I am attempting to make a ultrasonic liquid level measurement system for my beer boil kettle and hit a snag. When the kettle reaches a certain height in liquid, a pump will turn off. This is my first arduino project. I have two Sparkfun 4 character 7 segment LED serial displays. A PING ultrasonic s…

Level Sensor Height Change conversion to gallons

system March 21, 2012, 10:48pm 11

Nice idea,

But are those sensors liquid proof?
Are there any?