Fermion: BMM150 Triple Axis Magnetometer Sensor (Breakout)

Introduction

The BMM150 is a low-power and low noise 3-axis digital geomagnetic sensor that perfectly matches the requirements of compass applications. Based on Bosch’s proprietary FlipCore technology, the BMM150 provides absolute spatial orientation and motion vectors with high accuracy and dynamics. Featuring small size and lightweight, it is also especially suited for supporting drones in accurate heading. The BMM150 can also be used together with an inertial measurement unit consisting of a 3-axis accelerometer and a 3-axis gyroscope.

Board Overview

Connect the module with Raspberry Pi as shown below. Default address: 0x13

Connect the sensor with M0 (or other mainboards) as the diagram is shown below.

Features

• Measurement of the magnetic field
• Ultra-small package
• High accuracy

Specifications

• Power Supply: 3.3V
• Temperature Range: -40~85^oC
• Digital Interface: I2C/SPI
• Programmable Interrupt
• Resolution: 0.3μT
• Zero-B Offset: ±40μT/±2μT(Software optimized)
• Non-linearity: <1%FS
• Magnetic Range: ±1300μT (x,y-axis)
                               ±2500μT (z-axis)
• Average Current Consumption: 170μA (low power preset)
                                                     500μA (normal mode)
• Low Noise: 0.3-1.4μT
• Magnetometer Heading Accuracy: 30μT, horizontal geomagnetic field component, ±2.5^o
• Start-up Time: 3ms

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