GY-271 3-Axis Digital Compass Magnetometer Module

The GY-271 Digital Compass Module is a compact 3-axis magnetometer sensor designed to measure the Earth’s magnetic field and determine heading direction. The module communicates via the I2C interface, enabling easy integration with Arduino, ESP32, STM32, Raspberry Pi, and other microcontroller platforms.The sensor provides digital measurements along the X, Y, and Z axes, allowing accurate compass heading calculations and orientation detection. It is widely used in navigation systems, drones, robotics, GPS-assisted projects, motion tracking systems, and electronic compass applications.The module includes onboard voltage regulation and signal conditioning circuitry for stable operation and reliable magnetic field measurements. A DRDY (Data Ready) pin is also available for advanced applications requiring interrupt-driven data acquisition.