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So silly question for the fan... why not a use a 24v 5A power supply
starbuxed
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Posted on 09/13/2018 12:25 PM
So why don't we use an LED 12v or 24v power supply to power the fan? Am I missing something? You could use a voltage regulator to regulate speed. And it seems safer over all.

Am I missing something?
Edited by starbuxed on 09/13/2018 12:34 PM
 
Wiz Kalita
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Posted on 09/14/2018 9:51 AM
Sure, you can do that. The most common way to control a DC motor is PWM, which I believe is what an LED controller does. If you want to control the voltage with a resistor you may get problems with heating of the controller. I burned out a potentiometer that way.
 
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