Does anybody have an AT keyboard to parallel converter? We are looking for a way to replace old Microswitch Hall-effect keyboards with parallel strobed ttl level output. The keyboards are used on old STD based z80 computers still in use. Maybe someone has developed this already and has it available. Next choice would be a microcontroller board with AT keyboard plug and some parallel I/O that I could customize. Have 5 volts available on the ribbon cable. Need basic ASCII keys. 7 data lines, parity line too.