I would like to dim 12V fans and led lights. Easiest solution seems to be PWM dimmer switch. I have read, and it makes sense, that PWM causes electric pollution - EMI.
Is this true, and if so, is there an analog alternative for dimming led lights? For fans it's easy to make diy resistors.
Is this true, and if so, is there an analog alternative for dimming led lights? For fans it's easy to make diy resistors.