Spefikasi BTS7960B / BTN7960H-bridge 43A : Double BTS7960 / BTN7960H large current (43 A) H bridge driver; 5V isolate with MCU, and effectively protect MCU; 5V power indicator on board; voltage indication of motor driver output end; solder heat sink; Just need four lines from MCU to driver module (GND. 5V. PWM1. PWM2); isolation chip 5 V power supply (can share with MCU 5 V); size: 4 * 5 * 1.2 cm; Able to reverse the motor forward, two PWM input frequency up to 25kHZ; two heat flow passing through an error signal output; isolated chip 5V power supply (can be shared with the MCU 5V), can also use the on-board 5V supply; the supply voltage 5.5V to 27V;