Product description Multi-function Cooling Expansion Board designed for the Raspberry Pi Features: 1. It is perfectly compatible with for Raspberry Pi 4B/3B+/3B and extends its life. It will not occupy any Raspberry Pi pin, not occupy heat sink space. 2. The large-size cooling fan on the board with strong wind power, it can make Raspberry Pi can run more stably by automatically adjust the speed according to the CPU temperature. 4. 3 high-brightness RGB programming lights on the bottom of the expansion board, which can realize following lights, breathing lights, marquees and so on. 5. It also expands Raspberry Pi 40pin header and can be used to connect to other devices. We will provide a driver package for all Raspberry Pi images, which is convenient for users to drive fans, OLED displays, RGB lights.
