GY-271 HMC5883L DIGITAL Triple Axis Magnetic Field COMPASS (ORIGINAL CHIP)

The GY-271 HMC5883L Digital Compass Module is a high-precision electronic compass sensor used for magnetic field measurement and directional orientation applications. Built around the reliable HMC5883L magnetometer chip , the module detects Earth’s magnetic field and provides accurate heading information for navigation and positioning systems. The module supports the standard I2C communication protocol , allowing easy integration with Arduino, Raspberry Pi, STM32, and other microcontroller platforms. Operating within a voltage range of 3V to 5V , it is suitable for both low-power and embedded electronics projects. With a compact PCB design and lightweight construction, the GY-271 module is ideal for drones, robotics, autonomous navigation systems, and digital compass applications. Its sensitive magnetic field detection and stable performance make it widely used in motion sensing and orientation tracking systems. Specifications Product Type: Digital Compass Module Model: GY-271 Chipset: HMC5883L Operating Voltage: 3V – 5V DC Communication Protocol: Standard I2C (IIC) Measuring Range: 1.3 – 8 Gauss PCB Size: 1.5 × 1.3 cm Hole Size: 1mm Hole Center Distance: 2.5mm Material: Electronic components PCB Weight: 3g Applications Electronic compass systems Drone navigation systems Robotics and autonomous vehicles Arduino and Raspberry Pi projects Motion tracking systems Orientation sensing applications GPS navigation enhancement Smart navigation devices Embedded sensor projects