Voltage - 5v logic supply and 5v - 50v for the motor
Current - 50mA Max for logic and up to 5A for each motor
Control 1
          - 2 independent channels of:
          0v - 2.5v - 5v Analogue for Reverse - Stop - Forward
Control 2
          - 0v - 2.5v - 5v Analogue for Reverse - Stop - Forward
          with second channel for steering.
Control 3
          - RC Mode - Controlled by standard Radio Control system. Direct connection to RC receiver. (1mS - 2mS pulse with 1.5mS center off).
Control 4
          - RC Mode - with the first channel controlling the speed and second channel for steering.
Control 5
          - I2C Interface, full direct control. Up to 8 modules on bus. Two modes of operation, direct control of motors or the ability to send a speed and a turn command.