AVR-Chat

--- In AVR-Chat@yahoogroups.com, "Brian" <blue_eagle74@...> wrote:
>
> ... a pressure sensor at the top
> of the tank and a rod extending
> down into the tank with a plastic
> ball fixed at the end. the higher
> the water level the more force on
> the sensor.

Are you suggesting that the force of buoyancy on the plastic ball will increase as the water level increases?  You might want to have a word with Archimedes about that.

Graham.