Generic GY-271 QMC5883L 3-Axis Electronic Compass Module - I2C Interface
Generic GY-271 QMC5883L 3-Axis Electronic Compass Module - I2C Interface - Image 2
Generic GY-271 QMC5883L 3-Axis Electronic Compass Module - I2C Interface - Image 3
Generic GY-271 QMC5883L 3-Axis Electronic Compass Module - I2C Interface - Image 4
Generic GY-271 QMC5883L 3-Axis Electronic Compass Module - I2C Interface - Image 5
SKU: SENS-1189
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Generic GY-271 QMC5883L 3-Axis Electronic Compass Module - I2C Interface

₹173.00 (Inclusive of all taxes)
Out of Stock

The GY-271 QMC5883L 3-axis electronic compass module provides precise magnetic heading data via I2C communication, compatible with 3.3V and 5V microcontroller systems like Arduino, Raspberry Pi, ESP32, and STM32 for navigation and orientation applications.

Features

  • 3-axis magnetic field sensing with QMC5883L driver IC.
  • I2C digital interface for easy microcontroller integration.
  • Wide operating voltage range from 3V to 5V DC.
  • Compact PCB footprint for space-constrained projects.
  • Measures magnetic field strength within ±1.3 to ±8 Gauss range.

Out of stock

Description

The GY-271 module integrates the QMC5883L, a 3-axis magnetometer IC that converts magnetic field vectors into digital outputs on three orthogonal axes. This data is processed via the I2C protocol to calculate precise heading information, essential for navigation systems, robotic orientation, and stabilization.

While functionally similar to the Honeywell HMC5883L, the QMC5883L variant features a distinct register map and default I2C address (0x0C), requiring specific software libraries for proper operation. The module operates across a standard 3V to 5V logic range, making it compatible with most development platforms without level shifting.

Key Features

  • QMC5883L 3-axis magnetometer with digital output.
  • Standard I2C communication interface for direct MCU connection.
  • Wide magnetic field measurement range (±1.3 to ±8 Gauss).
  • Low-power operation suitable for portable and battery-powered devices.
  • Compact and lightweight PCB design for easy integration.
  • High-value build offering core compass functionality at an optimized performance-to-cost ratio.

Applications

  • Robotic navigation and heading stabilization for autonomous vehicles.
  • DIY electronic compass and orientation sensing for handheld devices.
  • Augmented reality (AR) and virtual reality (VR) motion tracking systems.
  • UAV (drone) flight controller stabilization and yaw reference.
  • Educational projects demonstrating magnetometer principles and I2C communication.

Technical Specifications

Item TypeMagnetometer Module
Model NumberGY-271
Driver ICQMC5883L
Operating Voltage3V to 5V DC
Communication ProtocolI2C
Magnetic Field Range±1.3 to ±8 Gauss
Dimensions (L x W)14.8 mm x 13.5 mm
Weight2 g

Frequently Asked Questions

What is the difference between the HMC5883L and QMC5883L on the GY-271 module?

The QMC5883L is a pin-compatible alternative to the Honeywell HMC5883L, but it uses a different I2C address (0x0C vs. 0x1E) and has a distinct register map. While their hardware design and basic 3-axis sensing capability are similar, they require different software libraries and are not firmware-compatible.

What is the operating voltage range for this module?

The GY-271 module operates from 3V to 5V DC, making it compatible with both 3.3V logic systems (like Raspberry Pi, ESP32) and 5V logic systems (like standard Arduino boards) without requiring a level shifter.

How do I connect and communicate with this sensor?

The module uses the standard I2C protocol. Connect the VCC, GND, SDA, and SCL pins to your microcontroller. You must use a software library specifically written for the QMC5883L chip to read the magnetic field data and calculate headings correctly.

What is the magnetic field measurement range?

The QMC5883L sensor has a programmable magnetic field range, typically operable from ±1.3 Gauss to ±8 Gauss. This allows it to be configured for different sensitivity levels depending on the application's requirements.

Package Includes

  • 1 x GY-271 QMC5883L 3-axis Electronic Compass Module
  • 2 x 5-pin Male Berg Connectors

Additional Information

Weight 0.002 kg
Dimensions 1.48 × 1.35 cm

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