1, the MOSFET high current (50A) H bridge driver; 2, with the microcontroller PWM signal isolation, microcontroller effective protection; 3, to achieve the motor forward reverse, two PWM input 200kHZ highest frequency; 4,3.3V to 12V power average use, fully compatible; 5, the power supply voltage of 5V to 15V; 6, the power indicator schematically clear.