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Amazon.com: GeeekPi 2PCS PWM Controllable Fan for Raspberry Pi, Speed Adjustment Fan 40x40x10mm for Raspberry Pi, Speed Control Fan DC 5V 4010 Quiet Fan for Raspberry Pi 4, 3 B+, Pi 3 (Black) : Electronics
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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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