The BNO055 is a 9-axis absolute orientation sensor developed by Bosch Sensortec. It combines accelerometer, gyroscope, and magnetometer sensors with a microcontroller to provide accurate and reliable orientation information. Here are the key features and specifications of the BNO055:
Features:
1. 9-Axis Sensor Fusion: The BNO055 integrates three sensor components - accelerometer, gyroscope, and magnetometer - and uses sensor fusion algorithms to provide accurate and stable orientation data.
2. Absolute Orientation Tracking: It can provide absolute orientation information without the need for external reference points or calibration, making it ideal for applications where precise orientation is required.
3. Built-in Sensor Fusion Algorithm: The BNO055 includes an on-chip sensor fusion algorithm that combines data from the accelerometer, gyroscope, and magnetometer to calculate the device's orientation in 3D space.
4. Calibration Assistance: The sensor provides calibration assistance through an integrated algorithm, making it easier to achieve accurate and reliable orientation readings.
5. Digital Interface: It supports I2C (Inter-Integrated Circuit) and UART (Universal Asynchronous Receiver-Transmitter) digital interfaces, allowing easy integration with microcontrollers and other devices.
6. Wide Operating Voltage Range: The BNO055 can operate within a wide voltage range, typically from 2.4V to 5.5V, making it suitable for a variety of power supply systems.
7. On-Chip Temperature Sensor: It includes an on-chip temperature sensor for monitoring the temperature of the device, which can be useful in temperature-compensated applications.
Specifications:
1. Orientation Accuracy: The BNO055 has a typical orientation accuracy of ±3 degrees, enabling precise measurement of roll, pitch, and yaw angles.
2. Gyroscope Range: The gyroscope sensor has a range of ±2000 degrees per second (dps), allowing it to measure rapid rotational movements.
3. Accelerometer Range: The accelerometer sensor has a range of ±2 g, providing accurate measurements of linear acceleration.
4. Magnetometer Range: The magnetometer sensor has a range of ±1300 µT (microtesla), enabling it to measure the Earth's magnetic field and detect compass heading.
5. Operating Temperature Range: The BNO055 can operate within a temperature range of -40°C to +85°C, making it suitable for a wide range of environments.
Applications:
The BNO055 is commonly used in various applications, including:
1. Robotics and Drones: It is used for precise orientation control in robotics and drone applications, enabling accurate stabilization and navigation.
2. Virtual Reality (VR) and Augmented Reality (AR): The sensor is employed in VR and AR systems to track head movements and provide immersive experiences.
3. Gaming: It can be used in gaming controllers and devices to detect motion and provide interactive gaming experiences.
4. Navigation and Orientation Systems: The BNO055 is used in navigation systems, GPS receivers, and orientation-based devices for accurate heading and position estimation.
5. Motion Tracking: It is utilized in motion capture systems, motion tracking devices, and gesture recognition applications.
6. Internet of Things (IoT): The sensor is integrated into IoT devices for orientation sensing and motion detection.
7. Automotive Applications: The BNO055 is used in automotive applications such as advanced driver-assistance systems (ADAS), vehicle tracking, and rollover detection.
Please note that the specific implementation and integration of the BNO055 may vary based on the application requirements and system design considerations. It is recommended to refer to the datasheet and technical documentation provided by Bosch Sensortec for detailed information and usage guidelines.
