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https://hackaday.com/2021/09/14/hacking-the-wooly-mammoth/ | Hacking The Wooly Mammoth | Al Williams | [
"News"
] | [
"cloning",
"CRISPR",
"dna",
"wooly mammoth"
] | In case you can’t get enough Jurassic Park movies, you can look forward to plans a biotech company has to
hybridize endangered Asian elephants with long-extinct wooly mammoths
using gene splicing and other exotic techniques.
Expect a long movie, the team hopes to have calves after six years and we don’t think a theme p... | 19 | 13 | [
{
"comment_id": "6380749",
"author": "Ostracus",
"timestamp": "2021-09-15T02:59:09",
"content": "Maybe with some advanced sequencing this project could work.https://www.cell.com/cell-systems/fulltext/S2405-4712(21)00332-X",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comme... | 1,760,372,950.609194 | ||
https://hackaday.com/2021/09/14/harp-uses-frikin-lasers/ | Harp Uses Frikin’ Lasers | Al Williams | [
"Arduino Hacks",
"Laser Hacks",
"Musical Hacks",
"News"
] | [
"arduino",
"electric harp",
"harp",
"laser harp",
"midi",
"MIDI harp"
] | We aren’t sure if you really need lasers to build [HoPE’s]
laser harp
. It is little more than some photocells and has an Arduino generate tones based on the signals. Still, you need to excite the photocells somehow, and lasers are cheap enough these days.
Mechanically, the device is a pretty large wooden structure. Th... | 12 | 6 | [
{
"comment_id": "6380747",
"author": "Craig Hollabaugh",
"timestamp": "2021-09-15T02:58:26",
"content": "There’s a giant one of these at Meow Wolf in Santa Fe. Glad another exists. Thanks for the post.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6380751",
... | 1,760,372,950.449586 | ||
https://hackaday.com/2021/09/14/gorgeous-battery-welder-hits-the-spot/ | Gorgeous Battery Welder Hits The Spot | Ryan Flowers | [
"Arduino Hacks",
"classic hacks",
"how-to"
] | [
"arduino",
"battery welder",
"lithium ion",
"mahogany",
"spot",
"spot welder",
"welder",
"wood working"
] | Raise you’re hand if you’ve ever soldered directly to a battery even though you know better. We’ve all been there. Sometimes we get away with it when we have a small pack and don’t care about longevity. But when [Robert Dunn] needed to build a battery pack out of about 120 Lithium Ion cells, he knew that he had to do i... | 32 | 10 | [
{
"comment_id": "6380664",
"author": "Gewandsznajder",
"timestamp": "2021-09-14T20:10:35",
"content": "After the 3:15 welding stuff doesn’t he short all the laminations? I thought the laminations were supposed to be electrically insulated to reduce loss from eddy currents. At that specs would that b... | 1,760,372,951.162522 | ||
https://hackaday.com/2021/09/14/lithium-mine-to-battery-line-tesla-battery-day-and-the-future-of-evs/ | Lithium Mine To Battery Line: Tesla Battery Day And The Future Of EVs | Maya Posch | [
"car hacks"
] | [
"lithium battery",
"tesla"
] | After last year’s Tesla Battery Day presentation and the flurry of information that came out of it, [The Limiting Factor]
spent many months researching the countless topics behind Tesla’s announced plans
, the resource markets for everything from lithium to copper and cobalt, and what all of this means for electrical v... | 15 | 2 | [
{
"comment_id": "6380686",
"author": "Redhatter (VK4MSL)",
"timestamp": "2021-09-14T21:20:51",
"content": "That’s LiFePO₄ not LFP.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6380688",
"author": "rpavlik",
"timestamp": "2021-09-14T21:26:36... | 1,760,372,950.704922 | ||
https://hackaday.com/2021/09/14/the-worlds-first-autonomous-electric-cargo-ship-is-due-to-set-sail/ | The World’s First Autonomous Electric Cargo Ship Is Due To Set Sail | Lewin Day | [
"Featured",
"green hacks",
"Interest",
"Original Art",
"Transportation Hacks"
] | [
"boat",
"container shipping",
"electric ship",
"electric shipping",
"ship",
"shipping"
] | Maritime shipping is big business, with gigantic container ships responsible for moving the vast majority of the world’s goods from point A to points B, C and D. Of course, there’s a significant environmental impact from all this activity, something ill befitting the cleaner, cooler world we hope the future will be. Th... | 55 | 14 | [
{
"comment_id": "6380606",
"author": "ameyring",
"timestamp": "2021-09-14T17:08:13",
"content": "Yay, a step in the right direction since ship routes are pretty standard from what I’ve seen. However, what’s to keep a hijacker from taking the ship? Hope the owner has a way to disable the ship so it’s... | 1,760,372,950.9286 | ||
https://hackaday.com/2021/09/14/3d-objects-without-scanning/ | 3D Objects Without Scanning | Al Williams | [
"3d Printer hacks"
] | [
"3d scanning",
"blender",
"Photogrammetry"
] | There are many scanners — both commercial and homemade — that can take a variety of scans or images of a 3D object and convert it into something like a 3D printable file. When the process works, it works well, but the results can be finicky at best and will require a lot of manual tuning. According to [Samuel Garbett],... | 24 | 9 | [
{
"comment_id": "6380590",
"author": "Alex365",
"timestamp": "2021-09-14T16:14:18",
"content": "Even though I was building/operating 3D-Scanners for a living, I often told people, that certain objects are far easier modelled than scanned. If it happens to be an engineered part with sane dimensions i... | 1,760,372,950.989244 | ||
https://hackaday.com/2021/09/14/a-rant-on-personal-software-projects/ | A Rant On Personal Software Projects | Matthew Carlson | [
"Engineering",
"Hackaday Columns",
"Rants",
"Software Development"
] | [] | Looking across your hard drive and GitHub, you might find hundreds of notes and skeletons of Git repositories. A veritable graveyard of software side projects. The typical flow for many of these projects is: get an idea, ruminate on the idea until it becomes exciting, eventually becoming more exciting than the current ... | 41 | 18 | [
{
"comment_id": "6380525",
"author": "Mike",
"timestamp": "2021-09-14T14:23:19",
"content": "for the project usually dies in 2 ways. 1) when I do search to figure out some messed up syntax or trying to add some function/feature to the program. Excited yes to get it to work and while doing a search o... | 1,760,372,950.835262 | ||
https://hackaday.com/2021/09/15/3d-printed-scooter-zips-around/ | 3D Printed Scooter Zips Around | Al Williams | [
"3d Printer hacks",
"The Hackaday Prize",
"Transportation Hacks"
] | [
"2021 Hackaday Prize",
"balancing scooter",
"electric scooter"
] | Tooling around downtown on a personal electric vehicle is a lot of fun, but it is even better when you do like [James Dietz] and ride on
your own 3D-printed electric scooter
. As one of the entries for the Hackaday Prize, RepRaTS (Replicable Rapid prototyper Transportation System) has a goal of doing for scooters what ... | 8 | 1 | [
{
"comment_id": "6381089",
"author": "iifdy",
"timestamp": "2021-09-15T21:42:51",
"content": "Electric scooters were a stupid idea in the 90s (but back then it was just a very niche toy for rich kids) and they are still a stupid idea nowdays. My wife works as nurse in city hospital. She says the amo... | 1,760,372,950.652632 | ||
https://hackaday.com/2021/09/15/the-many-ways-to-solve-your-enclosure-problems/ | The Many Ways To Solve Your Enclosure Problems | Bob Baddeley | [
"Hackaday Columns",
"Interest",
"Slider"
] | [
"3d printing",
"cardboard",
"clay",
"Laser cutting",
"moldable"
] | Most projects around here involve some sort of electronics, and some sort of box to put them in. The same is true of pretty much all commercially available electronic products as well.
Despite that, selecting an enclosure is far from a solved problem. For simple electronics it’s entirely possible to spend more time get... | 63 | 28 | [
{
"comment_id": "6380978",
"author": "Shirley Marquez",
"timestamp": "2021-09-15T17:27:46",
"content": "Let’s not forget enclosures that are manufactured for some other purpose and reused. Altoids tins are a popular one for small electronics projects; they’re cheaper than the purpose-made boxes from... | 1,760,372,951.092414 | ||
https://hackaday.com/2021/09/15/smart-home-hack-breaks-down-walls-figuratively-and-literally/ | Smart Home Hack Breaks Down Walls Figuratively And Literally | Ryan Flowers | [
"Android Hacks",
"home hacks"
] | [
"android root",
"hvac",
"plc",
"plc hack",
"rootkit",
"smart home",
"smart home hack"
] | Are you ready for a tale of poorly supported hardware, clueless contractors, and bad coding? Look no further than [Neighborino]’s
excellent write-up where he details his pursuit of smart home pwnership
.
[Neighborino]’s smart home system controls the windows, blinds, outlets, and HVAC. But by the time the high-rise apa... | 11 | 5 | [
{
"comment_id": "6380998",
"author": "SteveS",
"timestamp": "2021-09-15T18:15:24",
"content": "Sigh.This is something we’re going to seeforeverin smart homes.Builders are going to install the flavor of the month from whoever sells it most cheaply. It’s already the norm with “builder grade” carpet, p... | 1,760,372,950.755918 | ||
https://hackaday.com/2021/09/15/monoclonal-antibodies-the-guided-missiles-of-medicine/ | Monoclonal Antibodies: The Guided Missiles Of Medicine | Dan Maloney | [
"Featured",
"Interest",
"News",
"Original Art",
"Slider"
] | [
"antibodies",
"antigen",
"Covid-19",
"epitope",
"fusion",
"hybridoma",
"immumology",
"monoclonal",
"myeloma",
"polyclonal",
"SARS-CoV-2"
] | Whenever anyone mentions the word “antibodies” these days, it’s sure to grab your attention. Thoughts generally flow to the human immune system and the role it plays in the ongoing COVID-19 pandemic, and to how our bodies fight off disease in general. The immune system is complex in the extreme, but pretty much everyon... | 11 | 7 | [
{
"comment_id": "6380910",
"author": "Greg A",
"timestamp": "2021-09-15T14:18:24",
"content": "i love reading journal articles on the biochemistry of the immune system. it’s always astonishing how much is known, how many complicated tests are possible. but then it’s a little sobering to realize, w... | 1,760,372,951.216288 | ||
https://hackaday.com/2021/09/15/bringing-a-ruined-game-boy-cart-back-to-life-with-tons-of-soldering/ | Bringing A Ruined Game Boy Cart Back To Life With Tons Of Soldering | Lewin Day | [
"Nintendo Game Boy Hacks",
"Repair Hacks"
] | [
"corrosion",
"game boy",
"nintendo",
"repair"
] | Retro consoles and handhelds are full of nostalgia and happy memories for many. However, keeping these machines and their media going can be a difficult job at times. [Taylor] was challenged to rescue a copy of Kirby’s Dream Land for the original Game Boy,
and set about the task
.
The cartridge was badly corroded, with... | 17 | 5 | [
{
"comment_id": "6380887",
"author": "deshipu",
"timestamp": "2021-09-15T12:09:22",
"content": "I wonder why nobody would make a more-or-less universal cartridge PCB, to which you could just move all the relevant components. It’s not like the schematic is a secret. There are probably a dozen combina... | 1,760,372,951.772771 | ||
https://hackaday.com/2021/09/15/german-experiment-shows-horses-beating-local-internet-connections/ | German Experiment Shows Horses Beating Local Internet Connections | Lewin Day | [
"internet hacks",
"News"
] | [
"fiber",
"fiber optic",
"horse",
"internet",
"internet speed"
] | These days, we’re blessed with wired and wireless networks that can carry huge amounts of data in the blink of an eye. However, some areas are underprovisioned with bandwidth, such as Schmallenberg-Oberkirchen in Germany. There, reporters ran a test last December to see which would be faster:
the Internet, or a horse?
... | 61 | 31 | [
{
"comment_id": "6380831",
"author": "Mick Tee",
"timestamp": "2021-09-15T08:14:02",
"content": "Interesting adaption of RFC1149, which has been the gold standard for bandwidth comparisons for decades.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6380837",... | 1,760,372,951.553206 | ||
https://hackaday.com/2021/09/14/useless-machine-is-a-clock/ | Useless Machine Is A Clock | Bryan Cockfield | [
"clock hacks"
] | [
"battery",
"clock",
"fall",
"opencv",
"raspberry pi",
"servo",
"useless machine",
"wall"
] | Useless machines are a fun class of devices which typically turn themselves off once they are switched on, hence their name. Even though there’s no real point, they’re fun to build and to operate nonetheless. [Burke] has followed this idea in spirit by putting an old clock he had to use with his take on a useless machi... | 15 | 12 | [
{
"comment_id": "6380792",
"author": "geocrasher",
"timestamp": "2021-09-15T05:30:19",
"content": "This is brilliant!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6380801",
"author": "BillSF9c",
"timestamp": "2021-09-15T06:06:05",
"content": "Lov... | 1,760,372,951.459601 | ||
https://hackaday.com/2021/09/14/whats-cooler-than-a-7-segment-display-a-7200-segment-display/ | What’s Cooler Than A 7-Segment Display? A 7200-Segment Display! | Jim Heaney | [
"Art",
"LED Hacks",
"Raspberry Pi"
] | [
"7-segment display",
"art",
"Chris Combs",
"i2c",
"IS31FL3733",
"multiple 7-segment display"
] | If you look around your desk right now, odds are you’ll see a 7-segment display or two showing you some vital information like the time or today’s weather. But think of how much information you could see with over 1,100 digits, like with
[Chris Combs’] 7200-segment display.
For [Chris], this project started the same wa... | 17 | 8 | [
{
"comment_id": "6380470",
"author": "Danjovic",
"timestamp": "2021-09-14T11:35:15",
"content": "Absolutely gorgeous! It is nice to see electonics and art together.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6380473",
"author": "Carl",
"timestamp":... | 1,760,372,951.876452 | ||
https://hackaday.com/2021/09/14/salvaging-working-leds-from-dead-light-bulbs/ | Salvaging Working LEDs From “Dead” Light Bulbs | Tom Nardi | [
"LED Hacks"
] | [
"led",
"led bulb",
"light bulb",
"salvage"
] | Sure the box
said
they would last for years or even decades, but anyone who’s picked up some bargain LED bulbs knows the reality is a bit more complicated. Sometimes a few LEDs in the array pop, reducing the overall light output. More commonly, the power supply starts to fail and the bulb begins to flicker or hum. In e... | 22 | 8 | [
{
"comment_id": "6380426",
"author": "Sprite_tm",
"timestamp": "2021-09-14T08:14:45",
"content": "I’d posit an even better way is to take preventative measures… modern LED bulbs generally aren’t made from shitty components, but they do suffer massively from the fact that these components are driven ... | 1,760,372,951.613895 | ||
https://hackaday.com/2021/09/13/the-labor-of-love-that-is-recovering-lost-software/ | The Labor Of Love That Is Recovering Lost Software | Chris Wilkinson | [
"Retrocomputing"
] | [
"cassette tape",
"retrocomputing",
"software preservation",
"spectrum",
"zx81"
] | At the beginning of the home computer revolution, the humble compact cassette was far and away the most popular choice for microcomputer data storage, especially on the European continent. As a volunteer at the Museum of Computing, [Keith] was instrumental in
recovering and archiving the early works of Roger Dymond
, a... | 9 | 6 | [
{
"comment_id": "6380412",
"author": "pıʌɐp (@sinusoidal)",
"timestamp": "2021-09-14T05:08:13",
"content": "One nice thing about tape is that it is generally an extremely forgiving and flexible format. If all else fails, you can usually just read it back at a really low(but stable) speed on an analo... | 1,760,372,951.819769 | ||
https://hackaday.com/2021/09/13/ray-casting-101-makes-things-simple/ | Ray Casting 101 Makes Things Simple | Al Williams | [
"Software Hacks"
] | [
"3d graphics",
"graphics",
"ray tracing"
] | [SSZCZEP] had a tough time understanding ray tracing to create 3D-like objects on a 2D map. So once he figured it out,
he wrote a tutorial he hopes will be more accessible
for those who may be struggling themselves.
If you’ve ever played
Wolfenstein 3D
you’ll have seen the technique, although it crops up all over the p... | 16 | 10 | [
{
"comment_id": "6380400",
"author": "BrightBlueJim",
"timestamp": "2021-09-14T04:10:01",
"content": "Al, I don’t know what game you’re referring to that the demos reminded you of, but what they remind ME of is Flatland. Whereas ray-tracing is typically used to project 3D spaces onto 2D displays, t... | 1,760,372,951.926106 | ||
https://hackaday.com/2021/09/13/vektor-kollektor-inspector/ | Vektor Kollektor Inspector | Michael Shaub | [
"Art",
"Microcontrollers",
"Musical Hacks",
"News"
] | [
"arduino",
"arduino nano",
"art",
"chip tunes",
"plotter",
"public art"
] | With the world opening up again, [Niklas Roy] and [Kati Hyyppä] have been busy making a public and collaborative project.
Meet the Vektor Kollektor
, a portable drawing machine experience, complete with a chip-tune soundtrack. It’s great to see public art meet the maker community with zero pretension and a whole lot of... | 3 | 1 | [
{
"comment_id": "6380380",
"author": "x14km2d",
"timestamp": "2021-09-14T01:05:58",
"content": "Oh, yeah. I agree with you on that one. I would also like to see the Spray Painted Plotter project as a video and maybe even a github project.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,951.970718 | ||
https://hackaday.com/2021/09/13/clocktal-for-when-reading-a-clock-is-just-too-easy/ | ClOCkTAL: For When Reading A Clock Is Just Too Easy | Dave Rowntree | [
"clock hacks"
] | [
"Bresenham",
"led matrix display",
"octal",
"PIC16F",
"SDCC"
] | Over on Hackaday.io, [danjovic] presents
clOCkTAL, a simple LED clock
for those of us who struggle with the very concept of making it easy to read the time. Move aside binary clocks, you’re
easy
, let’s talk binary coded octal. Yes, it is a thing. We’ll leave it to [danjovic] to describe how to read the time from it:
D... | 17 | 10 | [
{
"comment_id": "6380351",
"author": "SteveS",
"timestamp": "2021-09-13T20:47:32",
"content": "Ah man! I overslept again! it’s almost 11100101 !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6380364",
"author": "Iván Stepaniuk",
"timestamp": "2021-09-... | 1,760,372,952.073133 | ||
https://hackaday.com/2021/09/13/glados-voice-assistant-passive-aggressively-automates-home/ | GLaDOS Voice Assistant Passive-Aggressively Automates Home | Ryan Flowers | [
"home entertainment hacks",
"home hacks",
"Raspberry Pi",
"Robots Hacks"
] | [
"glados",
"portal",
"portal 2",
"raspberry pi",
"ReSpeaker"
] | With modern voice assistants we can tell a computer to play our favorite music, check the weather, or turn on a light. Like many of us, [nerdaxic] gave in to the convenience and perceived simplicity of various home automation products made by Google and Amazon. Also like many of us, he found it a bit difficult to accep... | 7 | 5 | [
{
"comment_id": "6380373",
"author": "Mart",
"timestamp": "2021-09-13T23:52:39",
"content": "Overkill loll thumbs up",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6380377",
"author": "Garth Bock",
"timestamp": "2021-09-14T00:54:22",
"content... | 1,760,372,952.013848 | ||
https://hackaday.com/2021/09/13/even-bees-are-abuzz-about-caffeine/ | Even Bees Are Abuzz About Caffeine | Kristina Panos | [
"chemistry hacks",
"Hackaday Columns",
"Science",
"Slider"
] | [
"bees",
"caffeine",
"energy",
"fake flowers"
] | Many of us can’t get through the day without at
minimum
one cup of coffee, or at least, we’d rather not think about trying. No matter how you choose to ingest caffeine, it is an awesome source of energy and focus for legions of hackers and humans. And evidently, the same goes for pollinator bees.
You’ve probably heard ... | 33 | 11 | [
{
"comment_id": "6380288",
"author": "Coffee Bean",
"timestamp": "2021-09-13T17:11:53",
"content": "I thought caffeine was poisonous to insects and that was even the whole reason some plants evolved the ability to produce it.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,952.14667 | ||
https://hackaday.com/2021/09/13/cisco-router-repair-revives-piece-of-internet-history/ | Cisco Router Repair Revives Piece Of Internet History | Tom Nardi | [
"Repair Hacks",
"Retrocomputing"
] | [
"cisco",
"recapping",
"repair",
"router",
"teardown",
"troubleshooting"
] | It would be fair to say that the Internet as we know it runs on Cisco hardware. While you might never see the devices first-hand, there’s an excellent chance that every web-bound packet leaving your computer or smartphone will spend at least a few milliseconds of its life traveling through hardware built by the San Jos... | 27 | 10 | [
{
"comment_id": "6380248",
"author": "Ben",
"timestamp": "2021-09-13T15:15:24",
"content": "I’m not convinced the opening sentence is a truth any more. I think theres a lot more HW provider diversification now.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,372,952.407172 | ||
https://hackaday.com/2021/09/13/pinning-tails-on-satellites-to-help-prevent-space-junk/ | Pinning Tails On Satellites To Help Prevent Space Junk | Tom Nardi | [
"Engineering",
"Featured",
"Parts",
"Slider",
"Space"
] | [
"cubesat",
"deorbit",
"Lorentz force",
"reentry",
"SmallSat",
"space junk",
"space tech",
"Tether"
] | Low Earth orbit was already relatively crowded when only the big players were launching satellites, but as access to space has gotten cheaper, more and more pieces of hardware have started whizzing around overhead. SpaceX alone has launched nearly 1,800 individual satellites as part of its Starlink network since 2019, ... | 32 | 13 | [
{
"comment_id": "6380224",
"author": "Alice Lalita Heald",
"timestamp": "2021-09-13T14:10:35",
"content": "Please stop polluting the orbit with useless science! (seehttps://www.imdb.com/title/tt0387808/)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6380276... | 1,760,372,952.340569 | ||
https://hackaday.com/2021/09/13/firmware-modding-your-vintage-nokia-handset/ | Firmware Modding Your Vintage Nokia Handset | Chris Wilkinson | [
"Cellphone Hacks",
"Retrocomputing"
] | [
"5110",
"firmware",
"nokia",
"softmod"
] | These days we’re spoiled for choice when it comes to smartphone software, especially games. Official repositories for the leading handsets feature hundreds of thousands of games, and sideloading adds infinite possibilities. If you were lucky enough to be sporting a Nokia handset in the late 1990s, you probably had all ... | 9 | 6 | [
{
"comment_id": "6380189",
"author": "Jonathan Wilson",
"timestamp": "2021-09-13T12:09:03",
"content": "I still remember some of the tricks I was able to do via flashing on my Nokia N900 linux phone (I stopped using it because the USB/charge port broke, the cellular radio started becoming flaky and ... | 1,760,372,952.260473 | ||
https://hackaday.com/2021/09/13/how-the-ps5s-genuinely-clever-adaptive-triggers-work/ | How The PS5’s Genuinely Clever Adaptive Triggers Work | Donald Papp | [
"Games",
"Playstation Hacks"
] | [
"dualsense",
"force feedback",
"haptic triggers",
"playstation",
"ps5",
"teardown"
] | Sony’s Playstation 5 console and its DualSense controllers aren’t exactly new, but
the triggers of the controllers have a genuinely interesting design
that is worth examining. The analog triggers on the PS5 controllers are generally described as having “variable resistance”, but it turns out that’s not the whole story.... | 27 | 8 | [
{
"comment_id": "6380139",
"author": "Tom Cook",
"timestamp": "2021-09-13T08:39:27",
"content": "Am I the only one really struggling to find a difference between “resistance” and “push back”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6380140",
"... | 1,760,372,952.808668 | ||
https://hackaday.com/2021/09/12/documentation-is-hard-let-the-skunkworks-project-show-you-how-to-do-it-well/ | Documentation Is Hard, Let The SkunkWorks Project Show You How To Do It Well | Orlando Hoilett | [
"3d Printer hacks",
"Toy Hacks"
] | [
"Bo Peep",
"Buzz Lightyear",
"Cardboard model",
"mattel",
"pixar",
"Sheriff Woody",
"Skunkmobile",
"textiles",
"Toy Story"
] | Documentation can be a bit of a nasty word, but it’s certainly one aspect of our own design process that we all wish we could improve upon. As an award-winning designer, working with some of the best toy companies around, [Jude] knows a thing or two about showing your work. In his
SkunkWorks Project
, he takes a maker’... | 6 | 5 | [
{
"comment_id": "6380125",
"author": "Andrew",
"timestamp": "2021-09-13T05:59:38",
"content": "I make prototypes in cardboard too! This is awesome. Previously I use tape and scissors, but I have a laser cutter on loan, which means everything is a 3D representative model cut from corrugated cardboard... | 1,760,372,952.647274 | ||
https://hackaday.com/2021/09/12/overengineering-a-smart-doorbell/ | Overengineering A Smart Doorbell | Jenny List | [
"cons",
"Machine Learning",
"News"
] | [
"doorbell",
"newline",
"raspeberry pi"
] | Fresh from the mediaeval splendour of the Belgian city of Gent, we bring you more from the Newline hacker conference organised by Hackerspace Gent. [Victor Sonck] works at the top of his house, and thus needed a doorbell notifier. His solution was unexpected, and as he admits over engineered,
using machine learning on ... | 19 | 12 | [
{
"comment_id": "6380101",
"author": "NiHaoMike",
"timestamp": "2021-09-13T02:35:29",
"content": "If it’s the old style of bell with the interrupting contacts, an AM radio would be an easy way to detect it operating. Could base the detection on a crystal radio placed as close to the bell as possible... | 1,760,372,952.969389 | ||
https://hackaday.com/2021/09/12/hackaday-links-september-12-2021/ | Hackaday Links: September 12, 2021 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"amateur radio",
"antenna",
"conference",
"emc",
"GnuRadio",
"hackaday links",
"ham",
"insulin pump",
"international space station",
"iss",
"tuning stubs"
] | The last thing an astronaut or cosmonaut on the International Space Stations wants to hear from one of their crewmates is, “Do you smell plastic burning?” But that’s
apparently what happened this week
aboard the increasingly problematic spacecraft, as the burning smell and visible smoke spread from the Russian Zvezda m... | 7 | 5 | [
{
"comment_id": "6380094",
"author": "Tenaja",
"timestamp": "2021-09-13T01:14:21",
"content": "“we hadn’t considered the potential for disaster while shipping batteries like that.”Well, WE had…and did the testing to prove it was safe, immediately after we found out that there is up to a $25,000 fine... | 1,760,372,952.69193 | ||
https://hackaday.com/2021/09/12/successfully-crowdfunded-hardware-everything-behind-the-scenes/ | Successfully Crowdfunded Hardware: Everything Behind The Scenes | Donald Papp | [
"ATtiny Hacks",
"Crowd Funding",
"hardware"
] | [
"crowdfunding",
"ctf",
"fulfillment",
"hardware",
"product",
"The Skull"
] | Crowdfunding hardware has its own unique challenges, and [Uri Shaked] wrote
a fascinating report that goes into excellent detail about his experience bringing a crowdfunded hardware project to life
.
[Uri]’s project was
The Skull CTF
, an electronic hardware puzzle that came in the shape of a PCB skull, and his detaile... | 5 | 4 | [
{
"comment_id": "6380087",
"author": "Ren",
"timestamp": "2021-09-12T22:02:59",
"content": "I didn’t finish reading Uri’s blog, but I am impressed by the amount of detail he included.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6380102",
"author": "Inhi... | 1,760,372,952.596221 | ||
https://hackaday.com/2021/09/12/massive-cleaning-effort-saves-acid-drenched-atari/ | Massive Cleaning Effort Saves Acid-Drenched Atari | Robin Kearey | [
"Repair Hacks"
] | [
"atari 800xl",
"battery leakage",
"cleaning"
] | Anyone who’s ever had to deal with the aftermath of a leaking battery knows how much damage such a failure can cause. Degrading batteries leak corrosive chemicals that eat away PCB traces, clog up connectors and generally leave everything looking nasty. Getting your gadget working again usually calls for lots of scrubb... | 13 | 5 | [
{
"comment_id": "6379979",
"author": "Red-Fathom",
"timestamp": "2021-09-12T17:17:52",
"content": "Alkali batteries are so much worse than acidic ones.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6379987",
"author": "lee smith",
"timestamp": "2021-0... | 1,760,372,952.74048 | ||
https://hackaday.com/2021/09/12/making-a-car-key-from-a-ratcheting-wrench/ | Making A Car Key From A Ratcheting Wrench | Lewin Day | [
"car hacks",
"lockpicking hacks",
"Misc Hacks"
] | [
"car",
"car key",
"key cutting"
] | Car keys these days are remarkably complex beasts. Covered in buttons and loaded with security transponders, they often cost hundreds of dollars to replace if you’re unlucky enough to lose them. However, back in the day, keys used to just be keys — a hunk of metal in a mechanical pattern to move some levers and open a ... | 45 | 11 | [
{
"comment_id": "6379916",
"author": "CM",
"timestamp": "2021-09-12T14:34:05",
"content": "Really cool hack, but bad for overall longevity of the lock cylinder. Keys are made of softer metal for more reasons than just ease of cutting: the cylinder pins will outlive the key. Wrenches are made from ch... | 1,760,372,953.051486 | ||
https://hackaday.com/2021/09/12/using-homebrew-coils-measure-mains-current-and-taking-the-circuit-breaker-challenge/ | Using Homebrew Coils To Measure Mains Current, And Taking The Circuit Breaker Challenge | Dan Maloney | [
"Misc Hacks"
] | [
"circuit breaker",
"coil",
"current",
"induction",
"mains",
"nonmetallic",
"residential",
"romex",
"transformer",
"winding",
"wiring"
] | Like many hackers, [Matthias Wandel] has a penchant for measuring the world around him, and quantifying the goings-on in his home is a bit of a hobby. And so when it came time to sense the current flowing in the wires of his house, he did what any of us would do:
he built his own current sensing system
.
What’s that yo... | 21 | 9 | [
{
"comment_id": "6379889",
"author": "Bob",
"timestamp": "2021-09-12T11:22:47",
"content": "So many things wrong. You can’t re-write physics for your convenience. The field at some distance from the wires sums to zero. Positive current in one conductor, negative in the other. The magnetic field ... | 1,760,372,953.116529 | ||
https://hackaday.com/2021/09/12/hey-mister-emulator-gimme-almost-any-classic-platform/ | Hey, MiSTer Emulator, Gimme Almost Any Classic Platform! | Jenny List | [
"cons",
"FPGA",
"Retrocomputing"
] | [
"emulator",
"fpga",
"MiSTER",
"newline",
"retrocomputing"
] | I’m back with another of the talks from Hackerspace Gent’s NewLine conference, fresh from my weekend of indulgence quaffing fine Belgian food and beers while mixing with that country’s hacker community. This time it’s
an overview from [Michael Smith] of the MiSTer project,
a multi-emulator using an FPGA to swap out imp... | 20 | 9 | [
{
"comment_id": "6379882",
"author": "VarnishMike",
"timestamp": "2021-09-12T09:42:23",
"content": "One small amendment, the usb hub isn’t necessary. You can run a mister system perfectly fine with just a usb otg cable. The sdram is however absolutely necessary.",
"parent_id": null,
"depth":... | 1,760,372,953.172572 | ||
https://hackaday.com/2021/09/11/3d-printed-hat-blasts-the-rain-away/ | 3D Printed HatBlastsThe Rain Away | Dave Rowntree | [
"3d Printer hacks",
"Wearable Hacks"
] | [
"3d printing",
"EDF"
] | Some ideas are so bad that we just try them anyway, at least that seems to be [Ivan Miranda]’s philosophy. No stranger to just totally ignoring the general consensus on what you can (or at least
should
) or can’t make with a 3D printer, and just getting on with it, [Ivan] may have gone a little too far this time. Since... | 32 | 20 | [
{
"comment_id": "6379860",
"author": "John7",
"timestamp": "2021-09-12T05:32:05",
"content": "Maybe not suitable for a crowd …. of TWO or more",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6379864",
"author": "Pelle van der Heide",
"timestam... | 1,760,372,953.241948 | ||
https://hackaday.com/2021/09/11/you-can-3d-print-your-own-rc-motorbikes/ | You Can 3D Print Your Own RC Motorbikes | Lewin Day | [
"Toy Hacks"
] | [
"motor bike",
"motor cycle",
"motorbike",
"motorcycle",
"radio control"
] | Radio control cars have been a popular toy for decades, but their motorcycle counterparts have always lagged behind due to balance issues and compromised agility. At the same time, a little toy motorbike can be mesmerizing in action. [brettt3] built a few of his own design that look
remarkably fun to play with.
Modeled... | 4 | 3 | [
{
"comment_id": "6379872",
"author": "John Woo",
"timestamp": "2021-09-12T07:05:35",
"content": "Videos look like the bikes use two additional wheels on the side to stabilize the bikes, not a “passive gyroscope.”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,372,953.281784 | ||
https://hackaday.com/2021/09/11/em-glitching-for-nintendo-dsi-boot-roms/ | EM-Glitching For Nintendo DSi Boot ROMs | Jenny List | [
"cons",
"Nintendo Hacks"
] | [
"em glitching",
"glitching",
"newline",
"nintendo"
] | Some hacker events are muddy and dusty affairs in distant fields, others take place in darkened halls, but I went to one that can be experienced as a luxury break in a European city steeped in culture and history. Newline takes place at Hackerspace Gent, in the Belgian city of that name, and I was there last weekend to... | 2 | 2 | [
{
"comment_id": "6379855",
"author": "CRJEEA",
"timestamp": "2021-09-12T04:28:20",
"content": "If you had a coil attached to a CD drive xy sled. And then had it pick up a series of differently sized metal heads. You could in theory automate the process completely. Like a glitching plotter.",
"pa... | 1,760,372,953.32079 | ||
https://hackaday.com/2021/09/11/thicc-gba-sp-mod-gets-easy-install-ahead-of-release/ | THICC GBA SP Mod Gets Easy Install Ahead Of Release | Tom Nardi | [
"Nintendo Game Boy Hacks"
] | [
"console mod",
"game boy advance",
"Game Boy Advance SP",
"gba",
"GBA SP",
"injection molding",
"modification",
"upgrade"
] | Back in August we covered a unique modification for the Nintendo Game Boy Advance SP which replaced the handheld’s rear panel with an expanded version that had enough internal volume for an upgraded battery, a Bluetooth audio transmitter, and support for both Qi wireless and USB-C charging. The downside was that gettin... | 4 | 1 | [
{
"comment_id": "6379895",
"author": "Ergotron",
"timestamp": "2021-09-12T12:23:40",
"content": "Really looking forward to seeing this kit hit the market. Do wonder if there’s a possibility to offer a smaller version that doesn’t have as massive a battery though. I’d rather give up a thousand or so ... | 1,760,372,953.543345 | ||
https://hackaday.com/2021/09/11/dont-sleep-on-the-lawn-theres-an-ai-powered-flamethrower-wielding-robot-about/ | Don’t Sleep On The Lawn, There’s An AI-Powered, Flamethrower-Wielding Robot About | Dave Rowntree | [
"Machine Learning",
"Robots Hacks"
] | [
"6 DOF Robot arm",
"can-bus",
"colab",
"google collaboratory",
"Jupyter Notebook",
"machine learning",
"Nvidia Jetson"
] | You know how it goes, you’re just hanging out in the yard, there aren’t enough hours in the day, and weeding the lawn is just such a drag. Then an idea just pops into your head. How about we attach a gas powered flamethrower to a robot arm, drive it around on a tank-tracked robotic base, and have it operate autonomousl... | 25 | 10 | [
{
"comment_id": "6379716",
"author": "Dane",
"timestamp": "2021-09-11T17:19:55",
"content": "This is wonderful, really well done video. The premise is absurd and it delivers. That platform must have been a pretty penny, nominally as they do not have pricing available publicly:https://indrorobotics.c... | 1,760,372,954.412861 | ||
https://hackaday.com/2021/09/11/pick-up-the-ball-and-run-with-it/ | Pick Up The Ball And Run With It | Mike Szczys | [
"Hackaday Columns"
] | [
"collaboration",
"inspiration",
"newsletter",
"open source"
] | Once in a while we get to glimpse how people build on each other’s work in unexpected and interesting ways. So it is with the GateBoy project,
a gate-level emulator built from die shots of the original Game Boy processor.
The thing is, [Austin Appleby] didn’t have to start by decapping and taking photos of the chip. He... | 2 | 2 | [
{
"comment_id": "6379879",
"author": "Rumble_in_the_Jungle",
"timestamp": "2021-09-12T09:01:04",
"content": "Mike, this is a post for HaD from the distant past. There are no buzz words in it, new readers don’t care. Maybe it’s time for a new project to fill the void and up the game?",
"parent_id... | 1,760,372,953.479175 | ||
https://hackaday.com/2021/09/11/flip-top-foundry-helps-manage-the-danger-of-metal-casting/ | Flip-Top Foundry Helps Manage The Danger Of Metal Casting | Dan Maloney | [
"Misc Hacks"
] | [
"burner",
"ceramic",
"crucible",
"forge",
"foundry",
"furnace",
"metal casting",
"propane",
"refractory"
] | Melting aluminum is actually pretty easy to do, which is why it’s such a popular metal for beginners at metal casting. Building a foundry that can melt aluminum safely is another matter entirely, and one that benefits from some of the thoughtful touches that [Andy] built into
his new propane-powered furnace
. (Video, e... | 18 | 7 | [
{
"comment_id": "6379612",
"author": "Gravis",
"timestamp": "2021-09-11T13:02:28",
"content": "Just FYI, in the US propane tanks for grills, etc. are typically the same “12 inch” diameter (likely 12.2 inch) as the helium tank he used.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,372,953.596345 | ||
https://hackaday.com/2021/09/11/save-that-old-vga-monitor-from-the-trash/ | Save That Old VGA Monitor From The Trash | Jenny List | [
"Repair Hacks",
"Video Hacks"
] | [
"monitor",
"repair",
"vga"
] | It’s quite a while since any of us unpacked a brand new VGA monitor, but since so many machines still have the ability to drive them even through an inexpensive adaptor they’re still something that finds a use. With so many old VGA flat panel monitors being tossed away they even come at the low low price of free, which... | 64 | 15 | [
{
"comment_id": "6379579",
"author": "JanW",
"timestamp": "2021-09-11T09:51:44",
"content": "Been there, done that. With Samsung screens an additional fuse often blows, too.All in all that 10 or 15eur repair cost many many years ago was a good deal for me, instead of buying a new monitor!",
"par... | 1,760,372,953.706928 | ||
https://hackaday.com/2021/09/10/retro-stereo-sid-synth-looks-and-sounds-sensational/ | Retro Stereo SID Synth Looks And Sounds Sensational | Chris Wilkinson | [
"Musical Hacks",
"Retrocomputing"
] | [
"commodore 64",
"sid",
"SID synth"
] | Over the years, plenty of work has gone into emulating the Commodore 64 6581 SID chip, but as [SlipperySeal] puts it, nothing beats the real thing.
His take on the MIDI SID-based synth
not only sounds fantastic, but looks the business.
The 6581 SID arguably blessed the Commodore 64 with some of the best sound capabilit... | 36 | 9 | [
{
"comment_id": "6379545",
"author": "Moryc",
"timestamp": "2021-09-11T05:56:33",
"content": "Blue LEDs are NOT retro! Blue LEDs are tacky. Learn the difference…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6379559",
"author": "Organism",
"... | 1,760,372,953.89841 | ||
https://hackaday.com/2021/09/10/gnu-radio-decodes-voyager-data/ | GNU Radio Decodes Voyager Data | Al Williams | [
"Radio Hacks",
"Space"
] | [
"gnu radio",
"voyager"
] | With the 44th anniversary of the launch of Voyager I, [Daniel] decided to use GNU Radio to
decode Voyager data
. The data isn’t live, but a recording from the Green Bank Telescope. The 16 GB file is in GUPPI format which stores raw IQ samples.
The file contains 64 frequency channels of just under 3MHz each. The signal ... | 12 | 5 | [
{
"comment_id": "6379551",
"author": "Drone",
"timestamp": "2021-09-11T06:13:25",
"content": "A 16 GB downloaded recording of raw data yields just 22.57 seconds of usable 8-bit data. Amazing. The extraction and demodulation process is fascinating nevertheless.",
"parent_id": null,
"depth": 1... | 1,760,372,953.771467 | ||
https://hackaday.com/2021/09/10/old-school-fastener-tutorial-is-riveting/ | Old School Fastener Tutorial Is Riveting | Ryan Flowers | [
"classic hacks",
"Repair Hacks",
"Tool Hacks"
] | [
"brass",
"copper",
"hammer",
"propane",
"riveting",
"rivets",
"Robert Murray-Smith",
"steel"
] | Whether you’re making, repairing, or hacking something together, we all need fastners. Screws, nuts and bolts, and pop rivets are handy sometimes. Various resins and even hot glue are equally useful. In some cases however the right fastener for the job eludes us, and we need another trick up our sleeve.
[Robert Murray-... | 18 | 7 | [
{
"comment_id": "6379451",
"author": "SayWhat?",
"timestamp": "2021-09-10T23:32:03",
"content": "Metal shop in Jr High a long time ago… built a nice tool tray with handle using only rivets for fasteners. Do they even have metal shop any more?",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,372,953.825813 | ||
https://hackaday.com/2021/09/10/ic-clock-uses-ammeters-for-a-unique-time-telling-display/ | IC Clock Uses Ammeters For A Unique Time-Telling Display | Jim Heaney | [
"clock hacks"
] | [
"Ammeter",
"clock",
"cmos",
"cmos logic",
"milliammeter"
] | It is a rite of passage for hackers to make a clock out of traditionally not-clock items. Whether it be blinking LEDs or servos to move the hands, we have all crafted our own ways of knowing
when
it currently is. [SIrawit] takes a new approach to this, by
using ammeters to tell the time
.
The clock is built using mostl... | 24 | 8 | [
{
"comment_id": "6379394",
"author": "Ian D",
"timestamp": "2021-09-10T20:11:08",
"content": "Hi Hackaday, Sorry, but this is not a “new approach”. I’m a long time reader and you’ve featured clocks using analog meters several times previously.https://hackaday.com/blog/?s=analog+meter+clock",
"pa... | 1,760,372,953.96401 | ||
https://hackaday.com/2021/09/10/minimal-mill-the-minamil/ | Minimal Mill: The Minamil | Bryan Cockfield | [
"cnc hacks",
"The Hackaday Prize"
] | [
"2021 Hackaday Prize",
"acrylic",
"aluminum",
"arduino",
"cnc",
"dremel",
"low cost",
"mill",
"minamil",
"pcb",
"rotary tool"
] | Having a few machine tools at one’s disposal is a luxury that not many of us are afforded, and often an expensive one at that. It is something that a large percentage of us may dream about, though, and with some commonly available tools and inexpensive electronics a few people have put together some very inexpensive CN... | 35 | 8 | [
{
"comment_id": "6379369",
"author": "Niklas Roy",
"timestamp": "2021-09-10T18:44:53",
"content": "I like the design :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6379654",
"author": "Paul McClay",
"timestamp": "2021-09-11T14:33:48",
... | 1,760,372,954.151687 | ||
https://hackaday.com/2021/09/10/nasa-are-squaring-up-against-the-asteroid-threat/ | NASA Are Squaring Up Against The Asteroid Threat | Lewin Day | [
"Engineering",
"Featured",
"Original Art",
"Science",
"Slider",
"Space"
] | [
"asteroid",
"dart",
"Didymos",
"Dimorphos"
] | The world faces many terrestrial crises right now, so it’s easy to forget that giant space rocks may one day threaten the very existence of entire civilizations. Yes, the threat of asteroid strikes is a remote one, but nevertheless something humanity may have to face one day, and one day soon.
NASA takes the issue seri... | 43 | 18 | [
{
"comment_id": "6379346",
"author": "Ostracus",
"timestamp": "2021-09-10T17:09:18",
"content": "“It’s also less desperate and drastic than other ideas involving the last-ditch use of nuclear weapons to turn away or destroy incoming objects.”https://youtu.be/Y4iGdyni_8gConsidering the size of a lot ... | 1,760,372,954.244652 | ||
https://hackaday.com/2021/09/10/hackaday-podcast-135-three-rocket-hacks-all-the-game-boy-gates-and-depth-sounding-from-a-rowboat/ | Hackaday Podcast 135: Three Rocket Hacks, All The Game Boy Gates, And Depth Sounding From A Rowboat | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Hackaday editors Mike Szczys and Tom Nardi go over the best stories and hacks from the previous week, covering everything from sidestepping rockets to homebrew OLED displays. We’ll cover an incredible attempt to
really
emulate the Nintendo Game Boy, low-cost injection molding of rubbery parts, a tube full of hypersonic... | 11 | 4 | [
{
"comment_id": "6379393",
"author": "Opossumax",
"timestamp": "2021-09-10T20:10:47",
"content": "Mike you were on the right track! Think of it as steering the bike out from under itself. You turn the handlebars right, which makes the bike turn right and lean left. Then the handlebars are slightly t... | 1,760,372,954.299545 | ||
https://hackaday.com/2021/09/10/creating-video-from-a-rom/ | Creating Video From A ROM | Jenny List | [
"Video Hacks"
] | [
"analog video",
"ttl",
"video"
] | We’re used to computers with display screens, yet how many of us have created the circuitry to drive one directly? Sure, we’ve coded up an SPI display driver on a microcontroller, but create the hardware to generate a usable video signal? That’s a little more difficult. [Jdh] has given it a go though,
with a TTL video ... | 14 | 9 | [
{
"comment_id": "6379326",
"author": "Jan",
"timestamp": "2021-09-10T15:40:58",
"content": "Been there, done that.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6379327",
"author": "mime",
"timestamp": "2021-09-10T15:45:45",
"content... | 1,760,372,954.353066 | ||
https://hackaday.com/2021/09/10/this-week-in-security-ghoscript-in-imagemagick-solarwinds-and-dhcp-shenanigans/ | This Week In Security: Ghoscript In Imagemagick, Solarwinds, And DHCP Shenanigans | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"imagemagick",
"openwrt",
"Solarwinds",
"This Week in Security"
] | A PoC
was just published
for a potentially serious flaw in the Ghostscript interpreter. Ghostscript can load Postscript, PDF, and SVG, and it has a feature from Postscript that has been a continual security issue: the
%pipe%
command. This command requests the interpreter to spawn a new process — It’s RCE as part of the... | 3 | 3 | [
{
"comment_id": "6379340",
"author": "ChipMaster",
"timestamp": "2021-09-10T16:27:50",
"content": "@Jonathan Bennett I wanted to post this real quick. Before I came here I just read a security bulletin from Debian claiming this was *JUST* fixed. So, yes, unless someone stripped Fedora’s package of G... | 1,760,372,956.324655 | ||
https://hackaday.com/2021/09/10/acousto-optic-filter-uses-sound-to-bend-light/ | Acousto-Optic Filter Uses Sound To Bend Light | Dan Maloney | [
"Laser Hacks"
] | [
"acoustic",
"acousto-optic",
"diffraction",
"filter",
"grating",
"laser",
"piezoelectric",
"RF",
"tellurium",
"tuning"
] | We all know that light and sound are wave phenomena, but of very different kinds. Light is electromechanical in nature, while sound is mechanical. Light can travel through a vacuum, while sound needs some sort of medium to transmit it. So it would seem that it might be difficult to
use sound to modify light
, but with ... | 17 | 7 | [
{
"comment_id": "6379282",
"author": "Pete Todd",
"timestamp": "2021-09-10T11:25:29",
"content": "Scophony did some remarkable work on a liquid version of this using the Jefree Cell for projection television.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "63... | 1,760,372,956.007374 | ||
https://hackaday.com/2021/09/10/putting-thousands-of-minecraft-players-on-the-same-server/ | Putting Thousands Of Minecraft Players On The Same Server | Matthew Carlson | [
"Games",
"Software Development"
] | [
"autoscale",
"minecraft",
"worldql"
] | Multi-threading was the common go-to technique for extracting more performance from a machine for several years. These days it’s all about horizontal scaling or adding more virtual machines to a pool of workers. The Minecraft server is still stuck in the past in some ways as it supports neither multi-threading nor hori... | 15 | 2 | [
{
"comment_id": "6379246",
"author": "mip",
"timestamp": "2021-09-10T08:08:35",
"content": "Too bad that so much effort is put into non-free software…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6379251",
"author": "Bleugh",
"timestamp": "... | 1,760,372,956.057531 | ||
https://hackaday.com/2021/09/09/vinygo-stereo-vinyl-recorder-will-put-you-in-the-groove/ | VinyGo Stereo Vinyl Recorder Will Put You In The Groove | Kristina Panos | [
"The Hackaday Prize"
] | [
"2021 Hackaday Prize",
"record cutter",
"record cutting",
"vinyl"
] | A long time ago, there were these vinyl recording booths. You could go in there and cut a 45PM record as easily as getting a strip of four pictures of yourself in the next booth along the boardwalk. With
their 2021 Hackaday Prize entry called VinyGo
, [mras2an] seeks to reinvigorate this concept for private use by musi... | 30 | 9 | [
{
"comment_id": "6379219",
"author": "Jon H",
"timestamp": "2021-09-10T05:09:35",
"content": "If vinyl’s scarce, why not cut it on a disk 3D printed on glass for a smooth surface? Make it a single-sided record and you don’t have to worry about the other side’s print quality.",
"parent_id": null,... | 1,760,372,956.426296 | ||
https://hackaday.com/2021/09/09/aerodynamic-buoyant-blimp-budges-into-low-cost-cargo-commerce/ | Aerodynamic Buoyant Blimp Budges Into Low Cost Cargo Commerce | Ryan Flowers | [
"Transportation Hacks"
] | [
"airship",
"autonomous",
"autonomous delivery",
"blimp",
"startup"
] | Before the Wright Brothers powered their way across the sands of Kitty Hawk or Otto Lilienthal soared from the hills of Germany, enveloping hot air in a balloon was the only way to fly. Concepts were refined as time went by, and culminated in the grand Zeppelins of the 1930’s. However since the tragic end of the Zeppel... | 22 | 10 | [
{
"comment_id": "6379214",
"author": "smellsofbikes",
"timestamp": "2021-09-10T05:05:49",
"content": "> enveloping hot air in a balloon was the only way to fly.Or helium, or hydrogen.BTW even when the Zeppelin was active, Eckener, who was running the company, felt that it was a niche product serving... | 1,760,372,956.241193 | ||
https://hackaday.com/2021/09/09/musical-cyberdeck-is-part-synth-part-midi-controller-and-all-cool/ | Musical Cyberdeck Is Part Synth, Part MIDI Controller, And All Cool | Dan Maloney | [
"Cyberdecks",
"Musical Hacks"
] | [
"cyberdeck",
"cynth",
"effects",
"midi",
"mixer",
"Patchbox OS",
"Raspberry Pi 4"
] | When a new project type starts to get a lot of exposure, it’s typically not long before we see people forking the basic concept and striking out in a new direction. It happened with POV displays, it happened with Nixie clocks, and now, it seems to be happening with cyberdecks. And that’s something we can get behind, es... | 3 | 3 | [
{
"comment_id": "6379144",
"author": "Eric Weatherby",
"timestamp": "2021-09-09T23:48:46",
"content": "*This* is a prime example of what a cyberdeck is supposed to be: a portable computer system that’s customized to do *exactly* what a specific user needs to do.",
"parent_id": null,
"depth":... | 1,760,372,956.280473 | ||
https://hackaday.com/2021/09/09/drill-press-runs-faster-on-a-treadmill-motor/ | Drill Press Runs Faster On A Treadmill Motor | Kristina Panos | [
"Tool Hacks"
] | [
"drill press",
"Office Chair",
"recycling",
"tachometer",
"treadmill motor"
] | Are you tired of the same old video style from your favorite content creators? We can’t say that we were, exactly. But nevertheless, we appreciate
this creative departure from [Eric Strebel]’s regular fare
as he soups up his drill press with an old treadmill motor and a few extra features.
First off, that commentator i... | 20 | 8 | [
{
"comment_id": "6379093",
"author": "cliff claven",
"timestamp": "2021-09-09T20:19:00",
"content": "“2.6 horsepower is a crazy amount for a drill press”That depends so much on other factors. At low speed, where I might WANT 2KW to hog out steel, the power is much less than 2KW. At higher speed wher... | 1,760,372,956.184238 | ||
https://hackaday.com/2021/09/09/rpi-python-library-has-retro-chiptunes-and-speech-covered/ | RPi Python Library Has Retro Chiptunes And Speech Covered | Dave Rowntree | [
"digital audio hacks",
"Raspberry Pi"
] | [
"chiptunes",
"python",
"raspberry pi",
"speech synthesis"
] | The classic SP0256-AL2 speech chip has featured a few times on these pages, and if you’ve not seen the actual part before, you almost certainly have heard the resulting audio output. The latest Python library from prolific retrocomputing enthusiast [Nick Bild] brings the
joy of the old chip to the Raspberry Pi platform... | 4 | 2 | [
{
"comment_id": "6379075",
"author": "thomastechguy",
"timestamp": "2021-09-09T19:21:35",
"content": "In the early 1980’s I purchase the SP0256-AL2 from Radio Shack and connected it to the I/O port on my TRS-80 (stone age Z80 PC). I also created an interrupt routine (hardware driver) to help with te... | 1,760,372,956.362868 | ||
https://hackaday.com/2021/09/09/historical-hackers-the-hacker-of-cragside-circa-1870/ | Historical Hackers: The Hacker Of Cragside, Circa 1870 | Al Williams | [
"Featured",
"History"
] | [
"Armstrong",
"cragside",
"history",
"hydroelectric",
"joseph swan",
"william armstrong"
] | Imagine visiting a home that was off the grid, using hydroelectric power to run lights, a dishwasher, a vacuum cleaner, and a washing machine. There’s a system for watering the plants and an intercom between rooms. Not really a big deal, right? This is the twenty first century, after all.
Image of Armstrong and his 7-i... | 27 | 7 | [
{
"comment_id": "6379043",
"author": "Ostracus",
"timestamp": "2021-09-09T17:24:25",
"content": "“He also thought coal was wasteful and predicted that Britain would cease coal production within 200 years.”Not quite, but working on it.https://en.wikipedia.org/wiki/Coal_mining_in_the_United_Kingdom#De... | 1,760,372,956.127588 | ||
https://hackaday.com/2021/09/09/2021-hackaday-remoticon-call-for-proposals/ | 2021 Hackaday Remoticon: Call For Proposals | Mike Szczys | [
"cons",
"Featured"
] | [
"2021 Hackaday Remoticon",
"call for proposals",
"cfp"
] | The Hackaday Remoticon is happening this November 19th and 20th and the whole Internet is invited. This time around we’re packing the weekend with talks about all the hardware, software, special skills, and inspiration that gets poured into the world of electronic stuff.
Send in your talk proposal now
! I know,
Call fo... | 4 | 2 | [
{
"comment_id": "6379085",
"author": "Cprossu",
"timestamp": "2021-09-09T19:40:46",
"content": "Woot!I do long for the day that another event like Supercon in 2019 can happen again without (or at least with less and calculated) worry/risk. Perhaps next year, but this seems to be the correct action t... | 1,760,372,955.949502 | ||
https://hackaday.com/2021/09/09/building-an-x-ray-machine/ | Building An X-Ray Machine | Matthew Carlson | [
"Medical Hacks"
] | [
"high voltage",
"medical",
"vacuum tube",
"x-ray",
"x-ray imaging",
"xray"
] | While we typically encourage hackers to make their own tools or machines when practical, x-ray machines don’t usually make that list. Despite the risk of radiation, [William Osman] has done just that and
built a homemade x-ray machine
. After receiving an eye-watering medical bill, [William] resolves to make his own x-... | 57 | 22 | [
{
"comment_id": "6379011",
"author": "Doug Leppard",
"timestamp": "2021-09-09T15:24:32",
"content": "This guy is crazy, it makes my experiments look very safe. He did make one good video and it was successful project.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_... | 1,760,372,956.657213 | ||
https://hackaday.com/2021/09/09/teardown-impassa-scw9057g-433-alarm-system/ | Teardown: Impassa SCW9057G-433 Alarm System | Tom Nardi | [
"Engineering",
"Hackaday Columns",
"home hacks",
"Teardown"
] | [
"433 mhz",
"alarm",
"alarm keypad",
"anti-tamper",
"cellular modem",
"home alarm system",
"reverse engineering",
"stm32"
] | This series of monthly teardowns was started in early 2018 as an experiment, and since you fine folks keep reading them, I keep making them. But in truth, finding a new and interesting gadget every month can sometimes be a chore. Which is why I’m always so thankful when a reader actually sends something in that they’d ... | 15 | 7 | [
{
"comment_id": "6378996",
"author": "josephsleary",
"timestamp": "2021-09-09T14:34:47",
"content": "I have one of these when we moved in and the previous owner won’t give us the code. Tried common codes but no luck getting access to my alarm system. I don’t want to pay ADT to erase it and reprogram... | 1,760,372,956.906257 | ||
https://hackaday.com/2021/09/09/ai-powered-coffee-maker-knows-a-bit-too-much-about-you/ | AI Powered Coffee Maker Knows A Bit Too Much About You | Dave Rowntree | [
"cooking hacks",
"Machine Learning",
"Raspberry Pi"
] | [
"advanced coffee machine",
"artificial intelligence",
"flask",
"machine learning",
"nixie tube",
"python",
"Raspberry Pi Zero"
] | People keep warning that Skynet and the great robot uprising is not that far away, what with all this recent AI and machine-learning malarky getting all the attention lately. But we think going straight for a terminator robot army is not a very smart approach, not least due to a lack of subtlety. We think that it’s a m... | 20 | 11 | [
{
"comment_id": "6378947",
"author": "T Bowler",
"timestamp": "2021-09-09T11:30:01",
"content": "While skimming, I saw “nixie tube hat” and got excited, but my balloon deflated when I remembered what ‘h’ ‘a’ ‘t’ means in the Pi-osphere.Oh well.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,372,957.515018 | ||
https://hackaday.com/2021/09/08/love-letter-to-commodore-64-ads-takes-us-down-memory-lane/ | Love Letter To Commodore 64 Ads Takes Us Down Memory Lane | Al Williams | [
"Retrocomputing"
] | [
"c64",
"commodore 64",
"retrocomputer"
] | If you shop, you can get a pretty nice laptop for around $595. Maybe not the top of the line, but still pretty nice with multiple cores, a large hard drive, and a big color screen. But in the 1980s, the Commodore 64 bragged that for $595, they’d give you more than anyone else at twice the price. After all, 64K of RAM! ... | 23 | 11 | [
{
"comment_id": "6378656",
"author": "Steven-X",
"timestamp": "2021-09-08T15:56:40",
"content": "Yes, back then we were doing thing never done before at home.The nice thing was the price of the C64 fell fairly quickly, as I think my first one was $299, and its replacement was $199. My second one was... | 1,760,372,956.724293 | ||
https://hackaday.com/2021/09/08/the-dark-side-of-package-repositories-ownership-drama-and-malware/ | The Dark Side Of Package Repositories: Ownership Drama And Malware | Maya Posch | [
"Featured",
"Slider",
"Software Development"
] | [
"dependency resolution",
"development",
"infrastructure",
"NPM",
"programming",
"software repositories"
] | At their core, package repositories sound like a dream: with a simple command one gains access to countless pieces of software, libraries and more to make using an operating system or developing software a snap. Yet the rather obvious flip side to this is that someone has to maintain all of these packages, and those wh... | 77 | 17 | [
{
"comment_id": "6378606",
"author": "Alice Lalita Heald",
"timestamp": "2021-09-08T14:09:18",
"content": "Can’t wait till we go back to html 1.0, life was so much faster.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6378916",
"author": "JaK",
... | 1,760,372,956.84281 | ||
https://hackaday.com/2021/09/08/game-like-its-2021-on-a-mcdonalds-touchscreen-table/ | Game Like It’s 2021 On A McDonald’s Touchscreen Table | Dave Rowntree | [
"Android Hacks",
"Games",
"home entertainment hacks"
] | [
"android",
"arcade machine",
"cocktail cabinet",
"McDonald's"
] | Some of you around the world may have come across these Android-based gaming tables installed in your local fast-food outlet, and may even have been lucky enough to paw at one that was actually working at the time.
Originally based on an ancient mini PC, with a 1080p flat panel LCD and a touch overlay, they would have ... | 6 | 1 | [
{
"comment_id": "6378582",
"author": "NQ",
"timestamp": "2021-09-08T12:08:41",
"content": "Hey it actually works! Sure beats the Taylor ice cream machines.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6378613",
"author": "Gravis",
"timesta... | 1,760,372,956.94941 | ||
https://hackaday.com/2021/09/08/controlling-external-monitors-on-m1-macs-with-undocumented-apis/ | Controlling External Monitors On M1 Macs With Undocumented APIs | Maya Posch | [
"Mac Hacks"
] | [
"DDC",
"DDC2",
"macOS"
] | Display Data Channel (DDC) is a very useful feature of modern digital displays, as it allows the graphics card (and thus the OS) to communicate with a display and control features such as brightness and contrast. The biggest negative aspect here is
the relatively poor access to this feature within an operating system l... | 8 | 3 | [
{
"comment_id": "6378556",
"author": "Alin Panaitiu",
"timestamp": "2021-09-08T08:52:18",
"content": "Developer of Lunar here.Thanks for the very nice write-up Maya!The HDMI port of the Mac mini is still blocking I2C writes. I know there are a lot of way-smarter-than-me people in this community so I... | 1,760,372,956.990332 | ||
https://hackaday.com/2021/09/07/an-inexpensive-fm-receiver-for-the-raspberry-pi/ | An Inexpensive FM Receiver For The Raspberry Pi | Chris Wilkinson | [
"Radio Hacks",
"Raspberry Pi"
] | [
"fm radio",
"hackaday.io",
"qn8035",
"raspberry pi"
] | At this point, there are no shortage of impressive hacks for the Raspberry Pi. [Dilshan Jayakody] recently documented his experience in designing and building an
inexpensive FM Stereo Receiver for the Pi platform
, and the results are impressive.
Quite a few FM receiver projects center around the RDA5807 or TEA5767 ICs... | 39 | 13 | [
{
"comment_id": "6378514",
"author": "Flotsam",
"timestamp": "2021-09-08T05:25:53",
"content": "“FM radio is on a slow decline into obsolescence”Not in cyclone-prone regions. It’s often the only way information can be disseminated after a big one. A cheap wind-up receiver is part of our storm prep k... | 1,760,372,957.127873 | ||
https://hackaday.com/2021/09/07/dont-bristle-teethbrush-wont-hurt-you/ | Don’t Bristle; Teethbrush Won’t Hurt You | Kristina Panos | [
"Lifehacks",
"News",
"Tool Hacks"
] | [
"electric toothbrush",
"teethbrush"
] | Good dental hygiene is the first line of defense when it comes to your health, and– you’re already bored, aren’t you? It’s totally true, though. Take care of your teeth, and the rest of you has a better chance of staying fairly healthy.
This is like, the one thing we have control over after diet and exercise, and most ... | 33 | 16 | [
{
"comment_id": "6378467",
"author": "Sonny_Jim",
"timestamp": "2021-09-08T03:22:51",
"content": "These scams were all over Kickstarter/IGG a couple of years ago. TL;DR they don’t work, it’s essentially a pager vibrator motor in a silicon mould. Some of the fancier products would have ‘UV sterilis... | 1,760,372,957.19843 | ||
https://hackaday.com/2021/09/07/ikea-wardrobe-holds-entire-hardware-workspace/ | IKEA Wardrobe Holds Entire Hardware Workspace | Robin Kearey | [
"home hacks"
] | [
"furniture",
"ikea",
"workspace"
] | If you’re like us, you probably don’t finish a typical hardware project in one sitting. This doesn’t have to be a problem if you’re fortunate enough to have a dedicated workbench for your hacking activities; you simply leave your current project there, ready to continue when you have time again. But this is not always ... | 18 | 14 | [
{
"comment_id": "6378420",
"author": "david",
"timestamp": "2021-09-07T23:09:57",
"content": "This is a clever idea. as an international student, I am frequently changing places and running low of empty space where I can work on my projects. Thanks Robin and Batta for sharing this.",
"parent_id... | 1,760,372,957.051912 | ||
https://hackaday.com/2021/09/09/highly-configurable-open-source-microscope-cooked-up-in-freecad/ | Highly Configurable Open Source Microscope Cooked Up In FreeCAD | Dave Rowntree | [
"hardware",
"Tool Hacks"
] | [
"3d printing",
"arduino",
"freecad",
"KiCAD",
"microscope",
"open source hardware"
] | What do you get when you cross a day job as a Medical Histopathologist with an interest in 3D printing and programming? You get a fully-baked Open Source microscope, specifically the
Portable Upgradeable Modular Affordable
(or PUMA), that’s what. And this is no toy microscope. By combining a sprinkle of off-the-shelf e... | 22 | 5 | [
{
"comment_id": "6378981",
"author": "Ren",
"timestamp": "2021-09-09T13:49:30",
"content": "“PUMA cooks up quite possibly one of the best open source microscopy experiences we’ve ever tasted.”Did your word processor get the article mixed up with your article about the coffee maker?B^)Or do we just c... | 1,760,372,957.32688 | ||
https://hackaday.com/2021/09/08/spooky-usb-baby-types-out-messages-from-beyond/ | Spooky USB Baby Types Out Messages From Beyond | Tom Nardi | [
"Microcontrollers",
"Toy Hacks"
] | [
"caps lock",
"creepy doll",
"haunted toy",
"text input",
"usb hid",
"V-USB"
] | You might think it’s a bit early for us to be running Halloween hacks, but don’t worry. While this
microcontroller-equipped doll that mimics a USB keyboard to type out messages
in the creepiest way possible might
seem
like a gag gift you’d get after attending somebody’s bone-chilling holiday bash, creator [Jonathan] ac... | 3 | 2 | [
{
"comment_id": "6378990",
"author": "Ren",
"timestamp": "2021-09-09T14:11:58",
"content": "“but it’s also a great reminder about the importance of having a wedding registry.”True dat!B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6378992",
"author": "... | 1,760,372,957.264576 | ||
https://hackaday.com/2021/09/08/brain-interface-uses-tiny-needles/ | Brain Interface Uses Tiny Needles | Al Williams | [
"Science"
] | [
"brain-machine interface",
"brainwave",
"ee"
] | We often look at news out of the research community and think, “we could build that.” But the latest
brain-machine interface
from an international team including the Georgia Institute of Technology actually scares us. It uses an array of tiny needles that penetrate the skin but remain too small for your nerves to detec... | 25 | 13 | [
{
"comment_id": "6378868",
"author": "John",
"timestamp": "2021-09-09T03:21:49",
"content": "If they’re not visible to the naked eye, they can’t be long enough to go very far into your skin. I’d wear it. It must be better than dealing with shaving your head or using jelly on electrodes.",
"paren... | 1,760,372,957.450551 | ||
https://hackaday.com/2021/09/08/custom-joystick-build-guide-should-point-you-in-the-right-direction/ | Custom Joystick Build Guide Should Point You In The Right Direction | Kristina Panos | [
"Arduino Hacks",
"how-to",
"Peripherals Hacks"
] | [
"HID keyboard",
"Joystick"
] | Over the last two years, [benkster] has been perfecting their ideal flight controller. Like many people, they started out with a keyboard and mouse and eventually moved on to a joystick. While a HOTAS (hands on throttle-and-stick — e.g. a yoke controller with inputs right there on the sides) might have been the next lo... | 12 | 5 | [
{
"comment_id": "6378791",
"author": "Somun",
"timestamp": "2021-09-08T23:33:54",
"content": "If anyone thinks that a 600 Mhz micro is overkill, he could have used a Raspi 4.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6378912",
"author": "LordNot... | 1,760,372,957.568501 | ||
https://hackaday.com/2021/09/08/arduino-powered-heat-pump-controller-helps-warm-your-toes/ | Arduino Powered Heat Pump Controller Helps Warm Your Toes | Dave Rowntree | [
"green hacks",
"hardware"
] | [
"arduino",
"Heat pump"
] | Heat pump heating technology is starting to pop up more and more lately, as the technology becomes cheaper and public awareness and acceptance improves. Touted as a greener residential heating system, they are rapidly gaining popularity, at least in part due to various government green policies and tax breaks.
[Gonzho]... | 39 | 9 | [
{
"comment_id": "6378748",
"author": "Brian",
"timestamp": "2021-09-08T20:53:00",
"content": "“but the total power required is significantly less than the effective heating (or cooling) power that results.”No, it’s not, but they can have pretty good electrical to thermal efficiency.",
"parent_id... | 1,760,372,957.90641 | ||
https://hackaday.com/2021/09/08/clickspring-imagines-the-workshop-that-built-the-antikythera-mechanism/ | Clickspring Imagines The Workshop That Built The Antikythera Mechanism | Dan Maloney | [
"Misc Hacks"
] | [] | When you look at the mechanisms of antiquity, it’s hard not to wonder, “How did they ever do that?” Just a look around our own shops shows how many things are bought from suppliers that benefit from the latest in automated machinery, computer control, and clean, safe electrical power. And that’s not to mention the high... | 7 | 4 | [
{
"comment_id": "6378768",
"author": "Dave Everett",
"timestamp": "2021-09-08T21:59:56",
"content": "Tool history is the story of more precise tools being created with less precise tools.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6378780",
"auth... | 1,760,372,957.721862 | ||
https://hackaday.com/2021/09/08/books-you-should-read-bil-herds-back-into-the-storm/ | Books You Should Read: Bil Herd’s Back Into The Storm | Jenny List | [
"Hackaday Columns",
"History",
"Retrocomputing",
"Reviews",
"Slider"
] | [
"bil herd",
"commodore",
"commodore 128",
"Commodore TED"
] | It’s a morning ritual that we guess most of you share with us; before whatever work a new day will bring to sit down with a coffee and catch up with the tech news of the moment on Hackaday and other sites. Most of us don’t do many exciting things in our everyday lives, so reading about the coolest projects and the most... | 27 | 19 | [
{
"comment_id": "6378706",
"author": "irox",
"timestamp": "2021-09-08T17:23:17",
"content": "TIL: “TED” stands for Text Editing Device.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6378708",
"author": "Bil Herd",
"timestamp": "2021-09-08T17... | 1,760,372,957.790898 | ||
https://hackaday.com/2021/09/07/pandemic-gives-passersby-a-window-on-cyborg-control/ | Pandemic Gives Passersby A Window On Cyborg Control | Kristina Panos | [
"Arduino Hacks",
"Microcontrollers",
"Misc Hacks"
] | [
"art installation",
"ESP12-E",
"NodeMCU",
"remote control",
"robosapien"
] | What’s this? Another fabulous creation from [Niklas Roy] and [Kati Hyyppä] that combines art and electronics with our zeitgeist and a lot of recycled bits and bobs? You got it. Their workshop in eastern Berlin used to be a retail shop and has a large display window as a result. This seems perfect for a pair of artists ... | 3 | 2 | [
{
"comment_id": "6378231",
"author": "John",
"timestamp": "2021-09-07T08:55:30",
"content": "Not a cyborg? :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6378236",
"author": "Felix",
"timestamp": "2021-09-07T11:20:35",
"content": "I’d like to ma... | 1,760,372,957.827281 | ||
https://hackaday.com/2021/09/06/smart-laser-cutter-ad-on-detects-material-optically/ | Smart Laser Cutter Ad-on Detects Material Optically | Dave Rowntree | [
"Laser Hacks",
"Tool Hacks"
] | [
"laser cutter",
"materials",
"mit"
] | Come on now, admit it. You’ve done it. We’ve done it. You know — you were
really
sure that sheet of plastic stock you found lying around the hackerspace was acrylic right? You dialled in the settings, loaded the design, set the focus and pushed the little green ‘start’ button. Lots of black smoke, fire, and general bad... | 9 | 7 | [
{
"comment_id": "6378216",
"author": "irox",
"timestamp": "2021-09-07T06:05:32",
"content": "Wow! Awesome!Running a hackerspace with a laser is always a challenge, this would eliminate a lot of common problems.Even though I dislike software-as-service, I found Glowforge with QR coded material was a ... | 1,760,372,957.954505 | ||
https://hackaday.com/2021/09/06/this-electronics-overview-guides-new-hackers-in-the-right-direction/ | This Electronics Overview Guides New Hackers In The Right Direction | Jim Heaney | [
"Misc Hacks"
] | [
"Beginners",
"learning",
"reference"
] | Many of us don’t have a formal background to build off when taking on new hacks, we have had to teach ourselves complex concepts and learn by doing (or more commonly, by failing). To help new hackers get off the ground a bit easier, [PhilosopherFar3847] created a fantastic starter’s resource on electronics,
The Electro... | 12 | 6 | [
{
"comment_id": "6378213",
"author": "ohryo",
"timestamp": "2021-09-07T05:55:49",
"content": "A weird mix of academic knowledge and O’Reilly-like dumbing-down. Sorry, but in its current state it has little use.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,372,958.04859 | ||
https://hackaday.com/2021/09/06/homebrew-sounder-maps-the-depths-in-depth/ | Homebrew Sounder Maps The Depths In Depth | Dan Maloney | [
"Misc Hacks",
"Transportation Hacks"
] | [
"bathymetry",
"boat",
"gps",
"matplotlib",
"nmea",
"python",
"sonar",
"ultrasound"
] | For those who like to muck around in boats, there’s enough to worry about without wondering if you’re going to run aground. And there’s really no way to know that other than to work from charts that show you exactly what lies beneath. But what does one do for places where no such charts exist? Easy —
make your own home... | 10 | 8 | [
{
"comment_id": "6378188",
"author": "Anonymous",
"timestamp": "2021-09-06T23:12:16",
"content": "Good effort. I wish the video had used a narrative rather than a musical soundtrack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6378229",
"author": "ilias... | 1,760,372,957.999978 | ||
https://hackaday.com/2021/09/06/m4-breadstick-is-a-tasty-prototyping-alternative/ | M4 Breadstick Is A Tasty Prototyping Alternative | Kristina Panos | [
"The Hackaday Prize"
] | [
"2021 Hackaday Prize"
] | What does “breadboard-friendly” mean to you? It’s become a game of minimum viability. Sure, it fits in the breadboard, but are there any accessible tie points left for wires and components? What good is a development board if you can’t easily prototype with it?
A few years ago, [Michael Rangen] set out to change all of... | 10 | 10 | [
{
"comment_id": "6378174",
"author": "Bence",
"timestamp": "2021-09-06T20:59:06",
"content": "For this purpose, I’ve used my design skills to make a _vertical_ aligned demo board for myself…https://www.instructables.com/Breadboard-Compatible-PIC18F25J50-Demoboard/",
"parent_id": null,
"depth... | 1,760,372,958.097232 | ||
https://hackaday.com/2021/09/06/tiny-esp32-strider-walks-the-walk/ | Tiny ESP32 Strider Walks The Walk | Danie Conradie | [
"Robots Hacks"
] | [
"ESP32",
"robot walker",
"strandbeest"
] | Wheels might be the simplest method of locomotion for robots, but walkers are infinitely more satisfying to watch. This is certainly the case for [
Chen Liang’s]
tiny Strider walker controlled by a ESP32 camera board
.
The Strider mechanism might look similar to
Strandbeest
walkers, but it lifts its feet higher, allowi... | 3 | 3 | [
{
"comment_id": "6378171",
"author": "ConsultingJoe",
"timestamp": "2021-09-06T20:28:37",
"content": "That is cool. I like how the wifi Hotspot pops up the gateway login page automatically after login in for the controller page.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,958.133466 | ||
https://hackaday.com/2021/09/06/small-scale-mad-max-danny-huynhs-dystopian-animatronics/ | Small Scale Mad Max: Danny Huynh’s Dystopian Animatronics | Danie Conradie | [
"Robots Hacks",
"Toy Hacks"
] | [
"animatronics",
"post-apocalyptic",
"puppets",
"radio control car"
] | The hacker spirit is always alive and well in post-apocalyptic fiction, as characters throw together contraptions from whatever junk they can find. While these might not always be practical or possible in reality, their primary purpose is usually to look the part. This is definitely the case for
[Danny Huynh]’s post-ap... | 11 | 3 | [
{
"comment_id": "6378116",
"author": "c",
"timestamp": "2021-09-06T15:05:52",
"content": "I love his creations. Especially the one that shoots real arrows. A while back his facebook page got hacked and facebook just let the hackers have the page, so he had to create a new page. He said he backed up ... | 1,760,372,958.181264 | ||
https://hackaday.com/2021/09/07/gateboy-is-a-game-boy-emulated-at-gate-level/ | GateBoy Is A Game Boy Emulated At Gate Level | Lewin Day | [
"Nintendo Game Boy Hacks",
"Nintendo Hacks"
] | [
"emulation",
"emulator",
"game boy",
"gameboy",
"nintendo",
"Nintendo Game Boy"
] | Old game systems are typically the most popular targets for emulation. With huge communities of fans wanting to recreate the good times of yesteryear, most old systems have all been brought back to life in this manner. However, some simply dive into emulation for the technical challenge,
and [Austin Appleby] has done j... | 26 | 9 | [
{
"comment_id": "6378397",
"author": "Austin Appleby",
"timestamp": "2021-09-07T20:58:12",
"content": "Hi, author here, happy to answer questions.Also, please try out the Plait graph visualizer included in the repo. It’s a hacky mess, but you might have fun with it. :D",
"parent_id": null,
"... | 1,760,372,958.290153 | ||
https://hackaday.com/2021/09/07/rugged-solar-generator-packs-a-punch/ | Rugged Solar Generator Packs A Punch | Dave Rowntree | [
"Solar Hacks",
"The Hackaday Prize"
] | [
"18650 cell",
"2021 Hackaday Prize",
"power bank",
"solar"
] | Hackaday Prize 2021 entrant [Philip Ian Haasnoot] has been building a well-polished power bank. But this is no ordinary little power bank the like you would throw in your rucksack for a day out. No, this
2.5 kW luggable power bank
is neatly encased in a tough, waterproof Pelican 1550 case, and is suitably decked out wi... | 29 | 6 | [
{
"comment_id": "6378367",
"author": "buzzkil11",
"timestamp": "2021-09-07T19:14:14",
"content": "Lotta details not in the build notoes. Like why 24 volt lithium ion and then throwing in the loss of using a voltage dc to dc converter to get back down to 12 volts? Also the underside of that board ha... | 1,760,372,958.565429 | ||
https://hackaday.com/2021/09/07/new-engines-could-propel-the-b-52-beyond-its-100th-birthday/ | New Engines Could Propel The B-52 Beyond Its 100th Birthday | Lewin Day | [
"Hackaday Columns",
"Slider",
"Weapons Hacks"
] | [
"aircraft",
"B-52",
"B-52 Stratofortress",
"bomber",
"military",
"military aircraft"
] | First taking to the skies in April 1952, and introduced into the US Air Force in 1955, the B-52 Stratofortress has since become a mainstay of American air power. Originally developed as a nuclear bomber to carry out the critical deterrence role, changing realities saw it delivering solely conventional munitions in actu... | 87 | 19 | [
{
"comment_id": "6378330",
"author": "Lee",
"timestamp": "2021-09-07T17:15:40",
"content": "Thought they were doing away with the b-52 in favor for the b-2. Mostly because of stealth not so much of payload/distance.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,959.082928 | ||
https://hackaday.com/2021/09/07/industrial-design-hack-chat/ | Industrial Design Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"Hack Chat",
"industrial design",
"model making",
"modeling",
"prototype",
"usability"
] | Join us on Wednesday, September 8 at noon Pacific for the
Industrial Design Hack Chat
with Eric Strebel!
At Hackaday, we celebrate all kinds of hardware hacks, and we try not to judge based on appearance. After all, every product starts out on the breadboard, or as a prototype built with hot glue and tape. What’s impor... | 9 | 2 | [
{
"comment_id": "6378369",
"author": "echodelta",
"timestamp": "2021-09-07T19:22:07",
"content": "Attractive or functional. Rarely can be both. Function never needs a makeover, I want the winXP look forever. Maintain ADA and access standards. Curvy rows of keys kerned to fit in a shape made by a ske... | 1,760,372,958.488667 | ||
https://hackaday.com/2021/09/07/one-mans-quest-to-build-a-baby-book-with-brains/ | One Man’s Quest To Build A Baby Book With Brains | Tom Nardi | [
"Arduino Hacks",
"Crowd Funding",
"Microcontrollers",
"Toy Hacks"
] | [
"ATmega328pb",
"book",
"coin cell",
"crowdfunding",
"phototransistor"
] | Regular readers will know that Hackaday generally steers clear of active crowdfunding campaigns. But occasionally we do run across a project that’s unique enough that we feel compelled to dust off our stamp of approval. Especially if the campaign has already blasted past its funding goal, and we don’t have to feel bad ... | 44 | 15 | [
{
"comment_id": "6378311",
"author": "fennec",
"timestamp": "2021-09-07T15:31:25",
"content": "Was about to back, but shipping is almost as much as the pledge.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6378410",
"author": "John",
"timest... | 1,760,372,958.656504 | ||
https://hackaday.com/2021/09/07/review-hands-on-with-the-swarm-satellite-network-eval-kit/ | Review: Hands On With The Swarm Satellite Network Eval Kit | Al Williams | [
"Featured",
"Radio Hacks",
"Reviews",
"Space"
] | [
"Ground Station",
"IoT",
"satcom",
"satellite",
"space",
"swarm"
] | If you have devices out in the field, you probably want to connect with them. There was a time when that was hard to do, requiring telephone wires or specialized radio gear. Now cellular data is prevalent, but even cellular isn’t everywhere. If you have the cash, you can pay a number of satellite companies to carry you... | 29 | 12 | [
{
"comment_id": "6378302",
"author": "Ren",
"timestamp": "2021-09-07T14:23:32",
"content": "Even with only 2 connects a day, I think it would be useful for sending data from remote weather stations.Or water levels, earth tremors. I think of the number of unpopulated islands around the world, some ar... | 1,760,372,958.731967 | ||
https://hackaday.com/2021/09/07/getting-a-flys-eye-view-with-microfabricated-lens-arrays/ | Getting A Fly’s-Eye View With Microfabricated Lens Arrays | Dan Maloney | [
"Parts",
"Science"
] | [
"etching",
"hydrofluoric acid",
"mace",
"MEMS",
"metal-assistec chemical etching",
"microfabrication",
"molding",
"nitric acid",
"PDMS",
"silcon",
"silcone",
"silicon"
] | Atomic force microscopy, laser ablation, and etching with a witches brew of toxic chemicals: sounds like [Zachary Tong] has been playing in the lab again, and this time he found
a way to fabricate arrays of microscopic lenses
as a result.
Like many of the best projects, [Zach]’s journey into micro-fabrication started w... | 11 | 6 | [
{
"comment_id": "6378251",
"author": "Jan-Maarten",
"timestamp": "2021-09-07T11:39:06",
"content": "My guess: light field optics",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6378599",
"author": "rpavlik",
"timestamp": "2021-09-08T13:54:05",... | 1,760,372,958.783397 | ||
https://hackaday.com/2021/09/06/lightning-detector-keeps-a-tally/ | Lightning Detector Keeps A Tally | Lewin Day | [
"Misc Hacks"
] | [
"lightning detector"
] | Lightning is one of the great forces of nature. The huge releases of electricity release detectable electromagnetic emissions, as you might expect. The team at the [LVL1 Hackerspace] put together a lightning detector of their own; one which keeps count of the number of discharges
in the atmosphere.
The device consists ... | 7 | 3 | [
{
"comment_id": "6378098",
"author": "bob",
"timestamp": "2021-09-06T14:19:13",
"content": "Such a device would have been interesting a couple weeks ago when we had a storm roll through here, north of Denver, CO, that spent about an hour with discharges about 3-4 times per minute. New experience for... | 1,760,372,959.126564 | ||
https://hackaday.com/2021/09/06/how-to-get-good-with-wood/ | How To Get Good With Wood | Tom Nardi | [
"how-to",
"Tool Hacks"
] | [
"cutting",
"power tools",
"sanding",
"wood working",
"woodworking"
] | It’s perhaps unsurprising that we don’t see much in the way of woodworking here at Hackaday; after all, this is a plastics and metal community if there ever was one. But that doesn’t mean you’ll never come across a situation where a dead tree needs to be cut or shaped to your will, so we appreciate
[Eric Strebel] demon... | 6 | 4 | [
{
"comment_id": "6378059",
"author": "Rumble_in_the_Jungle",
"timestamp": "2021-09-06T08:39:46",
"content": "Bend it to your will. By practicing often.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6378092",
"author": "Ostracus",
"timestamp"... | 1,760,372,958.939707 | ||
https://hackaday.com/2021/09/05/injection-molding-silicone-parts-for-under-50/ | Injection Molding Silicone Parts For Under $50 | Lewin Day | [
"Parts"
] | [
"injection molding",
"silicone"
] | You’ve likely seen many tutorials on making silicone parts using 3D printed molds online. The vast majority of these methods use a simple pour method to fill the mold. This relies on careful degassing and gentle pouring to reduce the presence of bubbles in the final result. [Jan Mrázek] has been working on an alternati... | 14 | 6 | [
{
"comment_id": "6378048",
"author": "centpiece",
"timestamp": "2021-09-06T07:21:37",
"content": "Thanks for sharing. Really interesting stuff.Does anyone know about the stiffness and hardness of the parts? I did see the inserts for rigidity but I still recon it would be pretty rubbery, but I guess ... | 1,760,372,959.179261 | ||
https://hackaday.com/2021/09/05/stranger-things-message-board-passes-the-time-by-spelling-it-out/ | Stranger ThingsMessage Board Passes The Time By Spelling It Out | Kristina Panos | [
"Arduino Hacks",
"clock hacks"
] | [
"arduino",
"ESP-01",
"letter clock",
"RGB LEDs",
"Stranger Things",
"word clock"
] | Will Netflix’s nostalgic hit
Stranger Things
be back for a fourth series anytime soon? We could pull out a Ouija board and ask the spirits, but we’d much rather ask closer to the source, i.e. a spirit in the upside down. And you know that the best way to do that is with LEDs — one for each letter of the alphabet so the... | 5 | 4 | [
{
"comment_id": "6378045",
"author": "vib",
"timestamp": "2021-09-06T07:04:51",
"content": "B O R * * G",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6378080",
"author": "Adam",
"timestamp": "2021-09-06T10:51:16",
"content": "I think if letters wo... | 1,760,372,959.226685 | ||
https://hackaday.com/2021/09/05/hackaday-links-september-5-2021/ | Hackaday Links: September 5, 2021 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"alarm clock",
"coring",
"fracture",
"hackaday links",
"injuries",
"mars",
"Perseverance",
"phone phreaking",
"pots",
"roller coaster",
"rover",
"sample return"
] | Good news from Jezero crater as the Mars rover Perseverance manages to accomplish for the first time what it was sent to do:
collect and cache core samples from rocks
. Space buffs will no doubt recall that
Perseverance’s first attempt at core sampling didn’t go as planned
— the rock that planetary scientists selected ... | 7 | 5 | [
{
"comment_id": "6377985",
"author": "gregg4",
"timestamp": "2021-09-05T23:13:33",
"content": "So far that text document is an interesting one. Will there be more from him?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6378034",
"author": "ThoughtPh... | 1,760,372,959.275448 | ||
https://hackaday.com/2021/09/05/building-a-levitating-turbine-desk-toy/ | Building A Levitating Turbine Desk Toy | Lewin Day | [
"Misc Hacks"
] | [
"desk toy",
"Magnetic levitation"
] | Magnetic levitation is a beautiful thing to watch. Seeing small objects wobble about while seemingly hovering in thin air never gets old. If you want something suitably distracting in this vein for your own desk,
consider building this levitating turbine from [JGJMatt].
The build uses a combination of 3D printed parts ... | 18 | 5 | [
{
"comment_id": "6377930",
"author": "mrehorst",
"timestamp": "2021-09-05T20:22:50",
"content": "If it’s in a vacuum, what’s going to make the turbine blade spin?What’s it going to do in a solar/wind generation system?It all sounds too complicated.",
"parent_id": null,
"depth": 1,
"repli... | 1,760,372,959.392707 | ||
https://hackaday.com/2021/09/05/three-stage-thrust-vectoring-rocket/ | Three-Stage Thrust Vectoring Model Rocket With Tiny Flight Computers | Danie Conradie | [
"Microcontrollers",
"Toy Hacks"
] | [
"guidance system",
"model rocket",
"rocket",
"Thrust vectoring"
] | Flying a thrust-vectoring rocket can be a challenge, and even more so if you stack multiple stages and a minimalist flight computer on top of it all. But [Joe Barnard] is not one to shy away from such a challenge,
so he built a three stage actively guided rocket named
Shreeek
.
[Joe] is well known for his thrust-vector... | 23 | 11 | [
{
"comment_id": "6377915",
"author": "Mr_President",
"timestamp": "2021-09-05T18:37:44",
"content": "Although awesome, please look up applicable FAA regulations before doing this yourself. At least for Level 3 rockets, possibly 2s, any attitude control devices (including thrust vectoring/gimballed e... | 1,760,372,959.339418 | ||
https://hackaday.com/2021/09/05/build-yourself-a-nifty-cable-smartphone-mount/ | Build Yourself A Nifty Cable Smartphone Mount | Lewin Day | [
"Phone Hacks"
] | [
"camera mount",
"mount",
"phone",
"smartphone",
"smartphone mount"
] | Smartphones have supplanted cameras in day to day use for the vast majority of purposes. However, unlike cameras, they don’t come with tripod mounts or any real good way of holding them in a set position.
[Mrballeng] has built an excellent mount,
however, that uses cable to hold a smartphone in all manner of positions,... | 6 | 4 | [
{
"comment_id": "6377957",
"author": "IIVQ",
"timestamp": "2021-09-05T21:24:22",
"content": "On a tangent: would it be possible to click the magnets to the build plate (maybe after printing a first layer for position) then embed them in the print, thereby omitting the entire pushing them in step?",
... | 1,760,372,959.639333 | ||
https://hackaday.com/2021/09/05/building-an-aluminum-rc-truck-from-scratch/ | Building An Aluminum RC Truck From Scratch | Adam Fabio | [
"Toy Hacks"
] | [
"hand made",
"metalworking",
"R/C car",
"remote control car"
] | These days you can get just about any kind of radio controlled vehicle as a ready-to-run model. Cars, trucks, excavators, you name it. Open the box, charge the batteries, and you’re ready to roll. Even with all these modern conveniences, there is still a special breed of modelers who create their own models using only ... | 14 | 9 | [
{
"comment_id": "6377886",
"author": "Gary",
"timestamp": "2021-09-05T13:08:29",
"content": "Wow. This is a labor of love for sure. Very impressed! Though I had to laugh at 24:42. I’m surprised the scissors survived cutting both wires at the same time (shorts out the battery pack!). I made that... | 1,760,372,959.696812 |
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