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  • 3) Magnetometers
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3) Magnetometers

< 1 min read

Definition #

Magnetic sensors are used to measure the Earth magnetic field. These sensors enable a compassing capability by providing direction to the magnetic North. 

Usually magnetic field is expressed in nano Teslas or Gauss. However, compass applications do not really require specific units since only the direction of magnetic field matters. Thus, a normalized vector (with a norm equal to 1.0) can perfectly describe the direction to Magnetic North.

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Updated on April 14, 2025
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