>Reginald Neale wrote: > >> Does the PIC drive any kind of load other than LEDs? If so, can you >> temporarily disconnect them to see if that has any effect? > Use the output to drive a transistor and much bigger loads can be operated, eg relays, opto-isolators then the world. Ron -- /\ [] Ron Dickinson [] <<<<< >>>>> [] Compusolve-Redilec /--\ Derbyshire England !!!! +44 01246 - 570281