the HP unit instead.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6552234",
"autho... | 1,760,372,462.004292 | ||
https://hackaday.com/2022/12/17/differential-swerve-drive-is-highly-maneuverable/ | Differential Swerve Drive Is Highly Maneuverable | Lewin Day | [
"Robots Hacks"
] | [
"differential swerve drive",
"wheel"
] | There are a variety of wheel designs out there that can provide for rotation and translation in various directions. The differential swerve drive, though, as demonstrated by [WildWillyRobots], uses regular wheels on a complex mount
to achieve impressive directional flexibility.
The design uses a regular round wheel mou... | 17 | 7 | [
{
"comment_id": "6552075",
"author": "Mike Massen, Perth, Western Australia",
"timestamp": "2022-12-17T09:39:55",
"content": "Nice idea, reminds me of the wheel arrangement of the Audi in “I Robot” with actor Will Smith, hmm mightbe a way to achieve that too with magnetic variations ;-)",
"paren... | 1,760,372,462.349035 | ||
https://hackaday.com/2022/12/16/kids-jukebox-based-on-arduino-with-rfid/ | Kids’ Jukebox Based On Arduino With RFID | Bryan Cockfield | [
"Musical Hacks"
] | [
"arduino",
"audio",
"audiobook",
"Child",
"children",
"fable",
"grimm",
"grimmboy",
"mp3",
"music",
"NFC",
"rfid",
"stories",
"tonuino"
] | Consumer electronics aimed at young children tend to be quite janky and cheap-looking, and they often have to be to survive the extreme stress-testing normal use in this situation. You could buy a higher quality item intended for normal use, but this carries the risk of burning a hole in the pockets of the parents. To ... | 10 | 8 | [
{
"comment_id": "6552061",
"author": "Oliver",
"timestamp": "2022-12-17T08:53:48",
"content": "Looks like an offline hope source version of the toniebox.https://tonies.com/en-gb/tonieboxes/Job well done!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "655243... | 1,760,372,462.200476 | ||
https://hackaday.com/2022/12/16/what-happens-when-implants-become-abandonware/ | What Happens When Implants Become Abandonware? | Navarre Bartz | [
"hardware",
"Medical Hacks",
"Repair Hacks"
] | [
"bankruptcy",
"bionic eye",
"brain prosthesis",
"implant",
"mri",
"obsolete hardware",
"proprietary"
] | You’ve probably had a company not support one of your devices as long as you’d like, whether it was a smart speaker or a phone, but what happens if you have a medical implant that is no longer supported? [Liam Drew] did a deep dive on what the
failure of several neurotechnology startups
means for the patients using the... | 32 | 14 | [
{
"comment_id": "6551999",
"author": "Stuart Longland",
"timestamp": "2022-12-17T04:44:16",
"content": "IMO, if a device is implanted in a human, there should be a guarantee that either:(1) the device is supported by its manufacturer for the lifetime of the patient…or (2) the full and complete desig... | 1,760,372,462.152588 | ||
https://hackaday.com/2022/12/16/antenna-mount-designed-for-on-the-go-sdr/ | Antenna Mount Designed For On-The-Go SDR | Bryan Cockfield | [
"Radio Hacks"
] | [
"3d modeling",
"3d printed",
"antenna",
"laptop",
"mount",
"sdr",
"software-defined radio"
] | Software-defined radio is all the rage these days, and for good reason. It eliminates or drastically reduces the amount of otherwise pricey equipment needed to transmit or even just receive, and can pack many more features than most affordable radio setups otherwise would have. It also makes it possible to go mobile mu... | 15 | 8 | [
{
"comment_id": "6551909",
"author": "Steven-X",
"timestamp": "2022-12-17T00:28:17",
"content": "I like how the SDR dongle was integrated, so it beyond just a antenna mount. I also like the Velcro attachment. Maybe not rocket science, but still a solid, practical design.",
"parent_id": null,
... | 1,760,372,462.248578 | ||
https://hackaday.com/2022/12/16/a-simple-high-fidelity-diy-mic-pre-amp/ | A Simple High-Fidelity DIY Mic Pre Amp | Lewin Day | [
"Misc Hacks"
] | [
"audio",
"mic",
"microphone",
"phantom power",
"pre-amp",
"preamp"
] | If you’re doing any serious work with microphones, you’ll typically find yourself in want of a dedicated preamp. [ojg] needed just such a thing for acoustic measurement duties, and set about working up a cheap DIY design
by the name of ThatMicPre.
The design is based around the THAT1510 preamp IC, known for its good fr... | 13 | 7 | [
{
"comment_id": "6551845",
"author": "Murray",
"timestamp": "2022-12-16T21:27:55",
"content": "I’d recomwnd a few changes.The 1n4004s on the input side are pretty slow 1n4148s mat be better suited. The 2 zeners for the phantom supply are a source of noise and a 100nF and a 10nF in parallel to them c... | 1,760,372,462.298354 | ||
https://hackaday.com/2022/12/16/foot-pedal-ups-vim-productivity-brings-ergonomic-benefits/ | Foot Pedal Ups Vim Productivity, Brings Ergonomic Benefits | Lewin Day | [
"Peripherals Hacks"
] | [
"foot pedal",
"pi pico",
"usb hid",
"vi",
"vim"
] | Vim is the greatest or the worst text editor of all time, depending on the tribe you’re in. Either way, members of both camps can appreciate this build from [Chris Price],
which uses a foot pedal to ease operations for the user.
The basic concept was to use a pedal to enable switching between normal and insert modes. I... | 53 | 22 | [
{
"comment_id": "6551798",
"author": "BsAtHome",
"timestamp": "2022-12-16T19:51:04",
"content": "But sometimes you want to ‘a’ppend and quite often to ‘A’ppend or simply ‘c’hange and ‘I’nsert. And then to ‘o’ on the next line. And programming loves … repeats.You need a foot-key board to cover your t... | 1,760,372,462.537103 | ||
https://hackaday.com/2022/12/16/battery-engineering-hack-chat-gets-charged-up/ | Battery Engineering Hack Chat Gets Charged Up | Tom Nardi | [
"Engineering",
"Hackaday Columns",
"Slider"
] | [
"battery",
"Betavoltaic",
"energy storage",
"fuel cell",
"Hack Chat",
"solid-state battery",
"supercapacitor"
] | Turn the clock back a couple of decades, and the only time the average person would have given much thought to batteries was when the power would go out, and they suddenly needed to juice up their flashlight or portable radio. But today, high-capacity batteries have become part and parcel to our increasingly digital l... | 9 | 4 | [
{
"comment_id": "6551793",
"author": "Paul",
"timestamp": "2022-12-16T19:33:40",
"content": "““batteries” that power deep space probes and Mars rovers are more properly known as betavoltaics — in that they provide power not through a chemical reaction but through beta particles emitted from a radioa... | 1,760,372,462.589734 | ||
https://hackaday.com/2022/12/16/hackaday-podcast-197-decoding-vhs-engineering-the-tv-guardian-and-gitting-code-into-your-esp32s/ | Hackaday Podcast 197: Decoding VHS, Engineering The TV Guardian, And Gitting Code Into Your ESP32s | Kristina Panos | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos delighted in the aural qualities of Kristina’s brand new, real (read: XLR) microphone before embarking on creating a podcast highlighting the best of the previous week’s hacks.
This week in the news, NASA returned to the Moon with Artemis ... | 0 | 0 | [] | 1,760,372,462.726246 | ||
https://hackaday.com/2022/12/16/motion-activated-clock-only-lights-up-on-command/ | Motion-Activated Clock Only Lights Up On Command | Lewin Day | [
"clock hacks"
] | [
"clock",
"motion sensor",
"pir",
"PIR sensor"
] | While some of us can fall asleep anywhere from a noisy auditorium to a brightly lit train station, others are more fussy, requiring quiet and dark to nod off. [Craig Lindley] likes to minimize light when he’s trying to sleep,
and decided to build himself a simple clock that wouldn’t disturb his rest.
The basic concept ... | 8 | 7 | [
{
"comment_id": "6551725",
"author": "Yo Mamma",
"timestamp": "2022-12-16T16:42:31",
"content": "My watch lights up when I touch it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6551756",
"author": "Paul",
"timestamp": "2022-12-16T18:00:36",
"con... | 1,760,372,462.633465 | ||
https://hackaday.com/2022/12/16/this-week-in-security-scamming-the-fbi-in-the-wild-and-ai-security/ | This Week In Security: Scamming The FBI, In The Wild, And AI Security | Jonathan Bennett | [
"Current Events",
"Featured",
"Slider",
"Software Hacks"
] | [
"In the Wild",
"smuggling",
"This Week in Security"
] | If you’re part of a government alphabet agency, particularly running a program to share information to fight cybercrime, make sure to
properly verify the identity of new members before admission
. Oh, and make sure the API is rate-limited so a malicious member can’t scrape the entire user database and sell it on a dark... | 16 | 4 | [
{
"comment_id": "6551709",
"author": "Chris Muncy",
"timestamp": "2022-12-16T15:50:26",
"content": "As a long time member of InfraGard, I was very intrigued by this hack, and can confirm everything that Brian found out. THis is one of those things where you would never think of that as an attack vec... | 1,760,372,462.684388 | ||
https://hackaday.com/2022/12/16/mazda-patents-spinning-dorito-to-extend-ev-range/ | Mazda Patents Spinning Dorito To Extend EV Range | Al Williams | [
"car hacks"
] | [
"ev",
"Wankel"
] | OK, so a Wankel engine doesn’t really use a Dorito as its cylinders, but it sure looks like one. The company has announced it will offer a range extender rotary engine for the MX-30 electric “crossover” vehicle, but [CarBuzz]
dug into the patent papers
to find out that it has some interesting twists.
The MX-30 is an EV... | 44 | 14 | [
{
"comment_id": "6551608",
"author": "Bob",
"timestamp": "2022-12-16T12:12:01",
"content": "Awesome. I love dorito powered engines. They are so much fun. I know Mazda can’t produce a new cars like the RX7/8 but seeing it used again, even in a situation like this, just makes me smile.I really can’t w... | 1,760,372,462.907991 | ||
https://hackaday.com/2022/12/16/two-thirds-keyboard-is-inspired-by-the-typesetting-era/ | Two-Thirds Keyboard Is Inspired By The Typesetting Era | Lewin Day | [
"Peripherals Hacks"
] | [
"keyboard",
"type",
"typeset",
"typesetting"
] | We see all kinds of custom keyboard builds around here. Most of them are intended to optimize typing to the user’s desires. This glorious build from [Attoparsec] isn’t one of those, and is instead part of the growing joke keyboard genre.
The so-called Two-Thirds Keyboard is inspired by the long-gone typesetting era.
Th... | 18 | 10 | [
{
"comment_id": "6551550",
"author": "stoneburner",
"timestamp": "2022-12-16T09:05:14",
"content": "reminds me of the keyboard from a linotype machine:https://en.wikipedia.org/wiki/Linotype_machine#/media/File:Linotype_keyboard_with_Star_Quadder_attachment.jpg",
"parent_id": null,
"depth": 1... | 1,760,372,462.827993 | ||
https://hackaday.com/2022/12/15/a-kids-toy-guitar-turned-into-an-electric-ukulele/ | A Kid’s Toy Guitar Turned Into An Electric Ukulele | Dave Walker | [
"Musical Hacks"
] | [
"electric guitar",
"headphones",
"Pickups",
"toy guitar",
"ukulele"
] | With the holiday season fast approaching, there’s a good chance that some well-meaning friend or relative might buy a toy musical instrument for your children, safe in the knowledge that they’ll never have to listen to the results! The sound from these cheap toy guitars is pretty terrible, partly because they’re just t... | 8 | 3 | [
{
"comment_id": "6551616",
"author": "Hank Castello",
"timestamp": "2022-12-16T12:51:32",
"content": "A simpler modification, and arguably with better results, would be to change strings and tune in open tuning. That way, if the child merely strums all the strings – it sounds good. If they fret ac... | 1,760,372,462.777529 | ||
https://hackaday.com/2022/12/15/retrotechtacular-a-1960s-look-at-the-21st-century-home/ | Retrotechtacular: A 1960s Look At The 21st Century Home | Dan Maloney | [
"Retrotechtacular"
] | [
"futurism",
"home of tomorrow",
"retrotechtacular",
"robots",
"teletype",
"Walter Cronkite"
] | If you only watch the first 60 seconds of
1967’s “At Home, 2001,”
you’ll be forgiven for thinking that the film is riddled with missed predictions. And to be sure, the cold open is rife with them, from disposable paper furniture to seashell-shaped houses that look like they’re extruded from concrete. Really, the only c... | 29 | 17 | [
{
"comment_id": "6551457",
"author": "Michael Black",
"timestamp": "2022-12-16T03:18:40",
"content": "International Crystal Manufacturing had a microwave in the late sixties. Heathkit had a kit, can’t remember when it was introduced.And watching Truth or Consequences with Bob Barker, Amana Radar Ran... | 1,760,372,462.973184 | ||
https://hackaday.com/2022/12/15/building-a-chain-drive-differential-from-junkyard-parts/ | Building A Chain Drive Differential From Junkyard Parts | Lewin Day | [
"car hacks"
] | [
"bmw",
"differential"
] | A differential is a very useful thing for a vehicle. It allows two driven wheels to rotate at different speeds, such as when going around a corner. [Workshop From Scratch] needed a chain driven differential,
so set about building one from a salvaged automotive unit.
The differential itself was taken from a BMW E46 3-Se... | 26 | 4 | [
{
"comment_id": "6551383",
"author": "Ren",
"timestamp": "2022-12-16T00:17:34",
"content": "Great idea! Ever since I bought a homemade quadracycle, I wondered how to incorporate a differential for its straight through rear axle.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,463.03382 | ||
https://hackaday.com/2022/12/15/top-up-your-teapot-in-time-with-this-e-ink-tea-timer/ | Top Up Your Teapot In Time With This E-ink Tea Timer | Robin Kearey | [
"cooking hacks"
] | [
"e-ink display",
"tea timer",
"teapot"
] | Whether you’re a tea aficionado or just a casual drinker, it’s important to pay attention to your brewing times: too short and you’re just drinking hot water, too long and your brew becomes bitter and astringent. [Bob] wanted to help his parents avoid the latter scenario, and made them
a convenient little tea timer
tha... | 15 | 5 | [
{
"comment_id": "6551328",
"author": "Mike",
"timestamp": "2022-12-15T22:06:57",
"content": "I’ve been wanting to make something just like this, but for hand towels around the house (to know when they were last replaced with a clean one). Great project!",
"parent_id": null,
"depth": 1,
"... | 1,760,372,463.085331 | ||
https://hackaday.com/2022/12/15/3d-printed-gadgets-make-lab-work-easier/ | 3D Printed Gadgets Make Lab Work Easier | Lewin Day | [
"Tool Hacks"
] | [
"lab",
"lab equipment",
"laboratory",
"labware"
] | If you’ve worked in a bio or chem lab, you’ve probably found yourself handling all manner of plastic. Test tubes, fixtures, clamps — there’s a cavalcade of this stuff that fattens up the order books of lab suppliers every quarter. Sometimes, though, the commercial solutions aren’t quite what you need. For [AtomicVirolo... | 1 | 1 | [
{
"comment_id": "6554968",
"author": "Jeremy",
"timestamp": "2022-12-21T04:29:14",
"content": "The ability to design pretty much anything you can think of is why I love 3D printing so much. The custom applications are endless. You can improve so many processes easily and inexpensively. As a 3rd year... | 1,760,372,463.259245 | ||
https://hackaday.com/2022/12/15/supercon-2022-sam-mulvey-shows-you-how-to-fm-radio/ | Supercon 2022: Sam Mulvey Shows You How To FM Radio | Elliot Williams | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2022 Superconference",
"diy",
"fm",
"radio"
] | Sam Mulvey built his own radio station in Tacoma, WA. Is there a better way to meld ham radio practice with a colossal number of DIY electrical and computer projects? Sam would say there isn’t one!
This 45-minute talk
is basically the lessons-learned review of setting up KTQA 95.3 – the radio station on the hill.
Sam s... | 19 | 6 | [
{
"comment_id": "6551233",
"author": "Shirley Marquez",
"timestamp": "2022-12-15T18:43:56",
"content": "The basic flaw of LPFM is that the places with enough population density to support a station rarely have any channels available. Here in Boston, the one time recently that a channel became availa... | 1,760,372,463.318457 | ||
https://hackaday.com/2022/12/15/sonos-speakers-free-to-sing-again/ | Sonos Speakers Free To Sing Again | Chris Lott | [
"digital audio hacks",
"Teardown"
] | [
"bluetooth speaker",
"dumpster diving",
"recycling",
"sonos"
] | Over at the EEVBlog,
[Dave Jones] takes a second look at the Sonos Play 5 Gen 1
that he rescued from the dumpster recently. Despite being solidly built, [Dave] discovered that even the stereo line-in jack can’t be used without registering an account with Sonos. Not to be defeated, he hacks these speakers to make them w... | 69 | 17 | [
{
"comment_id": "6551157",
"author": "Ben",
"timestamp": "2022-12-15T16:39:18",
"content": "Wonder how these sound without the Sonos DSP. I imagine theres a huge amount of heavy lifting done in software.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6552041... | 1,760,372,463.657461 | ||
https://hackaday.com/2022/12/13/after-40-years-adobe-releases-postscript-source-v0-10-for-posterity/ | After 40 Years, Adobe Releases PostScript Source V0.10 For Posterity | Elliot Williams | [
"Software Development"
] | [
"adobe",
"Computer History Muesum",
"postscript"
] | Celebrating their 40th anniversary,
Adobe released the source code of PostScript v0.10 to the Computer History Museum
. But before you ask, we tried and it won’t compile with GCC out of the box – it’s missing at least
except.h
, but we’d bet you can hack around it with a little dedication.
PostScript is the precursor t... | 28 | 15 | [
{
"comment_id": "6550179",
"author": "Darren",
"timestamp": "2022-12-14T03:23:19",
"content": "A bit surprised it wasn’t written in flash.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6550222",
"author": "Naxes",
"timestamp": "2022-12-14T05... | 1,760,372,463.382504 | ||
https://hackaday.com/2022/12/13/vhs-decode-project-could-help-archival-efforts/ | VHS-Decode Project Could Help Archival Efforts | Lewin Day | [
"Software Hacks",
"Video Hacks"
] | [
"archival",
"archive",
"VHS",
"vhs-decode",
"video"
] | Archiving data from old storage media can be a highly complex process. It can be as simple as putting a disk in an old drive and reading out the contents. These days, though, the state of the art is more complex, with advanced techniques helping to recover the most data possible.
The VHS-Decode project is an effort to ... | 47 | 11 | [
{
"comment_id": "6550089",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-14T00:08:12",
"content": "“Domesday Duplicator”As if one won’t be enough.B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6550095",
"author": "ashaw",... | 1,760,372,463.548302 | ||
https://hackaday.com/2022/12/13/building-a-lamp-to-help-with-seasonal-depression/ | Building A Lamp To Help With Seasonal Depression | Lewin Day | [
"LED Hacks"
] | [
"Adafruit Feather",
"circadian lighting",
"lamp",
"weather api"
] | The sun plays a big biological role in our lives, regulating our circadian rhythms and doing a whole bunch more as well. Some people find the reduced sunlight of the winter months to have negative emotional effects, and rely on artificial lighting to counteract this.
[Samasrinivas] built a lamp of their own design for ... | 13 | 9 | [
{
"comment_id": "6549982",
"author": "TG",
"timestamp": "2022-12-13T21:17:55",
"content": "This reminds me—I gotta clean out my fridge.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6550009",
"author": "Emil",
"timestamp": "2022-12-13T21:59:26",
"... | 1,760,372,463.70915 | ||
https://hackaday.com/2022/12/13/push-esp32-over-the-air-updates-from-github/ | Push ESP32 Over The Air Updates From GitHub | Matthew Carlson | [
"Microcontrollers",
"Software Development"
] | [
"ESP32",
"github",
"Github Actions",
"OTA"
] | Let’s say you’re working on an ESP32 project to send off to your grandma; something she can just plug in and it will start automatically monitoring her plant’s water levels. But you discover a critical flaw in the firmware and need to update it. Does she send it back? Do you walk her through dropping the update via the... | 21 | 11 | [
{
"comment_id": "6549955",
"author": "Anton",
"timestamp": "2022-12-13T20:46:02",
"content": "Yes, the esp is so small – a bricked device is not even good as a paperwight",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6550303",
"author": "Clayton Ros... | 1,760,372,463.764859 | ||
https://hackaday.com/2022/12/13/hyundai-to-lead-us-market-for-hydrogen-fuel-cell-trucks/ | Hyundai To Lead US Market For Hydrogen Fuel Cell Trucks | Lewin Day | [
"Hackaday Columns",
"Slider",
"Transportation Hacks"
] | [
"fuel cell",
"fuel cells",
"hydrogen",
"hydrogen fuel cells",
"hyundai",
"semi truck",
"tractor",
"truck",
"trucking",
"trucks"
] | Hydrogen has long been touted as a potential fuel of the future. While it’s failed to catch on in cars as batteries have taken a strong lead, it still holds great promise for larger vehicles like trucks.
Hyundai have been working diligently in this space over the last few years, with its Xcient line of fuel-cell powere... | 96 | 19 | [
{
"comment_id": "6549877",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-13T18:52:54",
"content": "I’ve recently thrown out dozen of pop-science books for children; those books were from early 1990s. Back then hydrogen cars were also called the future and would replace regul... | 1,760,372,463.950678 | ||
https://hackaday.com/2022/12/13/this-gun-should-be-banned-during-the-month-of-december/ | This Gun Should Be Banned During The Month Of December | Jenny List | [
"Holiday Hacks"
] | [
"Last Christmas",
"Wham!",
"Whamageddon"
] | Do you play Whamageddon? It’s a pastime for the month of December, something like the Game, in which you lose when you are exposed to the 1984
Wham!
Christmas classic,
Last Christmas
. Such is the pervasive nature of Christmas music at this time of year, it’s extremely difficult not to encounter a bit of unexpected Wha... | 10 | 6 | [
{
"comment_id": "6549807",
"author": "Unaccounted4",
"timestamp": "2022-12-13T16:34:53",
"content": "I have lost The Game.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6549987",
"author": "TG",
"timestamp": "2022-12-13T21:21:00",
"c... | 1,760,372,463.812738 | ||
https://hackaday.com/2022/12/13/usb-c-cable-types/ | All About USB-C: Cable Types | Arya Voronova | [
"Featured",
"Interest",
"Skills",
"Slider"
] | [
"cables",
"confusion",
"USB C"
] | USB-C cables and connectors: these are controversial topics, and rightfully so – I don’t want to pull any punches. I will also show you that things don’t have to be that bad for you, as long as you’re willing to apply a few tricks and adjust your expectations.
Wild West of Wiring
You might have a bunch of USB-C cables,... | 51 | 13 | [
{
"comment_id": "6549762",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-13T15:28:58",
"content": "USB was good when it was just HID and bulk transfers. Now it’s like trying to make a bulk freighter out of ski jet and some used condoms (for floatation).",
"parent_id": nu... | 1,760,372,464.047185 | ||
https://hackaday.com/2022/12/14/magnet-clock-makes-field-lines-visible/ | Magnet Clock Makes Field Lines Visible | Robin Kearey | [
"clock hacks"
] | [
"clock",
"magnetic field lines",
"magnetic viewing film"
] | The traditional method for visualizing magnetic fields, which your science teacher probably demonstrated at some point, is to sprinkle some iron filings onto a piece of paper and hold it over a magnet. It’s a bit of a messy process though, and nowadays there’s a more modern method available in the form of magnetic view... | 1 | 1 | [
{
"comment_id": "6550785",
"author": "E. Granger Dyett III",
"timestamp": "2022-12-15T00:12:25",
"content": "Excellent gift, there’s no present like the time.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,464.087285 | ||
https://hackaday.com/2022/12/14/self-assembling-virus-model-is-3d-printed/ | Self-Assembling Virus Model Is 3D Printed | Lewin Day | [
"3d Printer hacks"
] | [
"virology",
"virus"
] | Sometimes a visual or tactile learning aid can make all the difference to elucidating a concept to an audience. In the case viruses and their methods of self-assembly,
[AtomicVirology] made a 3D printed device to demonstrate how they work.
The result of this work is a printed dodecahedron, assembled from multiple compo... | 11 | 5 | [
{
"comment_id": "6550619",
"author": "TG",
"timestamp": "2022-12-14T18:26:26",
"content": "Just need to put numbers on the sides",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6550657",
"author": "Swift",
"timestamp": "2022-12-14T19:38:18",
"conten... | 1,760,372,464.136294 | ||
https://hackaday.com/2022/12/14/massive-mouse-game-mimics-classic-software-crashes/ | Massive Mouse Game Mimics Classic Software Crashes | Robin Kearey | [
"Art",
"Games",
"Peripherals Hacks"
] | [
"Giant Scale",
"mouse",
"optical mouse",
"optical mouse sensor"
] | Computer mice come in all kinds of shapes and sizes, but are typically designed to fit in the palm of your hand. While some users with large hands may find standard mice uncomfortably small, we don’t think anyone will ever make that complaint about
the humongous peripheral
[Felix Fisgus] made for a game called
Office J... | 6 | 3 | [
{
"comment_id": "6550690",
"author": "Mike",
"timestamp": "2022-12-14T20:48:19",
"content": "I never imagined closing popups could be fun. Great job!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6550698",
"author": "andarb",
"timestamp": "2022-12-14T... | 1,760,372,464.255854 | ||
https://hackaday.com/2022/12/14/the-story-behind-the-tvguardian-curse-catcher/ | The Story Behind The TVGuardian Curse Catcher | Chris Lott | [
"Featured",
"Reverse Engineering",
"Slider",
"Teardown",
"Video Hacks"
] | [
"censoring",
"closed captioning",
"nsfw",
"reverse engineering"
] | The recent flurry of videos and posts about the TVGuardian foul language filter brought back some fond memories. I was the chief engineer on this project for most of its lifespan. You’ve
watched the teardowns
, you’ve
seen the reverse engineering
, now here’s the inside scoop.
Gumby is Born
TVG Model 101 Gumby (
Techno... | 23 | 16 | [
{
"comment_id": "6550521",
"author": "Sam",
"timestamp": "2022-12-14T15:29:07",
"content": "Thanks for this fantastic write up. HAD never ceases to amaze me with the quality and breath of its articles.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6550527",
... | 1,760,372,464.206989 | ||
https://hackaday.com/2022/12/14/hud-like-clock-is-a-transparent-time-display/ | HUD-Like Clock Is A Transparent Time Display | Lewin Day | [
"clock hacks"
] | [
"clock",
"heads up display",
"hud"
] | While we have all types of displays these days, there’s something special about those that appear to float in the air. This
HUD clock from [Kiwi Bushwalker]
is one such example.
The build relies on four 8×8 LED matrixes to display the four digits that make up the time, run by the MAX7219 driver chip. However, the LEDs ... | 13 | 6 | [
{
"comment_id": "6550433",
"author": "Stuart Longland",
"timestamp": "2022-12-14T12:58:00",
"content": "A “pepper’s ghost” clock… nice. :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6550511",
"author": "Paul",
"timestamp": "2022-12-14T15:05:54",
... | 1,760,372,466.137892 | ||
https://hackaday.com/2022/12/14/resurrecting-pong-one-jumper-wire-at-a-time/ | ResurrectingPONG, One Jumper Wire At A Time | Ryan Flowers | [
"classic hacks",
"Games"
] | [
"breadboard",
"Coleco",
"pong",
"retro gaming"
] | Between 1976 and 1978, over one million Coleco Telstar video game consoles were sold. The Killer App that made them so desirable?
PONG
. Yep, those two paddles bouncing a ball around a blocky tennis court were all the rage and helped usher in a new era. And as [Dave] of
Dave’s Garage
shows us in
the video below the bre... | 18 | 5 | [
{
"comment_id": "6550382",
"author": "RH",
"timestamp": "2022-12-14T10:52:35",
"content": "It’s not a CPU. Based on die photos, it’s more akin to a microcontroller (MCU), as it has not just a (serial) processor in it, but also the video and audio-generation circuitry. The OR gate is mainly just to c... | 1,760,372,466.478672 | ||
https://hackaday.com/2022/12/13/open-world-3d-game-runs-on-the-rp2040-microcontroller/ | Open World 3D Game Runs On The RP2040 Microcontroller | Lewin Day | [
"Games"
] | [
"3d engine",
"pi pico",
"rp2040"
] | The Raspberry Pi RP2040 is versatile and cheap, but it’s by no means known as the most powerful microcontroller on the world. Regardless, it is capable of great things, as demonstrated by [Bernhard Strobl],
who built a 3D open world game engine that runs on that very platform.
The graphics are simple, but with a compel... | 15 | 8 | [
{
"comment_id": "6550250",
"author": "jpa",
"timestamp": "2022-12-14T06:15:19",
"content": "I wonder if the RP2040 hardware interpolators could speed up the rasterizer. They seem like interesting hardware, but I haven’t seen them used much anywhere.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,465.861515 | ||
https://hackaday.com/2022/12/15/australias-soft-plastic-recycling-debacle/ | Australia’s Soft Plastic Recycling Debacle | Lewin Day | [
"Current Events",
"Featured",
"green hacks",
"Slider"
] | [
"recycle",
"recycling",
"redcycle",
"waste"
] | We’ve all been told to cut back on waste to help prevent environmental crisis on Earth. Reducing waste helps reduce the need to spend time and energy digging up fresh materials, and helps reduce the amount of trash we have to go out and bury in the ground in landfills. Recycling is a big part of this drive, allowing us... | 80 | 26 | [
{
"comment_id": "6551112",
"author": "Paul",
"timestamp": "2022-12-15T15:23:45",
"content": "“3,000 tons of soft plastics that were being stored across a network of at least six warehouses. “Hunh? How is this a big deal? 3000 tons will fit in a school gymnasium. It’s roughly one hour of Australia’s... | 1,760,372,466.414806 | ||
https://hackaday.com/2022/12/15/virtual-yule-log-brings-old-tradition-to-the-web/ | Virtual Yule Log Brings Old Tradition To The Web | Lewin Day | [
"Holiday Hacks",
"internet hacks"
] | [
"web",
"yule log"
] | Yule Log broadcasts are a bit of an American tradition, though similar content has also been broadcast around the world. They consist of a video of a log burning in a fireplace, ideally merrily so, and often feature Christmas carols or other holiday songs to help create a festive mood. [Joshua Gross] wanted to bring th... | 2 | 2 | [
{
"comment_id": "6551131",
"author": "TG",
"timestamp": "2022-12-15T15:48:37",
"content": "In the future, people with Neuralink will be able to imagine a virtual scene in which they use a simulated laptop to view a simulated CRT television displaying a simulated fireplace which simulates an ancient ... | 1,760,372,466.177146 | ||
https://hackaday.com/2022/12/15/giving-your-pets-a-digital-squeak/ | Giving Your Pets A Digital Squeak | Matthew Carlson | [
"gps hacks",
"Microcontrollers",
"Wireless Hacks"
] | [
"gps tracker",
"LoRaWAN",
"pet tracking"
] | A pet tracker has a particularly grueling set of requirements: small, light, rugged, incredibly long battery life, safe for the pet, and cheap. [Mihai Cuciuc] was looking at the options and wasn’t thrilled with any of them. So as any hacker would,
he rolled his own, dubbed Squeak
.
It uses an RN2483 module as it is a L... | 4 | 2 | [
{
"comment_id": "6551045",
"author": "shinsukke",
"timestamp": "2022-12-15T12:29:44",
"content": "Love the magnetic charging port! Its a no brainer for outdoor type projects. I wonder why I never thought of using those.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,372,465.800951 | ||
https://hackaday.com/2022/12/14/dumping-game-boy-cartridges-via-the-link-cable-port/ | Dumping Game Boy Cartridges Via The Link Cable Port | Lewin Day | [
"Nintendo Game Boy Hacks"
] | [
"backup",
"catridge",
"game boy",
"ROM dump"
] | When it comes to vintage consoles like the Game Boy, it’s often nice to be able to dump cartridge ROMs for posterity, for archival, and for emulation. To that end,
[Francis Stokes] of [Low Byte Productions] whipped up a rather unique method of dumping Game Boy carts via the link cable port.
The method starts by running... | 17 | 6 | [
{
"comment_id": "6550923",
"author": "Eric Chapin",
"timestamp": "2022-12-15T06:28:41",
"content": "It should be noted this trick will not work on the original “fat” Gameboy because the power switch has a sliding tab that locks the cart slot, preventing one from inserting or removing a cart. Moddin... | 1,760,372,466.089666 | ||
https://hackaday.com/2022/12/14/how-the-turntable-paradox-works/ | How The Turntable Paradox Works | Lewin Day | [
"Science"
] | [
"physics",
"rotation",
"turntable"
] | Leave most objects on top of a turntable, and set it spinning, and they’ll fly off in short order. Do the same with a ball, though, and it somehow manages to roll around on top for quite some time without falling off. [Steve Mould] set about unpacking this “Turntable Paradox”
in a recent YouTube video.
In the basic cas... | 35 | 18 | [
{
"comment_id": "6550875",
"author": "Mike",
"timestamp": "2022-12-15T04:08:55",
"content": "Extrapolate to lack of correlation between classical Newtonian physics and planetary/galactic observations vis a vis proposed Dark Matter.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,466.296732 | ||
https://hackaday.com/2022/12/14/omniwhegs-are-awesome-times-two/ | Omniwhegs Are Awesome Times Two | Elliot Williams | [
"Robots Hacks"
] | [
"legs",
"robot",
"wheels",
"whegs"
] | What’s the strangest wheel? The omniwheel. Unless you count whegs — “wheel legs” — as wheels. This
research paper from Shanghai Technical University
explores a mash-up of the two ideas, where the wheels roll as standard omniwheels until a servo on the axle unfurls them into their whegs configuration. The result? OmniWh... | 26 | 13 | [
{
"comment_id": "6550812",
"author": "Ostracus",
"timestamp": "2022-12-15T01:14:15",
"content": "Gone are the days of my news being either, “paper or plastic”?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6550818",
"author": "J. Samson",
"timestamp":... | 1,760,372,465.924398 | ||
https://hackaday.com/2022/12/14/nanoaetherphone-is-a-special-midi-controller/ | Nanoaetherphone Is A Special MIDI Controller | Lewin Day | [
"Musical Hacks"
] | [
"midi",
"midi controller",
"music",
"theremin"
] | MIDI controllers can be simple straightforward keyboards, or wild magical devices that seem to snatch notes from the very aether itself. As you might expect from the name,
the Nanoaetherphone II is one of the latter.
The device is inspired by the Theremin, and was built to celebrate its 100th anniversary. The Nanoaethe... | 11 | 8 | [
{
"comment_id": "6550717",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-14T21:29:12",
"content": "Make it just a centimeter smaller and I could wear it on my /not/ leg.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6550764",
... | 1,760,372,466.228088 | ||
https://hackaday.com/2022/12/11/hackaday-links-december-11-2022/ | Hackaday Links: December 11, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"ai",
"bell labs",
"big bang",
"broadcast",
"chatbot",
"ChatGPT",
"cosmic microwave background",
"fm",
"hackaday links",
"Holmdel",
"Horn Antenna",
"plasma",
"RF",
"Stack OverFlow",
"supertower"
] | “They paved paradise and put up a parking lot.” That might be stretching things a bit, especially when the “paradise” in question is in New Jersey, but there’s a move afoot to
redevelop the site of the original “Big Bang Antenna”
that has some people pretty upset. Known simply as “The Horn Antenna” since it was built b... | 13 | 8 | [
{
"comment_id": "6548236",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-12T00:12:45",
"content": "So, the Horn is still there, but non-functional?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6548251",
"author": "cliff cla... | 1,760,372,466.533304 | ||
https://hackaday.com/2022/12/11/diy-comparatron-helps-trace-tiny-complex-objects/ | DIY Comparatron Helps Trace Tiny, Complex Objects | Donald Papp | [
"cnc hacks",
"Reverse Engineering",
"Tool Hacks"
] | [
"calipers",
"cnc",
"measurement",
"microscope",
"optical comparator",
"reverse engineering"
] | Hackers frequently find themselves reverse-engineering or interfacing to existing hardware and devices, and when that interface needs to be a physical one, it really pays to be able to take accurate measurements.
This is easy to do when an object is big enough to fit inside calipers, or at least straight enough to be l... | 21 | 7 | [
{
"comment_id": "6548106",
"author": "Andrew",
"timestamp": "2022-12-11T21:03:50",
"content": "One does not simply export as a DXF.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6548165",
"author": "Jan Ciger (@janoc200)",
"timestamp": "2022... | 1,760,372,466.595 | ||
https://hackaday.com/2022/12/11/pdp-8-plays-period-popcorn-piece/ | PDP-8 Plays Period Popcorn Piece | Chris Lott | [
"Musical Hacks",
"Retrocomputing"
] | [
"DECUS",
"Gershon Kingsley",
"music",
"musical synthesizer",
"PDP-8"
] | [Kyle Owen], collector of antique tech, decided to try his hand at music arrangement — for the PDP-8 computer, that is (listen to
the video below the break
). He’s using a program submitted by Richard Wilson to the Digital Equipment Corporation Users Society (DECUS) in 1976, appropriately named MUSIC. It runs on OS/8 a... | 18 | 14 | [
{
"comment_id": "6548028",
"author": "Al Williams",
"timestamp": "2022-12-11T19:16:50",
"content": "Hot buttered popcorn was the news jingle for radio Canada international news back in the 1970s. Fond memories.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "65... | 1,760,372,467.17323 | ||
https://hackaday.com/2022/12/11/a-straightforward-old-fashioned-dac/ | A Straightforward Old-Fashioned DAC | Jenny List | [
"computer hacks"
] | [
"adc",
"dac",
"resistor ladder"
] | With modern microcontrollers, the process of interfacing with the analogue world is easy. Simply enable the on-board DAC or ADC, and talk to the world. If you’ve ever done this with a slightly older microprocessor, you might have encountered the DAC and ADC as chips in their own right, but how about the earliest genera... | 33 | 18 | [
{
"comment_id": "6547860",
"author": "doragasu",
"timestamp": "2022-12-11T15:18:34",
"content": "R/2R ladder DACs are really handy. Very easy to implement, very cheap, and they do the work nicely if you do not need high quality. In my last Amstrad CPC cart, I implemented an 8-bit one just using 8 pi... | 1,760,372,467.406128 | ||
https://hackaday.com/2022/12/11/ne555-based-electronic-dice/ | NE555-Based Electronic Dice | Dave Walker | [
"classic hacks",
"Games",
"hardware",
"LED Hacks"
] | [
"555 timer",
"dice",
"die",
"hardware",
"NE555",
"pcb",
"ring oscillator",
"schmitt trigger",
"simplification"
] | It has become a bit of a running joke in the Hackaday community to suggest that a project could or should have been done with a 555 timer. [Tim] has rather taken this to heart with his
latest Electronic Dice project
, which uses three of the venerable devices.
If three seems like a lot of 555s to make an electronic die... | 14 | 9 | [
{
"comment_id": "6547755",
"author": "YGDES",
"timestamp": "2022-12-11T12:23:50",
"content": "That’s old news, pre-Ukraine invasion era :-P",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6547760",
"author": "shinsukke",
"timestamp": "2022-12-11T12:33:3... | 1,760,372,467.115823 | ||
https://hackaday.com/2022/12/11/fixing-and-improving-an-annoying-apartment-entry-system/ | Fixing (And Improving!) An Annoying Apartment Entry System | Donald Papp | [
"home hacks",
"how-to"
] | [
"apartment",
"door entry",
"home",
"intercom",
"IoT",
"telegram"
] | [Zak]’s two-floor apartment has a typical door entry control system, but the setup is less than ideally convenient. The wall-mounted telephone-like intercom is downstairs, but [Zak] is usually upstairs. What’s an enterprising hacker to do? Obviously the most elegant solution is to simply do without visitors in the firs... | 7 | 5 | [
{
"comment_id": "6548008",
"author": "mh",
"timestamp": "2022-12-11T18:48:20",
"content": "Sounds like an idea for a startup company…likehttps://www.nello.io/Could be an interesting experience – you could e.g. go bankrupthttps://medium.com/@christophbaumeister/why-nello-failed-bd5df7c2b0fband then b... | 1,760,372,466.917127 | ||
https://hackaday.com/2022/12/10/a-vm-in-an-ai/ | A VM In An AI | Jenny List | [
"Artificial Intelligence"
] | [
"ai",
"ChatGPT",
"linux"
] | AI knoweth everything, and as each new model breaks upon the world, it attracts a new crowd of experimenters. The new hotness is ChatGPT, and [Jonas Degrave] has turned his attention to it. By asking it to act as a Linux terminal, he discovered that he could gain access to
a complete Linux virtual machine within the mo... | 41 | 15 | [
{
"comment_id": "6547512",
"author": "Artenz",
"timestamp": "2022-12-11T06:17:32",
"content": "The beginnings of a new revolution…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6548297",
"author": "What is 3 + 3?",
"timestamp": "2022-12-12T0... | 1,760,372,466.997684 | ||
https://hackaday.com/2022/12/13/roll-your-own-wifi-driver-for-the-pico-w/ | Roll Your Own WiFi Driver For The Pico W | Matthew Carlson | [
"Raspberry Pi",
"Wireless Hacks"
] | [
"bare metal",
"Pi Pico W",
"picowi"
] | The Raspberry Pi Pico is a handy little microcontroller that has become a widespread addition to many hackers’ workbench. The Pico W has a CYW4342W module (just like the Pi Zero W) to add WiFi capabilities and [Jeremy Bentham]
ported his bare-metal WiFi driver to the Pico W
.
The CYW43438 is an SDIO interface, so most ... | 28 | 3 | [
{
"comment_id": "6549649",
"author": "Stuart Longland",
"timestamp": "2022-12-13T12:21:37",
"content": "https://hackaday.com/2022/06/30/raspberry-pi-pico-w-adds-wireless/#div-comment-6488126suggests a good reason for rolling your own — dodging the alleged lawyerbomb, since Jeremy’s code is MIT-licen... | 1,760,372,467.061489 | ||
https://hackaday.com/2022/12/13/a-concealed-model-railway-rises-to-the-occasion/ | A Concealed Model Railway Rises To The Occasion | Jenny List | [
"Toy Hacks"
] | [
"model railroad",
"model railway",
"model train",
"N-gauge"
] | Occasional pieces of furniture serve little purpose other than to fill a space and maybe display a prized ornament or two. Who hasn’t got a relative with one two many small tables or display stands overfilling the available space!
If you visit [Peter Waldraff]’s house though, those pieces of furniture may not be what t... | 5 | 3 | [
{
"comment_id": "6549619",
"author": "James",
"timestamp": "2022-12-13T11:43:31",
"content": "Thomas looks a bit like the The Joker in Batman.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6549656",
"author": "BT",
"timestamp": "2022-12-13T1... | 1,760,372,467.336719 | ||
https://hackaday.com/2022/12/12/interesting-optical-journey-results-in-hybrid-viewfinder-for-smartphones/ | Interesting Optical Journey Results In Hybrid Viewfinder For Smartphones | Dan Maloney | [
"digital cameras hacks"
] | [
"beamsplitter",
"hybrid",
"lens",
"optical",
"optics",
"viewfinder"
] | Fair warning: if you ever thought there was nothing particularly interesting with optical viewfinders, prepare to have your misconception corrected by [volzo] with
this deep-dive into camera-aiming aids that leads to an interesting hybrid smartphone viewfinder
.
For most of us, the traditional optical viewfinder is ver... | 5 | 3 | [
{
"comment_id": "6549838",
"author": "echodelta",
"timestamp": "2022-12-13T17:33:58",
"content": "I remember my uncle’s fancy camera with two lenses, one just for the view finder. Whew, twice the cost.What every phone camera needs that is worth 3D printing is a 2 hands on 2 handles with a button to ... | 1,760,372,467.297851 | ||
https://hackaday.com/2022/12/12/travel-uke-from-a-fallen-tree/ | Travel Uke From A Fallen Tree | Navarre Bartz | [
"Musical Hacks"
] | [
"lutherie",
"luthier",
"luthiery",
"string instrument",
"travel instrument",
"travel uke",
"travel ukelele",
"uke",
"ukelele",
"woodworking"
] | When faced with what to build from the trimmings of the walnut tree in her yard, [Amy Qian] decided to build a
headless travel ukulele
. [
via MAKE:
]
Headless instruments relocate the tuners to the body of the instrument, and [Qian] had to do a fair bit of trimming and whittling on the body to make the tuners fit just... | 6 | 5 | [
{
"comment_id": "6549374",
"author": "TG",
"timestamp": "2022-12-13T04:47:33",
"content": "Wow. End result is marvelous, very nice wood choices. I love seeing true craftsmen finish their woodwork, it’s so satisfying. Just need a video showing how it sounds! Keep it away from the TSA :)",
"parent... | 1,760,372,467.448905 | ||
https://hackaday.com/2022/12/12/serial-cistercian-digit-module/ | Serial Cistercian Digit Module | Matthew Carlson | [
"LED Hacks",
"Peripherals Hacks"
] | [
"31-segment display",
"Cistercian",
"LED display",
"RGB LEDs"
] | There’s no doubt that the 7-segment display is a gold standard for displaying lighted digits. But what about a throwback to an older system of displaying numbers — Cistercian? With thirty-one 0805 LEDs, [Josue Alejandro] made a
simple module displaying a single Cistercian digit
(any from 0-9999).
The first iteration us... | 11 | 6 | [
{
"comment_id": "6549290",
"author": "PWalsh",
"timestamp": "2022-12-13T02:19:17",
"content": "That’d look really nice on a predator wrist computer replica. Just sayin’",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6549299",
"author": "Andrew",
"times... | 1,760,372,467.492828 | ||
https://hackaday.com/2022/12/12/esp32-projects-from-northwestern-universitys-embedded-electronics-class/ | ESP32 Projects From Northwestern University’s Embedded Electronics Class | Michael Shaub | [
"Microcontrollers"
] | [
"ESP32",
"espressif",
"microcontroller"
] | Northwestern University’s Embedded Electronics Class delivered a bumper crop of ESP-32 projects this year. The student teams recorded their progress on hackaday.io with project descriptions, logs, BOMs, diagrams, photos, and videos to share with other makers. While all utilized the web connection that the ESP32 offers ... | 4 | 4 | [
{
"comment_id": "6549203",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-12T23:51:28",
"content": "Congratulations students!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6549311",
"author": "craig",
"timestamp": "2022-12-13T0... | 1,760,372,467.534946 | ||
https://hackaday.com/2022/12/12/battery-engineering-hack-chat/ | Battery Engineering Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, December 14 at noon Pacific for the
Battery Engineering Hack Chat
with Dave Sopchak!
Of all the things driving technology forward, you’d have to say that the ability of chip makers to squeeze more complex circuits than ever onto silicon has to rank right up there. And while that’s no doubt true, i... | 7 | 2 | [
{
"comment_id": "6549133",
"author": "rtyhj5r6yj",
"timestamp": "2022-12-12T22:04:59",
"content": "Please tell me why I cant send power to batery from battery",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6549261",
"author": "battery charging enthus... | 1,760,372,467.574892 | ||
https://hackaday.com/2022/12/12/students-rebel-against-heat-sensing-crotch-monitor-surveillance-devices/ | Students Rebel Against Heat-Sensing Crotch Monitor Surveillance Devices | Lewin Day | [
"Hackaday Columns",
"Rants",
"Security Hacks",
"Slider"
] | [
"desk sensor",
"occupancy sensor",
"sensors",
"surveil",
"surveillance"
] | Surveillance has become a ubiquitous part of modern life. Public spaces are dotted with CCTV cameras inside and out. Recent years have seen the technology spread to the suburbs with porch cameras spreading the eye of big tech and law enforcement ever further.
Outside of mere cameras, companies are rushing to develop al... | 180 | 34 | [
{
"comment_id": "6548964",
"author": "Rowena",
"timestamp": "2022-12-12T18:33:19",
"content": "Is this April 1st ?News for y’all, the horse named “expectation-of-privacy” already left the barn a long time ago.When folks *willingly* and in fact *demand* certain “modern conveniences”, one looks at the... | 1,760,372,468.10248 | ||
https://hackaday.com/2022/12/12/laser-cutting-a-flurry-of-generative-snowflakes/ | Laser-Cutting A Flurry Of Generative Snowflakes | Abe Connelly | [
"Art",
"Laser Hacks"
] | [
"generative art",
"javascript",
"laser cutter",
"ornament",
"snowflake",
"web app",
"web application"
] | It’s the holiday season, and what better way to celebrate than to carve out some generative snowflakes on your laser cutter? [Bleeptrack] has developed a
web-based tool
that creates generative snowflake ornaments which can be exported to SVG files ready-made for laser or vinyl cutting.
True to their namesake, each gene... | 5 | 2 | [
{
"comment_id": "6548914",
"author": "bleeptrack",
"timestamp": "2022-12-12T17:26:41",
"content": "Ohey, I did not anticipate to be featured on hackaday! Thanks a lot for that! I also just published a little video about the generator and cutting process if you want to take a look:https://youtu.be/-W... | 1,760,372,467.753086 | ||
https://hackaday.com/2022/12/12/nasa-aces-artemis-i-but-the-journey-has-just-begun/ | NASA Aces Artemis I, But The Journey Has Just Begun | Tom Nardi | [
"Current Events",
"Featured",
"Original Art",
"Slider",
"Space"
] | [
"apollo",
"Artemis I",
"artemis program",
"deep space",
"lunar exploration",
"orion",
"sls"
] | When NASA’s
Orion capsule splashed down in the Pacific Ocean yesterday afternoon
, it marked the end of a journey that started decades ago. The origins of the Orion capsule can be tracked back to a Lockheed Martin proposal from the early 2000s, and development of the towering Space Launch System rocket that sent it on ... | 51 | 8 | [
{
"comment_id": "6548849",
"author": "Don Smith",
"timestamp": "2022-12-12T15:41:20",
"content": "Team Miles is just getting started.Dec 9th:https://twitter.com/MilesSpace/status/1601424119085805568Happy to note that the Team Miles cubesat is alive and sending radio signals. NASA ground stations wil... | 1,760,372,467.884328 | ||
https://hackaday.com/2022/12/12/getting-root-on-a-chinese-ip-camera/ | Getting Root On A Chinese IP Camera | Maya Posch | [
"Linux Hacks",
"Reverse Engineering"
] | [
"reverse engineering",
"root access",
"XM530"
] | With so many cheap network-connected devices out there being Linux-powered, it’s very tempting to try and hack into them, usually via a serial interface. This was the goal of [Andrzej Szombierski] when he purchased a cheap Chinese IP camera using an XM530 ARM-based SoC
to explore
and ultimately
get root access
on. This... | 67 | 20 | [
{
"comment_id": "6548706",
"author": "RetepV",
"timestamp": "2022-12-12T12:20:01",
"content": "> This then leaves the next question, of what to do with such an IP camera after you have gained root access?Well, for one: cut out the middle man, so that your stream is finally only accessible by yoursel... | 1,760,372,468.20117 | ||
https://hackaday.com/2022/12/12/cga-competitors-from-the-1980s/ | CGA Competitors From The 1980s | Chris Lott | [
"Retrocomputing",
"Video Hacks"
] | [
"cga",
"ega",
"video card"
] | [David Murray], aka The 8-Bit Guy,
did an interesting video
(embedded below the break) on the time line of PC graphics cards from CGA through to EGA. Not only does he explain the different offerings of the day, but also proceeds to demonstrate most of them.
It’s interesting to learn about some of the video modes that w... | 25 | 10 | [
{
"comment_id": "6548589",
"author": "L",
"timestamp": "2022-12-12T09:10:38",
"content": "Ah the M24. I wrote a charting program for that and got a prize in high-school, by writing my own graphics driver. It also had a graphics mode that was not documented, but you could figure it out by reading the... | 1,760,372,468.418757 | ||
https://hackaday.com/2022/12/11/laser-projector-needs-hardware-hack-after-software-mod/ | Laser Projector Needs Hardware Hack After Software Mod | Robin Kearey | [
"Laser Hacks",
"Repair Hacks"
] | [
"bricked",
"firmware hack",
"laser projector",
"RGB laser"
] | You probably recognize that dreadful feeling when you reboot a gadget after updating its firmware, only to be greeted by a blank screen and an unresponsive device. This apparently happened to the previous owner of
a bricked RGB laser projector that [Buy It Fix It] got his hands on
: it briefly flashed its laser on powe... | 13 | 5 | [
{
"comment_id": "6548494",
"author": "stappers",
"timestamp": "2022-12-12T06:25:13",
"content": "Nice hack",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6548623",
"author": "Stuart Longland",
"timestamp": "2022-12-12T10:04:39",
"content": "I guess... | 1,760,372,468.252501 | ||
https://hackaday.com/2022/12/11/see-what-youre-in-for-when-buying-and-moving-a-lathe/ | See What You’re In For When Buying And Moving A Lathe | Donald Papp | [
"News",
"Tool Hacks"
] | [
"dolly",
"heavy",
"hoist",
"lathe",
"machine tools",
"moving"
] | Sometimes, with patience and luck, one can score a sweet deal on machinery. But for tools that weigh many hundreds of pounds? Buying it is only the beginning of the story. [Ben Katz] recently got a lathe and shared a peek at what was involved in
moving a small (but still roughly 800 pound) Clausing 4901 lathe into its ... | 46 | 15 | [
{
"comment_id": "6548378",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-12T03:20:28",
"content": "A lathe is like a boat. You’re most happy on the days when you buy it and when you finally sell it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,468.504777 | ||
https://hackaday.com/2022/12/09/ultimate-game-and-watch-has-support-for-nes/ | Ultimate Game And Watch Has Support For NES | Bryan Cockfield | [
"Games"
] | [
"3d printed",
"case",
"emulator",
"game and watch",
"game boy",
"nes",
"nintendo",
"raspberry pi",
"retro",
"screen"
] | We’ve talked about feature creep plenty of times around here, and it’s generally regarded as something to be avoided when designing a prototype. It might sound good to have a lot of features in a build, but this often results in more complexity and more difficulty when actually bringing a project to fruition. [Brendan]... | 2 | 1 | [
{
"comment_id": "6546818",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-10T15:07:14",
"content": "Strapped to one’s wrist, that watch would make it difficult to don/doff a coat.Feature creep indeed!B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,468.356312 | ||
https://hackaday.com/2022/12/09/clean-slate-is-a-vintage-amplifier-inspired-pc/ | Clean Slate Is A Vintage Amplifier-Inspired PC | Navarre Bartz | [
"computer hacks",
"hardware"
] | [
"casemod",
"casemodder",
"casemodding",
"casemods",
"Micro-ATX"
] | Hacks that bring a vintage flair to modern electronics never get old, and [Jeffrey Stephenson] delivers with his
Project Clean Slate
inspired by vintage tube amps.
Thinking outside the traditional single box PC, [Jeffrey] built his computer into a series of component-specific boxes all attached to a platform housing th... | 9 | 6 | [
{
"comment_id": "6546821",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-10T15:09:32",
"content": "Sweet!A non portable (within means) cyberdeck!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6546939",
"author": "Phil",
"times... | 1,760,372,468.549761 | ||
https://hackaday.com/2022/12/09/properly-pipe-laser-light-around-with-homebrew-fiber-couplings/ | Properly Pipe Laser Light Around With Homebrew Fiber Couplings | Dan Maloney | [
"Laser Hacks"
] | [
"bayonet",
"collimator",
"coupling",
"fiber",
"fiber optic",
"laser",
"st"
] | It’s a rare person who can pick up a cheap laser pointer and not wield it like a lightsaber or a phaser, complete with sound effects. There’s just something about the “pew-pew” factor that makes projecting a laser beam fun, even if it’s not the safest thing to do, or the most efficient way to the light from one place t... | 6 | 2 | [
{
"comment_id": "6546170",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-10T01:17:10",
"content": "Can we get HaD readers to help [Dan Maloney] out with an alliterative Title for this article?It looked like he started out with one, but gave up after 2 words.B^)",
"parent... | 1,760,372,468.591672 | ||
https://hackaday.com/2022/12/09/printed-propeller-blades-repair-indoor-flyer/ | Printed Propeller Blades Repair Indoor Flyer | Tom Nardi | [
"classic hacks",
"Repair Hacks"
] | [
"3D printed parts",
"annealing",
"propeller",
"rubber band"
] | Fair warning for readers with a weak stomach, the video below graphically depicts an innocent rubber band airplane being obliterated in mid-air by a smug high-tech RC helicopter. It’s a shocking display of airborne class warfare, but the story does have a happy ending, as [Concrete Dog] was able to repair his old schoo... | 5 | 3 | [
{
"comment_id": "6546140",
"author": "HaHa",
"timestamp": "2022-12-10T00:45:15",
"content": "Indoor free flight prop blades are usually made of built up balsa strips covered in clear plastic. As are the planes themselves. Props are relatively large, slow turning things.They are not very stressed.It’... | 1,760,372,468.635633 | ||
https://hackaday.com/2022/12/09/an-open-source-powerpc-notebook-edges-closer/ | An Open Source PowerPC Notebook Edges Closer | Jenny List | [
"computer hacks"
] | [
"laptop",
"powerpc",
"PowerPC laptop"
] | Back in 2020, we reported on the effort to create a brand new open-source laptop platform using the PowerPC architecture. At the time they had big plans and a PCB design, and we’re very pleased to report that in the intervening two years they’ve progressed to the point of
now having some real prototypes ready for testi... | 21 | 10 | [
{
"comment_id": "6545830",
"author": "5tjui5r67yu5",
"timestamp": "2022-12-09T19:37:37",
"content": "Is such a laptop more energy efficient than an arm? If not, I don’t know if I would buy one.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6559854",
... | 1,760,372,468.692367 | ||
https://hackaday.com/2022/12/09/ask-hackaday-will-your-2030-car-have-am-radio/ | Ask Hackaday: Will Your 2030 Car Have AM Radio? | Al Williams | [
"Current Events",
"Featured",
"News",
"Rants",
"Slider"
] | [
"am radio",
"car radio"
] | Car makers have been phasing out AM radios in their cars for quite some time. Let’s face it, there isn’t much on AM these days, and electric vehicles have been known to cause interference with AM radios. So why have them? For that matter, many aftermarket head units now don’t even have radios at all. They play digital ... | 171 | 50 | [
{
"comment_id": "6545741",
"author": "Piotrsko",
"timestamp": "2022-12-09T18:13:49",
"content": "Could it be all the Government public emergency high power transmission is AM? Or that would it be easier to hack AM after said national disaster",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,372,468.990302 | ||
https://hackaday.com/2022/12/09/hackaday-podcast-196-flexing-hard-pcbs-dangers-of-white-filament-and-the-jetsons-kitchen-computer/ | Hackaday Podcast 196: Flexing Hard PCBs, Dangers Of White Filament, And The Jetsons’ Kitchen Computer | Tom Nardi | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi start the Hackaday Podcast by talking about another podcast that’s talking about…Hackaday. Or more accurately, the recent Hackaday Supercon. After confirming the public’s adoration, conversation moves on to designing flexible PCBs with code, addin... | 1 | 1 | [
{
"comment_id": "6547323",
"author": "cmholm",
"timestamp": "2022-12-11T02:01:29",
"content": "You couldn’t hear me talking back to my earbud: Neiman Marcus was and is (perhaps unexpectedly) still a high end department store, which still publishes the Christmas Book catalog like the one featuring th... | 1,760,372,469.625754 | ||
https://hackaday.com/2022/12/10/lisp-runs-this-microcontroller-pendant/ | Lisp Runs This Microcontroller Pendant | Bryan Cockfield | [
"Software Hacks"
] | [
"Atmel",
"attiny",
"attiny3227",
"interpreter",
"lisp",
"microcontroller",
"pendant",
"star",
"ulisp",
"wearable"
] | As a programming language, Lisp has been around longer than any other active language except for Fortran. To anyone who regularly uses it, it’s easy to see why: the language allows for new syntax and macros to be created fluidly, which makes it easy to adapt it to new situations,
like running it on a modern Atmel micro... | 20 | 8 | [
{
"comment_id": "6547372",
"author": "SB5",
"timestamp": "2022-12-11T03:21:17",
"content": "I have to wonder about the resources this Lisp interpreter has compared to the one Guy Steele wrote for the IBM 1130 with 16K words (32Kbytes)back in the 1970’s. I will guess it takes less than 7 hours to com... | 1,760,372,469.677403 | ||
https://hackaday.com/2022/12/10/gaze-upon-the-swimming-mechanical-stingray-made-with-lego/ | Gaze Upon The Swimming Mechanical Stingray, Made With LEGO | Donald Papp | [
"Robots Hacks"
] | [
"lego",
"motorized",
"stringray",
"swimming",
"Technics",
"underwater"
] | Stingrays have an elegant, undulating swimming motion that can be hypnotic. [Vimal Patel] re-created this harmony with his
fantastic mechanical mechanical stingray
using LEGO pieces and a LEGO Technics Power Functions motor. The motor is set in a clever arrangement that drives the motion remotely, so that it and electr... | 5 | 2 | [
{
"comment_id": "6547349",
"author": "Mr Name Required",
"timestamp": "2022-12-11T02:42:40",
"content": "Love it! It looks so cool swimming along.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6547357",
"author": "The Commenter Formerly Known As Ren... | 1,760,372,469.198976 | ||
https://hackaday.com/2022/12/10/retro-alarm-clock-with-nixies-is-thoroughly-modern-inside/ | Retro Alarm Clock With Nixies Is Thoroughly Modern Inside | Robin Kearey | [
"clock hacks"
] | [
"alarm clock",
"current source",
"nixie",
"nixie clock"
] | We feature a lot of clocks here at Hackaday, but
alarm
clocks seem to be less popular for some reason. Maybe that’s because no-one enjoys being woken up in the morning, or simply because everyone uses their smartphone for that purpose already. In any case, we’re delighted to bring you [Manuel Tosone]’s
beautiful Nixie ... | 12 | 6 | [
{
"comment_id": "6547128",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-10T21:38:08",
"content": "If I used my smartphone to wake me up, then what would the alarm clock be used for?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "654... | 1,760,372,469.349901 | ||
https://hackaday.com/2022/12/10/old-school-video-switching-levels-up-with-modern-usb-control/ | Old-School Video Switching Levels Up With Modern USB Control | Donald Papp | [
"classic hacks",
"Microcontrollers"
] | [
"composite",
"interfacing",
"usb",
"video switcher",
"vintage"
] | Video effects and mixing are done digitally today, but it wasn’t always so. When analog ruled the video world, a big switch panel was key to effective results.
VIdeo like this was the result of combining different analog feeds with different effects. The better the hardware, the more was possible.
Devices like [Glen]’s... | 13 | 6 | [
{
"comment_id": "6547083",
"author": "Doctor Duck",
"timestamp": "2022-12-10T20:37:09",
"content": "Ah, the GVG 300, a mainstay of scifi films, standing in for the control surfaces of reactors and space ships for years. One push of the mix lever could beam you to the moon and back, with a neat risin... | 1,760,372,469.253097 | ||
https://hackaday.com/2022/12/10/fossil-files-my-emacs/ | Fossil Files: My .Emacs | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"cargo cult",
"Emacs",
"lisp",
"newsletter"
] | Last week, I
wrote about cargo culting in a much more general context
, so this week I’m going to come clean. The file that had me thinking about the topic was the worst case you’ve probably ever seen: I have a
.emacs
file kicking around that I haven’t really understood since I copied it from someone else – probably Be... | 63 | 32 | [
{
"comment_id": "6546835",
"author": "nope",
"timestamp": "2022-12-10T15:22:12",
"content": "Lisp of all languages!https://michaelnielsen.org/ddi/lisp-as-the-maxwells-equations-of-software/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6546853",
"author":... | 1,760,372,469.585829 | ||
https://hackaday.com/2022/12/10/flipper-zero-hacker-tool-gets-ui-editor-for-custom-apps/ | Flipper Zero Hacker Tool Gets UI Editor For Custom Apps | Donald Papp | [
"handhelds hacks",
"Software Development"
] | [
"design tool",
"flipper zero",
"gui",
"WYSIWYG"
] | [Mikhail] released
a handy GUI editor/generator tool
for the Flipper Zero multipurpose hacker tool, making layouts and UI elements much easier and more intuitive to craft up.
Those who decide to delve into rolling their own applications or add-ons will find this a handy resource, especially as it generates the necessar... | 12 | 1 | [
{
"comment_id": "6546796",
"author": "Carpespasm",
"timestamp": "2022-12-10T14:44:01",
"content": "Shame they can’t get their shipments through US customs, and their sales site feels sketchy. I’d love to get my hands on one. Seems like mayyybe they’ll be back in stock for US sale mid to late decembe... | 1,760,372,469.296666 | ||
https://hackaday.com/2022/12/10/using-github-actions-to-brew-coffee/ | Using GitHub Actions To Brew Coffee | Bryan Cockfield | [
"home hacks"
] | [
"automatic",
"ble",
"bluetooth",
"bluetooth low energy",
"coffee",
"delonghi",
"wireless"
] | It’s getting harder and harder to think of a modern premium-level appliance that doesn’t come with some level of Internet connectivity. These days it seems all but the cheapest refrigerators, air purifiers, and microwaves include wireless capabilities — unfortunately they’re often poorly implemented or behind a proprie... | 27 | 12 | [
{
"comment_id": "6546570",
"author": "Daniel",
"timestamp": "2022-12-10T09:42:32",
"content": "It feels like we have come full circle; From watching a coffee pot on the first webcam (Trojan Room coffee pot) to controlling it.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,469.40975 | ||
https://hackaday.com/2022/12/08/drlcd-is-here-to-give-your-msla-printer-a-checkup/ | DrLCD Is Here To Give Your MSLA Printer A Checkup | Tom Nardi | [
"3d Printer hacks"
] | [
"compensation",
"masked SLA",
"UV LED"
] | Over the last couple years, we’ve seen an absolute explosion of masked stereolithography (MSLA) 3D printers that use an LCD screen to selectively block UV light coming from a powerful LED array. Combined with a stepper motor that gradually lifts the build plate away from the screen, this arrangement can be used to prod... | 11 | 3 | [
{
"comment_id": "6545201",
"author": "Thomas Anderson",
"timestamp": "2022-12-09T08:10:59",
"content": "Maybe you could use the generated image to print a physical compensation mask on a sheet of transparency. It would darken the bright spots evening out the light.",
"parent_id": null,
"dept... | 1,760,372,469.730419 | ||
https://hackaday.com/2022/12/08/the-robots-of-fukushima-going-where-no-human-has-gone-before-and-lived/ | The Robots Of Fukushima: Going Where No Human Has Gone Before (And Lived) | Ryan Flowers | [
"Robots Hacks"
] | [
"Fukushima",
"Nuclear Reactor",
"radiation",
"robotics",
"robots"
] | The idea of sending robots into conditions that humans would not survive is a very old concept. Robots don’t heed oxygen, food, or any other myriad of human requirements. They can also be treated as disposable, and they can also be radiation hardened, and they can physically fit into small spaces. And if you just happe... | 9 | 5 | [
{
"comment_id": "6545129",
"author": "macsimski",
"timestamp": "2022-12-09T06:38:44",
"content": "Difficult environment to work in. Sounds like a better frontier than going to mars.Btw: nucleair proponents not home right now? What a pity…",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,470.256828 | ||
https://hackaday.com/2022/12/08/build-a-better-mousetrap-but-it-better-be-better/ | Build A Better Mousetrap… But It Better Be Better! | Al Williams | [
"car hacks",
"Hackaday Columns",
"Rants",
"Slider"
] | [
"cars",
"Rant"
] | As creative problem solvers, we like to “think outside the box,” and we should strive for that. But what happens if your strange idea isn’t kept in check by cooler heads? There is a real danger — especially if you work alone — to falling so in love with your idea, that you lose sight of what it really means to be bette... | 22 | 6 | [
{
"comment_id": "6544588",
"author": "Obviously solid state drives can sustain a bit more g-force than playing CDs.",
"timestamp": "2022-12-08T18:40:51",
"content": "We did make many CD players that played in the car but also initially skipped pretty much anytime the car moved much or hit a bump. So... | 1,760,372,469.916107 | ||
https://hackaday.com/2022/12/08/a-very-tidy-atx-bench-psu/ | A Very Tidy ATX Bench PSU | Jenny List | [
"Tool Hacks"
] | [
"atx psu",
"bench power supply",
"power supply"
] | If there’s one thing that for decades of desktop PCs have given us, it’s a seemingly endless supply of relatively capable power supplies. If you need 5 volts or 12 volts at a respectable current they’re extremely useful, so quite a few people have used them as bench power supplies. Some of these builds box up the mess ... | 20 | 7 | [
{
"comment_id": "6544535",
"author": "SRK",
"timestamp": "2022-12-08T16:50:22",
"content": "It might be pretty but it’s still cost optimized switching PSU with enough ripple to trigger TTLs when under no load. There’s a reason why electronic boards inside computer have so much capacitors it’s unbeli... | 1,760,372,469.861267 | ||
https://hackaday.com/2022/12/08/singapore-branches-out-into-internet-of-trees/ | Singapore Branches Out Into Internet Of Trees | Kristina Panos | [
"Featured",
"green hacks",
"Interest",
"News",
"Original Art",
"Slider"
] | [
"dendrometer",
"IoT",
"tree health",
"trees"
] | Five years ago, a 38-year-old woman was enjoying an outdoor concert with her family with one of her twin infants in her arms. In the week prior, it had been windy and rainy, but today, the weather was nice, and the concert was crowded. Without warning,
a 270-year-old tembusu tree fell on the woman
, pinning and ultimat... | 18 | 7 | [
{
"comment_id": "6544540",
"author": "Collie147",
"timestamp": "2022-12-08T16:58:58",
"content": "While I appreciate the value add in this survey and monitoring system from an ecological study point of view, and I know a life has infinite value (outside of courts, insurance and certain parts of the ... | 1,760,372,469.977536 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.