Stepper Motor Servo Expansion Board, Compatible with 3B/3B+, I2C Interface

Features: 1. Single power supply, working voltage range 5V~12V 2. Complete data input/output via I2C bus 3. I2C interface compatible with 5V level, works with other development boards 4. I2C interface can connect various sensors to expand applications 5. 4 address pins, up to 16 expansion boards can be used simultaneously 6. Supports 16 PWM channel outputs to control 16 servos or LED lights 7. 12-bit resolution, adjustable PWM frequency up to 1.6KHz, configurable push-pull or open-drain output 8. 4-way servo interface, 3P standard interface for servo and LED connection 9. Supports 2-channel 6V~12V stepper motors, 4-channel 6V~12V reduction motors 10. Infrared receiving function for convenient control Product Details: Full-featured robot expansion board, stackable to expand control interfaces, suitable for DIY robots, smart cars, robotic arms, etc. Specifications: Working voltage:5V~12V, Interface:I2C, Servo interfaces:4, Motor interfaces:4, Stepper motor interfaces:2