Bosch BMM150 Compass(SPI)

File:TArduinoBMM150CompassSPI.png

Summary

BMM150 3-axis magnetic compass with SPI interface for measuring magnetic fields in microtesla (µT).

Description

The **Bosch BMM150 Compass (SPI)** measures X, Y, and Z components of the magnetic field with high precision. It supports configurable sampling rates, repeated measurements, and SPI communication. Ideal for orientation detection, navigation, and magnetic field sensing applications.

Diagram:

Properties

• Enabled – Enables or disables the compass.
• Repeat X/Y – Number of repeated measurements for X and Y axes (default 4).
• Repeat Z – Number of repeated measurements for Z axis (default 14).
• Sampling Rate (Hz) – Measurement frequency (default 10 Hz).
• SPISpeed – SPI communication speed (default 500000).

Pins

Input Pins

• Reset (clock) – Resets the sensor.
• Clock – Sampling clock input.

Output Pins

• X (µT) – X-axis magnetic field in microtesla.
• Y (µT) – Y-axis magnetic field in microtesla.
• Z (µT) – Z-axis magnetic field in microtesla.
• Sensor (SPI) – SPI interface for communication and configuration.
• Chip Select (digital) – SPI chip select pin.

Categories

• File:TArduinoDigitalCategory.png Category Digital – Digital sensors and interfaces.
• File:TArduinoSPIcategory.png Category SPI – SPI-enabled devices.
• File:TArduinoSensorCategory.png Category Sensors – Magnetic and orientation sensors.