Hello, I was going to do some minor automation. However, when I started my project, I got unexpected results. Then, I decided to test the performance of digital and analog inputs. To do this, I wrote this code (here, only for digital). The results are either always "HIGH" or a random combination of…

digitalRead always returns HIGH or provides random output at no voltage

Grumpy_Mike September 25, 2012, 4:45am 3

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