> For the complete documentation index, see [llms.txt](https://longer-vision-robot.gitbook.io/arduino-full-stack/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://longer-vision-robot.gitbook.io/arduino-full-stack/11_more_advanced_sensors/02_imu_bno055.md).

# 11.2 IMU - BNO055

IMU refers to [Inertial Measurement Unit](https://en.wikipedia.org/wiki/Inertial_measurement_unit). On Adafruit official website, one of its suggested IMU is [BNO055](https://www.adafruit.com/product/2472).

The course content for IMU is **NOT** to be disclosed on the Internet. However, how to wire BNO055 with an Arduino and measure the 9-DOF (degree of freedom) data can be found at

* <https://learn.adafruit.com/adafruit-bno055-absolute-orientation-sensor/>.