Thanks dc42,
I really would like to understand this stuff better. So my scenario is #3, since my motor voltage is 6 volts and my Arduino voltage is 4.5 volts.
This photo is what I've found from another thread. Is this correct? I've read that the pull up resistor on the MOSFET's gate is needed to turn it off. But the continuous current drain across that 10K resistor will defeat the purpose of attaining ultra low quiescent current. My motor voltage is 6 volts, so across 10K, that'd be a 600 uA, no?
