Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards; I2C controlled, by setting 5 address jumpers, it is stackable up to 32 this modules; Reserved I2C control pins, allows to work with other control boards; Onboard PCA9685 chip, provides 12-bit hardware PWM to adjust motor speed; Onboard TB6612FNG dual H-bridge motor driver, high efficiency, low heating; Integrates 5V regulator, up to 3A output current, can be powered from battery through VIN terminal; Comes with development resources and manual (examples in BCM2835, wiringPi, and
python): www. waveshare. com/wiki/Motor_Driver_HAT