Compass Module HMC5883L

[Lorenzo M. Oliver]

The 3-Axis Compass module measures magnetic fields in three directions – or axes, labeled X, Y, and Z. In its most simple form, the module can be used as a basic compass to find earth’s magnetic north.

The compass module can also sense the relative strength of a nearby magnetic source, such as those caused by magnets or electric fields. As the sensor detects magnetism in three dimensions, it can determine relative distance and direction to these sources...

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