How can I interface 2 pins of metal to a PIC etc. for detecting waterlevel (on/off)? -the resistance between the 2 pins is several Mohms with water and the circiut is of cource open with no water. /torben -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body