Peter L. Peres wrote: >I think that you need to define to yourself I have, sorry for not communicating it cleraly before >what kind of water Pure, or: with or without salt. and with or without dirt. shouldmake same result > you need to >detect. You seem to have no clear ideas yourself. sure i do: >Do you mean water, as >in, 3 feet under ? 3 cm under ? YES as soon as the device is *covered* more or less with water. But it must not have anything sticking out. Therefor i will use a cavity to measure in, or a hole right through the device. the device is approx 20mm thick, max alowable hole diameter 30mm. Shell is plastic. > Just a little wet ? Rain ? Spray ? NO > How >slowly can it accumulate ? max 1 minute. /Morgan -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads