> > The Wisp628 can use a 16F628, 16F628A or even a 16F648A,... > > But not the 16F628-04 that Steve had, right ? At least not guaranteed. the Wisp628 firware assumes 20 MHz. I know some people have used it at 4 MHz (maybe with some tinkering for the serial communication), but I would not trust it. 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