> What am I doing wrong Comparing your gif with a couple of circuits I have here using the MAX232, it appears to me that you should swap pins 2 and 3 on the DB9 There've been several discussions about RS232 levels and compatibility with PICs. ISTR that for best fit a MAX232 should be used. Simpler interfaces can be used but aren't guaranteed to work in every situation -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist