How to Interface a Microcontroller to a PS/2 Keyboard
Interacting with your project can be as simple as hooking up an IO pin to a button but if you need greater capability it might be time for a keyboard. In this tutorial Chris from PyroElectro demonstrates how to connect a PIC microcontroller to a PS/2 keyboard. One issue these days is finding a PS/2 keyboard, thankfully before USB came around they were a standard for a long time so