Split flap displays! They’re mechanical, clickety-clackity, and largely commercially irrelevant in our screen-obsessed age. That doesn’t mean you can’t have a ball making one of your own, though! [Morgan Manly] …read more (https://hackaday.com/2025/02/20/3d-print-yourself-a-split-flap-display/)

Acoustic Engine Harnesses the Power of Sound
https://hackaday.com/2025/02/21/acoustic-engine-harnesses-the-power-of-sound/

If you think sonic booms from supersonic aircraft are a nuisance, wait until the sky is full of planes propelled by up-scaled versions of this interesting but deafening audio resonance …read more (https://hackaday.com/2025/02/21/acoustic-engine-harnesses-the-power-of-sound/)

A New 8-bit CPU for C
https://hackaday.com/2025/02/21/a-new-8-bit-cpu-for-c/

It is easy to port C compilers to architectures that look like old minicomputers or bigger CPUs. However, as the authors of the Small Device C Compiler (SDCC) found, pushing …read more (https://hackaday.com/2025/02/21/a-new-8-bit-cpu-for-c/)

This Week in Security: OpenSSH, JumbledPath, and RANsacked
https://hackaday.com/2025/02/21/this-week-in-security-openssh-jumbledpath-and-ransacked/

OpenSSH has a newly fixed pair of vulnerabilities, and while neither of them are lighting the Internet on fire, these are each fairly important. The central observation made by the …read more (https://hackaday.com/2025/02/21/this-week-in-security-openssh-jumbledpath-and-ransacked/)

Building a One Wheel With Tracks
https://hackaday.com/2025/02/21/building-a-one-wheel-with-tracks/

One-wheels use motion-tracking hardware and fine motor control to let you balance on a single wheel. That’s neat and all, but [Michael Rechtin] had another idea in mind—what if a …read more (https://hackaday.com/2025/02/21/building-a-one-wheel-with-tracks/)

Hackaday Podcast Episode 309: Seeing WiFi, A World Without USB, Linux in NES in Animal Crossing
https://hackaday.com/2025/02/21/hackaday-podcast-episode-309-seeing-wifi-a-world-without-usb-linux-in-nes-in-animal-crossing/

This week Hackaday Editors Elliot Williams and Tom Nardi start things off with updates on the rapidly approaching Hackaday Europe and the saga of everyone’s favorite 3D printed boat. From …read more (https://hackaday.com/2025/02/21/hackaday-podcast-episode-309-seeing-wifi-a-world-without-usb-linux-in-nes-in-animal-crossing/)

Pocket Device Tracks Planets And The ISS
https://hackaday.com/2025/02/21/pocket-device-tracks-planets-and-the-iss/

Ever been at a party and landed in a heated argument about exactly where the International Space Station (ISS) is passing over at that very instant? Me neither, but it’s …read more (https://hackaday.com/2025/02/21/pocket-device-tracks-planets-and-the-iss/)