What's the output of an RPM wire from a case fan?
I'm guessing that it changes between ground and a set voltage, or between two voltages, but what are they? And with what frequency? I'd assume one pulse per spin of the fan. Tried Googling for this and couldn't find the answer.
I'm guessing that it changes between ground and a set voltage, or between two voltages, but what are they? And with what frequency? I'd assume one pulse per spin of the fan. Tried Googling for this and couldn't find the answer.