Product description: 3-axis magnetometer - BMM150 - I2C / SPI - Waveshare 24657
The BMM150 3-axis magnetometer was developed by Waveshare and is used to precisely measure the magnetic field in three perpendicular axes X, Y and Z. This device is characterized by small dimensions, low power consumption and minimized noise level , making this sensor ideal for applications requiring long-term operation and high precision measurements, such as navigation and positioning systems, electronic compasses or devices for determining magnetic direction. The sensor communicates via I2C and SPI interfaces , making it compatible with various microcontroller systems, including Raspberry Pi and Arduino . Additionally, the sensor supports voltages of 3.3 V / 5 V , providing versatility for use in a wide range of electronics projects.
All necessary information about the product can be found on the manufacturer's website.
3-axis magnetometer - BMM150 - I2C / SPI - Waveshare 24657 
The 3-axis magnetometer precisely measures the magnetic field for the X, Y and Z axes.
Main features of the magnetometer
- Precisely measures the magnetic field for the X, Y and Z axes
- Supports I2C and SPI interfaces, enabling compatibility with Raspberry Pi, Arduino and other microcontrollers
- It has small dimensions, ideal for use in compact devices and electronic systems
- Offers low power consumption
- It ensures a low noise level, which guarantees high measurement accuracy
- Supports 3.3V and 5V voltages
- It is used in navigation and positioning systems to accurately track direction and spatial orientation
Magnetic field measurement
A 3-axis magnetometer is a highly precise instrument for measuring the magnetic field in three axes - X, Y and Z. It has a resolution of 0.3 μT and a measurement range of up to ±1300 μT for the X and Y axes and ±2500 μT for the Z axis, making this sensor suitable for advanced navigation systems. Its accuracy makes it an ideal component for implementation in electronic compasses and heading and positioning devices.
I2C and SPI communication interface
The device supports the I2C and SPI communication interface . Configured to communicate via I2C by default, this sensor can easily interface with microcontrollers such as Raspberry Pi and Arduino. It offers versatility and ease of use that appeals to both hobbyists and electronics professionals.
The product is often used in navigation systems.
Magnetometer module with connected cables.Technical specifications of the magnetometer
- Device type: 3-axis magnetometer
- Communication interfaces: I2C, SPI
- Supply voltage: 3.3V / 5V
- Magnetism measurement range: ± 1300 μt (X, Y axis), ± 2500 μt (Z axis)
- Resolution: 0.3 μT
- Linearity: less than 1% FS
- Gain error: ±2%
- Temperature change sensitivity: ± 0.01%/K
- Zero point drift: ± 40 μT (25°C)
- Data transfer frequency: 10 Hz
- Operating temperature: from -40°C to 85°C
- Dimensions: 29 x 20 mm
