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AJMRTC I2C motor driver HAT is specially designed for Raspberry Pi. It uses PCA9685 to generate PWM signals and TB6612FNG dual H-bridge to drive two DC motors. The I2C bus reduces GPIO occupation. You can adjust motor speed and rotation direction separately for each channel. The independent motor power input protects your Raspberry Pi mainboard from high current impact. It connects directly to the 40PIN GPIO header. Demo codes and tutorials are provided for fast development. Great for robot car prototypes and embedded motion control projects.