U171 IMU Pro Mini Unit M5Stack U171 Inertial Motion Unit (IMU) Pro Mini Unit incorporates six-axis attitude sensors (BMI270), a three-axis geomagnetic sensor (BMM150), and an atmospheric pressure sensor (BMP280). This integrated and versatile IMU unit can achieve 0.05% precision for object acceleration measurement and 0.05°/s for angular velocity with programmable configurations. The U171 unit includes an IMU pro mini unit and HY2.0-4P cable (5cm). This IMU unit comes in 136mm x 92mm x 10mm package dimensions. The U171 IMU unit is used in automation control, robot technology, aero craft navigation, and geolocation applications.