> why do you call them TSOP receivers ? They look like Siemens > SFH series ones from the pictures. Are they ? AFAIK SFH is the old Siemens name, the product seems to be taken over by Vishay. But I think it is just the same content with a different name on it. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body