> why? just to buffer it into the PIC. Although the resistor > will be within inches of the PIC But why 'buffer' it into the PIC? what would be the benefit over a straight connection (with some protection and/or filtering, but that will be required anyway)? Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist