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Homeroasters.org » ALL ABOUT ROASTERS » Popcorn Popper roasting
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So silly question for the fan... why not a use a 24v 5A power supply
starbuxed
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 07:34
 
Wiz Kalita
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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