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https://hackaday.com/2022/05/01/clever-scope-probe-drawers-keep-your-workbench-tidy/ | Clever Scope Probe Drawers Keep Your Workbench Tidy | Robin Kearey | [
"Tool Hacks"
] | [
"3d printed",
"drawers",
"oscilloscope probe",
"probe storage"
] | Probes are an essential component of a good oscilloscope system, but they have the nasty habit of cluttering up your workbench. If you have a four-channel scope, it’s not just several meters of cable that get in the way everywhere, but also four sets of all those little clips, springs, cable markers, and adjustment scr... | 20 | 11 | [
{
"comment_id": "6466947",
"author": "Alex99a",
"timestamp": "2022-05-01T12:05:56",
"content": "Now this one I like. Well done!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6467096",
"author": "Alex99a",
"timestamp": "2022-05-01T23:12:42",
... | 1,760,372,709.439321 | ||
https://hackaday.com/2022/05/01/mini-midi-synth-uses-minimum-number-of-parts/ | Mini MIDI Synth Uses Minimum Number Of Parts | Bryan Cockfield | [
"Musical Hacks"
] | [
"eight bit",
"eight channel",
"ESP32",
"I/O",
"midi",
"music",
"pwm",
"synth",
"synthesizer"
] | The 80s were the golden age of synthesizers in pop music. Hugely complicated setups that spared no expense were the norm, with synths capable of recreating anything from pianos and guitars to percussion, strings, and brass. These types of setups aren’t strictly necessary if you’re looking to make music, though, especia... | 18 | 6 | [
{
"comment_id": "6466923",
"author": "Daniel",
"timestamp": "2022-05-01T08:18:44",
"content": "Please use the ESP32’s DAC. My ears are still hurting from Chiquitita.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6466937",
"author": "Folkert van Heus... | 1,760,372,709.770766 | ||
https://hackaday.com/2022/04/30/learn-sign-language-using-machine-vision/ | Learn Sign Language Using Machine Vision | Bryan Cockfield | [
"Machine Learning"
] | [
"Alphabet",
"american sign language",
"ASL",
"camera",
"computer vision",
"mobilenetv2",
"opencv",
"picamera",
"raspberry pi",
"sign language",
"signapse"
] | Learning a new language is a great way to exercise the mind and learn about different cultures, and it’s great to have a native speaker around to improve the learning experience. Without one it’s still possible to learn via videos, books, and software though. The task does get much more complicated when trying to learn... | 9 | 4 | [
{
"comment_id": "6467126",
"author": "DeafMyles",
"timestamp": "2022-05-02T00:11:26",
"content": "Ack this is pretty cringe-worthy and potentially even harmful to the Deaf community. This “Sign Language AI training tool” is showing INCORRECT hand signs for many classifiers. T, G, P, Q, J (no movemen... | 1,760,372,709.813178 | ||
https://hackaday.com/2022/04/30/clever-stereo-camera-uses-sony-wireless-camera-modules/ | Clever Stereo Camera Uses Sony Wireless Camera Modules | Jenny List | [
"digital cameras hacks"
] | [
"camera",
"stereo camera",
"stereoscopy"
] | Stereophotography cameras are difficult to find, so we’re indebted to [DragonSkyRunner] for sharing
their build of an exceptionally high-quality example
. A stereo camera has two separate lenses and sensors a fixed distance apart, such that when the two resulting images are viewed individually with each eye there is a ... | 13 | 7 | [
{
"comment_id": "6466909",
"author": "Thopter",
"timestamp": "2022-05-01T04:48:31",
"content": "My first thought is how well would this work for photogrammetry?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6466921",
"author": "OGoldman",
"timestamp":... | 1,760,372,709.856009 | ||
https://hackaday.com/2022/04/30/aimbot-does-it-in-hardware/ | Aimbot Does It In Hardware | Bryan Cockfield | [
"Games",
"hardware"
] | [
"aim",
"aim lab",
"aimbot",
"cheat",
"computer vision",
"hardware",
"mouse",
"robot",
"trainer",
"video game"
] | Anyone who has played an online shooter game in the past two or three decades has almost certainly come across a person or machine that cheats at the game by auto-aiming. For newer games with anti-cheat, this is less of a problem, but older games like Team Fortress have been effectively ruined by these aimbots. These t... | 27 | 10 | [
{
"comment_id": "6466876",
"author": "Rick Seiden",
"timestamp": "2022-05-01T00:57:13",
"content": "This is very impressive, and something I couldn’t do. I do have a question, kind of along the lines of, “You could have done that with a 555.” Was there a need for the physical mouse and all the mot... | 1,760,372,709.717872 | ||
https://hackaday.com/2022/04/30/plant-growth-accelerated-tremendously-with-leds/ | Plant Growth Accelerated Tremendously With LEDs | Arya Voronova | [
"green hacks",
"LED Hacks"
] | [
"automated",
"automated plant care",
"automatic gardening",
"gardening",
"grow",
"growing",
"horticulture",
"led",
"photosynthesis",
"plants"
] | [GreatScott!] was bummed to see his greenhouse be empty and lifeless in winter. So, he
set out to take the greenhouse home with him
. Well, at least, a small part of it. First, he decided to produce artificial sunlight, setting up a simple initial experiment for playing with different wavelength LEDs. How much can LEDs... | 37 | 12 | [
{
"comment_id": "6466820",
"author": "The Eternal President Kim Il Sung",
"timestamp": "2022-04-30T20:30:12",
"content": "Where are these people even finding Arduinos in this economy?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6466950",
"author":... | 1,760,372,709.525777 | ||
https://hackaday.com/2022/04/30/hacking-toy-rc-cars-with-the-hackrf-one/ | Hacking Toy RC Cars With The HackRF One | Ryan Flowers | [
"Radio Hacks",
"Software Hacks"
] | [
"gfsk",
"hackrf one",
"R/C car",
"sdr"
] | The origin story for many who’d call themselves a member of the hacker community usually starts with taking things apart as a child just to see how they worked. For [Radoslav], that trend doesn’t seem to have slowed down, and he’s continued taking toys apart. Although since it’s his daughters little radio controlled ca... | 3 | 3 | [
{
"comment_id": "6466861",
"author": "Hirudinea",
"timestamp": "2022-04-30T23:41:23",
"content": "Put a camera on it and you’ve got a tiny robot.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6466942",
"author": "João Paulo Ferreira Claro",
"timestamp... | 1,760,372,709.566013 | ||
https://hackaday.com/2022/04/30/new-tech-and-the-old-ways/ | New Tech And The Old Ways | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"darkroom",
"lcd",
"modern",
"old",
"photography"
] | This week on Hackaday, we featured a project that tickled my nostalgia bone, and proved that there are cool opportunities when bringing new tech to old problems. Let me explain.
[Muth] shared a project with us that
combines old-school analog photography printing with modern LCD screens
. The basic idea is to use a 4K m... | 8 | 4 | [
{
"comment_id": "6466891",
"author": "Jeff Wallin",
"timestamp": "2022-05-01T02:24:05",
"content": "There is huge money to be made in the screenprinting industry with what is described. a huge amount of waste is created in both time and supplies because burning a screen requires actual printed trans... | 1,760,372,709.899175 | ||
https://hackaday.com/2022/04/30/training-doppler-radar-with-smart-watch-imus-data-for-activity-recognition/ | Training Doppler Radar With Smart Watch IMUs Data For Activity Recognition | Maya Posch | [
"home hacks",
"Machine Learning"
] | [
"IMU",
"mmwave radar"
] | When it comes to interpreting sensor data automatically, it helps to have a large data set to assist in validating it, as well as training when it concerns machine learning (ML). Creating this data set with carefully tagged and categorized information is a long and tedious process, which is where the idea of cross-doma... | 3 | 2 | [
{
"comment_id": "6466787",
"author": "AKA the A",
"timestamp": "2022-04-30T15:56:22",
"content": "any info on the sensor used",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6466790",
"author": "Adrian",
"timestamp": "2022-04-30T16:06:22",
... | 1,760,372,709.606158 | ||
https://hackaday.com/2022/04/30/giant-cnc-partners-with-powerful-laser-diode/ | Giant CNC Partners With Powerful Laser Diode | Arya Voronova | [
"cnc hacks",
"Laser Hacks",
"Tool Hacks"
] | [
"cnc",
"diode laser",
"DIY CNC",
"laser cutter",
"laser diode",
"laser engraver",
"lasercutter",
"lasercutting",
"lasers"
] | [Jeshua Lacock] from
3DTOPO
owns a large-format CNC (4’x8′, or 1.2×2.4 m), that he strongly feels is lacking laser-cutting capabilities. The frame is there, and a 150 W CO2 laser tube has been sitting in a box for ages – what else could you need? Sadly, at such a scale, aligning the mirrors is a tough and finicky job –... | 13 | 6 | [
{
"comment_id": "6466704",
"author": "Greg Garriss",
"timestamp": "2022-04-30T08:59:58",
"content": "Iʻve noticed several diode module vendors have been listing their products not by optical output but by power supply rating. “ Wow! 80 watts!”",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,709.654273 | ||
https://hackaday.com/2022/04/29/a-great-resource-for-the-would-be-pinball-machine-builder/ | A Great Resource For The Would-Be Pinball Machine Builder | Dave Rowntree | [
"Games",
"how-to"
] | [
"construction",
"DIY pinball",
"electronics",
"pinball machine",
"retro"
] | Those of us beyond a certain age will very likely have some fond memories of many an hour spent and pocket money devoured feeding the local arcade pinball machine. At one time they seemed to be pretty much everywhere, but sadly, these days they seem to have largely fallen out of favour and are becoming more of speciali... | 12 | 8 | [
{
"comment_id": "6466665",
"author": "Gregg Eshelman",
"timestamp": "2022-04-30T05:37:19",
"content": "On a Hackaday themed pinball machine the ball drain should be named Comment Edit Button.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6466669",
"author... | 1,760,372,709.990628 | ||
https://hackaday.com/2022/04/29/arduino-and-git-two-views/ | Arduino And Git: Two Views | Al Williams | [
"Arduino Hacks",
"Software Development"
] | [
"arduino",
"Git",
"github",
"version control"
] | You can’t do much development without running into Git, the version control management system. Part of that is because so much code lives on GitHub which uses Git, although you don’t need to know anything about that if all you want to do is download code. [Dr. Torq] has
a good primer on using Git with the Arduino IDE
,... | 16 | 5 | [
{
"comment_id": "6466696",
"author": "Rybec Arethdar",
"timestamp": "2022-04-30T07:37:02",
"content": "Honestly, even non-devs should be using Git. It’s also good for things like writing, where instead of working on a completely new draft, you might prefer an iterative process (like me), and using ... | 1,760,372,710.149437 | ||
https://hackaday.com/2022/04/29/motorcycle-voltage-regulator-uses-mosfets/ | Motorcycle Voltage Regulator Uses MOSFETs | Bryan Cockfield | [
"Transportation Hacks"
] | [
"alternator",
"circuit",
"custom",
"mosfet",
"motorcycle",
"power",
"regulator",
"shunt"
] | For how common motorcycles are, the designs and parts used in them tend to vary much more wildly than in cars and trucks. Sometimes this is to the rider’s advantage, like Honda experimenting with airbags or automatic transmissions. Sometimes it’s a little more questionable, like certain American brands holding on to pu... | 34 | 8 | [
{
"comment_id": "6466639",
"author": "Tom Hargrave",
"timestamp": "2022-04-30T02:56:08",
"content": "Nice project but motorcycle voltage regulators are extremely reliable, probably more reliable than anything I could design. Most are shunt regulators designed to turn on and clamp the alternator to a... | 1,760,372,710.870603 | ||
https://hackaday.com/2022/04/29/equipping-an-atv-with-a-trashcan-lifter/ | Equipping An ATV With A Trashcan Lifter | Arya Voronova | [
"Transportation Hacks"
] | [
"atv",
"trash can",
"welded hacks",
"wench"
] | [ITman496] is one of us hackers working his way around health problems, in his case, a back injury. He is eager to solve various difficulties he has to deal with, and in case of
the video he made
, it was about moving a large trashcan through ice-covered roads on his property. Not willing to risk his health any further... | 6 | 2 | [
{
"comment_id": "6466579",
"author": "Bruce Perens K6BP",
"timestamp": "2022-04-29T20:03:46",
"content": "The “wench” power trash can lifter definitely brought a smile to my face, but you should fix that.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "646658... | 1,760,372,710.491809 | ||
https://hackaday.com/2022/04/29/hackaday-prize-2022-runtinyrun-is-a-fully-solar-powered-portable-dinosaur-game/ | Hackaday Prize 2022: RunTinyRun Is A Fully Solar-Powered, Portable Dinosaur Game | Robin Kearey | [
"contests",
"Games",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"attiny10",
"google dinosaur game",
"solar power"
] | Fully solar-powered handheld gadgets have so far mostly been limited to ultra-low power devices like clocks, thermometers and calculators. Anything more complicated than that will generally have a battery and some means to charge it. An entirely solar-powered video game console is surely out of reach. Or is it? As [rid... | 7 | 7 | [
{
"comment_id": "6466571",
"author": "RunnerPack",
"timestamp": "2022-04-29T18:41:51",
"content": "I didn’t know hypercube solar cells were a thing… /s",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6466608",
"author": "Nick",
"timestamp": "2022-04-29T... | 1,760,372,710.452478 | ||
https://hackaday.com/2022/04/29/building-a-swiss-army-lab-with-software-defined-instrumentation/ | Building A Swiss Army Lab With Software Defined Instrumentation | Tom Nardi | [
"Hackaday Columns",
"Slider",
"Tool Hacks"
] | [
"Hack Chat",
"instrumentation",
"software defined",
"test equipment"
] | It’s a fair bet that anyone regularly reading Hackaday has a voltmeter within arm’s reach, and there’s a good chance an oscilloscope isn’t far behind. But beyond that, things get a little murky. We’re sure some of you have access to a proper lab full of high-end test gear, even if only during business hours, but most o... | 33 | 8 | [
{
"comment_id": "6466551",
"author": "Bill Gates",
"timestamp": "2022-04-29T17:44:39",
"content": "very much like a cell phone, it does a number of things, all of them poorly.poor adc performance, poor noise floor, poor bandwidth, poor resolution, poor this, half way acceptable that.there are still ... | 1,760,372,710.722844 | ||
https://hackaday.com/2022/04/29/hackaday-podcast-166-engraving-with-the-sun-explosive-welding-juggling-chainsaws-and-torturing-wago-connectors/ | Hackaday Podcast 166: Engraving With The Sun, Explosive Welding, Juggling Chainsaws, And Torturing Wago Connectors | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Join Hackaday Editor-in-Chief Elliot Williams and Staff Writer Dan Maloney as they dive into the last week of Hackaday articles. If you love things that go boom, you won’t want to miss the discussion about explosive welding. Ever use the sun to burn something with a magnifying glass? Now you can CNC that, if you dare. ... | 1 | 1 | [
{
"comment_id": "6466894",
"author": "fid",
"timestamp": "2022-05-01T02:36:07",
"content": "Started laughing at the mention of Star Star. It brought to mind the Rolling Stones song. 😁Is it “Star*”, or something like that? I’ll have to re-listen to that part.",
"parent_id": null,
"depth": 1,... | 1,760,372,710.534852 | ||
https://hackaday.com/2022/04/29/super-simple-scope-shambles-solution/ | Super Simple Scope Shambles Solution | Jenny List | [
"Tool Hacks"
] | [
"bench organiser",
"openscad",
"organization",
"probe caddy",
"scope probe"
] | Sometimes the projects we write up for Hackaday require their creators to produce pages of technical explanation, while others need only rely on the elegance of the hack itself. The
Scope Probe Caddy
from [Tonyo] has probably one of the shortest write-ups we’ve linked to from a Hackaday piece, because its utility is se... | 22 | 11 | [
{
"comment_id": "6466489",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-04-29T15:48:33",
"content": "Where’s the Like button?B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6466512",
"author": "bstriggo",
"timestamp": "2022-04... | 1,760,372,710.598461 | ||
https://hackaday.com/2022/04/29/this-week-in-security-android-and-linux-virustotal-more-psychic-signatures/ | This Week In Security: Android And Linux, VirusTotal, More Psychic Signatures | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"linux",
"Nimbuspwn",
"sneakers",
"virustotal"
] | To start our week of vulnerabilities in everything, there’s
a potentially big vulnerability in Android handsets, but it’s Apple’s fault
. OK, maybe that’s a little harsh — Apple released the code to their Apple Lossless Audio Codec (ALAC) back in 2011 under the Apache License. This code was picked up and shipped as par... | 10 | 7 | [
{
"comment_id": "6466513",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-04-29T16:16:56",
"content": "” “walking colander” of security problems.”Descriptive!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6466692",
"author": "Da... | 1,760,372,710.650595 | ||
https://hackaday.com/2022/04/29/chonky-palmtop-will-slide-into-your-heart/ | Chonky Palmtop Will Slide Into Your Heart | Kristina Panos | [
"Cyberdecks",
"Raspberry Pi"
] | [
"7\" touch screen",
"Corne",
"Corne keyboard",
"cyberdeck",
"Raspberry Pi 4"
] | You probably know what a cyberdeck is by now, but you’ll find that people’s definitions differ. Some use the term rather loosely, applying it to things that are luggable at best. But we think you’ll agree that the
“Chonky Palmtop” created by [Daniel Norris] AKA [a8ksh4]
is without a doubt, quite cyberdeckian.
One of th... | 41 | 8 | [
{
"comment_id": "6466415",
"author": "not",
"timestamp": "2022-04-29T11:15:48",
"content": "No handle ? meee.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6466417",
"author": "Sword",
"timestamp": "2022-04-29T11:21:14",
"content": "Wayyyy thicker... | 1,760,372,710.801167 | ||
https://hackaday.com/2022/04/29/this-machine-vision-ekranoplan-might-just-follow-you-home/ | This Machine-Vision Ekranoplan Might Just Follow You Home | Dan Maloney | [
"drone hacks"
] | [
"AprilTag",
"ekranoplan",
"fiducial",
"GEV",
"ground effect",
"machine vision",
"raspberry pi",
"ros"
] | What is it that’s not quite either a plane or a boat, but has characteristics of both? There are probably a lot of things that fit that description, but the one that [Nick Rehm] is working on is known as an ekranoplan. Specifically, he’s looking to make
the surface-skimming ground-effect vehicle operate autonomously
.
... | 9 | 4 | [
{
"comment_id": "6466388",
"author": "Viktor",
"timestamp": "2022-04-29T08:26:48",
"content": "Chinese drones can track you without QR for years now.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6466422",
"author": "lmphamdanggmailcom",
"ti... | 1,760,372,710.913117 | ||
https://hackaday.com/2022/04/28/a-real-gpu-on-the-raspberry-pi-barely/ | A Real GPU On The Raspberry Pi — Barely. | Jonathan Bennett | [
"Raspberry Pi"
] | [
"gpu",
"linux",
"PCIe",
"raspberry pi"
] | [Jeff Geerling] saw the Raspberry Pi Compute Module 4 and its exposed PCI-Express 1x connection, and just naturally wondered whether he could plug a GPU into that slot and get it to work. It didn’t. There were a few reasons why, such as the limited Base Address Register space, and drivers that just weren’t written for ... | 36 | 9 | [
{
"comment_id": "6466357",
"author": "RPi5c",
"timestamp": "2022-04-29T07:15:45",
"content": "Don’t get me wrong, it’s amazing overall but there are still things to improve it in the next release. The Raspberry Pi 4 has had several broken things. At least they fixed it by moving to version 4b but wh... | 1,760,372,710.98741 | ||
https://hackaday.com/2022/04/28/recycling-plastic-into-filament/ | Recycling Plastic Into Filament | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3d printer",
"filament",
"pet",
"plastic",
"recycle",
"reuse",
"spool"
] | Plastic is a remarkable material in many ways. Cheap, durable, and versatile, it is responsible for a large percentage of the modern world we live in. As we all know, though, it’s not without its downsides. Its persistence in the environment is quite troubling, so any opportunity we can take to reduce its use is welcom... | 43 | 10 | [
{
"comment_id": "6466350",
"author": "ganzuul",
"timestamp": "2022-04-29T04:31:58",
"content": "I work as a machinist and we produce a lot of plastic waste. A product can easily cause 80% waste from the raw stock, and it all gets thrown in the dumpster. We work with POM, PVC, Teflon, PEEK, Nylon, PV... | 1,760,372,711.076519 | ||
https://hackaday.com/2022/04/28/multiband-crystal-radio-set-pulls-out-all-the-stops/ | Multiband Crystal Radio Set Pulls Out All The Stops | Dan Maloney | [
"Radio Hacks"
] | [
"crystal",
"detector",
"germanium",
"radio",
"rectifier",
"woodworking"
] | Most crystal radio receivers have a decidedly “field expedient” look to them. Fashioned as they often are from a few turns of wire around an oatmeal container and a safety pin scratching the surface of a razor blade, the whole assembly often does a great impersonation of a pile of trash whose appearance gives little ho... | 23 | 13 | [
{
"comment_id": "6466286",
"author": "Hirudinea",
"timestamp": "2022-04-28T23:20:50",
"content": "Wow, just wow.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6466550",
"author": "greenbit",
"timestamp": "2022-04-29T17:42:29",
"conte... | 1,760,372,711.136165 | ||
https://hackaday.com/2022/04/28/plinko-like-build-takes-advantage-of-wireless-leds/ | Plinko-Like Build Takes Advantage Of Wireless LEDs | Lewin Day | [
"LED Hacks"
] | [
"led",
"wireless led",
"wireless leds"
] | Imagine if you had some magic glowing beads, that would emit beautiful colors without any wires tangling them up. They exist, in the form of wireless induction-powered LEDs, and [Debra] of
Geek Mom Projects
has been experimenting with them in a new way.
The build takes the wireless LEDs and wraps each one up in a 1/4″-... | 10 | 6 | [
{
"comment_id": "6466254",
"author": "Dude",
"timestamp": "2022-04-28T20:26:42",
"content": "I wonder if it would be possible to have an LC circuit tuned for a different frequency in each LED, so you could switch them off by sending in a different AC frequency.",
"parent_id": null,
"depth": ... | 1,760,372,711.18254 | ||
https://hackaday.com/2022/04/28/tiny-risc-virtual-machine-is-built-for-speed/ | Tiny RISC Virtual Machine Is Built For Speed | Bryan Cockfield | [
"Software Hacks"
] | [
"design",
"l1vm",
"microcontroller",
"modular",
"nanovm",
"raspberry pi",
"small",
"software",
"virtual machine",
"vm"
] | Most of us are familiar with virtual machines (VMs) as a way to test out various operating systems, reliably deploy servers and other software, or protect against potentially malicious software. But virtual machines aren’t limited to running full server or desktop operating systems.
This tiny VM is capable of deploying... | 13 | 3 | [
{
"comment_id": "6466236",
"author": "Steven Clark",
"timestamp": "2022-04-28T19:23:09",
"content": "I wonder how much faster this is than other academic VMs like Spim or Mars.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6466256",
"author": "Joshu... | 1,760,372,711.620578 | ||
https://hackaday.com/2022/04/28/2022-sci-fi-contest-the-winners-are-in/ | 2022 Sci-Fi Contest: The Winners Are In | Elliot Williams | [
"contests",
"Hackaday Columns",
"Slider"
] | [
"2022 Sci-Fi Contest",
"props",
"replica",
"sci-fi",
"star trek",
"star wars"
] | The Sci-Fi Contest closed out on Monday, and we put our heads together and picked our favorites. And it was no easy task, because in addition to many of the projects simply looking stellar, many went all-out on the documentation as well, making these stellar examples that we can all learn from, whether you’re into sci-... | 4 | 1 | [
{
"comment_id": "6466255",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-04-28T20:30:21",
"content": "” Here, the paddles put out EM pulses to make the puck”Wow! Making a puck from EM pulses??We are moments away from a working Holodeck!B^)",
"parent_id": null,
"depth": ... | 1,760,372,711.486468 | ||
https://hackaday.com/2022/04/28/automatic-turntable-makes-photogrammetry-a-cinch/ | Automatic Turntable Makes Photogrammetry A Cinch | Lewin Day | [
"Cellphone Hacks",
"Microcontrollers"
] | [
"3.5mm jack",
"audio socket",
"phone socket",
"Photogrammetry",
"turntable",
"usb"
] | Photogrammetry is a great way to produce accurate 3D models of real objects. A turntable is often a common tool used in this work as it helps image an object from all angles. [Peter Lin] wanted a way to run the photogrammetry process with minimal human intervention,
and set about building an automated turntable setup.
... | 9 | 3 | [
{
"comment_id": "6466205",
"author": "RunnerPack",
"timestamp": "2022-04-28T17:09:18",
"content": "Doesn’t the lighting change if you rotate the object, making the photos useless? Or, is this not a problem for photogrammetry software anymore?",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,711.666887 | ||
https://hackaday.com/2022/04/28/ev-charging-connectors-come-in-many-shapes-and-sizes/ | EV Charging Connectors Come In Many Shapes And Sizes | Lewin Day | [
"car hacks",
"Engineering",
"Featured",
"Interest",
"Slider"
] | [
"CCS",
"chademo",
"ChaoJi",
"electric vehicle",
"ev",
"EV charger",
"GB/T 20234.3",
"j 1772",
"j1772",
"Mennekes",
"mennekes connector",
"tesla",
"type 1",
"Type 2"
] | Electric vehicles are now commonplace on our roads, and charging infrastructure is being built out across the world to serve them. It’s the electric equivalent of the gas station, and soon enough, they’re going to be everywhere.
However, it raises an interesting problem. Gas pumps simply pour a liquid into a hole, and ... | 69 | 13 | [
{
"comment_id": "6466148",
"author": "lmphamdanggmailcom",
"timestamp": "2022-04-28T14:05:07",
"content": "I will forever refer to Tesla’s Supercharger as the “Surprised Robot Face Plug”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6466155",
"author": "c... | 1,760,372,711.953793 | ||
https://hackaday.com/2022/04/28/diy-arduino-based-ev-charger-saves-money-looks-pro/ | DIY Arduino Based EV Charger Saves Money, Looks Pro | Ryan Flowers | [
"car hacks"
] | [
"charger",
"diy",
"electric vehicle",
"ev",
"EV charger"
] | Electric vehicles (EVs) are something of a hot topic, and most of the hacks we’ve featured regarding them center on conversions from Internal Combustion to Electric. These are all fine, and we hope to see plenty more of them in the future. There’s another aspect that doesn’t get covered as often: How to
charge
electric... | 63 | 24 | [
{
"comment_id": "6466093",
"author": "steaky",
"timestamp": "2022-04-28T11:17:53",
"content": "Using software (let alone an Arduino) for RCD operation is very dangerous. If the software hangs for any reason then goodbye RCD!Adding in a watchdog would help, but I’d still be very nervous around this.Y... | 1,760,372,711.8376 | ||
https://hackaday.com/2022/04/27/no-laser-cnc-engraver-is-something-new-under-the-sun/ | No-Laser CNC Engraver Is Something New Under The Sun | Dan Maloney | [
"cnc hacks"
] | [
"CdS",
"cnc",
"engraver",
"gantry",
"gimbal",
"solar",
"sun tracker"
] | Hooking up a laser to a CNC gantry isn’t exactly an Earth-shattering innovation, but it does make for a useful tool. Even a cheap diode laser mounted to an old 3D printer can do engraving, marking, or even light-duty cutting. But what about a laser engraver without the laser? Can that be of any use?
Apparently, the ans... | 28 | 12 | [
{
"comment_id": "6465700",
"author": "Jens",
"timestamp": "2022-04-27T15:41:21",
"content": "There was the “solar sinter” project by Markus Kayser a few years ago. It uses the same method to sinter sand grains together for a 3D printer.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,711.72757 | ||
https://hackaday.com/2022/04/27/the-state-of-play-in-solid-state-batteries/ | The State Of Play In Solid State Batteries | Lewin Day | [
"car hacks",
"chemistry hacks",
"Current Events",
"Featured",
"Interest",
"Slider"
] | [
"battery",
"electric vehicle",
"ev",
"Murata",
"nissan",
"panasonic",
"solid state",
"solid-state battery",
"tesla",
"toyota"
] | Electric vehicles are slowly but surely snatching market share from their combustion-engined forbearers. However, range and charging speed remain major sticking points for customers, and are a prime selling point for any modern EV. Battery technology is front and center when it comes to improving these numbers.
Solid-s... | 141 | 23 | [
{
"comment_id": "6465665",
"author": "RW ver 0.0.1",
"timestamp": "2022-04-27T14:10:34",
"content": "There’s been some really exciting news in batteries over the last year. One recent thing I was reading was about how an additive for lowering the combustibility of Lithium batteries made higher densi... | 1,760,372,712.293433 | ||
https://hackaday.com/2022/04/27/nasas-giant-sls-rocket-rolled-back-for-repairs/ | NASA’s Giant SLS Rocket Rolled Back For Repairs | Tom Nardi | [
"News",
"Space"
] | [
"Artemis",
"nasa",
"sls",
"Space Launch System"
] | There’s little debate that the most exciting move in a rocket’s repertoire is when it launches itself skywards on a column of flame. But failing that, it’s still pretty interesting to see how these massive vehicles get juggled around down here on terra firma before getting fired off into the black. Which is great for a... | 33 | 7 | [
{
"comment_id": "6465616",
"author": "Michael",
"timestamp": "2022-04-27T11:31:11",
"content": "I was around during the Mercury missions. Noone ever thought that private corporations could ever accomplish what NASA did. It was a truism that only a nation state could do it.And now here we are with NA... | 1,760,372,712.113222 | ||
https://hackaday.com/2022/04/27/building-reaction-wheels-with-python-and-lego/ | Building Reaction Wheels With Python And LEGO | Lewin Day | [
"Toy Hacks"
] | [
"control theory",
"inverted pendulum",
"pendulum",
"pid",
"pid control"
] | Reaction wheels are useful things, typically used by satellites to keep themselves oriented the right way up in space. Turning the reaction wheel creates an equal and opposite torque in the spacecraft, allowing it to point and rotate itself accurately. The same technique also works here on Earth, and [Brick Experiment ... | 3 | 3 | [
{
"comment_id": "6465655",
"author": "George K Ott",
"timestamp": "2022-04-27T13:34:53",
"content": "Someone get this guy an ESD mat!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6465666",
"author": "Pez",
"timestamp": "2022-04-27T14:10:44",
"con... | 1,760,372,711.994457 | ||
https://hackaday.com/2022/04/26/genailles-rods-when-paint-sticks-do-math/ | Genaille’s Rods: When Paint Sticks Do Math | Ryan Flowers | [
"History",
"Tool Hacks"
] | [
"division",
"maths",
"multiplication",
"old school",
"slide rule"
] | What is a hacker, if not somebody who comes up with solutions that other just don’t see? All the pieces may be in place, but it takes that one special person to view the pieces as greater than the sum of their parts. As [Chris Staecker] explains in the
video below the break
, Henri Genaille was one such person.
When Fr... | 3 | 3 | [
{
"comment_id": "6465671",
"author": "Miles",
"timestamp": "2022-04-27T14:24:37",
"content": "The Wikipedia article is concise, and demonstrates the use well.https://en.m.wikipedia.org/wiki/Genaille%E2%80%93Lucas_rulers",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment... | 1,760,372,712.033285 | ||
https://hackaday.com/2022/04/26/fort-knutz-squirrels-go-all-mission-impossible/ | Fort Knutz – Squirrels Go All Mission Impossible | Anne Ogborn | [
"Lifehacks",
"Misc Hacks",
"News"
] | [
"animal",
"animal feeder"
] | [Mark Rober] has a bird feeder in his back yard. Also, squirrels who eat the seed. So, as one does, he built a nine part squirrel obstacle course with a reward of walnuts at the end, and
filmed them beating the course
.
(Spoiler – this is all much better in the video, which we’ve placed below the break).
His four backy... | 22 | 11 | [
{
"comment_id": "6465546",
"author": "Gregg Eshelman",
"timestamp": "2022-04-27T03:04:53",
"content": "Two squirrels had minimal problems with the roof maze. One got on the roof and examined the whole maze from the outside. Then when he entered it, he went through it without error. The 4th squirrel ... | 1,760,372,712.351584 | ||
https://hackaday.com/2022/04/26/simple-photo-enlarger-makes-great-addition-to-any-darkroom/ | Simple Photo Enlarger Makes Great Addition To Any Darkroom | Lewin Day | [
"Tech Hacks"
] | [
"darkroom",
"enlarger",
"flim",
"photo"
] | Chemical-based photography can seem like a dark art at times, but it needn’t be so. [Dan K] developed the Simple Enlarger to help spread the idea that classical photographic darkroom tools are fundamentally
quite easy to understand and build
.
The assembled enlarger.
A photographic enlarger illuminates a negative with ... | 6 | 3 | [
{
"comment_id": "6465518",
"author": "Dave Walker",
"timestamp": "2022-04-26T23:23:05",
"content": "Great project,but it was a few years ago now…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6465536",
"author": "RW ver 0.0.3",
"timestamp": "2022-04-2... | 1,760,372,712.439598 | ||
https://hackaday.com/2022/04/28/90s-apple-computer-finally-runs-unsigned-code/ | 90s Apple Computer Finally Runs Unsigned Code | Bryan Cockfield | [
"Mac Hacks"
] | [
"apple",
"bandai",
"crack",
"custom",
"macintosh",
"operating system",
"Pippin",
"software",
"unsigned"
] | Back in the 90s, the console wars were in full swing. Nintendo vs Sega was an epic showdown at first, but when Nintendo seemed sure to clench the victory Sony came out of nowhere with the PlayStation. While these were the most popular consoles at the time, there were a few others around that are largely forgotten by hi... | 12 | 4 | [
{
"comment_id": "6466072",
"author": "moonrush",
"timestamp": "2022-04-28T09:28:56",
"content": "Sony didn’t come out of nowhere with the PlayStation. The PlayStation was going to be a Nintendo product, but Nintendo went with Panasonic, and left Sony holding the bag. Its been featured here on Hac... | 1,760,372,712.398372 | ||
https://hackaday.com/2022/04/27/drone-filming-chiles-urban-bike-race-takes-some-fancy-radio-gear/ | Drone Filming Chile’s Urban Bike Race Takes Some Fancy Radio Gear | Lewin Day | [
"drone hacks"
] | [
"downhill mountain bike",
"drone",
"drone repeater",
"drove fpv",
"FPV",
"fpv flight",
"fpv racer"
] | Drones have revolutionized the world of videography in perhaps the biggest way since the advent of digital hardware. They’re used to get shots that are impractical or entirely impossible to get by any other means. The [Dutch Drone Gods] specialize in such work. When it came to filming an urban mountain bike race in a d... | 13 | 8 | [
{
"comment_id": "6466027",
"author": "DerMondkeks",
"timestamp": "2022-04-28T06:15:50",
"content": "Insane shots. This really sent chills over my spine!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6466045",
"author": "Jouni",
"timestamp": "2022-04-2... | 1,760,372,712.593718 | ||
https://hackaday.com/2022/04/27/cad-sketcher-its-parametric-cad-for-blender/ | CAD Sketcher, It’s Parametric CAD For Blender | Anne Ogborn | [
"cnc hacks",
"News"
] | [
"3D CAD",
"blender"
] | It’s very early days for
CAD Sketcher
, a new parametric CAD add-on for Blender by [hlorus], but it looks very promising.
We do a lot of 3D work and like Blender as an environment. It’s always annoying that Blender doesn’t do parametric modeling, so we’re forced into a dedicated CAD package. Blending the two for that r... | 39 | 12 | [
{
"comment_id": "6465929",
"author": "Autodrop3d (@autodrop3d)",
"timestamp": "2022-04-28T02:05:45",
"content": "If I am not mistaken this tool is using the solvespace kernel.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6466066",
"author": "hackki... | 1,760,372,712.820411 | ||
https://hackaday.com/2022/04/27/digital-to-analog-in-the-darkroom/ | Digital To Analog In The Darkroom | Bryan Cockfield | [
"Arduino Hacks",
"digital cameras hacks"
] | [
"4K",
"analog",
"black and white",
"contact",
"darkroom",
"display",
"monocrhome",
"paper",
"photography",
"resin"
] | As the world becomes more and more digital, there are still a few holdouts from the analog world we’ve left behind. Vinyl records are making quite the comeback, and film photography is still hanging on as well. While records and a turntable have a low barrier for entry, photography is a little more involved, especially... | 7 | 3 | [
{
"comment_id": "6465886",
"author": "HaHa",
"timestamp": "2022-04-27T23:44:22",
"content": "That isn’t all that different from ‘traditional darkroom methods’.Contact prints were fairly common back in large format days.Why not put a cell phone display in the film holder. Then you can adjust the size... | 1,760,372,712.864719 | ||
https://hackaday.com/2022/04/27/diy-bench-psu-looks-like-a-million-bucks-but-is-easy-on-the-budget/ | DIY Bench PSU Looks Like A Million Bucks But Is Easy On The Budget | Ryan Flowers | [
"computer hacks"
] | [
"12 volt",
"3.3 volt",
"5 volt",
"atx power supply",
"bench equipment",
"bench power supply"
] | As one becomes more and more involved in hobbies that involve electronics of almost any kind, it becomes necessary to graduate from wall warts and USB power breakout boards and move up to something more substantial. One great way to do this is to repurpose an old computer PSU, and that’s exactly what
the excellent writ... | 29 | 12 | [
{
"comment_id": "6465825",
"author": "Twisty Plastic",
"timestamp": "2022-04-27T20:36:13",
"content": "Can’t or don’t want to source that big power resistor? When using old AT power supplies that absolutely required a load on the 5V line I used an old turn-signal bulb. It does the job, can also ser... | 1,760,372,712.719034 | ||
https://hackaday.com/2022/04/27/hackaday-prize-2022-glass-tube-solar-thermionic-converters/ | Hackaday Prize 2022: Glass Tube Solar Thermionic Converters | Lewin Day | [
"contests",
"Science",
"The Hackaday Prize"
] | [
"2022 Hackaday Prize",
"solar",
"solar power",
"thermionic",
"thermionic conversion",
"thermionic tube",
"tube",
"tubes",
"vacuum tube"
] | Typically, if you want to convert solar energy into electrical energy, you use either photovoltaic (PV) cells, or you use the sunlight to create steam to turn a turbine. Both of these methods are well-established and used regularly in both small- and grid-scale applications. However, [Nick Poole] wanted to investigate ... | 13 | 8 | [
{
"comment_id": "6465762",
"author": "RW ver 0.0.3",
"timestamp": "2022-04-27T18:53:51",
"content": "I’ve always wondered if you can achieve this with car headlight assemblies … you’ve got two filaments, or possibly it can work with one good one and one burned out, as long as there is conductor expo... | 1,760,372,712.651826 | ||
https://hackaday.com/2022/04/27/2022-hackaday-prize-get-your-planet-friendly-power-on/ | 2022 Hackaday Prize: Get Your Planet-Friendly Power On! | Elliot Williams | [
"contests",
"green hacks",
"Hackaday Columns",
"Slider"
] | [
"2022 Hackaday Prize",
"clean energy",
"energy",
"mppt",
"renewable",
"solar"
] | Time flies! This weekend marks the end of the first stage of the
2022 Hackaday Prize
, and your chance to enter your alternative-energy projects. There are ten $500 prizes up for grabs, and there’s still time to
whip up a project page
over on Hackaday.io to showcase it.
In this round, we’re looking for projects that ha... | 5 | 4 | [
{
"comment_id": "6465900",
"author": "Daniel Matthews",
"timestamp": "2022-04-28T00:39:15",
"content": "The best power is power you didn’t use because you achieved your goals without needing it, the source matters far less than that.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,372,713.011876 | ||
https://hackaday.com/2022/04/26/a-baudot-code-speaking-chatterbot-with-a-freakish-twist/ | A Baudot Code Speaking Chatterbot With A Freakish Twist | Dave Rowntree | [
"Artificial Intelligence"
] | [
"artifical intelligence",
"baudot code",
"MegaHal",
"raspberry pi",
"tty"
] | [Sam Battle] known on YouTube as [Look Mum No Computer] is mostly known as a musical artist, but seems lately to have taken a bit of shine to retro telecoms gear, and this latest foray is into the realm of the minicom tty device which was a lifeline for those not blessed with ability to hear well enough to communicate ... | 2 | 2 | [
{
"comment_id": "6465490",
"author": "Jii",
"timestamp": "2022-04-26T20:58:43",
"content": "Man, i need that “Thinking, thinking, thinking…” track for when someone asks me a question at work. And then i need to learn to speak in baudot code.But another great video from him.",
"parent_id": null,
... | 1,760,372,712.965451 | ||
https://hackaday.com/2022/04/26/2022-sci-fi-contest-multi-sensor-measurement-system/ | 2022 Sci-Fi Contest: Multi-Sensor Measurement System | Lewin Day | [
"contests",
"Science"
] | [
"2022 Sci-Fi Contest",
"science",
"sensor"
] | Many sci-fi movies and TV shows feature hand-held devices capable of sensing all manner of wonderful things. The µ Spec Mk II from [j] is built very much in that vein, packing plenty of functionality
into a handy palm-sized form factor.
An ESP32 serves as the brains of the device, hooked up to a 480×320 resolution touc... | 4 | 2 | [
{
"comment_id": "6465525",
"author": "Ostracus",
"timestamp": "2022-04-27T00:21:50",
"content": "It would be interesting to see with sensor fusion, various sources plus some machine learning.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6465532",
"author... | 1,760,372,712.905707 | ||
https://hackaday.com/2022/04/26/modern-wildfires-and-their-effect-on-the-ozone-layer/ | Modern Wildfires And Their Effect On The Ozone Layer | Lewin Day | [
"Hackaday Columns",
"Science",
"Slider"
] | [
"bushfire",
"bushfires",
"fire",
"fires",
"ozone",
"ozone layer",
"science",
"wildfire",
"wildfires"
] | The ozone layer is a precious thing, helping protect the Earth from the harshest of the sun’s radiative output. If anything were to damage this layer, we’d all feel the results in a very short order indeed.
In the past, humanity has worked to limit damage to the ozone layer from our own intentional actions. However, it... | 36 | 12 | [
{
"comment_id": "6465456",
"author": "Michael Black",
"timestamp": "2022-04-26T17:38:33",
"content": "One thing, for “a long time” forest fires were seen as abad thing.But my ancestors, and the distant cousins today, did controlled burns in the Pacific Northwest. Not to burn trees, but get rid of d... | 1,760,372,713.231282 | ||
https://hackaday.com/2022/04/26/pianolizer-helps-your-musical-projects-distinguish-notes/ | Pianolizer Helps Your Musical Projects Distinguish Notes | Arya Voronova | [
"Musical Hacks",
"Software Hacks"
] | [
"fast fourier transform",
"fft",
"fourier transform",
"music transcription",
"note",
"notes",
"piano",
"sdft",
"signals processing",
"software library"
] | [Stanislaw Pusep] has gifted us with
the Pianolizer project
– an easy-to-use toolkit for music exploration and visualization, an audio spectrum analyzer helping you turn sounds into piano notes. You can run his toolkit on a variety of different devices, from Raspberry Pi and PCs, to any browser-equipped device includin... | 9 | 5 | [
{
"comment_id": "6465433",
"author": "RW ver 0.0.3",
"timestamp": "2022-04-26T15:53:14",
"content": "Yissss… that’s all I need to turn my noodling on a kazoo to platinum certified rock hits.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6466172",
"a... | 1,760,372,713.153601 | ||
https://hackaday.com/2022/04/26/the-sinclair-zx-spectrum-turns-40/ | The Sinclair ZX Spectrum Turns 40 | Jenny List | [
"History",
"Interest",
"Retrocomputing"
] | [
"40th anniversary",
"sinclair",
"ZX Spectrum"
] | It’s an auspicious moment for retrocomputing fans, as it’s now four decades since the launch of the Sinclair ZX Spectrum. This budget British microcomputer was never the best of the bunch, but its runaway success and consequent huge software library made it
the
home computer to own in the UK. Here in 2022 it may live o... | 68 | 27 | [
{
"comment_id": "6465392",
"author": "Peter Misenko",
"timestamp": "2022-04-26T14:18:19",
"content": "I am just started work on Pocket ZX Spectrumhttps://hackaday.io/project/184965-picomputer-zx-pocket-zx-spectrum",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,372,713.34101 | ||
https://hackaday.com/2022/04/26/hand-built-metal-mouse-is-beautifully-engraved/ | Hand-Built Metal Mouse Is Beautifully Engraved | Lewin Day | [
"Peripherals Hacks"
] | [
"brass",
"metalworking",
"mouse",
"steampunk"
] | Computer mice, like computers themselves, used to be built almost solely in hideous beige designs. These days, things are a bit more stylish, but they’re still largely following a simple plastic formula. [Uri Tuchman] decided to build a fancy metal engraved computer mouse
for a little more style on the desktop.
The bui... | 19 | 12 | [
{
"comment_id": "6465350",
"author": "none",
"timestamp": "2022-04-26T11:43:16",
"content": "Lead!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6465372",
"author": "Prowler50mil",
"timestamp": "2022-04-26T13:17:17",
"content": "Ther... | 1,760,372,713.389946 | ||
https://hackaday.com/2022/04/26/physical-control-panel-elevates-flight-sim-experience/ | Physical Control Panel Elevates Flight Sim Experience | Ryan Flowers | [
"Peripherals Hacks"
] | [
"arduino",
"buttons",
"controller",
"flight sim interface",
"flight simulator",
"switches"
] | Like so many of us, [pgsanchez] has been bitten by the flight simulator bug. It’s a malady that can only be treated, but never cured — and like so many hobbies, it has a nasty tendency to spawn more hobbies. A software developer by trade, [pgsanchez] is also adept with Arduino and electronics, and his blog post about t... | 11 | 5 | [
{
"comment_id": "6465312",
"author": "e",
"timestamp": "2022-04-26T09:12:26",
"content": "If he wants to simulate an Su-24 cockpit, he’ll need duct tape and a garmin GPShttps://pbs.twimg.com/media/FNQfH2kXoAQRch6?format=jpg",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,715.288229 | ||
https://hackaday.com/2022/04/25/lofipi-keeps-the-chill-beats-coming/ | Lofipi Keeps The Chill Beats Coming | Lewin Day | [
"Raspberry Pi"
] | [
"radio",
"raspberry pi",
"streaming device"
] | These days, many people love having some lo-fi beats on when they chill and study. This has led to a cottage industry dedicated to producing said beats, and the format continues to grow in popularity. [Nicholas Sherlock] decided to build a custom audio device
solely for the delivery of these comfortable tunes.
As seen ... | 21 | 7 | [
{
"comment_id": "6465292",
"author": "Arduino Enigma",
"timestamp": "2022-04-26T06:12:46",
"content": "What’s wrong with using the http:/:www.lofigenerator.com code? Better than streaming from YouTube and dealing with adverts.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,715.466928 | ||
https://hackaday.com/2022/04/25/learning-electronics-by-just-doing-it/ | Learning Electronics By Just Doing It | Ryan Flowers | [
"Lifehacks"
] | [
"electronics",
"learn by doing",
"learning electronics"
] | Learning anything new, especially so broad and far reaching as electronics, can be hard. [IMSAI Guy] knows this because he gets asked regularly “how do I learn electronics?” Many of you reading this will have a few ideas to pass along (and we encourage you to share your take on it in the comments below) but there is an... | 33 | 14 | [
{
"comment_id": "6465262",
"author": "RW ver 0.0.3",
"timestamp": "2022-04-26T03:12:58",
"content": "Pile in and have at it Ms Frizzle style…“Take chances, make mistakes, get messy….”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6465457",
"author":... | 1,760,372,715.127136 | ||
https://hackaday.com/2022/04/25/the-apollo-digital-ranging-system-more-than-meets-the-eye/ | The Apollo Digital Ranging System: More Than Meets The Eye | Ryan Flowers | [
"Radio Hacks",
"Space"
] | [
"apollo",
"jpl",
"ken shirriff",
"nasa",
"radar",
"range finder"
] | If you haven’t seen [Ken Shirriff]’s teardowns and reverse engineering expeditions, then you’re in for a treat. His
explanation and demonstration of the Apollo digital ranging system
is a fascinating read, even if vintage computing and engineering aren’t part of your normal fare.
The average Hackaday reader should be f... | 15 | 7 | [
{
"comment_id": "6465220",
"author": "SteveS",
"timestamp": "2022-04-26T00:12:49",
"content": "So. Many. Little. Coax. Connectors!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6465371",
"author": "robomonkey",
"timestamp": "2022-04-26T13:14... | 1,760,372,715.400948 | ||
https://hackaday.com/2022/04/25/3d-printed-turbo-pump-hopes-to-propel-rockets-to-the-sky/ | 3D Printed Turbo Pump Hopes To Propel Rockets To The Sky | Lewin Day | [
"Misc Hacks"
] | [
"impeller",
"turbine",
"turbo",
"turbopump"
] | There are plenty of rocket experimenters toying with various liquid-fueled contraptions at the moment, and [Sciencish] is one of them. He grew tired of using air-pressurized fuel delivery systems in his experiments due to safety reasons, and decided to create something approximating more grown up rocket designs.
The re... | 22 | 8 | [
{
"comment_id": "6465149",
"author": "Comedicles",
"timestamp": "2022-04-25T20:35:52",
"content": "The pump that hopes. Why oh why all the dang children’s book titles? Comment Powered by the Little iMac that Could!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,372,715.338241 | ||
https://hackaday.com/2022/04/25/2022-sci-fi-contest-a-mac-based-droid-named-r-o-b/ | 2022 Sci-Fi Contest: A Mac-Based Droid Named R.O.B. | Lewin Day | [
"contests",
"Robots Hacks"
] | [
"2022 Sci-Fi Contest",
"droid",
"r.o.b",
"robot",
"robots"
] | Droids and robot assistants are still not really a part of our daily lives, even if they started showing up in movies many long decades ago. [Rudy Aramaryo] perhaps hopes that will change one day, and is pursuing this goal with
their own droid build named R.O.B.
R.O.B. is quite a hefty ‘bot, weighing 140 lbs and sporti... | 12 | 5 | [
{
"comment_id": "6465116",
"author": "Anonymouse",
"timestamp": "2022-04-25T19:29:02",
"content": "hmm… reminds me of a certain S.A.I.N.T unit made by Nova Robotics.Number five ALIVE!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6465154",
"author": "Pete... | 1,760,372,715.244125 | ||
https://hackaday.com/2022/04/25/explosion-welding-goes-off-with-a-bang/ | Explosion Welding Goes Off With A Bang | Lewin Day | [
"Hackaday Columns",
"Science",
"Slider"
] | [
"explosion welding",
"explosive welding",
"nasa",
"weld",
"welding"
] | Welding is often a hot and noisy process. It generally involves some fancy chemistry and proper knowledge to achieve good results. Whether you’re talking about arc, TIG, or MIG, these statements all apply.
The same is true for explosion welding, though it’s entirely unlike any traditional hand welding methods you’ve ev... | 25 | 12 | [
{
"comment_id": "6465050",
"author": "no",
"timestamp": "2022-04-25T17:21:14",
"content": "Can´t wait that [integza] tries this in his garage.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6465102",
"author": "Zach",
"timestamp": "2022-04-25... | 1,760,372,715.632659 | ||
https://hackaday.com/2022/04/25/software-defined-instrumentation-hack-chat/ | Software Defined Instrumentation Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"Hack Chat"
] | Join us on Wednesday, April 27 at noon Pacific for the
Software Defined Instrumentation Hack Chat
with Ben Nizette!
Imagine, if you will, the perfect electronics lab. Exactly how it looks in your mind will depend a lot upon personal preferences and brand loyalty, but chances are good it’ll be stocked to the gills with ... | 14 | 4 | [
{
"comment_id": "6465016",
"author": "IIVQ",
"timestamp": "2022-04-25T16:21:40",
"content": "Having worked with neither an oscilloscope nor a logic analizer, I always failed to understand why they need to be two separate devices.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,715.022572 | ||
https://hackaday.com/2022/04/24/2022-sci-fi-contest-cyberglove-tests-your-reactions/ | 2022 Sci-Fi Contest: CyberGlove Tests Your Reactions | Lewin Day | [
"contests",
"Wearable Hacks"
] | [
"2022 Sci-Fi Contest",
"addressable leds",
"reaction game",
"reaction trainer",
"ws2812b"
] | Since the 1980s, we’ve seen innumerable attempts to revolutionize the way we interact with computers. Since the advent of keyboards and mice, we’ve seen everything from magic wands to electric gloves, with [Deemo Chen]’s project
fitting into the latter category.
The build takes on a cyberpunk aesthetic, with addressabl... | 1 | 1 | [
{
"comment_id": "6464784",
"author": "John",
"timestamp": "2022-04-24T22:57:34",
"content": "That video makes me cringe. No one should EVER solder breadboarding wires to parts as if they’re pretinned wires. Wire can be found for free in the trash. Those things are expensive! And say no to nonrecharg... | 1,760,372,715.059146 | ||
https://hackaday.com/2022/04/24/xiaomi-cryptographically-signs-scooter-firmware-whats-next/ | Xiaomi Cryptographically Signs Scooter Firmware – What’s Next? | Arya Voronova | [
"Security Hacks",
"Transportation Hacks"
] | [
"digital signature",
"electric scooter",
"elliptic curve cryptography",
"escooter",
"firmware hacking",
"Firmware modding",
"scooter",
"scooter hacking"
] | [Daljeet Nandha] from [RoboCoffee] writes to us,
sharing his research
on cryptographic signature-based firmware authenticity checks recently added to the Xiaomi Mi scooter firmware. Those scooters use an OTA firmware update mechanism over BLE, so you can update your scooter using nothing but a smartphone app – great be... | 33 | 16 | [
{
"comment_id": "6464688",
"author": "aernaut",
"timestamp": "2022-04-24T17:33:27",
"content": "Considering these scooters are usually parked (and locked) in public places, a secure firmware update process helps prevent someone from bricking or otherwise changing the operational characteristics of y... | 1,760,372,715.561287 | ||
https://hackaday.com/2022/04/24/ssh-is-magic-but-tunnels-are-even-better/ | SSH Is Magic, But Tunnels Are Even Better | Jonathan Bennett | [
"internet hacks",
"Linux Hacks"
] | [
"linux",
"ssh",
"SSH Tunnels"
] | Once upon a time, I was doing on-site support for a hardware install at a hotel a few years ago. The remote tech’s remote desktop software didn’t want to play with my Linux laptop, so he couldn’t get into the switch he needed to configure, to make the install work. I asked if it had an SSH port he could use, were he we... | 17 | 8 | [
{
"comment_id": "6464653",
"author": "Jack Dansen",
"timestamp": "2022-04-24T15:05:37",
"content": "Also, more recently SSH implemented ProxyJump which is fantastic for when you need to SSH through a series of servers. Instead of copy your key through every server or setting up a new tunnel at ever... | 1,760,372,715.734015 | ||
https://hackaday.com/2022/04/24/diy-laptop-stand-why-stop-at-one-when-you-can-slot-three/ | DIY Laptop Stand: Why Stop At One When You Can Slot Three? | Donald Papp | [
"laptops hacks"
] | [
"cable management",
"laptop stand",
"multiple laptop",
"organization",
"plywood"
] | We make the tools we need, and that’s definitely the case with [Marco Schulte]’s laptop stand. It slots
not one, not two, but three laptops at once
.
For all their portability, multiple laptops can be a bit clunky to manage on a desk, so [Marco]’s solution definitely saves space while keeping things accessible. The lap... | 15 | 6 | [
{
"comment_id": "6464655",
"author": "rthrthrt",
"timestamp": "2022-04-24T15:10:10",
"content": "all laptops have ugly keyboards",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6464669",
"author": "lj",
"timestamp": "2022-04-24T16:31:41",
... | 1,760,372,715.683743 | ||
https://hackaday.com/2022/04/24/can-you-identify-this-mystery-unicode-glyph/ | Can You Identify This Mystery Unicode Glyph? | Jenny List | [
"News"
] | [
"font",
"glyph",
"unicode"
] | For anyone old enough to have worked with the hell of multiple incompatible character sets, Unicode has been a liberation; a true One Character Set To Contain Them All. We have so many Unicode characters to play with that there’s a fascinating pursuit in itself in probing at the obscure corners of what can be rendered ... | 58 | 30 | [
{
"comment_id": "6464562",
"author": "Vulcan Ignis",
"timestamp": "2022-04-24T08:27:33",
"content": "I call it the LiteCoin Elliptic Curve Symbol",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "8132148",
"author": "Gregorio O. De Mojeca",
"tim... | 1,760,372,716.090149 | ||
https://hackaday.com/2022/04/23/a-fet-oscilloscope-probe-for-higher-frequencies/ | A FET Oscilloscope Probe For Higher Frequencies | Jenny List | [
"Radio Hacks"
] | [
"FET probe",
"RF",
"RF probe"
] | It’s a problem that has dogged electronic engineers since the first electrons were coaxed along a wire: that measuring instruments can themselves disrupt the operation of a circuit. Older multimeters for example had impedances low enough to pull resistor values, thus our multimeters today have high-impedance FET inputs... | 8 | 4 | [
{
"comment_id": "6464557",
"author": "Mike Massen, Perth, Western Australia",
"timestamp": "2022-04-24T08:02:36",
"content": "Hmm, nice idea, I recall National Semiconductor had an application note some 25+ years ago for a 100MOhm diff amp with very cheap ICs, worked a treat though didn’t need it ab... | 1,760,372,715.891449 | ||
https://hackaday.com/2022/04/23/riding-mower-cvt-upgrade-really-gets-things-moving/ | Riding Mower CVT Upgrade Really Gets Things Moving | Tom Nardi | [
"Transportation Hacks"
] | [
"CVT",
"drivetrain",
"racing",
"riding mower"
] | As we’ve learned from past experience, videos from [HowToLou] tend to be a bit controversial. His unique style of expedient engineering isn’t everyone’s cup of tea, especially when it’s combined with a devil-may-care attitude towards safety. On the other hand, there’s no arguing that his methods get results. His video ... | 7 | 6 | [
{
"comment_id": "6464644",
"author": "dm",
"timestamp": "2022-04-24T14:21:53",
"content": "Many wives would say this is exactly why men don’t live as long as women do! Hogwash! I feel the need for speed!!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6464... | 1,760,372,715.999319 | ||
https://hackaday.com/2022/04/23/retrotechtacular-the-power-to-stop/ | Retrotechtacular: The Power To Stop | Dan Maloney | [
"Retrotechtacular"
] | [
"brakes",
"cast iron",
"dynanometer",
"metallurgy",
"phosphorus",
"railroad",
"railway",
"retrotechtacular",
"train"
] | In everyday life, the largest moving object most people are likely to encounter is probably a train. Watching a train rolling along a track, it’s hard not to be impressed with the vast amount of power needed to put what might be a mile-long string of hopper cars carrying megatons of freight into motion.
But it’s the ot... | 22 | 8 | [
{
"comment_id": "6464431",
"author": "Paul",
"timestamp": "2022-04-24T01:35:35",
"content": "Megatons? Sanity check please.More like kilotons.(rule of thumb: a ton per foot.)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6464588",
"author": "lj",
... | 1,760,372,715.949683 | ||
https://hackaday.com/2022/04/23/2022-sci-fi-contest-your-home-assistant-hal-9000/ | 2022 Sci-Fi Contest: Your Home Assistant, HAL 9000 | Lewin Day | [
"contests",
"home hacks"
] | [
"2022 Sci-Fi Contest",
"chromecast",
"hal",
"hal 9000"
] | Anyone who has seen
2001: A Space Odyssey
will easily remember HAL 9000, the sentient computer that turned against its human companions aboard Spacecraft Discovery One. [Ben Brooks] decided to recreate the foreboding digital being,
and put it to work as a smart home assistant.
The build consists of a 3D printed assembl... | 17 | 8 | [
{
"comment_id": "6464386",
"author": "Steven-X",
"timestamp": "2022-04-23T21:44:24",
"content": "If I ever get off my lazy butt I’m going tp repackage my older Echo Dot into this form factor.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6464388",
"author... | 1,760,372,716.200087 | ||
https://hackaday.com/2022/04/23/a-universal-non-planar-slicer-for-3d-printing-is-worth-thinking-about/ | A Universal, Non-planar Slicer For 3D Printing Is Worth Thinking About | Donald Papp | [
"3d Printer hacks",
"Software Development"
] | [
"3d printing",
"non-planar",
"slicing",
"universal slicer"
] | One may think that when it comes to 3D printing, slicing software is pretty much a solved problem. Take a 3D model, slice it into flat layers equal to layer height, and make a toolpath so the nozzle can create those layers one at a time. However, as 3D printing becomes more complex and capable, this “flat planar slicin... | 28 | 9 | [
{
"comment_id": "6464314",
"author": "Sok Puppette",
"timestamp": "2022-04-23T17:17:23",
"content": "So, the thing is that it’s relatively, sort of, vaguely, easy to figure out that kind of slicing… until you have to think about whether the tool head is going to hit any parts of any reasonably compl... | 1,760,372,716.501788 | ||
https://hackaday.com/2022/04/23/research-its-like-cheating-but-fair/ | Research: It’s Like Cheating, But Fair | Elliot Williams | [
"Rants",
"Reverse Engineering"
] | [
"bugs",
"Getting Started",
"hacking",
"research",
"reverse engineering"
] | My niece’s two favorite classes in high school this year are “Intro to AI” and “Ethical Hacking”. (She goes to a much cooler high school than I did!) In “Hacking”, she had an assignment to figure out some bug in some body of code. She was staring and staring, figuring and figuring. She went to her teacher and said she ... | 53 | 22 | [
{
"comment_id": "6464264",
"author": "Antron Argaiv",
"timestamp": "2022-04-23T14:32:02",
"content": "My favorite phrase is “on The Internet, in between the kiddie porn and the bomb-making instructions, I found…”While the internet is often maligned as a “wretched hive of scum and villainy”, it is al... | 1,760,372,716.594539 | ||
https://hackaday.com/2022/04/23/omnibot-shows-off-over-a-decade-of-cnc-prowess/ | Omnibot Shows Off Over A Decade Of CNC Prowess | Ryan Flowers | [
"Robots Hacks"
] | [
"cnc",
"CNC router",
"mold making",
"resin",
"robot platform"
] | At first glance, you might think the Omnibot v3 wasn’t anything more than a basic 3D printed robotics platform, but you’d be wrong on both counts. There’s actually no 3D printed parts on the build, and while you could describe the platform as simplistic, calling it basic certainly doesn’t do the clever design justice.
... | 17 | 9 | [
{
"comment_id": "6464237",
"author": "Foldi-One",
"timestamp": "2022-04-23T11:46:16",
"content": "Resin casting is great, but I’m not sure I’d call it garage freindly – they tend to be unheated/cooled and resin working times are temperature affected, and so can be the final parts mechanical properti... | 1,760,372,716.256972 | ||
https://hackaday.com/2022/04/23/high-temp-heat-engine-achieves-40-efficiency/ | High Temp Heat Engine Achieves 40% Efficiency | Al Williams | [
"News",
"Science"
] | [
"energy",
"heat",
"mit",
"waste heat"
] | People generate lots of waste heat. It makes sense that there is a desire to convert that heat into usable energy. The problem is one of efficiency. Researchers from MIT and the National Renewable Energy Lab have announced
a new heat converter
that they claim has 40% efficiency. Of course, there’s a catch. The temperat... | 17 | 7 | [
{
"comment_id": "6464198",
"author": "helge",
"timestamp": "2022-04-23T08:51:33",
"content": "There’s an entire field of waste heat thermoelectric energy harvesting. Reference that as an intro is unfortunate, if not bait-and-switch.Anyway, a tangible comparison can be made between TPV cells and an o... | 1,760,372,716.431017 | ||
https://hackaday.com/2022/04/22/meet-the-routerpi-a-compute-module-4-based-gbe-router/ | Meet The RouterPi, A Compute Module 4 Based GbE Router | Ryan Flowers | [
"Network Hacks",
"Raspberry Pi",
"Software Development"
] | [
"cm4",
"compute module 4",
"firewall",
"GbE",
"iptables",
"linux",
"nat",
"raspberry pi"
] | [Zak Kemble] likes to build things, and for several years has been pining over various Raspberry Pi products with an eye on putting them into service as a router. Sadly, none of them so far provided what he was looking for with regard to the raw throughput of the Gigabit Ethernet ports. His hopes were renewed when the ... | 26 | 9 | [
{
"comment_id": "6464177",
"author": "Kryptylomese",
"timestamp": "2022-04-23T06:49:57",
"content": "Where can I buy one?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6464184",
"author": "Clueless",
"timestamp": "2022-04-23T07:28:37",
... | 1,760,372,716.664609 | ||
https://hackaday.com/2022/04/25/machine-vision-helps-you-terminate-failing-3d-print-jobs/ | Machine Vision Helps You Terminate Failing 3D Print Jobs | Robin Kearey | [
"3d Printer hacks"
] | [
"3d printer upgrade",
"machine vision",
"Remote monitoring"
] | If you’re a 3D printer user you’re probably familiar with that dreaded feeling of returning to your printer a few hours after submitting a big job, only to find that it threw an error and stopped printing, or worse, turned half a spool of filament into a useless heap of twisted plastic. While some printers come with re... | 13 | 8 | [
{
"comment_id": "6465017",
"author": "mrehorst",
"timestamp": "2022-04-25T16:21:54",
"content": "You can achieve similar functionality without a camera by homing the printer periodically during the print, maybe every 5th or 10th layer (you could do it with every layer but that will add a lot of prin... | 1,760,372,716.791082 | ||
https://hackaday.com/2022/04/25/axioms-private-iss-mission-was-no-space-vacation/ | Axiom’s Private ISS Mission Was No Space Vacation | Tom Nardi | [
"Current Events",
"Featured",
"Slider",
"Space"
] | [
"Axiom Space",
"commercial space",
"international space station",
"SpaceX"
] | In an era where anyone with deep enough pockets can hitch a ride to the edge of space and back, you’d be forgiven for thinking that
Axiom’s Ax-1 mission to the International Space Station
was little more than a pleasure cruise for the four crew members. Granted it’s a higher and faster flight than the suborbital hops t... | 14 | 8 | [
{
"comment_id": "6464990",
"author": "fiddlingjunky",
"timestamp": "2022-04-25T14:35:53",
"content": "Some funny things in that TESSERAE animation: anti-spinwise direct launch (let’s not even talk about the lack of a gravity turn), the first stage going along for the ride to mars (with RTLS fins and... | 1,760,372,716.737132 | ||
https://hackaday.com/2022/04/25/insteon-abruptly-shuts-down-users-left-smart-home-less/ | Insteon Abruptly Shuts Down, Users Left Smart-Home-Less | Arya Voronova | [
"home hacks",
"News"
] | [
"bankruptcy",
"home automation",
"Insteon",
"internet of things",
"IoT",
"proprietary",
"smart home"
] | In today’s “predictable things that happened before and definitely will happen again”, Insteon, a smart home company boasting the Insteon ecosystem of devices built around their proprietary communication standards,
has shut down their servers
without a warning. For almost two decades,
Insteon
used to offer products lik... | 88 | 31 | [
{
"comment_id": "6464917",
"author": "ConsultingJoe",
"timestamp": "2022-04-25T11:23:04",
"content": "Lol and I just sold a usb module.This sucks.They were the best before google and alexa took over",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6464918",
... | 1,760,372,717.109268 | ||
https://hackaday.com/2022/04/25/testing-7-wago-like-wire-connectors-for-science-and-fire/ | Testing 7 Wago-like Wire Connectors For Science And Fire | Maya Posch | [
"home hacks"
] | [
"clamp lever terminal",
"electrical safety",
"house wiring"
] | At the intersection of saving a few bucks and expensive home insurance claims due to a house fire, we find clones of certified and tested electrical connectors, even when many would argue that so-called wire nuts are fire hazards no matter how many certification labels are on them. When it comes to no-fuss wire connect... | 31 | 11 | [
{
"comment_id": "6464876",
"author": "HackJack",
"timestamp": "2022-04-25T08:07:40",
"content": "WAGO design is fundamental. I am just surprised that it took so long for the idea to catch on.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6464899",
"... | 1,760,372,716.863503 | ||
https://hackaday.com/2022/04/24/all-dressed-up-and-nowhere-to-flow-russias-nord-stream-2-pipeline/ | All Dressed Up And Nowhere To Flow: Russia’s Nord Stream 2 Pipeline | Ryan Flowers | [
"News",
"Science"
] | [
"maritime",
"maritime engineering",
"natural gas",
"pipeline",
"underwater",
"welding"
] | At over 1230 km (764 mi) in length, $10 billion in cost, and over a decade in the making, the Nord Stream 2 pipeline was slated to connect the gas fields of Russia to Western Europe through Germany. But with the sanctions against Russia and the politics of the pipeline suffering a major meltdown, this incredible feat o... | 37 | 13 | [
{
"comment_id": "6464855",
"author": "Menno",
"timestamp": "2022-04-25T06:10:44",
"content": "Maybe the pipeline can still be used to shoot Russian defectors to the West.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6465014",
"author": "GeneralFaul... | 1,760,372,716.954681 | ||
https://hackaday.com/2022/04/24/ibm-pcjr-types-again-thanks-to-keybjr/ | IBM PCjr Types Again, Thanks To KeybJr | Donald Papp | [
"Peripherals Hacks",
"Retrocomputing"
] | [
"ibm",
"ir",
"keyboard",
"pcjr",
"vintage"
] | Most of us think of keyboards — even vintage ones — as being fairly standardized and interchangeable, but that isn’t the case for the IBM PCjr. Its keyboard was quite unlike most others of its time, which means that a PCjr without an original keyboard is pretty much a dust collector. That’s what led [Jozef Bogin] to cr... | 6 | 4 | [
{
"comment_id": "6464840",
"author": "Oscar Goldman",
"timestamp": "2022-04-25T04:42:21",
"content": "I remember the scorn heaped upon the PCJr keyboard for being a “chiclet” one. Fast-forward to the mid-2010s, when Apple sold five years’ worth of computers with keyboards that were far inferior not ... | 1,760,372,717.162247 | ||
https://hackaday.com/2022/04/24/hackaday-links-april-24-2022/ | Hackaday Links: April 24, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"bookbinding",
"bricking",
"comet",
"cookie",
"hackaday links",
"Insteon",
"IoT",
"Luxembourg",
"modulus",
"oreo",
"Rhode Island",
"shear",
"skiving",
"torque"
] | Wait, what? Is it possible that a tech company just killed off a product with a huge installed base of hardware and a community of dedicated users, and it wasn’t Google? Apparently not, if the stories of
the sudden demise of Insteon
are to be believed. The cloud-based home automation concern seems to have just disappea... | 11 | 5 | [
{
"comment_id": "6464789",
"author": "Slacker",
"timestamp": "2022-04-24T23:13:10",
"content": "Never trust any product where any part of its function lies within the cloud and not the product itself.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6464993",
... | 1,760,372,717.210341 | ||
https://hackaday.com/2022/04/22/add-conductive-traces-on-vacuum-formed-plastic-with-3d-printing/ | Add Conductive Traces On Vacuum Formed Plastic With 3D Printing | Anne Ogborn | [
"3d Printer hacks",
"News"
] | [
"3d print",
"conductive ink",
"vacuum forming"
] | Surface conductors on vacuum formed parts appear in many hacks, from cosplay armor to 3D touch pads and smart objects. But making them has always been painful. Either they had to be hand painted after forming, which looked sloppy and was labor intensive, or they had to be printed with some difficult to use stretchable ... | 3 | 2 | [
{
"comment_id": "6464964",
"author": "BantamBasher",
"timestamp": "2022-04-25T13:43:06",
"content": "“We like this process. We’ve found conductive filament isn’t reliably resistive across vertical layers, but is reliable in the XY plane.” Do you have a source for this? I am currently writing a prop... | 1,760,372,717.255641 | ||
https://hackaday.com/2022/04/22/harder-drives-impractical-slow-amazing-and-incredible/ | Hard(er) Drives: Impractical, Slow, Amazing, And Incredible | Ryan Flowers | [
"classic hacks"
] | [
"great hacks",
"hack",
"icmp",
"kilobytes",
"memory",
"ping",
"storage",
"tetris",
"virtual machine"
] | Computer memory is a problem that has been solved for many years. But early on, it was more than just a small problem. We’ve many of the different kinds at Hackaday over the years, and we’ll link to some of them later on. But one of the original types of memory was called Delay Line memory, which worked by waiting for ... | 19 | 10 | [
{
"comment_id": "6464111",
"author": "Nuxi",
"timestamp": "2022-04-23T01:37:00",
"content": "Why am I only now learning about SIGBOVIK? I know what I’ll be binging on this weekend.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6464112",
"author": "LordNot... | 1,760,372,717.447571 | ||
https://hackaday.com/2022/04/22/building-an-edge-lit-sign-from-the-scrap-pile/ | Building An Edge Lit Sign From The Scrap Pile | Tom Nardi | [
"Art",
"LED Hacks"
] | [
"acrylic",
"edge lighting",
"meccano",
"sign"
] | Whether in a shop window or mounted to the top of consoles in NASA’s Mission Control Center, edge lit acrylic is a popular choice for making high visibility signs. Partly because of their striking hologram-like appearance, but also because they’re exceptionally cheap and easy to produce. Just
how
cheap and easy? Take a... | 3 | 1 | [
{
"comment_id": "6464352",
"author": "Johannes Burgel",
"timestamp": "2022-04-23T19:18:55",
"content": "Where do I find more information about this “Linear LED”? Internet search was not helpful.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6464654",
... | 1,760,372,717.300812 | ||
https://hackaday.com/2022/04/22/2022-sci-fi-contest-a-very-star-wars-door/ | 2022 Sci-Fi Contest: A VeryStar WarsDoor | Lewin Day | [
"contests",
"LED Hacks"
] | [
"2022 Sci-Fi Contest",
"Carbonite",
"Han Solo",
"star wars"
] | Every fan of the original
Star Wars
trilogy knows the plight of Han Solo, who was so cruelly frozen in carbonite by Imperial forces. [erv.plecter] came into possession of a replica Solo, this time frozen in polyurethane,
and set about using it as the door for a home theater setup.
Just like in the movie, there are a se... | 0 | 0 | [] | 1,760,372,717.482511 | ||
https://hackaday.com/2022/04/22/movie-prop-electronics-hack-chat-takes-us-behind-the-scenes/ | Movie Prop Electronics Hack Chat Takes Us Behind The Scenes | Tom Nardi | [
"Hackaday Columns"
] | [
"Adafruit Feather",
"ghostbusters",
"Hack Chat",
"movie props",
"props",
"star trek"
] | It’s no surprise that the hacking and making community has traditionally had something of a love affair with movie props, especially those of the science fiction variety. Over the years we’ve seen folks put untold hours into incredible recreations of their favorite pieces of fictional gear — and by the time this post g... | 1 | 1 | [
{
"comment_id": "6464290",
"author": "Jerry",
"timestamp": "2022-04-23T16:14:18",
"content": "The struggle is real.. I just purchased a bag of LED Laser components, perchance to add sighting to some random nerf guns. A bit of camo paint, instant prop. Amazon has everything.",
"parent_id": null,
... | 1,760,372,717.532218 | ||
https://hackaday.com/2022/04/22/hackaday-podcast-165-old-printers-dark-towers-3dp-gaskets-and-wavy-traces/ | Hackaday Podcast 165: Old Printers, Dark Towers, 3DP Gaskets, And Wavy Traces | Kristina Panos | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Join Hackaday Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos as we gab about the most interesting hacks and stories of the previous week. This time, we start off by marveling over everything happening this weekend. Most urgently, it’s your last chance to enter
the 2022 Sci-Fi contest
, which clos... | 6 | 3 | [
{
"comment_id": "6463953",
"author": "Quartet",
"timestamp": "2022-04-22T17:29:24",
"content": "Today’s outro/blooper song is brought to you by: Trio!https://youtube.com/watch?v=4_kZdimDGfM",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6464021",
"au... | 1,760,372,717.573852 | ||
https://hackaday.com/2022/04/22/blu-ray-microscope-uses-blood-cells-as-lenses/ | Blu-ray Microscope Uses Blood Cells As Lenses | Anne Ogborn | [
"chemistry hacks",
"Laser Hacks",
"Medical Hacks"
] | [
"blood",
"blu-ray",
"CCD",
"digital microscope"
] | When you think of high-throughput ptychographic cytometry (wait, you
do
think about high throughput ptychographic cytometry, right?) does it bring to mind something you can hack together from an old Blu-ray player, an Arduino, and, er, some blood? Apparently so for [Shaowei Jiang] and some of his buddies in this
ACS Se... | 12 | 9 | [
{
"comment_id": "6463934",
"author": "Ethan Waldo",
"timestamp": "2022-04-22T16:03:13",
"content": "Looks like they’ve built upon the pioneering work of Dr. Edwin En-Te Hwu and his teamhttps://scholar.google.com/citations?user=0sqEbLEAAAAJ&hl=enwho have been featured on Hackaday beforehttps://hackad... | 1,760,372,717.633516 | ||
https://hackaday.com/2022/04/22/this-week-in-security-javas-psychic-signatures-aws-escape-and-a-nasty-windows-bug/ | This Week In Security: Java’s Psychic Signatures, AWS Escape, And A Nasty Windows Bug | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"ECDSA",
"Log4Shell",
"This Week in Security"
] | Java versions 15, 16, 17, and 18 (and maybe some older versions) have a big problem,
ECDSA signature verification is totally broken
. The story is a prime example of the dangers of unintended consequences, the pitfall of rolling your own crypto, and why to build a test suite for important code. In Java 15, the ECDSA ve... | 2 | 2 | [
{
"comment_id": "6464001",
"author": "Doc",
"timestamp": "2022-04-22T19:44:10",
"content": "one processors code is anothers malware",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6464187",
"author": "Ewald",
"timestamp": "2022-04-23T07:42:53",
"con... | 1,760,372,717.715095 | ||
https://hackaday.com/2022/04/22/modular-anti-drone-drone-sacrifices-itself-for-self-defense/ | Modular Anti-Drone Drone Sacrifices Itself For Self Defense | Ryan Flowers | [
"drone hacks"
] | [
"anti drone defenses",
"anti-drone",
"drone defense",
"racing drone",
"take down net"
] | Part Racing Drone, Part RC Airplane, Part Rocket…all Menace
. How else could you describe a quadcopter that shoots off at high speed and is designed for taking down other small quadcopters? The
Interceptor Drone by [Aleksey]
borrows elements from all of the aforementioned disciplines of flying things.
Built with standa... | 18 | 10 | [
{
"comment_id": "6463882",
"author": "Danjovic",
"timestamp": "2022-04-22T12:53:24",
"content": "Deadly flying carrot!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6464192",
"author": "Jason",
"timestamp": "2022-04-23T08:08:49",
"co... | 1,760,372,717.825089 | ||
https://hackaday.com/2022/04/22/machine-learning-helps-you-get-in-shape-while-working-a-desk-job/ | Machine Learning Helps You Get In Shape While Working A Desk Job | Robin Kearey | [
"computer hacks",
"Machine Learning"
] | [
"fitness",
"image recognition",
"machine learning",
"push-ups"
] | Humans weren’t made to sit in front of a computer all day, yet for many of us that’s how we spend a large part of our lives. Of course we all know that it’s important to get up and move around every now and then to stretch our muscles and get our blood flowing, but it’s easy to forget if you’re working towards a deadli... | 9 | 5 | [
{
"comment_id": "6463854",
"author": "tomás zerolo",
"timestamp": "2022-04-22T10:56:04",
"content": "“Humans weren’t made to sit in front of a computer all day …”Oh. They weren’t? You sure?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6463873",
"author":... | 1,760,372,717.765565 | ||
https://hackaday.com/2022/04/21/optimized-super-mario-64-offers-exciting-possibilities/ | OptimizedSuper Mario 64Offers Exciting Possibilities | Matthew Carlson | [
"Games",
"Nintendo Hacks",
"Software Development"
] | [
"nintendo 64",
"refactoring",
"super mario 64"
] | When working on any software project, the developers have to balance releasing on time with optimizations. As long as you are hitting your desired time constraints, why not just ship it earlier? It’s no secret that
Super Mario 64
, a hotly anticipated launch title for the Nintendo 64 console in 1996, had a lot of optim... | 13 | 10 | [
{
"comment_id": "6463794",
"author": "Miles",
"timestamp": "2022-04-22T06:11:26",
"content": "Thoughts,First his ram alignment and optimizations require the ram expansion pack.Second I am quite curious whether any of the optimizations would translate to the PC port.He is doing this to make his custo... | 1,760,372,717.904618 | ||
https://hackaday.com/2022/04/21/electric-chopsticks-bring-the-salt-not-the-pain/ | Electric Chopsticks Bring The Salt, Not The Pain | Kristina Panos | [
"chemistry hacks",
"News"
] | [
"chopsticks",
"electric chopsticks",
"miracle berry",
"salt",
"umami"
] | The Japanese people love their salt, perhaps as much as Americans love their
sugar
high fructose corn syrup and caffeine. But none of these are particularly good for you. Although humans do need some salt in their diets to continue existing, the average Japanese person may be eating too much of it on a regular basis — ... | 12 | 5 | [
{
"comment_id": "6463773",
"author": "Brian",
"timestamp": "2022-04-22T02:44:08",
"content": "I’m not sure 1.5X is worth the effort, but interesting nonetheless.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6464083",
"author": "Gareth Alexander Bau... | 1,760,372,718.070866 | ||
https://hackaday.com/2022/04/21/car-hacker-hacks-lawn-care-carb-into-hot-rod-car/ | Car Hacker Hacks Lawn Care Carb Into Hot Rod Car | Ryan Flowers | [
"3d Printer hacks",
"car hacks"
] | [
"3d printing",
"automotive",
"carburetor",
"mpg",
"small block ford"
] | Internal combustion engines have often been described (quite correctly) as air pumps, and because of this nature, they tend to respond very well to more air. Why? Because more air means more fuel, and more fuel means more power- the very nature of hot rodding itself. [Thunderhead289] is an accomplished car hacker, and ... | 45 | 11 | [
{
"comment_id": "6463732",
"author": "ThisGuy",
"timestamp": "2022-04-21T23:15:46",
"content": "Gasoline engines are not going anywhere for a LONG time to come. Electric doesn’t yet work for everyone for a multitude of reasons, electric cars are currently still very expensive (especially compared to... | 1,760,372,718.162461 | ||
https://hackaday.com/2022/04/21/scanning-receipts-proves-trickier-than-anticipated/ | Scanning Receipts Proves Trickier Than Anticipated | Tom Nardi | [
"digital cameras hacks",
"Software Hacks"
] | [
"api",
"ocr",
"optical character recognition",
"receipt",
"scanner"
] | It’s one of those things that certainly sounds simple enough: take a picture of a receipt, run it through optical character recognition (OCR), and send the resulting information to whatever expense-tracking website or software you wish. There are companies that offer such a service, so it can’t be too difficult to repl... | 25 | 10 | [
{
"comment_id": "6463690",
"author": "CRJEEA",
"timestamp": "2022-04-21T20:24:32",
"content": "The qr code reads, “ingest me”, if anyone was interested.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6463799",
"author": "Bartz0r",
"timestamp"... | 1,760,372,718.237241 | ||
https://hackaday.com/2022/04/21/2022-sci-fi-contest-a-star-wars-mouse-droid-of-your-very-own/ | 2022 Sci-Fi Contest: AStar WarsMouse Droid Of Your Very Own | Lewin Day | [
"contests",
"Toy Hacks"
] | [
"2022 Sci-Fi Contest",
"droid",
"mouse droid",
"robot",
"robot companion",
"star wars"
] | The show-stealing droids of
Star Wars,
R2-D2 and C-3PO, are quite challenging to replicate at home, due to their size and complexity. [curiousmarc] had built the former, with much work going into drawing and design. The more humble Mouse Droid, as seen skittering about the halls of the Death Star, is a considerably eas... | 5 | 2 | [
{
"comment_id": "6463642",
"author": "Comedicles",
"timestamp": "2022-04-21T18:43:40",
"content": "Put an aluminum “dog head” on it and you get something familiar.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6463661",
"author": "Antron Argaiv",
... | 1,760,372,718.297684 | ||
https://hackaday.com/2022/04/21/the-honda-takedown-how-a-global-brand-failed-to-read-the-room/ | The Honda Takedown: How A Global Brand Failed To Read The Room | Jenny List | [
"3d Printer hacks",
"Current Events",
"Featured",
"Slider"
] | [
"3d printing",
"Honda",
"intellectual property"
] | Perhaps the story of the moment in the world of 3D printing concerns a Japanese manufacturer of cars and motorcycles. Honda has
sent a takedown notice requesting the removal of models starting with the word “Honda”
to the popular 3D printing model repository site Printables. It’s left in its wake puzzlement, disappoint... | 141 | 41 | [
{
"comment_id": "6463616",
"author": "tomás zerolo",
"timestamp": "2022-04-21T17:25:04",
"content": "FUD [1]. It’s a proven tactic.It’s telling that big corps resort to the classical tactics of totalitarian regimes.I strongly hope something bad happens to Honda out of this.[1]https://en.wikipedia.or... | 1,760,372,719.335743 | ||
https://hackaday.com/2022/04/21/watch-a-complete-reflector-telescope-machined-from-a-single-block-of-glass/ | Watch A Complete Reflector Telescope Machined From A Single Block Of Glass | Dan Maloney | [
"Parts"
] | [
"glass",
"hyperbolic",
"machining",
"miror",
"optics",
"parabolic",
"reflector",
"Schmidt-Cassegrain"
] | If this is the easy part of
making a complete reflector telescope from a single piece of glass
, we can’t wait to get a load of the hard part!
A little backstory may be in order for those who don’t follow [Jeroen Vleggaar]’s
Huygens Optics
channel on YouTube. A few months ago, he released
a video discussing monolithic ... | 16 | 12 | [
{
"comment_id": "6463612",
"author": "acidbourbon",
"timestamp": "2022-04-21T17:18:43",
"content": "Wow. He has all that in his basement? :O",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6463615",
"author": "Physics Ultras (hea BVB)!!!",
"timestamp": ... | 1,760,372,718.350585 | ||
https://hackaday.com/2022/04/21/linux-fu-an-odd-use-for-fork/ | Linux Fu: An Odd Use For Fork() | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Slider"
] | [
"fork",
"linux"
] | If you are a Star Trek fan, you’ll probably remember the phrase “
You have to learn why things work on a starship
.” The truth is, in most episodes, knowing how to override another ship’s console or make gunpowder didn’t come in very handy, but boy when it did, it really saved the day. Linux is a lot like that. There a... | 46 | 14 | [
{
"comment_id": "6463559",
"author": "robertklep",
"timestamp": "2022-04-21T14:10:30",
"content": "I must be getting old, the number of times I used `fork()` like this far outshadows the number of times I used it combined with `exec()` 😅 It’s what we did before multithreading was common place.",
... | 1,760,372,718.451123 | ||
https://hackaday.com/2022/04/21/modular-laptop-maker-provides-mainboard-documentation-for-non-laptop-projects/ | Modular Laptop Maker Provides Mainboard Documentation For Non-Laptop Projects | Ryan Flowers | [
"computer hacks"
] | [
"3D printable",
"framework",
"hack",
"laptop",
"mainboard",
"motherboard",
"x86 sbc"
] | If you’ve been following the latest advancements in computing for a while, you already know that there’s a big problem with laptops: When they’re no longer useful as a daily driver, it can be a struggle to find a good use for all its parts. Everything is proprietary, and serious amounts of reverse engineering are requi... | 27 | 5 | [
{
"comment_id": "6463536",
"author": "Foldi-One",
"timestamp": "2022-04-21T12:37:19",
"content": "Nice, if I actually had a need for a new laptop the Framework was currently at the top of my list as it seems by far the most versatile and least likely to turn to e-waste any time soon, and now its got... | 1,760,372,718.522705 | ||
https://hackaday.com/2022/04/21/hoverbike-turns-hoverboard-into-ebike/ | Hoverbike Turns Hoverboard Into Ebike | Bryan Cockfield | [
"Transportation Hacks"
] | [
"bicycle",
"bike",
"controller",
"ebike",
"electric",
"frame",
"hoverbike",
"hoverboard",
"motor",
"throttle"
] | Hoverboards were a popular trend with the youths and in-crowd a few years ago, and now that the fad has largely died out there are plenty of them sitting unused in closets and basements around the world. That only means opportunities to put the parts from these unique transportation devices into other builds. A more pr... | 1 | 1 | [
{
"comment_id": "6463497",
"author": "Kevin Michael Callihan Sr.",
"timestamp": "2022-04-21T08:26:02",
"content": "Thank you kindly for the excellent idea!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,718.637226 | ||
https://hackaday.com/2022/04/20/smt-part-counter-aims-to-ease-taking-inventory/ | SMT Part Counter Aims To Ease Taking Inventory | Donald Papp | [
"Crowd Funding",
"Tool Hacks"
] | [
"7 segment",
"Crowd Funding",
"Crowd Supply",
"inventory",
"kit production",
"smt reel",
"SMT tape",
"tools"
] | [Nick Poole] has an interesting idea for a new tool, one that has the simple goal of making accurate part counts of SMT reels as easy as pulling tape through a device. That device is the
BeanCounter
, an upcoming small handheld unit of his own design that counts parts as quickly as one can pull tape through a slot. The... | 16 | 7 | [
{
"comment_id": "6463485",
"author": "Zehan",
"timestamp": "2022-04-21T05:51:26",
"content": "A ordinary ruler can do the same job.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6463495",
"author": "Cami",
"timestamp": "2022-04-21T08:06:31",... | 1,760,372,718.692059 |
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