Just posted, a document describing the major differences b/w STN1110 and=20 ELM327: http://www.scantool.net/scantool/downloads/102/stn1110_vs_elm327.pdf=20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .