Right. My problem is that I will be using an unregulated power supply to feed the arduino mini pro, so I don't have a 5v power source to feed the switch. So I was thinking in re-use an available pin to do that work.
Right. My problem is that I will be using an unregulated power supply to feed the arduino mini pro, so I don't have a 5v power source to feed the switch. So I was thinking in re-use an available pin to do that work.