1Based on Raspberry Pi interface design, suitable for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+. 2Using I2C interface control, this driver can connect up to 32 modules by changing 5 address jumpers. 3Onboard PCA9685 chip, can output 12-bit hardware to PWM control motor speed. 4Onboard TB6612FNG double H-bridge motor drive chip, work efficiently, not easy to heat. 5Reserve the I2C control interface to facilitate the connection with other main control boards. This is a motor driver board specially designed for Raspberry Pi. Using I2C interface control, this module can drive 2 way DC motors at the same time. A good choice for DIY smart car.Features: 1.Based on Raspberry Pi interface design, suitable for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+.2.Using I2C interface control, this driver can connect up to 32 modules by changing 5 address jumpers.3.Onboard PCA9685 chip, can output 12-bit hardware to PWM control motor speed.4.Onboard TB6612FNG double H-bridge motor drive chip, work efficiently, not easy to heat.5.Reserve the I2C control interface to facilitate the connection with other main control boards.6.Onboard 5V voltage regulator chip, output up to 3A current.7.This driver can be powered by connecting the VIN terminal to the battery.Specification:Supply voltage: 6V-12V (VIN terminal)Logic voltage: 3.3VMax output current: 3APWM drive chip: PCA9685Control interface: I2CMotor drive chip: TB6612FNGWeight: Approx. 26gPackage list:1 * Motor Driver Board1 * Set of Screws