Pin Configurations
Port Number
Bit 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7
Connections DC MOTOR #1 – EN DC MOTOR #1 – INPUT A DC MOTOR #1 – INPUT B DC MOTOR #2 – INPUT A DC MOTOR #2 – INPUT B DC MOTOR #2 – EN RED LED / SERVO MOTOR 1 GREEN LED / SERVO MOTOR 2 SENSOR # 2 SENSOR # 4 SENSOR # 1 SENSOR # 3 SENSOR # 5 SENSOR # 7 SENSOR # 6 SENSOR # 8 STEPPER # 1 , COIL -1 STEPPER # 1 , COIL -2 STEPPER # 1 , COIL -3 STEPPER # 1 , COIL -4 STEPPER # 2 , COIL -1 STEPPER # 2 , COIL -2 STEPPER # 2 , COIL -3 STEPPER # 2 , COIL -4 NO CONNECTION – EXPANSION NO CONNECTION – EXPANSION NO CONNECTION – EXPANSION NO CONNECTION – EXPANSION NO CONNECTION – EXPANSION NO CONNECTION – EXPANSION NO CONNECTION – EXPANSION NO CONNECTION – EXPANSION