MMRL 9-axis IMU
MetaMotionRL
9-axis IMU and environment monitoring sensor
A wearable device that offers real-time and continuous monitoring of motion and environmental sensor data.
- Weight
- 0.2 oz
- In case
- 27 × 27 × 4 mm
- NOR flash
- 8 MB
- Wireless
- BLE 4.0
Overview
Light. Wearable. Rechargeable. Powerful.
- Gyroscope, accelerometer, magnetometer and sensor fusion.
- Data may also be logged in the 8MB NOR flash memory.
- A water-resistant case can be added to bands and more.
- Free, open-source APIs and apps for fast data acquisition.
Inside
9-axis IMU + Bosch Kalman filter sensor fusion
The sensor fusion algorithm combines inertial and magnetic measurements to provide drift-free orientation.
Technical specifications
Built for real-world data collection
Unobtrusive monitoring and clinical quality observation. Record in the lab or at home with no hassle. Obtain accurate and precise sensor data.
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Weight
Ultra lightweight at just 0.2 oz
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Synchronized timestamps
All data is timestamped for synchronization purposes
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LiPo battery
70–100 mAh, micro-USB rechargeable. Charging time: 2 h
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Splash resistant
IP40 plastic case snaps together
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Regulatory compliance
CE, FCC, IC, RoHS
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Programmable
Swift, C++, Java, JavaScript and Python APIs used to communicate with the device
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Miniature form factor
27 mm × 27 mm × 4 mm in case
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Usage modes
Streaming: 8–24 h. Recording: 2–48 h
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Low power consumption
Sleep mode supports 6 months idle time and 1 week active time
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Data transfer
Bluetooth Low Energy 4.0 Smart®
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Flash memory
8MB NOR. Up to 1M data entries
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Typical usage
Patient monitoring, motion capture, STEM learning and more
Specification
Sensor specification
Ideal for monitoring fast moving objects, humans or animals. Great for scientific and patient studies in clinical settings.
Sensors
Gyroscope
- Range
- ±125, ±250, ±500, ±1000, ±2000 °/s
- Resolution
- 16 bit
- Sample rate
- 0.001 Hz – 100 Hz stream, 800 Hz log
Accelerometer
- Range
- ±2, ±4, ±8, ±16 g
- Resolution
- 16 bit
- Sample rate
- 0.001 Hz – 100 Hz stream, 800 Hz log
Magnetometer
- Range
- ±1300 μT (x, y-axis), ±2500 μT (z-axis)
- Resolution
- 0.3 μT
- Sample rate
- 0.001 Hz – 25 Hz
Sensor fusion
- Outputs
- Quaternion, Euler angles (yaw, pitch, roll), linear acceleration, Earth acceleration (gravity), robust heading
- Accuracy
- < 1° RMS
- Sample rate
- 100 Hz
Interfaces
IOs
- Channels
- 2 (with 4 additional SMP IOs under the board)
- Range
- 0 V to 3.1 V
- Resolution
- 10-bit
Serial
- Available
- I2C and SPI
- Voltage
- 3.0 V
Memory
- On-board
- Programmable push-button and LED
- Memory
- 8MB NOR flash memory – store up to 1M sensor data entries
Software
Develop your own apps
Our APIs support Android, iOS, Windows and Linux development. Platforms supported include Xcode, Android Studio and Visual Studio.
Our open-source APIs are available in Swift, C++, C#, Java, and JavaScript. Additional documentation, tutorials, and free example apps are available.
Have a project in mind?
Since 2013 we have helped companies, startups and universities collect sensor data. Tell us what you are building.