Interactive LED Matrix Is A Great Way To Learn About Motion Controls
?w=800" alt=""/>It’s simple enough to wire up an LED matrix and have it display some pre-programmed routines. What can be more fun is when the LEDs are actually interactive in some https://hackaday.com/2025/01/21/interactive-led-matrix-is-a-great-way-to-learn-about-motion-controls/
Hydroelectric Generator Gets Power From Siphoning
?w=800" alt=""/>Siphons are one of those physics phenomena that, like gyroscopes, non-Newtonian fluids, and electricity, seem almost magical. Thanks to atmospheric pressure, simply filling a tube with liquid and placing the https://hackaday.com/2025/01/21/hydroelectric-generator-gets-power-from-siphoning/
https://hackaday.com/2025/01/21/hydroelectric-generator-gets-power-from-siphoning/
Family Bass Is Musical NES Magic
?w=800" alt=""/>The Family BASIC keyboard was a peripheral that was built for programming on the Nintendo Family Computer, or Famicom. As [Linus Åkesson] demonstrates, though, it can do so much more. https://hackaday.com/2025/01/21/family-bass-is-musical-nes-magic/
https://hackaday.com/2025/01/21/family-bass-is-musical-nes-magic/
Mining and Refining: The Halogens
?w=800" alt=""/>I was looking at the periodic table of the elements the other day, as one does, when my eye fell upon the right-hand side of the chart. Right next to https://hackaday.com/2025/01/21/mining-and-refining-the-halogens/
https://hackaday.com/2025/01/21/mining-and-refining-the-halogens/
A Quarter and A Dime Will Get You A Commodore 64 Softmodem
?w=800" alt=""/>Back in the 1980s, a viable modem cost hundreds of dollars. Even in the 1990s, you were looking at spending a a Benjamin or two to get computer squawking down https://hackaday.com/2025/01/20/a-quarter-and-a-dime-will-get-you-a-commodore-64-softmodem/
https://hackaday.com/2025/01/20/a-quarter-and-a-dime-will-get-you-a-commodore-64-softmodem/
Bambu Lab Tries to Clarify Its New “Beta” Authentication Scheme
?w=800" alt=""/>Perhaps one of the most fascinating aspects of any developing tech scandal is the way that the target company handles criticism and feedback from the community. After announcing a new https://hackaday.com/2025/01/20/bambu-lab-tries-to-clarify-its-new-beta-authentication-scheme/
https://hackaday.com/2025/01/20/bambu-lab-tries-to-clarify-its-new-beta-authentication-scheme/
3D-Printed RC Car Focuses on Performance Fundamentals
There are a huge number of manufacturers building awesome radio-controlled cars these days. However, sometimes you just have to go your own way. That’s what [snamle] did with this awesome https://hackaday.com/2025/01/20/3d-printed-rc-car-focuses-on-performance-fundamentals/
https://hackaday.com/2025/01/20/3d-printed-rc-car-focuses-on-performance-fundamentals/
Modulathe Is CNC Ready And Will Machine What You Want
?w=800" alt=""/>Once upon a time, lathes were big heavy machines driven by massive AC motors, hewn out of cast iron and sheer will. Today, we have machine tools of all shapes https://hackaday.com/2025/01/20/modulathe-is-cnc-ready-and-will-machine-what-you-want/
https://hackaday.com/2025/01/20/modulathe-is-cnc-ready-and-will-machine-what-you-want/
DIY Strontium Aluminate Glows in the Dark
?w=800" alt=""/>[Maurycyz] points out right up front: several of the reagents used are very corrosive and can produce toxic gasses. We weren’t sure if they were trying to dissuade us not https://hackaday.com/2025/01/20/diy-strontium-aluminate-glows-in-the-dark/
https://hackaday.com/2025/01/20/diy-strontium-aluminate-glows-in-the-dark/
Time-of-Flight Sensors: How Do They Work?
?w=800" alt=""/>If you need to measure a distance, it is tempting to reach for the ubiquitous ultrasonic module like an HC-SR04. These work well, and they are reasonably easy to use. https://hackaday.com/2025/01/20/time-of-flight-sensors-how-do-they-work/
https://hackaday.com/2025/01/20/time-of-flight-sensors-how-do-they-work/
Innovative Clock Uses Printed Caustic Lens
?w=800" alt=""/>Hackers and makers have built just about every kind of clock under the sun. Digital, analog, seven-segment, mechanical seven-segment, binary, ternary, hexadecimal… you name it. It’s been done. You really https://hackaday.com/2025/01/20/innovative-clock-uses-printed-caustic-lens/
https://hackaday.com/2025/01/20/innovative-clock-uses-printed-caustic-lens/
Bone Filament, For Printing Practice Bones
?w=800" alt=""/>Of course there is bone-simulation filament on the market. What’s fun about this Reddit thread is all of the semi-macabre concerns of surgeons who are worried about its properties matching https://hackaday.com/2025/01/19/bone-filament-for-printing-practice-bones/
https://hackaday.com/2025/01/19/bone-filament-for-printing-practice-bones/
A Direct Conversion Receiver Anyone Can Build
?w=800" alt=""/>A couple of years ago one of the Hackaday Prize finalists was a project to take highschoolers through building a direct conversion radio receiver for the 40 metre amateur band. https://hackaday.com/2025/01/15/a-direct-conversion-receiver-anyone-can-build/
https://hackaday.com/2025/01/15/a-direct-conversion-receiver-anyone-can-build/
All The Attacks on the RP2350
?w=800" alt=""/>Raspberry Pi’s new microcontroller, the RP2350, has a small section of memory that is meant for storing secrets. It’s protected by anti-glitching and other countermeasures, and the Raspberries wanted to https://hackaday.com/2025/01/15/all-the-attacks-on-the-rp2350/
https://hackaday.com/2025/01/15/all-the-attacks-on-the-rp2350/
Forget the Coax, Wire Up Your Antennas with Cat 6 Cable
?w=800" alt=""/>These days, anything with copper in it is expensive. If you doubt that, a walk into any Home Depot electrical department, where the wire is locked up tighter than Fort https://hackaday.com/2025/01/15/forget-the-coax-wire-up-your-antennas-with-cat-6-cable/
https://hackaday.com/2025/01/15/forget-the-coax-wire-up-your-antennas-with-cat-6-cable/
FLOSS Weekly Episode 816: Open Source AI
?w=800" alt=""/>This week, Jonathan Bennett and Aaron Newcomb chat with Simon Phipps and Stefano Maffulli about Open Source AI. Why did we need a new definition? Has it been controversial? And https://hackaday.com/2025/01/15/floss-weekly-episode-816-open-source-ai/
https://hackaday.com/2025/01/15/floss-weekly-episode-816-open-source-ai/
A Game Boy Speedometer, Just Because You Can
?w=800" alt="Game boy with custom cartridge mounted on car dashboard"/>From a practical standpoint, [John] may be correct that his recent creation is the “world’s worst digital dash”, but we’re still oddly enamored with the idea of using a Nintendo https://hackaday.com/2025/01/15/a-gameboy-speedometer-just-because-you-can/
https://hackaday.com/2025/01/15/a-gameboy-speedometer-just-because-you-can/
No Ham License? Listen Anyway in Your Browser
?w=800" alt=""/>Full disclosure. Ham radio isn’t for everyone and there are many different facets to it. What appeals to one person might bore another to death. One area of ham radio https://hackaday.com/2025/01/15/no-ham-license-listen-anyway-in-your-browser/
https://hackaday.com/2025/01/15/no-ham-license-listen-anyway-in-your-browser/
Nice PDF, But Can It Run DOOM? Yup!
?w=591" alt=""/>DOOM is a classic game to implement on a variety of platforms, but doompdf by [ading2210] is one we didn’t see coming. It runs a bit slow and controls are https://hackaday.com/2025/01/15/nice-pdf-but-can-it-run-doom-yup/
https://hackaday.com/2025/01/15/nice-pdf-but-can-it-run-doom-yup/
Repairing a Real (and Broken) Apollo-era DSKY
?w=800" alt=""/>The Display/Keyboard unit – DSKY for short – is the primary way that Apollo-era astronauts communicated with the onboard computers. Not all DSKYs ended up in space, however, with the https://hackaday.com/2025/01/14/repairing-a-real-and-broken-apollo-era-dsky/
https://hackaday.com/2025/01/14/repairing-a-real-and-broken-apollo-era-dsky/