An Inertial Measurement Unit or IMU sensor uses a combination of accelerometers, gyroscopes and magnetometers to report on the force, angular rate and orientation of a body in motion.

Magnetometer#

• WitMotion High-Precision RM3100 Military-grade MagnetometerContent unavailable! (broken link)https://service.robots.org.nz/wiki/images/out.png (Sensor Magnetic Field Module Digital Electronic Compass For MCU, about US$40)

Comparison of various IMUs:#

Adafruit's "learn" pages include a comparisonContent unavailable! (broken link)https://service.robots.org.nz/wiki/images/out.png of the following boards:

• L3GD20Content unavailable! (broken link)https://service.robots.org.nz/wiki/images/out.png 3 Axis MEMS Gyroscope - ST
• FXAS21002CContent unavailable! (broken link)https://service.robots.org.nz/wiki/images/out.png 3 Axis MEMS Gyroscope - NXP
• LSM9DS0Content unavailable! (broken link)https://service.robots.org.nz/wiki/images/out.png 9 Axis* MEMS Sensor (Accel + Mag + Gyro) - ST
• LSM9DS1Content unavailable! (broken link)https://service.robots.org.nz/wiki/images/out.png 9 Axis* MEMES Sensor (Acce + Mag + Gyro) - ST
• MPU-9250Content unavailable! (broken link)https://service.robots.org.nz/wiki/images/out.png 9 Axis* MEMS Sensor (Accel + Mag + Gyro) - Invensense
• BMI055Content unavailable! (broken link)https://service.robots.org.nz/wiki/images/out.png 6 Axis MEMS Sensor (Accel + Gyro) - Bosch (Used in the BNO055)

Pages Tagged as 'IMU'#

References#

• Comparing Gyroscope DatasheetsContent unavailable! (broken link)https://service.robots.org.nz/wiki/images/out.png from Adafruit
• Inertial Measurement UnitContent unavailable! (broken link)https://service.robots.org.nz/wiki/images/out.png on Wikipedia
• How to Fuse Motion Sensor Data into AHRS Orientation (Euler/Quaternions)Content unavailable! (broken link)https://service.robots.org.nz/wiki/images/out.png (Adafruit Learning)