Copyright (c) 2019 Arduino SA. All rights reserved. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General ...

Both of these sensors use the MMC5983MA from MEMSIC - a highly sensitive triple axis magnetometer capable of sensing down to 0.4mG, enabling a heading accuracy of ±0.5°. Output rates of 1000Hz, ±8G ...