Hi Justin - I've succeeded in figuring out several PC<=3D>gizmo protocols, and also failed once, with a blood-glucose meter protocol which turned out to be encrypted; a fact I discovered by read- ing patent filings, btw... All of these, except the last (fortunately) were time-intensive. --=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 .