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Virtual reality is popular, but access to the technology that powers it shouldn't cost hundreds of dollars. Fortunately, the SparkFun VR IMU Breakout can help with that. CEVA's BNO086 is the central component of the system. It is a 32-bit ARM Cortex M0+ combined triple-axis accelerometer/gyro/magnetometer System in Package (SiP). With a static rotation inaccuracy of no more than two degrees, the BNO086 Inertial Measurement Unit (IMU) generates precise rotation vector headings that are well suited for virtual reality and other heading applications. We have been waiting for the VR IMU, which combines and drift-corrects all of the sensor data to produce accurate and relevant IMU information. It is ideal for any project where motion or orientation detection is required.
Two I2C Qwiic connectors have also been added to this IMU breakout board to facilitate a more straightforward interface with the small QFN packaging. Since it's a component of SparkFun's Qwiic connect system, figuring out how things are oriented won't require any soldering. If you would rather utilise a breadboard, we still have broken out 0.1"-spaced pins available.
The BNO080 was created to be integrated into Android-based mobile phones, enabling you to use your phone to perform all the calculations required for virtual reality goggles. CEVA provides the updated feature-rich drop-in replacement BNO086 (14-bit accelerometer fusion, reduced idle state power, and Interactive Calibration) with the BNO080 EOL. The sensor has a sophisticated interface because of its great power. There are two alternative I2C addresses that you can choose from on the board because of the solder jumpers. However, the sensor can also communicate via SPI and UART if I2C is not your first choice for communication! Additionally, we have created an I2C-based library that offers the following features: step counting, acceleration, gyro and magnetometer readings, rotation vector—the reading that most people desire from an IMU and activity classifier such as riding a bike.
FAQs:
Q: What is the main function of the SparkFun VR IMU Breakout?
A: The SparkFun VR IMU Breakout is designed for accurate orientation and motion sensing, primarily in VR applications but also suitable for other projects needing precise IMU data.
Q: What sensors are integrated into the BNO086 IMU?
A: The BNO086 IMU includes a triple-axis accelerometer, gyroscope, and magnetometer in a single package.
Q: What communication interface does the breakout board use?
A: The breakout board features the Qwiic connect system, using I2C communication for easy connection and simplified wiring.
Q: What is the accuracy of the IMU's rotation vector headings?
A: The BNO086 IMU boasts a static rotation error of two degrees or less, ensuring precise rotation vector headings.
Q: Are there software libraries available for using the BNO086 IMU?
A: Yes, SparkFun provides an Arduino library for the BNO086 IMU, making it easier to integrate into your projects.
