I have an AC motor controller that is controlled using a potentiometer. Im trying to figure out an easy way to control this with an arduino. Any suggestions? (Pics of circuit board and components included below
So you are wanting to connect your Arduino directly to your AC hose wiring? Not a very reasonable approach to a project.
No sir. Im wanting to use the arduino to control the controller in the photo. Ive tried using an arduino with ssr module, but it overheated the fan. So since i know this fan control works flawlessly, id like to try to make it controllable with an arduino so the fan can adjust based on ambient temperature. If nothing else i'll just hook a stepper motor up to turn the potentiometer manually, but i figure there has to be a better way.
Do you have an oscilloscope to look at what signals might be on the pot?
Since you are dealing with a triac circuit connected directly to your AC power and one end of the potentiometer is connected directly to the AC, Then the only safe way is to use an insulating coupling to the shaft of the pot. Notice the plastic knob on the pot that saves your life when you adjust the pot.
Wow, i never realized that.
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