An unfortunate reality of pre-1990s computer systems is that any manuals and documentation that came with them likely only existed on paper. That’s not to say there aren’t scanned-in (PDF) …read more (https://hackaday.com/2024/12/24/keeping-track-of-old-computer-manuals-with-the-manx-catalog/)

A Twenty-Segment Display, Artistically
https://hackaday.com/2024/12/24/a-twenty-segment-display-artistically/

We all know and love the humble seven-segment display, right? And if you want to make characters as well as numbers, you can do an okay job with sixteen segments …read more (https://hackaday.com/2024/12/24/a-twenty-segment-display-artistically/)

Holiday Jukebox Gets ESP32, Home Assistant Support
https://hackaday.com/2024/12/24/holiday-jukebox-gets-esp32-home-assistant-support/

If we’ve learned anything over the years, it’s that the only thing hardware hackers love more than a device festooned with buttons is one that’s covered in LEDs — so …read more (https://hackaday.com/2024/12/24/holiday-jukebox-gets-esp32-home-assistant-support/)

Pi’s Evil Twin Goes for Infinity
https://hackaday.com/2024/12/24/pis-evil-twin-goes-for-infinity/

Most people know about the numerical constant pi (or π, if you prefer). But did you know that pi has an evil twin represented by the symbol ϖ? As [John …read more (https://hackaday.com/2024/12/24/pis-evil-twin-goes-for-infinity/)

Going Digital: Teaching a TI-84 Handwriting Recognition
https://hackaday.com/2024/12/24/going-digital-teaching-a-ti-84-handwriting-recognition/

You wouldn’t typically associate graphing calculators with artificial intelligence, but hacker [KermMartian] recently made it happen. The innovative project involved running a neural network directly on a TI-84 Plus CE …read more (https://hackaday.com/2024/12/24/going-digital-teaching-a-ti-84-handwriting-recognition/)

Break Me Off a Piece of That Open Source Serial Adapter
https://hackaday.com/2024/12/25/break-me-off-a-piece-of-that-open-source-serial-adapter/

We know, you’ve already got a USB to serial adapter. Probably several of them, in fact. But that doesn’t mean you couldn’t use one more — especially when it’s as …read more (https://hackaday.com/2024/12/25/break-me-off-a-piece-of-that-open-source-serial-adapter/)

Open Source Multimeter Raises the Bar for DIY Tools
https://hackaday.com/2024/12/25/open-source-multimeter-raises-the-bar-for-diy-tools/

Whether you only dabble in electronics as a hobby or it’s your full-time job, there are few tools as indispensable as the multimeter. In fact, we’d be willing to bet …read more (https://hackaday.com/2024/12/25/open-source-multimeter-raises-the-bar-for-diy-tools/)

Esperanto: The Language That Hoped to Unite the World
https://hackaday.com/2024/12/25/esperanto-the-language-that-hoped-to-unite-the-world/