I've bought a few 12v DC PWM motor speed controller/dimmers to dim a halogen light bulb. The problem i'm getting is the dimmer is making a high pitch sound from the dimmer. Am I using the wrong type of dimmer?
What i really needed was a 6v dimmer, which can handle about 4A.
What i really needed was a 6v dimmer, which can handle about 4A.
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