That is not an entrance if anything it is an exit.
I don’t think you are getting any signal into your analogue input, measure on the input pin of the Arduino with an oscilloscope to see. But then I don’t suppose you have one.
That is not an entrance if anything it is an exit.
I don’t think you are getting any signal into your analogue input, measure on the input pin of the Arduino with an oscilloscope to see. But then I don’t suppose you have one.