DFRobot IO Expansion HAT for Raspberry Pi 5 / 4B / 3B+

This IO Expansion HAT from DFRobot is the perfect companion for your Raspberry Pi 5, Raspberry Pi 4B, and Raspberry Pi 3B+! It leads out all of the IO ports on Raspberry Pi including digital port, analog port, PWM, I2C, UART, SPI, and IIS. Besides that, the HAT is totally compatible with DFRobot Gravity Series, which frees users from complicated connection work and enables them to just concentrate on their project building.

Features:

1. Sensor and module with 5V power supply and 3.3V level
2. PWM external power supply (6~12V)
3. Controlling multiple servos