If you’re at all interested in segmented displays Posy’s YouTube video about them is pure gold: https://youtu.be/RTB5XhjbgZA
This rare 22-segment display is the most interesting I've seen so far. It can display the full 7-bit ASCII range including special characters: https://www.youtube.com/watch?v=D2cyZoCat_U
This rare 22-segment display is the most interesting I've seen so far. It can display the full 7-bit ASCII range including special characters: https://www.youtube.com/watch?v=D2cyZoCat_U