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Fermion: BMM150 Triple Axis Magnetometer Sensor (Breakout)
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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 p...
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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
Specification
Power Supply: 3.3V
Temperature Range: -40~85°C
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°
Start-up Time: 3ms
Documents
Shipping List
Fermion: BMM150 Triple Axis Magnetometer Sensor (Breakout) x1
2.54 Black Single-row Connector 9Pin x1
Jargon buster
Plain-language definitions for the technical terms used above.
- breakout
- A breakout is a small circuit board that makes a tiny or hard-to-solder component easier to connect to with standard pins. It matters because this OLED module can be wired into a microcontroller project without needing to solder directly to the display’s fine contacts.
- Gyroscope
- A gyroscope measures rotation, such as how fast a board is turning around its X, Y, and Z axes. This matters for projects like gesture controls, balancing robots, and motion tracking where tilt or rotation changes need to be detected.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- magnetometer
- A sensor that measures magnetic fields, often used to work out compass direction. It matters because nearby magnets, motors, or metal objects can affect readings and may require calibration.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
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