On 5 Oct 2005 at 23:27, Padu wrote: > The problem happens when I connect my RA0 pin to the > divider (same spot where my probe is). Immediately the voltage drops to > 2.65V.... why is that? You must apply power to the PIC before putting input signal to it. Cheerful regards, Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist