> Ah Ha, now I understand the reason for suggesting the temp switch! I am > using the tip over switch to monitor a portable application but will not > need UL approval. Sorry I cannot be a little more specific but there are > secrecy provisions in place. I know this is a long shot, but would a cheap accellerometer work in this application? We are using some in a project now, and they can be cheaper than mechanical switches. Of course they need to be on to work. ******************************************************************** Olin Lathrop, embedded systems consultant in Littleton Massachusetts (978) 742-9014, olin@embedinc.com, http://www.embedinc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.