7Semi MMC5983MA mini Magnetometer Breakout, 3-axis Magnetic Sensor

The 7Semi MMC5983MA Mini Magnetometer Breakout is a compact 3-axis magnetic-field sensing module based on the MMC5983MA sensor. It provides high-resolution, low-noise magnetic field measurements for X, Y, and Z axes with fast sampling rates and low power consumption. Its small size and stable performance make it ideal for digital compasses, navigation, robotics, drones, IoT devices, and magnetic-field detection applications.

Technical Specifications:

• Sensor IC: MMC5983MA (3-axis magnetometer)
  
• Measurement Axes: X, Y, Z
  
• Full-Scale Range: ±8 Gauss
  
• Resolution / Sensitivity: ~0.4 mG (18-bit output)
  
• Noise Level: ~0.4 mG RMS
  
• Output Data Rate: Up to 1000 Hz
  
• Interface: I²C (up to 400 kHz)
  
• Supply Voltage: 3.0V
  
• Power Modes: Low-power and power-down modes
  
• On-Chip Features: Degaussing (SET/RESET), temperature compensation, internal temperature sensor, data-ready interrupt

Features:

• High-resolution 3-axis magnetic field sensing
  
• Fast data rates suitable for motion tracking and navigation
  
• Wide ±8 Gauss dynamic range for accurate geomagnetic and magnetic-source detection
  
• Low-noise, stable digital output
  
• Built-in degaussing and compensation functions for consistent performance
  
• Low-power operation ideal for battery-powered systems
  
• Simple I²C interface for microcontroller integration
  
• Compact mini breakout suitable for robotics, wearables, and embedded designs
  
• Works well with sensor-fusion systems (IMU + magnetometer)
  
• Reliable long-term performance in varying environments

Applications:

• Digital compass and geomagnetic navigation
  
• Robotics orientation and heading sensing
  
• Drones/UAVs magnetometer-aided navigation
  
• Wearable devices and IoT motion sensors
  
• Magnetic anomaly detection and mapping
  
• Research instruments measuring magnetic fields
  
• Embedded systems requiring precise magnetic detection
  
• Metal detection and magnetic-field logging projects
  
• Sensor-fusion systems (AHRS, IMU-based navigation)
  
• Portable and low-power magnetic sensing devices