The Button Matrix Driver: Implements the low-level functions used to initialize the button matrix variables and pins. It also reads the buttons' states. The TCA0 Interrupt Routine: Periodically ...

2x2_Button_Matrix NB: I found a bug where the schematic I was using for the button was wrong, so, don't get this one yet. As part of an ongoing project I'm not yet ready to release on here, I was ...