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README.md

PS/2 Keyboard to TTL Serial Adapter Scott Baker, smbaker@gmail.com

This program implements a receiver for a PS/2 keyboard, decodes the scan keys, and sends them out as a serial stream. The purpose (or at least my purpose) was to connect a PS/2 keyboard to a retrocomputer that featured only a TTL serial input.

This is based almost entirely on other peoples' work, see the attribution section below. I found a PS/2 keyboard library and a soft-uart library and hooked them together.

Pin Assignments: PB0 - PS/2 data PB1 - PS/2 CLK PB2 - Serial Out

Attribution: ATTiny85 UART Library The Garage Lab https://github.com/thegaragelab/tinytemplate Creative Commons Attribution-ShareAlike 4.0 International License (http://creativecommons.org/licenses/by-sa/4.0/)

PS/2 Keyboard Library Interrupts: Interfacing a Microcontroller with a PS/2 Keyboard http://www.nerdkits.com/videos/interrupts_and_ps2_keyboard/

License: Creative Commons Attribution-ShareAlike 4.0 International License (http://creativecommons.org/licenses/by-sa/4.0/)