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BNO055 IMU

The BNO055 is a 9-DOF (Degrees of Freedom) absolute orientation sensor that integrates a triaxial accelerometer, gyroscope, and magnetometer with a 32-bit microcontroller for real-time sensor fusion. It outputs processed orientation data (Euler angles, quaternions) directly via I2C or UART, simplifying complex motion tracking for robotics and IoT applications.

BNO055 IMU
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Specifications

Sensor Type: 9-axis Absolute Orientation (Accelerometer, Gyroscope, Magnetometer) Interface: I2C, UART, HID-I2C Operating Voltage: 3.3V - 5V DC Operating Current: ~10mA (typical) Operating Temperature: -40°C to 85°C Acceleration Range: ±2g, ±4g, ±8g, ±16g Gyroscope Range: ±125 dps, ±250 dps, ±500 dps, ±1000 dps, ±2000 dps Magnetometer Range: ±1300µT (x,y), ±2500µT (z) Dimensions: Approx. 20mm x 15mm (breakout board size) Output Data Rate: Up to 100Hz (for orientation) Calibration: On-chip calibration and fusion algorithms

Details

The Bosch BNO055 is an intelligent System in Package (SiP) that combines a triaxial 14-bit accelerometer, a triaxial 16-bit gyroscope with ±2000 dps range, and a triaxial magnetometer. Unlike standard IMUs, the BNO055 features an integrated 32-bit ARM Cortex-M0+ microcontroller running Bosch's proprietary sensor fusion software. This allows it to output fully processed absolute orientation data (Euler angles, quaternions, rotation vectors) directly, offloading heavy computational tasks from the host microcontroller. The sensor operates at 3.3V or 5V logic levels and communicates via I2C or UART interfaces. It is ideal for applications requiring precise orientation tracking, such as robotics, drones, virtual reality headsets, and augmented reality systems. The BNO055 is calibrated at the factory, but users should perform a simple calibration routine for optimal accuracy. Its compact design and easy-to-use interface make it a top choice for developers looking to integrate 9-axis motion sensing without complex programming.

Tags

IMU9-DOFBNO055Orientation SensorI2CRoboticsMotion TrackingBosch

Alternatives

  • MPU6050
  • MPU9250
  • LSM9DS1
  • BNO085
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