Notes concerning “Keyboards”
Trellis-coded buttons to run a whole keyboard off two microcontroller pins
2013-05-17 (updated 2013-05-20) (19 minutes)
Keyboard-powered computers
2014-10-25 (updated 2018-10-28) (27 minutes)
Coinductive keyboard
2016-07-30 (4 minutes)
Quasimode keyboard
2018-07-14 (24 minutes)