HMC5883L 3-Axis Compass Magnetic Sensor Module - I2C Interface
The GY-271 HMC5883L 3-Axis Compass Magnetic Sensor Module is a digital magnetometer providing precise heading information via I2C communication, compatible with 3.3V and 5V microcontroller systems like Arduino, Raspberry Pi, and ESP32.
Features
- 3-axis digital magnetometer with HMC5883L driver chip
- I2C digital interface for easy microcontroller integration
- Wide operating voltage range: 3V to 5V DC
- Compact PCB module (14.8mm x 13.5mm) for space-constrained projects
- ±1.3 to ±8 Gauss selectable magnetic field measurement range
Out of stock
The GY-271 module integrates the HMC5883L, a low-field magnetic sensing chip that converts magnetic flux density into a digital signal across three orthogonal axes. This differential sensing principle provides raw digital output values that can be processed to calculate precise heading angles, detect magnetic field direction, and sense field strength variations.
Designed for straightforward integration, the module includes pull-up resistors and level shifting for reliable I2C communication with both 3.3V and 5V logic systems. Its compact form factor and low power consumption make it suitable for robotics, navigation, and orientation sensing applications where size and accuracy are critical.
Additional Information
| Weight | 0.002 kg |
|---|---|
| Dimensions | 1.48 × 1.35 cm |













