How a Key Matrix Work
Created on 2021-01-22T06:40:20-06:00
Keyboards get away with more switches than pins on the CPU by using a matrix.
Columns are pulsed from chip outputs and rows are read on input chips; the outputs cycle through pins.
Created on 2021-01-22T06:40:20-06:00
Keyboards get away with more switches than pins on the CPU by using a matrix.
Columns are pulsed from chip outputs and rows are read on input chips; the outputs cycle through pins.