HMC5883L 3-Axis Compass Module (GY-271)

A 3-axis digital compass module (GY-271) based on the HMC5883L magnetometer – add heading detection to robots, drones and navigation projects.

Specifications

• Chip: HMC5883L 3-axis magnetometer
• Supply: 3–5V
• Interface: I2C
• Field range: ±1.3 to ±8 Gauss

Note: many modules now ship with the QMC5883L equivalent, which uses a different I2C address and library.