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REES52 DC 12V 5A PWM PC Fan Temperature Manumotive Speed Controller Module CPU High-Temp Alarm Buzz Board for Compatible with Arduino Heat Sink : Amazon.in: Industrial & Scientific
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PC Fan controlled with Arduino nano doesn't shut down - Motors, Mechanics, Power and CNC - Arduino Forum
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Driving a PC fan - transistor with or without an optocoupler? - Motors, Mechanics, Power and CNC - Arduino Forum
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