Using simple serial with arduino

ok, I understand now. I will test the inputs into arduino1 here soon when I get back into the lab. And with the bold, more than likely the wiring is affecting it like you mentioned. Is there a way to possible fix that?
Right now, I have a 5V supply to all 3 + pots on the breadboard...what if I supplied each pot it's own 5V source on the breadboard?