- Cat nail clippers with LED lightsDFRobot Gravity IO Expansion HAT for Raspberry Pi 4B/3B+

• DFRobot Gravity IO Expansion HAT
• Is the perfect companion for your Raspberry Pi 4B/3B+
• Lets you control multiple servos
• Uses PWM external power supply (6~12 V)
• Works with 5V power supply and 3.3 V level

The DFRobot Gravity IO Expansion HAT for Raspberry Pi 4B/3B+ is is the perfect companion for your Raspberry Pi 4B/3B+! It leads out all of the IO ports on Raspberry Pi including digital port, analog port, PWM, IIC, 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 projects building.