Magnetometer BMM150
The BMM150 is a compact, ultra-low-power 3-axis digital magnetometer designed for accurate orientation sensing, electronic compass applications, and inertial navigation. Its versatile I²C and SPI interfaces ensure easy integration with popular platforms such as Arduino, ESP32, and Raspberry Pi.
Key Features
- Axes: 3 (X, Y, Z)
- Measurement Range: ±1300 µT
- Resolution: ~0.3 µT
- Power Consumption: Ultra-low power consumption for battery-operated devices
- Interfaces: I²C and SPI
- Supply Voltage: 3.3 V
- Operating Temperature: Wide operating range suitable for various environments
- Additional Signals:
- DRDY (Data Ready)
- INT (Programmable Interrupt)
- SDO/ADDR (I²C address select / SPI MISO)
Applications
| Application | Description |
|---|---|
| Electronic Compass | Detects Earth’s magnetic field to determine the device orientation. |
| Inertial Navigation (INS) | Integrates with accelerometers and gyroscopes to improve position and orientation estimation. |
| Augmented Reality (AR) | Dynamically adjusts AR content on smart devices based on precise orientation data. |
| Metal Detection / Proximity Sensing | Monitors magnetic field variations to detect metallic objects and machinery anomalies. |
| Mobile Robotics and Drones | Provides reliable heading information, essential for indoor navigation and autonomous operation. |
| Wearables and Portable Devices | Enhances personal navigation in smartwatches, fitness trackers, and other portable devices. |
| Indoor Geolocation | Improves indoor positioning accuracy by compensating for sensor drift and interference. |