The Sno (pronounced like “snow”) board is a tiny footprint Arduino board that you can see ... there are modules to do analog to digital conversion, servo control, operate NeoPixels, and ...

The main board powering the project is an ... send that location information to an Arduino. The Arduino then interprets this into data that a servo can use to move into position, aligning with ...

The Arduino controls what amounts to ... It is possible that a small servo moving a permanent magnet closer to the board for a move and away from the board to reposition could do the same job ...