Description :

•  IO Expansion HAT for Raspberry Pi 4B and Raspberry Pi 3B
• Leads out all of the IO ports on Raspberry Pi including digital port, analog port, PWM, I2C, UART, SPI, and IIS
• Compatible with DFRobot Gravity Series frees users from complicated connection work
• Supports sensor and module of 3.3V power supply, 5V power supply, and 3.3V level, PWM external power supply (6~12V) and controlling multiple servos
• Operating Voltage: 5V
• PWM Port External Power: 6-12V
• Sensor Interface External Power: 3.3V
• Dimension: 65*56 mm/2.56*2.20