Variable Speed Cooling Fan for Raspberry Pi #piday #raspberrypi @Raspberry_Pi

From Andreas Spiess on YouTube:

In this video, we will build a variable speed fan for a Raspberry Pi. It measures the CPU temperature and adjusts its speed automatically to keep the temperature constant. We also will learn a few things about Pulse Width Modulation (PWM), PID controllers, MOSFET transistors, and even a little bit of magic.

Corrected: The original video is from Andreas Spiess and not Vadim Shcherbin. Thanks to @cascade from Adafruit Discord chat for the heads up.

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