Update to new board sku and add CAN connection

Add input protection

one last wire aesthetic I saw because I have OCD

Standardizing wiring and fixed a pin bug

Merge branch 'master' of https://git.cadlab.io/Solar-Car-at-UVa/Motor

Add digital pot logic and connections

Adding updated readme with documentation for the addressing of the throttle and regen digital pots.

Add digital pot schematic

Expose pins, add main switch control, organize

Add second transciever and beginnings of switching circuitry