You should be able to obtain some sort of readings with the analogue reference set to to the internal 1,250mV one. This should give you readings in the 0..45 range on the A2D, which would be enough to see if you're on the right track.
You should be able to obtain some sort of readings with the analogue reference set to to the internal 1,250mV one. This should give you readings in the 0..45 range on the A2D, which would be enough to see if you're on the right track.