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  • WT901

    WT901 9-axis Module Gyroscope Attitude Sensor

    Overview

    【Rock-solid Data Output】200Hz real time output of Euler angles (Roll, Pitch, Yaw), quaternion, acceleration, angular velocity, maintaining rock-stable performance even in dynamic environments.

    【Sensor Fusion System】MEMS-based triaxial sensors: Integrated with attitude dynamics core engine and high-dynamic Kalman filtering, enabling accurate motion capture and attitude estimation for diverse industrial applications.

    High-performance ModuleAdopts advanced crystal gyroscope and 32-bit processor: achieves 200Hz output and dynamic angle accuracy of 1°.

    【Sensor Fusion System】MEMS-based triaxial sensors: Integrated with attitude dynamics core engine and high-dynamic Kalman filtering, enabling accurate motion capture and attitude estimation for diverse industrial applications.

    【Precision Calibration】Customized high-resolution turntable + self-developed algorithms: High-precision calibration system enhances measurement accuracy through advanced equipment and proprietary calibration techniques.

    【Comprehensive Development Documentation】Full toolkit for R&D efficiency: Includes PC software, development manuals, and sample codes to minimize development time for diverse requirements, accelerating product deployment

    Specifications

    Accelerometer parameters

    Parameter

    Condition

    Typical value

    Range


    ±16g

    Resolution

    ±16g

    0.0005(g/LSB)

    RMS noise

    Bandwidth = 100Hz

    0.75~1mg-rms

    Static zero drift

    Horizontal placement

    ±20~40mg

    Temperature drift

    -40°C ~ +85°C

    ±0.15mg/℃

    Bandwidth


    5~256Hz

    Gyroscope parameters


    Parameter

    Condition

    Typical value

    Range


    ±2000°/s

    Resolution

    ±2000°/s

    0.061 (°/s)/LSB

    RMS noise

    Bandwidth = 100Hz

    0.028~0.07(°/s)-rms

    Static zero drift

    Horizontal placement

    ±0.5~1°/s

    Temperature drift

    -40°C ~ +85°C

    ±0.005~0.015 (°/s)/℃

    Bandwidth


    5~256Hz

    Zero bias stability

    10 smoothing (1σ)

    3.19°/h

    Zero bias instability

    Allan variance

    2.24°/h

    Magnetometer parameters



    Parameter

    Condition

    Typical values

    Range


    ±2Gauss

    Resolution

    ±2Gauss

    6.67nT/LSB

    Pitch and roll parameters

    Parameter

    Condition

    Typical value

    Range


    X: ±180°; Y: ±90°

    Tilt accuracy


    0.2°

    Resolution

    Horizontal placement

    0.0055°

    Temperature drift

    -40°C ~ +85°C

    ±0.5~1°

    Heading angle parameters

    Parameter

    Condition

    Typical value

    Range


    Z:±180°

    Heading accuracy

    9-axis algorithm, magnetic field calibration, dynamic/static

    0.1°
    (without magnetic field interference)[1]


    6-axis algorithm, static

    0.5°

    (Dynamic integral cumulative error exists)

    [2]

    Resolution

    Horizontal placement

    0.0055°

    Note:

    [1] In some vibration environments, there will be cumulative errors. The specific error cannot be estimated and should be based on actual testing.

    [2] In some vibration environments, there will be cumulative errors. The specific error cannot be estimated and will be determined based on actual testing.

    Basic parameters

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    Parameter

    Condition

    Minimum value

    Default

    Maximum value

    Communication interface

    UART

    4800bps

    115200bps

    230400bps

    Hardware I2C

    400K
    Simulating I2C

    100K

    Output content


    chip time, 3-axis acceleration, 3-axis angular velocity, 3-axis magnetic field, 3-axis angle, quaternion, port status

    Sampling frequency

     0.2HZ

    10HZ

    200HZ

    Startup time


    1000ms

    Operating temperature


    -40℃


    85℃

    Storage temperature


    -40 ℃


    85 ℃

    Application

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    Video