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SmartElex MLX90393 Triple Axis Magnetometer High-Precision Magnetic Field Sensor

SmartElex MLX90393 Triple Axis Magnetometer High-Precision Magnetic Field Sensor

₹289.00Price

🔍 Overview

The module is based on the MLX90393 3-axis magnetometer IC, a high-resolution digital magnetic field sensor.

  • Measures magnetic field along:

    • X-axis

    • Y-axis

    • Z-axis

  • Provides precise vector magnetic field data

  • Suitable for:

    • Compass applications

    • Position sensing

    • Magnetic field analysis

👉 It is a 3D magnetic sensing solution with high sensitivity and flexibility.

⚙️ Working Principle

🧠 Hall / Magneto-Resistive Sensing

  • Uses Triaxis® Hall-based sensing technology

  • Detects magnetic field by measuring changes in internal sensor properties due to magnetic flux

🔄 Signal Processing

  • Magnetic field interacts with sensing elements

  • Generates small electrical signal

  • Internal amplifier boosts signal

  • ADC converts it into digital output

👉 Outputs represent magnetic field strength in each axis.

📊 Measurement Characteristics

Magnetic Field Range (Selectable)

  • ±5 mT

  • ±16 mT

  • ±50 mT

👉 Wide range allows detection of:

  • Weak Earth’s magnetic field

  • Strong nearby magnets

Resolution

  • Up to 16-bit digital resolution

  • High sensitivity:

    • Detects very small field changes

Output Data

  • 3-axis magnetic field values:

    • X, Y, Z components

⚡ Electrical Characteristics

  • Supply voltage: 2.2V to 3.6V

  • Low power consumption

  • Designed for embedded systems

🔗 Communication Interface

  • I²C interface

  • SPI interface

👉 Flexible digital communication with microcontrollers.

🧠 Internal Features

✔ Programmable Gain

  • Adjust sensitivity based on application

✔ Adjustable Resolution

  • Trade-off between:

    • Speed

    • Precision

✔ Temperature Compensation

  • Reduces drift due to temperature changes

✔ Multi-Axis Measurement

  • Simultaneous measurement of X, Y, Z fields

✔ Low Noise Design

  • Ensures stable and accurate readings

🔄 Operating Behavior

✔ Magnetic Field Detection

  • Measures both:

    • Static magnetic fields

    • Dynamic changes

✔ Vector Measurement

  • Provides direction + magnitude of magnetic field

✔ Orientation Detection

  • Can be used to determine:

    • Heading (compass direction)

    • Rotation relative to Earth

🌡️ Environmental Characteristics

  • Stable across wide temperature ranges

  • Maintains accuracy with internal compensation

⚠️ Limitations

  • Sensitive to:

    • External magnetic interference

    • Nearby electronics

  • Requires calibration for:

    • Accurate compass readings

  • Cannot measure:

    • Distance directly (only field strength)

🔌 Typical Pin Configuration

  • VCC → Power supply

  • GND → Ground

  • SDA / MOSI → Data

  • SCL / SCK → Clock

  • CS → Chip select (SPI mode)

🧩 Functional Role

The module acts as a:

  • Magnetic field sensor

  • Digital compass sensor

  • Position/orientation detector

  • Magnetic interaction measurement device

🏁 Summary

The SmartElex MLX90393 Magnetometer Breakout is a high-precision 3-axis magnetic sensing module that:

  • Measures magnetic field in X, Y, Z axes

  • Uses Hall-based sensing technology

  • Provides high-resolution digital output

  • Supports I²C and SPI communication

  • Offers programmable range and sensitivity

  • Is optimized for precision magnetic field and orientation sensing

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