Size comparison of a 27 in CRT TV next to a 43 in CRT TV.
" data-image-caption="Size comparison of a 27 in CRT TV next to a 43 in CRT TV.
" data-medium-file="https://hackaday.com/wp-content/uploads/2024/12/Largest-CRT-Thumbnail.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/12/Largest-CRT-Thumbnail.png?w=800">To celebrate the twentieth anniversary of their Trinitron line of televisions, Sony launched the KX-45ED1. At forty three inches the screen on this particular model made it the largest tube …read more (https://hackaday.com/2024/12/24/retrotechtacular-quest-for-the-big-boy-crt-finds-new-home-in-mini-doc/)

The Mystery of the Messed-Up Hammond X5
https://hackaday.com/2024/12/24/the-mystery-of-the-messed-up-hammond-x5/

[Filip] got his hands on a sweet old Hammond X5 organ, but it had one crucial problem: only half of the keys worked. Each and every C#, D, D#, E, …read more (https://hackaday.com/2024/12/24/the-mystery-of-the-messed-up-hammond-x5/)

Keeping Track of Old Computer Manuals with the Manx Catalog
https://hackaday.com/2024/12/24/keeping-track-of-old-computer-manuals-with-the-manx-catalog/

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/