Michael Rigby-Jones ha scritto: > > Sorry if this is being obvious, but you will either need to rectify the > output of the transformer or apply a suitable voltage offset in order to > prevent any negative voltages on the PIC pin. point taken :) and answered in other mails, Mike. thank you -- Ciao, Dario -- Cyberdyne -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist