M5Stack_Servo_Driver PCA9685 Servo Driver Shield for M5Stack Schematics Servo Driver: PCA9685 (NXP Semiconductors) Datasheet Arduino IDE Library (Adafruit-PWM-Servo-Driver) Adafruit-PWM-Servo-Driver Change I2C address to 0x72 Example M5Stack_Plotclock https://github.com/tomorrow56/M5Stack_Plotclock Support https://thousandiy.wordpress.com/2018/10/20/servo-driver-shield-for-m5stack/