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https://hackaday.com/2022/09/04/hackaday-links-september-4-2022/ | Hackaday Links: September 4, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"apple",
"hackaday links",
"machine vision",
"pentalobe",
"right to repair",
"taxes",
"tesla",
"Therac-25"
] | Say what you will about Tesla, but there’s little doubt that the electric vehicle maker inspires a certain degree of fanaticism in owners. We’re used to the ones who can’t stop going on about neck-snapping acceleration and a sci-fi interior. But the ones we didn’t see coming are
those who feel their cars are so bad tha... | 19 | 6 | [
{
"comment_id": "6509571",
"author": "Dan",
"timestamp": "2022-09-04T23:33:31",
"content": "Oh no poor Tesla owners :( I bet they have giant crypto and GME portfolios too",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6509635",
"author": "s",
... | 1,760,372,575.776119 | ||
https://hackaday.com/2022/09/04/hackaday-prize-2022-drying-clothes-with-ultrasound/ | Hackaday Prize 2022: Drying Clothes With Ultrasound | Lewin Day | [
"Misc Hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"clothes dryer",
"dryer",
"ultrasonic",
"ultrasound"
] | Clothes dryers are great, and a key part of modern life, but they do use a lot of energy. [Mike Rigsby] decided to see if there was a more efficient method of drying clothes that could compete with resistive heating for efficiency.
Thus, he started work on an ultrasonic clothes dryer
.
In early testing, he found ultras... | 29 | 12 | [
{
"comment_id": "6509529",
"author": "Sweeney",
"timestamp": "2022-09-04T20:10:23",
"content": "Maybe a system like the old fashioned mangle would work better. Pass the items, one at a time, past a line or lines of transducers.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,575.840023 | ||
https://hackaday.com/2022/09/04/this-vintage-alphanumeric-display-was-huge-hot-heavy-and-expensive/ | This Vintage Alphanumeric Display Was Huge, Hot, Heavy, And Expensive | Donald Papp | [
"classic hacks"
] | [
"alphanumeric",
"classic",
"daylight readable",
"incandescent",
"vintage"
] | It’s easy to take display technology for granted nowadays, but the ability to display data in a human-readable way was not always easy. This is demonstrated well by the
Pinlite 30003 Alphanumeric Display Module
, a four-character display that was pure luxury for its time.
Each display is a rectangular vacuum tube conta... | 20 | 7 | [
{
"comment_id": "6509497",
"author": "chango",
"timestamp": "2022-09-04T17:37:24",
"content": "A Numitron by any other name…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6509518",
"author": "Wolf",
"timestamp": "2022-09-04T19:35:14",
... | 1,760,372,576.198771 | ||
https://hackaday.com/2022/09/04/gp2040-a-configurable-game-pad-firmware/ | GP2040: A Configurable Game Pad Firmware | Dave Rowntree | [
"Peripherals Hacks"
] | [
"DirectInput",
"gamepad",
"lwip",
"React",
"rgb",
"RNDIS",
"rp2040",
"xinput"
] | [feralAI] and fellow GitHub contributors present for your viewing pleasure
GP2040: an open source game pad firmware
for RP2040-based hardware. The dual-core RP2040 is a good platform to use for gaming inputs, as there is plenty of CPU grunt to get sub-1 ms USB polling time, regardless of any other tasks the controller ... | 12 | 7 | [
{
"comment_id": "6509470",
"author": "70sjukebox",
"timestamp": "2022-09-04T15:35:39",
"content": "Hmm, wonder of you could mod this to fake speed runs by playing back TAS (tool assisted speed runs). Not that it would be a positive thing.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,575.650724 | ||
https://hackaday.com/2022/09/04/fail-of-the-week-bronze-brazed-wrought-iron/ | Fail Of The Week: Bronze-Brazed Wrought Iron | Jonathan Bennett | [
"Fail of the Week"
] | [
"bronze",
"fail of the week",
"wrought iron"
] | [Will Stelter], a promising young blacksmith working out of Montana, had
a terrific idea for a unique composite material
for finishing off a knife build. This build is a collaboration between multiple blacksmiths, and as the youngster of the group, [Will] really wanted to pull out the stops and finally make a material ... | 16 | 9 | [
{
"comment_id": "6509430",
"author": "Foldi-One",
"timestamp": "2022-09-04T12:01:37",
"content": "I wonder if its excess flux from using braising rods is causing the bubbles – gets liquid and flows inside but doesn’t then escape when the centre gets hot enough it turns to gas with all the now molten... | 1,760,372,576.130106 | ||
https://hackaday.com/2022/09/04/diy-fume-extractor-with-attiny13-speed-control/ | DIY Fume Extractor With ATtiny13 Speed Control | Tom Nardi | [
"ATtiny Hacks",
"Tool Hacks"
] | [
"3D printed enclosure",
"attiny13",
"fume extractor",
"mosfet",
"pwm",
"TP4056"
] | Let’s be honest, commercially-available soldering fume extractors are cheap enough that you probably don’t need to build one yourself. But it still makes for a good starter project, especially if you go out of your way to really flex your maker muscles like
[Arnov Sharma] did with this tidy build
.
All the hallmarks of... | 15 | 6 | [
{
"comment_id": "6509380",
"author": "Jouni",
"timestamp": "2022-09-04T08:24:11",
"content": "Crazy noise from the prop.Just get a 5V PC fan, glue it to some small baseboard to keep it upright and plug into USB power supply. Low noise and gets the job done. You probably want always the maximum sucki... | 1,760,372,575.712718 | ||
https://hackaday.com/2022/09/03/pretty-pico-macropad-eases-transition-back-to-office/ | Pretty Pico Macropad Eases Transition Back To Office | Kristina Panos | [
"Peripherals Hacks"
] | [
"macro pad",
"macropad",
"raspberry pi",
"Raspberry Pi Pico"
] | [Thomas “Mel” Maillioux] is no stranger to the custom mechanical keyboard game — and faced with having to return to the office, they decided to whip up
a sweet little macropad
to both commemorate the occasion and make work a bit easier.
This cotton candy-colored block of beauty was designed to pay homage to [Mel]’s fav... | 33 | 15 | [
{
"comment_id": "6509371",
"author": "Bruce D Lightner",
"timestamp": "2022-09-04T07:25:20",
"content": "My mama told me not to say anything if I had nothing good to say. No comment.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6509378",
"author": ... | 1,760,372,575.912888 | ||
https://hackaday.com/2022/09/03/machine-learning-app-remembers-names-so-you-dont-have-to/ | Machine Learning App Remembers Names So You Don’t Have To | Dan Maloney | [
"Machine Learning"
] | [
"app",
"conversation",
"name",
"named-entity recognition",
"NER",
"OpenNLP"
] | Depending on your point of view, real-life conversations with strangers can either be refreshing or terrifying. Some of us are glib and at ease in new social situations, while others are sure that the slightest flub will haunt them forever. And perhaps chief among these conversational faux pas is forgetting the name of... | 9 | 6 | [
{
"comment_id": "6509375",
"author": "Piotrsko",
"timestamp": "2022-09-04T07:44:17",
"content": "Never had this issue, but I have known people for years and still don’t know their name. If you’re careful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "65094... | 1,760,372,575.957818 | ||
https://hackaday.com/2022/09/03/nevermore-is-what-you-get-when-engineers-design-air-filters-for-3d-printers/ | Nevermore Is What You Get When Engineers Design Air Filters For 3D Printers | Donald Papp | [
"3d Printer hacks"
] | [
"3d printing",
"air filter",
"smells",
"UFP",
"VOC",
"voron"
] | What happens when an air filter for 3D printers gets designed by engineers with a passion for function, a refusal to compromise, and a desire to do without bad smells or fumes? You get
the Nevermore
, a design for a recirculating active-carbon filtration system to deal with VOCs (volatile organic compounds) from 3D pri... | 27 | 15 | [
{
"comment_id": "6509298",
"author": "Scott",
"timestamp": "2022-09-04T00:40:00",
"content": "What a fantastic idea. Thank you for pointing this out to community!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6509303",
"author": "Drone",
"timestamp":... | 1,760,372,576.027309 | ||
https://hackaday.com/2022/09/03/hackaday-prize-2022-treadmill-becomes-human-powered-generator/ | Hackaday Prize 2022: Treadmill Becomes Human-Powered Generator | Lewin Day | [
"Misc Hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"exercise",
"generator",
"treadmill"
] | Running on a treadmill is a great way to workout, but what if the effort you put in could be put to use?
This treadmill generator from [Amitabh Shrivastava] does just that.
The build starts with a regular old treadmill, which has a motor inside typically used to power the tread. Instead, the motor’s control electronics... | 11 | 7 | [
{
"comment_id": "6509253",
"author": "Andrew Peters",
"timestamp": "2022-09-03T21:16:35",
"content": "BasicallyHomeless did this to power a gaming PC, too.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6509302",
"author": "Garth Bock",
"timestamp": "2... | 1,760,372,576.076179 | ||
https://hackaday.com/2022/09/03/this-pico-w-iot-starter-project-gets-you-into-home-assistant-quick-as-a-flash/ | This Pico-W IoT Starter Project Gets You Into Home Assistant Quick As A Flash | Dave Rowntree | [
"home hacks",
"Microcontrollers"
] | [
"home automation",
"home-assistant",
"IoT",
"mqtt",
"Pi Pico W"
] | Many of us hacker types with some hardware knowledge and a smattering of embedded experience would like to get into home automation, but there can be quite a learning curve. If you’re looking for a hackable starting point; something to deploy, learn about and then later expand upon, then look no further than the
PicoW ... | 20 | 9 | [
{
"comment_id": "6509211",
"author": "Edwin",
"timestamp": "2022-09-03T18:10:08",
"content": "Nice !If you can’t get your hand on a pico w, try Esphome with some esp8266 (i.e. d1 mini)Might even be easier.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "65092... | 1,760,372,576.299146 | ||
https://hackaday.com/2022/09/03/streamlining-the-toolchain/ | Streamlining The Toolchain | Elliot Williams | [
"Rants"
] | [
"automation",
"newsletter",
"open source",
"toolchain"
] | Sometimes I try to do something magical, and it works. Most of the time this happens because other people have done a good part of the work for me, and shared it. I just cobble a bunch of existing tools into a flow that fits my needs. But the sum of all the parts is often less than the whole, when too many of the steps... | 13 | 10 | [
{
"comment_id": "6509182",
"author": "Confused",
"timestamp": "2022-09-03T14:12:33",
"content": "Not sure if I understood the point of the post….are you saying something about your son or your cobbled together efforts?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_... | 1,760,372,576.609609 | ||
https://hackaday.com/2022/09/02/this-weeks-hack-chat-sets-the-stage-for-supercon/ | This Week’s Hack Chat Sets The Stage For Supercon | Tom Nardi | [
"cons",
"Hackaday Columns"
] | [
"2022 Hackaday Supercon",
"Hack Chat",
"Supercon"
] | While the 2020 and 2021 Remoticons were a blast, we all know that virtual events are no substitute for in-person conferences. Which is why we’re so excited to once again invite the Hackaday community to converge on Pasadena in November for a weekend of talks, workshops, and hardware hacking for our sixth Supercon.
To h... | 0 | 0 | [] | 1,760,372,576.558718 | ||
https://hackaday.com/2022/09/02/robot-brutally-chops-but-makes-poor-guacamole/ | Robot Brutally Chops But Makes Poor Guacamole | Lewin Day | [
"cooking hacks"
] | [
"guacamole",
"salad"
] | Making guacamole by hand normally takes [Estefannie] about 9 minutes. Given her insatiable appetite for the delicious condiment, she spends a lot of time whipping it up in the kitchen at home. Thus, it’s a task ripe for automation, and she set about
building a robot to do the job instead.
The robot starts by chopping i... | 27 | 13 | [
{
"comment_id": "6508994",
"author": "Then",
"timestamp": "2022-09-02T16:21:22",
"content": "Hows Simone Giertz?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6509089",
"author": "None",
"timestamp": "2022-09-03T00:03:56",
"content":... | 1,760,372,577.038242 | ||
https://hackaday.com/2022/09/02/this-week-in-security-malicious-clipboards-snakes-on-a-domain-and-binary-golf/ | This Week In Security: Malicious Clipboards, Snakes On A Domain, And Binary Golf | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"Binary Golf",
"sky is falling",
"This Week in Security"
] | There’s a bit of a panic regarding Chromium, Google Chrome, the system clipboard, and of all things, Google Doodles on the New Tab Page. It’s all about
Chromium issue 1334203, “NewTabPageDoodleShareDialogFocusTest.All test fails when user gesture is enforced”
. You see, Chromium has quite a large regression test suite,... | 4 | 3 | [
{
"comment_id": "6508959",
"author": "Foldi-One",
"timestamp": "2022-09-02T14:19:48",
"content": "Always enjoy these summaries and usually learn something as well – in this case not being a chrome user I had no idea anything was going on, and not being a windoze user those long exploit chains while ... | 1,760,372,576.651938 | ||
https://hackaday.com/2022/09/02/truthsayer-uses-facial-recognition-to-see-if-youre-telling-the-truth/ | Truthsayer Uses Facial Recognition To See If You’re Telling The Truth | Dan Maloney | [
"Machine Learning",
"Video Hacks"
] | [
"Face Mesh",
"face recognition",
"FER",
"lie detector",
"machine learning",
"machine vision",
"mood",
"opencv",
"pulse"
] | It’s hard to watch [Mark Zuckerberg]’s 2018 Congressional testimony and not come to the conclusion that he is, at a minimum, quite a bit different than the average person. Of course, having built a multibillion-dollar company that drastically changed everything about the way people communicate is pretty solid evidence ... | 18 | 7 | [
{
"comment_id": "6508908",
"author": "Your comment is awaiting moderation",
"timestamp": "2022-09-02T11:28:35",
"content": "very cool. defo worth watching the videos … and no annoying adverts !!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6508913",
"au... | 1,760,372,576.706163 | ||
https://hackaday.com/2022/09/02/the-ease-of-wireless-charging-without-the-wait/ | The Ease Of Wireless Charging, Without The Wait | Bryan Cockfield | [
"Arduino Hacks",
"Phone Hacks"
] | [
"arduino",
"automation",
"charger",
"charging",
"phone",
"port",
"usb",
"wired",
"wireless"
] | Historically, there have been a few cases of useful wireless power transmission over great distances, like a team at MIT that was able to light up a 60 W bulb at several meters, and of course Nikola Tesla had grand dreams of drawing energy from the atmosphere. But for most of us wireless power is limited to small, shor... | 14 | 7 | [
{
"comment_id": "6508878",
"author": "Pritchard",
"timestamp": "2022-09-02T09:06:02",
"content": "An easier solution would have been to integrate one of those magnetic (like magsafe) style USB connectors into a dock. But that wouldn’t be as cool.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,372,576.863335 | ||
https://hackaday.com/2022/09/01/lego-rig-makes-pretty-water-vortexes/ | LEGO Rig Makes Pretty Water Vortexes | Lewin Day | [
"Toy Hacks"
] | [
"lego",
"sphere",
"water vortex"
] | LEGO and its Technic line is a great way to learn about all kinds of mechanical things, but it’s also just a whole lot of fun to play with. We suspect the latter reason is what got [Brick Technology] to pursue creating
a trippy water vortex with the building toy.
The first design uses a transparent plastic sphere as a ... | 6 | 5 | [
{
"comment_id": "6508831",
"author": "2ftg",
"timestamp": "2022-09-02T06:08:00",
"content": "That looks so nice.Always fun to see LEGO’s being used for quick prototypes and experiments.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6508935",
"author": "Yu... | 1,760,372,576.906077 | ||
https://hackaday.com/2022/09/01/a-liquid-metal-fountain-that-works-at-room-temperature/ | A Liquid Metal Fountain That Works At Room Temperature | Robin Kearey | [
"chemistry hacks"
] | [
"fountain",
"glassblowing",
"NaK",
"sodium-potassium alloy"
] | A fountain is a great way of adding a little flair to an otherwise boring pond. All you need is a pump, a filter and some pipes, along with a nozzle to scatter the pressurized water in some aesthetically pleasing way. Fountains are generally quite safe: if any of the parts malfunction, the worst thing that can happen i... | 26 | 9 | [
{
"comment_id": "6508799",
"author": "chango",
"timestamp": "2022-09-02T02:47:13",
"content": "This seems identical to this demonstrator:https://youtu.be/9EGAXOWpGy8",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6508828",
"author": "MinorHavoc",
... | 1,760,372,576.976134 | ||
https://hackaday.com/2022/09/03/plotter-churns-out-labels-with-roll-of-tape/ | Plotter Churns Out Labels With Roll Of Tape | Danie Conradie | [
"Tool Hacks"
] | [
"grbl",
"label printer",
"pen plotter"
] | Like it or not, organizing your workspace from time to time is a necessary chore. Labels can go a long way towards taming the most unruly of benches, but writing them out by hand isn’t exactly ideal. Looking for something a bit neater, [sandy] built a simple
pen plotter to write labels on a roll of tape
.
The plotter u... | 24 | 7 | [
{
"comment_id": "6509158",
"author": "Daid",
"timestamp": "2022-09-03T11:14:32",
"content": "Sounds familiar…https://hackaday.com/2022/07/10/masking-tape-pen-plotter-gets-an-upgrade/(Still a fun build that I should replicate, but it was featured two months ago)",
"parent_id": null,
"depth": ... | 1,760,372,577.600866 | ||
https://hackaday.com/2022/09/03/oops-all-analog-sticks/ | Oops! All Analog Sticks | Arya Voronova | [
"Xbox Hacks"
] | [
"analog stick",
"xbox controller",
"xbox controller hack"
] | Knowing his friend is a first-person shooter enthusiast, [Solderking] came up with a
unique modified XBox controller
as a gift. Tongue in cheek, you could argue that this controller is fully analog, as all of the buttons have been removed and replaced with analog sticks — each stick emulating four different buttons wit... | 1 | 1 | [
{
"comment_id": "6509176",
"author": "anon",
"timestamp": "2022-09-03T13:46:42",
"content": "Perfectly awful (love it). Shame he did not keep them entirely analog and the ability to press multiple buttons at once but great details",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,577.072159 | ||
https://hackaday.com/2022/09/02/3d-printing-a-prosthetic-compatible-golf-club/ | 3D Printing A Prosthetic-Compatible Golf Club | Danie Conradie | [
"Medical Hacks",
"Wearable Hacks"
] | [
"3d printed prosthetic",
"accessibility",
"amputee",
"golf"
] | Relearning an old sport, or starting a new one, can be challenging for amputees. Besides the obvious physical aspects, custom prosthetics or adaptors might need to be made and fitted, which can be very expensive. With the power of 3D printing and some machining, [Ian Davis] was able to build a
custom prosthetic golf cl... | 0 | 0 | [] | 1,760,372,577.110429 | ||
https://hackaday.com/2022/09/02/fixing-a-hot-shop-with-science/ | Fixing A Hot Shop, With Science | Dan Maloney | [
"Misc Hacks"
] | [
"conduction",
"convection",
"foam",
"heat",
"heat barrier",
"mylar",
"polystyrene",
"radiation",
"reflective"
] | We know that pretty much everybody in the Northern hemisphere has had a hellish summer, and there’s little room for sympathy when someone busts out with, “Oh yeah? You think THAT’s hot? Well, lemme tell you…” But you’ve got to pity someone who lives in north Texas and has a steel Quonset hut for a shop. That’s got to b... | 42 | 17 | [
{
"comment_id": "6509112",
"author": "LUFO",
"timestamp": "2022-09-03T02:58:18",
"content": "Wouldn’t a shade OUTSIDE help more than a heat shield inside?The inside will still remain hot regardless of the shield.Wouldn’t it?",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,372,577.204732 | ||
https://hackaday.com/2022/09/02/cutting-the-grass-with-frickin-lasers/ | Cutting The Grass With Frickin’ Lasers | Dave Rowntree | [
"Laser Hacks",
"Tool Hacks"
] | [
"diode laser",
"lawnmower",
"rover"
] | We techie types are quite often much more comfortable in front of a keyboard knocking out code, than out in the yard splitting logs for winter, and even the little jobs like cutting the grass are sometimes just too much like hard manual labour for our liking. The obvious solution is a robot mower, but they’re kinda bor... | 29 | 15 | [
{
"comment_id": "6509083",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-09-02T23:31:17",
"content": "“You’ll shoot your eye out kid!’",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6509084",
"author": "Yet Another Robert Smith",
... | 1,760,372,577.275162 | ||
https://hackaday.com/2022/09/02/magnetic-gearbox-can-go-fast-but-not-hard/ | Magnetic Gearbox Can Go Fast But Not Hard | Danie Conradie | [
"Parts"
] | [
"3D printed gears",
"magnetic gears",
"planetary gears"
] | 3D printed gearboxes are great for experimental designs, but due to roughness and inaccuracies in the printed surfaces, they can wear quickly and be rather noisy. As a possible alternative, [Resetman] is experimenting with
magnetic 3D printed gearboxes
that work without physical contact between the rotating wheels, and... | 13 | 8 | [
{
"comment_id": "6509059",
"author": "tonyvr",
"timestamp": "2022-09-02T21:12:02",
"content": "Magnetic coupling’s “killer app’ is manipulation of mechanisms inside a high vacuum vessel.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6509068",
"autho... | 1,760,372,577.322471 | ||
https://hackaday.com/2022/09/02/hackaday-prize-2022-a-cooler-for-your-footwear/ | Hackaday Prize 2022: A Cooler For Your Footwear | Lewin Day | [
"The Hackaday Prize",
"Wearable Hacks"
] | [
"2022 Hackaday Prize",
"footwear",
"shoes",
"water cooling"
] | Sweaty feet can be uncomfortable, and the smell generated in one’s shoes isn’t much to admire, either. In an effort to help solve this issue,
[Revoxdyna] has created a cooler for one’s feet that should help out in hot conditions.
Modern shoes, particularly sneakers, are often ventilated, but it’s not always enough. Thi... | 15 | 10 | [
{
"comment_id": "6509026",
"author": "TG",
"timestamp": "2022-09-02T18:45:31",
"content": "I’m working on something like this for full-body. Call it the Texas stillsuit. Uses a salvaged scooter battery and a little mini-fridge compressor in a backpack, a heat exchanger and some tubing under the clot... | 1,760,372,577.489919 | ||
https://hackaday.com/2022/09/01/rolling-sphere-robotic-arm-seems-serpentine/ | Rolling Sphere Robotic Arm Seems Serpentine | Danie Conradie | [
"Parts",
"Robots Hacks"
] | [
"Dynamixel",
"robotic arm",
"tentacle"
] | Hinge joints are usually the simplest to use for robotic applications, but if you want motion that looks more organic, rolling joint (or rolling contact) mechanisms are worth a look. [Skyentific] is experimenting with this mechanism and
built a 6-degree-of-freedom robotic arm
with it.
The mechanism doesn’t necessarily ... | 9 | 7 | [
{
"comment_id": "6508540",
"author": "come2",
"timestamp": "2022-09-01T09:18:03",
"content": "This robot arm is really cool, and as a yt comment said, “aesthetic”, but I do think using 9 servos for 6 DoF isn’t the best idea. Wouldn’t lack of precision in the servo command make them sometimes work ag... | 1,760,372,577.442277 | ||
https://hackaday.com/2022/08/31/converting-an-old-atv-to-electric-drive/ | Converting An Old ATV To Electric Drive | Lewin Day | [
"Transportation Hacks"
] | [
"atv",
"ev",
"quad bike"
] | [RCLifeOn] happened upon an old petrol-powered ATV that had seen better days. He decided it was the perfect candidate for
a conversion to electric drive
.
First up, the chassis was stripped back and cleaned, before being given a fresh coat of paint. It then got fresh valve stems for the tires and was ready for its driv... | 13 | 5 | [
{
"comment_id": "6508508",
"author": "sdfdsfsdfs",
"timestamp": "2022-09-01T06:30:03",
"content": "It is a bit baffling that this guy isn’t using incredibly popular, significantly cheaper mid-drive e-bike motors which already have reduction gearboxes in them and are designed for roughly the speed an... | 1,760,372,577.833346 | ||
https://hackaday.com/2022/08/31/solar-cells-as-art-form/ | Solar Cells As Art Form | Bryan Cockfield | [
"Art"
] | [
"art",
"mobile",
"oscillator",
"solar cell",
"sound",
"speaker"
] | When most of us approach a project, we have a certain problem to solve. 3D printing, microcontrollers, batteries, and all kinds of technologies are usually tools to accomplish some task. This is not necessarily true in the art world, though, where the intrinsic nature of these tools can be explored for their own sake r... | 10 | 6 | [
{
"comment_id": "6508452",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-09-01T02:07:02",
"content": "” As the arms pivot, the light falling on the cells changes which drives a specially-designed circuit connected to a speaker. The circuit acts as an oscillator, passing the cha... | 1,760,372,577.653277 | ||
https://hackaday.com/2022/08/31/the-cheat-way-to-perfectly-split-an-oreo/ | The Cheat Way To Perfectly Split An Oreo | Lewin Day | [
"cooking hacks"
] | [
"food",
"knife",
"oreo",
"oreos"
] | Believe it or not, much research has been done in
how to perfectly split Oreos
with an even amount of cream on both sides. Early studies suggested it simply wasn’t possible, with one side always getting the majority of the cream. However,
[Ian Charnas] has now found a sneaky workaround.
First attempts involved heating... | 28 | 13 | [
{
"comment_id": "6508404",
"author": "Eric Weatherby",
"timestamp": "2022-08-31T23:20:20",
"content": "And when he displayed it at a science fair,A man from a large academy was there.He took just one taste and widened his eyes,And said, “Son, we’re giving you the Nobel Prize!”It’s the incredible Ore... | 1,760,372,577.721866 | ||
https://hackaday.com/2022/08/31/mh-z19-like-ndir-co2-sensor-hc8-found-and-explored/ | MH-Z19-like NDIR CO2 Sensor HC8 Found And Explored | Maya Posch | [
"hardware",
"Teardown"
] | [
"CO2 sensor",
"HC8",
"mh-z19"
] | While on the search for an alternative to directly buying the fairly expensive MH-Z19 CO2 sensor,
[spezifisch] came across a ‘BreeRainz’ branded gadget
(also found under other brands) that claimed to use an
NDIR
(Non-Dispersive Infrared) sensor for measuring CO2 levels, while costing only €25. This type of sensor allow... | 7 | 4 | [
{
"comment_id": "6508380",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-31T21:34:48",
"content": "I still have some trouble finding hidden screws, but over the decades I’ve learned a few of the tricks that are implemented. But, I’m still surprised to read that someone does... | 1,760,372,577.773965 | ||
https://hackaday.com/2022/08/31/hackaday-prize-2022-a-sun-chasing-robot/ | Hackaday Prize 2022: A Sun-Chasing Robot | Lewin Day | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"robot",
"solar power",
"solar robot"
] | There’s plenty of power to be had from the sun, but you need to be out of the shade to receive it. [Dennis] built a robot by the name of Sun Chaser
that has the smarts to go where the sun is shining.
Sun Chaser is essentially a robotic solar panel, tasked with filling up its batteries as much as possible. It can then b... | 5 | 5 | [
{
"comment_id": "6508312",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-31T18:36:20",
"content": "And at sunset, they all dash into the ocean like lemmings.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6508379",
"author": "a_do_... | 1,760,372,577.879042 | ||
https://hackaday.com/2022/08/31/backup-camera-digital-dash-road-assist-in-1969/ | Backup Camera, Digital Dash, Road Assist… In 1969? | Al Williams | [
"car hacks",
"Hackaday Columns",
"Rants",
"Slider"
] | [
"concept car",
"holden hurricane",
"Rant"
] | If your friend told you their car had a backup camera, a digital dashboard, climate control, could scan for radio stations, and even helped stay on the road, you wouldn’t think much about it. Unless the year was 1969. The car — the Hurricane by Australian automaker Holden — was never a production vehicle. But it was wa... | 65 | 16 | [
{
"comment_id": "6508266",
"author": "Rick",
"timestamp": "2022-08-31T17:30:02",
"content": "Imagine getting in and out when it‘s raining ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6508271",
"author": "electronoob",
"timestamp": "2022-... | 1,760,372,578.08605 | ||
https://hackaday.com/2022/09/01/small-engine-failure-leads-to-impromptu-teardown/ | Small Engine Failure Leads To Impromptu Teardown | Tom Nardi | [
"Repair Hacks",
"Teardown",
"Transportation Hacks"
] | [
"connecting rod",
"engine",
"harbor freight",
"predator",
"small engine"
] | When the 6.5 HP (212 cc) Harbor Freight Predator engine in his kid’s go-kart gave up the ghost after some particularly hard driving, [HowToLou] figured it would be a good time to
poke around inside the low-cost powerplant
for our viewing pleasure. As a bonus, he even
got it up and running again
.
The shattered rod, and... | 20 | 8 | [
{
"comment_id": "6508768",
"author": "Josiah Gould",
"timestamp": "2022-09-01T23:29:08",
"content": "Perfect! As someone who sells these engines on a daily basis a detailed teardown is great information. I really appreciate this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,578.149264 | ||
https://hackaday.com/2022/09/01/powering-a-cellphone-with-gasoline/ | Powering A Cellphone With Gasoline | Lewin Day | [
"Phone Hacks"
] | [
"catalyst",
"fossil fuels",
"fuel",
"liquid fuel",
"phone",
"smartphone",
"thermoelectric generator"
] | Batteries are a really useful way to store energy, but their energy density in regards to both weight and volume is disappointing. In these regards, they really can’t compete with fossil fuels. Thus, [bryan.lowder] decided to see if he could
charge a phone with fossil fuels as safely and inoffensively as possible.
Obvi... | 24 | 12 | [
{
"comment_id": "6508695",
"author": "Twisty Plastic",
"timestamp": "2022-09-01T20:07:24",
"content": "I’m curious just what is in the exhaust.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6508707",
"author": "random noise from the abyss....",
... | 1,760,372,578.209946 | ||
https://hackaday.com/2022/09/01/hackaday-prize-2022-a-spring-driven-digital-movie-camera/ | Hackaday Prize 2022: A Spring-Driven Digital Movie Camera | Lewin Day | [
"digital cameras hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"8mm",
"8mm film",
"camera",
"raspberry pi",
"video"
] | These days, most of us are carrying capable smartphones with high-quality cameras. It makes shooting video so easy as to take all the fun out of it. [AIRPOCKET] decided to bring that back,
by converting an old spring-driven 8mm film camera to shoot digital video.
The camera in question is a magazine-fed Bell & Howell M... | 14 | 6 | [
{
"comment_id": "6508667",
"author": "Jan",
"timestamp": "2022-09-01T18:37:59",
"content": "Fun project, nicely done!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6508677",
"author": "Dude",
"timestamp": "2022-09-01T19:21:31",
"content": "Next st... | 1,760,372,578.265006 | ||
https://hackaday.com/2022/09/01/cogeneration-and-district-heating-for-comfortable-homes-and-happy-factories/ | Cogeneration And District Heating For Comfortable Homes And Happy Factories | Maya Posch | [
"Hackaday Columns",
"Science",
"Slider"
] | [
"district heating"
] | Most of modern society’s energy usage is
spent on heating
in some form, whether it is to heat water, raise the temperature in a room, or for use in industrial processes. This makes it an excellent target for improvements in efficiency and resilience, as well as in the effort to decarbonize the world’s energy production... | 28 | 12 | [
{
"comment_id": "6508642",
"author": "X",
"timestamp": "2022-09-01T17:18:02",
"content": "https://powering.mit.edu/project-faqs/cogeneration",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6508648",
"author": "Gravis",
"timestamp": "2022-09-01T17:39:37"... | 1,760,372,579.174481 | ||
https://hackaday.com/2022/09/01/its-a-plane-its-a-train-um-its-both/ | It’s A Plane… It’s A Train… Um… It’s Both? | Al Williams | [
"News",
"Transportation Hacks"
] | [
"hyperloop"
] | What kind of electric vehicle travels at 620 miles per hour (998 km/h)? According to Canadian and French company TransPot, their FluxJet will do it and they want to use it to virtually shrink the Great White North. An electric jet? Not exactly. The FluxJet is a magnetic levitation (maglev) train riding in a vacuum tube... | 101 | 28 | [
{
"comment_id": "6508613",
"author": "nekoplanetd",
"timestamp": "2022-09-01T15:38:10",
"content": "What a waste of money and time.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6508628",
"author": "Mike",
"timestamp": "2022-09-01T16:32:56",... | 1,760,372,578.533945 | ||
https://hackaday.com/2022/09/01/iron-nitrides-powerful-magnets-without-the-rare-earth-elements/ | Iron Nitrides: Powerful Magnets Without The Rare Earth Elements | Dan Maloney | [
"Engineering",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"coercivity",
"crystallography",
"hysteresis",
"iron",
"neodymium",
"nitrogen",
"permanence",
"physics",
"rare-earth",
"saturation"
] | Since their relatively recent appearance on the commercial scene, rare-earth magnets have made quite a splash in the public imagination. The amount of magnetic energy packed into these tiny, shiny objects has led to technological leaps that weren’t possible before they came along, like the vibration motors in cell phon... | 41 | 16 | [
{
"comment_id": "6508603",
"author": "Andy Ince",
"timestamp": "2022-09-01T14:51:00",
"content": "A really interesting article. I studied crystallography as part of a Geology degree and it is very challenging to visualise some of the more complex silicate structures found on rock minerals. Good to s... | 1,760,372,578.397507 | ||
https://hackaday.com/2022/09/01/custom-calculator-brings-us-back-to-the-70s/ | Custom Calculator Brings Us Back To The 70s | Bryan Cockfield | [
"Microcontrollers"
] | [
"70s",
"arduino",
"calculator",
"cherry mx",
"display",
"keys",
"mechanical",
"microcontroller",
"switch"
] | There are certain design aesthetics from every era that manage to survive the fads of their time and live throughout history. Ancient Greek architecture is still drawn upon for design inspiration in modern buildings, the mid-century modern style from the 60s still inspires various designs of consumer goods, and the rou... | 7 | 5 | [
{
"comment_id": "6508587",
"author": "Jack",
"timestamp": "2022-09-01T13:29:29",
"content": "Nice keyboard/calc.Those individual switch breakout boards make great sense for ergonomic keyboards where the keys are on a 3d curve. They’d also be great for optical switches; I can imagine a ws2812 type c... | 1,760,372,578.306231 | ||
https://hackaday.com/2022/08/30/an-amstrad-portable-you-wont-have-seen/ | An Amstrad Portable You Won’t Have Seen | Jenny List | [
"Cyberdecks",
"Retrocomputing"
] | [
"Amstrad",
"amstrad cpc",
"CPC464"
] | Of all the players in the home computer world in the 1980s, Alan Sugar’s Amstrad was a step ahead in ease of use over its competitors. The Amstrad CPC series of computers came with their own monitors that also had a built-in power supply, and featured built-in data recorders or disk drives as standard. Despite having a... | 6 | 6 | [
{
"comment_id": "6507960",
"author": "mathman",
"timestamp": "2022-08-30T20:26:17",
"content": "Okay, THAT is cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6507970",
"author": "Chaosbc",
"timestamp": "2022-08-30T21:15:54",
"content": "Awesom... | 1,760,372,578.622988 | ||
https://hackaday.com/2022/08/30/monitoring-a-cats-litter-box-usage-with-ai/ | Monitoring A Cat’s Litter Box Usage With AI | Lewin Day | [
"Artificial Intelligence",
"home hacks"
] | [
"cat",
"cat litter",
"litter box",
"litterbox",
"pet",
"pets"
] | [Estefannie] is a proud cat owner, but one of her cats has a bad habit of eating plastic. That means she needs to keep an eye on that cat’s bowel movements, but with two cats in the house, it’s difficult to know who did what. Thus, she whipped up an AI system
to log her cats bathroom visits and give her peace of mind.
... | 7 | 5 | [
{
"comment_id": "6507962",
"author": "Arthur G. Mezins",
"timestamp": "2022-08-30T20:35:41",
"content": "I had a major plastic (sheet) eating cat that ended up getting megacolon and shortly after that diagnosis, he died, as he wasn’t having a good time of it. I tried hard to make his favorite snack ... | 1,760,372,578.578912 | ||
https://hackaday.com/2022/08/30/militaries-are-rushing-to-get-anti-drone-lasers-operational/ | Militaries Are Rushing To Get Anti-Drone Lasers Operational | Lewin Day | [
"Current Events",
"Featured",
"Original Art",
"Slider"
] | [
"anti-air",
"drone",
"laser",
"laser weapon"
] | Flying drones have been a part of modern warfare for a good few decades now. Initially, most of these drones were built by traditional military contractors and were primarily used by the world’s best-funded militaries. However, in recent conflicts in Syria, Ukraine, and elsewhere have changed all that. Small commercial... | 121 | 33 | [
{
"comment_id": "6507910",
"author": "Twisty Plastic",
"timestamp": "2022-08-30T17:15:42",
"content": "It’s just a cat and mouse game. As this is perfected we will see drones with shiny, or sacrificial surfaces.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,372,578.939029 | ||
https://hackaday.com/2022/08/30/custom-printed-knobs-in-just-a-few-lines-of-code/ | Custom Printed Knobs In Just A Few Lines Of Code | Tom Nardi | [
"3d Printer hacks",
"Parts"
] | [
"3D printed parts",
"knob",
"openscad",
"parametric design"
] | While not everyone is necessarily onboard for the CAD-via-code principle behind OpenSCAD, there’s no denying the software lends itself particularly well to parametric designs. Using a few choice variables, it’s possible to make a model in OpenSCAD that can be easily tweaked by other users — even if they have zero prior... | 27 | 9 | [
{
"comment_id": "6507884",
"author": "Severe Tire Damage",
"timestamp": "2022-08-30T15:58:35",
"content": "OpenSCAD rules! There is nothing better.Thanks for posting this — it is yet one more thing I can study and learn from.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,578.756237 | ||
https://hackaday.com/2022/08/30/maiden-kansas-city-keyboard-meetup-was-a-clacking-good-time/ | Maiden Kansas City Keyboard Meetup Was A Clacking Good Time | Kristina Panos | [
"cons",
"Hackaday Columns",
"News",
"Peripherals Hacks",
"Slider"
] | [
"Kansas City",
"keyboard",
"keyboard meetup",
"mechanical keyboard",
"mechanical keyboard meetup",
"meetup"
] | Wow! I can’t believe it already came and went — but the first annual (semi-annual?) Kansas City Keyboard Meetup was, in my opinion, a rousing success. And I think organizer and Discord-nominated god among men [Ricardo] agrees with me. (He does; I checked before we left the venue.)
First of all, the attendance was off t... | 10 | 6 | [
{
"comment_id": "6507890",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-30T16:19:53",
"content": "Thank you [Kristina] for the report!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6508005",
"author": "Jonathan Wilson",
"time... | 1,760,372,579.288816 | ||
https://hackaday.com/2022/08/30/c64-turned-theremin-with-a-handful-of-parts/ | C64 Turned Theremin With A Handful Of Parts | Lewin Day | [
"Musical Hacks",
"Retrocomputing"
] | [
"c64",
"commodore 64",
"theremin"
] | The theremin is popular for its eerie sound output and its non-contact playing style. While they’re typically built using analog hardware, [Linus Åkesson] decided to make one
using the venerable Commodore 64.
The instrument works by measuring the capacitance between its two antennas and the Earth. As these capacitances... | 7 | 5 | [
{
"comment_id": "6507812",
"author": "Justin",
"timestamp": "2022-08-30T12:03:39",
"content": "Great idea. Now let’s make a Theremin controlled doorbell out of this.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6507816",
"author": "Dan",
"timestamp":... | 1,760,372,579.211797 | ||
https://hackaday.com/2022/08/30/a-beautiful-diy-guided-saw/ | A Beautiful DIY Guided Saw | Dave Rowntree | [
"Tool Hacks"
] | [
"custom tool",
"saw",
"woodworking"
] | [JSK-koubou] has quite the talent for creative woodwork, particularly building interesting tools or improving existing ones. This recent project (multiple build videos below:
part 1
,
part 2
, and
part 3
) is a very flexible type of guided pull saw, whereby a fine-toothed saw blade is fixed in the bed, and the workpiec... | 19 | 4 | [
{
"comment_id": "6507776",
"author": "Hugo",
"timestamp": "2022-08-30T08:51:00",
"content": "It’s a beautiful build, but let’s be clear, this isn’t a creative design, it’s a faithful clone of a commercially available tool, the Bridge City Jointmaker Pro (JMP).",
"parent_id": null,
"depth": 1... | 1,760,372,579.105662 | ||
https://hackaday.com/2022/08/31/water-level-sensor-does-not-use-water-level-sensor/ | Water Level Sensor Does Not Use Water Level Sensor | Bryan Cockfield | [
"Microcontrollers"
] | [
"accelerometer",
"float",
"geolocation",
"LoRa",
"LoRaWAN",
"pivot",
"sensors",
"stm32",
"water level"
] | When interfacing with the real world, there are all kinds of sensors available which will readily communicate with your microcontroller of choice. Moisture, pH, humidity, temperature, location, light, and essentially every other physical phenomenon are readily measured with a matching sensor. But if you don’t have the ... | 26 | 8 | [
{
"comment_id": "6508213",
"author": "Marcus",
"timestamp": "2022-08-31T15:57:41",
"content": "Sorry to nitpick, but it’s wrong to write that it senses position: it senses *orientation*, and that makes a lot more sense: The project uses an *accelerometer*.It’s not the change in position (you can of ... | 1,760,372,579.347714 | ||
https://hackaday.com/2022/08/31/we-cant-switch-to-electric-cars-until-we-get-more-copper/ | We Can’t Switch To Electric Cars Until We Get More Copper | Lewin Day | [
"Current Events",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"electric vehicles",
"ev",
"evs",
"mining",
"renewable",
"renewable energy",
"renewables"
] | Reducing emissions from human activity requires a great deal of effort in many different sectors. When it comes to land transport, the idea is generally to eliminate vehicles powered by combustion engines and replace them with electric vehicles instead. At a glance, the job is simple enough. We know how to build EVs, a... | 205 | 29 | [
{
"comment_id": "6508161",
"author": "Saabman",
"timestamp": "2022-08-31T14:04:51",
"content": "Is it really “reducing emissions” switching from ICE engines to EVs or is it more a matter of “Changing emissions” ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,372,579.987156 | ||
https://hackaday.com/2022/08/31/building-a-glowing-demon-core-lamp/ | Building A Glowing Demon Core Lamp | Lewin Day | [
"History",
"LED Hacks"
] | [
"demon core",
"experiment",
"lamp",
"Los Alamos National Laboratory",
"nuclear"
] | The so-called
Demon Core
was a cursed object, a 6.2 kilogram mass of plutonium intended to be installed in a nuclear weapon. Instead, slapdash experimental techniques saw it feature in several tragic nuclear accidents and cause multiple fatalities. Now, you can
build yourself a lamp themed after this evil dense sphere.... | 15 | 9 | [
{
"comment_id": "6508117",
"author": "bob",
"timestamp": "2022-08-31T11:14:39",
"content": "The demon core gets a lot of coverage on youtube, but what gets forgotten are the incidents where multiple workers at los alamos were injected with plutonium solutions as guinea pigs. My pet theory is the dem... | 1,760,372,579.400645 | ||
https://hackaday.com/2022/08/31/electromagnetic-field-drops-2022-talk-videos/ | Electromagnetic Field Drops 2022 Talk Videos | Jenny List | [
"cons"
] | [
"electromagnetic field",
"talks",
"videos"
] | Earlier this year we made the journey to a field in the West of England for the Electromagnetic Field hacker camp. It was the usual few days of fun in the open air, but due to a few technical difficulties we were unable to point you to any of the talks. We’re happy to note that now the dust has settled they are uploadi... | 4 | 2 | [
{
"comment_id": "6508291",
"author": "just passing",
"timestamp": "2022-08-31T18:01:33",
"content": "As someone who still reads “drops” as synonymous with “abandons”, I was a little confused for a moment…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "650829... | 1,760,372,581.565321 | ||
https://hackaday.com/2022/08/30/simple-hacks-to-make-lego-train-track-out-of-other-pieces/ | Simple Hacks To Make LEGO Train Track Out Of Other Pieces | Lewin Day | [
"Toy Hacks"
] | [
"lego",
"lego train",
"train",
"train set"
] | LEGO trains are fun to play with, but as with any model train, you so seldom have enough track to fulfill your greatest desires. YouTuber [brick_on_the_tracks] has come up with
some creative ideas of his own
to make track compatible with Lego trains using other techniques.
TRAINED LEGO PROFESSIONALS! DO NOT ATTEMPT IN ... | 27 | 7 | [
{
"comment_id": "6508043",
"author": "you wouldn't download a railway",
"timestamp": "2022-08-31T05:11:55",
"content": "Given the rails are pure plastic it’s also possible to 3D print them if desired. It’s something I’ve wanted to do for a while – actually a large part of why I even have a 3D printe... | 1,760,372,582.183293 | ||
https://hackaday.com/2022/08/30/making-a-pipe-crimper-from-scrap/ | Making A Pipe Crimper From Scrap | Dave Rowntree | [
"Tool Hacks"
] | [
"chain sprocket",
"crimper",
"upcycling"
] | We love upcycling around these parts — taking what would be a pile of rusty scrap and turning it into something useful — and this
project from YouTuber [Hands on Table] is no different
. Starting with a pair of solid looking sprockets, one big, one small, and some matching chain, a few lumps of roughly hewn steel plate... | 19 | 7 | [
{
"comment_id": "6508022",
"author": "Danjovic",
"timestamp": "2022-08-31T02:15:25",
"content": "Awesome. Thanks for sharing the video.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6508028",
"author": "mh1992",
"timestamp": "2022-08-31T03:25:21",
... | 1,760,372,582.061905 | ||
https://hackaday.com/2022/08/30/lora-air-quality-monitor-raises-the-bar-on-diy-iot/ | LoRa Air Quality Monitor Raises The Bar On DIY IoT | Tom Nardi | [
"Microcontrollers"
] | [
"environmental monitor",
"gas sensor",
"The Things Network",
"VOC detection"
] | We’ve seen an incredible number of homebrew environmental monitors here at Hackaday, and on the whole, they tend to follow a pretty predicable pattern. An ESP8266 gets paired with a common temperature and humidity sensor, perhaps a custom PCB gets invited to the party, and the end result are some values getting pushed ... | 15 | 7 | [
{
"comment_id": "6508008",
"author": "AQI enthusiast",
"timestamp": "2022-08-31T00:32:16",
"content": "great AQI monitor project.Particulate Matter is very useful for human safety air quality monitoring.thanks for posting",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,581.618942 | ||
https://hackaday.com/2022/08/29/a-primer-for-the-homebrew-game-boy-advance-scene/ | A Primer For The Homebrew Game Boy Advance Scene | Bryan Cockfield | [
"Games"
] | [
"coding",
"developer",
"game boy advance",
"games",
"gba",
"homebrew",
"programming",
"tutorial"
] | As video game systems pass into antiquity, some of them turn out to make excellent platforms for homebrew gaming. Not only does modern technology make it easier to interact with systems that are now comparatively underpowered and simpler, but the documentation available for older systems is often readily available as w... | 10 | 5 | [
{
"comment_id": "6507749",
"author": "elwing",
"timestamp": "2022-08-30T05:56:11",
"content": "I’ll just leave that here:https://felixjones.github.io/gba-tutorial/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6507935",
"author": "Greg Chabala",
... | 1,760,372,582.111311 | ||
https://hackaday.com/2022/08/29/genshin-security-impact/ | Genshin Security Impact | Jonathan Bennett | [
"Security Hacks"
] | [
"Genshin Impact",
"kernel driver",
"ransomware"
] | An MMORPG with cute anime-style characters and maybe a bit too much inspiration taken from another classic Nintento franchise, Genshin Impact is a relatively popular game across the PlayStation, iOS, Android, and PC platforms. That last one has already generated a bit of controversy, since the PC version game includes ... | 29 | 9 | [
{
"comment_id": "6507727",
"author": "bit",
"timestamp": "2022-08-30T03:21:35",
"content": "How we reached the point that consumers thought that anti-cheat in the form of a root-kit is acceptable, I’ll never know.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,372,581.684303 | ||
https://hackaday.com/2022/08/29/800-mountain-bike-seat-post-chopped-in-two/ | $800 Mountain Bike Seat Post Chopped In Two | Bryan Cockfield | [
"Transportation Hacks"
] | [
"battery",
"bike",
"cable",
"dropper",
"electronic",
"reroute",
"seat post"
] | For those unfamiliar with the sport of mountain biking, it’s a wild hobby that is rife with hacking. It started in the early 70s when the first dedicated mountain bikers were hacking road bikes together to ride on trails to varying levels of success, but only in the last decade or so have there been a lot of electronic... | 16 | 8 | [
{
"comment_id": "6507690",
"author": "Nick",
"timestamp": "2022-08-29T23:38:05",
"content": ">$800>ooh! it’s WIRELESS!CONSOOM",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6507691",
"author": "The Commenter Formerly Known As Ren",
"timestamp... | 1,760,372,582.233988 | ||
https://hackaday.com/2022/08/29/magic-eye-tubes-go-solid-state-with-this-plug-in-replacement/ | Magic Eye Tubes Go Solid State With This Plug-In Replacement | Dan Maloney | [
"Misc Hacks"
] | [
"6E5",
"6U5",
"cathode ray",
"indicator",
"magic eye",
"solid state"
] | Perhaps nothing added quite so much to the charm of vacuum tube circuits from back in the heyday of the vacuum tube as did the “Magic Eye” indicating tube. With the ghostly green glow of its circular face, magic eyes stood in for more expensive moving-coil meters for things like tuning indicators and VU meters. And whi... | 35 | 16 | [
{
"comment_id": "6507642",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-29T20:07:48",
"content": "Excellent!Now to build replacement LED displays for early HP calculators…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6507659",
... | 1,760,372,581.751335 | ||
https://hackaday.com/2022/08/29/2022-cyberdeck-contest-steampunk-cyberdeck-is-made-from-wood-leather-brass-and-e-paper/ | 2022 Cyberdeck Contest: Steampunk Cyberdeck Is Made From Wood, Leather, Brass And E-Paper | Robin Kearey | [
"contests",
"Cyberdecks"
] | [
"2022 Cyberdeck Contest",
"cyberdeck",
"e-ink display",
"steampunk"
] | Laptop screens have come a long way ever since the first LCD-equipped portables hit the market back in the 1980s. But even today’s high-resolution, full-color screens are not ideal for use in direct sunlight: limited contrast and annoying reflections can make reading awkward and working nearly impossible. Electronic-pa... | 9 | 3 | [
{
"comment_id": "6507603",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-29T18:35:35",
"content": "Nice, and while I understand his keyboard requirement, I think it should have a lid/cover to protect the screen when in transit.",
"parent_id": null,
"depth": 1,
"r... | 1,760,372,581.909206 | ||
https://hackaday.com/2022/08/29/review-lidl-parkside-micrometer/ | Review: Lidl Parkside Micrometer | Jenny List | [
"Hackaday Columns",
"Reviews",
"Slider",
"Tool Hacks"
] | [
"lidl",
"metrology",
"micrometer"
] | A couple of years ago
we published a look at precision measurement tools
, in particular vernier calipers and micrometer screw gauges. It featured a look at how they work and how they’re used, and a comparison of good and bad quality instruments. When comparing micrometers we had three of them, a Mitutoyo and a Moore &... | 50 | 24 | [
{
"comment_id": "6507575",
"author": "Your comment is awaiting moderation",
"timestamp": "2022-08-29T17:22:50",
"content": "Ah ….. it’s hard to beat the middle of lidl. I go into this super market with a set budget and often find myself battling between buying a completely non essential charcoal fir... | 1,760,372,582.005531 | ||
https://hackaday.com/2022/08/29/a-detonation-engine-prototyped-using-resin-printing/ | A Detonation Engine Prototyped Using Resin Printing | Dave Rowntree | [
"Engine Hacks"
] | [
"3d printed",
"arduino",
"jet engine",
"pulsejet",
"resin printing",
"Shchelkin sprial"
] | Over the years [Integza] has blown up or melted many types of jet engine, including the humble pulsejet. Earlier improvements revolved around pumping in more fuel, or forced air intakes, but now it’s time for a bit more refinement of the idea, and he takes a sidestep towards the more controllable detonation engine. His... | 5 | 5 | [
{
"comment_id": "6507547",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-29T16:06:06",
"content": "The Attack; Killing Tomatoes!B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6507757",
"author": "Mystick",
"timestamp": "202... | 1,760,372,582.278516 | ||
https://hackaday.com/2022/08/28/automate-your-desk-with-the-upsy-desky/ | Automate Your Desk With The Upsy Desky | Bryan Cockfield | [
"home hacks"
] | [
"automation",
"controller",
"desk",
"ESP32",
"home",
"motorized",
"standing",
"USB C"
] | It might be surprising for some, but humans actually evolved to be long-distance runners. We aren’t very fast comparatively, but no other animal can run for as long or as far as a human can. Sitting at a desk, on the other hand, is definitely not something that we’re adapted to do, so it’s important to take some measur... | 33 | 10 | [
{
"comment_id": "6507386",
"author": "Roger Roger",
"timestamp": "2022-08-29T02:18:15",
"content": "I went to school to be a draftsman (pencil+table). We had tables at almost elbow height and a stool that maintained our torso elevation regardless of sitting/standing. No need for automation, no cat... | 1,760,372,582.34842 | ||
https://hackaday.com/2022/08/28/sleep-posture-monitor-warns-you-away-from-dangerous-positions/ | Sleep Posture Monitor Warns You Away From Dangerous Positions | Dan Maloney | [
"Microcontrollers",
"Wearable Hacks"
] | [
"accelerometer",
"attiny85",
"IMU",
"life hacks",
"position",
"posture",
"sleep"
] | Age, we’re told, is just a number, but that number seems to be the ever-increasing count of injuries of a ridiculous nature. Where once the younger version of us could jump from a moving car or fall out of a tree with just a few scrapes to show for the effort, add a few dozen trips around the sun and you find that just... | 1 | 1 | [
{
"comment_id": "6693597",
"author": "Daniel",
"timestamp": "2023-10-24T15:54:21",
"content": "Contact of this maker ?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,582.383994 | ||
https://hackaday.com/2022/08/28/led-clock-uses-micro-qr-codes-to-show-the-time/ | LED Clock Uses Micro QR Codes To Show The Time | Robin Kearey | [
"clock hacks",
"LED Hacks"
] | [
"led matrix",
"micro QR",
"QR clock"
] | As you probably know, we love our clocks here at Hackaday. Odd display technologies are always interesting to see, as are unusual encoding techniques such as binary, ternary or higher-radix number systems. Still, clocks are typically meant to be human-readable, even if their encoding might be a little eccentric.
[Kitch... | 15 | 7 | [
{
"comment_id": "6507256",
"author": "Frankel",
"timestamp": "2022-08-28T11:14:57",
"content": "Didn’t pass my scan test in “Binary Eye” and “Barcode Scanner” from F-Droid.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6507309",
"author": "IIVQ",
... | 1,760,372,582.485147 | ||
https://hackaday.com/2022/08/28/high-speed-rc-jet-car-is-a-harsh-teacher/ | High Speed RC Jet Car Is A Harsh Teacher | Danie Conradie | [
"Toy Hacks"
] | [
"jet engine",
"land speed racing",
"projectair",
"R/C car"
] | Making machines go fast has always been a seemingly unavoidable impulse for humans. With the advent of radio control, it’s possible to get a taste of the rush without putting your life and too much money on the line. In the spirit of speed, [James Whomsley]
strapped a jet turbine engine to an RC car
, and learned some ... | 8 | 4 | [
{
"comment_id": "6507275",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-28T13:27:16",
"content": "Is it time to dust off the “Fail of the Week” series?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6507289",
"author": "a_do... | 1,760,372,582.693785 | ||
https://hackaday.com/2022/08/27/giant-keyboard-is-just-our-type/ | Giant Keyboard Is Just Our Type | Kristina Panos | [
"Peripherals Hacks"
] | [
"cardboard",
"guinnessbookofworldrecords",
"keyboard",
"particle board",
"PVC",
"rickroll"
] | We like big keyboards and we cannot lie, and we’ve seen some pretty big keyboards over the years. But this one — this one is probably the biggest working board that anyone has ever seen.
[RKade] and [Kristine] set out to make the world’s largest keyboard
by Guinness standards – and at 16 feet long, you would think they... | 17 | 13 | [
{
"comment_id": "6507209",
"author": "rnjacobs",
"timestamp": "2022-08-28T05:22:51",
"content": "I wonder what was the scale of the keyboard that was at The Computer Museum in Boston, back when it still existed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,372,582.749328 | ||
https://hackaday.com/2022/08/27/a-raspberry-pi-handheld-computer-you-might-want-to-use/ | A Raspberry Pi Handheld Computer You Might Want To Use | Jenny List | [
"handhelds hacks",
"Raspberry Pi"
] | [
"Miryoku layout",
"Pad computer",
"pi handheld",
"portable computer"
] | Amid the many wonderful form factors being explored by the makers of cyberdecks, there’s one that’s emerged which harks back to an earlier generation of portable computers: the handheld pad with a keyboard. These units are typically around the size of a hardback book, with the upper half being a screen and the lower a ... | 49 | 10 | [
{
"comment_id": "6507211",
"author": "Feinfinger (WIMP at work)",
"timestamp": "2022-08-28T06:03:49",
"content": "Would it run all day with one charge if using a Pi-zero as brain?That would make me write a letter to Santa…",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,372,582.835232 | ||
https://hackaday.com/2022/08/27/youtube-like-its-1970s-france-with-this-minitel-vcr-mashup/ | YouTube Like It’s 1970s France With This Minitel-VCR Mashup | Dan Maloney | [
"Raspberry Pi",
"Retrocomputing"
] | [
"level shifter",
"lirc",
"mash-up",
"Minitel",
"raspberry pi",
"serial",
"vcr",
"vlc",
"youtube"
] | When it’s not just sticking fake gears on things and calling it a day, the Steampunk look is pretty cool. Imagining technology in a world stuck with Victorian aesthetics is a neat idea, and one that translates to the look of other time periods —
Fallout
, anyone?
But what if you try to create a technological aesthetic ... | 10 | 3 | [
{
"comment_id": "6507186",
"author": "Hirudinea",
"timestamp": "2022-08-27T23:33:26",
"content": "Nice. Love the name “Formicapunk” but I think for the 70’s “Shagpunk” would be better.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6507200",
"author"... | 1,760,372,582.88499 | ||
https://hackaday.com/2022/08/29/visual-mandela-effect-you-dont-know-iconic-images-as-well-as-you-think/ | Visual Mandela Effect: You Don’t Know Iconic Images As Well As You Think | Kristina Panos | [
"Featured",
"Misc Hacks",
"Original Art",
"Science",
"Slider"
] | [
"cornucopia",
"Fruit of the Loom",
"Mandela effect",
"pikachu",
"visual Mandela effect",
"VME"
] | Pop quiz, hotshot: does the guy on the Monopoly box (standard edition) wear a monocle? Next question: does the Fruit of the Loom logo involve a cornucopia? And finally, does Pikachu have a black-tipped tail? If you answered yes to any of these, I am sad to say that you are wrong, wrong, wrong.
So, what’s the deal? Thes... | 63 | 19 | [
{
"comment_id": "6507509",
"author": "RW ver 0.0.3",
"timestamp": "2022-08-29T14:33:40",
"content": "There’s an easy answer for the C3PO leg… most of the first film he was stumbling around in the sand when we saw his legs so silver leg was reflecting sand, which made it look gold just a bit off shad... | 1,760,372,583.120533 | ||
https://hackaday.com/2022/08/29/six-shooter-swaps-powder-for-popped-capacitors/ | Six Shooter Swaps Powder For Popped Capacitors | Tom Nardi | [
"Parts",
"Weapons Hacks"
] | [
"capacitor",
"electrolytic capacitor",
"pistol",
"revolver"
] | Modern firearms might seem far removed from the revolvers of the Old West, but conceptually, they still operate on the same principle: exploding gunpowder. But as anyone who has put too much voltage through an electrolytic capacitor knows, gunpowder isn’t the only thing that explodes. (Yes, it isn’t technically an expl... | 43 | 16 | [
{
"comment_id": "6507474",
"author": "ono",
"timestamp": "2022-08-29T11:46:25",
"content": "ah, the old fascination of authors here for anything that explodes and shoots things…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6507477",
"author": "Ergo... | 1,760,372,583.264263 | ||
https://hackaday.com/2022/08/29/giant-3d-printer-aims-to-produce-life-sized-boat/ | Giant 3D Printer Aims To Produce Life-Sized Boat | Bryan Cockfield | [
"3d Printer hacks",
"Transportation Hacks"
] | [
"3d printer",
"boat",
"cubic meter",
"frame",
"go-kart",
"large",
"structure"
] | As 3D printers become more ubiquitous, the number of custom designs and styles of printers has skyrocketed. From different printing materials and technologies to the movements of the printing head, we’ve seen all kinds of different takes on these tools. But one thing that has been largely limited to commercial and indu... | 13 | 10 | [
{
"comment_id": "6507457",
"author": "Andrew",
"timestamp": "2022-08-29T09:37:09",
"content": "Gotta get those clicks!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6507464",
"author": "IanS",
"timestamp": "2022-08-29T10:22:37",
"content": "Life-s... | 1,760,372,583.17018 | ||
https://hackaday.com/2022/08/28/a-pi-camera-to-be-proud-of/ | A Pi Camera To Be Proud Of | Jenny List | [
"digital cameras hacks",
"Raspberry Pi"
] | [
"digital camera",
"Mirrorless compact",
"Raspberry pi camera"
] | The Raspberry Pi HQ camera has appeared in a variety of builds since its introduction back in 2020, and has brought with it many opportunities for photographic projects to compete with the professionals.
The latest we’ve been sent is from [Kevin McAleer]
, who has taken the camera with a full-size Pi and clothed it in ... | 16 | 6 | [
{
"comment_id": "6507407",
"author": "sensors",
"timestamp": "2022-08-29T05:34:34",
"content": "This module has been around for about 4 years now. One wonders if there’s been modules with better sensors since.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,372,583.364233 | ||
https://hackaday.com/2022/08/28/share-screen-to-rgb-panel-with-pi-pico-w/ | Share Screen To RGB Panel With Pi Pico W | Danie Conradie | [
"LED Hacks",
"Microcontrollers"
] | [
"bitluni",
"Pi Pico W",
"RGB LED matrix"
] | RGB LEDs are great for adding a bit of color to your life, and it’s even more satisfying to use a matrix of them as a graphic display. [bitluni] built an RGB LED display with Pi Pico to which you can
share a pixelated version of your PC’s screen
.
[bitluni] wanted to gain some experience with
MicroPython
on the
Raspber... | 13 | 2 | [
{
"comment_id": "6507394",
"author": "Drone",
"timestamp": "2022-08-29T04:12:22",
"content": "Where did [bitluni] get a Pico W? AFAIK the Pico W is still zero stock everywhere.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6507396",
"author": "Drone... | 1,760,372,583.314027 | ||
https://hackaday.com/2022/08/28/hackaday-links-august-28-2022/ | Hackaday Links: August 28, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"apple",
"Artemis 1",
"carbon dioxide",
"co2",
"hackaday links",
"Hubble",
"jwst",
"orion",
"privacy",
"right to repair",
"sls",
"snuff film",
"ssd",
"WASP-39b"
] | The countdown for the first step on humanity’s return to the Moon has begun.
The countdown for Artemis 1
started on Saturday morning, and if all goes well, the un-crewed Orion spacecraft atop the giant Space Launch Systems (SLS) booster will liftoff from the storied Pad 39B at Cape Canaveral on Monday, August 29, at 8:... | 9 | 7 | [
{
"comment_id": "6507369",
"author": "Ostracus",
"timestamp": "2022-08-28T23:37:40",
"content": "“But one customer in Germany with a defective SSD had an additional box to check — complete and utter mechanical destruction of the SSD.”Maybe try starting with built-in thermal destruction aka a Samsung... | 1,760,372,583.786526 | ||
https://hackaday.com/2022/08/28/hackaday-prize-2022-compact-solar-tracking-system-doesnt-break-the-bank/ | Hackaday Prize 2022: Compact Solar Tracking System Doesn’t Break The Bank | Danie Conradie | [
"Solar Hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"mppt",
"solar tracker"
] | If you need to squeeze every available watt out of a solar panel, you’ll probably want to look into a solar tracking system. Unfortunately, they are usually quite large, heavy, and expensive. As an alternative, [JP Gleyzes] has put together a
DIY solar tracking system that aims to address these issues
.
Starting with a... | 33 | 9 | [
{
"comment_id": "6507345",
"author": "Technocoma",
"timestamp": "2022-08-28T20:23:42",
"content": "Amazingly well made project !Is it worth spending 55€ for a 100W rated panel (compared to a fixed optimized setup) ?At 20c€ a kWh in France, 55€ represents 275 kWh. So given a benefit of 20% more ener... | 1,760,372,583.485261 | ||
https://hackaday.com/2022/08/27/2022-hackaday-prize-boondock-echo-connects-your-radios-with-the-cloud/ | 2022 Hackaday Prize: Boondock Echo Connects Your Radios With The Cloud | Dave Rowntree | [
"Radio Hacks",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"audio",
"baofeng",
"cloud",
"ESP32",
"radio",
"radio repeater"
] | [
Mark J Hughes
] volunteers as a part of a local community fire watch which coordinates by radio. The La Habra Heights region of Los Angeles is an area of peaks and valleys, which makes direct radio connections challenging. Repeaters work well for range improvement, but in such areas, there is no good place to locate ... | 6 | 4 | [
{
"comment_id": "6507187",
"author": "Miles",
"timestamp": "2022-08-27T23:33:50",
"content": "Be properly licensed, and whatever you do don’t interfere with emergency personnel.If you want to replicate this.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "650... | 1,760,372,583.414121 | ||
https://hackaday.com/2022/08/27/introducing-fissure-a-toolbox-for-the-rf-hacker/ | Introducing FISSURE: A Toolbox For The RF Hacker | Dan Maloney | [
"Radio Hacks"
] | [
"framework",
"I/Q",
"packet",
"python",
"reverse engineering",
"RF",
"sdr"
] | No matter what the job at hand is, if you’re going to tackle it, you’re going to need the right kit of tools. And if your job includes making sense out of any of the signals in the virtual soup of RF energy we all live in, then you’re going to need something like
the FISSURE RF framework
.
Exactly what FISSURE is is pr... | 4 | 3 | [
{
"comment_id": "6507156",
"author": "Marcus",
"timestamp": "2022-08-27T20:42:55",
"content": "I was super amazed when I stumbled on this on twitter, posted a link to it on the #gnuradio chat room, and then people were like “yep, they’re at GRCon, it’s gonna be fun”.By the way, the day they’ll be at... | 1,760,372,583.530325 | ||
https://hackaday.com/2022/08/27/the-quiet-before-the-storm/ | The Quiet Before The Storm? | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Science"
] | [
"newsletter",
"rants",
"science"
] | My wife and I are reading a book about physics in the early 1900s. It’s half history of science and half biography of some of the most famous physicists, and it’s good fun. But it got me thinking about the state of physics 120 years ago.
What we’d now call classical mechanics was fully settled for quite a while, and ev... | 82 | 32 | [
{
"comment_id": "6507072",
"author": "Comedicles",
"timestamp": "2022-08-27T14:30:21",
"content": "I would place Einstein’s 1905 paper on the photoelectric effect near or at the top. Among other things, what is known now as “Plank’s constant” and the quantization of light come from that paper.",
... | 1,760,372,583.654889 | ||
https://hackaday.com/2022/08/27/an-elegant-ethernet-library-for-your-next-rp2040-project/ | An Elegant Ethernet Library For Your Next RP2040 Project | Arya Voronova | [
"Microcontrollers",
"Network Hacks"
] | [
"10base-t",
"ethernet",
"library",
"Paspberry Pi Pico",
"PIO",
"rp2040",
"udp"
] | A few days ago we covered a project that brought Ethernet connectivity to the Raspberry Pi Pico using little more than some twisted pair and a RJ-45 connector. It was a neat trick, but not exactly ready for widespread adoption. Looking to improve on things a bit, [tvlad1234] has taken that project’s code and rewritten ... | 17 | 7 | [
{
"comment_id": "6507049",
"author": "Peter Knoppers",
"timestamp": "2022-08-27T12:09:51",
"content": "This (desparately) needs receive functionality as well.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6507069",
"author": "Rog77",
"timest... | 1,760,372,584.47901 | ||
https://hackaday.com/2022/08/27/diy-video-transmitter-turned-wifi-jammer/ | DIY Video Transmitter Turned WiFi Jammer | Danie Conradie | [
"Wireless Hacks"
] | [
"FPV",
"video transmitter",
"WiFi Jammer"
] | The proliferation of FPV drones has brought a flood of cheap wireless video tech. After flying and crashing a cheap FPV drone for a bit, [GreatScott] decided to try his hand at building his own
video transmitter
, which turned out to be a lot harder than expected.
While digital technology has caught up to the FPV world... | 31 | 15 | [
{
"comment_id": "6507029",
"author": "Steven B",
"timestamp": "2022-08-27T09:36:21",
"content": "Last time I checked in on analog video it was Amplitude modulated. VCO sounds like voltage controlled frequency modulation. . . Audio was FM.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,584.543495 | ||
https://hackaday.com/2022/08/26/dead-eeprom-dumped-with-help-of-body-diodes/ | Dead EPROM Dumped With Help Of Body Diodes | Arya Voronova | [
"hardware",
"Repair Hacks"
] | [
"body diode",
"data recovery",
"eprom",
"esd diode"
] | [Jason P], evidently an enjoyer of old reliable laser printing tech,
spilled a drink
(
nitter
) onto his Panasonic KX-P5400 SideWriter. After cleanup, everything worked fine — except that the PSU’s 5 V became 6.5 V during the accident, and the EPROM with LocalTalk interface firmware died, connection between VCC and GND... | 9 | 5 | [
{
"comment_id": "6507004",
"author": "Ghent The Slicer",
"timestamp": "2022-08-27T06:01:24",
"content": "Excellent hack.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6507005",
"author": "internet",
"timestamp": "2022-08-27T06:24:45",
"content": "... | 1,760,372,584.054602 | ||
https://hackaday.com/2022/08/26/make-your-own-vinegar/ | Make Your Own Vinegar | Danie Conradie | [
"chemistry hacks",
"cooking hacks"
] | [
"alcohol",
"fermentation",
"vinegar"
] | Making fermentation work for us is one of the original hacks that allowed humans to make food last longer, and festivities more interesting. [Mike G] has been experimenting with
making his own vinegar
, and found the end product to be a delicious addition to his cooking.
The first step is similar to making alcoholic be... | 32 | 16 | [
{
"comment_id": "6506975",
"author": "Drone",
"timestamp": "2022-08-27T02:14:17",
"content": "“Make Your Own Vinegar” Huh? Did I miss something? Are we facing a vinegar shortage now – like everything else in the past 19 months?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,584.17917 | ||
https://hackaday.com/2022/08/26/water-monitor-measures-the-cost-of-your-shower-thinking-time/ | Water Monitor Measures The Cost Of Your Shower Thinking Time | Danie Conradie | [
"Battery Hacks",
"Tech Hacks"
] | [
"ESP8266",
"esphome",
"greatscott"
] | The shower is one of the top thinking places for many of us, but can get a bit out of hand with water wastage and utility bills if you go down a deep rabbit hole. To be more mindful of his water usage in the shower, [GreatScott!] created a
power sipping water monitor
that lives there.
The device is built around a cheap... | 18 | 9 | [
{
"comment_id": "6506949",
"author": "*Mostly lead free anyway",
"timestamp": "2022-08-26T23:39:05",
"content": "Do hope the brass fittings are lead free* and all.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6507032",
"author": "PeterJ",
"... | 1,760,372,584.110198 | ||
https://hackaday.com/2022/08/26/a-guide-to-3d-printing-model-aircraft-wings/ | A Guide To 3D Printing Model Aircraft Wings | Danie Conradie | [
"Parts"
] | [
"3d printed plane",
"airfoil",
"tom stanton",
"wing"
] | The exact airfoil shape of a wing has a massive effect on the performance and efficiency of an aircraft and will be selected based on the intended flight envelope. If you’re moving beyond foam board wings, 3D printing is an excellent way to create an accurate airfoil, and [Tom Stanton] provides us with an excellent gui... | 32 | 9 | [
{
"comment_id": "6506898",
"author": "dgrc",
"timestamp": "2022-08-26T20:47:40",
"content": "Very cool for 3d printing of anything that has to be a light, load-bearing structure. Taking to the next step, define the shape, define the loads – tension, compression and shear, then define the infill tha... | 1,760,372,584.319941 | ||
https://hackaday.com/2022/08/26/bit-banged-ethernet-on-the-raspberry-pi-pico/ | Bit-Banged Ethernet On The Raspberry Pi Pico | Dave Rowntree | [
"Network Hacks",
"Raspberry Pi"
] | [
"10base-t",
"ethernet",
"Paspberry Pi Pico",
"PIO",
"rp2040",
"udp"
] | Whilst the Raspberry Pi RP2040 is quite a capable little chip, on the whole it’s nothing really special compared to the big brand offerings. But, the PIO peripheral
is
a bit special, and its inclusion was clearly a masterstroke of foresight, because it has bestowed the platform all kinds of capabilities that would be r... | 29 | 10 | [
{
"comment_id": "6506863",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-26T18:57:58",
"content": "So, it isimple, TX only, but doesn’t the transmitting CPU need some form of ACK?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "650686... | 1,760,372,584.249918 | ||
https://hackaday.com/2022/08/26/hackaday-podcast-183-stowaway-science-cold-basements-and-warm-beers/ | Hackaday Podcast 183: Stowaway Science, Cold Basements, And Warm Beers | Kristina Panos | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos met up on a secret server to discuss the cream of this week’s crop of hacks. After gushing about
the first-ever Kansas City Keyboard Meetup coming up tomorrow — Saturday the 27th
, we start off by considering the considerable engineering c... | 8 | 4 | [
{
"comment_id": "6506833",
"author": "Kristina Panos",
"timestamp": "2022-08-26T17:13:13",
"content": "Update on the scorching split-level problem at Casa de Panos: we had an HVAC salesman out this morning to discuss the problem. It turns out that that when they knocked down the wall dividing the li... | 1,760,372,584.636885 | ||
https://hackaday.com/2022/08/26/machine-learning-gives-cats-one-more-way-to-control-their-humans/ | Machine Learning Gives Cats One More Way To Control Their Humans | Dan Maloney | [
"Machine Learning"
] | [
"AWS",
"cats",
"Lamdba",
"meow",
"microphone",
"raspberry pi",
"Tensorflow Lite"
] | For those who choose to let their cats live a more or less free-range life, there are usually two choices. One, you can adopt the role of servant and run for the door whenever the cat wants to get back inside from their latest bird-murdering jaunt. Or two, install a cat door and let them come and go as they please, som... | 9 | 6 | [
{
"comment_id": "6506806",
"author": "mjrippe",
"timestamp": "2022-08-26T15:45:18",
"content": "I think you meant “Heads, they win. Tails, you lose.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6506826",
"author": "Ostracus",
"timestamp": "2022-08-... | 1,760,372,584.589057 | ||
https://hackaday.com/2022/08/26/this-week-in-security-in-mudge-we-trust-dont-trust-that-app-browser-and-firefox-at-pwn2own/ | This Week In Security: In Mudge We Trust, Don’t Trust That App Browser, And Firefox At Pwn2Own | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"Mudge",
"Pwn2Own",
"This Week in Security"
] | There’s yet another brouhaha forming over Twitter, but this time around it’s
a security researcher making noise
instead of an eccentric billionaire. [Peiter Zatko] worked as Twitter’s security chief for just over a year, from November 2020 through January 2022. You may know Zatko better as [Mudge], a renowned security ... | 19 | 7 | [
{
"comment_id": "6506775",
"author": "abjq",
"timestamp": "2022-08-26T14:18:38",
"content": "“fixed in Firefox 100.0.2”it would be instructive if exploit hunters could also tell us what the earliest version is, where their exploit would work.That would expose the futility of the upgrade treadmill.",... | 1,760,372,584.694777 | ||
https://hackaday.com/2022/08/26/you-paid-for-this-paper-now-you-can-read-it-without-paying-again/ | You Paid For This Paper. Now You Can Read It Without Paying Again | Jenny List | [
"News",
"Science"
] | [
"academic publishing",
"govenment",
"open-access",
"scientific research"
] | There is probably very little among the topics covered here at Hackaday that doesn’t have its roots somewhere in scientific research. Semiconductor devices for example didn’t simply pop into being in Bell Labs or Texas Instruments, the scientists and engineers who created them did so standing on the shoulders of legion... | 44 | 23 | [
{
"comment_id": "6506708",
"author": "Mo",
"timestamp": "2022-08-26T11:03:28",
"content": "About time.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6506712",
"author": "Edwin",
"timestamp": "2022-08-26T11:32:02",
"content": "excellent news",
... | 1,760,372,584.893932 | ||
https://hackaday.com/2022/08/24/a-hacky-automatic-camera-slider-using-no-motors/ | A Hacky Automatic Camera Slider Using No Motors | Lewin Day | [
"Misc Hacks"
] | [
"camera",
"camera slider",
"tape measure"
] | Camera sliders are a great way to get smooth, continuous panning shots. You can buy off the shelf or build yourself a motorized model pretty easily these days. However,
[Shivam Dehinwal] came up with a hack that’s even simpler again.
The design uses a 3D-printed base which mounts the camera on top. Four wheels are inst... | 5 | 3 | [
{
"comment_id": "6506031",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-08-24T22:11:30",
"content": "I don’t think “panning” is the correct term for what the camera is doing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6506033",
... | 1,760,372,584.734133 | ||
https://hackaday.com/2022/08/24/skarper-e-bike-conversion-kit-simplifies-electrifying-your-bike/ | Skarper E-Bike Conversion Kit Simplifies Electrifying Your Bike | Al Williams | [
"Transportation Hacks"
] | [
"e-bike",
"ebike",
"electric bike"
] | If you’re a Hackaday reader, it’s a good bet you could figure out how to convert your bike to use an electric motor. But you might have more important things to do, so a start up company, Skarper, wants to help you with a conversion kit and the folks over at [autoevolution]
took a closer look at how it works
. The inte... | 65 | 23 | [
{
"comment_id": "6505963",
"author": "MrSVCD",
"timestamp": "2022-08-24T19:05:49",
"content": "Is this pedal assist or a motorcycle conversion kit?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6505970",
"author": "Earl",
"timestamp": "2022-08-24T19:1... | 1,760,372,585.057642 | ||
https://hackaday.com/2022/08/24/space-based-solar-power-folly-or-stroke-of-genius/ | Space-Based Solar Power: Folly Or Stroke Of Genius? | Maya Posch | [
"Hackaday Columns",
"Original Art",
"Slider"
] | [
"solar",
"space",
"space-based solar power"
] | The Sun always shines in space, unless a pesky planet gets in the way. That’s more or less the essential thought behind space-based solar power (
SBSP
) as newly pitched by ESA’s director general, Josef Aschbacher
on Twitter
. Rather than putting photovoltatic solar panels on the Earth’s surface which has this annoying... | 137 | 38 | [
{
"comment_id": "6505904",
"author": "Robogeek78",
"timestamp": "2022-08-24T17:14:56",
"content": "I would be more interested in a solar shade to reduce the heat energy incoming from the sun, to be placed at the L1 point between the earth and sun.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,372,585.25054 | ||
https://hackaday.com/2022/08/24/telephoto-lens-without-the-fiscal-pain/ | Telephoto Lens Without The Fiscal Pain | Jenny List | [
"digital cameras hacks"
] | [
"lens",
"photography",
"telephoto"
] | If you’re in the market for a telephoto lens, the available range of optics for your camera is limited only by the size of your bank account. So when
[Pixels and Prisms] promises a telephoto for $13 USD
it has to be worth a second look, right? Where’s the catch.
The lens has a 3D printed shell containing the optics, wi... | 20 | 8 | [
{
"comment_id": "6505873",
"author": "Timothy McN",
"timestamp": "2022-08-24T16:21:10",
"content": "I would humbly encourage these creative DIY optics champions to put a few more diagrams, photographs, and STL previews of their clever wares to upgrade their “zen” minimalist web site from the current... | 1,760,372,584.955629 | ||
https://hackaday.com/2022/08/24/how-resilient-is-the-natural-gas-grid/ | How Resilient Is The Natural Gas Grid? | Dan Maloney | [
"Engineering",
"Featured",
"Interest",
"Slider"
] | [] | A few years ago, I managed to get myself on a mailing list from a fellow who fancied himself an expert on energy. Actually, it seemed that no area was beyond his expertise, and the fact that EVERY EMAIL FROM HIM CAME WITH A SUBJECT LINE IN CAPS WITH A LOT OF EXCLAMATION POINTS!!!! really sealed the deal on his bona fid... | 83 | 18 | [
{
"comment_id": "6505851",
"author": "Frankel",
"timestamp": "2022-08-24T14:25:15",
"content": "Thank you for including sane and scientifically correct SI units in the article! I can always to MPa into bar easily on my wetware CPU. psi should be abandoned for good.",
"parent_id": null,
"dept... | 1,760,372,585.572582 | ||
https://hackaday.com/2022/08/24/macintosh-classic-ii-with-e-ink-display/ | Macintosh Classic II With E-Ink Display | Bryan Cockfield | [
"Mac Hacks",
"Raspberry Pi"
] | [
"adb",
"Apple Desktop Bus",
"display",
"e-ink",
"mac Classic",
"macintosh classic ii",
"raspberry pi"
] | As various antique computers age, it becomes increasingly hard to operate them as hardware begins to physically fail. Keeping these systems up and running often requires scavenging parts from other machines which are only becoming harder to find as time goes on. But if you throw out the requirement of using only era-ap... | 30 | 9 | [
{
"comment_id": "6505811",
"author": "CRJEEA",
"timestamp": "2022-08-24T11:23:39",
"content": "Personally I was hoping for some sort of translator board, so the old hardware could drive the e-ink display. Sadly it’s a Ras-Pi in a case.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,585.330792 | ||
https://hackaday.com/2022/08/24/frequency-counter-restoration-impeded-by-kittens/ | Frequency Counter Restoration Impeded By Kittens | Al Williams | [
"Repair Hacks",
"Teardown",
"Tool Hacks"
] | [
"HP",
"neon",
"repair",
"restoration",
"test equipment"
] | We think of digital displays as something you see on relatively modern gear. But some old gear had things like nixies or numitrons to get cool-looking retro digital displays. The HP 521A frequency counter, though, uses four columns of ten discrete neon bulbs to make a decidedly low-tech but effective digital display. [... | 12 | 7 | [
{
"comment_id": "6505852",
"author": "Garth Bock",
"timestamp": "2022-08-24T14:28:32",
"content": "I remember seeing one of these at our university back in the 70’s. It was later sold as extraneous equipment. Great informative video. Glad you didn’t have a cat-tastrophe and your tech-cat-nical staff... | 1,760,372,585.624319 | ||
https://hackaday.com/2022/08/23/the-first-ever-kansas-city-keyboard-meetup-is-this-weekend/ | The First-Ever Kansas City Keyboard Meetup Is This Weekend | Kristina Panos | [
"News"
] | [
"keyboard",
"keyboard meetup",
"meetup",
"swap and shop",
"swap meet"
] | Sometimes, if you wait long enough for something you want, it will come to you. Whether it’s the law of attraction or just plain laziness, it has finally happened —
there’s a keyboard meetup happening within a 500-mile radius of me
. As far as I know, it’s the first one ever in Kansas City. I’m going, I’m bringing weir... | 18 | 8 | [
{
"comment_id": "6505605",
"author": "Myself",
"timestamp": "2022-08-23T16:38:29",
"content": "Oh that sounds like so much fun! I love all the new-build activity going on in the keyboard space. I’m sickened by seeing historical artifacts stripped of their unique keyboards without which they cannot o... | 1,760,372,585.865238 | ||
https://hackaday.com/2022/08/23/optimizing-the-mining-of-uranium-from-coal-ash-and-seawater/ | Optimizing The Mining Of Uranium From Coal Ash And Seawater | Maya Posch | [
"Featured",
"Interest",
"Science",
"Slider"
] | [
"uranium",
"uranium mining"
] | Of all the elements that make up the Earth’s crust,
uranium
is reasonably
abundant
, coming in at 49th place, ahead of elements such as tin, tungsten and silver. Ever since humankind began to exploit uranium for its fissile properties in energy production, this abundance has also translated into widespread availability... | 55 | 15 | [
{
"comment_id": "6505570",
"author": "David W",
"timestamp": "2022-08-23T14:55:19",
"content": "I’m more surprised that they’re not using reverse osmosis and the like to filter out Lithium. It is said that there is more lithium In the the sea than on land. So why not go after both lithium and Uraniu... | 1,760,372,585.72853 | ||
https://hackaday.com/2022/08/23/ryobi-battery-hack-keeps-cpap-running-quietly/ | Ryobi Battery Hack Keeps CPAP Running Quietly | Dan Maloney | [
"Tool Hacks"
] | [
"backup",
"battery pack",
"CPAP",
"inverter",
"Li-ion",
"ryobi"
] | When it comes to cordless power tools, color is an important brand selection criterion. There’s Milwaukee red, for the rich people, the black and yellow of DeWalt, and Makita has a sort of teal thing going on. But when you see that painful shade of fluorescent green, you know you’ve got one of the wide range of bargain... | 34 | 10 | [
{
"comment_id": "6505519",
"author": "Adam",
"timestamp": "2022-08-23T11:19:26",
"content": "Props to the builder for taking existing parts and making something that works better for them – looks almost OEM, retains safety components (though I’d consider fusing the XT60 connector), and only required... | 1,760,372,585.803383 | ||
https://hackaday.com/2022/08/23/knife-throwing-machine-gets-the-spin-just-right/ | Knife Throwing Machine Gets The Spin Just Right | Danie Conradie | [
"Weapons Hacks"
] | [
"knife",
"lidar",
"servo motors"
] | Despite how it might appear in bad action movies, throwing a knife and making it stick in a target is no easy feat. Taking inspiration from the aforementioned movies, [Quint] and his son built a
magazine-fed knife throwing machine
, capable of sticking a knife at any distance within its range.
Throwing a sharp piece of... | 18 | 7 | [
{
"comment_id": "6505494",
"author": "Risu no Kairu",
"timestamp": "2022-08-23T08:51:26",
"content": "Bringing the knife to a gun fight",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6505532",
"author": "MughtyWinky",
"timestamp": "2022-08-23... | 1,760,372,585.923902 |
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