“Dropped idle temps more than 15 degrees and was able to overclock the pi to 2 ghz using this with no problems. Works great in conjunction with the Pibow Coupe 4. Highly recommended!”
Ahoy! There's a detailed tutorial here: https://learn.pimoroni.com/tutorial/sandyj/getting-started-with-fan-shim , drop us a line at support@pimoroni.com if you need any more help :)
“It's a pretty neat little fan. The LED is very very bright. I might use this in the Raspberry Pi 4 case from the RPi project and cut some holes in the top cover so it can suck in air.”
“Such a small and useful device. My pi is behind a piano on the floor, so if it makes any noise, I can't ever hear it. I notice significant cooling with this fan on the Pi, than I did without it so as far as I'm concerned, this is exactly what I needed.”