GY-271 QMC5883L Triple Axis Compass Magnetometer Sensor Module

The GY-271 QMC5883L Triple Axis Compass Magnetometer Sensor Module is a digital electronic compass designed for precise magnetic field detection along the X, Y, and Z axes. Powered by the advanced QMC5883L magnetic sensor IC, this module measures the strength and direction of the magnetic field, allowing it to determine accurate heading and orientation.

This sensor is a newer and improved version of the older HMC5883L module, offering better noise resistance, enhanced sensitivity, and wider magnetic range detection. It communicates through the I2C interface, making it simple to integrate with Arduino Boards, Raspberry Pi, and ESP32 controllers.

Its compact PCB layout, built-in voltage regulator, and robust output make it suitable for projects requiring real-time compass data, such as drones, RC vehicles, robotic navigation, and autonomous mapping systems.

⚙️ Key Features:

✅ 3-axis magnetic field measurement (X, Y, Z)
✅ Uses QMC5883L chip – improved version of HMC5883L
✅ High resolution and accuracy for stable compass readings
✅ Wide magnetic range and enhanced noise immunity
✅ I2C communication interface for easy microcontroller integration
✅ Compact, lightweight, and low power consumption
✅ Ideal for robotics, drones, navigation, and GPS correction systems

🔧 Technical Specifications:

• Chipset: QMC5883L

• Operating Voltage: 3.3V – 5V DC

• Interface: I2C (SCL, SDA)

• Magnetic Field Range: ±8 Gauss

• Sensitivity: 0.25 mG/LSB

• Output Data Rate: 10Hz – 200Hz

• Communication Address: 0x0D (I2C Address)

• Dimensions: 18mm × 13mm × 3mm

• Temperature Range: -40°C to +85°C

• Power Consumption: Low power mode supported

⚙️ Working Principle:

The QMC5883L uses a magneto-resistive sensor array to detect the Earth’s magnetic field. It converts analog magnetic field signals into digital data using its internal ADC and sends it via I2C. When interfaced with a microcontroller like Arduino, it calculates the direction and heading based on these field vectors, making it a crucial component for compass, GPS, and navigation systems.

⚙️ Applications:

• Digital compass and heading reference systems

• Drone and RC aircraft orientation

• Robotics navigation and mapping

• Vehicle direction tracking

• Augmented reality (AR) systems

• DIY Arduino and IoT sensor projects

⚠️ Precautions:

• Keep away from magnetic or ferromagnetic materials during calibration.

• Perform “figure-eight” calibration for accurate results.

• Use stable DC power for consistent data output.

• Ensure correct I2C connection: VCC → 3.3V/5V, GND → GND, SCL → A5, SDA → A4 (for Arduino Uno).

🎥 Tutorial & Resources:

📺 Watch Tutorial: GY-271 QMC5883L Compass with Arduino Code & Calibration

This video explains the wiring, Arduino code setup, and heading output on the serial monitor, perfect for beginners and hobbyists.

🔗 Internal Links:

• Browse more Sensors & Modules

• Buy Arduino Boards

• Explore IMU and Motion Sensors

🧩 Product Summary:

The GY-271 QMC5883L Triple Axis Compass Magnetometer Sensor Module offers precise and reliable magnetic field measurement for orientation detection. With improved performance over the HMC5883L, it ensures higher stability, faster response, and smoother heading control, making it a must-have sensor for drones, robots, and direction-based Arduino projects.