> How do you get the HEX file out of the PC? It is stored in an EEPROM I > assume but if you have to program that then why not just program > the PIC and > be done with it? > > Nick The program is transferred to the PIC over the serial port (either the hardware USART or bit banged) and the PIC writes it's own program memory, effectively programming itself. The only hardware needed is a cable connecting the PC to the PIC, most projects already have a serial port connection (either for debug or as part of the design) so for many projects there is nothing additional needed. TTYL ---------------------------------- Herbert's PIC Stuff: http://repatch.dyndns.org:8383/pic_stuff/ -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body