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Quick Hack: Converting a computer fan from thermostatic to PWM control | Rip It Apart - Jason's electronics blog-thingy
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arduino - Proper configuration of a PWM fan which should be stopped when the controller power is cut off - Electrical Engineering Stack Exchange
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Aquacomputer OCTO Lüftersteuerung für PWM-Lüfter | Controllers | Air cooling | Aquatuning United Kingdom
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buck - PWM FAN controller & Ideal 24V DC to DC 5V Converter just to feed 556 IC - Electrical Engineering Stack Exchange
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PWM Temperature Controller, DC 12V Fan Controller 4-Wire Temperature Fan Speed Controller Governor for PC Fan/Alarm STK IC : Amazon.co.uk: Business, Industry & Science
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