Herbert Graf wrote... >What about a piezo transducer? Would probably require some heavy >amplification but it should work. TTYL That'd work if he was interested in measuring vibration; but piezos don't respond down to DC so they can't be used for measuring static force. Dave -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads