I'd try a standard DIY keyfob autoalarm ... Regards/Roger, in Bangkok -----Original Message----- ... Any tips on how I can make the remote tiny (e.g. on the order of 2"x1"x.25")? the small size of the commercial IR transmitters would be my only reason for going with IR. Thanks. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body