> Haven't seen anything for a hobbyist type budget though. TTYL You might consider the US$100 Parallax logic analyzer, http://www.parallax.com/detail.asp?product_id=30010, see the second set of bullet points. I believe that this LA's OEM has bigger devices, with similar capability. -- PRIVACY WARNING: For auditing purposes, a copy of this message has been saved in a permanent database. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist