The Motor Driver HAT is designed for , controlled via I2C interface, will drive two DC motors at the same time. It's a perfect choice for you to DIY mobile robots.Standard 40PIN GPIO extension header, supports series boardsI2C controlled, by setting 5 address jumpers, it is stackable up to 32 this modulesOnboard PCA9685 chip, provides 12-bit hardware PWM to adjust motor speed. Onboard TB6612FNG H-bridge motor driver, high efficiency, low heatingIntegrates 5V regulator, up to 3A output current, can be powered from battery through VIN terminal. Reserved I2C control pins, allows to work with other control boards supply: 6V~12V (VIN terminal)Logic voltage: 3.3VPWM driver: PCA9685Control interface: I2CMotor driver: TB6612FNGMounting hole size: 3.0mmcolor:BlueMaterial:PCBsize:65mm x 30mmPackage Contents:1 x Motor Driver HAT1 x RPi screws pack (2pcs)Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.