Jinx-4 wrote: > >> - Not sure which PIC you're using, but RA4 is generally an open collector > > That's what I was thinking and then spotted the type in the Subject > Doh! -- View this message in context: http://www.nabble.com/Odd-behaviour-flashing-LED%27s-using-timer0-on-PIC16F684-tp20652770p20653495.html Sent from the PIC - [PIC] mailing list archive at Nabble.com. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist