> Can you even get components for a 15 year old project? How long will you have > to support the software. I guess you have the hex file (or S-record or > whatever) that you programmed the chip with so you can burn a new one with a > standalone programmer. But how long would you need to support it for software > changes? Depends on what industry you are in. For military and space 10's of years is no exception. The contract often requires spares to be stocked or even delivered with the main item(s). -- 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