I like CAN, a very noise resistant bus. Tom * | __O Thomas C. Sefranek wa1rhp@comcast.net |_-\<,_ Amateur Radio Operator: WA1RHP (*)/ (*) Bicycle mobile on 145.41 MHz. ARRL Instructor, Technical Specialist, VE Contact. http://www.harvardrepeater.org --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .