I'm looking for an inexpensive and sealed angle sensor. I think of using an automotive throttle position sensor. They can be bought at low price and if they last under the hood of a car they are sealed well enough for me.
I thought that they are just simple potentiometers but according to Wikipedia modern TPS are non contact type hall, inductive or magnetoresistive sensors.
Most of them still seem to have three contacts. My question is how can they be read? I'm going to connect it to Arduino so can I read it the same way as potentiometer?