free a HW-PWM pin
tested motor control
schematic for breaking out the shift registers for SW-PWM of leds and HW-PWM for motor
added the darlington and pin-headers for outputs
bring 12V in trhough this board, use 4 wires to pass the 12V to the arduino and 5V back
tested that the new board with daisy-chained 595s works
these got switched around
reminders