What kind of touch screen are you thinking of Octavio? resistive ,capacitive, inductive,....? four-wire, five-wire ? Frank Temmerman Does any one know how can I do a touch screen? I'm planning to use a PIC to do this, Any idea? Octavio -- ======================================================== Octavio Nogueira e-mail: nogueira@mandic.com.br homepage: http://ourworld.compuserve.com/homepages/tato voice/fax: +55 11 240-6474 ========================================================