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/2022/08/17/were-hiring-come-join-us-6/ | We’re Hiring: Come Join Us! | Elliot Williams | [
"Hackaday Columns",
"Slider"
] | [
"contributor",
"hiring"
] | You wake up in the morning, and check Hackaday over breakfast. Then it’s off to work or school, where you’ve already had to explain the Jolly Wrencher to your shoulder-surfing colleagues. And then to a hackspace or back to your home lab, stopping by the skull-and-cross-wrenches while commuting, naturally. You don’t ble... | 37 | 9 | [
{
"comment_id": "6503772",
"author": "Elliot Williams",
"timestamp": "2022-08-17T16:19:26",
"content": "You must also understand that not everyone knows everything, and have the patience to deal with the personality flaws of those who think they do.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,598.965179 | ||
https://hackaday.com/2022/08/14/hackaday-prize-2022-solar-harvesting-esp32-camera-is-waterproof-repeatable/ | Hackaday Prize 2022: Solar-Harvesting ESP32 Camera Is Waterproof, Repeatable | Arya Voronova | [
"digital cameras hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"BQ25504",
"ESP32-CAM",
"ESP32-S",
"solar harvesting",
"waterproof"
] | [alberto nunez] shows off his sleek build of a
solar-harvesting ESP32 camera
– waterproof, somewhat energy-efficient, and able to be built by more-or-less anyone. For that, he’s chosen fairly jellybean components – an ESP32-CAM module with a matching protoboard, a small solar cell, a LiFePO4 battery, and a waterproofed... | 1 | 1 | [
{
"comment_id": "6502922",
"author": "cncFriend",
"timestamp": "2022-08-14T20:44:33",
"content": "Great and doable project. Congrats",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,598.809724 | ||
https://hackaday.com/2022/08/14/this-snake-has-legs/ | This Snake Has Legs | Adam Fabio | [
"Robots Hacks"
] | [
"allen pan",
"Animals",
"mech",
"robot",
"snake"
] | [Allen Pan] loves snakes. He loves them so much that he’s decided to play god, throwing away millions of years of evolution —
just to give snakes back the legs
they’ve “lost”.
Ok, so this hack has tongue planted firmly in cheek, but it’s still pretty darn cool. [Allen] designed and 3D printed what can best be described... | 13 | 7 | [
{
"comment_id": "6502849",
"author": "Bob Coggeshall",
"timestamp": "2022-08-14T15:50:13",
"content": "Everyone’s thinking it: Was it written in Python? (Da bum tsssss)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6502869",
"author": "Steven",
"times... | 1,760,372,599.352494 | ||
https://hackaday.com/2022/08/14/hoverboard-go-kart-build-is-a-delight-to-watch/ | Hoverboard Go-Kart Build Is A Delight To Watch | Arya Voronova | [
"Toy Hacks",
"Transportation Hacks"
] | [
"electric go kart",
"go-kart",
"gokart",
"hoverboard",
"mini go kart"
] | Hoverboards have been an indispensable material for hackers building their own vehicles in the last few years. [Mahmut Demir] shows how he’s built
a hoverboard-powered go-kart for his son.
Unable to hack the board’s firmware, he instead set out to reuse the hoverboard without any disassembly, integrating it into the go... | 4 | 3 | [
{
"comment_id": "6502831",
"author": "Miles",
"timestamp": "2022-08-14T14:23:53",
"content": "Only possible way to make it better is vectored steering. Ala ‘cutting brakes’ popular on dune buggies and tractors.On the dune buggy it is one or two levers that can apply braking action to only one rear ... | 1,760,372,598.892174 | ||
https://hackaday.com/2022/08/14/just-how-good-is-a-tape-measure-antenna-anyway/ | Just How Good Is A Tape Measure Antenna Anyway? | Dan Maloney | [
"Radio Hacks"
] | [
"carbon steel",
"copper",
"FEMM",
"finite element method magnetics",
"permittivity",
"skin effect",
"tape measure"
] | Amateur radio operators have played a longstanding game of “Will It Antenna?” If there’s something even marginally conductive and remotely resonant, a ham has probably tried to make an antenna out of it. Some of these expedient antennas actually turn out to be surprisingly effective, but as we can see from
this in-dept... | 36 | 15 | [
{
"comment_id": "6502769",
"author": "steelman",
"timestamp": "2022-08-14T08:18:07",
"content": "at lower frequencies on conductors with a round cross-section turns out to be not a huge problemI believe “at higher frequencies” fits better here.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,372,599.430535 | ||
https://hackaday.com/2022/08/13/remember-dab-radio-the-psion-wavefinder-gets-a-teardown/ | Remember DAB Radio? The Psion WaveFinder Gets A Teardown | Jenny List | [
"Radio Hacks"
] | [
"DAB",
"Psion",
"wavefinder"
] | With digital music making a clean sweep in the 1990s over almost all listening media, it’s a surprise to find that there’s one area in which an analog hold-out is still very much alive and kicking. We’re talking not of a vinyl resurgence here but of FM radio, which has managed to effectively hold off its digital compet... | 16 | 9 | [
{
"comment_id": "6502732",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-14T03:06:24",
"content": "1990s eh?It looks like a prop from a B-grade 1950s Sci-fi movie.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6502753",
"author": ... | 1,760,372,599.493723 | ||
https://hackaday.com/2022/08/13/testing-a-laser-cut-wrench-vs-a-forged-wrench/ | Testing A Laser Cut Wrench VS A Forged Wrench | Al Williams | [
"cnc hacks",
"Tool Hacks"
] | [
"Laser cutting",
"tools",
"wrench"
] | It is easy to not think much about common tools like screwdrivers and wrenches. But not for [Torque Test Channel]. The channel does a lot of testing of tools and in the video, below, they
test a new wrench
that is, oddly enough, laser cut instead of forged like the usual wrench.
You would expect a machined wrench to be... | 30 | 6 | [
{
"comment_id": "6502687",
"author": "Hirudinea",
"timestamp": "2022-08-13T23:48:44",
"content": "Makes me wonder if you could make these on a waterjet cutter, and how much a used waterjet cutter is?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6502780",
... | 1,760,372,599.035343 | ||
https://hackaday.com/2022/08/13/the-286-gives-up-one-of-its-final-secrets/ | The 286 Gives Up One Of Its Final Secrets | Jenny List | [
"Retrocomputing"
] | [
"286",
"80286",
"intel",
"undocumented instructions"
] | Though it is largely forgotten today, the Intel 80286 was for a while in the 1980s the processor of choice and designated successor to the 8086 in the world of PCs. It brought a new mode that could address up to 16 Mb of memory, and a welcome speed boost over machines using an 8086 or 8088. As with many microprocessors... | 115 | 27 | [
{
"comment_id": "6502655",
"author": "Romilly Cocking",
"timestamp": "2022-08-13T20:08:22",
"content": "Coherent was a unix-likevOS that ran on the 286. It was my first encounter with a pipe and filters command line.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,372,599.301918 | ||
https://hackaday.com/2022/08/13/an-amstrad-nc100-has-a-new-purpose-in-life/ | An Amstrad NC100 Has A New Purpose In Life | Jenny List | [
"Cyberdecks"
] | [
"Amstrad",
"Amstrad NC100",
"cyberdeck"
] | We’re used to laptop computers featuring flip-up screens; this article is being written on one and it’s probable you’re reading it on another one. But there’s another laptop form factor that has gained legions of fans ever since the days of the TRS-80 Model 100, the flat slab with no hinge and both keyboard and display... | 3 | 1 | [
{
"comment_id": "6502624",
"author": "Michael Black",
"timestamp": "2022-08-13T17:07:51",
"content": "But one of the most important accessories for the Model 100 were a pair of feet to raise the back of the computer, giving you better angle to see the screen. I was never sure if it was deliberately... | 1,760,372,598.848608 | ||
https://hackaday.com/2022/08/13/how-do-you-build-a-tradition/ | How Do You Build A Tradition? | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"contests",
"Culture",
"education"
] | I was struck by reading
our writeup of the Zenit in Electronics contest
– an annual event in the Slovak Republic – that it’s kind of like a decathlon for electronic engineers and/or hardware hackers. It’s a contest, in which students compete presumably initially on a local level, and then up to 32 at the national level... | 6 | 2 | [
{
"comment_id": "6502610",
"author": "Klaws",
"timestamp": "2022-08-13T16:22:43",
"content": "Never heard of this event, but, yes, it’s amazing that it’s still around and alive since 1984. Unlike a lot of magazines – back in the 1980s, there were a lot of electronics magazines targeted at the hobbyi... | 1,760,372,598.770192 | ||
https://hackaday.com/2022/08/13/air-filter-drm-hacker-opts-out-with-nfc-sticker/ | Air Filter DRM? Hacker Opts Out With NFC Sticker | Donald Papp | [
"home hacks",
"Reverse Engineering"
] | [
"air filter",
"air purifier",
"NFC",
"NFC tag",
"reverse engineering",
"xiaomi"
] | [Flamingo-tech]’s Xiaomi air purifier has a neat safety feature: it will refuse to run if a filter needs replacement. Of course, by “neat” we mean “annoying”. Especially when the purifier sure seems to judge a filter to be useless much earlier than it should. Is your environment relatively clean, and the filter still h... | 55 | 19 | [
{
"comment_id": "6502529",
"author": "ngaseo",
"timestamp": "2022-08-13T11:36:13",
"content": "There’s little point investing time for better DRM in devices like this. You may hack it but 100,000 Karens will rush to buy new filter as soon as some stupid red light comes on. As it is in the joke where... | 1,760,372,599.595361 | ||
https://hackaday.com/2022/08/13/the-chip-shortage-leads-to-the-strangest-things/ | The Chip Shortage Leads To The Strangest Things | Jenny List | [
"Parts"
] | [
"bill of material",
"chip shortage",
"production error"
] | The global chip shortage has not made the life of the electronic design engineer an easy one, as products have been designed around whatever parts are available rather than the first choices. This has manifested itself in some unexpected ways, including as [CNX software] investigates,
products whose multiple-choice bil... | 19 | 11 | [
{
"comment_id": "6502498",
"author": "Anonymous Mouse",
"timestamp": "2022-08-13T08:23:51",
"content": "So that explains why OKDO’s launch of this new “amazing” Pi competitor has been delayed.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6502517",
"autho... | 1,760,372,600.146501 | ||
https://hackaday.com/2022/08/12/swarm-vs-iridium-which-satellite-iot-service-is-right-for-you/ | Swarm Vs. Iridium: Which Satellite IoT Service Is Right For You? | Dan Maloney | [
"Tech Hacks"
] | [
"downlink",
"IoT",
"iridium",
"satellite",
"shoot-out",
"swarm",
"uplink"
] | In a world where it seems like everyone’s face is glued to a device screen, the idea that wireless service might be anything other than universal seems just plain silly. But it’s not, as witnessed by vast gaps in cell carrier coverage maps, not to mention the 70% of the planet covered by oceans. The lack of universal c... | 15 | 8 | [
{
"comment_id": "6502474",
"author": "MrSVCD",
"timestamp": "2022-08-13T06:08:58",
"content": "How does these things handle encryption/authentication to the iot server? Could normal TLS be used?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6502479",
... | 1,760,372,599.699621 | ||
https://hackaday.com/2022/08/12/svelte-vr-headsets-coming/ | Svelte VR Headsets Coming? | Al Williams | [
"News",
"Virtual Reality"
] | [
"vr",
"vr headset"
] | According to Standford and NVidia researchers, VR adoption is slowed by the bulky headsets required. They want to offer
a slim solution
. A SIGGRAPH paper earlier this year lays out their plan or you can watch the video below. There’s also a second video, also below, covers some technical questions and answers.
The tra... | 20 | 6 | [
{
"comment_id": "6502436",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-13T02:32:30",
"content": "I don’t want AR/VR!I want a low cost, lightweight, unobtrusive HUD!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6502443",
"... | 1,760,372,599.651319 | ||
https://hackaday.com/2022/08/12/local-simulation-feature-to-be-removed-from-all-autodesk-fusion-360-versions/ | Local Simulation Feature To Be Removed From All Autodesk Fusion 360 Versions | Maya Posch | [
"News",
"Software Hacks"
] | [
"autodesk",
"cad",
"Fusion 360"
] | The removal of features from Autodesk products would appear to be turning into something of a routine at this point, with the announced
removal of local simulations
the latest in this series. Previously Autodesk had severely
cut down
the features available with a Personal Use license, but these latest changes (effectiv... | 180 | 48 | [
{
"comment_id": "6502396",
"author": "Borja",
"timestamp": "2022-08-12T23:06:58",
"content": "So… how to squeeze more money out of the client/users. To be honest, at this point, from Autodesk nothing is a surprise",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,372,600.480748 | ||
https://hackaday.com/2022/08/12/homebrew-biped-bot-shows-off-some-impressive-moves/ | Homebrew Biped Bot Shows Off Some Impressive Moves | Tom Nardi | [
"Robots Hacks"
] | [
"biped",
"self balancing",
"Self Balancing Robot"
] | We’ve seen enough DIY robotic platforms here on Hackaday to know that most of them take the literal and figurative path of least resistance. That is, they tend to be some type of wheeled rover. But of course, there are plenty of other forms of locomotion, should you want to take on something a bit more challenging.
Thi... | 6 | 2 | [
{
"comment_id": "6502400",
"author": "orange",
"timestamp": "2022-08-12T23:15:14",
"content": "Looks really cool.I looked at the parts list. It is certainly *interesting* what happened in my brain as I started adding up the costs of the various parts as I’m reading an article stressing easily access... | 1,760,372,599.986503 | ||
https://hackaday.com/2022/08/12/hackaday-prize-2022-solar-power-through-pyrolysis/ | Hackaday Prize 2022: Solar Power Through Pyrolysis | Jenny List | [
"green hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"pyrolysis",
"solar power",
"solar pyrolysis"
] | We’re all familiar with solar cells, be they photovoltaic, or for heating water. But they are only the more common ways of converting the sun’s energey into usable power, and to the extended list there is now an addition courtesy of [Dennis].
He’s using the sun to drive the pyrolysis of biomass waste, releasing hydroge... | 19 | 8 | [
{
"comment_id": "6502350",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-12T18:52:04",
"content": "So does this biochar work like activated charcoal and be used As a filtering agent?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "650... | 1,760,372,600.047029 | ||
https://hackaday.com/2022/08/12/cyberdeck-builders-talk-shop-in-roundtable-chat/ | Cyberdeck Builders Talk Shop In Roundtable Chat | Tom Nardi | [
"Cyberdecks",
"Hackaday Columns",
"Slider"
] | [
"cyberdeck",
"cyberpunk",
"Hack Chat"
] | In honor of our recently announced
2022 Cyberdeck Contest
, we decided to do things a little differently for this week’s Hack Chat. Rather than pick just one host, we looked back through the archive and selected some of the most impressive builds we’ve seen and asked their creators if they’d like to take part in a free... | 3 | 3 | [
{
"comment_id": "6502343",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-12T18:11:11",
"content": "Sorry I missed it!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6502385",
"author": "Nuxi",
"timestamp": "2022-08-12T22:25:56"... | 1,760,372,599.935916 | ||
https://hackaday.com/2022/08/12/hackaday-podcast-181-3d-printing-with-volcano-nuts-the-hackaday-bookshelf-and-a-puzzlebot/ | Hackaday Podcast 181: 3D Printing With Volcano Nuts, The Hackaday Bookshelf, And A Puzzlebot | Kristina Panos | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos convened in a secret location to say what we will about the choicest hacks of the past week. We kick things off by discussing the brand new
Cyberdeck contest
, which is the first of it’s type, but certainly won’t be the last. In other cont... | 4 | 2 | [
{
"comment_id": "6502320",
"author": "calculus",
"timestamp": "2022-08-12T16:17:35",
"content": "The media box on this post has episode 180 but the direct download link has episode 181.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6503108",
"author... | 1,760,372,600.093655 | ||
https://hackaday.com/2022/08/12/remove-a-speakers-voice-from-a-recording-using-ultrasound/ | Remove A Speaker’s Voice From A Recording Using Ultrasound | Maya Posch | [
"digital audio hacks"
] | [
"ultrasound",
"ultrasound jamming"
] | What if you could effectively prevent someone from recording your voice? This is the focus of a study by Guo et al. (2022) at Michigan State University, in which they use a dynamically calculated audio signal that
effectively cancels out one’s voice in a recording device
. This relies on an interesting aspect of certai... | 15 | 6 | [
{
"comment_id": "6502311",
"author": "Darren",
"timestamp": "2022-08-12T15:27:18",
"content": "A sound of sufficient intensity outside of the human hearing, would probably in most devices cause the ALC to lower the volume so that recording is effectively impossible. Most devices won’t filter the inp... | 1,760,372,600.698242 | ||
https://hackaday.com/2022/08/12/this-week-in-security-breaches-aepic-squip-and-symbols/ | This Week In Security: Breaches, ÆPIC, SQUIP, And Symbols | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"microsoft",
"SQUIP",
"This Week in Security",
"ÆPIC"
] | So you may have gotten
a Slack password reset prompt
. Something like half a percent of Slack’s userbase had their password hash potentially exposed due to an odd bug. When sending shared invitation links, the password hash was sent to other members of the workspace. It’s a bit hard to work out how this exact problem h... | 9 | 3 | [
{
"comment_id": "6502297",
"author": "X",
"timestamp": "2022-08-12T14:17:03",
"content": "When the AI models start learning how to find hardware vulnerabilities we are all gonna be buying new computers on a regular basis. The engineers at Intel and AMD are clearly the keystone cops of computer secur... | 1,760,372,600.638881 | ||
https://hackaday.com/2022/08/12/young-inventor-builds-motor-without-rare-earths/ | Young Inventor Builds Motor Without Rare Earths | Al Williams | [
"Transportation Hacks"
] | [
"electric vehicle",
"motor",
"reluctance motor",
"science fair"
] | [Robert Sansone] is a 17-year-old from Florida and, like most of us, he likes to tinker. He’s apparently got the time for it because he’s completed at least 60 projects ranging from animatronic hands to a high-speed go-kart. However, his interest in electric vehicles coupled with his understanding of the issues around ... | 49 | 17 | [
{
"comment_id": "6502269",
"author": "rewolff",
"timestamp": "2022-08-12T12:00:23",
"content": "Currentl Synchronous reluctance motors run at 90+ percent efficiency.When this guy claims a 37% improvement in efficiency… I call bullshit.His measurements are wrong, he’s measuring something different. S... | 1,760,372,600.576214 | ||
https://hackaday.com/2022/08/12/tvout-library-brings-cardboard-arcade-to-life/ | TVout Library Brings Cardboard Arcade To Life | Orlando Hoilett | [
"classic hacks",
"Games"
] | [
"arcade",
"bandai",
"namco",
"taito",
"Tomohiro Nishikado"
] | Recycling old CRTs is a true Hackaday tradition, and [Rob’s]
mini arcade is sure to grab your attention
.
First of all, you’ll probably appreciate [Rob] circumventing the supply shortage by getting all his components from recycled material. That’s probably the only way to get anything these days. He salvaged a small CR... | 12 | 5 | [
{
"comment_id": "6502251",
"author": "peek",
"timestamp": "2022-08-12T10:15:32",
"content": "Wait, he found resistors online !But where and how did he do this ?Joking aside, good construction, simple and effective.Well done.",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,372,600.74103 | ||
https://hackaday.com/2022/08/11/a-portable-computer-living-in-1988-but-also-in-the-future/ | A Portable Computer Living In 1988 But Also In The Future | Matthew Carlson | [
"computer hacks",
"Cyberdecks"
] | [
"amd",
"cyberdeck",
"retro computer",
"sleeper pc"
] | Every once in a while, there will be a project that is light on details but inundated with glorious, drool-worthy pictures. [Nexaner7] recently showed off his
cyberdeck he built over a year inside an old LCD-386
. So what’s special about it? This isn’t just a Raspberry Pi or some SBC inside but a complete AMD Ryzen 560... | 35 | 10 | [
{
"comment_id": "6502216",
"author": "philosiraptor117",
"timestamp": "2022-08-12T05:36:24",
"content": "ooh thats hawt.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6502227",
"author": "wibble",
"timestamp": "2022-08-12T06:39:25",
"content": "I’... | 1,760,372,600.814388 | ||
https://hackaday.com/2022/08/11/hack-your-engine-virtually/ | Hack Your Engine Virtually | Al Williams | [
"car hacks"
] | [
"engine",
"internal combustion engine",
"simulation"
] | It is no secret that we like simulating circuits before we build something and there are plenty of great tools for that. But what about those of us who work on cars? Well, you might try
engine-sim
which is a real-time internal combustion engine simulation. Honestly, the program freely admits that it isn’t accurate enou... | 21 | 7 | [
{
"comment_id": "6502192",
"author": "Sam",
"timestamp": "2022-08-12T02:16:19",
"content": "I think this is great for learning some basics, well done to the author. However if you want to do any real engineering you’d be best sticking with Ricardo’s software or similar, which can do literally the en... | 1,760,372,600.876414 | ||
https://hackaday.com/2022/08/11/back-up-encrypted-zfs-data-without-decrypting-it-even-if-truenas-doesnt-approve/ | Back Up Encrypted ZFS Data Without Decrypting It, Even If TrueNAS Doesn’t Approve | Donald Papp | [
"Linux Hacks"
] | [
"backups",
"cloud storage",
"crontab",
"encryption",
"nas",
"TrueNAS",
"zfs"
] | [Michael Lynch] recently replaced his Synology NAS with a self-built solution built on ZFS, a filesystem with a neat feature: the ability to back up encrypted data without having to decrypt it first. The only glitch is that [Michael] is using TrueNAS, and TrueNAS only wants to back up unencrypted ZFS data to another Tr... | 9 | 5 | [
{
"comment_id": "6502220",
"author": "Ostracus",
"timestamp": "2022-08-12T06:04:40",
"content": "“As mentioned, this is something TrueNAS will handle by default, but only if the destination is also a TrueNAS system.”Wonder if that is a “pay for” feature.",
"parent_id": null,
"depth": 1,
... | 1,760,372,600.978316 | ||
https://hackaday.com/2022/08/11/presence-detecting-cushion-keeps-you-from-sitting-your-life-away/ | Presence-Detecting Cushion Keeps You From Sitting Your Life Away | Dan Maloney | [
"Medical Hacks"
] | [
"health",
"posture",
"presence",
"sensor",
"sitting",
"velostat"
] | They say that sitting is the new smoking. They’re wrong — smoking is much, much worse, for you than sitting, and smoking only while standing or while jogging around the block in no way to justify the habit. But they’re also not wrong that humans weren’t made for extended periods parked on their posteriors, but we do it... | 13 | 5 | [
{
"comment_id": "6502132",
"author": "Severe Tire Damage",
"timestamp": "2022-08-11T20:24:35",
"content": "I hear that sitting is the new smoking. People who say it isn’t are in denial.I’m not sure what the morbidly obese say, but they have some excuse also.",
"parent_id": null,
"depth": 1,... | 1,760,372,600.929105 | ||
https://hackaday.com/2022/08/11/want-to-use-a-classic-mac-mouse-on-a-modern-computer-no-heres-how-to-do-it-anyway/ | Want To Use A Classic Mac Mouse On A Modern Computer? No? Here’s How To Do It Anyway | Donald Papp | [
"Arduino Hacks",
"Peripherals Hacks",
"Retrocomputing"
] | [
"classic",
"diy",
"hid",
"mac",
"mouse",
"usb",
"vintage"
] | Need to hook a classic Mac mouse up to your modern machine with the help of a DIY USB adapter?
[John Floren] has you covered
. [John]’s solution uses a board with an ATmega32U4 microcontroller on it to connect to the Mac mouse on one end, and emulate a USB HID (Human Interface Device) on the other. A modern machine the... | 23 | 5 | [
{
"comment_id": "6502111",
"author": "Michael Black",
"timestamp": "2022-08-11T18:39:59",
"content": "There is no brains inside. Just some scmidt triggers to clean up the waveforms from the switch and the rotary wheels.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"commen... | 1,760,372,601.110818 | ||
https://hackaday.com/2022/08/11/haptic-baby-monitor-gets-the-wearers-attention/ | Haptic Baby Monitor Gets The Wearer’s Attention | Tom Nardi | [
"home hacks",
"Microcontrollers",
"Wearable Hacks"
] | [
"baby monitor",
"bluetooth",
"haptic feedback",
"vibration motor"
] | Anyone who’s ever slept through a morning’s alarm can tell you that sounds, even loud piercing ones, don’t always wake a person out of a deep sleep. Similarly, hearing a baby cry on the other side of the monitor might not always wake a parent up in the middle of the night. So what’s the solution? This
haptic baby monit... | 10 | 4 | [
{
"comment_id": "6502067",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-11T15:40:54",
"content": "He could avoid the possibility of the motor failing, and have the wrist strap a voltage shock instead.B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,601.04468 | ||
https://hackaday.com/2022/08/11/microsofts-new-simulator-helps-train-drone-ais/ | Microsoft’s New Simulator Helps Train Drone AIs | Lewin Day | [
"Current Events",
"drone hacks",
"Featured",
"Slider"
] | [
"ai",
"drone",
"simulation",
"simulator"
] | Testing any kind of project in the real world is expensive. You have to haul people and equipment around, which costs money, and if you break anything, you have to pay for that too! Simulation tends to come first. Making mistakes in a simulation is much cheaper, and the lessons learned can later be verified in the real... | 15 | 6 | [
{
"comment_id": "6502063",
"author": "BT",
"timestamp": "2022-08-11T15:28:32",
"content": "Rule #1: If they are running an illegal copy of Windows, cut their powerline!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6502065",
"author": "The Commenter Forme... | 1,760,372,601.418282 | ||
https://hackaday.com/2022/08/11/building-the-most-high-tech-pond-in-the-neighborhood/ | Building The Most High-Tech Pond In The Neighborhood | Tom Nardi | [
"home hacks"
] | [
"fish feeder",
"garden",
"pond",
"water measurement",
"water monitor"
] | What do you think of when you hear the word pond? If you’re like most people, it conjures up images of a simple water-filled hole in the ground, maybe with a few fish added in for good measure. But not [Anders Johansson] — his pond is a technical marvel,
utilizing more unique pieces of hardware and software
than many o... | 14 | 4 | [
{
"comment_id": "6502068",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-11T15:43:09",
"content": "Does it deliver a shock if a neighborhood cat tries to get a free lunch?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6502136",
... | 1,760,372,601.701006 | ||
https://hackaday.com/2022/08/11/loki-is-part-cyberdeck-part-sinclair-spectrum-and-pretty-tricky/ | Loki Is Part Cyberdeck, Part Sinclair Spectrum, And Pretty Tricky | Dan Maloney | [
"Cyberdecks"
] | [
"cyberdeck",
"FPGA ZX Uno",
"Loki",
"pico",
"raspberry pi",
"sinclair",
"spectrum"
] | You’ve got to watch out for Loki — he’s a trickster, after all, and he might make you think
this semi-cyberdeck mash-up machine
is named after him, when the backstory on this build is more interesting than anything in the current Marvel scene.
According to [Steve Anderson], Loki was the name of a mocked-up machine that... | 5 | 2 | [
{
"comment_id": "6502034",
"author": "irregularshed",
"timestamp": "2022-08-11T13:20:52",
"content": "Hey, it’s Steve here 👋Loki would’ve been entered into the Cyberdeck contest if it were possible to actually enter the Cyberdeck contest! The page about it directs visitors to the Odd Inputs and Pec... | 1,760,372,601.460819 | ||
https://hackaday.com/2022/08/10/a-deeper-dive-into-reverse-engineering-with-a-ct-scanner/ | A Deeper Dive Into Reverse Engineering With A CT Scanner | Dan Maloney | [
"Reverse Engineering"
] | [
"apollo",
"CAT scan",
"computed tomography",
"CT Scan",
"non-destructive",
"reverse engineering"
] | We’ve recently got a look at how [Ken Shirriff] used an industrial CT scanner as a reverse engineering tool. The results were spectacular, with pictures that clearly showed the internal arrangement of parts that haven’t seen the light of day since the module was potted back in the 60s. And now, [Ken]’s cohort [Curious ... | 6 | 4 | [
{
"comment_id": "6501937",
"author": "hinspect",
"timestamp": "2022-08-11T05:51:41",
"content": "I used to work with Food X-Ray systems which were basically modified baggage scanners. We were one of the first in the business. Conveyors and pumped through food grade pipes. The main business was to de... | 1,760,372,601.349236 | ||
https://hackaday.com/2022/08/10/your-micropython-board-can-be-your-tinkering-peripheral/ | Your MicroPython Board Can Be Your Tinkering Peripheral | Arya Voronova | [
"Microcontrollers",
"Software Hacks"
] | [
"firmata",
"micropython",
"python"
] | [Brian Pugh] has shared a cool new project that simultaneously runs on desktop Python and MicroPython –
the Belay library.
This library lets you control a MicroPython device seamlessly from your Python code – interacting with real-world things like analog/digital trinkets, servos, Neopixels and displays, without having... | 18 | 8 | [
{
"comment_id": "6501920",
"author": "MrRadiotron",
"timestamp": "2022-08-11T04:20:17",
"content": "Interpreted IOIO",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6501922",
"author": "Drone",
"timestamp": "2022-08-11T04:28:12",
"content": "Hmmm… D... | 1,760,372,601.640225 | ||
https://hackaday.com/2022/08/10/a-linear-actuator-entirely-in-one-pcb/ | A Fast Linear Actuator Entirely In One PCB | Jenny List | [
"hardware"
] | [
"linear actuator",
"PCB inductor",
"pcb motor"
] | There are many ways to make a linear actuator, a device for moving something is a straight line. Most of the easier to make ones use a conventional motor and a mechanical linkage such as a rack and pinion or a lead screw, but [Ben Wang] has gone for something far more elegant. His linear actuator uses a linear motor, a... | 18 | 10 | [
{
"comment_id": "6501894",
"author": "tonyvr",
"timestamp": "2022-08-11T01:14:51",
"content": "It seems neat, but I’m very confused about where the magnets are and why the steel plates are so huge.The CAD drawing sucks and doesn’t show any magnets, and the image is so small that you can’t see any de... | 1,760,372,601.893207 | ||
https://hackaday.com/2022/08/10/from-product-to-burnout-to-open-source-the-ergo-s-1-keyboard-story/ | From Product To Burnout To Open-Source: The Ergo S-1 Keyboard Story | Arya Voronova | [
"Peripherals Hacks"
] | [
"3d printed keyboard",
"3D printed mechanical keyboard",
"ergonomic keyboard",
"keyboard"
] | [Andrew] from [Wizard Keyboards] emailed us and asked if we were interested in his story of
developing an ergonomic keyboard as a product.
Many of us can relate to trying to bring one of our ideas to market. [Andrew], being a mechanical keyboard geek, knew a niche with no product to satisfy it, and had a vision he want... | 21 | 10 | [
{
"comment_id": "6501838",
"author": "Bruce",
"timestamp": "2022-08-10T20:40:02",
"content": "I guess developing anything worthwhile is a lot of work, if one is going to do it right.The first thing I noticed was no numeric (10 button) keypad. One of my pet beefs is the way the zero key on computer ... | 1,760,372,601.765233 | ||
https://hackaday.com/2022/08/10/a-merciless-environmental-monitoring-system/ | A Merciless Environmental Monitoring System | Tom Nardi | [
"Microcontrollers",
"Raspberry Pi"
] | [
"environmental monitor",
"environmental sensor",
"Raspberry Pi Pico",
"wireless sensors"
] | We’ve seen plenty of environmental monitoring setups here on Hackaday — wireless sensors dotted around the house, all uploading their temperature and humidity data to a central server hidden away in some closet. The system put together by [Andy] from
Workshopshed
is much the same, except this time
the server has been d... | 12 | 4 | [
{
"comment_id": "6501839",
"author": "Misterlaneous",
"timestamp": "2022-08-10T20:40:04",
"content": "If using an esp-01, you should still have a free pin to read the sensor. The pi pico seems extraneous",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6501912... | 1,760,372,601.834521 | ||
https://hackaday.com/2022/08/10/what-goes-into-a-hacker-camp/ | What Goes Into A Hacker Camp | Jenny List | [
"cons",
"Featured",
"Interest",
"Slider"
] | [
"hacker camps",
"logistics",
"MCH2022"
] | Long-time readers of Hackaday will know that we attend quite a few events, including summer hacker camps. Here in Europe this year there are two large events, the British Electromagnetic Field, and the Dutch MCH, or May Contain Hackers. These events are put together by volunteers from within the community, and as part ... | 10 | 6 | [
{
"comment_id": "6501824",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-10T19:58:48",
"content": "Okay, before reading this, I figured the infrastructure was all supplied by the hacking community.Yes, I can be quite naive at times.",
"parent_id": null,
"depth": 1,
... | 1,760,372,601.945263 | ||
https://hackaday.com/2022/08/10/heres-the-worlds-smallest-wood-plane-probably/ | Here’s The World’s Smallest Wood Plane…Probably | Tom Nardi | [
"Tool Hacks"
] | [
"miniature",
"plane",
"woodworking"
] | Admittedly, we aren’t really in a position to confirm whether or not the
miniature wood plane put together by [Daniel d’Entremont]
is actually the smallest in the world, but we’re willing to take his word for it. At the very least, we certainly haven’t seen a smaller one.
In the video below, [Daniel] crafts the diminut... | 17 | 7 | [
{
"comment_id": "6501750",
"author": "FuhzzyOne",
"timestamp": "2022-08-10T16:18:25",
"content": "My first thought was… how does that thing fly?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6501800",
"author": "Daniel",
"timestamp": "2022-0... | 1,760,372,602.000794 | ||
https://hackaday.com/2022/08/10/linux-fu-the-chrome-os-flex-virtualization/ | Linux Fu: The Chrome OS Flex Virtualization | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Slider"
] | [
"chrome",
"flex",
"Linux Fu"
] | The Flex Desktop is user-friendly and responsive
You’ve probably heard about Google Chromebooks. Like Android, Chrome OS is based on some variant of Linux, but it is targeted at the “cloud first” strategy so Chromebooks typically don’t have a huge amount of storage or compute power. If you have a real Chromebook, you c... | 50 | 24 | [
{
"comment_id": "6501702",
"author": "X",
"timestamp": "2022-08-10T14:31:55",
"content": "In case you are wondering, this sort of thing is done on purpose. Tech support is potentially a bottomless pit of money spending and staffing,. If a feature is supported then it needs an army behind it to under... | 1,760,372,602.219804 | ||
https://hackaday.com/2022/08/10/shouldve-used-a-555-or-276-of-them/ | Should’ve Used A 555 — Or 276 Of Them | Dan Maloney | [
"clock hacks",
"Parts"
] | [
"555",
"discrete",
"flip-flop",
"gate",
"latch",
"logic",
"should have used a 555",
"timer"
] | When asked to whip up a simple egg timer, most of us could probably come up with a quick design based on the ubiquitous 555 timer. Add a couple of passives around the little eight-pin DIP, put an LED on it to show when time runs out, and maybe even add a pot for variable timing intervals if we’re feeling fancy. Heck, m... | 33 | 11 | [
{
"comment_id": "6501639",
"author": "Rumble_in_the_Jungle",
"timestamp": "2022-08-10T11:07:27",
"content": "I get the 555 fetish and coolness factor.But this is on the edge of resource waste and depletion. HaD Prize for environment conservation and this box, is a bit schizophrenic.Or I’m getting ol... | 1,760,372,602.125053 | ||
https://hackaday.com/2022/08/10/a-steam-box-for-not-a-lot/ | A Steam Box For Not A Lot | Jenny List | [
"Tool Hacks"
] | [
"bending",
"bentwood",
"steam box"
] | If you have ever marveled at the complex wooden curves used by shipbuilders or some furniture makers, then you have probably at some point hankered after a steam box. This is as its name suggests, a chamber in which a piece of wood is steamed until it becomes flexible, at which point it can be pressed into a new shape ... | 21 | 9 | [
{
"comment_id": "6501632",
"author": "Alexander Wikström",
"timestamp": "2022-08-10T10:36:32",
"content": "Personally wouldn’t use PVC piping for a project involving steam. A lot of off the shelf PVC melts at rather low temperature.I would go for a piece of ventilation duct made from galvanized stee... | 1,760,372,602.058316 | ||
https://hackaday.com/2022/08/09/forget-the-uv-resist-mask-expose-custom-pcbs-directly-on-your-sla-printer/ | Forget The UV Resist Mask: Expose Custom PCBs Directly On Your SLA Printer | Maya Posch | [
"3d Printer hacks"
] | [
"pcb",
"photoresist",
"SLA printer"
] | For the enterprising hobbyist and prototyping hardware developer, creating custom PCBs remains somewhat of a struggle. Although there are a number of approaches to go about this, they usually involve printing or drawing a mask that is used to expose the photoresist layer on the to-be-etched PCB. Here [Andrew Dickinson]... | 22 | 9 | [
{
"comment_id": "6501568",
"author": "tomás zerolo",
"timestamp": "2022-08-10T06:05:32",
"content": "That goo is called a “photoresist”.The corresponding adjective, “photoresistive”, though, does mean quite another thing.Language is messy, yes.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,372,602.291524 | ||
https://hackaday.com/2022/08/09/scratching-out-business-intelligence/ | Scratching Out Business Intelligence | Matthew Carlson | [
"Software Hacks"
] | [
"big data",
"business",
"scratch",
"sql"
] | At Hackaday, we love things both from scratch and in Scratch, Scratch being the blocks building helpful language for teaching kids and the like how to program. However, when you have a large amount of data that needs to be processed, queried, and collated to get meaningful insights, it is a pain to rewrite a SQL query ... | 9 | 7 | [
{
"comment_id": "6501519",
"author": "BT",
"timestamp": "2022-08-10T02:34:40",
"content": "“That’s enough scratch puns for one article.”I’m itching for more.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6501520",
"author": "RW ver 0.0.3",
"timestamp"... | 1,760,372,602.353567 | ||
https://hackaday.com/2022/08/09/smoking-meat-finds-natural-home-in-the-cloud/ | Smoking Meat Finds Natural Home In The Cloud | Chris Wilkinson | [
"cooking hacks"
] | [
"barbecue",
"bbq",
"ESP8266",
"smoked meat",
"smoking",
"thermistor"
] | Did you know that backyard barbecues now come with WiFi? It should be no surprise, given the pervasiveness of cloud-enabled appliances throughout the home. However [Carl] wasn’t ready to part with his reliable but oh-so-analog BBQ smoker, so instead he created an
affordable WiFi-based temperature monitor
that rivals it... | 15 | 8 | [
{
"comment_id": "6501509",
"author": "Murm",
"timestamp": "2022-08-10T01:29:24",
"content": "While the result is amazing, and the work inspiring, the whole “affordable” aspect might be a stretch. At $100+AU is the same as pre made units (at least some that I’ve seen on that online book-seller).I a... | 1,760,372,602.48099 | ||
https://hackaday.com/2022/08/09/student-competition-badge-bears-custom-silicon/ | Student Competition Badge Bears Custom Silicon | Arya Voronova | [
"Misc Hacks"
] | [
"badge",
"conference badge",
"custom silicon"
] | [Daniel Valuch] shared a fun and record-setting
conference badge story
(Slovak,
translated
) with us. He was one of the organizers for the “ZENIT in electronics” event, which is an annual Slovak national competition for students. During the competition, students are assigned a letter+number code for the purpose of resu... | 5 | 3 | [
{
"comment_id": "6501697",
"author": "Daniel V.",
"timestamp": "2022-08-10T14:22:45",
"content": "well, if it makes things look better we did not use only custom made chips. There was also arduino :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6501721",
... | 1,760,372,602.421886 | ||
https://hackaday.com/2022/08/09/up-your-desk-toy-game-with-this-3d-printed-escalator/ | Up Your Desk Toy Game With This 3D Printed Escalator | Tom Nardi | [
"Toy Hacks"
] | [
"3D printed parts",
"desk toy",
"escalator",
"gear motor",
"motorized"
] | Let’s be real, nobody
needs
a tiny motorized escalator for their desk. But now that you’ve seen it, can you really say you don’t want one of your own? The
design comes our way from [AlexY]
, and is actually the logical evolution of a
manually-operated version released previously
. But for our money (and 3D printing tim... | 21 | 11 | [
{
"comment_id": "6501427",
"author": "no",
"timestamp": "2022-08-09T19:05:21",
"content": "make it carry downwards the egress of a paper shredder, and put a miniature golden toilet bowl with an automated flush would be just perfect.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,602.544154 | ||
https://hackaday.com/2022/08/09/2022-hackaday-prize-congratulations-to-the-winners-of-the-hack-it-back-challenge/ | 2022 Hackaday Prize: Congratulations To The Winners Of The Hack It Back Challenge | Elliot Williams | [
"contests",
"Hackaday Columns",
"Slider"
] | [
"2022 Hackaday Prize",
"finalists",
"winners"
] | Wow! We knew that the Hack it Back Challenge round of the Hackaday Prize would bring out the clever repairers among you, but we’re still impressed to see the results! This was a tough round for the judges, but they came up with a short list of ten finalists, and we’re pleased to bring them to you here.
The Hack it Back... | 7 | 7 | [
{
"comment_id": "6501405",
"author": "Anders Nielsen",
"timestamp": "2022-08-09T17:47:49",
"content": "Wow! Much appreciated!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6501457",
"author": "Dennis",
"timestamp": "2022-08-09T20:47:37",
"content"... | 1,760,372,602.712121 | ||
https://hackaday.com/2022/08/09/mapping-out-the-leds-on-an-outlet-tester/ | Mapping Out The LEDs On An Outlet Tester | Tom Nardi | [
"Teardown",
"Tool Hacks"
] | [
"epoxy blob",
"mains wiring",
"power outlet",
"reverse engineering",
"test equipment",
"wall outlet"
] | The concept of an outlet tester is pretty simple: plug the gadget into a suspect wall receptacle, and an array of LEDs light up in various patterns to alert the user to any wiring faults. They’re cheap, reliable, and instantaneous. Most people wouldn’t give them much more thought than that, but like any good hacker,
[Y... | 13 | 4 | [
{
"comment_id": "6501407",
"author": "Steven-X",
"timestamp": "2022-08-09T18:04:40",
"content": "Always check under stickers, LOL. I’ve discoved that several times myself.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6501418",
"author": "limroh",
... | 1,760,372,602.766361 | ||
https://hackaday.com/2022/08/09/ai-creates-your-spreadsheets-sometimes/ | AI Creates Your Spreadsheets, Sometimes | Al Williams | [
"Artificial Intelligence",
"Featured",
"Original Art",
"Rants",
"Slider"
] | [
"ai",
"excel",
"GPT-3",
"Rant"
] | We’ve been interested in looking at how AI can process things other than silly images. That’s why the “
Free AI Bot that Generates the Excel Formula for Any Problem
” caught our eye. Based on GPT-3, it supposedly transforms your problem description into a formula suitable for Excel or Google Sheets.
Our first prompt di... | 9 | 6 | [
{
"comment_id": "6501374",
"author": "dudenamedben",
"timestamp": "2022-08-09T16:27:41",
"content": "3x+1That should keep it busy for a while.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6501399",
"author": "Peter",
"timestamp": "2022-08-09T17:32:09... | 1,760,372,602.813901 | ||
https://hackaday.com/2022/08/09/open-source-wearables-for-infants/ | Open Source Wearables For Infants | Orlando Hoilett | [
"Wearable Hacks"
] | [
"Autonomic nervous system",
"Empatica",
"fitbit",
"psychology",
"smartwatch"
] | We’ve seen plenty of hacks that analyze biometric signals as measures of athletic performance, but maybe not as many hacks that are trying to study behavior. Well, that’s exactly what developmental psychologists at Indiana University and the University of East Anglia have done with their
open-source, wireless vest for ... | 8 | 4 | [
{
"comment_id": "6501298",
"author": "Dan",
"timestamp": "2022-08-09T12:08:42",
"content": "Looks like a pretttttyyy lonnnnggg cable to be around an infant. At least the remote monitoring functionality will let you know when heartbeat has stopped due to strangulation",
"parent_id": null,
"de... | 1,760,372,604.769505 | ||
https://hackaday.com/2022/08/09/junkbox-build-keeps-tesla-coils-perfectly-varnished/ | Junkbox Build Keeps Tesla Coils Perfectly Varnished | Dan Maloney | [
"High Voltage",
"Tool Hacks"
] | [
"coil",
"gear motor",
"lathe",
"tesla coil",
"varnish",
"winding"
] | Admittedly, not a lot of people have a regular need to varnish coils. It’s mainly something that Tesla coil builders and other high-voltage experimenters are concerned with. But since that group probably constitutes a not insignificant fraction of the Hackaday audience, and because there are probably more applications ... | 21 | 6 | [
{
"comment_id": "6501286",
"author": "Dr Cockroach",
"timestamp": "2022-08-09T10:35:35",
"content": "Funny how this wright-up pops up just a day after I finish my first ( very small and low power ) Tesla Coil. This is a great idea for larger coils and even for winding the turns.",
"parent_id": ... | 1,760,372,604.718108 | ||
https://hackaday.com/2022/08/08/large-tip-driven-copter-turns-very-slowly/ | Large Tip Driven Copter Turns Very Slowly | Danie Conradie | [
"drone hacks"
] | [
"drone",
"flight controller",
"helicopter"
] | Picking propeller size for any aircraft, but especially VTOLs, it’s a tradeoff between size and RPM. You can either move a large volume of air slowly or a small volume of air quickly. Small and fast tend to be the most practical for many applications, but if you’re thinking outside the box like [amazingdiyprojects], yo... | 21 | 14 | [
{
"comment_id": "6501239",
"author": "hinspect",
"timestamp": "2022-08-09T05:23:46",
"content": "That is a great job! Congratulations on your hobby👏",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6501247",
"author": "Unochepassa",
"timestamp": "2022-0... | 1,760,372,604.882196 | ||
https://hackaday.com/2022/08/08/replace-an-aa-battery-with-paper/ | Replace An AA Battery With Paper | Bryan Cockfield | [
"Science"
] | [
"aa",
"battery",
"ink",
"paper",
"science"
] | Paper is an ubiquitous part of society; so much so that the incredible engineering behind it often goes unnoticed. That isn’t the case for [Robert], though, who has a deep appreciation for the material and all its many uses far beyond recording information. In this particular video, he recreates a method found by resea... | 54 | 14 | [
{
"comment_id": "6501213",
"author": "RW ver 0.0.3",
"timestamp": "2022-08-09T02:26:25",
"content": "Translate the H@D hack speak, equivalent performance is what, you can read 1.5V on a meter, or it has better than 1000mAh of capacity?Well from vid, a very low draw LCD clock runs 2.5 hours???? Heh, ... | 1,760,372,604.969531 | ||
https://hackaday.com/2022/08/08/the-car-of-theseus-boldly-goes-where-many-cars-have-gone-before/ | The Car Of Theseus Boldly Goes Where Many Cars Have Gone Before | Matthew Carlson | [
"car hacks"
] | [
"car hack",
"less is more",
"william osman"
] | We could all use a good chuckle every once in a while. [William Osman] revisited the ship of Theseus in a simplified manner. How many
parts can you remove from a car and still be a car
? (Video, embedded below the break.)
Of course, there
are
legal definitions of what a car is and a minimum set of requirements to be me... | 45 | 13 | [
{
"comment_id": "6501202",
"author": "Observer",
"timestamp": "2022-08-09T00:14:34",
"content": "I have only one thing to say: “Red Green”https://www.youtube.com/watch?v=b61f6bAuytw",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6501210",
"author": "... | 1,760,372,604.52389 | ||
https://hackaday.com/2022/08/08/automated-microsd-card-swapping-helps-in-embedded-shenanigans/ | Automated MicroSD Card Swapping Helps In Embedded Shenanigans | Arya Voronova | [
"Misc Hacks"
] | [
"microsd",
"microsd card",
"sd card"
] | [Saulius Lukse] has been working on some single board computer, seemingly, running Linux. Naturally, that boots from a microSD card – and as development goes on, that card has to be reimaged all the time. Sick of constantly plugging and unplugging the microSD card between the SBC and an SD card reader, [Saulius]
starte... | 20 | 9 | [
{
"comment_id": "6501180",
"author": "ukezi",
"timestamp": "2022-08-08T20:52:01",
"content": "If you got a linux based SBC and network connectivity you can also boot from nfs. That may be even simpler.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6501182",... | 1,760,372,604.438828 | ||
https://hackaday.com/2022/08/08/load-your-icebreakers-the-2022-cyberdeck-contest-is-here/ | Load Your Icebreakers, The 2022 Cyberdeck Contest Starts Now | Tom Nardi | [
"contests",
"Cyberdecks",
"Hackaday Columns",
"Slider"
] | [
"cyberdeck",
"cyberpunk",
"William Gibson"
] | TL;DR:
Enter the 2022 Cyberdeck Contest
, starting right now!
When William Gibson first described the “cyberspace deck” used by the protagonists in
Burning Chrome
and
Neuromancer
, he offered only a few concrete details: they allow the user to explore cyberspace, are generally portable, and more adept owners often modi... | 22 | 8 | [
{
"comment_id": "6501146",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-08T17:19:47",
"content": "I’m looking forward to seeing entries.No glued on clockworks, please!(Unless it is functioning)And wearable cyberdecks along the lines of a Pip-Boy.",
"parent_id": null,
... | 1,760,372,605.034309 | ||
https://hackaday.com/2022/08/06/compare-pdfs-visually/ | Compare PDFs Visually | Al Williams | [
"Linux Hacks"
] | [
"linux",
"pdf"
] | Sometimes a problem seems hard, but the right insight can make it easy. If you were asked to write a program to compare two PDF files and show the differences, how hard do you think that would be? If you are [serhack], you’ll make it
much easier
than you might guess.
Of course, sometimes making something simple depends... | 12 | 8 | [
{
"comment_id": "6500874",
"author": "Greg Chabala",
"timestamp": "2022-08-07T05:08:09",
"content": "I’ve been using DiffPDF 2.1.3.1 by Mark Summerfield (open source, and prepackaged for Debian, Ubuntu, and others). Not perfect, but pretty good for tracking down changes in a huge, multi-page PDFs.On... | 1,760,372,604.820899 | ||
https://hackaday.com/2022/08/06/this-stainless-steel-knife-build-starts-with-raw-iron-ore/ | This Stainless Steel Knife Build Starts With Raw Iron Ore | Dan Maloney | [
"Misc Hacks"
] | [
"alloy",
"knifemaking",
"magnetite",
"metal",
"metallurgy",
"smelting",
"stainless steel",
"Thermite"
] | Making knives at home has become a popular hobby, thanks partly to reality TV and the free time and idle hands afforded by lockdowns. Depending on how far you get into the hobby, builds can range from assembling and finishing a kit with pre-forged parts, to actual blacksmithing with a hammer and anvil. But pretty much ... | 11 | 6 | [
{
"comment_id": "6500852",
"author": "David",
"timestamp": "2022-08-07T01:07:06",
"content": "This is very interesting. I’ve made my own copper thermite to use in exothermic welds to ground my ham radio tower, but never tried the iron version. It turns out that where I live I can drag a strong mag... | 1,760,372,604.653158 | ||
https://hackaday.com/2022/08/06/pixmob-wristband-protocol-reverse-engineering-groundwork/ | PixMob Wristband Protocol Reverse-Engineering Groundwork | Arya Voronova | [
"Reverse Engineering",
"Wearable Hacks"
] | [
"flipper zero",
"infrared",
"led band",
"led wristband",
"pixmob"
] | The idea behind the PixMob wristband is simple — at a concert, organizers hand these out to the concertgoers, and during the show, infrared projectors are used to transmit commands so they all light up in sync. Sometimes, attendees would be allowed to take these bracelets home after the event, and a few hackers have ta... | 38 | 11 | [
{
"comment_id": "6500859",
"author": "some guy",
"timestamp": "2022-08-07T01:40:44",
"content": "This aquatic animal thing looks interesting… Not cheap but obviously quite capable.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6500866",
"author": "The Com... | 1,760,372,604.604376 | ||
https://hackaday.com/2022/08/06/hackaday-prize-2022-diy-brushless-hand-cranked-generator/ | Hackaday Prize 2022: DIY Brushless Hand Cranked Generator | Jenny List | [
"green hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"hand generator",
"portable power",
"stepper motor"
] | A standard part of travel kit for the 2020s is now a battery pack — a hefty lithium-ion cell with onboard electronics for USB charging, that ensures all of our devices stay topped up while we’re out of range of a socket. But what happens when there is no handy mains supply to recharge it from? Step in [Chleba], with
a ... | 12 | 7 | [
{
"comment_id": "6500805",
"author": "Christian Knopp",
"timestamp": "2022-08-06T18:03:00",
"content": "Wouldn’t be hard to have one of those tulip blades as a swappable part, so you can hand crank, or have a wind generator?🤔",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"... | 1,760,372,605.084298 | ||
https://hackaday.com/2022/08/06/learning-by-playing/ | Learning By Playing | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"3D modelling",
"learning",
"minecraft"
] | Summer break has started over here, and my son went off to his first of a few day-camp-like activities last week. It was actually really cool – a workshop held by
our local Fablab
where they have the kids make a Minecraft building and then get to 3D-print it out. He loves playing and building in Minecraft, so we figure... | 5 | 3 | [
{
"comment_id": "6500777",
"author": "Claudiu Chereji",
"timestamp": "2022-08-06T14:23:21",
"content": "That’s a really cool experience for a kid to have! Makes me wanna learn more now too!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6500786",
"author":... | 1,760,372,605.281888 | ||
https://hackaday.com/2022/08/06/solar-plane-might-be-able-to-last-through-the-night/ | Solar Plane Might Be Able To Last Through The Night | Danie Conradie | [
"drone hacks"
] | [
"ardupilot",
"Fixed-wing aircraft",
"solar plane"
] | “Just add solar panels to the wings” is a popular suggestion for improving the flight times of fixed-wing drones. However, the reality is not so simple, and it’s easy to hurt rather than help flight times with the added weight and complexity. The team at [Bearospace Industries] has been working on the challenge for the... | 15 | 7 | [
{
"comment_id": "6500755",
"author": "Foldi-One",
"timestamp": "2022-08-06T11:27:04",
"content": "I always enjoy seeing the variety of deigns such challenges promote – like the Human powered aircraft there is still some divergence in design choices and build methods to meet the goal so some pretty s... | 1,760,372,605.846355 | ||
https://hackaday.com/2022/08/06/heres-how-the-precursor-protects-your-privacy/ | Here’s How The Precursor Protects Your Privacy | Arya Voronova | [
"FPGA",
"handhelds hacks",
"Security Hacks"
] | [
"betrusted",
"bunnie",
"Bunnie Huang",
"bunniestudios",
"precursor",
"trust",
"trusted computing"
] | At some point, you will find yourself asking – is my device actually running the code I expect it to? [bunnie] aka [Andrew Huang] is passionate about making devices you can fundamentally, deeply trust, and his latest passion project is the Precursor communicator.
At the heart of it is an FPGA, and Precursor’s CPU is cr... | 14 | 4 | [
{
"comment_id": "6500731",
"author": "Ewald",
"timestamp": "2022-08-06T08:26:40",
"content": "….and you don’t have to take [bunnie]’s word for it….Normally an independent audit follows such a precursor, not the same person doing an (in depth) explanation ;)",
"parent_id": null,
"depth": 1,
... | 1,760,372,605.674763 | ||
https://hackaday.com/2022/08/07/hackaday-links-august-7-2022/ | Hackaday Links: August 7, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"chorizo",
"class action",
"data privacy",
"data recovery",
"hackaday links",
"jwst",
"proxima centauri",
"quantum gates",
"quantum programming",
"qubits",
"sausage",
"sd card",
"settlement",
"Tim Hortons",
"tracking"
] | If you ever needed proof that class-action lawsuits are a good deal only for the lawyers, look no further than the news that
Tim Hortons will settle a data-tracking suit with a doughnut and a coffee
. For those of you who are not in Canada or Canada-adjacent, “Timmy’s” is a chain of restaurants that are kind of the lov... | 10 | 4 | [
{
"comment_id": "6501031",
"author": "Brian",
"timestamp": "2022-08-08T00:39:06",
"content": "I love chorizo. Mexican and Spanish.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6501047",
"author": "Drone",
"timestamp": "2022-08-08T03:58:23",... | 1,760,372,605.615406 | ||
https://hackaday.com/2022/08/07/build-a-tablet-out-of-your-framework-motherboard/ | Build A Tablet Out Of Your Framework Motherboard | Arya Voronova | [
"laptops hacks",
"Tablet Hacks"
] | [
"3D printable",
"framework",
"Framework laptop",
"tablet"
] | The Framework laptop project is known for quite a few hacker-friendly aspects. For example, they encourage you to reuse its motherboard as a single-board computer – making it into a viable option for your own x86-powered projects. They have published a set of CAD files for that, and people have been working on their ow... | 18 | 8 | [
{
"comment_id": "6501001",
"author": "erghregh34",
"timestamp": "2022-08-07T20:25:16",
"content": "how long this device work on one charge",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6501010",
"author": "banana man",
"timestamp": "2022-08-... | 1,760,372,605.732378 | ||
https://hackaday.com/2022/08/07/homemade-cat-scan-shouldnt-scan-cats/ | Homemade CAT Scan Shouldn’t Scan Cats | Al Williams | [
"Misc Hacks"
] | [
"CAT scan",
"CT Scan",
"x-ray",
"xray"
] | [Pyrotechnical] thought about buying a CAT scanner and found out they cost millions of dollars. So
he decided to build one for about $200
using a salvage X-ray tube and some other miscellaneous parts. A scintillating detector provides the image for pick up with a camera phone. The control? An Arduino, what else? You ca... | 32 | 8 | [
{
"comment_id": "6500964",
"author": "Frankel",
"timestamp": "2022-08-07T17:21:18",
"content": "Without a Radon transform this is hardly a CT scanner. Sorry for being so blunt, but I got hyped first, only to be disappointed to just see classical xrays being performed. No sinograms spotted!",
"pa... | 1,760,372,606.01981 | ||
https://hackaday.com/2022/08/07/ct-scans-help-reverse-engineer-mystery-module/ | CT Scans Help Reverse Engineer Mystery Module | Dan Maloney | [
"Reverse Engineering"
] | [
"apollo",
"CAT scann",
"computed tomography",
"cordwood",
"ct",
"module",
"motorola",
"reverse engineering",
"x-ray"
] | The degree to which computed tomography has been a boon to medical science is hard to overstate. CT scans give doctors a look inside the body that gives far more information about the spatial relationship of structures than a plain X-ray can. And as it turns out,
CT scans are pretty handy for reverse engineering myster... | 15 | 5 | [
{
"comment_id": "6500928",
"author": "Dave",
"timestamp": "2022-08-07T14:08:06",
"content": "Glad the scan wasn’t done at a medical facility… Would have cost $17,000 for the pic, but the price wouldn’t be known until it was done.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,606.072032 | ||
https://hackaday.com/2022/08/07/want-faster-extrusion-but-dont-have-a-volcano-nuts/ | Want Faster Extrusion But Don’t Have A Volcano? Nuts! | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"melt zone",
"volcano hotend"
] | A lot of people want to print faster. Maybe they don’t like to wait, or they need to print a lot of things. Maybe it is just human nature to want to push things to go faster. The problem is, if you move filament too fast it may not have time to melt inside the hot end. To combat that, some people install a “volcano” — ... | 18 | 4 | [
{
"comment_id": "6500914",
"author": "Daid",
"timestamp": "2022-08-07T12:00:24",
"content": "For the editor: mm/s != mm^2/s (I’m glad we’re finally measuring performance in mm^2/sec)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6500925",
"author": ... | 1,760,372,605.789058 | ||
https://hackaday.com/2022/08/07/mch2022-badge-ctf-solved-with-plenty-to-learn-from/ | MCH2022 Badge CTF Solved, With Plenty To Learn From | Arya Voronova | [
"Reverse Engineering",
"Security Hacks"
] | [
"badge",
"badgelife",
"capture the flag",
"ctf",
"MCH",
"MCH2022"
] | Among all the things you could find at MCH2022, there were a few CTFs (Capture The Flag exercises) – in particular, every badge contained an application that you could try and break into – only two teams have cracked this one! [dojoe] was part of one of them, and he has composed
an extensive reverse-engineering story
... | 3 | 2 | [
{
"comment_id": "6500892",
"author": "Frankel",
"timestamp": "2022-08-07T09:12:23",
"content": "Indeed an amazing write-up, but from the perspective making code more secure. It’s fun seeing how a tiny mistake will allow people to leak secrets from something as trivial as an echo server. Cheers dojoe... | 1,760,372,605.890692 | ||
https://hackaday.com/2022/08/06/laptoppin-like-1975/ | Laptoppin’ Like 1975 | Al Williams | [
"Retrocomputing"
] | [
"6502",
"laptop",
"retrocomputing"
] | When we first saw the
PZ1 laptop
— a 6502 laptop-style computer with a small display and 512K of RAM — we couldn’t help but think of the old
AIM 65
computer from Rockwell, although that only had 1K of memory. The other thing the AIM didn’t have was an ancillary microcontroller to help out that is way more powerful than... | 22 | 8 | [
{
"comment_id": "6500878",
"author": "macsimski",
"timestamp": "2022-08-07T06:24:31",
"content": "Well, my aim65 looks quite different, but the resemblance to the trs80 model 100 is striking",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6500882",
"author"... | 1,760,372,605.948149 | ||
https://hackaday.com/2022/08/08/cyberdeck-brainstorming-hack-chat/ | Cyberdeck Brainstorming Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, August 10 at noon Pacific for the
Cyberdeck Brainstorming Hack Chat
!
If there’s one thing for sure about Hackaday, it’s that we keep a finger on the pulse of the hardware hacking community. Trends come and go, but they rarely slip by us, thanks to the constant supply of tips to hot projects that ... | 5 | 4 | [
{
"comment_id": "6501200",
"author": "william payne (@william45994166)",
"timestamp": "2022-08-08T23:46:36",
"content": "<~$100 x86 and ARM platforms [raspberries, x86 SBCs, windows 11 laptops, chromebooks] appear to us as embedded controllers, not mainframes. Which require embedded controller sof... | 1,760,372,606.120129 | ||
https://hackaday.com/2022/08/08/a-plasma-tweeter-for-ultimate-clarity/ | Hackaday Prize 2022: A Plasma Tweeter For Ultimate Clarity | Jenny List | [
"home entertainment hacks"
] | [
"audio",
"plasma tweeter",
"tesla coil"
] | In the world of audio there are a huge variety of esoteric technologies which are rarely seen. One such is the plasma tweeter, a type of loudspeaker which generates sound by modulating a small electrical discharge. The benefit of this design comes in its delivering the closest possible to a point audio source, in effec... | 18 | 11 | [
{
"comment_id": "6501136",
"author": "fiveseven",
"timestamp": "2022-08-08T16:08:15",
"content": "No mention of ozone? 😁 Might turn out to be a headache-inducing listening experience.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6501178",
"author"... | 1,760,372,606.295159 | ||
https://hackaday.com/2022/08/08/martian-successes-reshape-sample-return-plans/ | Martian Successes Reshape Sample Return Plans | Tom Nardi | [
"Current Events",
"Featured",
"Slider",
"Space"
] | [
"Curiosity",
"Ingenuity",
"mars",
"Mars Ascent Vehicle",
"Mars Sample Return",
"Perseverance"
] | For as long as humans have been sending probes to Mars, there’s been a desire to return rock, soil, and atmosphere samples back to Earth for more detailed analysis. But the physics of such a mission are particularly demanding — a vehicle that could land on the Martian surface, collect samples, and then launch itself ba... | 19 | 9 | [
{
"comment_id": "6501115",
"author": "setho",
"timestamp": "2022-08-08T14:18:10",
"content": "I sense a disconnect here with NASA. They are betting that in a couple of years Space-x’s Starship is going to be able to land men on the moon, but they are at the same time acting that it is going to be i... | 1,760,372,606.709289 | ||
https://hackaday.com/2022/08/08/pc-hardware-monitor-uses-tricorder-derived-tech/ | PC Hardware Monitor Uses Tricorder-Derived Tech | Tom Nardi | [
"computer hacks",
"Microcontrollers"
] | [
"2022 Sci-Fi Contest",
"sci-fi",
"system monitor"
] | The
visually striking hardware monitor that [Mangy_Dog] recently put together
for his new custom PC build might look like something out of the
Alien
franchise, but the hardware he’s built it around actually comes from a very different science-fiction property:
Star Trek
. Or at least, from a very impressive line of
Sta... | 17 | 8 | [
{
"comment_id": "6501095",
"author": "GEO",
"timestamp": "2022-08-08T12:09:30",
"content": "Is there a place that has style guides or something similar for sci-fi franchises, or do people just really watch and look closely and come up with there own?",
"parent_id": null,
"depth": 1,
"rep... | 1,760,372,606.537921 | ||
https://hackaday.com/2022/08/08/was-there-a-programmable-pong-chip/ | Was There A ProgrammablePONGChip? | Jenny List | [
"Games",
"Retrocomputing"
] | [
"MOS Technology",
"pong",
"PONG on a chip"
] | Students of game console history will reach back into the 1970s for the primordial machines, tracing from the Magnavox Odyssey onwards, and thence via the Fairchild Channel F into the world of microprocessors and the chain of machines that lead us to those we enjoy today. In the early days there was a parallel evolutio... | 19 | 8 | [
{
"comment_id": "6501080",
"author": "Timo",
"timestamp": "2022-08-08T09:07:37",
"content": "I did something very similar, just not mask-programmed. Even the graphics look very similar.https://hackaday.io/project/185639-oszipong",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,606.643201 | ||
https://hackaday.com/2022/08/07/real-robot-one-is-real/ | Real Robot One Is… Real | Al Williams | [
"Robots Hacks"
] | [
"robot",
"robot arm",
"robotics"
] | Most of the robot arms we see are cool but little more than toys. Usually, they use RC servos to do motion and that’s great for making some basic motion, but if you want something more industrial and capable, check out [Pavel’s]
RR1 — Real Robot One
. The beefy arm has six degrees of freedom powered by stepper motors a... | 10 | 5 | [
{
"comment_id": "6501063",
"author": "SaratogaJerry",
"timestamp": "2022-08-08T06:10:43",
"content": "Well, I don’t know much about robot building (yet, HAD helping) but I do visit auction sites and was a little frustrated having to go through three or four 60-item pages of steppers. So, it you are... | 1,760,372,606.477363 | ||
https://hackaday.com/2022/08/07/robot-repeatedly-rearranges-remnants-in-the-round/ | Robot Repeatedly Rearranges Remnants In The Round | Michael Shaub | [
"News",
"Robots Hacks"
] | [
"3d printing",
"art",
"art installation",
"cinema 4d",
"Dynamixel",
"prototype",
"robot arm",
"Robot Operating System",
"ros",
"sand table",
"Sisyphus",
"Sisyphus table"
] | Sisyphus
is an art installation by [Kachi Chan] featuring two scales of robots engaged in endless cyclic interaction. Smaller robots build brick arches while a giant robot pushes them down. As [Kachi Chan] says “this robotic system propels a narrative of construction and deconstruction.” The project was awarded honorar... | 9 | 6 | [
{
"comment_id": "6501036",
"author": "paul shallard",
"timestamp": "2022-08-08T02:37:40",
"content": "beautiful analogue of my lifeI try to build thingsbig brother tears them down",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6501062",
"author": "Bi... | 1,760,372,606.755113 | ||
https://hackaday.com/2022/08/05/everything-you-wanted-to-know-about-sdram-timing-but-were-afraid-to-ask/ | Everything You Wanted To Know About SDRAM Timing But Were Afraid To Ask | Al Williams | [
"News"
] | [
"ddr4",
"sdram"
] | One of the problems with being engaged in our hobby or profession is that people assume if you can build a computer out of chips, you must know all the details of their latest laptop computer. Most of the memory we deal with is pretty simple compared to DDR4 memory and if you’ve ever tried tweaking your memory, you kno... | 9 | 3 | [
{
"comment_id": "6500737",
"author": "shinsukke",
"timestamp": "2022-08-06T09:11:28",
"content": "Low capacitance on lines for good slew rateDifferential traces as close as possibleLength matched traces (impedance matched if its very high speed)Line termination resistorsAm I missing anything?",
... | 1,760,372,606.580676 | ||
https://hackaday.com/2022/08/05/e-paper-price-tags-combined-to-create-a-large-wireless-display/ | E-paper Price Tags Combined To Create A Large Wireless Display | Danie Conradie | [
"hardware"
] | [
"e-ink price tag",
"e-paper",
"zigbee"
] | E-paper price tags have become popular for retail stores over the past few years, which is great for hackers since we now have some more cheap commodity hardware to play with. [Aaron Christophel] went all on creating
grid displays with E-paper price tags
, up to a 20×15 grid.
E-paper price tags are great for these kind... | 3 | 1 | [
{
"comment_id": "6500732",
"author": "paulvdh",
"timestamp": "2022-08-06T08:51:17",
"content": "First thing I did was look up the price of these price tags, and apparently they’re around EUR 21 a piece. (Single quantity from Ali)21*20*15 = EUR 6300 and that’s a bit much for a fun project.Second thou... | 1,760,372,606.949585 | ||
https://hackaday.com/2022/08/05/lawnmower-doesnt-need-a-base-station/ | Lawnmower Doesn’t Need A Base Station | Al Williams | [
"gps hacks",
"Robots Hacks"
] | [
"DWM1000",
"gps",
"lawnmower",
"mower",
"UWB"
] | A recent tour of an old WWII-era aircraft carrier reminded us how hard navigation was before the advent of GPS. It used to be the work of skilled people to sight the sun or the stars and use giant books to figure out a vessel’s position. Now you just ask your phone to listen to some GPS satellites and you have precisio... | 21 | 7 | [
{
"comment_id": "6500696",
"author": "Drone",
"timestamp": "2022-08-06T03:15:03",
"content": "This is cool. It uses four Qorvo (created by the 2014 merger of TriQuint Semiconductor and RF Micro Devices)[1] DWM1000 3.5 – 6.5 GHz Ultra-Wideband (UWB) Transceiver Modules [2] which cost $16.67 USD each ... | 1,760,372,607.003662 | ||
https://hackaday.com/2022/08/05/bps-space-succesfully-lands-a-model-rocket/ | BPS.Space Succesfully Lands A Model Rocket | Danie Conradie | [
"Misc Hacks"
] | [
"bps.space",
"flight computer",
"joe barnard",
"model rocketry",
"Thrust vectoring"
] | If you’ve been following [Joe Barnard]’s rocketry projects for the past few years, you’ll know that one of his primary goals has been to
propulsively land a model rocket
like SpaceX. Now, 7 years into the rollercoaster journey, he has finally achieved that goal with the latest version of his Scout rocket.
We have touch... | 16 | 9 | [
{
"comment_id": "6500648",
"author": "goop",
"timestamp": "2022-08-05T21:46:02",
"content": "It’s been so cool watching this come together over the years.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6500649",
"author": "Paul LeBlanc",
"timestamp": "... | 1,760,372,606.909061 | ||
https://hackaday.com/2022/08/05/esp32-powers-covert-pentesting-device/ | ESP32 Powers Covert Pentesting Device | Tom Nardi | [
"Microcontrollers",
"Security Hacks"
] | [
"covert",
"ESP32-S",
"pentesting"
] | Looking to expand their hardware design experience,
[mentalburden] recently put together a low-cost handheld gadget
that can be used for various security-related tasks such as logging WiFi traffic, operating as a dead drop, and performing deauthentication attacks.
The custom PCB plays host to the essentials — an ESP32-... | 11 | 3 | [
{
"comment_id": "6500623",
"author": "Sword",
"timestamp": "2022-08-05T18:44:42",
"content": "Meh. I wrote code for the TTGo Twatch 2020 v1 for packet injection (Broadcast Deauth, and beacon spam) tied into lvgl. A bonus is it also provides smartwatch functionality. Battery life is terrible while in... | 1,760,372,607.060738 | ||
https://hackaday.com/2022/08/05/books-you-should-read-the-hardware-hackers-handbook/ | Books You Should Read: The Hardware Hacker’s Handbook | Arya Voronova | [
"Featured",
"Interest",
"Reverse Engineering",
"Reviews",
"Skills",
"Slider"
] | [
"hardware hacking",
"power glitching",
"Side channel",
"side channel analysis"
] | Here on Hackaday, we routinely cover wonderful informative writeups on different areas of hardware hacking, and we even have our own university with courses that delve into topics one by one. I’ve had my own fair share of materials I’ve learned theory and practical aspects from over the years I’ve been hacking – as it ... | 37 | 11 | [
{
"comment_id": "6500593",
"author": "Ale",
"timestamp": "2022-08-05T17:20:24",
"content": "A German version of the book would be great",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6500857",
"author": "some guy",
"timestamp": "2022-08-07T01... | 1,760,372,607.142544 | ||
https://hackaday.com/2022/08/05/hackaday-podcast-180-tiny-crts-springy-pcbs-and-measuring-trees/ | Hackaday Podcast 180: Tiny CRTs, Springy PCBs, And Measuring Trees | Kristina Panos | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | The demogorgon just wants to be friends. See? He’s waving hello.
This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos traded sweat for silence, recording from their respective attic-level offices in the August heat unaided by fans (too noisy). We decided there’s no real news this week that l... | 4 | 1 | [
{
"comment_id": "6501173",
"author": "Dude",
"timestamp": "2022-08-08T19:36:56",
"content": "The point of Winamp is what it doesn’t have. No cloud integration, no social media integration, not connected to a streaming platform, no ads, no accounts or logins, is not a video player by design, isn’t tr... | 1,760,372,607.190983 | ||
https://hackaday.com/2022/08/04/converting-an-80s-typewriter-into-a-linux-terminal/ | Converting An 80s Typewriter Into A Linux Terminal | Dan Maloney | [
"Linux Hacks"
] | [
"arduino",
"daisy wheel",
"linux",
"multiplexer",
"raspberry pi",
"teletype",
"terminal",
"tty",
"typewriter"
] | Typewriters may be long past their heyday, but just because PCs, word processor software, and cheap printers have made them largely obsolete doesn’t mean the world is better off without them. Using a typewriter is a rich sensory experience, from the feel of the keys under your fingers that even the clickiest of PC keyb... | 26 | 13 | [
{
"comment_id": "6500362",
"author": "Artillect",
"timestamp": "2022-08-04T20:46:37",
"content": "Thanks for writing this wonderful article about my project! Nothing beats the sound of the mechanism clacking away :)Let me know if you have any questions!",
"parent_id": null,
"depth": 1,
"... | 1,760,372,607.249377 | ||
https://hackaday.com/2022/08/04/30-free-circuit-simulators-lightly-reviewed/ | 30 Free Circuit Simulators Lightly Reviewed | Al Williams | [
"Software Hacks"
] | [
"simulation",
"SPICE"
] | We live in a time where great software is available with the click of a mouse, often for free or — at least — low cost. But there’s a problem: how do you select from so many alternatives? We were interested in [Lee Teschler]’s review earlier this year of
30 free circuit simulators
. If you are selecting one or don’t li... | 17 | 9 | [
{
"comment_id": "6500343",
"author": "Pat",
"timestamp": "2022-08-04T19:43:19",
"content": "Qucs and QucsStudio (not mentioned) are actually different programs – the backend simulation stuff for QucsStudio is entirely redone. It’s one of the only transmission line calculators I’ve found that has cou... | 1,760,372,607.489862 | ||
https://hackaday.com/2022/08/04/reduced-sulfur-emissions-could-cause-climate-shock/ | Reduced Sulfur Emissions Could Cause Climate Shock | Lewin Day | [
"Hackaday Columns",
"Science"
] | [
"aerosol",
"aerosols",
"albedo",
"climate change",
"global warming",
"science",
"sulfur",
"sulfur dioxide",
"sulfur emissions"
] | When we talk about emissions these days, we typically talk about cutting them back for the good of the environment. However, the climate system is a complex beast, and one we’re still learning to understand.
As it turns out, cutting back on emissions may have unexpected or undesirable effects. Some scientists are conce... | 53 | 16 | [
{
"comment_id": "6500295",
"author": "a Jaded Hobo",
"timestamp": "2022-08-04T17:28:42",
"content": "Just read “Termination Shock” by Neal Stephenson to get a good picture of this issue. Written as a novel but based on hard science.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,607.430639 | ||
https://hackaday.com/2022/08/04/jigsaw-puzzles-are-defeated/ | Jigsaw Puzzles Are Defeated | Brian McEvoy | [
"cnc hacks"
] | [
"because I can",
"cnc",
"gantry",
"jigsaw",
"jigsaw puzzle",
"puzzle",
"robot",
"solution without a problem",
"suction",
"telecentric",
"vacuum"
] | To some folx, puzzles are the ultimate single-player game, but to others, they are like getting a single Tootsie Roll on Halloween. [Shane] of
Stuff Made Here
must fall into the latter category because he spent the equivalent of 18 work-weeks to make a
robot that solves them automatically
. Shots have been fired in the... | 30 | 15 | [
{
"comment_id": "6500254",
"author": "RW ver 0.0.3",
"timestamp": "2022-08-04T15:35:27",
"content": "“shop-air can create negative pressure. Suction. We wonder if anyone ever repurposed canned air to create a vacuum cleaner.”*Giovanni Battista Venturi enters through the wall like the koolaid mascot*... | 1,760,372,607.329716 | ||
https://hackaday.com/2022/08/04/stentrodes-a-way-to-insert-brain-electrodes-without-invasive-surgery/ | Stentrodes: A Way To Insert Brain Electrodes Without Invasive Surgery | Maya Posch | [
"Current Events",
"Featured",
"Original Art",
"Science"
] | [
"bci",
"Brain controlled interface",
"stent-electrode array",
"Stentrode"
] | When we think of brain-computer interfaces (BCIs) that use electrodes, we usually think of Utah arrays that are placed directly on the brain during open brain surgery, or with thin electrodes spliced into the exposed brain as
postulated
by Neuralink. While Utah arrays and kin as a practical concept date back to the 198... | 24 | 10 | [
{
"comment_id": "6500223",
"author": "Drone",
"timestamp": "2022-08-04T14:25:09",
"content": "Ohhh Yeah Baby – Sign Me Up! I am losing soooo many brain cells these days due to never-ending YouTube butt-in ads (ouch), maybe this can help??",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,607.559573 | ||
https://hackaday.com/2022/08/04/liberated-e-ink-shelf-labels-turned-10x2-display/ | Liberated E-Ink Shelf Labels Turned 10×2 Display | Al Williams | [
"Wireless Hacks"
] | [
"e-ink",
"eink",
"Electronic shelf label"
] | How expensive is it to make a panel that uses e-ink technology? That might depend on how flexible you are. [RBarron] read about reverse engineering point-of-sale shelf labels and found them on eBay for just over a buck apiece. Next thing you know, 20 of them
were working together in a single panel
.
The panels use RF o... | 27 | 8 | [
{
"comment_id": "6500183",
"author": "Shoe",
"timestamp": "2022-08-04T11:36:44",
"content": "The video on the Github page of the display being written to is very satisfying, just in the way that the refresh of the individual screens is staggered so the whole thing moves in a wave.I’ve never seen the... | 1,760,372,607.627493 | ||
https://hackaday.com/2022/08/04/3d-printed-braiding-machine-brings-back-some-history/ | 3D Printed Braiding Machine Brings Back Some History | Danie Conradie | [
"Tool Hacks"
] | [
"3d printed",
"braiding machine",
"textiles"
] | Mechanizing the production of textiles was a major part of the industrial revolution, and with the convenience of many people are recreating the classic machines. A perfect example of this is [Fraens]’
3D printed braiding machine
, which was reverse engineered from old photos of the early machines.
The trick behind bra... | 19 | 12 | [
{
"comment_id": "6500173",
"author": "macsimski",
"timestamp": "2022-08-04T10:02:19",
"content": "Oohh. Adapt it to make nice covers for cables!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6500181",
"author": "Alex99a",
"timestamp": "2022-08-04T11:3... | 1,760,372,607.683621 | ||
https://hackaday.com/2022/08/05/build-your-own-3d-printed-bluetooth-headphones/ | Build Your Own 3D Printed Bluetooth Headphones | Tom Nardi | [
"digital audio hacks",
"Wearable Hacks"
] | [
"3D printed parts",
"bluetooth",
"kit",
"wireless headphones"
] | A few years back, [Shannon Ley] wondered how hard it would be to build a pair of Bluetooth headphones from scratch. Today, we have our answer. The
Homebrew Headphones
website is devoted to just one thing: explaining how you can use common components and some 3D printed parts to
build an impressively comprehensive pair ... | 20 | 9 | [
{
"comment_id": "6500559",
"author": "Andrew",
"timestamp": "2022-08-05T15:15:00",
"content": "You wouldn’t /steal/ a pair of headphones.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6500592",
"author": "X",
"timestamp": "2022-08-05T17:18:0... | 1,760,372,607.745132 | ||
https://hackaday.com/2022/08/05/this-week-in-security-symbiote-research-and-detection-routing-hijacks-bruggling-and-more/ | This Week In Security: Symbiote Research And Detection, Routing Hijacks, Bruggling, And More | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"bgp",
"Symbiote",
"This Week in Security"
] | Last week we covered the Symbiote Rootkit
, based on the excellent work by Blackberry, Intezer, and Cyber Geeks. This particular piece of malware takes some particularly clever and devious steps to hide. It uses an
LD_PRELOAD
to interfere with system libraries on-the-fly, hiding certain files, processes, ports, and eve... | 8 | 3 | [
{
"comment_id": "6500541",
"author": "X",
"timestamp": "2022-08-05T14:08:49",
"content": "There are many known vulnerabilities in all of the virtualization technologies. The virtualization security must be perfect because any escape is gonna be at the root level and allow complete takeover of the h... | 1,760,372,607.887427 | ||
https://hackaday.com/2022/08/05/welcome-to-ziptie-city/ | Welcome To Ziptie City | Elliot Williams | [
"3d Printer hacks"
] | [] | Gravity, magnetism, the weak and strong nuclear forces; sure they hold a lot of stuff together. But the other binding force of nature that demands your utmost respect? Zip ties.
Or at least that’s [Alan Reiner]’s
take on the combination of cable ties and 3D printing
. (Video, embedded below.) So he’s designed a demo mo... | 36 | 14 | [
{
"comment_id": "6500511",
"author": "BT",
"timestamp": "2022-08-05T12:31:02",
"content": "Neat idea, but from the top pic I was expecting a zip-tie clock!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6500612",
"author": "The Commenter Formerly Kno... | 1,760,372,608.010941 | ||
https://hackaday.com/2022/08/05/hackaday-prize-2022-saving-the-world-one-brew-at-a-time/ | Hackaday Prize 2022: Saving The World, One Brew At A Time | Elliot Williams | [
"classic hacks",
"contests",
"Repair Hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"coffee machine",
"display",
"hack",
"repair"
] | OK, so maybe [satanistik] is overreaching with his project title “
Save the Coffee, Save the World
” but keeping an otherwise working coffee machine out of the landfill by hacking around its broken display is nonetheless a worthy pursuit. The juice must flow!
The busted display used a SSD1303 controller OLED module, fo... | 10 | 4 | [
{
"comment_id": "6500486",
"author": "Dan",
"timestamp": "2022-08-05T10:46:49",
"content": "“Sory for my English, I preferred scrap yards to school. ” What an absolute boss.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6500513",
"author": "The Part... | 1,760,372,607.931451 | ||
https://hackaday.com/2022/08/04/buzzword-bingo-bitcoin-burial-burrowing-blueprint-balked-at-by-bureaucracy/ | Buzzword Bingo Bitcoin Burial Burrowing Blueprint Balked At By Bureaucracy | Jenny List | [
"News"
] | [
"bitcoin",
"hard drive recovery",
"landfill"
] | Many of you will at some time have heard the unfortunate tale of [James Howells], a Welsh IT worker who threw away a hard drive containing 8,000 Bitcoin back in 2013. Over the years he’s hatched various schemes to persuade his local council to let him dig up the landfill where it’s reputed to be buried, and every time ... | 46 | 15 | [
{
"comment_id": "6500426",
"author": "Rumble_in_the_Jungle",
"timestamp": "2022-08-05T05:08:18",
"content": "He sacrificed his bitcoins to the Gods of Entropy on a rusty platter.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6500428",
"author": "RW ver 0.... | 1,760,372,608.100712 | ||
https://hackaday.com/2022/08/04/the-fishfeeder-keeps-your-fish-fed-while-youre-away/ | The FishFeeder Keeps Your Fish Fed While You’re Away | Robin Kearey | [
"home hacks"
] | [
"ESP32",
"fish feeder",
"tinygo"
] | With summer in full swing in the Northern Hemisphere, millions of people are out on vacation leaving millions of homes empty. Thanks to modern technology it’s easier than ever to keep an eye on those empty homes: internet-connected cameras report suspicious activity, and smart-home devices like curtains and light bulbs... | 7 | 5 | [
{
"comment_id": "6500413",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-05T03:00:31",
"content": "Fish feeder frees friends from failing to fastidiously feed fish for a fortnight.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6500449... | 1,760,372,608.15595 | ||
https://hackaday.com/2022/08/04/stewart-platform-wields-magic-fingers-to-massage-your-scalp/ | Stewart Platform Wields Magic Fingers To Massage Your Scalp | Dan Maloney | [
"Misc Hacks"
] | [
"end effector",
"head",
"kinematics",
"Massage",
"scalp",
"Stewart platform",
"stimulator"
] | Attention Hackaday editors: We on the writing crew hereby formally request budget allocation for installing
a Stewart platform head massager
on the chair of each workstation in the secret underground writer’s bunker. We think the benefits that will accrue thanks to reduced stress alone will more than justify the modest... | 13 | 6 | [
{
"comment_id": "6500389",
"author": "philosiraptor117",
"timestamp": "2022-08-05T00:24:53",
"content": "there is something vaguely permissive about this, id love to see an open cv implementation with a big ol kuka arm to do this, something about a robot that can punch through your face instantly do... | 1,760,372,608.258905 | ||
https://hackaday.com/2022/08/03/brass-plaque-honors-brother/ | Brass Plaque Honors Brother | Brian McEvoy | [
"cnc hacks"
] | [
"brass",
"copper",
"electro-etching",
"electroetching",
"electrolysis",
"etching",
"memorial",
"metal etching",
"vinyl",
"vinyl cutter"
] | Brass plaques are eye-catching
because no one makes them on a whim. They are more costly than wood or plastic, and processing them is proportionally difficult. [Becky Stern] picked the medium to honor her brother, who enjoyed coffee, motorcycles, and making things by hand. She made some playing card-sized pieces to ado... | 10 | 4 | [
{
"comment_id": "6500147",
"author": "HaHa",
"timestamp": "2022-08-04T06:33:49",
"content": "You can use a similar method to cut spring steel. Just paint with etching primer and scratch the outline. Great for making replacement read valves for your pulse jet. You do have a pulse jet? If not stop was... | 1,760,372,608.206396 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.