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  • WT901

    9-axis Module Gyroscope Attitude Sensor WT901

    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

    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 ℃

    Impact resistance

    Application

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    Video