I set a PWM circuit up using a FET and any time I try to slow the fans down (4 120mm PC fans, 350mA) at all they start making an unhappy noise. Any idea's? The fans are definitely a brushed motor.
Thanks
I set a PWM circuit up using a FET and any time I try to slow the fans down (4 120mm PC fans, 350mA) at all they start making an unhappy noise. Any idea's? The fans are definitely a brushed motor.
Thanks