> Or is there some hardware "problem" with the current Wisp628 > design that makes it impossible to program dsPIC's with it ? you should check the Vpp requirements of those chips first, Wisp628 has a very simple Vpp generator. But you could switch of one stage of the Vpp pump, so you'd get ~8V. 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