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https://hackaday.com/2022/03/30/a-new-wrinkle-on-wooden-ribbon-microphones/ | A New Wrinkle On Wooden Ribbon Microphones | Dan Maloney | [
"Musical Hacks"
] | [
"audio",
"BK-5",
"cyanoacrylate",
"microphone",
"neodymium",
"ribbon",
"transformer",
"walnut"
] | Not too many people build their own microphones, and those who do usually build them out of materials like plastic and metal. [Frank Olson] not only loves to make microphones, but he’s also got a thing about making them from wood, with some pretty stunning results.
[Frank]’s latest build
is a sorta-kinda replica of the... | 13 | 5 | [
{
"comment_id": "6452583",
"author": "Rumble_in_the_Jungle",
"timestamp": "2022-03-30T20:07:24",
"content": "Cyanoacrylate and ear buds – quite disappointed that there was no flames :( or they made them now without cotton?",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,743.327334 | ||
https://hackaday.com/2022/03/30/visit-the-worlds-largest-computer-museum-the-heinz-nixdorf/ | Visit The World’s Largest Computer Museum: The Heinz Nixdorf | Robin Kearey | [
"Hackaday Columns",
"Reviews",
"Slider"
] | [
"computer history museum",
"computing history",
"HNF",
"Paderborn",
"retrocomputing"
] | Most stories in the history of computing took place in one of a small number of places. The wartime code-breaking effort in Bletchley Park led to Colossus, the first programmable electronic computer. Various university campuses in Britain and the US were home to first-generation computers like ENIAC, EDVAC and the Manc... | 21 | 15 | [
{
"comment_id": "6452550",
"author": "voidnill",
"timestamp": "2022-03-30T18:56:45",
"content": "Oh, nice. I went to th HNCM in 2016. Made some large scale picse (206) and uppd the material into the archive. Pics are Public Domain, so feel free to use them for projects or research.https://archive.or... | 1,760,372,743.524303 | ||
https://hackaday.com/2022/03/30/fancy-wire-loop-game-is-a-beauty-in-brass/ | Fancy Wire Loop Game Is A Beauty In Brass | Lewin Day | [
"Misc Hacks"
] | [
"machining",
"wire loop game"
] | The simple wire-loop game is often built as a fun project to teach students about electronics. [W&M Levsha] built their own version, showing off their fine crafting and machining skills and branding it as a sobriety test
with the playful name “Breathalyzer.”
The mechanics of the game are quite simple. The player must g... | 4 | 3 | [
{
"comment_id": "6452472",
"author": "Prowler50mil",
"timestamp": "2022-03-30T16:06:23",
"content": "Beautiful final product.I would suggest buying an Air Deburring System or some other powered deburring tool. It would save a lot of time on the cleanup of the cnc cut on the brass part.",
"parent... | 1,760,372,743.176303 | ||
https://hackaday.com/2022/03/31/making-windshield-wipers-rock-to-the-beat/ | Making Windshield Wipers Rock To The Beat | Lewin Day | [
"Musical Hacks"
] | [
"music",
"Musical",
"windscreen wipers",
"windshield wipers"
] | When you’re driving around, you might occasionally notice your indicators or windscreen wipers sync up fortuitously with the music. [Cranktown City] wanted to
ensure
his wipers would always match the beat, however,
and set about making it so.
After disassembling the wiper motor, The original controller PCB is ripped up... | 10 | 7 | [
{
"comment_id": "6452936",
"author": "Giorgio",
"timestamp": "2022-03-31T20:52:33",
"content": "Beautiful project. He is very bold, I would never cut a hole in my car.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6452957",
"author": "dendad",
"timest... | 1,760,372,743.080432 | ||
https://hackaday.com/2022/03/31/rural-hacker-de-crufts-and-rebuilds-hydroelectric-generator/ | Rural Hacker De-Crufts And Rebuilds Hydroelectric Generator | Ryan Flowers | [
"Parts",
"Repair Hacks"
] | [
"homesteading",
"hydroelectric",
"limited tools",
"Rural",
"simple",
"weld"
] | YouTuber [Linguoer] has a knack, and it’s one that we don’t often see on the pages of Hackaday: rewinding and rebuilding dilapidated motors and generators.
In the video below
, you’ll see [Lin] take a hydroelectric turbine and generator that looks like it’s been sitting at the bottom of a lake, and turn it into a worki... | 27 | 10 | [
{
"comment_id": "6452926",
"author": "J T McGregor",
"timestamp": "2022-03-31T20:18:52",
"content": "Rural village in Hong Kong? It’s the most densely populated area in the world…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6452951",
"author": "Ry... | 1,760,372,743.391713 | ||
https://hackaday.com/2022/03/31/circuit-vr-the-wheatstone-bridge-analog-computer/ | Circuit VR: The Wheatstone Bridge Analog Computer | Al Williams | [
"Engineering",
"History"
] | [
"analog computer",
"falstad",
"slide rule",
"voltage divider",
"wheatstone bridge"
] | We are always impressed with something so simple can actually be so complex. For example, what would you think goes into an analog computer? Of course, a “real” analog computer has opamps that can do logarithms, square roots, multiply, and divide. But would it surprise you that you can make an analog device like a slid... | 13 | 9 | [
{
"comment_id": "6452902",
"author": "Jan",
"timestamp": "2022-03-31T17:58:57",
"content": "Great article and what a fun concept! Adding it to my list…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6452903",
"author": "Miroslav",
"timestamp": "2022-03... | 1,760,372,743.134685 | ||
https://hackaday.com/2022/03/31/know-which-way-the-wind-blows-whether-weather-boosts-your-mood/ | Know Which Way The Wind Blows, Whether Weather Boosts Your Mood | Michael Shaub | [
"hardware",
"internet hacks",
"Raspberry Pi"
] | [
"Balena",
"data collection",
"etcher",
"notion",
"quantified self",
"raspberry pi",
"raspberry pi hat",
"SenseHAT"
] | As a quantified-self experiment, [Ayan] has tracked several daily habits and moods for a couple of years and discovered some insights. Too much coffee is followed by anxiety while listening to music leads to feelings of motivation and happiness. There was a strong correlation in the data, but [Ayan] wondered if externa... | 4 | 3 | [
{
"comment_id": "6452884",
"author": "Mog",
"timestamp": "2022-03-31T16:30:31",
"content": "So what were the results? Did it turn out that any way the wind blows *did* really matter, to him… to him?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6452896",
... | 1,760,372,743.009953 | ||
https://hackaday.com/2022/03/31/remoticon-2021-hal-rodriguez-and-sahrye-cohen-combine-couture-and-circuitry/ | REMOTICON 2021 // Hal Rodriguez And Sahrye Cohen Combine Couture And Circuitry | Kristina Panos | [
"cons",
"Hackaday Columns",
"Slider",
"Wearable Hacks"
] | [
"arduino",
"capacitive touch",
"conductive fabric",
"couture",
"raspberry pi",
"wearable"
] | [Hal Rodriguez] and [Sahrye Cohen] of Amped Atelier focus on creating interactive wearable garments with some fairly high standards. Every garment must be pretty, and has to either be controllable by the wearer, through a set of sensors, or even by the audience via Bluetooth. Among their past creations are a dress with... | 3 | 2 | [
{
"comment_id": "6452885",
"author": "Gravis",
"timestamp": "2022-03-31T16:30:56",
"content": "I’m always interested in wearable tech and conductive fabric is awesome. That said, current tech isn’t up to the challenge of being anything but a one-off art piece because of one major: power. Manually ... | 1,760,372,743.4358 | ||
https://hackaday.com/2022/03/31/tricking-a-smart-meter-into-working-on-the-bench/ | Tricking A Smart Meter Into Working On The Bench | Dan Maloney | [
"Reverse Engineering"
] | [
"ac",
"residential meter",
"smart meter",
"smps",
"split-phase",
"spoofing"
] | When the widget you’re working on is powered by a battery or a USB charger, running it on the bench is probably pretty safe. But when the object of your reverse-engineering desire is a residential electrical meter, things can get a little dicey.
Not that this elevated danger level has kept [Hash] from exploring the mys... | 27 | 7 | [
{
"comment_id": "6452813",
"author": "Davin Peterson",
"timestamp": "2022-03-31T11:47:07",
"content": "I live in Northern Virgnia and the electric company, Dominion Energy, has been upgrading customers meters to smart meters",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,372,743.238715 | ||
https://hackaday.com/2022/03/31/cnc-toolpath-visualisation-with-opencv/ | CNC Toolpath Visualisation With OpenCV | Dave Rowntree | [
"cnc hacks"
] | [
"charuco",
"CNC router",
"homography",
"image",
"opencv"
] | [Tony Liechty] has been having a few issues getting into CNC machining — starting with a simple router, he’s tripped over the usual beginners’ problems, you know, things like alignment of the design to the workpiece shape, axis clipping and workpiece/clamp collisions. He did the decent hacker thing, and turned to some ... | 9 | 7 | [
{
"comment_id": "6452802",
"author": "Duncan Batchelor",
"timestamp": "2022-03-31T11:08:04",
"content": "I think that is absolutely brilliant. You’ve taken a problem that so many have moaned about, including myself, and found the start of a solution. This would be a perfect addition for the link bet... | 1,760,372,743.279728 | ||
https://hackaday.com/2022/03/30/replaceable-batteries-are-coming-back-to-phones-if-the-eu-gets-its-way/ | Replaceable Batteries Are Coming Back To Phones If The EU Gets Its Way | Lewin Day | [
"Current Events",
"Featured",
"Interest",
"Slider"
] | [
"cellphone",
"CellPhones",
"eu",
"legislation",
"phone",
"phones"
] | Back in the day, just about everything that used a battery had a hatch or a hutch that you could open to pull it out and replace it if need be. Whether it was a radio, a cordless phone, or a cellphone, it was a cinch to swap out a battery.
These days, many devices hide their batteries, deep beneath tamper-proof sticker... | 150 | 44 | [
{
"comment_id": "6452405",
"author": "deshipu",
"timestamp": "2022-03-30T14:06:24",
"content": "They could make up their minds and remove the regulations that forbid you shipping devices with replaceable batteries, which, I suspect, are one of the reasons everybody glues them in now.",
"parent_i... | 1,760,372,744.000266 | ||
https://hackaday.com/2022/03/30/wind-up-tape-measure-transformed-into-portable-ham-antenna/ | Wind-Up Tape Measure Transformed Into Portable Ham Antenna | Dan Maloney | [
"Radio Hacks"
] | [
"amateur radio",
"antenna",
"EFHW",
"end-fed halfwave",
"ham radio",
"portable",
"QRP",
"radiator",
"tape measure"
] | If there’s one thing that amateur radio operators are good at, it’s turning just about anything into an antenna. And hams have a long history of portable operations, too, where they drag a (sometimes) minimalist setup of gear into the woods and set up shop to bag some contacts. Getting the two together, as with
this fi... | 21 | 10 | [
{
"comment_id": "6452373",
"author": "Leon Heller",
"timestamp": "2022-03-30T11:12:58",
"content": "What is a BNS connector? Perhaps he meant to say BNC.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6452434",
"author": "MAC",
"timestamp": "... | 1,760,372,743.7249 | ||
https://hackaday.com/2022/03/30/building-7-segment-displays-with-lego/ | Building 7-Segment Displays With LEGO | Lewin Day | [
"Toy Hacks"
] | [
"7-segment display",
"lego"
] | Utter the words “7-segment display” amongst hackers and you’ll typically get people envisaging the usual LED and LCD versions that we all come across in our daily lives. However, mechanical versions do exist, and [ord] has assembled a couple of designs of their very own.
The first uses what appears to be two LEGO motor... | 9 | 3 | [
{
"comment_id": "6452367",
"author": "NotALegoGuy",
"timestamp": "2022-03-30T10:33:21",
"content": "I admire the cleverness of these Lego-Topics, but then again: I find the amount of Lego-Related posts in HaD a bit too much in the last weeks. Can we dial it a bit back. I can not take anything from i... | 1,760,372,743.668891 | ||
https://hackaday.com/2022/03/29/building-a-diy-flight-yoke-for-flight-simulator/ | Building A DIY Flight Yoke For Flight Simulator | Lewin Day | [
"Peripherals Hacks"
] | [
"flight yoke",
"yoke"
] | Flight yokes are key to getting an authentic experience when playing a flight simulator, but [Michel Rechtin] didn’t want to pay big money for a commercially-available solution. He ended up building a design using a lot of parts he had laying around,
which saved money and worked out great.
The build is based around an ... | 2 | 1 | [
{
"comment_id": "6452398",
"author": "Gravis",
"timestamp": "2022-03-30T13:18:47",
"content": "I hope he used a high level of infill for the handle because for a good feeling it needs to have some weight and not flex. Adding feedback would also be nice but that is a project unto itself.",
"paren... | 1,760,372,744.037537 | ||
https://hackaday.com/2022/03/29/fifty-motored-paraglider-partly-flies-partly-glides/ | Fifty Motored Paraglider Partly Flies, Partly Glides | Ryan Flowers | [
"Transportation Hacks"
] | [
"aviation",
"electric flight",
"peter sripol",
"ultralight"
] | If there’s one thing you can count on [Peter Sripol] for, it’s for defining the the aviation category of “Don’t Try This At Home.” In the video below the break, [Peter] displays his latest terror of the skies:
A powered paraglider backpack that has
fifty
electric motors
. Does it fly? Yes. Was it a success? Eh… mostly.... | 15 | 6 | [
{
"comment_id": "6452345",
"author": "mip",
"timestamp": "2022-03-30T07:16:46",
"content": "[Peter Sripol]’s channel is one of those DIY channels which has outgrown its “Y”. Too professional both in terms of equipment, and staff, as well as too obviously monetarized. Still entertaining sometimes, bu... | 1,760,372,744.096627 | ||
https://hackaday.com/2022/03/29/cute-oscilloscope-uses-leds-for-display/ | Cute Oscilloscope Uses LEDs For Display | Lewin Day | [
"LED Hacks"
] | [
"led",
"oscilloscope"
] | Oscilloscopes were once commonly called CROs, for the fact that they relied on cathode ray tubes for display. Since then, technology has moved quickly, and oscilloscopes these days almost entirely rely on modern screens like LCDs. However, [lonesoulsurfer] went a different route with this fun DIY build, creating an osc... | 29 | 14 | [
{
"comment_id": "6452223",
"author": "YGDES",
"timestamp": "2022-03-29T23:07:48",
"content": "well, decade counter, you mean 4017, right ?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6452225",
"author": "limroh",
"timestamp": "2022-03-29T23:13:40",
... | 1,760,372,744.257406 | ||
https://hackaday.com/2022/03/29/you-can-turn-soft-drink-bottles-into-handy-solar-lamps/ | You Can Turn Soft Drink Bottles Into Handy Solar Lamps | Lewin Day | [
"home hacks"
] | [
"bottle",
"diy",
"solar light"
] | Solar lights are a popular garden decoration. Of course, they’re available cheaply from most hardware and garden stores, but if you’re more of the DIY type, you might like to build your own. [opengreenenergy] has done just that,
using recycled materials for a cheap and simple design.
The design was inspired by
the Mose... | 17 | 6 | [
{
"comment_id": "6452190",
"author": "Llaves",
"timestamp": "2022-03-29T20:15:18",
"content": "The Aliexpress link for the solar panel links to a page listing 5 different panels, none matching the size in the instructions.",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,372,744.148989 | ||
https://hackaday.com/2022/03/28/pdp-11-34-restoration-and-the-virtue-of-persistence/ | PDP-11/34 Restoration And The Virtue Of Persistence | Chris Wilkinson | [
"Retrocomputing"
] | [
"DEC PDP-11",
"floppy disk",
"minicomputer",
"PDP-11/34"
] | The wildly successful PDP-11 minicomputer was a major influence on the evolution of computing throughout the 1970s. While fondly remembered in modern day emulation, there’s nothing like booting up the real thing, as [Jerry Walker]
explores in his video series on restoring a PDP-11/34
. Examples of PDP-11 hardware are b... | 12 | 5 | [
{
"comment_id": "6452023",
"author": "Antron Argaiv",
"timestamp": "2022-03-29T12:16:30",
"content": "I worked at DEC Westfield for two summers as a fill-in test tech. The final summer, I acquired from the scrap sales, parts for a VT-05 terminal (non functional, of course). It was basically, a keybo... | 1,760,372,744.193759 | ||
https://hackaday.com/2022/03/28/old-boat-becomes-toasty-floating-sauna/ | Old Boat Becomes Toasty Floating Sauna | Lewin Day | [
"Misc Hacks"
] | [
"boat",
"Sauna"
] | A sauna is a great place to feel warm and toasty and refreshed, but few of us have one at home. [Linus Strothmann] decided to build his own, using an old boat as the perfect base
for his steamy build.
Finding the right boat was the first challenge; the vessel should be big enough to fully house the intended number of o... | 3 | 2 | [
{
"comment_id": "6452104",
"author": "Jii",
"timestamp": "2022-03-29T17:13:41",
"content": "Sauna is a pleasure even in the summer, trust me, i’m an engineer.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6452148",
"author": "Jii",
"timestamp": "2022-... | 1,760,372,744.296578 | ||
https://hackaday.com/2022/03/28/retro-portable-computer-packs-printer-for-the-trip/ | Retro Portable Computer Packs Printer For The Trip | Tom Nardi | [
"computer hacks",
"Cyberdecks"
] | [
"foldable",
"hand wired",
"mechanical keyboard",
"pi zero",
"portable computer",
"thermal printer"
] | Looking like it dropped out of an alternate reality version of the 1980s, the
Joopyter Personal Terminal is a 3D printed portable computer
that includes everything you need for life in the retro-futuristic fastlane: a mechanical keyboard, a thermal printer, and the obligatory tiny offset screen. It’s a true mobile mach... | 10 | 4 | [
{
"comment_id": "6451905",
"author": "Foldi-One",
"timestamp": "2022-03-28T20:43:05",
"content": "That advert is really great – the age old disclaimer of cancer and birth defects according to California really helps sell it to me.Quite like the way it folds and unfolds for use to – it actually looks... | 1,760,372,744.345693 | ||
https://hackaday.com/2022/03/28/gravity-water-air-powered-engine/ | Gravity-Water-Air Powered Engine | Matthew Carlson | [
"3d Printer hacks",
"Engine Hacks"
] | [
"3d printed",
"air engine",
"cnc",
"compressed air engine",
"water power"
] | Air engines are a common occurrence here on Hackaday. They’re relatively novel and reasonably easy to 3D print without requiring any fluids or supporting machinery. For example, [Tom Stanton] took a previous air engine design, did away with the air compressor, and
instead used gravity and water to create just a few PSI... | 19 | 7 | [
{
"comment_id": "6451882",
"author": "Kyle",
"timestamp": "2022-03-28T18:56:34",
"content": "Interestingly I just watched a YouTube video on a dam in Canada that was used to supply early twentieth century mines with pressurized air.Small air inlet tubes long enough to be below the water inlet incorp... | 1,760,372,744.402892 | ||
https://hackaday.com/2022/03/28/is-the-iphone-camera-too-smart-or-not-smart-enough/ | Is The IPhone Camera Too Smart? Or Not Smart Enough? | Kristina Panos | [
"Hackaday Columns",
"Original Art",
"Rants",
"Slider"
] | [
"camera",
"computational photography",
"iPhone 12 Pro",
"iPhone 13 Pro",
"iPhone camera",
"photography"
] | What is a photograph? Technically and literally speaking, it’s a drawing (
graph)
of light
(photo).
Sentimentally speaking, it’s a moment in time, captured for all eternity, or until the medium itself rots away. Originally, these light-drawings were recorded on film that had to be developed with a chemical process, but... | 61 | 23 | [
{
"comment_id": "6451848",
"author": "Severe Tire Damage",
"timestamp": "2022-03-28T17:23:11",
"content": "As the saying goes “art is what you like”. Not everyone likes HDR. Lots of people love it. There are many “knobs” you can turn to fiddle with it. There are many flavors of HDR. The only que... | 1,760,372,744.737084 | ||
https://hackaday.com/2022/03/28/pcb-thermal-design-hack-chat/ | PCB Thermal Design Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, March 30 at noon Pacific for the
PCB Thermal Design Hack Chat
with Mike Jouppi!
Most of the time, designing a printed circuit board is a little like one of those problems in an introductory physics course, the ones where you can safely ignore things like air resistance. With PCBs, it’s generally s... | 0 | 0 | [] | 1,760,372,744.628863 | ||
https://hackaday.com/2022/03/28/say-friend-and-have-this-box-open-for-you/ | Say Friend And Have This Box Open For You | Arya Voronova | [
"Art",
"Raspberry Pi"
] | [
"hackaday.io",
"pocketsphinx",
"power management",
"raspberry pi",
"voice recognition",
"woodworking"
] | Handcrafted gifts are special, and this one’s no exception. [John Pender] made
a Tolkien-inspired box
for his son and shared the details with us on Hackaday.io. This one-of-a-kind handcrafted box fulfills one role and does it perfectly – just like with the Doors of Durin, you have to say ‘friend’ in Elvish, and the box... | 13 | 5 | [
{
"comment_id": "6451823",
"author": "RW ver 0.0.3",
"timestamp": "2022-03-28T15:55:37",
"content": "It’s all good until you get a pair of drunk Scots burglars.. “Wheesht, stop yer banging around Angus, wha’ if it’s alarmed, ye’ll trigger the bell, och!”",
"parent_id": null,
"depth": 1,
... | 1,760,372,744.590379 | ||
https://hackaday.com/2022/03/29/non-contact-probe-works-better-with-a-little-more-complexity/ | Non-Contact Probe Works Better With A Little More Complexity | Al Williams | [
"Tool Hacks"
] | [
"dollar store",
"flashlight",
"non-contact",
"non-contact voltage"
] | Non-contact voltage probes have been around a while and some test equipment now has them built-in. This is one of those things that you probably don’t think about much, but surely it isn’t that hard to detect AC voltage. Turns out there are a lot of circuits floating around that can do it and [nsievers51] tried a bunch... | 5 | 4 | [
{
"comment_id": "6452168",
"author": "Alm865",
"timestamp": "2022-03-29T19:02:32",
"content": "Most non contact testers detect an electric field, not AC specifically",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6452250",
"author": "paulvdh",
"timesta... | 1,760,372,744.835054 | ||
https://hackaday.com/2022/03/29/converting-your-bike-to-electric-why-you-should-and-when-you-shouldnt/ | Converting Your Bike To Electric: Why You Should, And When You Shouldn’t | Jenny List | [
"Featured",
"Reviews",
"Slider",
"Transportation Hacks"
] | [
"Brompton",
"electric bike",
"review",
"swytch"
] | A decade ago I was lucky enough to work for an employer that offered a bicycle loan scheme to its employees, and I took the opportunity to spend on a Brompton folding bike. This London-made machine is probably one of the more efficiently folding cycles on the market, and has the useful feature of being practical for lo... | 96 | 22 | [
{
"comment_id": "6452103",
"author": "Twisty Plastic",
"timestamp": "2022-03-29T17:13:17",
"content": "I still just can’t get over that 15MPH top speed. When I rode more often I used to exceed that all the time without any assist. Are you not allowed to pedal faster than that or is it only a limitat... | 1,760,372,745.172553 | ||
https://hackaday.com/2022/03/29/led-kaleidoscope-uses-induction-power-magic/ | LED Kaleidoscope Uses Induction Power Magic | Lewin Day | [
"LED Hacks"
] | [
"kaleidoscope",
"led",
"wireless led"
] | The kaleidoscope was first invented back in the early 1800s, with the curio known for showing compelling psychedelic patterns as light passes through colored glass and is reflected by mirrors in a tube. [Debra] of
Geek Mom Projects
recently gave the classic toy a thoroughly modern twist
with her own build
. (
Thread Re... | 4 | 2 | [
{
"comment_id": "6452264",
"author": "Steven-X",
"timestamp": "2022-03-30T03:02:26",
"content": "Cool project for kids, but it also prompted me to look at conventional kaleidoscope construction.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6452647",
... | 1,760,372,744.874979 | ||
https://hackaday.com/2022/03/29/enter-the-2022-hackaday-prize-and-help-save-the-world/ | Enter The 2022 Hackaday Prize And Help Save The World | Elliot Williams | [
"contests",
"Featured",
"Slider"
] | [
"2022 Hackaday Prize"
] | The biggest challenge facing humanity over the next century is how to do as much or more, with less environmental impact. Reducing our collective footprint on the planet is of course not any one person’s responsibility alone, and if it’s going to require a million clever solutions to create a sustainable future, then w... | 7 | 2 | [
{
"comment_id": "6452178",
"author": "Jan",
"timestamp": "2022-03-29T19:29:28",
"content": "Here in Sweden we cant afford to drive to work anymore.Drive over there for as long as you can.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6452197",
"auth... | 1,760,372,745.309253 | ||
https://hackaday.com/2022/03/29/finally-the-venerable-vectrex-gets-a-mini-makeover/ | Finally, The Venerable Vectrex Gets A Mini Makeover | Robin Kearey | [
"classic hacks",
"Games"
] | [
"miniature console",
"Raspberry Pi 2",
"vectrex"
] | It appears that every great console is bound to get a miniature remake: we’ve had the PlayStation Classic, the Mini NES and SNES, and even a miniature Sega Genesis/Mega Drive. But one great console that was sorely missing from that list, at least according to [Brendan], was the Vectrex. So he went ahead and
built a ful... | 16 | 6 | [
{
"comment_id": "6452016",
"author": "Bas",
"timestamp": "2022-03-29T11:26:04",
"content": "Nice build. Do you want to share your collection of stl files?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6452361",
"author": "RetroGameOn",
"tim... | 1,760,372,744.932427 | ||
https://hackaday.com/2022/03/29/lego-string-winder-hints-at-greater-possibilities/ | LEGO String Winder Hints At Greater Possibilities | Lewin Day | [
"Toy Hacks"
] | [
"lego",
"string",
"winder"
] | Unless you’re an avid fan of 1997’s box office hit
Mouse Hunt,
or actively working in the string industry, you probably don’t spend a lot of time thinking about how those balls of string are made. [ord] has, however, and built a tidy little winding machine that has us contemplating the possibilities
of how useful LEGO ... | 9 | 7 | [
{
"comment_id": "6452015",
"author": "caseyparry",
"timestamp": "2022-03-29T11:20:55",
"content": "Knitter (and spinner) here. I can see this being immensely useful. As well as way cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6452032",
"author": "r... | 1,760,372,745.216227 | ||
https://hackaday.com/2022/03/28/raspberry-pi-creates-melody/ | Raspberry Pi Creates Melody | Bryan Cockfield | [
"Musical Hacks"
] | [
"distance sensor",
"midi",
"music",
"pi zero",
"raspberry pi",
"theremin"
] | For those who are not into prog rock in the 70s or old radio shows from the 40s, the Theremin may be an unfamiliar musical instrument. As a purely electronic device, it’s well outside the realm of conventional musical instruments. Two radio antennas detect the position of the musician’s hands to make a unique sound tra... | 2 | 1 | [
{
"comment_id": "6452124",
"author": "Greg Chabala",
"timestamp": "2022-03-29T17:40:47",
"content": "Seems very staccato, compared to the continuous notes one would get from a theremin.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6452241",
"author... | 1,760,372,745.257756 | ||
https://hackaday.com/2022/03/28/nasa-continues-slow-and-steady-pace-towards-moon/ | NASA Continues Slow And Steady Pace Towards Moon | Tom Nardi | [
"Current Events",
"Featured",
"Slider",
"Space"
] | [
"apollo",
"Artemis",
"artemis program",
"Moon landing",
"nasa",
"SpaceX",
"starship"
] | It’s often said that the wheels of government turn slowly, and perhaps nowhere is this on better display than at NASA. While it seems like every week we hear about another commercial space launch or venture, projects helmed by the national space agency are often mired by budget cuts and indecisiveness from above. It ta... | 61 | 13 | [
{
"comment_id": "6451799",
"author": "Viktor",
"timestamp": "2022-03-28T14:40:29",
"content": "Why not colonise the moon first before Mars? Baby steps",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6451850",
"author": "fiddlingjunky",
"timest... | 1,760,372,746.140278 | ||
https://hackaday.com/2022/03/28/low-power-mode-for-custom-gps-tracker/ | Low Power Mode For Custom GPS Tracker | Bryan Cockfield | [
"gps hacks"
] | [
"air station",
"durable",
"energy",
"gps",
"Ground Station",
"LoRa",
"power",
"small",
"tracker"
] | GPS has been a game-changing technology for all kinds of areas. Shipping, navigation, and even synchronization of clocks have become tremendously easier thanks to GPS. As a result of its widespread use, the cost of components is also low enough that almost anyone can build their own GPS device, and [Akio Sato] has take... | 19 | 6 | [
{
"comment_id": "6451767",
"author": "sweethack",
"timestamp": "2022-03-28T12:36:03",
"content": "So, it’s an expensive version ofhttps://www.invoxia.comtrackers ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6451769",
"author": "TRT",
"tim... | 1,760,372,745.360832 | ||
https://hackaday.com/2022/03/28/putting-the-rp2040-on-a-stamp/ | Putting The RP2040 On A Stamp | Matthew Carlson | [
"Microcontrollers",
"Raspberry Pi"
] | [
"Raspberry Pi Pico",
"rp2040",
"stamp"
] | In the electronics world, a little one-inch square board with castellated edges allows a lot of circuitry to be easily added in a small surface area. You can grab a prepopulated module, throw it onto your PCB of choice, and save yourself a lot of time routing and soldering. This
tiny Raspberry Pi 2040 module
from [Sold... | 22 | 8 | [
{
"comment_id": "6451743",
"author": "Mike Massen, Perth, Western Australia",
"timestamp": "2022-03-28T08:48:55",
"content": "Nice post, great to see more integration & accessibility ie bigger than SOT connections, eek. I’ve often used silabs parts for various embedded after moving up from Atmel’s 4... | 1,760,372,745.423867 | ||
https://hackaday.com/2022/03/27/solving-grounding-issues-on-switch-audio/ | Solving Grounding Issues On Switch Audio | Bryan Cockfield | [
"Nintendo Hacks"
] | [
"audio",
"Ground",
"Ground Loop",
"mixing",
"nintendo",
"pc",
"signal",
"switch",
"transformer"
] | Grounding of electrical systems is an often forgotten yet important design consideration. Issues with proper grounding can be complicated, confusing, and downright frustrating to solve. So much so that engineers can spend their entire careers specializing in grounding and bonding. [Bsilvereagle] was running into just t... | 32 | 14 | [
{
"comment_id": "6451724",
"author": "ncc",
"timestamp": "2022-03-28T05:14:44",
"content": "Nice. Mine would always leak noise into the audio whenever the game loads something.It’s too bad the system is so picky with USB DACs, none of mine work.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,372,745.49228 | ||
https://hackaday.com/2022/03/27/tube-tumbler-provides-the-perfect-culture/ | Tube Tumbler Provides The Perfect Culture | Brian McEvoy | [
"Medical Hacks"
] | [
"biology",
"cell culture",
"lab equipment",
"laboratory",
"liquid",
"low-cost lab equipment",
"NEMA motor",
"tube tumbler",
"tumbler",
"usb"
] | We’ve all had to shake jars of nail polish, model paint, or cell cultures. Mixing paint is easy – but bacteria and cells need to be agitated for hours. Happily, laboratory tube tumblers automate this for us. The swishing action is handled with rotation. The vials are mounted at angles around a wheel. The angular offse... | 2 | 1 | [
{
"comment_id": "6454110",
"author": "Myself",
"timestamp": "2022-04-06T04:21:16",
"content": "Sweeeeeeeet! I’ve invented this in my head a dozen times, for paints and sauces and stuff, but never built it. This just saved me a bunch of time.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,745.529587 | ||
https://hackaday.com/2022/03/27/hackaday-links-march-27-2022/ | Hackaday Links: March 27, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"anti-counterfeiting",
"Baltimore",
"Benchy",
"Canberra",
"Deep Space Network",
"DSN",
"Ever Forward",
"Ever Given",
"hackaday links",
"HP",
"ip",
"Jerry can",
"Madrid",
"shipping"
] | Remember that time back in 2021 when a huge container ship blocked the Suez Canal and disrupted world shipping for a week? Well, something a little like that is playing out again, this time in the Chesapeake Bay outside of the Port of Baltimore, where
the
MV Ever Forward
ran aground over a week ago
as it was headed out... | 15 | 8 | [
{
"comment_id": "6451694",
"author": "GK",
"timestamp": "2022-03-27T23:12:48",
"content": "Who can drink 20 L of petrol?Jerry can!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6451699",
"author": "Sheff",
"timestamp": "2022-03-27T23:38:56",... | 1,760,372,745.581287 | ||
https://hackaday.com/2022/03/27/3d-printed-portal-turret-moves-and-talks-like-the-real-thing/ | 3D PrintedPortalTurret Moves And Talks Like The Real Thing | Robin Kearey | [
"3d Printer hacks"
] | [
"3d printed",
"portal",
"portal turret"
] | Thanks to its innovative gameplay and quirky humor,
Portal
became an instant hit when it was released in 2007. Characters became cultural icons, quotes became memes and the game became a classic along with its 2011 sequel. Even today, more than a decade later, we regularly see hackers applying their skills in recreatin... | 19 | 11 | [
{
"comment_id": "6451653",
"author": "CptnHddck",
"timestamp": "2022-03-27T20:12:37",
"content": "Too bad it cannot walk and shot real projectiles …next revision then ;-D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6451658",
"author": "lthemick",
... | 1,760,372,745.789648 | ||
https://hackaday.com/2022/03/27/3d-printed-forge-for-recycling/ | 3D Printed Forge For Recycling | Matthew Carlson | [
"3d Printer hacks",
"Tool Hacks"
] | [
"crucible",
"forge",
"forge work",
"plaster of paris",
"recycling"
] | If you own a CNC and have kept tabs on metal prices these past few years (honestly months), you might shed a small tear as you watch chips fly off your work and into the trash. With a sigh, these flecks and pieces are consigned to be the cost of machining a part. Thankfully, the fine folks at [ActionBox] have been work... | 30 | 14 | [
{
"comment_id": "6451615",
"author": "alypne",
"timestamp": "2022-03-27T17:30:40",
"content": "good gravy! everything wrong. watch 1 video per subject @ least. you got lucky!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6451702",
"author": "Bobtato... | 1,760,372,746.496385 | ||
https://hackaday.com/2022/03/27/generating-composite-video-on-esp32-with-lvgl-gui/ | Generating Composite Video On ESP32 With LVGL GUI | Maya Posch | [
"Microcontrollers"
] | [
"composite video",
"ESP32",
"LVGL"
] | RCA connector mounted to ESP32 board. (Credit: aquaticus)
Just because a microcontroller doesn’t have a dedicated video peripheral doesn’t mean it cannot output a video signal. This is demonstrated once again, this time on the ESP32 by [aquaticus]
with a library
that generates PAL/SECAM and NTSC composite signals. As a... | 12 | 5 | [
{
"comment_id": "6451555",
"author": "Joshua",
"timestamp": "2022-03-27T15:43:54",
"content": "That’s really cool! Kudos! 😃 Just a minor complaint here: Composite really is CVBS (Color VBS) rather than VBS (monochrome video)!S-Video (which isn’t considered being Composite), by comparison, contains ... | 1,760,372,745.945125 | ||
https://hackaday.com/2022/03/27/tiny-pinball-is-as-cute-as-pi/ | Tiny Pinball Is As Cute As Pi | Matthew Carlson | [
"Games",
"Raspberry Pi"
] | [
"pinball",
"pinball simulator",
"raspberry pi",
"virtual pinball"
] | Pinball machines are large, complex, and heavy boxes of joy and delight. However, when you don’t have the money or space for one, you have to make
your own mini Raspberry Pi-powered one
.
With access to a local makerspace and a bit of extra free time, [Chris Dalke] had plans to capture the flavor of a full-scale pinbal... | 8 | 5 | [
{
"comment_id": "6451571",
"author": "t67ui56",
"timestamp": "2022-03-27T16:14:35",
"content": "i need mechanic pinbal not electronicelectronic must be 8 bit arcadefor example tempest rotor",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6451709",
"au... | 1,760,372,745.889999 | ||
https://hackaday.com/2022/03/27/peltier-cloud-chamber-produces-some-lovely-trails/ | Peltier Cloud Chamber Produces Some Lovely Trails | Dave Rowntree | [
"Science"
] | [
"cloud chamber",
"ionizing ra",
"peltier cooler",
"radiator",
"water cooling"
] | [Advanced Tinkering] over on YouTube has some pretty unique content, on subjects of chemistry and physics that are a little more, interesting let’s say — anyone fancy distilling cesium? The subject of this build is the visualization of ionizing radiation tracks, with one of our old favorite physics demonstrators, the v... | 6 | 3 | [
{
"comment_id": "6451502",
"author": "limpkin",
"timestamp": "2022-03-27T08:42:24",
"content": "this may just be the prettiest cloud chamber i’ve seen so far, congrats!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6451531",
"author": "Jerry",
"timest... | 1,760,372,745.994321 | ||
https://hackaday.com/2022/03/26/who-needs-yeast-when-you-have-lab-equipment/ | Who Needs Yeast When You Have Lab Equipment? | Donald Papp | [
"chemistry hacks",
"cooking hacks"
] | [
"autoclave",
"baking",
"bread",
"dough",
"Pizza",
"pressure",
"yeast"
] | This particular story on
researchers successfully making yeast-free pizza dough
has been making the rounds. As usual with stories written from a scientific angle, it’s worth digging into the details for some interesting bits. We took a look at
the actual research paper
and there are a few curious details worth sharing.... | 32 | 8 | [
{
"comment_id": "6451493",
"author": "T.Weeks",
"timestamp": "2022-03-27T06:15:39",
"content": "Sorry, but you obviously don’t understand what makes bread so good.. or what makes a “good bread”. Yes.. you can puff up dough in ways other than yeast farts.. but you’re missing an almost more important... | 1,760,372,746.428054 | ||
https://hackaday.com/2022/03/26/hacker-camps-are-back-to-get-you-in-the-mood-heres-a-story-from-1997/ | Hacker Camps Are Back. To Get You In The Mood, Here’s A Story From 1997 | Jenny List | [
"cons"
] | [
"cons",
"hacker camps",
"HIP97",
"history"
] | The past couple of years of the COVID pandemic have been rough in some unexpected ways, and it’s clear that our world will never be quite the same as it was beforehand. In our community, the hackerspaces are open again, and while the pandemic hasn’t gone away this year shows the promise of hosting the first major hacke... | 6 | 2 | [
{
"comment_id": "6451491",
"author": "Robin",
"timestamp": "2022-03-27T05:51:51",
"content": "We look forward to seeing you at MCH2022! It’s going to be really great to see everyone IRL again!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6451557",
"autho... | 1,760,372,746.034964 | ||
https://hackaday.com/2022/03/26/attiny85-snake-game-is-a-circuit-sandwich/ | ATtiny85 Snake Game Is A Circuit Sandwich | Kristina Panos | [
"ATtiny Hacks"
] | [
"attiny85",
"cork",
"cr2032",
"oled",
"plywood",
"snake"
] | If there’s any looming, unwritten rule of learning a programming language, it states that one must break in the syntax by printing
Hello, World!
in some form or another. If any such rule exists for game programming on a new microcontroller, then it is certainly
that thou shalt implement Snake
.
This is [__cultsauce__]’... | 3 | 3 | [
{
"comment_id": "6451644",
"author": "Mike",
"timestamp": "2022-03-27T19:39:23",
"content": "Very impressive, great form factor for a handheld.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6451684",
"author": "Orzel",
"timestamp": "2022-03-27T22:16:2... | 1,760,372,746.353253 | ||
https://hackaday.com/2022/03/26/ai-generated-sleep-podcast-urges-you-to-imagine-pleasant-nonsense/ | AI-Generated Sleep Podcast Urges You To Imagine Pleasant Nonsense | Donald Papp | [
"Artificial Intelligence",
"Machine Learning"
] | [
"ai",
"art",
"automated",
"fairy tale",
"machine generated",
"machine learning",
"sleep"
] | [Stavros Korokithakis] finds the experience of falling asleep to fairy tales soothing, and this has resulted in a fascinating project that indulges this desire by
using machine learning to generate mildly incoherent fairy tales and read them aloud
. The result is a fantastic sort of automated, machine-generated audible... | 12 | 8 | [
{
"comment_id": "6451359",
"author": "Franqlin",
"timestamp": "2022-03-26T21:07:01",
"content": "AI beaming thoughts directly into our ears while we sleep? Hmmmm",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6451525",
"author": "TacticalNinja",
... | 1,760,372,746.203593 | ||
https://hackaday.com/2022/03/26/arduino-keeps-your-classic-timex-datalink-in-sync/ | Arduino Keeps Your Classic Timex Datalink In Sync | Robin Kearey | [
"classic hacks",
"Wearable Hacks"
] | [
"retro watch",
"Timex",
"Timex Datalink"
] | The Timex Datalink was arguably the first usable smartwatch, and was worn by NASA astronauts as well as geek icons like Bill Gates. It could store alarms, reminders and phone numbers, and of course tell the time across a few dozen time zones. One of the Datalink’s main innovations was its ability to download informatio... | 18 | 8 | [
{
"comment_id": "6451341",
"author": "Larif",
"timestamp": "2022-03-26T18:31:28",
"content": "LGR did a review of this watch a few weeks back:https://youtu.be/GCHHzw4s5W4",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6451347",
"author": "Josiah Gould",
... | 1,760,372,746.555373 | ||
https://hackaday.com/2022/03/26/inspiring-hacks-unfinished-hacks/ | Inspiring Hacks, Unfinished Hacks | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"finishing",
"inspiration",
"proof of concept",
"Rant"
] | We got a tip this week, and the tipster’s comments were along the lines of “this doesn’t look like it’s a finished work yet, but I think it’s pretty cool anyway”. And that was exactly right. The work in question is basically
attaching a simple webcam to a CNC router and then having at it with OpenCV
, and [vector76]’s ... | 5 | 3 | [
{
"comment_id": "6451305",
"author": "Dan",
"timestamp": "2022-03-26T14:42:23",
"content": "Yay for janky “not finished but it works” things!Especially those that are still running 10 years later.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6451308",
"a... | 1,760,372,746.604105 | ||
https://hackaday.com/2022/03/26/now-the-v-in-risc-v-stands-for-vroom/ | Now The V In RISC-V Stands For VRoom | Matthew Carlson | [
"FPGA",
"hardware"
] | [
"cpu",
"processor",
"RISC-V",
"system verilog"
] | Hundreds of variations of open-source CPUs written in an HDL seem to float around the internet these days (and that’s a great thing). Many are RISC-V, an open-source instruction set (ISA), and are small toy processors useful for learning and small tasks. However, if you’re [Paul Campbell], you go for a
high-end super-s... | 24 | 5 | [
{
"comment_id": "6451259",
"author": "Paul Campbell",
"timestamp": "2022-03-26T11:15:58",
"content": "Paul Campbell here – AMAA minor nit – I’m currently building in Verilator rather than Icarus (I’ve started using System Verilog Interfaces) – I’d love to still be using Icarus (I’m a big fan of ‘X’ ... | 1,760,372,746.664113 | ||
https://hackaday.com/2022/03/26/reverse-engineering-your-own-bluetooth-audio-module/ | Reverse Engineering Your Own Bluetooth Audio Module | Jenny List | [
"Parts"
] | [
"audio",
"bluetooth",
"module"
] | There was a time when we would start our electronic projects with integrated circuits and other components, mounted on stripboard, or maybe on a custom PCB. This is still the case for many devices, but it has become increasingly common for an inexpensive ready-built module to be treated as a component where once it wou... | 32 | 14 | [
{
"comment_id": "6451240",
"author": "Thomas+Anderson",
"timestamp": "2022-03-26T09:01:13",
"content": "From what I’ve read in the past these JL chips (at least some of them) are full-blown microcontrollers that can be programmed to do a ton of stuff. Some can do FM radio and bluetooth in the same p... | 1,760,372,746.736094 | ||
https://hackaday.com/2022/03/25/polar-planimeter-quantifies-area-by-plotting-perimeter/ | Polar Planimeter Quantifies Area By Plotting Perimeter | Ryan Flowers | [
"classic hacks"
] | [
"cad",
"drafting",
"old school",
"retro"
] | These days it’s hard to be carry the label “maker” or “hacker” without also being proficient in some kind of CAD- even if the C is for Cardboard. But before there was CAD there was Drafting and its associated arts, and one couldn’t just select a shape and see its area in the square unit of your choice. So how could an ... | 12 | 7 | [
{
"comment_id": "6451254",
"author": "jwrm22",
"timestamp": "2022-03-26T11:01:01",
"content": "I’m a fan of these old calculation devices, this creator has quite the video collection. Recently invested time again in the slide rule, just because :)",
"parent_id": null,
"depth": 1,
"replie... | 1,760,372,748.97303 | ||
https://hackaday.com/2022/03/25/get-github-tickets-irl-with-a-raspberry-pi-and-a-receipt-printer/ | Get GitHub Tickets IRL With A Raspberry Pi And A Receipt Printer | Dan Maloney | [
"Misc Hacks"
] | [
"github",
"issue",
"ngrok",
"php",
"raspberry pi",
"thermal printer",
"ticket",
"webhooks"
] | Thermal receipt printers are finding their way into all sorts of projects that are well beyond the point-of-sale environment that they normally inhabit. And while we applaud all the creative and artistic uses hackers have found for these little gems,
this GitHub physical ticket printer
has to be the best use for one ye... | 15 | 4 | [
{
"comment_id": "6451205",
"author": "Feinfinger (looking confused)",
"timestamp": "2022-03-26T04:49:53",
"content": "Come on!Use ePaper instead of murdered trees!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6451214",
"author": "ConductiveInsulati... | 1,760,372,748.358654 | ||
https://hackaday.com/2022/03/25/diy-prony-dyno-properly-displays-power-production/ | DIY Prony Dyno Properly Displays Power Production | Ryan Flowers | [
"Engine Hacks"
] | [
"212cc",
"dynamometer",
"dyno",
"engine",
"harbor freight",
"horsepower",
"prony dyno",
"torque"
] | When hackers in the US think of a retailer called Harbor Freight, we usually think of cheap tools, workable but terrible DVM’s, zip ties, and tarps. [Jimbo] over at [Robot Cantina] looked at the 212cc “Predator” engine that they sell and thought “I bet I could power my Honda Insight with that.” And he did, successfully... | 13 | 5 | [
{
"comment_id": "6451160",
"author": "HaHa",
"timestamp": "2022-03-26T00:00:40",
"content": "212 cc?Why didn’t he just get a French car?To be fair. This is symmetry to my mouse (small block Chevy V8 for the eurotrash) powered push mower.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,748.296644 | ||
https://hackaday.com/2022/03/25/diy-sls-3d-printer-getting-ready-to-print/ | DIY SLS 3D Printer Getting Ready To Print | Dave Rowntree | [
"3d Printer hacks"
] | [
"3d printed",
"klipper",
"raspberry pi",
"selective laser sintering",
"sls"
] | Ten years ago the concept of having on our desks an affordable 3D printer knocking out high quality reproducible prints, with sub-mm accuracy, in a wide range of colours and material properties would be the would be just a dream. But now, it is reality. The machines that are now so ubiquitous for us hackers, are largel... | 12 | 4 | [
{
"comment_id": "6451099",
"author": "DC",
"timestamp": "2022-03-25T20:14:13",
"content": "If only a 5W laser is needed, I would just mount the laser head on an XY stage and call it a day. Galvanometers and mirrors are just a never ending headache, constantly drifting out of adjustment, degrading, ... | 1,760,372,748.687439 | ||
https://hackaday.com/2022/03/25/a-robot-game-to-open-your-hackerspace/ | A Robot Game To Open Your Hackerspace | Jenny List | [
"Hackerspaces",
"Robots Hacks"
] | [
"Hackerspace Drenthe",
"robot",
"tic-tac-toe"
] | It’s always good to welcome a new hackerspace to the fold, and thus we’re pleased to hear about the upcoming opening of Hackerspace Drenthe, on the north-eastern edge of the Netherlands. Starting a new space during a global pandemic is something of a feat. As part of their opening something is required to demonstrate a... | 1 | 1 | [
{
"comment_id": "6451071",
"author": "Alan Frost",
"timestamp": "2022-03-25T18:48:37",
"content": "Spending time in our makespace before the pandemic, we constantly were looking for cool projects for the new attendees to get into! Excellent project!",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,748.40007 | ||
https://hackaday.com/2022/03/25/high-noon-for-daylight-savings-time/ | High Noon For Daylight Savings Time | Elliot Williams | [
"Interest",
"Original Art",
"Rants"
] | [
"daylight saving time",
"economics",
"policy",
"Rant",
"sundial"
] | The US Senate has approved the “Sunshine Protection Act”, a bill to
make Daylight Saving time the default time
and do away with the annual time changes. While I can get behind the latter half of this motion, redefining Daylight Saving time as Standard time is, in my opinion, nonsense.
It’s particularly funny timing, co... | 103 | 37 | [
{
"comment_id": "6451035",
"author": "Michael Black",
"timestamp": "2022-03-25T17:07:12",
"content": "Don’t forget, there was an earlier change. In the late seventies or early eighties, the clocks changed earlier, the last Sunday of October as I recall. It impacted Halloween. I think the spring d... | 1,760,372,748.919654 | ||
https://hackaday.com/2022/03/25/hackaday-podcast-161-laser-lithography-centurion-hard-drive-and-mad-bga-soldering/ | Hackaday Podcast 161: Laser Lithography, Centurion Hard Drive, And Mad BGA Soldering | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Join Hackaday Editor-in-Chief Elliot Williams and Staff Writer Dan Maloney for an audio tour of the week’s top stories and best hacks. We’ll look at squeezing the most out of a coin cell, taking the first steps towards DIY MEMS fabrication, and seeing if there’s any chance that an 80’s-vintage minicomputer might ride a... | 0 | 0 | [] | 1,760,372,748.491805 | ||
https://hackaday.com/2022/03/25/label-your-smd-tapes-with-an-inkjet-printer/ | Label Your SMD Tapes With An Inkjet Printer | Jenny List | [
"Tool Hacks"
] | [
"component tape",
"HP46",
"inkjet"
] | If you’ve ever had to use SMD components on tape outside the realm of the automated assembly machines for which they were designed, you’ll know that one tape looks very like another and it can be very annoying to keep track of which is which. We can’t help admiring [Yvo de Haas’]
inkjet printer for SMD tapes
then, whic... | 15 | 9 | [
{
"comment_id": "6451033",
"author": "splud",
"timestamp": "2022-03-25T17:00:19",
"content": "Good for paper tape, so largely resistors and capacitors, but most other components are plastic tape. Any solutions for those?",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,748.453392 | ||
https://hackaday.com/2022/03/25/this-week-in-security-browser-in-the-browser-mass-typo-squatting-and-dev-random-upgrades/ | This Week In Security: Browser In The Browser, Mass Typo-squatting, And /dev/random Upgrades | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks"
] | [
"Lapsus$",
"linux",
"This Week in Security",
"typosquatting"
] | For every very clever security protocol that keeps people safe,
there’s a stupid hack that defeats it
in an unexpected way. Take OAuth for instance. It’s the technology that sites are using when they offer to “log in with Facebook”. It’s a great protocol, because it lets you prove your identity using a trusted third pa... | 19 | 6 | [
{
"comment_id": "6451023",
"author": "tomás zerolo",
"timestamp": "2022-03-25T15:54:46",
"content": "[OAuth] “… It’s a great protocol…”No, it’s not. It’s a Rube Goldberg, and as we see, a bunch of mishaps waiting to happen.The driving force is the Big Ones, who want to stick their proboscis into eve... | 1,760,372,748.640329 | ||
https://hackaday.com/2022/03/25/designed-from-scratch-and-fully-handmade-the-modular-coleman-z80-computer/ | Designed From Scratch And Fully Handmade: The Modular Coleman Z80 Computer | Robin Kearey | [
"Retrocomputing"
] | [
"16x2 LCD",
"homebrew computer",
"modular hardware",
"z80"
] | While the phrase “I built my own computer” might sound impressive to the uninitiated, anyone with an interest in modern computer hardware knows that there’s really not much to it: buy a case, a motherboard with a CPU, some RAM and peripherals, and you’re pretty much there. What’s way more impressive is designing a comp... | 34 | 10 | [
{
"comment_id": "6450949",
"author": "Doug Leppard",
"timestamp": "2022-03-25T11:26:03",
"content": "This brings back memories. My first from the ground up was an 8008, I had to build everything. Next computer was a z80 cpm based computer built not quite from ground up but almost. But I never wan... | 1,760,372,748.568144 | ||
https://hackaday.com/2022/03/25/custom-controller-ups-heat-pump-efficiency/ | Custom Controller Ups Heat Pump Efficiency | Bryan Cockfield | [
"green hacks",
"home hacks"
] | [
"efficiency",
"Heat pump",
"heating",
"plumbing",
"siphoning",
"tank",
"temperature",
"timer",
"water"
] | Heat Pumps are an extremely efficient way to maintain climate control in a building. Unlike traditional air conditioners, heat pumps can also effectively work in reverse to warm a home in winter as well as cool it in summer; with up to five times the efficiency of energy use as a traditional electric heater. Even with ... | 59 | 12 | [
{
"comment_id": "6450926",
"author": "Viktor",
"timestamp": "2022-03-25T10:07:20",
"content": "I don’t use that much hot water to justify a heat pump, ever.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6450932",
"author": "Daniel",
"timesta... | 1,760,372,749.124078 | ||
https://hackaday.com/2022/03/24/lego-sorting-vacuum-defeats-the-problem/ | LEGO-Sorting Vacuum Defeats The Problem | Kristina Panos | [
"Misc Hacks"
] | [
"lego",
"LEGO sorting",
"shop vac",
"vacuum"
] | What’s the worst thing about LEGO? Most would agree that it’s the fact that those bright and colorful pieces of ABS are somehow the most evil thing that can come between your bare feet and solid ground. [Unnecessary Inventions] have done a one-eighty from their handle and made a quite useful invention —
a LEGO-sorting ... | 17 | 13 | [
{
"comment_id": "6450870",
"author": "X",
"timestamp": "2022-03-25T06:39:48",
"content": "I do still play with my Lego blocks but I actually prefer to keep them all mixed up together in a big shopping bag, it is actually easier to find what you need because there is a lovely assortment of blocks rig... | 1,760,372,749.033092 | ||
https://hackaday.com/2022/03/24/pispy-the-camera-setup-designed-to-make-biological-observations-better/ | PiSpy, The Camera Setup Designed To Make Biological Observations Better | Dan Maloney | [
"Science"
] | [
"biology",
"raspberry pi",
"science"
] | Back in grad school, we biology students were talking shop at lunch one day. We “lab rats” were talking about the tools of the trade, which for most of us included things like gel electrophoresis, restriction endonucleases, and polymerase chain reaction. Not to be left out, a fellow who studied fire ants chimed in that... | 3 | 3 | [
{
"comment_id": "6451009",
"author": "Thinkerer",
"timestamp": "2022-03-25T15:01:47",
"content": "From the preprint.Github for the project:https://github.com/gpask/PiSpyForum:https://forum.openhardware.science/c/projects/pispy/58",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,749.20062 | ||
https://hackaday.com/2022/03/24/desktop-performance-in-a-custom-mac-laptop/ | Desktop Performance In A Custom Mac Laptop | Bryan Cockfield | [
"News"
] | [
"3d print",
"apple",
"battery",
"custom",
"design",
"ipad",
"laptop",
"M1",
"mac",
"mac mini",
"Thermal"
] | Most of us either own or have used a laptop at some point. For traveling, as a student, or even for browsing Hackaday on the couch in front of the TV, they are pretty much indispensable. They do tend to have a sharp performance reduction compared to a desktop though thanks to the thermal and battery limitations of a po... | 17 | 1 | [
{
"comment_id": "6450874",
"author": "Dude",
"timestamp": "2022-03-25T06:47:22",
"content": "All-in-one machines such as the Mac Mini do suffer from the same issues – they are after all just laptop parts stuffed inside a different case.I don’t see any advantage from this build except for the touchs... | 1,760,372,749.437686 | ||
https://hackaday.com/2022/03/24/used-facemasks-turned-into-rapid-antigen-tests-with-injection-molding/ | Used Facemasks Turned Into Rapid Antigen Tests With Injection Molding | Dan Maloney | [
"green hacks"
] | [
"Covid-19",
"injection molding",
"mask",
"mold",
"polypropylene",
"PPE",
"rapid prototyping",
"sla",
"tooling"
] | Here’s a little eye-opener for you: next time you’re taking a walk, cast your eyes to the ground for a bit and see how far you can go without spotting a carelessly discarded face mask. In our experience, it’s no more than a block or two, especially if you live near a school. Masks and other disposal artifacts of the CO... | 15 | 6 | [
{
"comment_id": "6450728",
"author": "Saabman",
"timestamp": "2022-03-24T20:04:18",
"content": "COVID 19, the gift that keeps on giving",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6450735",
"author": "come2",
"timestamp": "2022-03-24T20:39:35",
... | 1,760,372,749.252473 | ||
https://hackaday.com/2022/03/24/a-minidisc-optical-head-has-a-few-surprises-up-its-sleeve/ | A MiniDisc Optical Head Has A Few Surprises Up Its Sleeve | Jenny List | [
"home entertainment hacks"
] | [
"cd",
"laser",
"minidisc"
] | There was an odd era at the start of the 1990s when CDs had taken the lead from vinyl in pre-recorded music, but for consumer recordable formats the analogue cassette was still king. A variety of digital formats came to market to address this, of which Sony’s MiniDisc was the only one to gain significant traction outsi... | 46 | 13 | [
{
"comment_id": "6450694",
"author": "Jonathan Bennett",
"timestamp": "2022-03-24T18:42:36",
"content": "I got my hands on some pro Minidisc hardware in the 2000s, and really loved the format, except for one glaring weakness. There wasn’t a way to dump the audio data to a computer. So to transfer a ... | 1,760,372,749.38327 | ||
https://hackaday.com/2022/03/24/remoticon-2021-jay-doscher-proves-tinkercad-isnt-just-for-kids/ | REMOTICON 2021 // Jay Doscher Proves Tinkercad Isn’t Just For Kids | Michael Shaub | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"3D CAD",
"3D Printering",
"cad",
"cyberdeck",
"educational",
"online service",
"tinkercad"
] | We invited [Jay Doscher] to give us a view into his process designing 3D printed parts for the impressive array of
cyberdecks we’ve covered since 2019
.
[Jay] got his start as a maker through woodworking in high school, getting satisfaction from bringing something from idea to reality. After a more recent class in blac... | 20 | 10 | [
{
"comment_id": "6450671",
"author": "Eric Mockler",
"timestamp": "2022-03-24T17:36:43",
"content": "Yes, Tinkercad is pretty good. There most certainly is a library of common components, shapes or primitives. The memory & size limitations are what I bump into, which force me to break things up some... | 1,760,372,749.507001 | ||
https://hackaday.com/2022/03/24/you-draw-it-cnc-cuts-it/ | You Draw It, CNC Cuts It | Elliot Williams | [
"cnc hacks"
] | [
"gcode",
"Octoprint",
"opencv",
"path planning",
"webcam"
] | [Jamie] aka [vector76] hit us with a line-tracing plugin for OctoPrint that cuts out whatever 2D shape you draw on a piece of wood. The plugin lets you skip the modeling step entirely, going straight from a CNC-mounted webcam that
reads your scribbles and gives you a Gcode toolpath
in return.
The code is on GitHub
and ... | 13 | 8 | [
{
"comment_id": "6450641",
"author": "Andy Pugh",
"timestamp": "2022-03-24T15:55:25",
"content": "LinuxCNC has supported webcams for quite some time, but there is nothing like this level of integration.https://forum.linuxcnc.org/qtvcp/40032-qtvcp-cam-view-dialogHowever, I saw a demo of a Datron mill... | 1,760,372,749.305693 | ||
https://hackaday.com/2022/03/24/tech-in-plain-sight-car-doors/ | Tech In Plain Sight: Car Doors | Al Williams | [
"Engineering",
"Featured",
"Interest",
"Slider"
] | [
"automobile",
"car",
"power door locks",
"power window"
] | There are a lot of common phrases that no longer mean what they used to. For example, you may have used the term “turn on the lights.” What are you actually
turning
? Where does this come from? Old gas lights had a valve that you did physically turn, and the phrase simply stuck around. Kids of the 90s have no idea why ... | 54 | 15 | [
{
"comment_id": "6450596",
"author": "helge",
"timestamp": "2022-03-24T14:07:18",
"content": "No need to speculate about H bridges, check out the earlier article on Tesla mechanism iterations.https://hackaday.com/2021/09/16/tesla-door-handle-improvements/",
"parent_id": null,
"depth": 1,
... | 1,760,372,749.650077 | ||
https://hackaday.com/2022/03/24/opencv-brings-pinch-to-zoom-into-the-real-world/ | OpenCV Brings Pinch To Zoom Into The Real World | Bryan Cockfield | [
"Machine Learning"
] | [
"camera",
"control",
"gesture",
"IRL",
"opencv",
"real life",
"servo"
] | Gesture controls arrived in the public consciousness a little over a decade ago as touchpads and touchscreens became more popular. The main limitation to gesture controls, a least as far as [Norbert] is concerned, is that they can only control objects in a virtual space. He was hoping to use gestures to control a real-... | 11 | 8 | [
{
"comment_id": "6450533",
"author": "Alex",
"timestamp": "2022-03-24T11:05:51",
"content": "hahahaha, that was genius ! zoom in and the picture comes to you ! hahaha great",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6450548",
"author": "Gravis",
"t... | 1,760,372,749.556757 | ||
https://hackaday.com/2022/03/24/copper-modding-helps-cool-a-toasty-gpu/ | Copper Modding Helps Cool A Toasty GPU | Lewin Day | [
"computer hacks"
] | [
"copper",
"copper modding",
"heatsink"
] | [DandyWorks] had an NVIDIA RTX 3070 Ti GPU, and found it was running incredibly hot, with the card’s memory hitting temperatures of 110 °C. He decided to try “copper modding” to solve the problem,
and made some impressive improvements along the way.
Copper modding is where small copper shims are used to connect hot chi... | 35 | 12 | [
{
"comment_id": "6450475",
"author": "CampGareth",
"timestamp": "2022-03-24T08:08:11",
"content": "“with its memory at a much cooper temperature”Copper on the mind? :P",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6450501",
"author": "Elliot William... | 1,760,372,749.966812 | ||
https://hackaday.com/2022/03/23/air-football-looks-pro/ | Air Football Looks Pro | Al Williams | [
"Arduino Hacks",
"Games"
] | [
"air hockey",
"football",
"soccer"
] | If you are an American, you’d probably think of [Silas Hansen’s] project as “air soccer” but most people will prefer
air football
. Either way, it is like air hockey but more of a football field feel. The project looks great — if you saw this on the shelves of the local toy store, you wouldn’t think anything of it. You... | 9 | 4 | [
{
"comment_id": "6450431",
"author": "Saabman",
"timestamp": "2022-03-24T05:11:34",
"content": "That looks great – I was supposed to see he painted the play field – I was expecting that to be printed in vinyl either way it looks great",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,372,749.695373 | ||
https://hackaday.com/2022/03/23/finally-a-mapping-tool-for-addressable-led-strings/ | Finally, A Mapping Tool For Addressable LED Strings | Lewin Day | [
"LED Hacks"
] | [
"addressable leds",
"led",
"led mapper",
"ws2812b"
] | Addressable LED strings have made it easier than ever to build fun glowable projects with all kinds of exciting animations. However, if you’re not going with a simple grid layout, it can be a little difficult to map your strings out in code. Fear not, for [Jason Coon] has provided a tool
to help out with just that!
[Ja... | 30 | 10 | [
{
"comment_id": "6450391",
"author": "Leedan Johnson",
"timestamp": "2022-03-24T02:49:02",
"content": "Careful. This is patented by twinklylights unless I’m mistaken.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6450408",
"author": "lasdfiwerj",
... | 1,760,372,749.762743 | ||
https://hackaday.com/2022/03/23/brick-and-motor-table-saw-delivers-paper-cuts-on-demand/ | Brick And Motor Table Saw Delivers Paper Cuts On Demand | Ryan Flowers | [
"classic hacks"
] | [
"lego",
"papercut",
"power tools",
"table saw"
] | Twenty Two Motors. Fifty gears. Eighty Two Hundred RPM. Hundreds of individual pieces, and one sheet of glossy paper cut into a disk. This isn’t a nightmare driven Rube Goldberg machine. Instead, it’s a Lego monstrosity created by [GazR] of [GazR’s Extreme Brick Machines!], and all of these parts are flying in formatio... | 11 | 6 | [
{
"comment_id": "6450326",
"author": "Don Latham",
"timestamp": "2022-03-23T23:17:38",
"content": "Not anywhere near me!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6450340",
"author": "Jonathan Wilson",
"timestamp": "2022-03-24T00:12:31",
"cont... | 1,760,372,750.073022 | ||
https://hackaday.com/2022/03/23/lego-car-demonstrates-proper-use-of-ball-wheels/ | Lego Car Demonstrates Proper Use Of Ball Wheels | Lewin Day | [
"Misc Hacks"
] | [
"ball wheel",
"ball wheels",
"car",
"lego"
] | Wheels are typically just simple cylinders, though fans of
I, Robot (2004)
may have admired the handsome vehicle featuring ball wheels that was driven by the protagonist. YouTuber [Brick Technology] decided to evaluate the use of spherical wheels
with a Lego car design.
The benefit of ball wheels is that they can turn ... | 22 | 7 | [
{
"comment_id": "6450278",
"author": "RetepV",
"timestamp": "2022-03-23T20:05:26",
"content": "So, instead of a mouse with one ball clogging up every few days, you now have a car with 4 balls that clogging up every few days. :)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,750.026853 | ||
https://hackaday.com/2022/03/23/3d-printing-concept-car-parts/ | 3D Printing Concept Car (Parts) | Al Williams | [
"car hacks",
"Engineering"
] | [
"3d printing",
"automotive",
"concept vehicle"
] | When you want to fabricate something you either start with something and take away what you don’t want — subtractive manufacturing — or you start with nothing and add material, which is additive manufacturing that we usually call 3D printing.
Popular Science
recently took a look inside Vital Auto
, the British lab that... | 6 | 2 | [
{
"comment_id": "6450286",
"author": "tekkieneet",
"timestamp": "2022-03-23T20:28:17",
"content": "It is all fine and handy for prototyping. At some point they’ll need to be able to mass produce the new design using cost effective conventional techniques. i.e. Sheet metals bend, pressed etc to what... | 1,760,372,750.171161 | ||
https://hackaday.com/2022/03/23/old-school-mechanical-pong-still-amazes/ | Old School MechanicalPongStill Amazes | Elliot Williams | [
"classic hacks",
"Games"
] | [
"lightbulb",
"linkages",
"mechanical design",
"pong"
] | [Tom], of the YouTube channel
ThingsTomLike
, found a very sweet little mechanical
Pong
clone at a thrift store. It came in broken, but in only fifteen minutes of your time, [Tom] manages a
complete teardown and repair
. (Video, embedded below.)
The game works by balancing a lightbulb on the end of a pivot arm that pro... | 14 | 9 | [
{
"comment_id": "6450202",
"author": "cliff claven",
"timestamp": "2022-03-23T15:42:07",
"content": "I remember this well. The most amazing thing to me was a little conical drumhead and hammer that make a very realistic ping-pong ball “pock” sound when the ‘ball’ hits something. This one doesn’t see... | 1,760,372,750.12614 | ||
https://hackaday.com/2022/03/23/two-dimensional-polymer-is-a-new-ultra-strong-material/ | Two-Dimensional Polymer Is A New Ultra-Strong Material | Lewin Day | [
"Hackaday Columns",
"Science",
"Slider"
] | [
"Chemistry",
"materials science",
"plastics",
"polymer",
"science"
] | Plastics, by and large, are well-understood materials. Not as strong as most metals, but often much lighter, these man-made polymers have found innumerable applications that have revolutionized the way we live. The properties of plastics have been improved in many ways over the years, with composite materials like fibe... | 26 | 8 | [
{
"comment_id": "6450168",
"author": "Andrew",
"timestamp": "2022-03-23T14:04:23",
"content": "Plastics.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6450174",
"author": "Dude",
"timestamp": "2022-03-23T14:16:15",
"content": "https:... | 1,760,372,750.235293 | ||
https://hackaday.com/2022/03/23/breathe-easy-with-this-led-air-sensor-necklace/ | Breathe Easy With This LED Air Sensor Necklace | Lewin Day | [
"LED Hacks",
"Wearable Hacks"
] | [
"ESP32",
"led",
"necklace",
"wearable"
] | When you’re building wearables and glowables, sometimes a flashy rainbow animation is all you need. [Geeky Faye] likes to go a little further, however, and built this impressive necklace
that serves to inform on the local air quality.
The necklace consists of a series of Neopixel LED strips, housed within a tidy 3D pri... | 8 | 6 | [
{
"comment_id": "6450125",
"author": "kuro68k",
"timestamp": "2022-03-23T12:08:30",
"content": "I’ve been thinking about something like this for years. Small enough to wear, decent battery life, warns about low air quality.It’s the battery life that’s the problem. Air quality sensors use quite a lot... | 1,760,372,750.290151 | ||
https://hackaday.com/2022/03/23/ken-shirriff-takes-a-bite-of-the-apple-i/ | [Ken Shirriff] Takes A Bite Of The Apple-I | Al Williams | [
"Retrocomputing",
"Reverse Engineering"
] | [
"Apple 1",
"ic decapsulation",
"ken shirriff",
"shift register"
] | The Apple-I was a far cry from Apple’s later products. A $666 single-board computer, the product had some unique design features including using a shift register for video memory to save money. The shift registers of the day required high-current clock pulses that ranged from -11 to 5V and there was a DS0025 clock driv... | 7 | 3 | [
{
"comment_id": "6450171",
"author": "Michael Black",
"timestamp": "2022-03-23T14:09:52",
"content": "There was this time when long shift registers were the viable memory. Don Lancaster’s first TV Typewriter is said to have used it. The Apple I was a computer with an attached video terminal, so whi... | 1,760,372,750.334623 | ||
https://hackaday.com/2022/03/22/wireshark-https-decryption/ | Wireshark HTTPS Decryption | Al Williams | [
"Network Hacks"
] | [
"encryption",
"https",
"ssl",
"wireshark"
] | If you’ve done any network programming or hacking, you’ve probably used Wireshark. If you haven’t, then you certainly should. Wireshark lets you capture and analyze data flowing over a network — think of it as an oscilloscope for network traffic. However, by design, HTTPS traffic doesn’t give up its contents. Sure, you... | 48 | 11 | [
{
"comment_id": "6450010",
"author": "Jouni",
"timestamp": "2022-03-23T05:20:28",
"content": "99% times we don’t need the protection of HTTPS. I’ve started to think HTTPS is mostly actually against us; we cannot see what kind of information apps are sending. And yes part of it is “metrics” of us.Re... | 1,760,372,750.423058 | ||
https://hackaday.com/2022/03/22/quick-hacks-using-staples-when-recapping-motherboards/ | Quick Hacks: Using Staples When Recapping Motherboards | Dave Rowntree | [
"Tool Hacks"
] | [
"apple",
"hot air rework",
"retrocomputing",
"Staples"
] | [Marcio Teixeira] needed to recap an old Apple Macintosh motherboard, and came across a
simple hack to use common paper staples as a temporary heat shield
(video, embedded below) during hot air rework. The problem with hot air rework is minimizing collateral damage; you’re wielding air at a temperature hot enough to me... | 23 | 9 | [
{
"comment_id": "6450018",
"author": "Ondřej Petrlík",
"timestamp": "2022-03-23T05:59:36",
"content": "good idea, I’ve been using self-adhesive aluminium foil for years to protect the surrounding parts, which is otherwise used for air conditioning",
"parent_id": null,
"depth": 1,
"replie... | 1,760,372,750.48643 | ||
https://hackaday.com/2022/03/22/nvidia-unveils-jetson-agx-orin-developer-kit/ | NVIDIA Unveils Jetson AGX Orin Developer Kit | Tom Nardi | [
"Artificial Intelligence",
"News"
] | [
"edge computing",
"Jetson",
"NVIDIA",
"Orin"
] | When you think of high-performance computing powered by NVIDIA hardware, you probably think of applications leveraging the capabilities of the company’s graphics cards. In many cases, you’d be right. But naturally there are situations where the traditional combination of x86 computer and bolt-on GPU simply isn’t going ... | 14 | 8 | [
{
"comment_id": "6449993",
"author": "ian 42",
"timestamp": "2022-03-23T04:07:02",
"content": "wow 275 TFOPS for the AGX Orin 64 GB. That might almost run windows 11..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6449995",
"author": "M",
"timestamp":... | 1,760,372,750.551569 | ||
https://hackaday.com/2022/03/22/absolem-is-a-rabbit-hole-keyboard-build/ | Absolem Is A Rabbit Hole Keyboard Build | Kristina Panos | [
"Peripherals Hacks"
] | [
"keyboard",
"nRF52",
"one-piece split keyboard",
"split keyboard",
"yaml"
] | This is usually how it happens — [mrzealot] had been using some awful chiclet-style keyboard without much of a care, and topping out at 50-60 WPM using an enhanced hunt-and-peck method. But he really wanted back-lighting, and so got his first taste of the mech life with a Master Keys Pro S. Hooked,
[mrzealot] started r... | 4 | 4 | [
{
"comment_id": "6449884",
"author": "Foldi-One",
"timestamp": "2022-03-22T21:38:34",
"content": "Pretty sure that layout isn’t for me, but it does look really special.For me the actuation force doesn’t seem all that heavy pretty sure the IBM keyboards I so love are considerably heavier, though I do... | 1,760,372,750.598012 | ||
https://hackaday.com/2022/03/22/tune-your-dish-antenna-like-a-pro/ | Tune Your Dish Antenna Like A Pro | Elliot Williams | [
"Radio Hacks",
"Tool Hacks"
] | [
"dish",
"laser rangefinder",
"satellite"
] | It’s a problem we all have at one time or another: your five-meter radio astronomy dish gets out of calibration and you don’t have a ridiculously expensive microwave holography rig on hand to diagnose it. OK, maybe this isn’t
your
problem, but when [Joe Martin]’s parabolic antenna got out of whack, he set out to diagno... | 10 | 7 | [
{
"comment_id": "6449804",
"author": "Gravis",
"timestamp": "2022-03-22T17:41:59",
"content": "Oh good. I was having problems picking up transmissions from Turkmenistan. ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6449824",
"author": "tyjtyj",
"... | 1,760,372,750.640344 | ||
https://hackaday.com/2022/03/22/old-printer-becomes-direct-laser-lithography-machine/ | Old Printer Becomes Direct Laser Lithography Machine | Dan Maloney | [
"Laser Hacks"
] | [
"etching",
"galvanometer",
"galvo",
"integrated circuit",
"laser",
"lithography",
"MEMS",
"optical",
"silicon"
] | What does it take to make your own integrated circuits at home? It’s a question that relatively few intrepid hackers have tried to answer, and the answer is usually something along the lines of “a lot of second-hand equipment.” But it doesn’t all have to be cast-offs from a semiconductor fab, as [Zachary Tong] shows us... | 22 | 6 | [
{
"comment_id": "6449768",
"author": "Viktor",
"timestamp": "2022-03-22T16:24:36",
"content": "Perfect for storing bitcoin private keys",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6449776",
"author": "fiddlingjunky",
"timestamp": "2022-03-22T16:45:1... | 1,760,372,751.137506 | ||
https://hackaday.com/2022/03/22/the-new-phone-blues-a-reminder-that-hackers-shouldnt-settle/ | The New-Phone Blues: A Reminder That Hackers Shouldn’t Settle | Dan Maloney | [
"Medical Hacks",
"Rants",
"Slider"
] | [
"app",
"cgm",
"ClickSend",
"compatibility",
"continuous glucose monitor",
"diabetes",
"MacroDroid",
"Pixel 6",
"smartphone",
"sms"
] | For all the convenience and indispensability of having access to the sum total of human knowledge in the palm of your hand, the actual process of acquiring and configuring a smartphone can be an incredibly frustrating experience. Standing in those endless queues at the cell phone store, jumping through the administrati... | 67 | 36 | [
{
"comment_id": "6449706",
"author": "Ostracus",
"timestamp": "2022-03-22T14:20:41",
"content": "“That’s a lot of things that can break. I’d really like to cut out all those middlemen and build a widget that directly receives the RF signals from my daughter’s CGM and sounds some local alarms if she ... | 1,760,372,750.987989 | ||
https://hackaday.com/2022/03/22/satellite-snoopers-pick-up-surprising-tv-broadcast/ | Satellite Snoopers Pick Up Surprising TV Broadcast | Jenny List | [
"Radio Hacks",
"Space"
] | [
"Meridian 9",
"satellite",
"tv"
] | While Internet based streaming services appear to be the future of television, there are still plenty of places where it comes into the home via a cable, satellite, or antenna connection. For most satellite transmissions this now means a digital multiplex carrying a host of channels from a geostationary satellite, for ... | 25 | 7 | [
{
"comment_id": "6449645",
"author": "JoseMonkey",
"timestamp": "2022-03-22T11:45:56",
"content": "How does a geostationary satellite randomly pass through a beam from a terrestrial transmitter? Isn’t the whole idea with a geostationary sat that it’s (from an Earth-based perspective) motionless and... | 1,760,372,751.200759 | ||
https://hackaday.com/2022/03/22/hacked-gdb-dashboard-puts-it-all-on-display/ | Hacked GDB Dashboard Puts It All On Display | Al Williams | [
"Linux Hacks",
"Software Development",
"Software Hacks"
] | [
"debugging",
"gdb",
"linux",
"python"
] | Not everyone is a fan of GUI interfaces. But some tasks really lend themselves to something over a bare command line. Very few people enjoy old command line text editors like edlin or ed. Debugging is another task where showing source files and variables at all times makes sense. Of course, you don’t absolutely have to... | 20 | 7 | [
{
"comment_id": "6449604",
"author": "Viktor",
"timestamp": "2022-03-22T09:40:04",
"content": "just install Eclipse",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6449623",
"author": "JohnU",
"timestamp": "2022-03-22T10:33:28",
"conte... | 1,760,372,750.868923 | ||
https://hackaday.com/2022/03/21/ir-remote-transforms-to-rf/ | IR Remote Transforms To RF | Al Williams | [
"Misc Hacks"
] | [
"ir",
"remote",
"RF",
"rf remote",
"rf remote control"
] | Most consumer remote controls operate using infrared light. This works well assuming the piece of equipment has a line of sight to the remote. But if you have, say a receiver in a cabinet or closet, the IR remote signal can’t reach the sensor. Some equipment has remote receivers that you can leave poking out, but it is... | 13 | 8 | [
{
"comment_id": "6449568",
"author": "vib",
"timestamp": "2022-03-22T07:10:52",
"content": "Wonderful Now anybody in the vicinity can control your devices, even through walls.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6449703",
"author": "Al Wil... | 1,760,372,751.355035 | ||
https://hackaday.com/2022/03/21/web-serial-terminal-means-its-always-hacking-time/ | Web Serial Terminal Means It’s Always Hacking Time | Tom Nardi | [
"Software Hacks"
] | [
"chrome",
"chromebook",
"Web Serial API"
] | Arguably one of the most important pieces of software to have in your hardware hacking arsenal is a nice serial terminal emulator. There’s plenty of choice out there, from classic command line tools to flashier graphical options, which ultimately all do the same thing in the end: let you easily communicate with gadgets... | 66 | 25 | [
{
"comment_id": "6449497",
"author": "Feinfinger (today just a moderate meanie)",
"timestamp": "2022-03-22T02:11:16",
"content": "Scary.Someday I’ll awake in a browser.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6449515",
"author": "Hellion666",
"t... | 1,760,372,751.307259 | ||
https://hackaday.com/2022/03/21/your-vacuum-cleaner-follows-you/ | Your Vacuum Cleaner Follows You | Al Williams | [
"Arduino Hacks",
"Kinect hacks",
"Robots Hacks"
] | [
"Kinect",
"robot"
] | There are several projects you can imagine where it would be useful to have a robot follow you. For example, we’ve always wanted luggage that would trail us at the airport and we’ve seen several coolers that will follow you. [Madmax95] apparently dream of having a medical cart following a patient, though, and that’s go... | 9 | 6 | [
{
"comment_id": "6449457",
"author": "rclark",
"timestamp": "2022-03-21T23:16:15",
"content": "Neat idea.By the way AdaFruit sells a already made for action product “iRobot Create® 2 Programmable Robot” that all you have to do is add all your equipment (say RPI board, with a camera, etc.) top side ... | 1,760,372,751.398758 | ||
https://hackaday.com/2022/03/21/home-made-scanning-electron-microscope-show-some-potential/ | Home Made Scanning Electron Microscope Shows Some Potential | Dave Rowntree | [
"Tool Hacks"
] | [
"scanning electron microscope",
"sem"
] | Scanning electron microscopes are one of those niche instruments that most of us don’t really need all the time, but would still love to have access to once in a while. Although we’ve covered a few attempts at home-builds before, many have faltered, except this
project over on Hackday.IO
by user
Vini’s Lab,
which appea... | 7 | 6 | [
{
"comment_id": "6449398",
"author": "Hash",
"timestamp": "2022-03-21T20:27:23",
"content": "Wow! Love everything about this and want to build one too!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6449462",
"author": "CRJEEA",
"timestamp": "2022-03-2... | 1,760,372,751.451763 | ||
https://hackaday.com/2022/03/21/desk-accessory-pays-homage-to-macintosh/ | ‘Desk Accessory’ Pays Homage To Macintosh | Chris Wilkinson | [
"Raspberry Pi",
"Retrocomputing"
] | [
"e-ink",
"mac",
"macintosh",
"python",
"raspberry pi",
"system 6",
"system six"
] | The retrocomputing community are experts at keeping vintage Apple iron running, but if you’re looking for a simpler way to pay homage to the original Mac, check out this
Raspberry Pi powered ‘desk accessory’
by [John Calhoun], fittingly called ‘SystemSix’.
Housed inside a delightfully Mac-shaped piece of laser-cut acry... | 9 | 7 | [
{
"comment_id": "6449358",
"author": "Joshua",
"timestamp": "2022-03-21T18:34:49",
"content": "MoonTool! 😃❤️",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6449380",
"author": "joelfinkle",
"timestamp": "2022-03-21T19:13:57",
"content": "I know a ... | 1,760,372,751.627216 | ||
https://hackaday.com/2022/03/19/worlds-smallest-hair-straightener-for-fixing-old-lcd-ribbons/ | World’s Smallest Hair Straightener For Fixing Old LCD Ribbons | Arya Voronova | [
"handhelds hacks",
"Repair Hacks"
] | [
"cable",
"fixes",
"gaming",
"lcd",
"LCD repair",
"Liquid crystal display",
"repair",
"restoration",
"ribbon",
"ribbon cable",
"tiger 99x"
] | [Stephen] writes to us about
an LCD repair tool
he has created. We’ve all seen old devices with monochrome LCDs connected by thin film, where connections between the PCB and the LCD have deteriorated and the LCD would no longer show parts of the picture. This is a connection heating gadget, that [Stephen] affectionatel... | 8 | 2 | [
{
"comment_id": "6448641",
"author": "Lee Studley",
"timestamp": "2022-03-20T01:15:38",
"content": "Kantian wire? Not heard of that. Is it Nichrome?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6448644",
"author": "Matt",
"timestamp": "2022... | 1,760,372,751.511395 | ||
https://hackaday.com/2022/03/19/reliving-second-hand-nostalgia-with-the-pdp-11/ | Reliving Second-Hand Nostalgia With The PDP-11 | Jonathan Bennett | [
"Retrocomputing"
] | [
"assembly",
"DEC",
"pdp-11"
] | Levy’s
Hackers: Heroes of the Computer Revolution
is something like required reading for the hacker subculture, and Hackaday by extension. The first section of that book is all about early hackers and their adventures with the PDP-1 at MIT. The PDP-11 has earned a special place in hacker history for being the minicompu... | 31 | 12 | [
{
"comment_id": "6448563",
"author": "komradebob",
"timestamp": "2022-03-19T21:11:24",
"content": "UNIX was not written on a PDP-11, it was written on the PDP-7, then ported to a Interdata 8/32. The PDP-11 certainly shares quite a bit of relevant history with UNIX and the PDP-7, but UNIX predates th... | 1,760,372,751.584449 | ||
https://hackaday.com/2022/03/19/these-mind-controlled-cat-ears-move-with-your-mood/ | These Mind-Controlled Cat Ears Move With Your Mood | Robin Kearey | [
"Wearable Hacks"
] | [
"cat ears",
"eeg",
"mindwave",
"wearable"
] | As any cat owner will tell you, a cat’s ears are great indicators of its state of mind: pointed forward if they want your attention, turned backwards if they’re angry, and folded down flat when they’re afraid. Humans sometimes don cat ear headbands as a fashion statement, but sitting motionless those ears are more like... | 15 | 9 | [
{
"comment_id": "6448476",
"author": "DaBass",
"timestamp": "2022-03-19T17:21:25",
"content": "Interesting read. Almost the same design as Neco Mimi (https://necomimi.shop/en).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6448488",
"author": "Frankel",
... | 1,760,372,751.795702 | ||
https://hackaday.com/2022/03/19/impedance-mismatch/ | Impedance Mismatch | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"impedance",
"mismatch",
"music",
"physics"
] | There are a few classic physics problems that it can really help to have a mental map of. One is, of course, wave propagation. From big-wave surfing, through loudspeaker positioning, to quantum mechanics, having an intuition for the basic dynamics of constructive and destructive interference is key. Total energy of a s... | 66 | 20 | [
{
"comment_id": "6448397",
"author": "Nathan",
"timestamp": "2022-03-19T14:20:00",
"content": "Transformer and buck/boost converter (ebg13!)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6448403",
"author": "limroh",
"timestamp": "2022-03-19... | 1,760,372,752.571763 | ||
https://hackaday.com/2022/03/19/sensor-playground-keeps-track-of-indoor-air-quality-through-the-cloud/ | Sensor Playground Keeps Track Of Indoor Air Quality Through The Cloud | Robin Kearey | [
"home hacks"
] | [
"Air quality sensors",
"modular design",
"sensor interfacing"
] | When [tdw] wasn’t feeling well one day, his wife suggested that it might be due to poor air quality in their home. While an ordinary person could have simply opened a window after hearing such an idea, [tdw] instead showed his true hacker spirit and set about measuring the indoor air quality. He began by designing a si... | 8 | 5 | [
{
"comment_id": "6448357",
"author": "Ben",
"timestamp": "2022-03-19T12:38:33",
"content": "I mean technically *all* air quality sensors “link their data to the cloud”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6448418",
"author": "Piotrsko",
"tim... | 1,760,372,751.744724 | ||
https://hackaday.com/2022/03/19/worlds-worst-i-o-dock-doesnt-deserve-elegant-fix/ | World’s Worst I/O Dock Doesn’t Deserve Elegant Fix | Donald Papp | [
"Peripherals Hacks"
] | [
"3D printed enclosure",
"fail",
"HP thunderbolt"
] | Even spendy commercial products can end up being lemons. This is something [Mike Buss] is familiar with, as he had the misfortune of
being stuck using what he declares is the world’s worst USB hub
, and it’s not even a mystery discount device from overseas: it’s an HP Thunderbolt Dock G2. It is a sort of combination I/... | 63 | 24 | [
{
"comment_id": "6448264",
"author": "Thijzer",
"timestamp": "2022-03-19T08:09:08",
"content": "Makes you think: dowsn’t HP test such devices? I bet it wasn’t even designed by HP itself. I hope so.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6448283",
... | 1,760,372,752.180407 |
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