Reference: RBD-1766
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The Compass Sensor HMC5883L HW-127 is a high-precision 3-axis digital magnetometer module designed to provide accurate heading and magnetic field measurements. This Compass Sensor HMC5883L HW-127 communicates through the I2C protocol, making it simple to interface with popular development boards such as Arduino, ESP32, and STM32. Because it supports 3–5V input and includes onboard logic level compatibility, it works safely with both 3.3V and 5V microcontrollers. The module measures magnetic fields in the range of ±1.3 to 8 Gauss, allowing developers to calculate direction, detect orientation, and build navigation systems efficiently. Moreover, its compact HW-127 form factor makes it ideal for drones, robotics, and portable embedded systems. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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3-Axis Magnetic Field Detection – Measures X, Y, and Z axis magnetic components for accurate digital compass readings.
Precise Heading Output – Enables reliable north detection and orientation tracking in navigation systems.
I2C Digital Interface – Simplifies communication with microcontrollers using only SDA and SCL lines.
3–5V Compatible Operation – Onboard circuitry allows safe use with both 3.3V and 5V systems.
Wide Magnetic Range – Supports ±1.3 to 8 Gauss measurement range for flexible applications.
Compact & Lightweight – Small PCB size (14.8mm × 13.5mm) and only 2g weight.
Data Ready Pin Support – Improves read speed and synchronization in advanced applications.
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Robot Navigation Systems – Determine heading direction for autonomous movement.
UAV & Drone Projects – Stabilize and control aerial orientation.
Digital Compass Projects – Build portable electronic compass devices.
IoT Orientation Detection – Monitor magnetic field changes in smart systems.
Educational & STEM Projects – Ideal for learning magnetometer interfacing with Arduino.
Motion Tracking Systems – Combine with accelerometers for 9-DOF sensing solutions.
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| General Specifications | |
| Product Type | 3-Axis Magnetic Compass Module |
| Driver IC | HMC5883L / QMC5883L (Variant Based) |
| Operating Voltage | 3V – 5V DC |
| Communication Protocol | I2C |
| Measuring Range | ±1.3 – 8 Gauss |
| Length | 14.8 mm |
| Width | 13.5 mm |
| Height | 3.5 mm |
| Weight | 2 g |
| Shipment Weight | 0.005 kg |
| Shipment Dimensions | 3 × 2 × 1 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x Compass Sensor HMC5883L HW-127
2 x 5*1 Male Burg Connectors (without soldered).
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Brand: SparkFun Electronics
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