Firstly, it was ok to measure the voltage...
thereafter, i wanted to try it again,
I think analog ports start with A, they're just a macro that boils down to a number, so try int analogInput = A2; (up top)
the value was not accurate and 0 ( such as V= 11.xxV) when even i didn't plug anything on it....its supposed to be 0 if i haven't plug everything on it...
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