Smart Cooling Hat For Raspberry Pi 4B SF_Power Charger starting at 4850MHz and up

starting at 4850MHz and up to 6100MHz

Audio part of the A/V jack is the same

This shield can be directly mounted onto standard Arduino Uno R3 and Arduino Mega

* 1x SM-S3317S Full Rotation Servo

Smart Cooling Hat For Raspberry Pi 4B SF_Power Charger starting at 4850MHz and upThis is a multi function cooling expansion board specifically designed for Raspberry Pi . It provides full compatibility with Raspberry Pi 4B 3B+ 3B to protect the Raspberry Pi board and extends its lifespan. There is a large size cooling fan on the board with strong wind power that can make Raspberry Pi run more stably by automatically adjusting its speed according to the CPU temperature. Three high brightness RGB programming LEDs on the bottom of