Am I correct that hardware-wise the PIC development board for $3.75 should = be able to program another copy of itself ? https://www.microchip.com/forums/m625916-print.aspx What is required is software to bit bang emulate a serial port and to send = programming signals to a second board. RA0 and RA1 can be the serial port. RA2 and RA3 can drive the programming for the second module. Is this correct ? 99guspuppet --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .