# Description

The magnetometer is used to measure magnetic flux density. This is the total magnetic field passing through a given area, per metre squared, $\frac{T \cdot m^2}{m^2}$ . The sensor will returns values with units of microtesla $\mu T$ for each of the three coordinate axes; x, y and, z. The magnetic flux density is quite similar to magnetic field strength.

# Events

When the magnetometer detects a change in the ambient magnetic field the Changes event will fire. The event returns 4 parameters that we can work with.

 Parameter Type Returns xFluxDensity Number Flux density, in the x direction, expressed in $\mu T$ yFluxDensity Number Flux density, in the y direction, expressed in $\mu T$ zFluxDensity Number Flux density, in the z direction, expressed in $\mu T$ error String Error message from the Sensor

# Properties

The magnetometer is, by default, turned on, but the enabled property can be used to turn in on and off by setting it to true or false respectively.

 Property Type Default set Enabled Bool true get Enabled Bool true