Reference: RBD-1635
Dual Channel Motor Driver Shield For Arduino
Logic control, 5V from Arduino main board Polarity protection for External motor power input 2 fast test buttons for each motor channel Motor Driven Voltage:6.5 to 12VDC(VIN Power Supply), 5.0 to 26VDC (External Power Source) Up to 2A current each channel Pin 4, 5,6,7 are used to drive two DC motor Support PWM speed control Support advance speed control