Double BTS7960 43A H-Bridge High-Power Motor Driver Module Diy Smart Car Current Diagnostic for ArduinoSpecification:Double BTS7960 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;can 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 27VPackage Included:1 x Double BTS7960B 43A Motor Driver High-power Module