A weblog focused on interesting circuits, ideas, schematics and other information about microelectronics and microcontrollers.
C64 USB keyboard
11. February 2009 - 14:21 — admin
How to connect an old C64 keyboard to the PC via USB - just for curiosity and skills.
This circuit is based onfirmware ( ). The heart of the USB interface is ATMega8 AVR microcontroller with some passives around, the keyboard is taken from an old Commodore C64.