Analog Meter Metal Detector

The application converts your cell phone into an analog meter metal detector using the built-in magnetic field sensor. Use your cell phone to search for ferrous metals like wires and conduits in walls, electronic devices, ...
The actual value is easy to read in an analog meter and displayed also as numeric value in different colors: Red stands for low signal, yellow for normal signal and green for a high signal. If the green area is reached, a short sound is played.
The display shows basic information about the built in magnetic field sensor.
The application only works if the sensor exists, otherwise you will receive a short message that it can't start.