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https://hackaday.com/2022/11/17/amphibious-dragster-drives-on-water/ | Amphibious Dragster Drives On Water | Lewin Day | [
"Toy Hacks"
] | [
"amphibious",
"car",
"dragster",
"R/C car",
"rc"
] | Dragsters are typically about peak performance on a tarmac drag strip. [Engineering After Hours] took a different tack, though, building
a radio-controlled amphibious dragster
intended to cross small bodies of water.
The build is based on a Traxxas Raptor RC car. However, it’s been heavily reworked from a pickup-like d... | 0 | 0 | [] | 1,760,372,494.887549 | ||
https://hackaday.com/2022/11/17/simple-plywood-lamp-has-neat-hidden-switch/ | Simple Plywood Lamp Has Neat Hidden Switch | Lewin Day | [
"home hacks"
] | [
"lamp",
"microswitch",
"smart lamp",
"smart relay"
] | Shortly after the development of the electric light came the light switch, presumably. Of course, obvious switches are old-hat, and
this neat lamp build from [Giovanni Aggiustatutto] goes with a design that’s altogether more coy.
The lamp itself is a minimalist modern design, with a cube-like body constructed out of pl... | 6 | 4 | [
{
"comment_id": "6533152",
"author": "TG",
"timestamp": "2022-11-17T20:05:59",
"content": "Huh kinda clever. I was expecting some kinda capacitance trick from the thumbnail",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6533154",
"author": "Wells Campbell"... | 1,760,372,494.929349 | ||
https://hackaday.com/2022/11/17/madness-or-genius-fdm-printing-with-resin/ | Madness Or Genius? FDM Printing With Resin | Al Williams | [
"3d Printer hacks"
] | [
"laser",
"resin"
] | We aren’t sure what made him think of it, but [Proper Printing] decided to make an
FDM printer lay down resin instead of filament
. Why? We still aren’t sure, but we admire the effort nonetheless. In principle, extruding resin shouldn’t be much different than other liquid things you print like icing or concrete. Then y... | 29 | 19 | [
{
"comment_id": "6533120",
"author": "g",
"timestamp": "2022-11-17T18:29:17",
"content": "I mean, the reason he is doing it is right there in the video, this is a step towards continuous fiber printing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6534634"... | 1,760,372,494.746172 | ||
https://hackaday.com/2022/11/17/tv-repair-by-mail/ | TV Repair By Mail | Al Williams | [
"Featured",
"History",
"Original Art",
"Slider"
] | [
"distance learning",
"education",
"TV repair"
] | I don’t think there was ever a correspondence school called the “Close Cover Before Striking School” but since book matches — which used to be a thing when most people smoked — always had that text on them anyway perhaps there should have been. There was a time when electronic magazines, billboards, and even book match... | 49 | 23 | [
{
"comment_id": "6533062",
"author": "lj",
"timestamp": "2022-11-17T15:45:40",
"content": "Can somebody explain the “Close Cover Before Striking School” thing for me?I do get the reference to matches (closing the cover before striking a match avoids setting the whole thing on fire, hence the warning... | 1,760,372,495.209399 | ||
https://hackaday.com/2022/11/17/tiny-palm-sized-crossbow-build-is-cute-and-dangerous/ | Tiny Palm-Sized Crossbow Build Is Cute And Dangerous | Lewin Day | [
"Weapons Hacks"
] | [
"crossbow",
"spring"
] | Crossbows were a major development in the history of weaponry. They enabled lesser-skilled soldiers to shoot arrows at great speed in a compact form-factor. You can now build your own tiny version,
thanks to this creation from [Maciej Nowak].
The main body of the crossbow was cut from a piece of aluminium bar stock, be... | 17 | 12 | [
{
"comment_id": "6533002",
"author": "666romper",
"timestamp": "2022-11-17T12:17:58",
"content": "I hope he scrapped it after making the video. According to polish penal code this is an illegal manufacture of firearms (sic!)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"co... | 1,760,372,495.118079 | ||
https://hackaday.com/2022/11/17/number-stations-gone-wild/ | Number Stations Gone Wild | Al Williams | [
"Radio Hacks"
] | [
"espionage",
"number stations"
] | [Ringway Manchester] has an interest in numbers stations. These mysterious stations send presumably coded numbers or other coded information. However, it is rare that anyone claims credit for these stations. Normally they operate with military-like precision, adhering to strict operating schedules and sending out their... | 18 | 7 | [
{
"comment_id": "6532986",
"author": "ono",
"timestamp": "2022-11-17T10:13:06",
"content": "It´s amazon to be able to hear the store of a Czech station. Proofreading is still a badly lacking feature, for a website having such audience. Readers have to Supply Shame to lame editors, which is annoying.... | 1,760,372,494.803505 | ||
https://hackaday.com/2022/11/16/portable-monitor-extension-for-nintendo-switch/ | Portable Monitor Extension For Nintendo Switch | Navarre Bartz | [
"Games",
"handhelds hacks",
"hardware",
"Nintendo Hacks",
"Toy Hacks"
] | [
"handheld",
"nintendo",
"Nintendo Switch",
"portable",
"portable console"
] | Handheld consoles are always a tradeoff between portability and screen real estate. [Pavlo Khmel] felt that the Nintendo Switch erred too much on the side of portability, and built an extension to
embiggen his Switch
. (YouTube)
[Khmel] repurposed a Dell XPS 12 LCD panel for the heart of this hack and attached it to an... | 7 | 2 | [
{
"comment_id": "6532970",
"author": "dock",
"timestamp": "2022-11-17T08:06:34",
"content": "Next up is to make a matching dock",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6532992",
"author": "_txf_",
"timestamp": "2022-11-17T11:22:04",
"content... | 1,760,372,494.845622 | ||
https://hackaday.com/2022/11/16/better-sheet-metal-parts-with-chemistry/ | Better Sheet Metal Parts With Chemistry | Al Williams | [
"3d Printer hacks"
] | [
"etching",
"photochemical machining"
] | [Applied Science] wanted to make some metal parts with a lot of holes. A service provider charged high tooling costs, so he decided to create his own parts using
photochemical machining
. The process is a lot like creating PC boards, but, of course, there are some differences. You can see the video of the results, belo... | 7 | 5 | [
{
"comment_id": "6532975",
"author": "The Gambler",
"timestamp": "2022-11-17T09:03:07",
"content": "Neat project and even though it is a completely different process it reminds me of this methodhttps://youtu.be/jEnNMTMZadwhowever one thing i did notice with it and it has descent resolution but somet... | 1,760,372,495.064481 | ||
https://hackaday.com/2022/11/16/crazy-bike-frame-made-out-of-147-nuts/ | Crazy Bike Frame Made Out Of 147 Nuts | Lewin Day | [
"Misc Hacks"
] | [
"bicycle",
"bike",
"nuts"
] | Bike frames are most commonly made out of steel. If you’ve got money for something nicer though, you might go with something in aluminium or carbon fiber. [The Q] went completely off-the-wall with this build, though,
constructing a bicycle frame out of 147 nuts.
Those forks don’t inspire confidence.
Yes, a variety of n... | 39 | 18 | [
{
"comment_id": "6532896",
"author": "sudobash1",
"timestamp": "2022-11-17T00:18:28",
"content": "No thanks! I like my teeth in my head.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6533113",
"author": "Marketing with your nuts usually doesn't mean... | 1,760,372,495.018947 | ||
https://hackaday.com/2022/11/16/pcb-hotplate-has-integrated-heating-element-traces/ | PCB Hotplate Has Integrated Heating Element Traces | Lewin Day | [
"Tool Hacks"
] | [
"hotplate",
"reflow",
"reflow soldering",
"solder",
"soldering"
] | Normally when we talk about PCBs and hotplates, we’re talking about reflowing solder. In this build from [Arnov Sharma], though,
the PCB itself is the hotplate!
The idea was to create a compact hotplate for easily reflowing small PCBs. To achieve that, [Arnov] designed a board with a thick coil trace that acts as a hea... | 13 | 5 | [
{
"comment_id": "6532864",
"author": "Justin",
"timestamp": "2022-11-16T22:25:09",
"content": "Kind of ironic to use a hotplate to reflow a hotplate PCB. Now if you could make the PCB reflow its own components in some clever way… bootstrap reflower? Who wants to make it first?",
"parent_id": ... | 1,760,372,494.67989 | ||
https://hackaday.com/2022/11/16/is-this-the-smallest-cp-m-machine-ever/ | Is This The Smallest CP/M Machine Ever? | Jenny List | [
"Raspberry Pi",
"Retrocomputing"
] | [
"CP/M",
"rp2040",
"RunCPM"
] | If you had an office word processor in the late 1970s, the chances are it ran Digital Research’s CP/M operating system. IBM went for Microsoft in the 1980s and the once-dominant player fell on hard times, but it survives today as a popular choice on retrocomputer platforms. Even the more compact Z80 systems are a littl... | 22 | 11 | [
{
"comment_id": "6532839",
"author": "Michael Black",
"timestamp": "2022-11-16T19:45:55",
"content": "Steve Ciarcia had a pretty small system, fitted into a lunchbox with a drive or two.This cheats, no floppy drive.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,495.268948 | ||
https://hackaday.com/2022/11/16/will-the-fax-machine-ever-stop-singing/ | Will The Fax Machine Ever Stop Singing? | Kristina Panos | [
"Hackaday Columns",
"Phone Hacks",
"Rants",
"Slider"
] | [
"facsimile",
"fax",
"fax machine",
"IP telephony",
"Ofcom",
"universal service"
] | Throughout the 80s and 90s, you couldn’t swing a stapler around any size office without hitting a fax machine. But what is it about the fax machine that makes it the subject of so much derision? Is it the beep-boops? The junk faxes? Or do they just seem horribly outdated in the world of cloud storage and thumb drives? ... | 43 | 15 | [
{
"comment_id": "6532824",
"author": "Michael Black",
"timestamp": "2022-11-16T18:10:19",
"content": "When I was in rehab in 2019 building up muscle, there was a problem with the fax machine. But I didn’t see it, so wondered if there was still a fax machine, or a comouter, scanner and printer. The... | 1,760,372,495.415329 | ||
https://hackaday.com/2022/11/15/getting-to-the-heart-of-a-baofeng/ | Getting To The Heart Of A Baofeng | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"baofeng",
"ham",
"handy talkie",
"SA818",
"sdr",
"transceiver",
"uhf",
"VHF"
] | In amateur radio circles, almost no single piece of equipment serves as more of a magnet for controversy than the humble Baofeng handheld transceiver. It’s understandable — the radio is a shining example of value engineering, with just enough parts to its job while staying just on the edge of FCC rules. And at about $2... | 32 | 8 | [
{
"comment_id": "6532504",
"author": "NQ",
"timestamp": "2022-11-15T21:26:07",
"content": "I used hamradiotestDOTcom and got 100% on my Extra 9 years ago – the only test I ever aced for ham radio. I’m not a shill, but I enjoyed their teaching algorithm so much, I wanted to share it.",
"parent_i... | 1,760,372,495.691366 | ||
https://hackaday.com/2022/11/15/mastodon-comes-to-the-ibm-pc/ | Mastodon Comes To The IBM PC | Jenny List | [
"Retrocomputing"
] | [
"dos",
"javascript",
"mastodon"
] | Elon Musk has bought Twitter for an eye-watering sum, and his live adventures in chaotic mismanagement of a social media company have become a compelling performance for the rest of us. As we munch on our tasty popcorn and enjoy the show, many Twitter users have jumped ship for the open-source alternative Mastodon. It ... | 49 | 13 | [
{
"comment_id": "6532440",
"author": "Twisty Plastic",
"timestamp": "2022-11-15T19:50:32",
"content": "…”an up-to-date operating system such as a GNU/Linux flavour, or else Microsoft Windows”TFTFY",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6532530",
... | 1,760,372,495.903221 | ||
https://hackaday.com/2022/11/15/ev-sales-sticking-point-people-still-want-manual-transmissions/ | EV Sales Sticking Point: People Still Want Manual Transmissions | Kristina Panos | [
"car hacks",
"Hackaday Columns",
"Rants",
"Slider"
] | [
"automatic transmission",
"clutch",
"electric cars",
"electriv vehicles",
"evs",
"manual transmission",
"semi-automatic",
"semi-manual"
] | Call me crazy, but I’m ride or die for manual transmissions. I drove enough go-karts and played enough Pole Position as a kid to know that shifting the gears yourself is simply where it’s at when it comes to tooling around in anything that isn’t human-powered. After all,
manuals can be roll-started
. A driver has optio... | 258 | 50 | [
{
"comment_id": "6532369",
"author": "notspam",
"timestamp": "2022-11-15T18:12:51",
"content": "“the take rate for manual transmissions is quite high in the US”?Really? You would be lucky to find a new car in the US/Canada with manual transmission. The majority of the population can barely drive an ... | 1,760,372,496.209478 | ||
https://hackaday.com/2022/11/15/blender-builds-lego-models/ | Blender Builds LEGO Models | Bryan Cockfield | [
"Software Hacks"
] | [
"3d",
"blender",
"geometry nodes",
"instance attributes",
"lego",
"model"
] | Blender is a free and open source computer graphics package that’s used in the production of everything from video games to feature films. Now,
as demonstrated by [Joey Carlino]
, the popular program can even be used to convert models into LEGO.
This new feature available in Blender 3.4 allows for the use of instance a... | 13 | 6 | [
{
"comment_id": "6532358",
"author": "RMog",
"timestamp": "2022-11-15T17:41:19",
"content": "It looks neat, but unless I’m missing something – and from the obvious seam lines it doesn’t look like I am – I can’t imagine the person who did this has ever put together a real LEGO model before.Something ... | 1,760,372,495.529984 | ||
https://hackaday.com/2022/11/15/the-blood-factory-new-research-may-open-the-door-to-artificial-blood/ | The Blood Factory: New Research May Open The Door To Artificial Blood | Dan Maloney | [
"Current Events",
"Featured",
"News",
"Original Art",
"Science",
"Slider"
] | [
"anemia",
"artificial blood",
"blood",
"erythrocytes",
"hematopoiesis",
"medicine",
"stem cell",
"transfusion"
] | There were news stories afoot this week with somewhat breathless headlines that suggested a medical breakthrough was at hand:
“In a 1st, two people receive transfusions of lab-grown blood cells.”
A headline like that certainly catches the eye, especially as the holidays approach and the inevitable calls for increased b... | 37 | 8 | [
{
"comment_id": "6532308",
"author": "ian",
"timestamp": "2022-11-15T15:09:25",
"content": "Can Androids donate artificial blood?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6533150",
"author": "Mark",
"timestamp": "2022-11-17T19:57:33",
... | 1,760,372,495.820884 | ||
https://hackaday.com/2022/11/15/new-part-day-the-smallest-batteries-you-have-ever-seen/ | New Part Day: The Smallest Batteries You Have Ever Seen | Jenny List | [
"Parts"
] | [
"battery",
"energy harvesting",
"solid-state battery"
] | We’re used to some pretty small batteries in miniaturized electronics, thanks to the manufacture of lithium-polymer pouch cells. But they’re still pretty big, and they’re hardly the most stable power storage solution. The French company ITEN may have an answer for designers of micro-power devices though,
in the form of... | 18 | 8 | [
{
"comment_id": "6532255",
"author": "Dan",
"timestamp": "2022-11-15T12:04:13",
"content": "How would these be attached then? Spot welding like regular battery packs are built?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6532261",
"author": "@f4gr... | 1,760,372,495.746604 | ||
https://hackaday.com/2022/11/15/shrinking-the-xbox-360/ | Shrinking The XBox 360 | Navarre Bartz | [
"handhelds hacks",
"Xbox Hacks"
] | [
"console hacking",
"diy handheld",
"handheld",
"microsoft",
"portable building",
"portable xbox",
"portable xbox 360",
"xbox 360"
] | One of the coolest things in the retro gaming scene is making desktop consoles into portables. [Millomaker] is building an XBox 360 handheld, and the first step is
shrinking the console’s motherboard
.
Most 360 portables up to this point have been
laptop-shaped
instead of something
handheld
, but that hasn’t stopped pe... | 5 | 3 | [
{
"comment_id": "6532275",
"author": "Jason",
"timestamp": "2022-11-15T13:20:12",
"content": "And one of these days I’ll find time to try to understand why when I plugged an xbox connect into my Xbox 360S the magic smoke was released.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,372,495.944907 | ||
https://hackaday.com/2022/11/16/reverse-engineering-reveals-ev-charger-has-a-sense-of-security/ | Reverse Engineering Reveals EV Charger Has A Sense Of Security | Dan Maloney | [
"Reverse Engineering"
] | [
"ARM Cortex-A7",
"charger",
"electric vehicle",
"ev",
"jtag",
"NAND flash",
"reverse engineering",
"teardown",
"uart"
] | As more and more electric vehicles penetrate the market, there’s going to have to be a proportional rise in the number of charging stations that are built into parking garages, apartment complexes, and even private homes. And the more that happens, the more chargers we’re going to start seeing where security is at best... | 11 | 8 | [
{
"comment_id": "6532806",
"author": "Foldi-One",
"timestamp": "2022-11-16T16:58:06",
"content": "Interesting, nice to see an internet connected device where security was actually at least considered in how it operates…Dumping the firmware leading to getting in to me is a good thing, as the whole th... | 1,760,372,496.256835 | ||
https://hackaday.com/2022/11/16/interview-stuart-semple-on-pantone-freetone-colour-and-open-source/ | Interview: Stuart Semple On Pantone, Freetone, Colour, And Open Source | Jenny List | [
"Art",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"adobe",
"art",
"colour",
"Freetone",
"gimp",
"Pantone",
"photoshop",
"pigment"
] | We recently covered
the removal of Pantone colour support from the Adobe cloud products
, with the two companies now expecting artists and designers to pay an extra subscription for a Pantone plugin or face losing their Pantone-coloured work to a sea of black blocks. Our coverage focused on our community, and on how th... | 73 | 18 | [
{
"comment_id": "6532775",
"author": "TG",
"timestamp": "2022-11-16T15:07:26",
"content": "Pirating adobe has always been a better user experience than buying it—excluding the expense factor. They make you pay to get screwed. Eventually they’ll merge with autodesk, that’ll be fun.",
"parent_id":... | 1,760,372,496.370661 | ||
https://hackaday.com/2022/11/16/bringing-the-hinge-to-a-1990s-game-boy/ | Bringing The Hinge To A 1990s Game Boy | Jenny List | [
"Nintendo Game Boy Hacks",
"Nintendo Hacks"
] | [
"console mod",
"game boy",
"Game Boy Advance SP",
"Game Boy pocket"
] | The new hotness in mobile phones is it seems a hinge, and an ever-so-fragile flexible LCD display. There’s nothing new in a hinge of course, a couple of decades ago they were all the rage in feature phones, and of course Nintendo got in on the act with the ever-so-cute Game Boy Advance SP. This hinged design caught the... | 6 | 4 | [
{
"comment_id": "6532759",
"author": "Olivier",
"timestamp": "2022-11-16T14:22:56",
"content": "Very nice!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6532773",
"author": "Sword",
"timestamp": "2022-11-16T15:02:05",
"content": "To me it looks al... | 1,760,372,496.470227 | ||
https://hackaday.com/2022/11/16/listen-to-64-mhz-at-once/ | Listen To 64 MHz At Once | Al Williams | [
"Radio Hacks"
] | [
"sdr",
"software-defined radio"
] | We imagine that if [Tech Minds] told us he was listening to the HF bands, we might ask him which one? His reply might just be “All of them.” That’s thanks to the
RX-888 MKII SDR
he reviewed which delivers a 64 MHz window on the radio spectrum. You can catch the video review, below.
These are not especially inexpensive,... | 27 | 6 | [
{
"comment_id": "6532726",
"author": "Eeald",
"timestamp": "2022-11-16T11:31:20",
"content": "He did. Watch the vid.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6532795",
"author": "None",
"timestamp": "2022-11-16T15:46:02",
"conte... | 1,760,372,496.43054 | ||
https://hackaday.com/2022/11/15/digitize-your-slide-deck-with-this-arduino-powered-slide-carousel/ | Digitize Your Slide Deck With This Arduino-Powered Slide Carousel | Robin Kearey | [
"digital cameras hacks"
] | [
"35 mm",
"photographic slide",
"slide carousel",
"slide digitizer"
] | If you’re above a certain age, you probably remember the atmosphere of a pre-Powerpoint 35 mm slide show. The wobbly screen being unrolled, the darkened room, the soft hum of the projector’s fan, the slightly grainy picture on the screen and that unmistakable click-whoosh-clack sound as the projector loaded the next sl... | 27 | 6 | [
{
"comment_id": "6532666",
"author": "Dustin Kerr (@duk242)",
"timestamp": "2022-11-16T06:19:40",
"content": "Why not just use a scanner with the slide attachments?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6532686",
"author": "Chris",
"... | 1,760,372,496.710731 | ||
https://hackaday.com/2022/11/15/rapid-prototyping-to-measure-turbidity-in-rapids/ | Rapid Prototyping To Measure Turbidity In Rapids | Abe Connelly | [
"Science"
] | [
"environmental monitoring",
"ESP32",
"ir led",
"turbidity",
"water",
"water sensor"
] | [RiverTechJess] is in the process of getting a PhD in environmental engineering and has devoted a chapter to creating a turbidity sensor for river network monitoring. Environmental sensing benefits from being able to measure accurately and frequently, so providing low cost devices helps get more data and excuse the occ... | 6 | 3 | [
{
"comment_id": "6532646",
"author": "elwing",
"timestamp": "2022-11-16T05:02:40",
"content": "“has created a low cost turbidity sensor that rivals the more expensive alternatives in cost and accuracy.”so, is it low cost or is it expensive? :D",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,496.758427 | ||
https://hackaday.com/2022/11/15/wearable-sensor-trained-to-count-coughs/ | Wearable Sensor Trained To Count Coughs | Bryan Cockfield | [
"Medical Hacks"
] | [
"arduino",
"audio",
"ble",
"copd",
"cough",
"data",
"machine learning",
"medical",
"TinyML"
] | There are plenty of problems that are easy for humans to solve, but are almost impossibly difficult for computers. Even though it seems that with modern computing power being what it is we should be able to solve a lot of these problems, things like identifying objects in images remains fairly difficult. Similarly, ide... | 5 | 5 | [
{
"comment_id": "6532600",
"author": "Maximum climb counter?",
"timestamp": "2022-11-16T01:21:27",
"content": "Not downplaying this work at all (though surprised an Arduino Nano is that effective given the more limited hardware) but as a side note, just curious if there is an adult, err, version of ... | 1,760,372,496.796281 | ||
https://hackaday.com/2022/11/14/a-single-board-computer-from-a-tv/ | A Single Board Computer From A TV | Jenny List | [
"Linux Hacks"
] | [
"linux",
"SBC",
"smart tv"
] | It is an annoyance for some members of our community, that it has become almost impossible to buy a TV that’s not a so-called “smart” TV. These units contain a computer as well as the display, and it boots into a locked-down OS with a user interface and a load of streaming apps. Can anything be done with them other tha... | 38 | 19 | [
{
"comment_id": "6532185",
"author": "heatgap",
"timestamp": "2022-11-15T06:44:11",
"content": "Still looks like it’s a long ways off from playing Crysis.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6532211",
"author": "Dave",
"timestamp":... | 1,760,372,496.648496 | ||
https://hackaday.com/2022/11/14/pretty-petite-picolibc-powers-processors/ | Pretty Petite Picolibc Powers Processors | Al Williams | [
"Microcontrollers",
"Software Development"
] | [
"libc",
"newlib",
"standard library"
] | Many times when someone tells you that language X is “better” at something they really mean that it has better built-in libraries for that task. Java is a great example. The language isn’t all that different from C++ outside of garbage collection and multiple inheritance, but the standard libraries are super powerful, ... | 10 | 3 | [
{
"comment_id": "6532162",
"author": "Drone",
"timestamp": "2022-11-15T04:49:19",
"content": "If all you want is printf() etc. for the Arduino IDE (I don’t consider the Arduino IDE v2.x stable yet but I suspect this will work with it too):* LibPrintf by Embedded Artistryhttps://github.com/embeddedar... | 1,760,372,496.892728 | ||
https://hackaday.com/2022/11/14/generating-two-factor-authentication-codes-with-a-commodore-64/ | Generating Two-Factor Authentication Codes With A Commodore 64 | Robin Kearey | [
"classic hacks",
"Security Hacks"
] | [
"2FA",
"commodore 64",
"Commodore SX-64",
"hardware token"
] | If you’ve used a corporate VPN or an online-banking system in the past fifteen years or so, chances are you’ve got a few of those little authenticator key fobs lying around, still displaying a new code every 30 seconds. Today such one-time codes are typically sent to you by text message or generated by a dedicated smar... | 15 | 6 | [
{
"comment_id": "6532146",
"author": "Mark Topham",
"timestamp": "2022-11-15T01:29:12",
"content": "A 10kg seed seems a little heavy.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6532148",
"author": "rnjacobs",
"timestamp": "2022-11-15T02:4... | 1,760,372,496.848982 | ||
https://hackaday.com/2022/11/14/lego-race-car-simulator-is-like-a-mechanical-arcade-game/ | LEGO Race Car Simulator Is Like A Mechanical Arcade Game | Lewin Day | [
"Toy Hacks"
] | [
"lego",
"race car",
"race car game"
] | We’ve all played some variant of that simple old racing video game. It’s the one that involves swerving around cars in front without crashing, as the pace steadily increases further. [Dr. Engine]
has recreated that very game in the physical world
, with the help of LEGO Technic.
The design uses what appears to be a LEG... | 6 | 4 | [
{
"comment_id": "6532137",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-11-15T00:34:41",
"content": "I like it!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6532145",
"author": "Mr Name Required",
"timestamp": "2022-1... | 1,760,372,497.065665 | ||
https://hackaday.com/2022/11/14/automatic-lens-cover-helps-cameras-cover-space-launches/ | Automatic Lens Cover Helps Cameras Cover Space Launches | Lewin Day | [
"digital cameras hacks"
] | [
"automatic lens cover",
"camera",
"digital camera",
"lens cap",
"lens cover"
] | Shooting space launches often requires the use of remote cameras for safety reasons. However, that means there’s no photographer on hand to wipe lenses down if they happen to get condensation from the prevailing weather conditions. [Michael Baylor] was having issues with atmospheric moisture interfering with his launch... | 14 | 6 | [
{
"comment_id": "6532067",
"author": "Foldi-One",
"timestamp": "2022-11-14T20:27:14",
"content": "If you are going to have an actively powered lens cover perhaps this is one of those rare occasions a peltier module for the heating also makes sense – not only does it radiate heat to the part you want... | 1,760,372,497.115645 | ||
https://hackaday.com/2022/11/14/colecovision-barn-find-gets-wireless-makeover/ | ColecoVision Barn Find Gets Wireless Makeover | Robin Kearey | [
"classic hacks",
"Retrocomputing",
"Wireless Hacks"
] | [
"barn find",
"colecovision",
"repair",
"wireless controller"
] | Few things are more satisfying than finding an old, forgotten piece of technology somewhere and bringing it back to life. And while it’s great to see a rare sports car or an Apollo Flight Computer being restored, even not-very-successful game consoles from the 1980s can make for some great repair stories. Just look at ... | 0 | 0 | [] | 1,760,372,497.154604 | ||
https://hackaday.com/2022/11/14/on-getting-a-computers-attention-and-striking-up-a-conversation/ | On Getting A Computer’s Attention And Striking Up A Conversation | Maya Posch | [
"Artificial Intelligence",
"Featured",
"Interest",
"Machine Learning",
"Original Art",
"Slider"
] | [
"speech recognition",
"virtual assistant"
] | With the rise in voice-driven virtual assistants over the years, the sight of people talking to various electrical devices in public and in private has become rather commonplace. While such voice-driven interfaces are decidedly useful for a range of situations, they also come with complications. One of these are the tr... | 17 | 8 | [
{
"comment_id": "6531996",
"author": "BT",
"timestamp": "2022-11-14T16:35:28",
"content": "Two examples of why speech recognition will never work 100% with English:“Eats shoots and leaves” [a book on grammar]“I’m hungry let’s eat Dad” [a phrase used to teach the importance of commas]",
"parent_i... | 1,760,372,497.854716 | ||
https://hackaday.com/2022/11/14/arduino-brings-a-micropython-ide/ | Arduino Brings A MicroPython IDE | Arya Voronova | [
"Microcontrollers",
"Software Hacks"
] | [
"arduino",
"Arduino IDE",
"micropython"
] | Both Arduino and MicroPython are giants when it comes to the electronics education area, and each one of them represents something you can’t pass up on as an educator. Arduino offers you a broad ecosystem of cheap hardware with a beginner-friendly IDE, helped by forum posts explaining every single problem that you coul... | 52 | 13 | [
{
"comment_id": "6531887",
"author": "zoobab",
"timestamp": "2022-11-14T12:15:00",
"content": "“the venerable ESP8266-based boards shouldn’t be be left out”be be be left out?All other boards then the ones produced by Arduino SRL are be be be left out?",
"parent_id": null,
"depth": 1,
"re... | 1,760,372,497.326405 | ||
https://hackaday.com/2022/11/14/3d-printer-z-sensor-claims-0-01mm-resolution/ | 3D Printer Z Sensor Claims 0.01 Mm Resolution | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"auto bed leveling"
] | Early 3D printers usually had a microswitch that let you know when the Z axis was at the zero point. There was usually an adjustment screw so you could tune for just the right layer height. But these days, you most often see some sort of sensor. There are inductive sensors that work with a metal bed and a few other sty... | 54 | 14 | [
{
"comment_id": "6531835",
"author": "wibble",
"timestamp": "2022-11-14T09:11:52",
"content": "A shame the sensor costs more than my printer, no exaggeration at all. I got all excited for a minute.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6531841",
... | 1,760,372,497.416752 | ||
https://hackaday.com/2022/11/13/power-up-vintage-electronics-less-unsafely-with-a-dim-bulb-tester/ | Power Up Vintage Electronics Less Unsafely With A Dim-Bulb Tester | Donald Papp | [
"classic hacks",
"Radio Hacks"
] | [
"antique",
"diagnostic",
"dim bulb",
"radio",
"tester",
"vintage"
] | Plugging in something like an antique radio to see if it works is a good way to have a bad time, because some old components don’t age well. For vintage electronics, inspection and repair are steps one and two. When it comes time to cautiously apply power,
it’s best to use what’s called a dim-bulb tester
and most hacke... | 55 | 13 | [
{
"comment_id": "6531809",
"author": "Andrew",
"timestamp": "2022-11-14T06:41:12",
"content": "These are great devices with a long history for all sorts of curbside and dumpster rescues. Only trouble is, it’s getting harder to find ( in California) things like incandescent bulbs and linear power su... | 1,760,372,497.513455 | ||
https://hackaday.com/2022/11/13/circadian-lighting-for-the-home-via-home-assistant/ | Circadian Lighting For The Home Via Home Assistant | Lewin Day | [
"Misc Hacks"
] | [
"circadian rhythm",
"smart home"
] | Artificial lighting is great, in that it lets us work and live well into the night. However, our bodies are dependent on the natural lighting cycles of the sun as part of their basic operation, and artificial lighting can interfere with this.
[Tyler Cipriani] decided to use Home Assistant with some smart lights to try ... | 10 | 6 | [
{
"comment_id": "6531773",
"author": "PWalsh",
"timestamp": "2022-11-14T03:35:52",
"content": "If you want to try this on the cheap, grab a set of inexpensive red laser safety goggles on eBay. (Don’t use these for laser safety – get an actual, rated set for that.)Put the red goggles on about 1/2 hou... | 1,760,372,497.7344 | ||
https://hackaday.com/2022/11/13/hackaday-links-november-13-2022/ | Hackaday Links: November 13, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"crowdfunding",
"Eben Upton",
"hackaday links",
"headset",
"jpl",
"Oculus",
"orbiter",
"palmer luckey",
"Psyche",
"raspberry pi",
"restoration",
"retrocomputer",
"supply chain",
"system 34",
"vr"
] | Talk about playing on hard mode! The news this week was rife with stories about
Palmer Luckey’s murder-modified VR headset
, which ostensibly kills the wearer if their character dies in-game. The headset appears to have three shaped charges in the visor pointing right at the wearer’s frontal lobe, and would certainly d... | 6 | 3 | [
{
"comment_id": "6531779",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-11-14T03:58:14",
"content": "I’m sure the diesel shortage and corresponding price hike have blown the price of shipping the System/34 out of the water.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,372,497.553713 | ||
https://hackaday.com/2022/11/13/emulate-any-isa-card-with-a-raspberry-pi-and-an-fpga/ | Emulate Any ISA Card With A Raspberry Pi And An FPGA | Robin Kearey | [
"Retrocomputing"
] | [
"emulation",
"fpga",
"isa bus",
"sound card"
] | One of the reasons the IBM PC platform became the dominant standard for desktop PCs back in the mid-1980s was its open hardware design, based around what would later be called the ISA bus. Any manufacturer could design plug-in cards or even entire computers that were hardware and software compatible with the IBM PC. Al... | 28 | 7 | [
{
"comment_id": "6531701",
"author": "Daniel",
"timestamp": "2022-11-13T21:45:23",
"content": "The Schematic on Github connects the ISA bus directly to the FPGA board. The FPGA board looks like the TB276 board. That board does not have level shifters. Is he running the Cyclone IV out of spec?And he ... | 1,760,372,497.61708 | ||
https://hackaday.com/2022/11/13/diy-usb-charging-the-right-way/ | DIY USB Charging The Right Way | Bryan Cockfield | [
"Peripherals Hacks"
] | [
"charging",
"fast charger",
"Gallium Nitride",
"GaN",
"power",
"silicon",
"usb",
"USB-PD",
"usb4"
] | Since the widespread adoption of USB 1.1 in the 90s, USB has become the
de facto
standard for connecting most peripherals to our everyday computers. The latest revision of the technology has been USB 4, which pushes the data rate capabilities to 40 Gbit/s. This amount of throughput is mindblowing compared to the USB 1.... | 17 | 10 | [
{
"comment_id": "6531661",
"author": "Stephen Walters",
"timestamp": "2022-11-13T18:06:03",
"content": "Audio is unintelligible !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6531674",
"author": "MartyK",
"timestamp": "2022-11-13T19:29:08",
"cont... | 1,760,372,497.786581 | ||
https://hackaday.com/2022/11/13/dial-up-internet-over-whatsapp/ | Dial-Up Internet Over WhatsApp | Matthew Carlson | [
"Software Hacks"
] | [
"internet tunnel",
"websockets",
"WhatsApp"
] | As we returned from Supercon 2022, we noticed many airlines offer free in-flight messaging. While the messages are handy for complaining about the seat size, it isn’t quite as exciting as access to the internet. In the air, we wondered how hard it would be to tunnel an internet connection over messaging. Funny enough, ... | 42 | 16 | [
{
"comment_id": "6531621",
"author": "Janez D.",
"timestamp": "2022-11-13T15:12:52",
"content": "While in New Zealand I would occasionally bypass paid WiFi using TCP over DNS service. It was painfully slow but to just check an email while not paying $20 it’s done it job well.",
"parent_id": null... | 1,760,372,497.933461 | ||
https://hackaday.com/2022/11/13/go-fly-a-kite/ | Go Fly A Kite | Bryan Cockfield | [
"green hacks"
] | [
"Autopilot",
"generator",
"kite",
"power",
"Tether",
"turbine",
"wind"
] | Harvesting energy from the wind has been a commercially viable way of generating clean energy for around three decades now. Wind turbines are a reliable, proven technology but they do have some downsides, one of which is that since there’s more wind higher above the ground this usually means tall, expensive towers. The... | 17 | 9 | [
{
"comment_id": "6531598",
"author": "Paul",
"timestamp": "2022-11-13T13:14:44",
"content": "More like three millennia now. Ask the Dutch.(or did you meanelectricalenergy?)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6531668",
"author": "cj@seej.... | 1,760,372,497.986573 | ||
https://hackaday.com/2022/11/13/rfid-sticker-on-bike-helmet-grants-garage-access/ | RFID Sticker On Bike Helmet Grants Garage Access | Donald Papp | [
"home hacks",
"Microcontrollers",
"Wireless Hacks"
] | [
"bike helmet",
"door opener",
"garage door",
"rfid",
"wiegand"
] | [Glen] might describe his project of
opening his garage door by way of an RFID sticker on his bike helmet
as simple, but some of the interfacing he needed to do was quite complex. He walks through the project from beginning to end, and there’s plenty to learn from.
When designing an RFID access control system, one has ... | 11 | 6 | [
{
"comment_id": "6531630",
"author": "voxnulla",
"timestamp": "2022-11-13T15:52:23",
"content": "The first bike helmet (laminated piece of Styrofoam) that actually does something significantly useful! I’d opt for a key-fob, but that is just me.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,372,498.620612 | ||
https://hackaday.com/2022/11/12/protect-your-property-with-this-fire-breathing-billionaire/ | Protect Your Property With This Fire-Breathing Billionaire | Dan Maloney | [
"Misc Hacks"
] | [
"butane",
"Elon Musk",
"facial recognition",
"flamethrower",
"opencv"
] | Let’s face it: if you can’t trust
a fire-breathing billionaire industrialist
to protect your stuff, who can you trust? (Video, embedded below.)
This one is straight out of the Really Bad Ideas™ files, and comes to us from [Marc Radinovic]. His story on this one is that he wants to protect the stuff in his new house, an... | 16 | 9 | [
{
"comment_id": "6531548",
"author": "Frankel",
"timestamp": "2022-11-13T07:34:59",
"content": "The project itself is very fun and well worthy of a hack.Though why do so many revolve around public figures? After year long obsessions with orange guy, people will obsess now about spaceship guy.",
... | 1,760,372,498.035392 | ||
https://hackaday.com/2022/11/12/a-private-view-of-a-public-transport-sign/ | A Private View Of A Public Transport Sign | Abe Connelly | [
"Transportation Hacks"
] | [
"BDF",
"ESP32",
"HUB75",
"public transport",
"public transportation",
"RGB LED matrix"
] | [Stefan Schüller] was a fan of the LED signs that display arrival information for the trams and buses in their city of Zürich. [Stefan] was having trouble finding a source to purchase the signs so, instead, decided to
build one himself
.
[Stefan] decided to recreate the 56×208 single color 2mm dot pitch display with an... | 11 | 3 | [
{
"comment_id": "6531547",
"author": "Drone",
"timestamp": "2022-11-13T07:31:09",
"content": "The Bürgermeister von Zürich might be interested in upgrading their signs. Locally made and supported; win-win all around. What do you think [Stefan Schüller]?",
"parent_id": null,
"depth": 1,
"... | 1,760,372,498.14849 | ||
https://hackaday.com/2022/11/12/bringing-up-an-old-motherboard-is-a-delicate-process/ | Bringing Up An Old Motherboard Is A Delicate Process | Dan Maloney | [
"Repair Hacks",
"Retrocomputing"
] | [
"8088",
"bios",
"ibm",
"Model 5160",
"PC-XT",
"retrocomputing",
"rom"
] | If you were around for the early days of the personal computer revolution, you’ll no doubt recall the excitement every time IBM announced a new version of its beige boxes. For a lot of us, the excitement was purely vicarious, for despite the “personal” moniker, mere mortals could rarely afford a branded IBM machine. Bu... | 12 | 3 | [
{
"comment_id": "6531551",
"author": "Anders Nielsen",
"timestamp": "2022-11-13T07:41:11",
"content": "Thanks for the mention!I already got a VGA card in the mail and I have an idea for an active PS/2 -> XT keyboard adapter, so it shouldn’t be too long with the next video.",
"parent_id": null,
... | 1,760,372,498.809043 | ||
https://hackaday.com/2022/11/12/diy-streamdeck-helps-you-professionalize-your-twitch-show/ | DIY Streamdeck Helps You Professionalize Your Twitch Show | Lewin Day | [
"Tool Hacks",
"Video Hacks"
] | [
"arduino",
"stream deck",
"streamdeck",
"twitch"
] | The one thing that separates the pros on Twitch from the dilettantes is the production values. It’s all about the smooth transitions, and you’ll never catch the big names fiddling with dodgy software mid-stream. The key to achieving this is by having a streamdeck to help control your setup,
like this straightforward de... | 4 | 3 | [
{
"comment_id": "6531454",
"author": "Ostracus",
"timestamp": "2022-11-12T22:41:10",
"content": "A “Pi monitor” could be used as well.https://youtu.be/0PW3goYAbQI",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6531575",
"author": "Ø",
"timestamp": "202... | 1,760,372,498.379923 | ||
https://hackaday.com/2022/11/12/bicycle-inner-tube-becomes-rugged-pencil-case/ | Bicycle Inner Tube Becomes Rugged Pencil Case | Lewin Day | [
"Tool Hacks"
] | [
"bicycle inner tubes",
"inner tubes",
"pencil case",
"rubber",
"sewing"
] | If you’re a cyclist that lives in an area with poorly-maintained infrastructure, you’ll likely have plenty of punctured inner tubes begging for reuse. Consider crafting them into a rugged, hard-wearing pencil case
with this design from [Yorkshire Lass].
[Yorkshire Lass] does a great job of not only explaining the basic... | 23 | 14 | [
{
"comment_id": "6531406",
"author": "ono",
"timestamp": "2022-11-12T18:07:08",
"content": "Some inner tubes hate UV. They start to crack and dry up. Some but not all. One can tell with touch. Those feelings harder and most slippery a bit like PVC will resist, while those having a typical soft, rub... | 1,760,372,498.342824 | ||
https://hackaday.com/2022/11/12/welcome-back-supercon/ | Welcome Back, Supercon! | Elliot Williams | [
"cons"
] | [
"2022 Hackaday Supercon",
"newsletter"
] | The last two Novembers, Hackaday’s annual gathering was held in remote mode: Remoticon instead of Supercon. While still recovering from jetlag, I’m reflecting on the pros and cons of live versus virtual events. And wondering how we can combine the virtues of both for next year. Come brainstorm with me!
The blatantly ob... | 7 | 5 | [
{
"comment_id": "6531418",
"author": "Drix",
"timestamp": "2022-11-12T19:10:05",
"content": "It was amazing to be back in person!The small room (DesignLab) had some of my favorite presentations, and many of us had to miss some because too much awesomeness was happening everywhere…=> Does anyone know... | 1,760,372,498.427074 | ||
https://hackaday.com/2022/11/12/a-muppet-on-a-tricycle/ | A Muppet On A Tricycle | Abe Connelly | [
"Robots Hacks",
"Toy Hacks"
] | [
"motorized",
"puppet",
"tricycle"
] | [Donald Bell] wanted to recreate the magic of seeing Kermit on a tricycle from a 2018 NY Maker Faire he attended, so he created his own take of a
Muppet on a Radio Flyer kids tricycle bike
.
He started by attaching a ready made puppet to a classic Radio Flyer dual deck toddler tricycle using zip ties and split pipe ins... | 10 | 9 | [
{
"comment_id": "6531361",
"author": "Julianne",
"timestamp": "2022-11-12T12:30:12",
"content": "Wonderful, albeit creepy :-D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6531392",
"author": "NQ",
"timestamp": "2022-11-12T16:08:41",
"content": "G... | 1,760,372,498.564407 | ||
https://hackaday.com/2022/11/12/robot-gets-a-life-sized-pokemon-costume-for-halloween/ | Robot Gets A Life-Sized Pokemon Costume For Halloween | Lewin Day | [
"Nintendo Hacks",
"Robots Hacks"
] | [
"jolteon",
"pokemon",
"quadruped",
"quadruped robot",
"robot"
] | Quadruped robots are everywhere now that companies like Boston Dynamics are shipping smaller models in big numbers. [Dave’s Armoury] had one such robot, and wanted to give it a Pokemon Halloween costume.
Thus, the robot dog got a Jolteon costume that truly looks fantastic.
(Video, embedded below.)
You would think that ... | 3 | 2 | [
{
"comment_id": "6531363",
"author": "Olivier",
"timestamp": "2022-11-12T13:01:22",
"content": "Being of similar age i never really understood why my classmates were so enticed by an electric mouse & pals, or why its still such a big thing ~25 years later, but hey, that’s still a pretty fun project ... | 1,760,372,500.683563 | ||
https://hackaday.com/2022/11/11/3d-printer-repurposed-for-light-duty-lab-automation-tasks/ | 3D Printer Repurposed For Light-Duty Lab Automation Tasks | Dan Maloney | [
"3d Printer hacks",
"Tool Hacks"
] | [
"automation",
"cartesian",
"Ender",
"gantry",
"histology",
"laboratory"
] | Laboratory automation equipment is expensive stuff, to such a degree that small labs are often priced out of the market. That’s a shame, because there are a lot of tedious manual tasks that even modest labs would benefit from automating. Oh well — that’s what grad students are for.
But it actually isn’t that hard to br... | 3 | 3 | [
{
"comment_id": "6531298",
"author": "kex",
"timestamp": "2022-11-12T07:44:31",
"content": "Finally, a proper hack! Impressive that it even outperforms the result of the manual process",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6531382",
"author": "Joh... | 1,760,372,500.462011 | ||
https://hackaday.com/2022/11/11/bike-riding-skeleton-stalks-the-streets-on-halloween/ | Bike-Riding Skeleton Stalks The Streets On Halloween | Lewin Day | [
"Holiday Hacks"
] | [
"halloween",
"skeleton"
] | Stationary pumpkins and motionless skeletons aren’t enough to scare people these days. If you want to really create a fright on Halloween, you need something more convincing.
This bike-riding skeleton from [rc jedi] might just do the trick.
A few neat tricks make this impressive build surprisingly simple in nature. Pro... | 11 | 7 | [
{
"comment_id": "6531265",
"author": "TG",
"timestamp": "2022-11-12T05:00:48",
"content": "It’s beautiful",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6531287",
"author": "plouc",
"timestamp": "2022-11-12T07:04:13",
"content": "This... | 1,760,372,500.381234 | ||
https://hackaday.com/2022/11/11/first-folding-iphone-doesnt-come-from-apple/ | First Folding IPhone Doesn’t Come From Apple | Navarre Bartz | [
"ARM",
"Cellphone Hacks",
"hardware",
"iphone hacks",
"Reverse Engineering"
] | [
"apple iphone",
"engineering",
"folding phone",
"folding smartphone",
"iphone",
"mobile device"
] | Folding phones are all the rage these days, with many of the major smartphone manufacturer’s having something in this form factor. Apple has been conspicuously absent in this market segment, so [KJMX] decided to take matters into their own hands with
the “iPhone V.”
(YouTube – Chinese w/subtitles via
MacRumors
).
Inste... | 26 | 10 | [
{
"comment_id": "6531211",
"author": "Andrew",
"timestamp": "2022-11-12T00:29:35",
"content": "Incredible engineering, but I can’t see the point. Even the “real” folding phones will fail. Such is the nature of matter.I need a thin slab that expands to accommodate new content, like The Expanse.",
... | 1,760,372,500.743326 | ||
https://hackaday.com/2022/11/11/scratch-built-wind-turbine-makes-power-and-turns-heads/ | Scratch Built Wind Turbine Makes Power And Turns Heads | Ryan Flowers | [
"green hacks"
] | [
"3d printing",
"diy power",
"off grid",
"off grid hacks",
"renewable energy",
"scratch built",
"wind power",
"Wind turbine"
] | If you’ve ever aspired to live off the grid, then it’s likely that one of the first things you considered was how to power all of your electrical necessities, and also where to uh… well we’ll stick to the electrical necessities. Depending on your location, you might focus on hydroelectric power, solar power, or even a ... | 31 | 10 | [
{
"comment_id": "6531184",
"author": "Paul F",
"timestamp": "2022-11-11T22:34:07",
"content": "This is a Hugh Piggott design. It has indeed been battle (storm) tested, and works pretty well.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6531185",
"author"... | 1,760,372,500.813182 | ||
https://hackaday.com/2022/11/11/concrete-boat-cements-its-way-to-high-speeds/ | Concrete Boat Cements Its Way To High Speeds | Ryan Flowers | [
"Toy Hacks",
"Transportation Hacks"
] | [
"airboat",
"cement",
"concrete",
"concrete boat",
"peter sripol",
"rc boat"
] | Steel is scarce. Wood is not an option. And you need a boat
now.
These wartime circumstances drove innovation in all kinds of crazy directions, and one somewhat less crazy direction — concrete boats. As [Peter Sripol] demonstrates in the
video below the break
, making an RC concrete boat isn’t hard. Making a
fast
one o... | 12 | 8 | [
{
"comment_id": "6531148",
"author": "Eric Mockler",
"timestamp": "2022-11-11T19:39:19",
"content": "Real engineers race concrete canoes.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6531616",
"author": "Brandon Whitworth",
"timestamp": "20... | 1,760,372,500.553389 | ||
https://hackaday.com/2022/11/11/hackaday-podcast-192-supercon-was-awesome-how-to-grind-ics-and-make-your-own-telescope/ | Hackaday Podcast 192: Supercon Was Awesome, How To Grind ICs And Make Your Own Telescope | Tom Nardi | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi are still flying high on their post-Supercon buzz (and are a bit jet lagged) this week. We’ll start with some of the highlights from our long-awaited Pasadena meetup, and talk a bit about the winner of this year’s Hackaday Prize. Talk will then sh... | 1 | 1 | [
{
"comment_id": "6533324",
"author": "FEW",
"timestamp": "2022-11-18T15:39:54",
"content": "Hi Tom & Elliott,What about those extra photos that Jelle Seegers emailed regarding the solar smelter? It looks like you haven’t had a chance to add them to the story yet. I’m wondering if you might be able t... | 1,760,372,500.42464 | ||
https://hackaday.com/2022/11/11/this-crosswalk-sign-costume-is-a-halloween-hit/ | This Crosswalk Sign Costume Is A Halloween Hit | Lewin Day | [
"Holiday Hacks"
] | [
"costume",
"crosswalk",
"fairy lights",
"halloween"
] | Halloween costumes can be anything from an expensive authentic recreation of a character’s garb, to a cheap knockoff bought from one of those overcrowded pop-up stores. Alternatively, you can get creative and conceptual about things,
such as by building yourself a crosswalk sign costume.
The creation of [jared531], the... | 5 | 3 | [
{
"comment_id": "6531099",
"author": "fdufnews",
"timestamp": "2022-11-11T16:43:27",
"content": "If you plan using this, check the weather forecast, as the wind can turn you into a kite",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6531106",
"author": "ec... | 1,760,372,500.853973 | ||
https://hackaday.com/2022/11/11/this-week-in-security-microsoft-patches-typosquatting-continues-and-code-signing-for-all/ | This Week In Security: Microsoft Patches, Typosquatting Continues, And Code Signing For All | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"Outlook",
"Sigstore",
"This Week in Security"
] | The pair of Outlook vulnerabilities we’ve been tracking have
finally been patched, along with another handful of fixes this Patch Tuesday
, a total of six being 0-day exploits. The third vulnerability was also a 0-day, discovered by the Google Threat Analysis Group. This one resulted in arbitrary code execution when a ... | 3 | 3 | [
{
"comment_id": "6531167",
"author": "Erik T",
"timestamp": "2022-11-11T21:11:21",
"content": "I guess that explains why my Galaxy S9+ has been having an unusual number of updates pushed to the Samsung TTS engine recently. It’d be awesome if they ever admitted what was changed in the changelog.",
... | 1,760,372,500.502996 | ||
https://hackaday.com/2022/11/11/surface-mount-light-breathes-life-into-your-project/ | Surface-Mount Light Breathes Life Into Your Project | Dave Walker | [
"hardware",
"LED Hacks"
] | [
"breathing light",
"led",
"lm358",
"op-amp",
"surface mount"
] | If you’ve ever seen those gadgets with the “breathing light” LEDs on them and wondered how to do it, then [DIY GUY Chris] can show you how to
design your own surface-mount version
, using only analogue electronics.
The LED current tracks up and down in an approximately triangular-wave pattern
The circuit itself is buil... | 13 | 5 | [
{
"comment_id": "6531019",
"author": "Dan",
"timestamp": "2022-11-11T12:39:15",
"content": "Pure analog is so pleasing for this effect instead of the ramping pwm as utilized by every manufacturer",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6531200",
... | 1,760,372,500.907679 | ||
https://hackaday.com/2022/11/11/oh-snap-3d-printing-snapping-parts-without-breakage/ | Oh Snap! 3D Printing Snapping Parts Without Breakage | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"snap fit"
] | One of the great things about plastic is that it can be relatively flexible. We see things all the time that snap together, but when 3D printing, you don’t often run into snap fit designs. [Engineers Grow] has a video to help you
design snap fittings that don’t break
.
In the first video that you can see below, he cove... | 22 | 4 | [
{
"comment_id": "6530971",
"author": "Arjan",
"timestamp": "2022-11-11T09:24:11",
"content": "Even though PLA might not break when printed in the right orientation, the hygroscopic nature will make it brittle and it will tend to deform over time more than PET(G) or ABS, when exposed to the bending s... | 1,760,372,501.004183 | ||
https://hackaday.com/2022/11/10/computer-space-flies-again/ | Computer SpaceFlies Again | Jonathan Bennett | [
"Repair Hacks",
"Retrocomputing"
] | [
"Classic Arcade Repairs",
"Computer Space",
"Vintage Gaming"
] | [Sean] from
Classic Arcade Repairs
fixes classic arcade machines, and he got a request to repair a very special machine. It’s
Computer Space
, the first commercial arcade cabinet ever made, and loosely based on
Spacewar!
This grand-daddy of coin-op was a literal barn find, and was in pretty bad shape after sitting for ... | 11 | 7 | [
{
"comment_id": "6530946",
"author": "recook",
"timestamp": "2022-11-11T07:17:28",
"content": "Nice work!Though that’s not Spacewar but Asteroids without the asteroids, just UFO opponents.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6531071",
"aut... | 1,760,372,501.226266 | ||
https://hackaday.com/2022/11/10/dot-painting-graffiti-machine-is-wonderfully-simple/ | Dot-Painting Graffiti Machine Is Wonderfully Simple | Lewin Day | [
"Art"
] | [
"Mural",
"spray paint"
] | Traditionally, when many of us think of graffiti, we think of artists spraying away with simple paint cans. However, there’s often a lot of tech and art that goes into the field these days.
[Vitaly Tesh] built himself a impressive dot-painting spray rig that’s really rather nifty.
The dot maker performed ably in this p... | 28 | 13 | [
{
"comment_id": "6530918",
"author": "M",
"timestamp": "2022-11-11T04:58:45",
"content": "If only someone would buy these graffiti artists an airbrushing kit, many of them could make a very good living. Fabulously talented, far too determined to ‘share’.",
"parent_id": null,
"depth": 1,
... | 1,760,372,501.160859 | ||
https://hackaday.com/2022/11/10/upgrading-a-line-trimmer-with-3d-printed-parts/ | Upgrading A Line Trimmer With 3D Printed Parts | Lewin Day | [
"3d Printer hacks"
] | [
"string trimmer",
"trimmer line",
"weed whacker",
"whipper snipper"
] | Many have complained about the hassle of rewinding their weed whackers with fresh trimmer line. Manufacturers responded by making models with solid plastic blades instead. Some of these suck, though, like this Ozito model belonging to [Random Sequence]. 3D printing was the way forward,
adapting the blade trimmer to use... | 23 | 10 | [
{
"comment_id": "6530849",
"author": "Dave",
"timestamp": "2022-11-11T00:04:26",
"content": "Old guitar strings.And centrifugal force does not exist, only centripetal acceleration.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6530851",
"author": "k... | 1,760,372,501.288243 | ||
https://hackaday.com/2022/11/10/a-diy-equatorial-mount-using-harmonic-drives/ | A DIY Equatorial Mount Using Harmonic Drives | Dave Rowntree | [
"Space"
] | [
"astrophotography",
"equatorial tracking",
"harmonic drive",
"NEMA-17",
"onstep",
"Teensy 4.0",
"telescope mount",
"TMC2130"
] | As an amateur astrophotographer will tell you, you just don’t get to capture the really interesting objects without spending a ton of money on some decent pieces of kit. Telescope aside, there really is a surprising amount of complexity, weight, and associated costs with the telescope
mount
alone, let alone one that is... | 28 | 11 | [
{
"comment_id": "6530797",
"author": "BrendaEM",
"timestamp": "2022-11-10T21:07:01",
"content": "Cool. Some counterweights might keep them happy.I have some old Vexta harmonic drives. 50,000 steps/rev. I am not wanting to let them go, at all cost. Also seen here:https://youtu.be/Lm8oprDhAnQ?t=1897",... | 1,760,372,501.96389 | ||
https://hackaday.com/2022/11/10/trigger-your-home-automation-routines-with-home-buttons/ | Trigger Your Home Automation Routines With Home Buttons | Dave Rowntree | [
"home hacks",
"Microcontrollers"
] | [
"arduino",
"e-ink display",
"ESP32",
"flexures",
"home automation",
"mqtt",
"wi-fi"
] | Home automation systems are all well and good, so long as the person who built it all is around to drive it. Let’s face it, they’re quite often a complex web of interconnected systems, all tied to the specifics of one’s home — and someone less familiar with it all could get a little irritated if, on a chilly day, the i... | 11 | 5 | [
{
"comment_id": "6530764",
"author": "dnvr",
"timestamp": "2022-11-10T19:48:03",
"content": "Shouldn’t “186550 cell” actually read “18650 cell”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6530772",
"author": "DougM",
"timestamp": "2022-11... | 1,760,372,501.749316 | ||
https://hackaday.com/2022/11/10/building-a-sinclair-zx81-in-2022-with-all-new-parts/ | Building A Sinclair ZX81 In 2022 With All New Parts | Jenny List | [
"Retrocomputing"
] | [
"sinclair",
"sinclair zx81",
"zx81"
] | As the supply of genuine retrocomputers dwindles and their prices skyrocket, enthusiasts are turning their eyes in other directions to satisfy their need for 8-bit pixelated goodness. Some take the emulation route, but others demand a solution that’s closer to the original hardware. Following the latter path, [iNimbleS... | 50 | 19 | [
{
"comment_id": "6530696",
"author": "Greg Garriss",
"timestamp": "2022-11-10T16:41:30",
"content": "That takes me back. I remember building the ZX81 when it came out. It was fun until my employer bought us all Ferguson Big Boards to assemble / play with.",
"parent_id": null,
"depth": 1,
... | 1,760,372,501.592861 | ||
https://hackaday.com/2022/11/10/the-importance-of-physical-models-how-not-to-shoot-yourself-in-the-foot-or-anywhere-else/ | The Importance Of Physical Models: How Not To Shoot Yourself In The Foot Or Anywhere Else | Al Williams | [
"Featured",
"History",
"Rants",
"Slider"
] | [
"engineering",
"fighter jet"
] | We take shortcuts all the time with our physical models. We rarely consider that wire has any resistance, for example, or that batteries have a source impedance. That’s fine up until the point that it isn’t. Take the case of the Navy’s Grumman F11F Tiger aircraft. The supersonic aircraft was impressive, although it suf... | 73 | 13 | [
{
"comment_id": "6530654",
"author": "Henk",
"timestamp": "2022-11-10T15:09:13",
"content": "“By the time the bullets slowed to 643 m/s, the plane was going at 1,400 m/s.” so the Tiger as a hypersonic fighter?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,372,501.70069 | ||
https://hackaday.com/2022/11/10/sprig-is-an-open-source-handheld-game-console/ | Sprig Is An Open Source Handheld Game Console | Lewin Day | [
"handhelds hacks",
"Raspberry Pi"
] | [
"handheld",
"open source",
"Raspberry Pi Pico",
"sprig"
] | [Hack Club] is a group that aims to teach teenagers about tech by involving them in open-source projects. One of the group’s latest efforts is Sprig,
an open-source handheld game console
, and [Hack Club] has even been giving them away!
The console is based around a Raspberry Pi Pico, paired up with a TFT7735 screen. T... | 10 | 6 | [
{
"comment_id": "6530596",
"author": "TG",
"timestamp": "2022-11-10T12:45:02",
"content": "Surprised Doom isn’t in the games collection yet",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6530706",
"author": "Chris Pepin",
"timestamp": "2022-11-10T16:56... | 1,760,372,501.801215 | ||
https://hackaday.com/2022/11/10/automatic-candy-dispenser-takes-the-hard-work-out-of-halloween/ | Automatic Candy Dispenser Takes The Hard Work Out Of Halloween | Robin Kearey | [
"Holiday Hacks"
] | [
"candy dispenser",
"dispenser",
"halloween"
] | Halloween may be behind us, but we couldn’t resist showing you [Mellow]’s latest project:
an automatic candy dispenser that takes the hard work out of serving trick-or-treaters
. It’s a cool build that might serve as an inspiration for next year’s Halloween project, or perhaps for a different occasion altogether: think... | 5 | 1 | [
{
"comment_id": "6530579",
"author": "Mike",
"timestamp": "2022-11-10T11:59:19",
"content": "” candy dispenser that takes the hard work out of serving trick-or-treaters ”That line pretty much sums up this generation.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,372,501.507257 | ||
https://hackaday.com/2022/11/09/old-6809-computer-lives-again-on-breadboards/ | Old 6809 Computer Lives Again On Breadboards | Al Williams | [
"Retrocomputing"
] | [
"6809"
] | Among old CPUs, the 6809 never got as much attention as some of its cousins. The Radio Shack CoCo used it and so did a construction article in Wireless World Magazine. Now [Dave] has reconstructed that computer on breadboards and it
looks great
. The files are on GitHub and there is even a series of videos about the ma... | 36 | 16 | [
{
"comment_id": "6530494",
"author": "ziew",
"timestamp": "2022-11-10T07:59:50",
"content": "The use of breadboard power strips for data and address buses is the Real Hack (TM) here!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6530526",
"author": ... | 1,760,372,502.038659 | ||
https://hackaday.com/2022/11/09/taking-pokemon-on-a-walk/ | Taking Pokémon On A Walk | Bryan Cockfield | [
"Games"
] | [
"animation",
"emerald",
"game boy advance",
"pokemon",
"rom",
"sprites",
"third generation"
] | Emulating old computers or video game systems isn’t always about recreating childhood nostalgia or playing classics on hardware that doesn’t exist anymore. A lot of the time it can be an excellent way to learn about the mechanics of programming a video game. Plenty of older titles have available source code that anyone... | 7 | 5 | [
{
"comment_id": "6530419",
"author": "Eric",
"timestamp": "2022-11-10T04:15:07",
"content": "Pokemon Yellow was the first to have a Pokemon follow around. Pikachu only though but it was a start. Ruby and Emerald came out years later.",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,372,502.192222 | ||
https://hackaday.com/2022/11/09/1-pov-display-goes-round-and-round/ | $1 POV Display Goes Round And Round | Al Williams | [
"ATtiny Hacks",
"Microcontrollers"
] | [
"attiny",
"POV",
"POV display"
] | You don’t need much to do a persistence of vision display. A few LEDs and a processor is all it really takes. [B45i] made a
simple PC board with five LEDs and an ATtiny CPU
. There’s a battery and it connects to a fan to spin around.
While the project is pretty simple, we liked two aspects of it. First, he provides ver... | 29 | 9 | [
{
"comment_id": "6530346",
"author": "paulvdh",
"timestamp": "2022-11-10T00:49:49",
"content": "Some other thing’s that usually come in handy:* Something that moves, either a motor, bycicle wheel, an arm or whatever.* Either a battery or some sliding contact for the power.* A bit of software, but it... | 1,760,372,502.10641 | ||
https://hackaday.com/2022/11/09/this-wii-has-an-apple-m1-inside/ | This Wii Has An Apple M1 Inside | Navarre Bartz | [
"3d Printer hacks",
"computer hacks",
"Games",
"Mac Hacks",
"Nintendo Hacks",
"Nintendo Wii Hacks",
"Toy Hacks"
] | [
"apple m1",
"Apple Silicon",
"Case mod",
"case modding",
"Case mods",
"M1",
"mac mini",
"mario kart",
"nintendo",
"nintendo wii",
"wii"
] | The conveniently tiny logic board of the M1 Mac mini has lead to it giving the Mini ITX format a run for its money in case mods. The latest example of this is
[Luke Miani]’s M1 Wii
. (Youtube via
9to5Mac
)
[Miani] chose the Wii as a new enclosure for this Mac mini given its similar form factor and the convenient set of... | 8 | 4 | [
{
"comment_id": "6530254",
"author": "ono",
"timestamp": "2022-11-09T21:08:18",
"content": "I was bored until I read about the “heat spreader”. Those words were like butter on the toast, a warm feeling of fully circle splicing into. Thank you for the soup.",
"parent_id": null,
"depth": 1,
... | 1,760,372,502.147679 | ||
https://hackaday.com/2022/11/09/diy-spacenavigator-brings-the-freedom/ | DIY SpaceNavigator Brings The Freedom | Jonathan Bennett | [
"Peripherals Hacks"
] | [
"3D CAD",
"3d printed",
"6dof"
] | [Pepijn de Vos] wanted a 6DOF HID. You know, a 6 Degrees Of Freedom Hardware Interface Device. Those are the fancy controllers for navigating in 3D space, for uses like Computer Aided Design, or
Kerbal Space Program
. And while we can’t speak to [Pepijn]’s KSP addiction, we do know that the commercially available contr... | 25 | 10 | [
{
"comment_id": "6530208",
"author": "Olivier",
"timestamp": "2022-11-09T19:46:37",
"content": "Cool stuff!Some random suggestions for future versions:– In current design ‘cut off the knob’ (that sounds wrong..) then mount a potentiometer to the platform you’re left with, then mount the knob to that... | 1,760,372,502.255295 | ||
https://hackaday.com/2022/11/08/slingbox-getting-bricked-you-have-less-than-24-hours/ | Slingbox Getting Bricked – You Have Less Than 24 Hours | Arya Voronova | [
"home entertainment hacks",
"Repair Hacks",
"Video Hacks"
] | [
"bricking",
"slingbox",
"unbricking"
] | The Slingbox devices used to let you catch up with the programming on your TV when you weren’t near it, using your Internet-connected mobile device. As cable TV became less popular, their business model faded away, and in 2020, they scheduled a service shutdown for November 9th, 2022. If you own a Slingbox, it’s gettin... | 41 | 10 | [
{
"comment_id": "6529804",
"author": "FiveEyesNoPrize",
"timestamp": "2022-11-09T01:34:20",
"content": "It’s a shame that manufacturers can break a device you bought and paid for, on purpose. Even if it is “no longer supported”, being able to use what you already bought should be the baseline. Logit... | 1,760,372,502.332377 | ||
https://hackaday.com/2022/11/08/cheap-scope-troubleshoots-commodore/ | Cheap Scope Troubleshoots Commodore | Al Williams | [
"Repair Hacks",
"Retrocomputing"
] | [
"oscilloscope",
"scope"
] | [Adrian] had a Commodore computer to fix and decided to
see how his latest tiny portable scope would work
. He paid $57 for the tiny little test instrument although the current price seems higher. It claims to have 120MHz bandwidth along with 500 megasamples per second. There are several versions with different claimed... | 17 | 5 | [
{
"comment_id": "6529715",
"author": "Justin",
"timestamp": "2022-11-08T21:37:49",
"content": "My only complaint is sometimes you need a second probe when you’re trying to compare timing between two signals. More than two isn’t necessary – just convenient.",
"parent_id": null,
"depth": 1,
... | 1,760,372,502.443361 | ||
https://hackaday.com/2022/11/08/3d-printed-shelf-connector/ | 3D Printed Shelf Connector | Navarre Bartz | [
"home hacks",
"Parts"
] | [
"3d printed furniture",
"3d printed joint",
"customizable furniture",
"furniture",
"prototype",
"woodworking"
] | Sometimes, you really need a custom shelf. Whether you have a weird-shaped space, weird-shaped stuff, or just want something different, making your own shelving can make your place more like home.
The Plus Shelf by [shurly]
aims to make building your own shelves a little easier with a 3D printed bracket.
These connecto... | 15 | 8 | [
{
"comment_id": "6529672",
"author": "Jace",
"timestamp": "2022-11-08T19:39:51",
"content": "I mean, if the dying process is what cause the structural problems, the solution seems to be to just use the desired color for the 3D printed material to start.",
"parent_id": null,
"depth": 1,
"... | 1,760,372,502.386149 | ||
https://hackaday.com/2022/11/08/keebin-with-kristina-the-one-with-the-pumpkin-keyboard/ | Keebin’ With Kristina: The One With The Pumpkin Keyboard | Kristina Panos | [
"Hackaday Columns",
"Peripherals Hacks",
"Slider"
] | [
"Edison typewriter",
"Malling-Hansen writing ball",
"pumpkin",
"pumpkin keyboard"
] | Oh, the places plastic has taken us. One of the arguably better inventions might be the fake carve-able pumpkin, which is more or less guaranteed not to shrivel up and rot on your porch, though it might get smashed by wily teenagers along with its organic brethren next door.
Though they will be around much longer, the ... | 9 | 3 | [
{
"comment_id": "6529643",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-11-08T18:36:07",
"content": "I stopped watching the pumpkin keyboard video around 30 seconds.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6529726",
"aut... | 1,760,372,502.783947 | ||
https://hackaday.com/2022/11/08/chevron-desk-takes-advantage-of-plywood-for-patterning/ | Chevron Desk Takes Advantage Of Plywood For Patterning | Lewin Day | [
"Tool Hacks"
] | [
"desk",
"plywood",
"woodwork",
"woodworking"
] | Buying a desk is all well and good, but [WoodCraftly] found that the options they found online were too pricey for what was being offered. Buying the table frame from scratch was much cheaper, and just required crafting a top to match. That provided the opportunity to create
this beautiful herringbone-finish desk creat... | 23 | 8 | [
{
"comment_id": "6529611",
"author": "smellsofbikes",
"timestamp": "2022-11-08T16:44:15",
"content": "I’ve made wood plane handles out of stacked and glued 6mm plywood and they look fantastic but the wood itself isn’t very durable and wears/dents pretty easily. As such, if you’re going to do this I... | 1,760,372,502.734834 | ||
https://hackaday.com/2022/11/08/the-wow-signal-revisited-citizen-science-informs-seti-effort/ | The Wow! Signal Revisited: Citizen Science Informs SETI Effort | Dan Maloney | [
"Current Events",
"Featured",
"Interest",
"Space"
] | [
"2MASS 19281982-2640123",
"citizen science",
"exoplanet",
"radiotelescope",
"SETI",
"The Big Ear",
"The Wow! Signal"
] | As far as interesting problems go, few can really compete with the perennial question: “Are we alone?” The need to know if there are other forms of intelligent life out there in the galaxy is deeply rooted, and knowing for sure either way would have massive implications.
But it’s a big galaxy, and knowing where to look... | 52 | 11 | [
{
"comment_id": "6529578",
"author": "mrehorst",
"timestamp": "2022-11-08T15:29:58",
"content": "The Dandy’s had something to say about this:https://www.youtube.com/watch?v=KG0aeJObwf8",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6531685",
"author"... | 1,760,372,502.911847 | ||
https://hackaday.com/2022/11/08/making-medical-simulators-less-expensive-with-3d-printing-and-silicone/ | Making Medical Simulators Less Expensive With 3D Printing And Silicone | Navarre Bartz | [
"Medical Hacks"
] | [
"3d printing",
"anatomy",
"clinic",
"FDM",
"hospital",
"medical simulator",
"medical training",
"medicine",
"training"
] | Medical training simulators are expensive, but important, pieces of equipment.
[Decent Simulators]
is designing simulators that can easily be replicated using Fused Deposition Modeling (FDM) printers and silicone molds to bring the costs down.
Each iteration of the simulators is sent out for testing by paramedics and d... | 0 | 0 | [] | 1,760,372,502.821901 | ||
https://hackaday.com/2022/11/08/ir-remote-tester-helps-you-crack-the-code/ | IR Remote Tester Helps You Crack The Code | Dave Walker | [
"Arduino Hacks",
"Reverse Engineering"
] | [
"arduino",
"infrared",
"ir",
"remote control",
"TSOP4838"
] | Even though some devices now use WiFi and Bluetooth, so much of our home entertainment equipment still relies on its own proprietary infrared remote control. By and large (when you can find them) they work fine, but what happens when they stop working? First port of call is to change the batteries, of course, but once... | 15 | 7 | [
{
"comment_id": "6529500",
"author": "Redhatter (VK4MSL)",
"timestamp": "2022-11-08T10:09:51",
"content": "Or, grab pretty much any phone camera, open the camera program and point the camera lens at the remote control as you press the buttons… you’ll see the LED on the phone’s screen flash since the... | 1,760,372,503.0293 | ||
https://hackaday.com/2022/11/07/how-those-nes-dip-chips-were-reduced-to-qfns/ | How Those NES DIP Chips Were Reduced To QFNs | Jenny List | [
"Nintendo Hacks"
] | [
"chip sanding",
"nes",
"qfn"
] | The world of console modding leads us to some extremely impressive projects, and a recent one we featured of note was a portable NES produced by [Redherring32]. It was special because the original NES custom DIP chips had been sanded down to something like a surface-mount QFN package. Back when our colleague [Arya] wro... | 26 | 6 | [
{
"comment_id": "6529471",
"author": "ColinB",
"timestamp": "2022-11-08T08:15:15",
"content": "I would love to see this with a Sega Genesis.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6529479",
"author": "Joshua",
"timestamp": "2022-11-08T08:49:49"... | 1,760,372,502.975438 | ||
https://hackaday.com/2022/11/07/commodore-datasette-does-its-own-calibration/ | Commodore Datasette Does Its Own Calibration | Jonathan Bennett | [
"computer hacks",
"News",
"Retrocomputing"
] | [
"calibration",
"commodore 64",
"datasette"
] | Ah, the beloved Commodore 64. The “best-selling computer system of all time”. And hobbyists are keeping the dream alive, still producing software for it today. Which leads us to a problem with using such old equipment. When you get your copy of Petscii Robots on cassette, and try to fastload it, your machine might just... | 41 | 7 | [
{
"comment_id": "6529417",
"author": "Eric Chapin",
"timestamp": "2022-11-08T03:58:38",
"content": "“cue-tips” never heard it that way, usually I spell em as Q-tips.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6529419",
"author": "KDawg",
... | 1,760,372,503.216316 | ||
https://hackaday.com/2022/11/07/smelting-solar-style/ | Smelting Solar Style | Al Williams | [
"Solar Hacks"
] | [
"fresnel",
"metal casting",
"solar energy"
] | If you attended the 2022 Supercon, you might have heard the story about the SMD soldering challenge table nearly catching on fire. A magnifying lamp caught the sun just right and burned a neat trench into another lamp’s plastic base. While disaster was averted, [Jelle Seegers] does this on purpose using
a huge 5-meter ... | 32 | 13 | [
{
"comment_id": "6529361",
"author": "rnjacobs",
"timestamp": "2022-11-08T01:04:37",
"content": "Reminds me a little of this old hackaday post:https://hackaday.com/2011/06/25/selective-solar-sintering-with-sand/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,372,503.392911 | ||
https://hackaday.com/2022/11/07/overengineered-fume-extractor-version-2/ | Overengineered Fume Extractor, Version 2 | Al Williams | [
"Tool Hacks"
] | [
"attiny",
"fume extractor"
] | We all know the temptation of adding one more feature to your latest project. [Arnov Sharma] didn’t resist the urge. Building on his 3D-printed fume extractor, he
developed a new version
made of PCB material.
The device has a 18650 battery and corrects several flaws in the original design we covered earlier. In particu... | 12 | 8 | [
{
"comment_id": "6529314",
"author": "𐂀 𐂅",
"timestamp": "2022-11-07T21:40:26",
"content": "As a gourmand and food hacker it is my fumes that are over engineered.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6529411",
"author": "Rob",
"timestamp": ... | 1,760,372,503.264677 | ||
https://hackaday.com/2022/11/07/m-2-for-hackers-cards/ | M.2 For Hackers – Cards | Arya Voronova | [
"computer hacks",
"Hackaday Columns",
"how-to",
"laptops hacks",
"Slider"
] | [
"M.2",
"m2"
] | Last time, I’ve explained everything you could want to know if you wanted to put an M.2 socket onto your board. Today, let’s build M.2 cards! There’s a myriad of M.2 sockets out there that are just asking for a special card to be inserted into it, and perhaps, it’s going to be your creation that fits.
Why Build Cards?
... | 17 | 8 | [
{
"comment_id": "6529272",
"author": "McErer",
"timestamp": "2022-11-07T19:03:46",
"content": "Very interesting read (including a minor confusion in the paragraph ‘outlining the card’, I guess… -> width / length).",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,372,503.326056 | ||
https://hackaday.com/2022/11/07/an-rp2040-powered-pick-and-place/ | An RP2040 Powered Pick And Place | Matthew Carlson | [
"Raspberry Pi",
"Tool Hacks"
] | [
"circuit design",
"pick and place",
"PickAndPlace",
"rp2040"
] | Pick and place machines are a wonder to behold, as they delicately and accurately place part after part. Unfortunately, they have to have a similarly wondrous price tag. Luckily, they aren’t too difficult to make yourself as they share many properties of a 3D printer with some extra constraints. [Stargirl Flowers] rele... | 15 | 6 | [
{
"comment_id": "6529249",
"author": "Günther von Schreck",
"timestamp": "2022-11-07T17:58:26",
"content": "Why is there a car type fuse on the brett?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6529449",
"author": "Thea Flowers",
"timesta... | 1,760,372,503.550795 | ||
https://hackaday.com/2022/11/09/retrotechtacular-programming-by-card/ | Retrotechtacular: Programming By Card | Al Williams | [
"Hackaday Columns",
"Retrocomputing",
"Retrotechtacular",
"Slider"
] | [
"keypunch",
"punched cards"
] | The recent Supercon 6 badge, if you haven’t seen it, was an old-fashioned type computer with a blinky light front panel. It was reminiscent of an Altair 8800, a PDP-11, or DG Nova. However, even back in the day, only a few people really programmed a computer with switches. Typically, you might use the switches to toggl... | 67 | 36 | [
{
"comment_id": "6530156",
"author": "jbx",
"timestamp": "2022-11-09T18:22:12",
"content": "Very interesting stuff here !I remember an uncle telling me stories about his young time when he went to Switzerland from France on a regular basis with a bunch of punch-cards with him (he was a researcher at... | 1,760,372,503.500876 | ||
https://hackaday.com/2022/11/09/detecting-radiation-for-fun-and-profit/ | Detecting Radiation For Fun And Profit | Al Williams | [
"Teardown"
] | [
"geiger counter",
"radiation",
"teardown"
] | It used to be that every well-stocked doomsday bunker had a Geiger counter. These days, you don’t have to have a big tube-based meter. You can inexpensively get a compact digital instrument to handle your radiation detection needs. [DiodeGoneWild]
reviews and tears down such a unit from FNIRSI
. The case looks like sev... | 19 | 8 | [
{
"comment_id": "6530132",
"author": "Vic",
"timestamp": "2022-11-09T17:31:56",
"content": "I see neither a single radiation-hardened component on this PCB, nor lead foil shielding. Exposed to real nuclear fallout, this thing will last mere minutes.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,503.605023 | ||
https://hackaday.com/2022/11/09/chinese-chips-are-being-artificially-slowed-to-dodge-us-export-regulations/ | Chinese Chips Are Being Artificially Slowed To Dodge US Export Regulations | Lewin Day | [
"Current Events",
"Featured",
"News"
] | [
"china",
"chip",
"chip foundry",
"fabless",
"fabless semiconductor company",
"silicon foundry",
"Tech",
"technology",
"tsmc"
] | Once upon a time, countries protected their domestic industries with tariffs on imports. This gave the home side a price advantage over companies operating overseas, but the practice has somewhat fallen out of fashion in the past few decades.
These days, governments are altogether more creative, using fancy export cont... | 68 | 16 | [
{
"comment_id": "6530082",
"author": "Dan",
"timestamp": "2022-11-09T15:43:22",
"content": "Restricting AI-capable technology is good, not because of trying to keep ahead of Chinese tech, but because China is using it to violate human rights of their population, and to oppress minority people groups... | 1,760,372,503.713194 | ||
https://hackaday.com/2022/11/09/moved-off-twitter-make-your-esp32-toot/ | Moved Off Twitter? Make Your ESP32 Toot | Arya Voronova | [
"internet hacks",
"Software Hacks"
] | [
"c++",
"ESP32",
"mastodon",
"platform.io",
"platformio",
"toot",
"twitter"
] | Since Twitter was officially taken over by Elon Musk a few days ago, there’s been significant staff cuts, a stream of questionable decisions, and uncertainty about the social media platform’s future. So it’s little surprise that a notable number of people, those in the tech and hacker scenes in particular, have decided... | 75 | 19 | [
{
"comment_id": "6530008",
"author": "zoobab",
"timestamp": "2022-11-09T12:28:48",
"content": "What about hosting all your text tweets on an ESP32?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6530017",
"author": "Bastet",
"timestamp": "202... | 1,760,372,504.015245 | ||
https://hackaday.com/2022/11/09/clever-control-loop-makes-this-spinning-drone-fault-tolerant/ | Clever Control Loop Makes This Spinning Drone Fault-Tolerant | Dan Maloney | [
"drone hacks"
] | [
"control",
"drone",
"multicopter",
"pitch",
"Roll",
"thrust",
"yaw"
] | Most multi-rotor aircraft are about as aerodynamic as a brick. Unless all its motors are turning and the control electronics are doing their thing, most UAVs are quickly destined to become UGVs, and generally in spectacular fashion. But by switching up things a bit, it’s possible to make
a multi-rotor drone that keeps ... | 18 | 5 | [
{
"comment_id": "6529958",
"author": "Stuart Longland",
"timestamp": "2022-11-09T10:06:32",
"content": "Unmanned G??? Vehicle?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6529967",
"author": "Paul F",
"timestamp": "2022-11-09T10:24:20",
... | 1,760,372,503.854821 | ||
https://hackaday.com/2022/11/08/z80-gets-new-os/ | Z80 Gets New OS | Al Williams | [
"Retrocomputing"
] | [
"z80"
] | If you have a soft spot for a Z80 computer but want a new operating system experience, try
Zeal
. You can watch a demo of the open-source OS in the video below.
As you might expect, the whole system is written in Z80 assembly language. The features you expect are there: files, directories, device drivers, a clock, and ... | 19 | 6 | [
{
"comment_id": "6529970",
"author": "Sanouage",
"timestamp": "2022-11-09T10:34:19",
"content": "Very interesting and ambitious. Not only it has the Zeal 8-bit OS, but also the creator is making Z80 computer. I think the world still needs the Z80, especially in IT education. Why not teaching comput... | 1,760,372,503.910173 | ||
https://hackaday.com/2022/11/08/three-norths-align-and-its-not-even-up-north/ | Three Norths Align, And It’s Not Even Up North | Jenny List | [
"Science"
] | [
"magnetic north",
"mapping",
"north"
] | Sometimes here at Hackaday we bring you stories from slightly outside our world of tech, because they have an interesting angle. Maybe they relate to science or astronomy, or
in the case of the UK’s Ordnance Survey explaining how Britain’s three Norths will align
, geography.
Some of you may know that the British monar... | 7 | 2 | [
{
"comment_id": "6529916",
"author": "loonquawl",
"timestamp": "2022-11-09T07:18:17",
"content": "Magnetic North (while in flux over time) is at any specific time the direction to the magnetic North Pole, True North is not in flux over time, it is simply the direction to the geographic north pole, b... | 1,760,372,504.398238 | ||
https://hackaday.com/2022/11/07/dosimetry-measuring-radiation/ | Dosimetry: Measuring Radiation | Dan Maloney | [
"Featured",
"Interest",
"Science",
"Slider"
] | [
"dosage",
"measurement",
"radiation"
] | Thanks to stints as an X-ray technician in my early 20s followed by work in various biology labs into my early 40s, I’ve been classified as an “occupationally exposed worker” with regard to ionizing radiation for a lot of my life. And while the jobs I’ve done under that umbrella have been vastly different, they’ve all ... | 21 | 8 | [
{
"comment_id": "6529220",
"author": "Richard Price",
"timestamp": "2022-11-07T17:00:50",
"content": "In geotechnical engineering, site field engineer technicians use a Troxler device to check compaction of soil during construction. All technicians are required to wear a dosimetry badge during opera... | 1,760,372,504.074674 | ||
https://hackaday.com/2022/11/06/rope-core-drum-machine/ | Rope Core Drum Machine | Jonathan Bennett | [
"hardware",
"Musical Hacks",
"News"
] | [
"Core rope memory",
"modular synth",
"sequencer"
] | One of our favorite musical hackers, [Look Mum No Computer] is
getting dangerously close to building a computer
. His quest was to create a unique drum machine, inspired by
a Soviet auto-dialer that used rope core memory for number storage
. Rope memory is the read-only sibling to magnetic core memory, the memory techn... | 7 | 5 | [
{
"comment_id": "6529079",
"author": "mime",
"timestamp": "2022-11-07T06:54:03",
"content": "I admire this guy’s energy.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6529165",
"author": "Titchard",
"timestamp": "2022-11-07T12:51:46",
... | 1,760,372,504.232018 | ||
https://hackaday.com/2022/11/06/recycled-chairs-bring-the-subway-to-your-living-room/ | Recycled Chairs Bring The Subway To Your Living Room | Navarre Bartz | [
"home hacks",
"Transportation Hacks"
] | [
"boston",
"mbta",
"mit",
"MIT Hobby Shop",
"public transit",
"recycled chair",
"recycled furniture",
"Red Line",
"subway"
] | Public transit seats have a rough life. Enduring a number of wear cycles that would make your sofa weep, they take a beating and have to keep looking presentable. When trains and buses are retired, where do the old seats go? A team from the MIT Hobby Shop investigated what was happening to the seats from retiring MBTA ... | 38 | 12 | [
{
"comment_id": "6529031",
"author": "SB5",
"timestamp": "2022-11-07T03:08:59",
"content": "As someone who has spent a long time on the Red Line, I really don’t want to spend any more time on those uncomfortable seats.But I have to ask, do these seats come with the smells of an actual Red Line train... | 1,760,372,504.359183 | ||
https://hackaday.com/2022/11/06/hackaday-links-november-6-2022/ | Hackaday Links: November 6, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"AirTag",
"chip shortage",
"dust",
"engine simulator",
"hackaday links",
"InSight",
"Lufthansa",
"mars",
"physics engine",
"Pi",
"semiconductor"
] | Remember the chip shortage? We sure do, mainly because as far as we can tell, it’s still going on, at least judging by the fact that you can’t get a Raspberry Pi for love or money. But that must just be noise, because according to
a report in the Straits Times
, the chip shortage is not only over, it’s reversed course ... | 20 | 5 | [
{
"comment_id": "6528975",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-11-07T00:12:55",
"content": "Yeah, there is just too much weight/cost to include a brush and motor to sweep dust off Martian solar panels. It’s much cheaper to end the mission and ask Congress to fund the... | 1,760,372,504.288223 |
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