The Pi IMU is a miniature, gyro-enhanced Attitude and Heading Reference System (AHRS). Its internal low-power signal processor provides drift-free 3D orientation as well as calibrated 3D acceleration, 3D rate of turn (rate gyro) and 3D earth-magnetic field data.

The IMU employs three rate-gyros to track rapidly changing orientations in 3D, and a tri-axis accelerometer (±5g each axis). It measures the direction of gravity and Magnetic North, to
provide a stable reference. The system's real-time algorithm uses the sensor information to calculate accurate 3D orientation, with a highly dynamic response and stability over time.
The data from the sensors is combined into an RS232 data stream for input into a compatible logger.

Main features

  • Accurate full 360 degrees 3D orientation output (attitude and heading);
  • Highly dynamic response combined with long-term stability;
  • 3D acceleration, 3D rate of turn, 3D earth-magnetic field data;
  • 100Hz update rate with Pi Sigma and 50Hz update rate with Pi Delta;

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File: Pi IMU
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