@davee Hi Dave, Thanks again for your above reply. I feel happy to advise you that I solved the problem today and now all works smooth and fine.....

Many thanks, Bill! I started from the very beginning with a single "precious" Arduino UNO (those times this was quite expensive though). At presen...

Hi @davee and thanks again for your concern on the topic. As I promised, please find the schematic attached herewith. I am trying different approa...

@davee Hi, fully agree on your last (the supplement to 'diatribe'), especially about the behavior of ADC within the limits of rated voltage values. I ...

Hi @davee and thanks again for the reply. I appreciate very much your concern regarding the safety. Please do not worry, this is standard, for domes...

@davee Hi. Thanks for your reply. First, I apologize for non-uploading the code as required, further more, the example code is not exactly the one - I...