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Amazon.com: GeeekPi 2pcs Raspberry Pi 4 Quiet Fan, Raspberry Pi Cooling Fan 40x40x10mm 4010 Fan DC 5V 3.3V Brushless CPU Cooling Fan Cooler Radiator for Raspberry Pi 4 Model B, Raspberry Pi
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How to install a fan onto a Raspberry Pi and make it run dynamically | by Mitesh Parmar | CodeX | Medium
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