GY-273 3V-5V HMC5883L Triple Axis Compass Magnetometer Sensor Module

The HMC5883L is a 3-axis digital magnetometer module designed for accurate low-field magnetic sensing and compass applications. Utilizing advanced anisotropic magnetoresistive (AMR) sensors combined with an integrated ASIC for amplification and 12-bit ADC conversion, the HMC5883L delivers precise magnetic field strength measurements and heading accuracy within 1° to 2°. Its compact surface-mount package and I2C digital interface make it ideal for mobile devices, robotics, navigation systems, and IoT projects requiring real-time orientation detection.

Features:

• High-resolution 3-axis magnetic field sensing with 12-bit ADC

• Measurement range: ±8 gauss (adjustable gain settings)

• Low power consumption: ~100 µA in active mode

• Operating voltage range from 2.16V to 3.6V for versatility

• Accurate compass heading with 1° to 2° typical accuracy

• Built-in offset cancellation, self-test, and automatic degaussing strap drivers

• I2C digital interface for easy microcontroller communication

• Compact 3.0 x 3.0 x 0.9 mm surface-mount package (LCC)

• Low cross-axis sensitivity ensures reliable directional measurement

Specifications:

Package Includes:

• 1 x HMC5883L 3-Axis Digital Magnetometer Module