![Amazon.com: GeeekPi Fan Hat for Raspberry Pi 4 Model B, Raspberry Pi PWM Fan GPIO Expansion Board with 0.91inch OLED Display for Raspberry Pi 4B/3B+/3B/2B : Electronics Amazon.com: GeeekPi Fan Hat for Raspberry Pi 4 Model B, Raspberry Pi PWM Fan GPIO Expansion Board with 0.91inch OLED Display for Raspberry Pi 4B/3B+/3B/2B : Electronics](https://images-na.ssl-images-amazon.com/images/I/61u-31cTaXL._AC_UL600_SR600,600_.jpg)
Amazon.com: GeeekPi Fan Hat for Raspberry Pi 4 Model B, Raspberry Pi PWM Fan GPIO Expansion Board with 0.91inch OLED Display for Raspberry Pi 4B/3B+/3B/2B : Electronics
![Raspberry Pi fan pins (easy cooling solution) — PiCockpit | Monitor and Control your Raspberry Pi: free for up to 5 Pis! Raspberry Pi fan pins (easy cooling solution) — PiCockpit | Monitor and Control your Raspberry Pi: free for up to 5 Pis!](https://picockpit.com/raspberry-pi/wp-content/uploads/2022/06/raspberry-pi-fan-pins.jpg)
Raspberry Pi fan pins (easy cooling solution) — PiCockpit | Monitor and Control your Raspberry Pi: free for up to 5 Pis!
![Raspberry Pi fan pins (easy cooling solution) — PiCockpit | Monitor and Control your Raspberry Pi: free for up to 5 Pis! Raspberry Pi fan pins (easy cooling solution) — PiCockpit | Monitor and Control your Raspberry Pi: free for up to 5 Pis!](https://picockpit.com/raspberry-pi/wp-content/uploads/2022/06/20220616_115808-1000px.jpg)
Raspberry Pi fan pins (easy cooling solution) — PiCockpit | Monitor and Control your Raspberry Pi: free for up to 5 Pis!
![GitHub - hamzab70/Raspberry-Pi-Fan-Script: Simple Bash script to control the fan speed using the Rapsberry Pi GPIO and a transistor. GitHub - hamzab70/Raspberry-Pi-Fan-Script: Simple Bash script to control the fan speed using the Rapsberry Pi GPIO and a transistor.](https://raw.githubusercontent.com/hamzab70/Raspberry-Pi-Fan-Script/master/Electrical-Scheme.png)