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https://hackaday.com/2024/03/27/floss-weekly-episode-776-dnsmasq-making-the-internet-work-since-1999/
FLOSS Weekly Episode 776: Dnsmasq, Making The Internet Work Since 1999
Jonathan Bennett
[ "Podcasts" ]
[ "FLOSS Weekly", "open source" ]
https://hackaday.com/wp-…pewire.jpg?w=800
This week Jonathan Bennett and Simon Phipps sit down with Simon Kelley to talk about Dnsmasq! That’s a piece of software that was first built to get a laptop online over LapLink, and now runs on most of the world’s routers and phones. How did we get here, and what does the future of Dnsmasq look like? For now, Dnsmasq ...
4
2
[ { "comment_id": "6745137", "author": "Ostracus", "timestamp": "2024-03-28T00:54:54", "content": "“But the beauty of the project being available under the GPL is that if Simon Kelley walks away, Google, OpenWRT, and other users can fork and continue maintenance as needed.”Like OpenSSL and Heartbleed....
1,760,371,965.573564
https://hackaday.com/2024/03/26/how-does-time-work-on-the-moon/
How Does Time Work On The Moon?
Lewin Day
[ "Featured", "Interest", "Science", "Slider" ]
[ "lunar", "lunar time", "moon", "moon base" ]
https://hackaday.com/wp-…_irwin.jpg?w=800
We’re looking to go back to the Moon. Not just with robots this time, but with astronauts, too! They’ll be doing all kinds of interesting things when they get there. Maybe they’ll even work towards establishing a more permanent presence for humanity on the lunar surface, in which case they’ll have to get up in the morn...
46
19
[ { "comment_id": "6744696", "author": "TG", "timestamp": "2024-03-26T14:15:24", "content": "You use a Lunar calendar. Duh doy!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744846", "author": "LordNothing", "timestamp": "2024-03-26T23:13:08"...
1,760,371,965.361087
https://hackaday.com/2024/03/26/reprogrammable-transistors/
Reprogrammable Transistors
Bryan Cockfield
[ "Science" ]
[ "doping", "electric field", "electrostatic", "research", "transistor" ]
https://hackaday.com/wp-…r-main.jpg?w=800
Not every computer can make use of a disk drive when it needs to store persistent data. Embedded systems especially have pushed the development of a series of erasable programmable read-only memories (EPROMs) because of their need for speed and reliability. But erasing memory and writing it over again, whether it’s an ...
21
10
[ { "comment_id": "6744644", "author": "Ostracus", "timestamp": "2024-03-26T11:22:01", "content": "Fixing security issues.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744670", "author": "Heartsbreaker", "timestamp": "2024-03-26T12:39:14", ...
1,760,371,965.418297
https://hackaday.com/2024/03/26/this-air-particulate-sensor-can-also-check-your-pulse-rate/
This Air Particulate Sensor Can Also Check Your Pulse Rate
Lewin Day
[ "Parts" ]
[ "blood", "heart rate", "max30105", "pulse", "pulse oximeter", "sensor" ]
https://hackaday.com/wp-…18105.webp?w=800
The MAX30105 is an optical sensor capable of a great many things. It can sense particulate matter in the air, or pick up the blinking of an eye. Or, you can use it as a rudimentary way to measure your heart rate and blood oxygen levels. It’s by no means a medical grade tool, but this build from [Taste The Code] is stil...
7
6
[ { "comment_id": "6744612", "author": "Cs", "timestamp": "2024-03-26T08:38:53", "content": "Neat, I questioned whether an air quality sensor would sample fast enough for heart rate monitoring, but it turns out the chip goes up to 3200 sampler per second", "parent_id": null, "depth": 1, "r...
1,760,371,965.213256
https://hackaday.com/2024/03/25/real-hidden-messages-in-music/
Documenting Real Hidden Messages In Music
Bryan Cockfield
[ "Musical Hacks" ]
[ "cassette", "data", "hidden", "music", "programs", "retrocomputing", "satanic panic", "vinyl" ]
https://hackaday.com/wp-…s-main.jpg?w=800
During the 1980s, a moral panic swept across the landscape with the mistaken belief that there were Satanic messages hidden in various games, books, and music that at any moment would corrupt the youth of the era and destroy society as we knew it. While completely unfounded, it turns out that there actually were some h...
22
12
[ { "comment_id": "6744579", "author": "Joe", "timestamp": "2024-03-26T05:07:56", "content": "Evil hidden alongside music? You must be thinking of the malware Sony put on their CDs.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744710", "author": "J....
1,760,371,965.47886
https://hackaday.com/2024/03/25/complex-organic-chemistry-in-sulfuric-acid-and-life-on-venus/
Complex Organic Chemistry In Sulfuric Acid And Life On Venus
Maya Posch
[ "Science", "Space" ]
[ "astrobiology", "biochemistry" ]
https://hackaday.com/wp-…orized.jpg?w=800
Finding extraterrestrial life in any form would be truly one of the largest discoveries in humankind’s history, yet after decades of scouring the surface of Mars and investigating other bodies like asteroids, we still have found no evidence. While we generally assume that we’re looking for carbon-based lifeforms in a w...
25
12
[ { "comment_id": "6744570", "author": "TG", "timestamp": "2024-03-26T04:20:54", "content": "The cosmic coincidence of the atmospheric pressure and temperature at a certain altitude on Venus both being Earthlike combined with the fact that our habitat atmosphere would be a lifting gas is too tempting....
1,760,371,965.907899
https://hackaday.com/2024/03/25/are-minimills-worth-it/
Are Minimills Worth It?
Al Williams
[ "Tool Hacks" ]
[ "Machine tool", "mill", "minimill" ]
https://hackaday.com/wp-…3/mill.png?w=800
These days, the bar for home-built projects is high. With 3D printers, CNC, and cheap service providers, you can’t get away with building circuits in a shoe box or an old Tupperware container. While most people now have access to additive manufacturing gear, traditional subtractive equipment is still a bit less common....
64
11
[ { "comment_id": "6744518", "author": "Cyna", "timestamp": "2024-03-25T23:24:38", "content": "3D printers _are_ CNC!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744539", "author": "TG", "timestamp": "2024-03-26T01:11:14", "content"...
1,760,371,965.685275
https://hackaday.com/2024/03/25/axxsolder-3-0-now-takes-usb-power-delivery/
AxxSolder 3.0 Now Takes USB Power Delivery
Lewin Day
[ "Tool Hacks" ]
[ "soldering iron" ]
https://hackaday.com/wp-…126693.jpg?w=800
If you’re big into the soldering iron scene, you’ve probably heard of the AxxSolder project. Now, it’s been updated with a whole host of nifty new features. It’s AxxSolder 3.0! If you’re not intimately familiar with AxxSolder, it’s an open-source iron design based around the popular JBC soldering iron tips. Relying on ...
12
5
[ { "comment_id": "6744514", "author": "PaulDriver", "timestamp": "2024-03-25T22:55:03", "content": "Seems umm expensive.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744527", "author": "Conor Stewart", "timestamp": "2024-03-26T00:20:08", ...
1,760,371,965.528265
https://hackaday.com/2024/03/26/cosmic-ray-detection-at-starbucks/
Cosmic Ray Detection At Starbucks?
Al Williams
[ "Science" ]
[ "cloud chamber", "cosmic ray" ]
https://hackaday.com/wp-…cosmic.png?w=800
Want to see cosmic rays? You might need a lot of expensive exotic gear. Nah. [The ActionLab] shows how a cup of coffee or cocoa can show you cosmic rays — or something — with just the right lighting angle. Little bubbles on the surface of the hot liquid tend to vanish in a way that looks as though something external an...
23
9
[ { "comment_id": "6744906", "author": "Kalle", "timestamp": "2024-03-27T07:12:09", "content": "Is there some add revenue involved for mentioning that particular chain of warm sugar-drinks ever so often here?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744...
1,760,371,965.747864
https://hackaday.com/2024/03/26/galvanize-your-grip-on-grep-with-this-great-grep-guide/
Galvanize Your Grip On Grep With This Great Grep Guide
Ryan Flowers
[ "News", "Software Development" ]
[ "grep", "linux", "regex", "regular expression", "tutorial", "unix" ]
https://hackaday.com/wp-…p-grip.jpg?w=514
These days, you can’t throw a USB stick without hitting something that’s running Linux. It might be a phone, an embedded device, or your TV. Either way, it’s running Linux, and somewhere along the line of the development of whatever your USB stick smacked into, somebody used the Global Regular Expression Print utility-...
12
9
[ { "comment_id": "6744879", "author": "Andrew", "timestamp": "2024-03-27T03:27:26", "content": "Some people, when confronted with a problem, think “I know, I’ll use regular expressions.” Now they have two problems.– Jamie Zawinski", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,371,965.267832
https://hackaday.com/2024/03/26/trick-your-1970-pickup-truck/
Trick Your (1970) Pickup Truck
Al Williams
[ "LED Hacks", "Transportation Hacks" ]
[ "ESP32", "led", "truck" ]
https://hackaday.com/wp-…3/gmc1.png?w=800
[Dave] wanted an old pickup, and he found a GMC Sierra Grande truck vintage 1970. While it had an unusual amount of options, there weren’t that many high-tech options over 50 years ago. The five-year-long restoration work was impressive, as you can see in the video below, but we were really interested in the electronic...
24
10
[ { "comment_id": "6744853", "author": "DainBramage", "timestamp": "2024-03-26T23:39:01", "content": "Sweet truck!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744868", "author": "TG", "timestamp": "2024-03-27T02:51:21", "content": "...
1,760,371,965.973104
https://hackaday.com/2024/03/26/2024-home-sweet-home-automation-sms-controlled-heating/
2024 Home Sweet Home Automation: SMS Controlled Heating
Dave Rowntree
[ "contests", "home hacks" ]
[ "2024 Home Sweet Home Automation", "ds1820", "gammu", "heating", "python", "Raspberry Pi B+", "sms", "stepper motor", "storage heater", "UMTS" ]
https://hackaday.com/wp-…atured.png?w=800
Hackaday.io user [mabe42] works during the week away from their home city and rents a small apartment locally to make this life practical. However, the heating system, a night-storage system, is not so practical. They needed a way to remotely control the unit so that the place was habitable after a long winter commute;...
23
11
[ { "comment_id": "6744810", "author": "James Baker", "timestamp": "2024-03-26T20:30:59", "content": "Great project, but I controlled my heating with an SMS mains switch I got off Aliexpress decades ago. (Just about to go defunct as we switch off 2G).Feels like this is all very overboard :D", "par...
1,760,371,966.35127
https://hackaday.com/2024/03/26/2024-hackaday-europe-workshops-announced-get-your-tickets/
2024 Hackaday Europe: Workshops Announced, Get Your Tickets
Elliot Williams
[ "cons", "Hackaday Columns" ]
[ "2024 hackaday europe" ]
https://hackaday.com/wp-…_3at2x.png?w=800
There are only a few weeks left until Hackaday Europe takes place in Berlin on April 13th and 14th. With only one full day of programming, we simply can’t run as many workshops as we do at Supercon, but what we do have should tickle your fancy. As if that weren’t enough, there will be at least a few other impromptu wor...
7
1
[ { "comment_id": "6744922", "author": "Bob the builder", "timestamp": "2024-03-27T09:47:05", "content": "Seems great, but a bit far, although I’m only one country over (Netherlands). It’s 240 euro’s driving, or a little over 300 flying. With hotel costs etc, it becomes a very expensive ordeal.", ...
1,760,371,966.221209
https://hackaday.com/2024/03/26/retrotechtacular-build-your-own-dune-buggy-1970s-style/
Retrotechtacular: Build Your Own Dune Buggy, 1970s Style
Jenny List
[ "Retrotechtacular", "Slider", "Transportation Hacks" ]
[ "custom car", "dune buggy", "vw beetle" ]
https://hackaday.com/wp-…atured.jpg?w=800
The custom car phenomenon is as old as the second-hand car, yet somehow the decades which stick in the mind as their heyday are the 1960s and 1970s. If you didn’t have a dune buggy or a van with outrageously flared arches and an eye-hurting paint job you were nothing in those days — or at least that’s what those of us ...
21
11
[ { "comment_id": "6744793", "author": "Garth", "timestamp": "2024-03-26T19:55:12", "content": "Made me flash back to Hey Hey We’re The Monkees who had a dune buggy and the cartoon Speed Buggy (in the 60s and early 70s). Miss those days….", "parent_id": null, "depth": 1, "replies": [ ...
1,760,371,966.286755
https://hackaday.com/2024/03/26/night-vision-the-old-way/
Night Vision The Old Way
Al Williams
[ "History", "Tool Hacks" ]
[ "night vision", "photocathode" ]
https://hackaday.com/wp-…/03/nv.png?w=800
Solid state electronics have provided lighter weight night vision units that work better than the old-fashioned gear that used photomultiplier tubes, but there was an even older technology as [Our Own Devices] shows us in a recent video. The Metascope Type B was a first-generation passive night vision viewer that relie...
7
4
[ { "comment_id": "6744749", "author": "spaceminions", "timestamp": "2024-03-26T17:04:15", "content": "“Solid state electronics have provided lighter weight night vision units that work better than the old-fashioned gear that used photomultiplier tubes”That’s news to me. The old night vision units tha...
1,760,371,966.08747
https://hackaday.com/2024/03/27/3d-printing-with-ersatz-moon-dust/
3D Printing With (Ersatz) Moon Dust
Al Williams
[ "3d Printer hacks" ]
[ "filament", "moon" ]
https://hackaday.com/wp-…3/moon.png?w=800
When the people of Earth set up bases on the moon, you can imagine that 3D printing will be a key enabling technology. Of course, you could ship plastic or other filament at great cost. But what if you could print with something you can already find on the moon? Like moon dust. NASA thinks it is possible and has been d...
29
12
[ { "comment_id": "6745079", "author": "Martin", "timestamp": "2024-03-27T20:22:48", "content": "This article sounds like an advertisement. No real life experience with the material just a link to the shop and a YouTube video from the manufacturer.", "parent_id": null, "depth": 1, "replies...
1,760,371,966.161086
https://hackaday.com/2024/03/27/2024-home-sweet-home-automation-hexpod-climate-tracker-and-digital-nose/
2024 Home Sweet Home Automation: [HEX]POD – Climate Tracker And Digital Nose
Dave Rowntree
[ "contests", "hardware" ]
[ "2024 Home Sweet Home Automation", "3d printed", "BME688", "ESP32", "hexagon", "SCD41", "sensor fusion", "SGP41", "tensor flow" ]
https://hackaday.com/wp-…atured.png?w=800
[eBender] was travelling India with friends, when one got sick. Unable to find a thermometer anywhere during COVID, they finally ended up in a hospital. After being evacuated back home, [eBender] hatched an idea to create a portable gadget featuring a few travel essentials: the ability to measure body temperature and h...
10
5
[ { "comment_id": "6745097", "author": "BrightBlueJim", "timestamp": "2024-03-27T21:59:30", "content": "The words “OLED” and “always-on” really don’t belong in the same sentence, unless the word “never” is also present. OLEDs, like their electroluminescent ancestors, have a limited lifetime, and it’s...
1,760,371,966.562177
https://hackaday.com/2024/03/27/the-roller-ship-was-not-an-effective-way-to-cross-the-high-seas/
The Roller Ship Was Not An Effective Way To Cross The High Seas
Lewin Day
[ "Hackaday Columns", "Misc Hacks", "Slider" ]
[ "boat", "drag", "hydrodynamics", "roller ship", "ship" ]
https://hackaday.com/wp-…_Poyet.png?w=784
Boats come in all shapes and sizes. We have container ships, oil tankers, old-timey wooden sailing ships, catamarans, trimarans, and all sorts besides. Most are designed with features that give them a certain advantage or utility that justifies their construction for a given application. The roller ship, on the other h...
25
15
[ { "comment_id": "6745028", "author": "Ostracus", "timestamp": "2024-03-27T18:06:44", "content": "I seem to remember seeing something like it in Future Life magazine.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6745034", "author": "zx80", "timestamp"...
1,760,371,966.457656
https://hackaday.com/2024/03/27/sort-of-electromagnet-attracts-copper-aluminum/
Sort Of Electromagnet Attracts Copper, Aluminum
Al Williams
[ "Science" ]
[ "electromagnet", "magnet", "shaded pole" ]
https://hackaday.com/wp-…3/pole.png?w=800
It is a common grade school experiment to wind some wire around a screw, power it up, and watch it pick up paper clips or other ferrous materials. It is also grade school science to show that neither an electromagnet nor a permanent magnet will pick up nonferrous items like copper or aluminum. While technically not an ...
10
4
[ { "comment_id": "6745082", "author": "Am", "timestamp": "2024-03-27T20:27:43", "content": "I wonder if the same principle scaled up can be used to collect fine gold from a river", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6745220", "author": "soli...
1,760,371,966.510044
https://hackaday.com/2024/03/27/japans-first-commercial-rocket-debuts-with-a-bang/
Japan’s First Commercial Rocket Debuts With A Bang
Tom Nardi
[ "Current Events", "Featured", "Slider", "Space" ]
[ "commercial space", "japan", "JAXA", "solid fuel rocket" ]
https://hackaday.com/wp-…s_feat.jpg?w=800
Though it suffered through decades of naysayers, these days you’d be hard pressed to find anyone who would still argue that the commercialization of space has been anything but a resounding success for the United States. SpaceX has completely disrupted what was a stagnant industry — of the 108 US rocket launches in 202...
11
7
[ { "comment_id": "6744978", "author": "Colin", "timestamp": "2024-03-27T14:33:49", "content": "Vid of the launch and explosionhttps://www.youtube.com/watch?v=AErsimi1X2c", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6745117", "author": "craig", ...
1,760,371,966.75528
https://hackaday.com/2024/03/27/3d-printing-real-wood-with-just-cellulose-and-lignin/
3D Printing Real Wood With Just Cellulose And Lignin
Maya Posch
[ "3d Printer hacks", "Tech Hacks" ]
[ "3d printed wood", "bioprinting", "cellulose" ]
https://hackaday.com/wp-…d_wood.jpg?w=800
Although the components of wood – cellulose and lignin – are exceedingly cheap and plentiful, combining these into a wood-like structure is not straightforward, despite many attempts to make these components somehow self-assemble. A recent attempt by [MD Shajedul Hoque Thakur] and colleagues as published in Science Adv...
24
3
[ { "comment_id": "6744940", "author": "Neverm|nd", "timestamp": "2024-03-27T11:40:32", "content": "… I am not sure I understand… Trees, do it all on their own (and much more efficently). Why on Earth would you want to *print* wood ?", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,371,966.638029
https://hackaday.com/2024/03/27/automatic-position-reporting-over-hf-radio/
Automatic Position Reporting Over HF Radio
Bryan Cockfield
[ "Radio Hacks" ]
[ "APRS", "gps", "HF", "high frequency", "JS8Call", "position", "radio", "raspberry pi", "road trip", "text" ]
https://hackaday.com/wp-…s-main.png?w=800
While most of us carry cell phones that have GPS and other location services, they require a significant amount of infrastructure to be useful. Drive from Washington to Alaska like [Lonney] did a while back, where that infrastructure is essentially nonexistent, and you’ll need to come up with some other solutions to le...
13
10
[ { "comment_id": "6744960", "author": "Major Armstrong", "timestamp": "2024-03-27T13:07:04", "content": "We used ARPS to keep track of friends as they traveled in a snowstorm. Very useful .Bryan: Great Article, do one on Reverse Beacon. Net. Another excellent web-based app.", "parent_id": null, ...
1,760,371,966.699077
https://hackaday.com/2024/03/25/the-cryotron-remembered/
The Cryotron Remembered
Al Williams
[ "Retrocomputing" ]
[ "cryotron", "retrocomputing" ]
https://hackaday.com/wp-…3/cryo.png?w=800
[Sean Haas] is a “dangerous freelance historian,” and his recent talk at the Vintage Computer Festival in Southern California covers the cryotron — a strange detour on the road to computers circa 1956. The NSA wanted a computer to break codes, but in 1956, there wasn’t much to pick from, especially since they wanted a ...
16
5
[ { "comment_id": "6744467", "author": "Clovis Fritzen", "timestamp": "2024-03-25T18:37:43", "content": "I wonder what would happen if we revisited all these old-and-now-defuncted technologies, e.g betamax, DAT, cryotrons, etc etc. What our generation (and the ones to come) could still learn from it."...
1,760,371,966.859176
https://hackaday.com/2024/03/25/keebin-with-kristina-the-one-with-the-pickle-pi/
Keebin’ With Kristina: The One With The Pickle Pi
Kristina Panos
[ "Hackaday Columns", "Peripherals Hacks", "Slider" ]
[ "chording", "chording keyboard", "Gherkin", "Hokusai", "Pi Zero 2", "Raspberry Pi Pico", "tablet", "the Great Wave" ]
https://hackaday.com/wp-…Keebin.jpg?w=800
Image by [jefmer] via Hackaday.IO The unstoppable [jefmer] wrote in to alert me to Pickle Pi , their latest Keebin’-friendly creation. Why “Pickle Pi”? Well, the Pi part should be obvious, but the rest comes from the Gherkin 30% ortholinear keyboard [jefmer] built with Gateron Yellows and, unfortunately, second-choice ...
1
1
[ { "comment_id": "6744785", "author": "CityZen", "timestamp": "2024-03-26T19:33:49", "content": "Great Wave keyboard needs a Great Wave wrist rest.", "parent_id": null, "depth": 1, "replies": [] } ]
1,760,371,966.805096
https://hackaday.com/2024/03/25/dodge-the-weird-tripod-robot/
Dodge, The Weird Tripod Robot
Lewin Day
[ "Robots Hacks" ]
[ "camera", "ESP32", "ESP32-CAM", "robot", "tripod" ]
https://hackaday.com/wp-…856978.png?w=800
[hannu_hell] created Dodge as a “novel design of tripod.” It’s a small robotic device quite unlike anything else we’ve seen of late. It’s intended to be a self-mobile camera platform that can move itself around to capture footage as needed. Dodge is essentially a two-legged robot with a large flat “foot” in the center....
13
7
[ { "comment_id": "6744437", "author": "Evaprototype", "timestamp": "2024-03-25T15:55:50", "content": "There was a robot toy that moved in a similar fashion but the legs used linkages. It was some kind of toy battlebot. But this one has a little more personality and a fun execution.", "parent_id":...
1,760,371,967.086751
https://hackaday.com/2024/03/25/user-beware-the-fine-line-between-content-and-code/
User Beware: The Fine Line Between Content And Code
Tom Nardi
[ "Current Events", "Featured", "Security Hacks", "Slider", "Software Hacks" ]
[ "kde", "software repositories", "theme" ]
https://hackaday.com/wp-…e_feat.png?w=800
Everyone loves themes. Doesn’t matter if it’s a text editor or a smart display in the kitchen, we want to be able to easily customize its look and feel to our liking. When setting up a new device or piece of software, playing around with the available themes may be one of the first things you do without giving it much ...
29
9
[ { "comment_id": "6744398", "author": "Clovis Fritzen", "timestamp": "2024-03-25T14:09:00", "content": "I mean, by definition a theme should not be allowed to mess with files in your systems, right? that’s a flaw right there.", "parent_id": null, "depth": 1, "replies": [ { "...
1,760,371,967.035269
https://hackaday.com/2024/03/25/a-65-in-1-the-2024-way/
A 65-in-1 The 2024 Way
Dan Maloney
[ "Misc Hacks", "Retrocomputing" ]
[ "breadboard", "education", "germanium", "radio shack", "science fair", "stem" ]
https://hackaday.com/wp-…_in_24.jpg?w=800
If necessity is the mother of invention, nostalgia must be its stepmother, or its aunt at the very least. The desire to recreate long-obsolete devices simply because they existed while we were growing up is a curious trait, but one that’s powerful enough to drive entire categories of hardware hacking — looking at you, ...
63
32
[ { "comment_id": "6744351", "author": "tony", "timestamp": "2024-03-25T11:05:33", "content": "I had one from RS. However it also had either a 555 chip or a 741. Can’t remember. I loved making the LED blink circuit.", "parent_id": null, "depth": 1, "replies": [ { "comment_id"...
1,760,371,967.193061
https://hackaday.com/2024/03/25/retro-hackintosh-made-from-retro-parts/
Retro Hackintosh Made From Retro Parts
Bryan Cockfield
[ "Retrocomputing" ]
[ "3d printed", "apple", "case", "emulator", "floppy disk", "mac", "mac Classic", "macintosh", "mini vmac", "retro", "retrocomputing" ]
https://hackaday.com/wp-…c-main.jpg?w=800
Apple as a company, has staked most of its future around being a “walled garden” where it controls everything from the hardware up through the user experience. In some ways this is good for users; the hardware is generally high quality and vetted by the company creating the software, making for a very uniform experienc...
20
9
[ { "comment_id": "6744325", "author": "Joshua", "timestamp": "2024-03-25T08:28:50", "content": "That’s really cute, I like how the chassis was being preserved and how the original input devices can be used. :)On the other hand, it’s an emulator box, still.How about re-plicating the original hardware ...
1,760,371,967.330446
https://hackaday.com/2024/03/24/retrotechtacular-right-to-repair-1987/
Retrotechtacular: Right To Repair 1987
Al Williams
[ "Retrocomputing", "Retrotechtacular" ]
[ "Osborne 1" ]
https://hackaday.com/wp-…3/witt.png?w=800
In 1987, your portable Osborne computer had a problem. Who you gonna call? Well, maybe the company that made “ The Osborne Survival Kit ,” a video from Witt Services acquired by the Computer History Museum. The narrator, [Mark Witt], tells us that they’ve been fixing these computers for more than three years, and they ...
26
6
[ { "comment_id": "6744317", "author": "Joshua", "timestamp": "2024-03-25T07:22:08", "content": "Hm. To me it’s the most normal thing in the world. I guess I’m getting old.The boy does fine in the video, as well, I think, judging by my own memories.Way back in the 80s/90s, many of us kids did tinker w...
1,760,371,967.263085
https://hackaday.com/2024/03/24/building-a-tiny-organic-swimming-pool-with-natural-filtering/
Building A Tiny Organic Swimming Pool With Natural Filtering
Lewin Day
[ "home hacks" ]
[ "greenhouse", "pool", "water" ]
https://hackaday.com/wp-…enshot.png?w=800
When we think of swimming pools, we typically think of large fiberglass, plastic, or concrete constructions full of pristine, clear water. They’re usually maintained in this state with the regular addition of chlorine or other chemical. These kill biological stuff and help filter out dirt and other detritus. However,  ...
19
9
[ { "comment_id": "6744287", "author": "Eric", "timestamp": "2024-03-25T03:03:23", "content": "Seems like a lot of work to avoid needing to treat them with chemical regularly. OTOH less problem for your skin if people are sensitive to chemical.", "parent_id": null, "depth": 1, "replies": ...
1,760,371,967.393597
https://hackaday.com/2024/03/24/hackaday-links-march-24-2024/
Hackaday Links: March 24, 2024
Dan Maloney
[ "Hackaday Columns", "Hackaday links", "Slider" ]
[ "Arcturus", "astronomy", "captcha", "CME", "coronal mass ejection", "eclipse", "hackaday links", "human", "noaa", "NoVA", "oopsie", "polymer", "prominence", "resin", "satellite", "shellac", "sunspot", "totality" ]
https://hackaday.com/wp-…banner.jpg?w=800
Way to rub it in, guys. As it turns out, due to family and work obligations we won’t be able to see the next Great American Eclipse , at least not from anywhere near the path of totality, when it sweeps from Mexico into Canada on April 8. And that’s too bad, because compared to the eclipse back in 2017 , “Eclipse 2: So...
6
3
[ { "comment_id": "6744270", "author": "Ostracus", "timestamp": "2024-03-24T23:19:12", "content": "Lockheed Martin’s turn to pull a Boeing Bolt event.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744361", "author": "make piece not war", "tim...
1,760,371,967.438302
https://hackaday.com/2024/03/24/a-dial-phone-sips-asterisk/
A Dial Phone SIPs Asterisk
Jenny List
[ "Phone Hacks" ]
[ "asterisk", "dial phone", "pbx", "SIP", "slic" ]
https://hackaday.com/wp-…atured.jpg?w=800
An endless source of amusement for those of advancing years can come from handing a rotary phone to a teenager and asking them to dial a number with it. It’s rare for them to be stumped by a piece of technology, after all. [Mnutt]’s 4-year-old son had no such problems when he saw rotary phones at an art exhibition, so ...
11
5
[ { "comment_id": "6744257", "author": "Antron Argaiv", "timestamp": "2024-03-24T21:45:28", "content": "All Grandstream ATA boxen support pulse dialling, but you may have to enable the support on their HTTP control interface", "parent_id": null, "depth": 1, "replies": [ { "co...
1,760,371,967.493324
https://hackaday.com/2024/03/24/an-asic-for-a-secret-file/
An ASIC For A Secret File
Jenny List
[ "Parts" ]
[ "ASIC", "bitluni", "tinytapeout" ]
https://hackaday.com/wp-…atured.jpg?w=800
Some time over a decade ago, the arrival of inexpensive PCB fabrication revolutionised the creation of custom electronics on a budget. It’s now normal for even the smallest projects we feature here to have a professional PCB, which for those of us who started by etching their own with ferric chloride is nothing short o...
6
4
[ { "comment_id": "6744237", "author": "elwing", "timestamp": "2024-03-24T19:23:38", "content": "fail if not a rickroll…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744310", "author": "elwing", "timestamp": "2024-03-25T05:52:12", "c...
1,760,371,967.536779
https://hackaday.com/2024/03/24/concrete-clears-its-own-snow/
Concrete Clears Its Own Snow
Bryan Cockfield
[ "Transportation Hacks" ]
[ "concrete", "drexel", "heat", "ice", "infrastructure", "melt", "parrafin", "phase change", "plow", "road", "salt", "sidewalk", "snow" ]
https://hackaday.com/wp-…e-main.jpg?w=800
Humans are not creatures well suited to cold environments. Without a large amount of effort to provide clothing, homes, and food to areas with substantial winters, very few of us would survive. The same is true of a lot of our infrastructure since things like ice, frost heave, and large temperature swings can all negat...
26
10
[ { "comment_id": "6744227", "author": "cplamb", "timestamp": "2024-03-24T17:54:35", "content": "Most roadways around here use asphalt mix instead of concrete because concrete doesn’t stand up well to winter conditions.", "parent_id": null, "depth": 1, "replies": [ { "comment...
1,760,371,967.605869
https://hackaday.com/2024/03/24/fail-of-the-week-a-potentially-lethal-tattoo-removal-laser-power-supply/
Fail Of The Week: A Potentially Lethal Tattoo Removal Laser Power Supply
Dan Maloney
[ "Fail of the Week" ]
[ "corrosion", "ebay", "fail of the week", "laser", "power supply", "smps", "tattoo" ]
https://hackaday.com/wp-…_laser.png?w=800
Caveat emptor is good advice in general, but in the wilds of eBay, being careful with what you buy could be life-saving. To wit, we present [Les Wright]’s teardown and very ginger power-up of an eBay tattoo-removal laser power supply . Given that [Les] spent all of around $100 on this widowmaker, we’re pretty sure he k...
8
6
[ { "comment_id": "6744217", "author": "Matt Cramer", "timestamp": "2024-03-24T16:23:56", "content": "I wonder where you should connect the ground wire, as this power supply has no obvious place for it. Perhaps it should go into the water tank, so when the water leaks it can serve as a grounded chassi...
1,760,371,967.709906
https://hackaday.com/2024/03/24/obfuscated-c-8080-emulator-ported/
Obfuscated C 8080 Emulator Ported
Al Williams
[ "Retrocomputing", "Software Development" ]
[ "8080", "CP/M", "IOCCC" ]
https://hackaday.com/wp-…/ioccc.png?w=800
[Oscar] is no stranger to writing hard-to-read C code. While most of us do that by accident, there are those who strive to write the most unreadable code and enter it in the IOCCC — the International Obfuscated C Code Contest. One of his winning entries was a single C function that emulates an 8080 . With a few support...
7
5
[ { "comment_id": "6744212", "author": "BT", "timestamp": "2024-03-24T15:21:08", "content": "Ha ha very clever and I love the use of { and } to make that big “8080”", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6744228", "author": "I Alone Possess the Truth...
1,760,371,967.75508
https://hackaday.com/2024/03/24/its-never-been-easier-to-build-a-wifi-controlled-rc-car/
It’s Never Been Easier To Build A WiFi-Controlled RC Car
Lewin Day
[ "3d Printer hacks" ]
[ "ESP8266", "radio control", "wifi" ]
https://hackaday.com/wp-…36358.webp?w=800
Today, wireless-enabled microcontrollers are everywhere and can be had for just a few bucks. You can use them to build all kinds of connected projects more cheaply than ever before. [ROBO HUB] demonstrates this well with an incredibly simple WiFi-controlled RC car build. The build is based around an NodeMCU ESP8266 mic...
14
8
[ { "comment_id": "6744169", "author": "Ewald", "timestamp": "2024-03-24T08:42:13", "content": "URL:https://www.instructables.com/Make-3d-Printed-Smartphone-Controlled-Wi-Fi-Car/The glueing makes me cringe; for me the brackets should be bolted to you know they are mounted square on the platform.", ...
1,760,371,967.855115
https://hackaday.com/2024/03/23/interactive-cake-takes-your-picture/
Interactive Cake Takes Your Picture
Lewin Day
[ "Raspberry Pi" ]
[ "cake", "camera" ]
https://hackaday.com/wp-…383322.jpg?w=800
[Abigail] is a confectionery roboticist, and [Hazal] is a developer advocate at a robotics company. The two met recently and decided to collaborate on a smart cake, with amusing results. The resulting cake not only looks like a camera it also has a camera inside. When the camera detects people in its field of view, a N...
3
3
[ { "comment_id": "6744157", "author": "david", "timestamp": "2024-03-24T05:09:08", "content": "In Soviet Russia, cake photographs YOU!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6744195", "author": "0xdeadbeef", "timestamp": "2024-03-24T12:48:52", ...
1,760,371,967.802527
https://hackaday.com/2024/03/23/clever-e-ink-driver-does-32-levels-of-grey-avoids-update-flicker-and-more/
Clever E-Ink Driver Does 32 Levels Of Grey, Avoids Update Flicker, And More
Donald Papp
[ "Microcontrollers" ]
[ "anti-flicker", "displays", "dithering", "e-ink", "e-paper", "greyscale" ]
https://hackaday.com/wp-…atured.jpg?w=800
There’s a lot to like about E-Ink displays, and you might be about to like them even more with [antirez]’s MicroPython driver for the Badger 2040 (or any display based on the UC8151 / IL0373) because it brings all kinds of useful features to your next project. E-Ink displays are great. They are high contrast, daylight-...
13
6
[ { "comment_id": "6744177", "author": "Tom", "timestamp": "2024-03-24T09:20:05", "content": "It’s always great to see that someone comes along with new thoughts to solve old problems.I wish there would be a less flicker refresh solution for the Inkplate2. It was supposed to be used as a name badge fo...
1,760,371,968.024842
https://hackaday.com/2024/03/23/building-a-tribute-version-of-mattels-vertibird-toy/
Building A Tribute Version Of Mattel’s VertiBird Toy
Lewin Day
[ "3d Printer hacks" ]
[ "mattel", "VertiBird" ]
https://hackaday.com/wp-…enshot.png?w=800
Mattel had a ton of hit toys in the 20th century. In the early 1970s, the VertiBird was one of them, letting kids pretend to fly a helicopter in circles on their loungeroom floor. An original VertiBird can be hard to come by these days, but what if you could make your own? Well, [Gord Payne] did just that! The design o...
9
6
[ { "comment_id": "6744125", "author": "DerAxeman", "timestamp": "2024-03-23T23:55:49", "content": "One of my favorite toys as a kid. Right up until someone stepped on it.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744152", "author": "Observer", ...
1,760,371,967.974028
https://hackaday.com/2024/03/23/tiny-signal-generator-revealed/
Tiny Signal Generator Revealed
Al Williams
[ "Teardown" ]
[ "arbitrary waveform generator", "test equipment", "uni-t" ]
https://hackaday.com/wp-…03/arb.png?w=800
There was a time when test equipment was big and heavy. Those days are gone, and [Kiss Analog] shows us the inside of a Uni-T UTG962E arbitrary waveform generator . The device is truly tiny. You might think this is due to the dense packing of the circuit board. However, one board is packed but the other board seems to ...
5
4
[ { "comment_id": "6744090", "author": "eb4fbz", "timestamp": "2024-03-23T20:41:47", "content": "MCU is GD32F207ZGT6", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6744107", "author": "paulvdh", "timestamp": "2024-03-23T22:22:19", "content": "I’ve go...
1,760,371,968.062763
https://hackaday.com/2024/03/23/new-pens-for-old-plotters/
New Pens For Old Plotters
Jenny List
[ "Peripherals Hacks", "Retrocomputing" ]
[ "alps", "atari", "pen", "plotter", "plotter pen" ]
https://hackaday.com/wp-…atured.jpg?w=800
Finding consumables is an ever-present problem facing anyone working with old computer hardware. Many of these devices ceased manufacture decades ago and what old stock remains is invariably degraded by time. [Retrohax] has encountered it with the pens for an Atari plotter, a machine that uses an ALPS mechanism that ap...
17
9
[ { "comment_id": "6744050", "author": "Erik Johnson", "timestamp": "2024-03-23T17:09:26", "content": "I’ve had success re-inking them with coloured sharpies+IPAhttps://i.imgur.com/3nTCHxu.jpeg", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744156", "...
1,760,371,968.262859
https://hackaday.com/2024/03/23/its-about-time/
It’s About Time
Elliot Williams
[ "Hackaday Columns", "Rants", "Software Hacks" ]
[ "newsletter", "programming", "time zone" ]
https://hackaday.com/wp-…k-main.jpg?w=800
I’m pretty good with time zones. After all, I live in Germany, Hackaday’s server is in Los Angeles, and our writers are scattered all over the globe. I’m always translating one time into another, and practice makes (nearly) perfect. But still, it got me. I was in the states visiting my parents, when Daylight Saving Tim...
52
18
[ { "comment_id": "6744007", "author": "John", "timestamp": "2024-03-23T14:16:38", "content": "To get epoch (timestamp) in Linux from the command line or in a bash scriptdate +%s", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744008", "author": "John"...
1,760,371,968.361182
https://hackaday.com/2024/03/23/a-low-cost-rom-programmer-with-an-ai-twist/
A Low-Cost ROM Programmer With An AI Twist
Dan Maloney
[ "Artificial Intelligence", "Retrocomputing" ]
[ "6502", "65uino", "eeprom", "programmer", "rom", "T480", "W27C512" ]
https://hackaday.com/wp-…rammer.png?w=800
There are 0x10 ways to look at ROM programmers: they’re either relatively low-cost tools that let you quickly get about the business of programming vintage ROMs and get back to your retrocomputing activities, or they’re egregiously overpriced on a per-use basis. [Anders Nielsen] seems to land in the latter camp, firmly...
11
5
[ { "comment_id": "6743986", "author": "Crawford Griffith", "timestamp": "2024-03-23T11:13:24", "content": "Sixteen ways to look at programmers? (0x10 hex = 16 decimal). Maybe 0b10 ?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6743991", "author": "...
1,760,371,968.204738
https://hackaday.com/2024/03/23/the-electromagnetic-field-2024-badge-is-a-little-different/
The Electromagnetic Field 2024 Badge Is A Little Different
Jenny List
[ "cons" ]
[ "badge", "badgelife", "EMF camp" ]
https://hackaday.com/wp-…atured.jpg?w=800
It’s a problem that faces every designer of an event badge: how to make something that won’t simply become a piece of e-waste once the last attendee has gone home. Various events have had badges with extra sensors, ones designed to be dev boards, and ones that try to do useful software tasks, but this year’s Electromag...
4
3
[ { "comment_id": "6743977", "author": "Christoph", "timestamp": "2024-03-23T10:03:08", "content": "The badge specifications mention : “ESP32-S3 microcontroller with 2MB of PSRAM and 8MB of flash”.So it’s not an ESP32-C3. It makes quite a difference in performance.", "parent_id": null, "depth...
1,760,371,968.409138
https://hackaday.com/2024/03/22/wico-boss-joystick-modded-to-use-cherry-mx-keyboard-switches/
Wico Boss Joystick Modded To Use Cherry MX Keyboard Switches
Lewin Day
[ "Games", "Peripherals Hacks" ]
[ "Cherry Blue", "Joystick", "wico" ]
https://hackaday.com/wp-…x900-1.jpg?w=800
The Wico Boss joystick was one of the better designs of the 1980s. Yours truly had one, and put it through many brutal hours of Amiga-based gameplay. [Drygol] was recently asked if he could alter some of these sticks to be even clickier than stock, and jumped at the change to do some modding. [Drygol]’s idea was to swa...
5
2
[ { "comment_id": "6743987", "author": "Chris Hansen", "timestamp": "2024-03-23T11:20:54", "content": "How is that better than WSAD or using arrow keys?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744094", "author": "kaaaaaaaaaaaaaaaang", "...
1,760,371,968.452023
https://hackaday.com/2024/03/22/generative-ai-now-encroaching-on-music/
Generative AI Now Encroaching On Music
Bryan Cockfield
[ "Artificial Intelligence", "Musical Hacks" ]
[ "artificial intelligence", "ChatGPT", "generative AI", "large language model", "lyrics", "music", "suno", "vocals" ]
https://hackaday.com/wp-…o-main.jpg?w=800
While it might not seem like it to a novice, music turns out to be a highly mathematical endeavor with precise ratios between chords and notes as well as overall structure of rhythm and timing. This is especially true of popular music which has even more recognizable repeating patterns and trends, making it unfortunate...
62
16
[ { "comment_id": "6743925", "author": "TG", "timestamp": "2024-03-23T02:19:36", "content": "It will always (or for a very long time) be the auditory equivalent of AI art, all square in aspect ratio and full of the absolute average qualities and glossy finish of Artstation or Pixiv, because AI is at h...
1,760,371,968.6031
https://hackaday.com/2024/03/22/roll-your-own-dro-with-an-added-twist/
Roll Your Own DRO With An Added Twist
Dave Rowntree
[ "Tool Hacks" ]
[ "dro", "kivy", "machine tools", "python", "raspberry pi", "rs485", "stepper motor", "stm32" ]
https://hackaday.com/wp-…atured.png?w=800
When using a manual machine tool such as a lathe or milling machine, there can be a lot of pressure to read the position and feed the axes at the correct rate. That’s why modern machines typically have some form of digital read-out (DRO). [Stefano Bertelli] has created a simple Raspberry Pi based DRO with an additional...
4
3
[ { "comment_id": "6743975", "author": "Drew B", "timestamp": "2024-03-23T09:46:45", "content": "Wow! This is an impressive project. Thank you for sharing.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6744262", "author": "paulvdh", "timestamp": "2024-0...
1,760,371,968.504866
https://hackaday.com/2024/03/22/youtuber-builds-onewheel-with-tracks-instead-and-its-not-great/
YouTuber Builds Onewheel With Tracks Instead And It’s Not Great
Lewin Day
[ "3d Printer hacks" ]
[ "balance", "balancing board", "onewheel", "tracks", "wheel" ]
https://hackaday.com/wp-…297208.png?w=800
The one-wheel is a triumph of modern sensor and control technology. That made it possible to sense the acceleration and position of a platform with a single wheel, and to control that single wheel to keep the platform stable and level, even in motion. [RCLifeOn] has now taken that same concept and made it more hilariou...
15
5
[ { "comment_id": "6743871", "author": "Dude", "timestamp": "2024-03-22T20:43:42", "content": "Change the throttle pot into a logarithmic one instead of a linear, and all bets are it becomes perfectly easy to ride.", "parent_id": null, "depth": 1, "replies": [ { "comment_id":...
1,760,371,968.656489
https://hackaday.com/2024/03/22/build-yourself-a-vacuum-tube-vu-meter/
Build Yourself A Vacuum Tube VU Meter
Lewin Day
[ "classic hacks", "Musical Hacks" ]
[ "audio", "VU meter" ]
https://hackaday.com/wp-…enshot.png?w=800
Volume unit (VU) meters are cool — it’s an undeniable fact. For some reason, humans just dig lights that flash along with sounds. You can build a VU meter using LEDs, or bulbs if you’re trapped in 1972. Or, you could use special vacuum tubes. [mircemk] did just that in their latest VU meter project . The 6E2 vacuum tub...
5
3
[ { "comment_id": "6743850", "author": "Per Jensen", "timestamp": "2024-03-22T19:00:51", "content": "The blue “project box” is actually hand built for each of these projects. It’s PVC foamboard glued together IIRC :)", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id":...
1,760,371,968.695434
https://hackaday.com/2024/03/21/chording-keyboard-leaves-your-mouse-hand-free/
Chording Keyboard Leaves Your Mouse Hand Free
Kristina Panos
[ "Raspberry Pi" ]
[ "chording", "chording keyboard", "Raspberry Pi Pico" ]
https://hackaday.com/wp-…rd-800.jpg?w=800
[akmnos22] was getting tired of moving one hand to the mouse and back to the keyboard. Rather than integrating mouse controls into a keyboard, they decided to really lean in and create a chording keyboard — one that creates characters with combinations of key presses, like playing chords on a piano. This project was in...
12
8
[ { "comment_id": "6743596", "author": "TG", "timestamp": "2024-03-21T23:20:18", "content": "I wonder how much it could be improved by adding a key that you could palm with the base of your pinky, like the way a lot of people use the control key to keep from having to stray too far from the home row."...
1,760,371,970.83162
https://hackaday.com/2024/03/21/vastly-improved-servo-control-now-without-motor-surgery/
Vastly Improved Servo Control, Now Without Motor Surgery
Donald Papp
[ "how-to", "Robots Hacks" ]
[ "actuator", "cascade control", "pid control", "robotics", "servo" ]
https://hackaday.com/wp-…enshot.png?w=800
Hobby servos are great, but they’re in many ways not ideal for robotic applications. The good news is that [Adam] brings the latest version of his ServoProject , providing off-the-shelf servos with industrial-type motion control to allow for much, much tighter motion tracking than one would otherwise be limited to. Mod...
13
8
[ { "comment_id": "6743532", "author": "Craig", "timestamp": "2024-03-21T20:25:13", "content": "WOW – I haven’t seen a project as good as this one in a while. This one is going places!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6743661", "author": "Edam...
1,760,371,970.415981
https://hackaday.com/2024/03/21/a-binary-version-of-the-engima-machine/
A Binary Version Of The Enigma Machine
Lewin Day
[ "3d Printer hacks" ]
[ "cryptography", "enigma", "enigma machine" ]
https://hackaday.com/wp-…89615.webp?w=800
The Enigma machine is the most well-known encryption tool used by German forces in World War II, mostly because it was so famously cracked by the Allies to great effect. Like many hackers, [christofer.jh] was intrigued by the design of the Enigma, and felt compelled to build a binary version of his own design. The orig...
11
4
[ { "comment_id": "6743611", "author": "Vestas", "timestamp": "2024-03-21T23:55:41", "content": "Saving everyone the hassle, the model files are only available if you sign up for a “Bambu” account on the hosted website.", "parent_id": null, "depth": 1, "replies": [ { "comment...
1,760,371,970.515859
https://hackaday.com/2024/03/21/why-x86-needs-to-die/
Why X86 Needs To Die
Julian Scheffers
[ "Featured", "Interest", "Rants", "Slider" ]
[ "arm", "CPU architecture", "RISC-V", "x86" ]
https://hackaday.com/wp-…atured.jpg?w=800
As I’m sure many of you know, x86 architecture has been around for quite some time. It has its roots in Intel’s early 8086 processor, the first in the family. Indeed, even the original 8086 inherits a small amount of architectural structure from Intel’s 8-bit predecessors, dating all the way back to the 8008. But the 8...
209
50
[ { "comment_id": "6743438", "author": "Adrian", "timestamp": "2024-03-21T17:21:32", "content": "What’s the point? How does x86’s continued existence and evolution prevent you from using your favorite architecture?", "parent_id": null, "depth": 1, "replies": [ { "comment_id":...
1,760,371,971.07016
https://hackaday.com/2024/03/21/magnetic-power-cable-makes-mobility-scooter-much-better/
Magnetic Power Cable Makes Mobility Scooter Much Better
Kristina Panos
[ "Parts", "Transportation Hacks" ]
[ "assistive technology", "mobility", "mobility scooter", "xlr" ]
https://hackaday.com/wp-…er-800.png?w=600
Sometimes, you have to wonder what major manufacturers of assistive tech are thinking when they design their products. [Niklas Frost]’s father has MS and uses an electric mobility scooter to get around. It’s a good solution to a terrible problem, except it stops short of the most important part — the charging scheme. B...
10
4
[ { "comment_id": "6743413", "author": "Michael Kohne", "timestamp": "2024-03-21T15:50:27", "content": "The scooter manufacturer was thinking they didn’t want to significantly increase their testing and regulatory burden. For a manufacturer to design a new electrical connector is quite expensive.They ...
1,760,371,970.651721
https://hackaday.com/2024/03/21/the-long-strange-trip-to-us-color-tv/
The Long Strange Trip To US Color TV
Al Williams
[ "Hackaday Columns", "History" ]
[ "CBS", "Color TV", "ntsc", "RCA", "tv" ]
https://hackaday.com/wp-…/rca-s.png?w=800
We are always fascinated when someone can take something and extend it in a clever way without changing the original thing. In the computer world, that’s old hat. New computers improve, but can usually run old software. In the real world, the addition of stereo to phonograph records and color to photography come to min...
48
21
[ { "comment_id": "6743396", "author": "Paul F", "timestamp": "2024-03-21T14:39:10", "content": "If you are near Columbus, Ohio you need to check out the Early Television Museum in Hilliard.https://www.earlytelevision.org/It’s worth the visit if you have any interest in the history of TV.", "paren...
1,760,371,970.609592
https://hackaday.com/2024/03/21/your-voice-assistant-doesnt-have-to-be-cloudy/
Your Voice Assistant Doesn’t Have To Be Cloudy
Lewin Day
[ "home hacks" ]
[ "home-assistant", "smart home", "voice assistant" ]
https://hackaday.com/wp-…shot-1.png?w=800
Voice assistants are neat — they let us interface with computers without having to bother with touching them at all. Still, many decry the perceived privacy intrusion these devices present, as they’re always trucking data off to corporate servers for all kinds of opaque reasons. Building your own standalone assistant i...
24
8
[ { "comment_id": "6743356", "author": "Zoe Nagy", "timestamp": "2024-03-21T11:26:10", "content": "But 6sec latency seems a lot.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6743386", "author": "Mark S", "timestamp": "2024-03-21T13:48:31", ...
1,760,371,970.301326
https://hackaday.com/2024/03/22/hackaday-podcast-episode-263-better-dcma-ai-spreadsheet-play-and-home-assistants-your-way/
Hackaday Podcast Episode 263: Better DMCA, AI Spreadsheet Play, And Home Assistants Your Way
Al Williams
[ "Hackaday Columns", "Podcasts" ]
[ "Hackaday Podcast" ]
https://hackaday.com/wp-…ophone.jpg?w=800
No need to wonder what stories Hackaday Editors Elliot Williams and Al Williams were reading this week. They’ll tell you about them in this week’s podcast. The guys revisit the McDonald’s ice cream machine issue to start.   This week, DIY voice assistants and home automation took center stage. But you’ll also hear abou...
4
3
[ { "comment_id": "6743824", "author": "Elliot Williams", "timestamp": "2024-03-22T16:51:06", "content": "Welcome to the annual daylight-savings-time-in-America-but-not-yet-in-Europe edition!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6743836", "author":...
1,760,371,970.460675
https://hackaday.com/2024/03/22/r-c-smoke-grenade-rolls-with-the-changes/
R/C Smoke Grenade Rolls With The Changes
Kristina Panos
[ "Tech Hacks" ]
[ "DRV8833", "grenade", "motors", "movie prop", "Seeed Xiao SAMD21" ]
https://hackaday.com/wp-…e-800.jpeg?w=800
[Davis DeWitt] gets to do something that many of us only dream of — build cool working props for movies. This time, the director asked for a realistic smoke grenade that can roll up to a mark and stop on it every take, pouring out smoke the entire time. [Davis] decided on a hamster ball-esque design that uses a pair of...
9
6
[ { "comment_id": "6743833", "author": "hello", "timestamp": "2024-03-22T17:25:19", "content": "Nice but it looks more like a cigarette than a smoke bomb", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6743863", "author": "Steven Clark", "timest...
1,760,371,970.782315
https://hackaday.com/2024/03/22/this-week-in-security-loop-dos-flipper-responds-and-more/
This Week In Security: Loop DOS, Flipper Responds, And More!
Jonathan Bennett
[ "Hackaday Columns", "News", "Security Hacks" ]
[ "android", "Fortigate", "Loop DOS", "This Week in Security" ]
https://hackaday.com/wp-…rkarts.jpg?w=800
Here’s a fun thought experiment. UDP packets can be sent with an arbitrary source IP and port, so you can send a packet to one server, and could aim the response at another server. What happens if that response triggers another response? What if you could craft a packet that continues that cycle endlessly? That is esse...
8
4
[ { "comment_id": "6743791", "author": "Bunsen", "timestamp": "2024-03-22T14:51:43", "content": "Canonical is enshittifying? Fetch my fainting couch with the surprised pikachu pillows.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6744131", "author":...
1,760,371,970.358873
https://hackaday.com/2024/03/22/ai-image-generation-meets-virtual-dress-up/
AI Image Generation Meets Virtual Dress Up
Donald Papp
[ "Machine Learning", "Software Hacks" ]
[ "ai image generator", "Diffusion", "virtual try-on" ]
https://hackaday.com/wp-…try-on.png?w=800
Image generators have really taken off thanks to machine learning, and all kinds of new ideas have been turned on in people’s heads as a result. OOTDiffusion is one such project, its job being to allow virtual try-ons of clothing by combining a picture of a person and an item of clothing, and doing so in a coherent way...
17
5
[ { "comment_id": "6743799", "author": "Gravis", "timestamp": "2024-03-22T15:26:37", "content": "I like the concept but clothing sizes and shapes are far from uniform. Without 3d model of the person, the item of clothing, and a catalog of fabric properties then you won’t really get what it will look l...
1,760,371,971.129628
https://hackaday.com/2024/03/22/open-ht-surgery-gives-cheap-transceiver-all-band-capabilities/
Open HT Surgery Gives Cheap Transceiver All-Band Capabilities
Dan Maloney
[ "Radio Hacks" ]
[ "amateur radio", "firmware", "ham", "handy talkie", "HF", "ht", "Quansheng", "shortwave", "SI4732", "ssb", "uv k5" ]
https://hackaday.com/wp-…nsheng.png?w=800
Watch out, Baofeng; there’s a new kid on the cheap handy talkie market, and judging by this hardware and firmware upgrade to the Quansheng UV-K5 , the radio’s hackability is going to keep amateur radio operators busy for quite a while. Like the ubiquitous Baofeng line of cheap transceivers, the Quansheng UV-K5 is desig...
35
15
[ { "comment_id": "6743698", "author": "ytrewq", "timestamp": "2024-03-22T09:01:03", "content": "> It’s important to note that this is a receive-only modification — you won’t be transmitting on the HF bands with this thing.It’s still very useful given the unreasonable price of HF full mode capable por...
1,760,371,971.791421
https://hackaday.com/2024/03/21/video-poker-takes-your-money-in-10-lines-of-basic/
Video Poker Takes Your Money In 10 Lines Of BASIC
Donald Papp
[ "Games", "Retrocomputing" ]
[ "basic", "contest", "poker", "retro", "vintage" ]
https://hackaday.com/wp-…enshot.png?w=672
It wasn’t easy, but [D. Scott Williamson] succeeded in implementing Jacks or Better Video Poker in 10 lines of BASIC, complete with flashing light and sound! Each round, one places a bet then plays a hand of 5-card draw, hoping to end up with Jacks or better. This program is [Scott]’s entry into the 2024 BASIC 10 Liner...
14
6
[ { "comment_id": "6743679", "author": "Matthew Begg", "timestamp": "2024-03-22T06:47:06", "content": "Good luck to everyone in this year’s BASIC 10 liner contest. Don’t forget to checkout all the entries including the two I’ve submitted this year – Hardware Hustle (inspired by a Hackaday article on t...
1,760,371,971.490214
https://hackaday.com/2024/03/21/weird-things-to-do-with-fpgas/
Weird Things To Do With FPGAs
Al Williams
[ "FPGA" ]
[ "fpga", "ring oscillator", "rng", "strain gauge" ]
https://hackaday.com/wp-…872329.png?w=800
There’s an old joke about how can you find the height of a building using a barometer. One of the punchlines is to drop the barometer from the roof and time how long it takes to hit the ground. We wonder if [Alexlao512] had that in mind when he wrote a post about unconventional uses of FPGAs . Granted, he isn’t droppin...
5
5
[ { "comment_id": "6743674", "author": "Drone", "timestamp": "2024-03-22T06:03:25", "content": "@Alexlao512 said:Frequency SynthesisWhile there are PLLs for clock generation on an FPGA, it is possible to create a PLL on an FPGA usable for radio frequency frontends with some external components. In the...
1,760,371,971.379333
https://hackaday.com/2024/03/20/a-tape-echo-for-anyone/
A Tape Echo For Anyone
Jenny List
[ "Musical Hacks" ]
[ "cassette", "echo machine", "tape echo" ]
https://hackaday.com/wp-…atured.jpg?w=800
If you’ve ever looked into how artists from the 1960s made their music, you’ll learn about the many inventive ways in which the tape recorder enabled new effects. One of the simplest of those is the tape echo, as distinct from a reverb which introduces the many delayed echoes of a large auditorium, an echo provides a s...
8
7
[ { "comment_id": "6743126", "author": "CapnBeyond", "timestamp": "2024-03-20T16:42:20", "content": "https://www.youtube.com/watch?v=GAR5hFTrZ0g&t=941s", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6743173", "author": "Brett", "timestamp": "2024-03-20T1...
1,760,371,971.831408
https://hackaday.com/2024/03/20/the-hunt-for-alien-radio-signals-began-sooner-than-you-think/
The Hunt For Alien Radio Signals Began Sooner Than You Think
Lewin Day
[ "Featured", "History", "Original Art", "Science" ]
[ "radio", "radio transmission", "SETI" ]
https://hackaday.com/wp-…nRadio.jpg?w=800
Every 26 months, Earth and Mars come tantalizingly close by virtue of their relative orbits. The closest they’ve been in recent memory was a mere 55.7 million kilometers, a proximity not seen in 60,000 years when it happened in 2003. However, we’ve been playing close attention to Mars for longer than that. All the way ...
22
10
[ { "comment_id": "6743096", "author": "TG", "timestamp": "2024-03-20T14:39:19", "content": "I wonder what it was like to live in an era where we were on the verge of space exploration and still believed Venus was a jungle planet. So much promise, such adventure.", "parent_id": null, "depth": ...
1,760,371,971.609766
https://hackaday.com/2024/03/20/commodore-chessmate-replica-runs-on-the-esp32/
Commodore CHESSmate Replica Runs On The ESP32
Maya Posch
[ "Games", "Retrocomputing" ]
[ "ChessMate", "commodore" ]
https://hackaday.com/wp-…uction.jpg?w=800
The Commodore CHESSmate chess computer might not be terribly well known, but that doesn’t make it any less worthy of being reproduced. If anything it is more important, as it gives more people an opportunity to use one of these devices, yet beyond a purely emulated experience the real user interface is harder to experi...
9
3
[ { "comment_id": "6743065", "author": "Panondorf", "timestamp": "2024-03-20T12:42:27", "content": "“not terribly well known”I think I remember these things being all over the place when I was little.Thanks for the reminder just how long it’s been.", "parent_id": null, "depth": 1, "replies...
1,760,371,971.548594
https://hackaday.com/2024/03/20/arduino-gear-shift-indicator-finds-em-so-you-wont-grind-em/
Arduino Gear Shift Indicator Finds ‘Em So You Won’t Grind ‘Em
Dan Maloney
[ "Transportation Hacks" ]
[ "arduino", "design", "gear shift", "hall sensor", "manual transmission", "simulator", "wokwi" ]
https://hackaday.com/wp-…_shift.jpg?w=800
Now, it’s been a shamefully long time since we’ve driven a car with a manual transmission, but as we recall it was pretty straightforward. It certainly didn’t require a lot of help with the shifting pattern, at least not enough to require a technical solution to know what gear you’re in. But then again, we suspect that...
75
14
[ { "comment_id": "6743007", "author": "Dave the Driver", "timestamp": "2024-03-20T08:18:39", "content": ">a follow-up project where the display goes inside the shifter knobThat strikes me as being pretty dumb, when a lot of learning to drive is about learning to use your hands without looking down. W...
1,760,371,971.725167
https://hackaday.com/2024/03/19/repairing-a-gear-with-a-candle-and-some-epoxy/
Repairing A Gear With A Candle (and Some Epoxy)
Al Williams
[ "Repair Hacks" ]
[ "epoxy", "epoxy casting", "gear" ]
https://hackaday.com/wp-…3/gear.png?w=800
You have a broken gear you need to fix, but there’s no equivalent part available. That’s the issue [Well Done Tips] faced with a plastic gear from a lawnmower. While we’d be tempted to scan the gear, repair the damage in CAD and then 3D print a new one, we enjoyed hearing about his low-tech solution . In addition to th...
19
7
[ { "comment_id": "6742992", "author": "Jan-Erik", "timestamp": "2024-03-20T06:52:37", "content": "An alternative to epoxy is super glue and baking soda, it really is surprisingly strong. Check tutorials on Youtube!", "parent_id": null, "depth": 1, "replies": [ { "comment_id"...
1,760,371,971.436406
https://hackaday.com/2024/03/19/your-text-needs-more-jpeg/
Your Text Needs More JPEG
Bryan Cockfield
[ "Software Hacks" ]
[ "compression", "dct", "discrete cosine transform", "fft", "fourier transform", "javascript", "JPEG", "lossifizer", "lossy", "text" ]
https://hackaday.com/wp-…g-main.png?w=800
We’ve all been victims of bad memes on the Internet, but they’re not all just bad jokes gone wrong. Some are simply bad as a result of being copies-of-copies, as each reposter adds another layer of compression to an already lossy image format like JPEG. Compression can certainly be a benefit in areas like images and vi...
22
12
[ { "comment_id": "6742975", "author": "David", "timestamp": "2024-03-20T04:02:58", "content": "Note_tI self: _don’t pIst coMmenTs.Ir Hackaday while druNKThat’s “11.9” compression of “Note to self: Don’t post comments on Hackaday while drunk.”", "parent_id": null, "depth": 1, "replies": [...
1,760,371,972.02064
https://hackaday.com/2024/03/19/breadboard-sdr-doesnt-need-much/
Breadboard SDR Doesn’t Need Much
Al Williams
[ "Radio Hacks" ]
[ "sdr", "software-defined radio" ]
https://hackaday.com/wp-…03/sdr.png?w=800
[Grug Huhler] built a simple Tayloe mixer and detector on a breadboard. He decided to extend it a bit to be a full-blown software defined radio (SDR) . He then used WSJT-X to monitor FT8 signals and found that he could pick up signals from all over the world with the little breadboard system. A Raspberry Pi Pico genera...
10
6
[ { "comment_id": "6742957", "author": "Steven-X", "timestamp": "2024-03-20T01:08:57", "content": "I bought 2 Soft Rock kits I really need to put together!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6743044", "author": "solipso", "timestamp...
1,760,371,971.964699
https://hackaday.com/2024/03/21/apple-vision-pros-secret-to-smooth-visuals-subtly-substandard-optics/
Apple Vision Pro’s Secret To Smooth Visuals? Subtly Substandard Optics
Donald Papp
[ "Virtual Reality" ]
[ "AVP", "blurry", "hmd", "optics", "vision pro", "vr" ]
https://hackaday.com/wp-…/unity.jpg?w=800
The displays inside the Apple Vision Pro have 3660 × 3200 pixels per eye, but veteran engineer [Karl Guttag]’s analysis of its subtly blurred optics reminds us that “resolution” doesn’t always translate to resolution , and how this is especially true for things like near-eye displays. The Apple Vision Pro lacks the usu...
32
9
[ { "comment_id": "6743331", "author": "Foldi-One", "timestamp": "2024-03-21T10:05:13", "content": "I wonder if that blur is why some users are reporting the Apple Vision Pro is more tiring than other VR headsets on the eyes than their usual VR setup. It would make some sense to me, with the eye tryin...
1,760,371,972.082518
https://hackaday.com/2024/03/20/these-keycaps-are-100-recycled-plastic/
These Keycaps Are 100% Recycled Plastic
Kristina Panos
[ "green hacks" ]
[ "injection molding", "keycaps", "plastic recycling", "recycled plastic" ]
https://hackaday.com/wp-…ap-800.png?w=800
Artisan keycaps are generally meant to replace your Escape key, though they can be used anywhere you like (as long as they fit, of course). Keycap maker [tellybelly] of jankycaps has been experimenting with making keycaps out of 100% recycled plastic, and offers an interesting post detailing their development and produ...
4
2
[ { "comment_id": "6743301", "author": "Dwayne!", "timestamp": "2024-03-21T06:51:39", "content": "They look like it too. 😬", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6743419", "author": "Gravis", "timestamp": "2024-03-21T16:13:30", ...
1,760,371,972.123386
https://hackaday.com/2024/03/20/you-should-be-allowed-to-fix-mcdonalds-ice-cream-machines-say-federal-regulators/
You Should Be Allowed To Fix McDonald’s Ice Cream Machines, Say Federal Regulators
Lewin Day
[ "News", "Repair Hacks" ]
[ "doj", "FTC", "ice cream machine", "McDonald's" ]
https://hackaday.com/wp-…shot-1.png?w=800
Editors Note: According to our infallible record keeping, this is the 50,000th post published on Hackaday! We weren’t sure this was the kind of milestone that required any drawn out navel-gazing on our part, but it does seem significant enough to point out. We didn’t pick any specific post to go out in this slot, but t...
23
11
[ { "comment_id": "6743275", "author": "Antron Argaiv", "timestamp": "2024-03-21T02:11:58", "content": "Will this DMCA exception need to be renewed every (3?) years? Or will it be permanent? Because exempting “commercial and industrial” equipment from DMCA is a huge (positive) change.", "parent_id...
1,760,371,972.272729
https://hackaday.com/2024/03/20/floss-weekly-episode-775-meshtastic-central/
FLOSS Weekly Episode 775: Meshtastic Central
Jonathan Bennett
[ "Hackaday Columns", "Podcasts" ]
[ "FLOSS Weekly", "Meshtastic", "open source" ]
https://hackaday.com/wp-…pewire.jpg?w=800
This week, Jonathan Bennett and Rob Campbell chat with Ben Meadors and Adam McQuilkin to talk about what’s new with Meshtastic! There’s a lot. To start with, your favorite podcast host has gotten roped into doing development for the project. There’s a new Rust client, there’s a way to run the firmware on Linux Native, ...
4
3
[ { "comment_id": "6743259", "author": "Kelly", "timestamp": "2024-03-21T00:23:16", "content": "I’m confused – Zigbee is a flop, a failure and any of us that tried it know that. The power consumption, the firmware bugs, the dozens of F/W loads depending on node use – Digi is terrible. RIP Zigbee.Next…...
1,760,371,972.169275
https://hackaday.com/2024/03/20/diy-rc-controller-built-with-old-school-parts/
DIY RC Controller Built With Old-School Parts
Lewin Day
[ "Misc Hacks" ]
[ "radio control", "rc" ]
https://hackaday.com/wp-…709200.jpg?w=800
Once upon a time, RC transmitters were expensive units that cost hundreds of dollars even at the low end. Now, you can get them pretty cheaply, or, you can choose to build your own. [Phytion] did just that. The design isn’t based around a modern microcontroller, nor does it rely on WiFi or Bluetooth connections. Instea...
16
7
[ { "comment_id": "6743201", "author": "Clovis Fritzen", "timestamp": "2024-03-20T20:09:18", "content": "I once made a remote control system from ground up (not looking at any code nor using third party codes), using a pair of ATMEGA328 and 433Mhz transceivers.https://www.youtube.com/watch?v=Z_3vzpvni...
1,760,371,972.216362
https://hackaday.com/2024/03/20/2024-home-sweet-home-automation-a-diy-scada-smart-home/
2024 Home Sweet Home Automation: A DIY SCADA Smart Home
Dave Rowntree
[ "contests", "home hacks" ]
[ "2024 Home Sweet Home Automation", "Arduino Mega 2560", "Arduino Uno", "grafana", "home automation", "Modbus", "mqtt", "nodered", "plc", "Raspberry Pi 3", "SCADA" ]
https://hackaday.com/wp-…atured.png?w=800
Touch-screen control and monitoring Supervisory control and data acquisition, or SCADA, systems sit in the background in industrial settings, performing all kinds of important jobs but in an ad-hoc setup, depending on the precise requirements of the installation. When we think about home automation systems, they’re pre...
22
9
[ { "comment_id": "6743189", "author": "Renan Marques Avelar Valente", "timestamp": "2024-03-20T19:41:27", "content": "Very very well made, but its 2024, centralized controls (a massive amount of wires getting out of a single cabinet is out of fashion). Can you imagine running a hot wire from every re...
1,760,371,972.602695
https://hackaday.com/2024/03/20/the-lunar-odyssey-moon-landings-from-the-1960s-to-todays-attempts/
The Lunar Odyssey: Moon Landings From The 1960s To Today’s Attempts
Maya Posch
[ "Hackaday Columns", "Space" ]
[ "lunar lander", "Moon landing" ]
https://hackaday.com/wp-…yloads.jpg?w=800
With the recent string of lunar landing attempts, it’s interesting to consider how much things have changed – or stayed the same – since the first soft landing attempts in the 1960s with the US Ranger and USSR Luna landers. During the 1950s the possibility of landing a spacecraft on the Moon’s surface was investigated ...
21
7
[ { "comment_id": "6743160", "author": "Clovis Fritzen", "timestamp": "2024-03-20T17:42:44", "content": "I once read the Thomas Kelly’ “Moon lander”https://www.amazon.com.br/Moon-Lander-Developed-Apollo-Module/dp/1588342735telling the history of the actual moon lander with apollo 11; worth the read."...
1,760,371,972.541086
https://hackaday.com/2024/03/19/cute-co2-gauge-tells-you-when-to-crack-a-window/
Cute CO2 Gauge Tells You When To Crack A Window
Kristina Panos
[ "Microcontrollers" ]
[ "co2", "CO2 gauge", "ds3225", "ESP32-S2", "servo", "Wemos S2 mini" ]
https://hackaday.com/wp-…O2-800.jpg?w=800
[Cyrill] has a good home automation scheme going: there are a number of physical switches set around the place that control the essential functions. The only problem is that in the winter time, this results in a great deal of phone checking as [Cyrill] tries to monitor the CO 2 level. Tired of all this screen time, [Cy...
25
10
[ { "comment_id": "6742893", "author": "Tweepy", "timestamp": "2024-03-19T20:06:49", "content": "Very nice, but random noise will drive you nuts during the night.I would use a cheap galvometer/voltmeter, driven by a simple analog/pwm_Write()", "parent_id": null, "depth": 1, "replies": [] ...
1,760,371,972.705941
https://hackaday.com/2024/03/19/2024-home-sweet-home-automation-a-piano-controlled-smart-home/
2024 Home Sweet Home Automation: A Piano-Controlled Smart Home
Kristina Panos
[ "contests", "Musical Hacks" ]
[ "2024 Home Sweet Home Automation", "home-assistant", "midi", "midi piano", "piano" ]
https://hackaday.com/wp-…me-800.png?w=800
There’s a scene in Willy Wonka and the Chocolate Factory where a little flap in the wall flips down to reveal a small organ embedded there. Gene Wilder plays a bit of Rachmaninoff on the organ, and the giant door to the chocolate room slowly creaks open. Once [Nathan Orick] got this into his head, he couldn’t get it ou...
7
5
[ { "comment_id": "6742868", "author": "Yeah, I'm Old", "timestamp": "2024-03-19T18:47:35", "content": "There was an episode of “Wild, Wild West” where Doctor Lovelace is controlling a steam-powered murderbot by playing an organ. If I recall correctly, it was one of the early episodes, before the show...
1,760,371,972.641255
https://hackaday.com/2024/03/19/pcb-design-review-esp32-s3-round-lcd-board/
PCB Design Review: ESP32-S3 Round LCD Board
Arya Voronova
[ "Hackaday Columns", "PCB Hacks", "Skills" ]
[ "design review", "ESP32", "ESP32-S3", "round display" ]
https://hackaday.com/wp-…sistor.jpg?w=800
For our next installment, I have a lovely and daring PCB submitted by one of our readers, [Vas]. This is an ESP32-S3 board that also has an onboard round TFT display, very similar to the one we used on the Vectorscope badge . The badge is self-sufficient – it has an ESP32, it has a display, a programming connector, two...
6
4
[ { "comment_id": "6742895", "author": "Tweepy", "timestamp": "2024-03-19T20:10:08", "content": "Great article for eagle import.Watch for antenna keepout as they are meant to stay keepout: even a non-present SD card is a no go! (so are tracks opening the ground of a 2 layers around the antenna)", ...
1,760,371,973.136545
https://hackaday.com/2024/03/19/running-power-and-data-over-just-two-wires/
Running Power And Data Over Just Two Wires
Lewin Day
[ "Transportation Hacks" ]
[ "bicycle", "communication", "data", "dc", "powerline communication" ]
https://hackaday.com/wp-…shot-1.png?w=800
When you’re hooking up equipment across a vehicle, you’re often stuck sending power and data to and from things like sensors or actuators. The more wires you have to run, the more hassle, so it’s desirable to get this number as low as possible. That’s an especially big deal in the world of cycling electronics, where ev...
50
16
[ { "comment_id": "6742828", "author": "Pat", "timestamp": "2024-03-19T16:07:35", "content": "I’ve done this as well, based on some old EE article, but there are a few things to note:1. You want really low reverse leakage current on the diodes that lead into the peak/average detector. There are plenty...
1,760,371,972.786832
https://hackaday.com/2024/03/19/the-greenhouse-effect-isnt-for-greenhouses/
The Greenhouse Effect Isn’t For Greenhouses
Lewin Day
[ "Featured", "Interest", "Science" ]
[ "climate change", "global warming", "greenhouse", "greenhouse gas" ]
https://hackaday.com/wp-…atured.png?w=800
Think of a greenhouse. It’s a structure with glass walls that lets light in and traps heat, all for the benefit of the plants inside. As for how it works, that’s elementary! It’s all down to the greenhouse effect… right? Alas, no. So many of us have been mislead. Let’s rexamine how we think greenhouses work, and then e...
22
9
[ { "comment_id": "6742807", "author": "Javier Lomas", "timestamp": "2024-03-19T14:15:21", "content": "Fascinating topic, isn’t?At night and even before sunset heat transmission in the format of long wave radiation from the bottom of the greenhouse towards the roof play a significant role in the plant...
1,760,371,972.93571
https://hackaday.com/2024/03/19/photoresistors-provide-air-gap-data-transfer-slowly/
Photoresistors Provide Air Gap Data Transfer, Slowly
Bryan Cockfield
[ "Security Hacks" ]
[ "air gap", "optoisolation", "photoresistor" ]
https://hackaday.com/wp-…p_feat.jpg?w=800
One of the simplest ways of keeping a computer system secure is by using an air gap — that is, never actually connecting the system to the network. This can often include other peripherals like USB drives and other removable storage as well, so getting information to and from secure (or compromised) systems behind air ...
50
17
[ { "comment_id": "6742752", "author": "nrdev", "timestamp": "2024-03-19T11:05:50", "content": "While I see some interest in the proof of concept, I don’t see a real case where this would be handy…While you have complete access to the computer, assuming you want to keep it air gapped, it would make mo...
1,760,371,972.871864
https://hackaday.com/2024/03/19/modern-microcontroller-boosts-classic-logic-analyzer-to-new-heights/
Modern Microcontroller Boosts Classic Logic Analyzer To New Heights
Lewin Day
[ "classic hacks", "Tool Hacks" ]
[ "hewlett packard", "HP", "test equipment" ]
https://hackaday.com/wp-…284811.jpg?w=800
[Ted Fried] recently found a beautiful HP 1600A/1607A logic analyzer set . State of the art in 1975, it looks like glorious Space Age equipment today. He decided to hook it up some modern gear to put it through its paces. Wanting to give the equipment a proper shakedown, he enlisted a Teensy 4.1 to spit a deluge of log...
5
3
[ { "comment_id": "6742743", "author": "macsimski", "timestamp": "2024-03-19T09:58:18", "content": "Damn. The 1607A. I have been looking for the ne for ages now, to complement my own 1600A. Using the memory map for this is kinda cute.", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,371,973.178249
https://hackaday.com/2024/03/18/diy-pocket-pong-breaks-the-mobile-spell/
DIY Pocket PONG Breaks The Mobile Spell
Kristina Panos
[ "Games" ]
[ "buzzer", "esp32-C3", "melting plastic", "pong", "potentiometer" ]
https://hackaday.com/wp-…G-main.png?w=800
[Minikk], aka [Athul] is about to enter 10th grade and reports that they and their contemporaries are eschewing boring mobile games for 90s stuff and old games like PONG . Well, we already knew the 90s were back, but it’s nice to see that even older stuff is coming along with it. The kids are alright. Whether you want ...
8
3
[ { "comment_id": "6742710", "author": "DavidO", "timestamp": "2024-03-19T06:45:50", "content": "— How can it be more thrilling?With sheep:https://youtu.be/vGOGOxtN2lM?t=60", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6742725", "author": "Davidp", ...
1,760,371,973.082862
https://hackaday.com/2024/03/18/learn-ai-via-spreadsheet/
Learn AI Via Spreadsheet
Al Williams
[ "Artificial Intelligence" ]
[ "ChatGPT", "spreadsheet" ]
https://hackaday.com/wp-…/gptss.png?w=800
While we’ve been known to use and abuse spreadsheets in the past, we haven’t taken it to the level of [Spreadsheets Are All You Need]. The site provides a spreadsheet version of an “AI” system much like ChatGPT 2. Sure, that’s old tech, but the fundamentals are the same as the current crop of AI programs. There are sev...
8
5
[ { "comment_id": "6742701", "author": "Ostracus", "timestamp": "2024-03-19T05:05:20", "content": "768? Wow! Bring us back to our days of typing in numbers from a program listing in a magazine.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6742855", "...
1,760,371,973.218586
https://hackaday.com/2024/03/18/faux-silkscreen-on-a-pcb-made-with-a-laser-cutter/
Faux Silkscreen On A PCB Made With A Laser Cutter
Lewin Day
[ "Tool Hacks" ]
[ "laser cutter", "marking", "pcb" ]
https://hackaday.com/wp-…790801.png?w=800
If you’re getting PCBs professionally made, silkscreen usually comes free as part of the package. However, if you’re making your own, the job is on you. [Tony Goacher] makes his own PCBs on a CNC router, so he’s not getting any silkscreening as part of that bargain. But he wondered— could he do something analogous with...
13
6
[ { "comment_id": "6742664", "author": "BT", "timestamp": "2024-03-18T23:23:41", "content": "Far from my area of expertise but I wonder if you could coat the PCB with… something… and laser engrave the coating for a higher definition result?", "parent_id": null, "depth": 1, "replies": [ ...
1,760,371,973.313272
https://hackaday.com/2024/03/18/using-a-framework-mainboard-for-a-custom-gaming-handheld/
Using A Framework Mainboard For A Custom Gaming Handheld
Maya Posch
[ "laptops hacks" ]
[ "diy handheld", "Framework laptop" ]
https://hackaday.com/wp-…_shell.jpg?w=800
The nearly final prototype case for the handheld Framework-based gaming system. (Credit: TommyB, YouTube) Building your own handheld gaming console has been a popular project for many years, but recently it has become significantly easier to get a lot of power into a small package. Like many others, [TommyB] made his o...
7
3
[ { "comment_id": "6742675", "author": "stanczyk", "timestamp": "2024-03-19T01:04:45", "content": "This isn’t the first or the last attempt. Each one has its faults and strengths.https://youtu.be/dDPA2LtZ6RI?si=hDqHEGNLGPVKCNTyhttps://youtu.be/NTkb0HOr6Qk?si=thU03-Iral_Ah1Nh", "parent_id": null, ...
1,760,371,973.266347
https://hackaday.com/2024/03/18/proper-routing-makes-for-many-happy-return-paths/
Proper Routing Makes For Many Happy Return Paths
Dan Maloney
[ "PCB Hacks" ]
[ "current loop", "eda", "emc", "emi", "pcb", "return path", "RF", "routing", "signal", "trace" ]
https://hackaday.com/wp-…aths_1.png?w=800
Here’s a question for you: when your PCB has a ground plane layer, where do return signals flow? It seems like a trick question, but as [Kristof Mulier] explains, there’s more to return path routing ( alternate link in case you run into a paywall) than just doing a copper pour and calling it a day. Like so many other t...
18
12
[ { "comment_id": "6742603", "author": "Pat", "timestamp": "2024-03-18T19:31:28", "content": "Not the best example there, though – if you care about that trace so much you shouldn’t be swapping layers if you can avoid it, period, especially on a 4-layer board where the impedance between top/gnd and bo...
1,760,371,973.366465
https://hackaday.com/2024/03/18/the-f-number-on-a-lens-means-something-who-knew/
The F Number On A Lens Means Something? Who Knew!
Jenny List
[ "digital cameras hacks", "Featured", "Interest", "Slider" ]
[ "camera", "F number", "f-stop", "lens" ]
https://hackaday.com/wp-…atured.jpg?w=800
The Raspberry Pi has provided experimenters with many channels of enquiry, and for me perhaps the furthest into uncharted waters it has led me has come through its camera interface. At a superficial level I can plug in one of the ready-made modules with a built-in tiny lens, but as I experiment with the naked sensors o...
59
19
[ { "comment_id": "6742553", "author": "Steven Clark", "timestamp": "2024-03-18T17:34:30", "content": "So you accidentally reinvented the speedbooster?", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6742561", "author": "Mike W0BTU", "timestamp": "2024-03...
1,760,371,973.481461
https://hackaday.com/2024/03/18/the-chandra-x-ray-observatory-faces-shutdown-in-fy2025-budget/
The Chandra X-Ray Observatory Faces Shutdown In FY2025 Budget
Maya Posch
[ "News", "Space" ]
[ "Chandra", "space telescope", "x-ray" ]
https://hackaday.com/wp-…dition.jpg?w=800
The Chandra X-ray Observatory started its mission back in 1999 when Space Shuttle Columbia released it from its payload bay. Originally, it was supposed to serve only a five-year mission, but it has managed twenty-four years so far and counting, providing invaluable science along with the other Great Observatory: the H...
30
9
[ { "comment_id": "6742522", "author": "Cody", "timestamp": "2024-03-18T15:35:49", "content": "Sounds like politics. Don’t plan cuts for useless things and sya with the budget cut you need to cut usefull things rather than the useless ones to play for more money. Typical fief behavior. It should be...
1,760,371,973.602702
https://hackaday.com/2024/03/18/keebin-with-kristina-the-one-with-the-offset-stem-keycaps/
Keebin’ With Kristina: The One With The Offset-Stem Keycaps
Kristina Panos
[ "Hackaday Columns", "Peripherals Hacks", "Slider" ]
[ "keyboard photos", "offset keycaps", "Topre" ]
https://hackaday.com/wp-…Keebin.jpg?w=800
Image by [Leo_keeb] via reddit Love it or hate it, I think this is a really cool idea. [Leo_keeb] has designed a new set of keycaps for the Happy Hacking Keyboard (HHKB). The keycaps’ stems are offset to the left or right in order to turn this once-staggered keyboard into an ortholinear object. So, how do they feel? Th...
3
3
[ { "comment_id": "6742516", "author": "Joseph Eoff", "timestamp": "2024-03-18T14:56:10", "content": "“Alas, the machine was quite popular in the US and abroad.”What’s wrong with the Postal typewriter having been popular in the US and other parts of the world?https://dictionary.cambridge.org/dictionar...
1,760,371,973.535457
https://hackaday.com/2024/03/18/ancient-instrument-goes-digital-the-digi-gurdy/
Ancient Instrument Goes Digital: The Digi-Gurdy
Donald Papp
[ "Musical Hacks" ]
[ "digi-gurdy", "hurdy gurdy", "instrument", "laser cut", "midi", "music" ]
https://hackaday.com/wp-…shot_e.jpg?w=800
The hurdy-gurdy is a fascinating string instrument dating from sometime around the 10th century. There is an active community of modern enthusiasts, but one can’t simply walk into a music shop and buy one. That’s where [XenonJohn] and the Digi-Gurdy come in, bringing some nice features while maintaining all the importa...
12
6
[ { "comment_id": "6742476", "author": "NQ", "timestamp": "2024-03-18T12:30:16", "content": "Perfect chance to have an on the fly swap of the drone note.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6742513", "author": "Howard West", "timestamp": "2024...
1,760,371,973.788498
https://hackaday.com/2024/03/18/rnode-a-portable-unrestricted-digital-radio/
RNODE: A Portable Unrestricted Digital Radio
Dave Rowntree
[ "Radio Hacks" ]
[ "3d printed", "APRS", "cryptography", "LiliyGo", "LoRa", "LXME", "Nomad", "reticulum", "Sideband", "u.fl" ]
https://hackaday.com/wp-…atured.png?w=800
RNode is an open source, unrestricted digital radio transceiver based on — but not limited to — the Reticulum cryptographic networking stack . It is another interesting project in what we might call the “Federated application” space in that it is intended to be used with no central controlling body. It can be used in a...
10
4
[ { "comment_id": "6742652", "author": "Bob", "timestamp": "2024-03-18T22:10:21", "content": "Is this a clone of meshtastic or is meshtastic a clone of this?Either way:https://xkcd.com/927/", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6742658", "auth...
1,760,371,974.023304
https://hackaday.com/2024/03/17/thrift-store-cd-rack-turns-into-small-parts-storage-playground/
Thrift Store CD Rack Turns Into Small Parts Storage Playground
Dan Maloney
[ "Misc Hacks" ]
[ "3d printing", "cd", "drawer", "organization", "shop", "small parts", "storage" ]
https://hackaday.com/wp-…_parts.png?w=800
What in the world could an accessory for an obsolete audio medium possibly have to do with keeping all your unruly bits and pieces in order? First of all, we’re not sure the CD is quite dead yet; we’ve got about a thousand of them packed away somewhere, and we’re pretty sure they’ll be back in style again one of these ...
15
8
[ { "comment_id": "6742421", "author": "Old school", "timestamp": "2024-03-18T06:52:14", "content": "dude?! really?! obsolete…dead…eclipsed….let me tell you CDs is as far as I got and as far as I will go techwise – screw streaming – it’s a Biggus Corous corp daa suck machine.I’m staying on CDs (and DV...
1,760,371,973.733627
https://hackaday.com/2024/03/17/shotaro-kanedas-motorcycle-for-real/
Shôtarô Kaneda’s Motorcycle, For Real
Jenny List
[ "Transportation Hacks" ]
[ "akira", "anime", "kaneda", "motorcycle" ]
https://hackaday.com/wp-…atured.jpg?w=800
For fans of the iconic anime Akira , there’s only one way to traverse the mean streets of post-apocalyptic neo-Tokyo, and that’s the futuristic mount of motorcycle gang leader Shôtarô Kaneda. It’s a low-down feet-forward machine with, we’re told, “Ceramic double-rotor two-wheel drive,” which we’re guessing is some kind...
25
14
[ { "comment_id": "6742391", "author": "Akolzol.com", "timestamp": "2024-03-18T02:03:16", "content": "look so nice! love it!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6742555", "author": "Ostracus", "timestamp": "2024-03-18T17:40:13", ...
1,760,371,973.87916
https://hackaday.com/2024/03/17/hackaday-links-march-17-2024/
Hackaday Links: March 17, 2024
Dan Maloney
[ "Hackaday Columns", "Hackaday links", "Slider" ]
[ "ai", "architecture", "Avi Loeb", "blender", "Coriolis", "extraterrestrial", "gemini", "google", "hackaday links", "industrial automation", "prompt engineering", "seismic", "spin gravity", "spoofing", "SR-71", "starship", "wifi" ]
https://hackaday.com/wp-…banner.jpg?w=800
A friend of ours once described computers as “high-speed idiots.” It was true in the 80s, and it appears that even with the recent explosion in AI, all computers have managed to do is become faster. Proof of that can be found in a story about using ASCII art to trick a chatbot into giving away the store . As anyone who...
16
6
[ { "comment_id": "6742396", "author": "Adrian", "timestamp": "2024-03-18T02:32:05", "content": "No fan of Loeb, but I think the paper only challenges the area where Loeb was searching for the spherules. The claim of interstellar origin of the meteorite is based on different data than the seismometer ...
1,760,371,973.93611
https://hackaday.com/2024/03/17/rp2040-boot-loader-is-a-worm/
RP2040 Boot Loader Is A Worm
Chris Lott
[ "Raspberry Pi", "Tech Hacks" ]
[ "bootloader", "Cornell University", "hunter adams", "robot swarm", "rp2040", "virtual fencing", "worms" ]
https://hackaday.com/wp-…eature.png?w=800
[Hunter Adams] has written a secondary bootloader for the RP2040 that uses an IR link and can be extended to behave like a polite worm virus. This allows the easy updating of a large cluster of co-located RP2040-based controllers. This could be handy in applications like swarm robotics or virtual cattle fencing. The pr...
8
5
[ { "comment_id": "6742369", "author": "Drone", "timestamp": "2024-03-18T00:10:28", "content": "“This could be handy in applications like swarm robotics or virtual cattle fencing.”Virtual Fencing is cool, especially when used for herds of humans.Here is a nifty online virtual cattle fencing cost calcu...
1,760,371,973.977374
https://hackaday.com/2024/03/17/simple-ntp-clock-uses-custom-rgb-7-segment-displays/
Simple NTP Clock Uses Custom RGB 7-Segment Displays
Lewin Day
[ "clock hacks" ]
[ "clock", "ntp", "time-keeping" ]
https://hackaday.com/wp-…906683.png?w=772
A great majority of hackers build a clock at some point. It’s a great way to get familiar with electronics and (often) microcontrollers, and you get to express some creativity along the way. Plus, you get something useful when you’re done! [Tadas Ustinavičius] recently trod this well-worn path and built a neat little N...
14
8
[ { "comment_id": "6742293", "author": "steelman", "timestamp": "2024-03-17T17:57:05", "content": "For initial configuration, the phone creates its own WiFi hotspotPhone?", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6742299", "author": "Kelly", "timest...
1,760,371,974.160797