dax2@hotmail.com wrote: > I need to use a 12F675 to detect an audio signal of about a volt. > Any ideas? Use a 12F629 with properly biased comparator instead. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist