1. Киришүү
The WitMotion WT901SDCL is a high-performance 9-axis inclinometer sensor designed for precise attitude measurement. It integrates a 3-axis accelerometer, gyroscope, angle sensor, and magnetometer, utilizing a dynamic fusion algorithm with Kalman filtering for stable and accurate data output with low noise levels. This sensor supports both wired (TTL) and wireless (SD card storage) connections, making it versatile for various applications including PC and Android systems. It offers selectable measurement ranges and an output rate from 0.2Hz to 200Hz.
Figure 1: WitMotion WT901SDCL 9-Axis Inclinometer Sensor
2. Пакеттин мазмуну
Пакетиңизде бардык буюмдар бар экенин текшериңиз:
- 1 x WT901SDCL Sensor
- 1 x 16GB SD карта
- 1 x SD карта окугуч
- 1 x заряддоо кабели
- 1 x Кош келиңиздер үчүн колдонмо
Figure 2: WT901SDCL sensor and included accessories.
3. Орнотуу
3.1. PC Connection and Software Setup
To connect the WT901SDCL sensor to a PC and utilize the WitMotion software, follow these steps:
- Download the relevant tutorial and PC software from the official WitMotion webсайт.
- Install the CH340 driver (if required for your USB-TTL converter) and connect the sensor to your PC using the appropriate cable or adapter.
- Open the MiniIMU.exe software.
- The software should automatically detect the sensor and display real-time data.
Figure 3: Connecting the WT901SDCL sensor to a Windows PC.
Video 1: Demonstration of the WT901 sensor's PC software interface, showing real-time data display, 3D visualization, and calibration procedures.
3.2. Android Connection and App Setup
For Android device connectivity, ensure you have a compatible USB-C adapter (if your phone uses USB-C) and follow these steps:
- Издөө "witmotion" on the Google Play Store and install the official WitMotion app.
- Connect the sensor to your Android device using a USB-TTL converter and a suitable adapter.
- Open the WitMotion app. Select the WT901 model and the appropriate baud rate (e.g., 9600).
- The app will display real-time sensor data.
Video 2: Guide on using the WitMotion BWT901CL sensor with an Android smartphone, demonstrating connection, data display, and calibration.
4. Иштөө нускамалары
4.1. Data Monitoring and Visualization
The WitMotion software (PC) and app (Android) provide various interfaces for monitoring and visualizing sensor data:
- Колдонуучу интерфейси: Displays real-time Pitch, Roll, and Yaw angles.
- Data Chart: Visualizes acceleration, angular velocity, angle, and magnetic field data over time.
- 3D Demo: Provides an intuitive 3D representation of the sensor's motion state.
Figure 4: WitMotion PC software interface showing real-time angle data and 3D visualization.
Figure 5: 3D demonstration of sensor motion within the software.
4.2. Калибрлөө
To ensure optimal accuracy, periodic calibration of the sensor is recommended:
- Acceleration Calibration: Place the sensor on a stable, horizontal surface. Access the calibration menu in the software/app and initiate acceleration calibration.
- Magnetic Field Calibration: This process helps reduce bias drift. Rotate the sensor slowly around all three axes (X, Y, and Z) while following the on-screen instructions in the software/app.
Video 3: Detailed demonstration of acceleration and magnetic field calibration procedures using the WitMotion PC software.
4.3. Data Logging and Storage
The WT901SDCL features SD card storage for data logging. Data can be recorded and reviewed directly from the SD card or through the connected PC/Android device.
- SD карта сактагычы: The sensor can record data directly to the included 16GB SD card for offline analysis.
- Real-time Data Review: Connect the sensor to a PC or Android device to view and record data in real-time.
Figure 6: WT901SDCL sensor with SD card inserted for data logging.
5. Техникалык тейлөө
To ensure the longevity and optimal performance of your WT901SDCL sensor, observe the following maintenance guidelines:
- Keep the sensor clean and free from dust and debris. Use a soft, dry cloth for cleaning.
- Avoid exposing the sensor to extreme temperatures, humidity, or direct sunlight for prolonged periods.
- Handle the sensor with care to prevent physical damage.
- Ensure proper storage in a cool, dry place when not in use.
- Regularly check for firmware updates on the WitMotion official webмайнаптуулугун жогорулатуу жана жаңы мүмкүнчүлүктөрдү пайдалануу үчүн сайт.
6. Кыйынчылыктарды
If you encounter issues with your WT901SDCL sensor, refer to the following common problems and solutions:
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| No data output on PC/Android. | Incorrect driver installation, loose connection, incorrect baud rate, sensor not powered on. | Verify driver installation, check cable connections, ensure sensor is powered, select correct baud rate in software/app. |
| Inaccurate angle readings. | Sensor not calibrated, magnetic interference. | Perform acceleration and magnetic field calibration. Move sensor away from strong magnetic fields. |
| SD карта таанылган жок. | SD card improperly inserted, corrupted SD card, incompatible format. | Reinsert SD card correctly. Try formatting the SD card (backup data first). Use a different SD card if necessary. |
| Software/App crashes or freezes. | Outdated software/app version, system incompatibility. | Update software/app to the latest version. Ensure your operating system meets the minimum requirements. |
7. Техникалык шарттар
| Параметр | Нарк |
|---|---|
| Модель номери | WT901SDCL |
| аты | 9-axis Acceleration Data Logger |
| Supply Voltage | 3.7V (battery) / 5V (USB power) |
| Учурдагы керектөө | <40mA (recording), <50uA (Standby) |
| Өлчөмдөр | 51.3мм x 36мм x 15мм |
| Интерфейс | TTL wired communication / SD card wireless storage |
| Measurement Axes | 3-axis (acceleration, gyroscope, angle, magnetic field) quaternion |
| Ылдамдатуу диапазону | ±2/4/8/16g (optional) |
| Angular Speed Range | ±2000°/с |
| Бурч диапазону | Angle X, Z ±180° Y ±90° |
| Туруктуулук | Acceleration: 0.01g, Angular velocity: 0.05°/s |
| Бурчтун тактыгы | X Y axis dynamic 0.1°, static 0.05° Z axis 1° |
| Магнит талаасынын тактыгы | 1 мг |
| Attitude Stability | 0.01° |
| Output Content | Time, acceleration, angular velocity, angle, magnetic field |
| Чыгуу жыштыгы | 0.1–200Hz (default 200Hz) |
| Bod Rate | 2400bps–921600bps |
| Батареянын иштөө мөөнөтү | 4 hours (wireless connection) |
Figure 7: Physical dimensions of the WT901SDCL sensor.
8. Кепилдик жана колдоо
WitMotion provides comprehensive support for its products:
- Кепилдик: A 12-month quality guarantee is provided for the WT901SDCL sensor.
- Tutorials and Resources: Tutorial links are printed on the guide card included in the package. Additional resources, including software downloads and detailed documentation, are available on the official WitMotion webсайт.
- Кардарларды тейлөө: For any questions or issues, please contact WitMotion customer support. We are committed to providing satisfactory service and solutions.