PWM motor controller mount
thingiverse
I ordered a PWM motor speed controller from Amazon. It was "SMAKN Motor Speed Control DC3V-35V 5A 90W PWM Adjustable Speed Regulator Switch" - a dial potentiometer without switch. I required a way to attach it to my project, so I created this compact holder for it. Simply push the board into place within the holder, then secure the holder with a piece of mounting tape or foam.
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