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NewBean
06/12/2019 3:57 PM
Just waiting on my TC4 shipment then it's roasting time

snwcmpr
06/03/2019 11:37 AM
I rarely purchase roasted coffee. I just ordered 4 bags from Mountain Air Roaster.

tm97
05/30/2019 12:34 PM
Hi, I use a wok with a glass lid for roasting. shaking the wok is a good exercise, actually.

NetriX
05/29/2019 9:08 PM
morning

snwcmpr
05/27/2019 1:56 AM
Kenya Nyeri Katogoto

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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 6:34 AM
 
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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