Hi again, sorry for inconvenience. Bob, you're right. "When you are attempting to fix a broken something, you are doing the ultimate reverse engineering, figuring out how it SHOULD have worked. We all approve of that." Randy, thanks I'm looking for... Glitching David, Firmware and/or Hardware. Actually I'm looking for new resources of Electronics reverse engineering nowadays, because I'm attempting to fix a broken something so what are the best techniques? I don't do illegal things. Thanks. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .