Hi, I'm very new to this and I'm liking it very much! I have a problem with the analog readings though. I connected a battery (1.5v) to ground and analog input 0. The value it reads is 368 (~1.8V). I tested the battery and the most precise value I get is 1.58 V (from a calibrated tester). Is this no…

Inaccurate analog reading and interrupt problem

system December 16, 2009, 9:27am 2

I connected a battery (1.5v) to ground and analog input 0.

Why?