Features 1、The driver uses the BTS7960 chip, which consists of a high-power drive full H-bridge driver module with thermal overcurrent protection. 2、The dual BTS7960 H-bridge driver circuit has powerful driving and braking functions, effectively isolating the microcontroller and motor driver and high current 43A. 3、This product can realize forward and reverse rotation of the motor, and the two PWM inputs have a maximum frequency of 25kHZ. 4、5V isolation from the single chip can effectively protect the single chip. 5、The product is featured with stable performance and long service life. Specification Item Type: Motor drive module Feature: Double BTS7960 high current (43 A) H-bridge driver; 5V is isolated from MCU to effectively protect MCU; Onboard 5V power indicator; The radiator can be welded; PIN Definition: 1. RPWM: Turn right to PWM 2. LPWM: Turn left PWM 3. R_EN: Turn right to enable (active high) 4. L_EN: Enable left turn (active high) 5. R_IS: Right turn current warning (may float) 6. L_IS: Left-turn current warning (may float) 7. VCC: (5V) 8. GND Connection Method: Method 1: VCC: 5V from single chip microcomputer (MCU) GND: GND of the microcontroller (MCU) L_PWM: PWM or 5V from the microcontroller (MCU) for CCW (CW) turns R_PWM: PWM or 5V from microcontroller (MCU) for CW (CCW) turns R_EN and L_EN: 5V from the microcontroller (MCU) Method 2: VCC: 5V from single chip microcomputer (MCU) GND: GND of the microcontroller (MCU) L_PWM: 5V from the microcontroller (MCU) for CCW (CW) turns R_PWM: 5V from the microcontroller (MCU) for CW (CCW) turns R_EN and L_EN: PWM from microcontroller (MCU) Merely four wires (GND. 5V. PWM1. PWM2) are needed from the MCU to the driver module; Isolation chip 5 V power supply (can be shared with MCU 5 V); Can make the motor rotate forward, two PWM input frequencies up to 25kHZ; Two heat flows through an error signal output; Isolation chip 5V power supply (can be shared with MCU 5V), you can also use the onboard 5V power supply; Package List 1 x Motor Drive Module