> One > thing I noticed in the schematic is that the Vdd to the device being > programmed is taken directly from the USB port's +5. This > being the case, I > wonder how it manages the PICs with a Vpp-before-Vdd programming > requirement? And how will it cope with an USB to outputs the minimum voltage allowed by USB specs (IIRC < 4.5V)? 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