RT @maplesbian@twitter.com

Canon Typestar 10-II electronic typewriter main board. CPU is a Renesas 3806-family, directly controlling keyboard matrix, LCD display, paper feeding and indirectly controlling printing head. i wanted to make it into a serial printer by emulating the keyboard matrix but no luck

🐦🔗: https://twitter.com/maplesbian/status/1381384974486679554