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GitHub - hamzab70/Raspberry-Pi-Fan-Script: Simple Bash script to control the fan speed using the Rapsberry Pi GPIO and a transistor.
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Raspberry Pi Fan Intelligent Temperature Control Programmable Fan Olcd Display Expension Board For Raspberry Pi 4 Model B 3b+ 3b - Demo Board Accessories - AliExpress
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Amazon.com: GeeekPi 2PCS Raspberry Pi 4 PWM Controllable Fan, Raspberry Pi PWM Speed Adjustment Fan 40x40x10mm, Raspberry Pi Speed Control Fan DC 5V 4010 Quiet Fan for Raspberry Pi 4, 3 B+,
![PWM Regulated Fan Based on CPU Temperature for Raspberry Pi : 4 Steps (with Pictures) - Instructables PWM Regulated Fan Based on CPU Temperature for Raspberry Pi : 4 Steps (with Pictures) - Instructables](https://content.instructables.com/F8X/RW5C/JCAUBH8T/F8XRW5CJCAUBH8T.jpg?auto=webp)
PWM Regulated Fan Based on CPU Temperature for Raspberry Pi : 4 Steps (with Pictures) - Instructables
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