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This is a three-axis magnetic field compass magnetometer sensor module equipped with HMC5983 high-performance chip, available in GY-271M and GY-282 versions. It supports precise three-axis magnetic field sensing and compass angle calculation with high accuracy and stable output. Featuring low power consumption and strong anti-interference ability, it is widely applied in intelligent vehicles, drone navigation, electronic compass, industrial magnetic field detection and Arduino electronic DIY projects. Small size and simple interface make it convenient for installation and secondary development.