IMU100-BL Bluetooth AHRS Sensor for Human Motion Tracking and Rehabilitation Monitoring with Low Noise and High Drift Stability

• Medical Rehabilitation Equipment
• Human Motion Capture Systems
• Limb Movement Monitoring
• Human Posture Measurement
• Rehabilitation Training Equipment
• 3D Motion Tracking Systems
• Wearable Motion Monitoring Devices
• Robotic Motion Monitoring

• 9-Axis MEMS Sensor Fusion
• Real-Time 3D Attitude Measurement
• USB 2.0 and Bluetooth 5.1 Dual Output
• Kalman Filtering Algorithm
• Temperature Compensation
• Maximum 100 Hz Data Update Rate
• Attitude and 9-Axis Motion Data Output
• Up to 40 m Bluetooth Transmission Distance
• Multi-Device Networking Synchronization
• User Parameter Storage After Power Failure
• BLE Wireless Firmware Upgrade
• Compact and Lightweight Design
• DC 3.0–4.2 V Power Supply
• Low Noise and High Drift Stability

The IMU100-BL is a compact Bluetooth AHRS sensor designed for 3D attitude measurement, human motion tracking, and posture monitoring. Integrating a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer, it provides real-time 9-axis motion data and attitude information through an integrated Kalman filtering algorithm and temperature compensation technology.

Supporting both USB 2.0 and Bluetooth 5.1 communication, the IMU100-BL offers flexible data acquisition for different system integration requirements. Its BLE wireless communication supports transmission distances of up to 40 meters in unobstructed line-of-sight environments. The sensor also features parameter storage after power failure, wireless firmware upgrades, and multi-device synchronization, making it suitable for human motion capture, rehabilitation equipment, and industrial attitude monitoring systems.

The IMU100-BL attitude heading reference integrates a three-axis gyroscope, a three-axis acceleration and a three-axis magnetic field meter, combines a Kalman filtering algorithm and an acceleration correction angular velocity initial attitude principle, corrects and determines the drift of the gyroscope in the horizontal direction (pitch angle and roll angle), Finally, the azimuth angle, pitch angle and roll angle of the moving carrier are calculated by nine-axis operation. The operation mode is divided into 6-axis and 9-axis. The 6-axis mode adopts the fusion algorithm of three-axis acceleration and three-axis gyroscope to dynamically output the real-time attitude angle, in which the azimuth angle is integrated by the gyroscope and is used to measure the relative azimuth angle. The 9-axis mode adds a three-axis magnetic field to the 6-axis mode, and the output azimuth is the magnetic azimuth (note: this application should avoid the environmental interference of magnetic objects such as iron).

IMU100-BL 9-axis heading module software block diagram

1. What measurement data does the IMU100-BL provide?

The IMU100-BL provides real-time attitude data, three-axis acceleration, three-axis angular velocity, and three-axis magnetic field data.

2. Does the IMU100-BL support both wired and wireless communication?

Yes. It supports USB 2.0 and Bluetooth 5.1 output, offering flexible options for data acquisition and system integration.

3. What is the maximum data update rate?

The IMU100-BL supports a maximum update rate of 100 Hz for real-time motion and attitude monitoring.

4. Can the sensor be used for human motion capture and rehabilitation monitoring?

Yes. Its compact design and real-time 3D attitude measurement make it suitable for limb movement tracking, human posture monitoring, and rehabilitation equipment.

5. Does the IMU100-BL support multi-device synchronization?

Yes. It supports multi-device networking synchronization for applications requiring data acquisition from multiple measurement units.

6. Are user parameters retained after power failure?

Yes. Its on-chip Flash IAP technology allows configured user parameters to be retained after power loss.

7. What is the Bluetooth transmission distance?

The Bluetooth 5.1 module supports transmission distances of up to 40 meters under unobstructed line-of-sight conditions.