If you’ve never used a PDP-11 before it’s probably because you simply weren’t around in the 70s and 80s. Although they started as expensive machines only in research labs and …read more (https://hackaday.com/2025/08/30/fpga-brings-unix-v1-to-the-dec-j-11/)

Open Source Interactive Wallpapers for Windows
https://hackaday.com/2025/08/30/open-source-interactive-wallpapers-for-windows/

It’s late at night, and you’re avoiding work that was supposed to be done yesterday. You could open an application on your desktop to keep your attention, or what about …read more (https://hackaday.com/2025/08/30/open-source-interactive-wallpapers-for-windows/)

Building a Shifting Ratchet Wrench
https://hackaday.com/2025/08/30/building-a-shifting-ratchet-wrench/

Convenient though they may be, [Trevor Faber] found some serious shortcomings in shifting spanners: their worm gears are slow to adjust and prone to jamming, they don’t apply even force …read more (https://hackaday.com/2025/08/30/building-a-shifting-ratchet-wrench/)

Silent No More: Open-Source Fix for Mic Mishaps
https://hackaday.com/2025/08/30/silent-no-more-open-source-fix-for-mic-mishaps/

“Sorry, my mic was muted…” With the rise of video calls, we’ve all found ourselves rushing to mute or unmute our mics in the midst of a call. This open-source …read more (https://hackaday.com/2025/08/30/silent-no-more-open-source-fix-for-mic-mishaps/)

Does it Make Sense to Upgrade a Prusa Mark 4S to a Core One?
https://hackaday.com/2025/08/30/does-it-make-sense-to-upgrade-a-prusa-mark-4s-to-a-core-one/

One of the interesting things about Prusa’s FDM 3D printers is the availability of official upgrade kits, which allow you to combine bits off an older machine with those of …read more (https://hackaday.com/2025/08/30/does-it-make-sense-to-upgrade-a-prusa-mark-4s-to-a-core-one/)

The Queramin is a QWERTY Theremin with a C-64 Heart
https://hackaday.com/2025/08/30/the-queramin-is-a-qwerty-theremin-with-a-c-64-heart/

While we have nothing against other 1980s 8-bit machines, the Commodore 64 has always been something special. A case in point: another new instrument using the C-64 and its beloved …read more (https://hackaday.com/2025/08/30/the-queramin-is-a-qwerty-theremin-with-a-c-64-heart/)

The Latest Projects from Cornell’s ECE 4760/5730
https://hackaday.com/2025/08/30/the-latest-projects-from-cornells-ece-4760-5730/

ECE 4760/5730 is the Digital Systems Design Using Microcontrollers course at Cornell University taught by [Hunter Adams]. The list of projects for spring this year includes forty write-ups — if …read more (https://hackaday.com/2025/08/30/the-latest-projects-from-cornells-ece-4760-5730/)

This Soviet-Style Clock Uses Homemade Nixie Tubes and Glowing Logic
https://hackaday.com/2025/08/31/this-soviet-style-clock-uses-homemade-nixie-tubes-and-glowing-logic/