... and maybe not. You spared some three seconds typing plz instead of please, and you already deterred half of the people on this Forum from even reading, not answering, your post. Please consider, it is YOU who need THEM to help, so it is YOU who wants to write the question in as clear way as possible (that Erik uses Arghmel instead of Atmel is not very nice of him, too; but he is providing you a favour - and you want the information so you might ask him if you want, what does that mean).

And I definitively don't know what did you meant by "ya" - was that an attempt to write "yes" or "you"? Do you really consider sparing 1 letter a significant feat?

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• WHAT pin 31? - there are two "pin 31" on the schematics.
  
• what does "fluctuating constantly" mean? Method of measurement, results, circumstances (program running etc.)? Provide as much information as possible.
  
• what about the rest of Erik's questions?
  

JW