Retrotechtacular: IBM’s The World of OCR
https://hackaday.com/2025/12/26/retrotechtacular-ibms-the-world-of-ocr/

Optical Character Recognition (OCR) forms the bridge between the analog world of paper and the world of machines. The modern-day expectation is that when we point a smartphone camera at …read more (https://hackaday.com/2025/12/26/retrotechtacular-ibms-the-world-of-ocr/)

Pocket-sized Test Pattern Generator Helps Check those CRTs
https://hackaday.com/2025/12/26/pocket-sized-test-pattern-generator-helps-check-those-crts/

[Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test patterns in PAL/NTSC. If one is checking out old …read more (https://hackaday.com/2025/12/26/pocket-sized-test-pattern-generator-helps-check-those-crts/)