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PWM Regulated Fan Based on CPU Temperature for Raspberry Pi : 4 Steps (with Pictures) - Instructables
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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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Adjustable Fan Automatic Shutdown 5V Extreme Quite 3 Pin PWM Heat Sink Mini Cooling Fan Colorful For All Mode Raspberry Pi - AliExpress
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