> So does anybody have any experience or advice they can offer > in using a pressure sensor as a fluid level detector? No experience, but how about two stripes of alufoil on the outside and measuring the capacitance? Cap will be in the pf range. For the circuit check humidity sensor circuits. 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