WiT WT901BLECL User Manual
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USER MANUAL
WT901BLECL BLE5.0
Bluetooth 5.0 Inclinometer Sensor
WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english
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Summary of Contents for WiT WT901BLECL

  • Page 1 USER MANUAL WT901BLECL BLE5.0 Bluetooth 5.0 Inclinometer Sensor WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 1 -...
  • Page 2: Tutorial Link

    Application ● AGV Truck ● Platform Stability ● Auto Safety System ● 3D Virtual Reality ● Industrial Control ● Robot ● Car Navigation ● UAV ● Truck-mounted Satellite Antenna Equipment WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 2 -...
  • Page 3: Table Of Contents

    2.4.1 Data Recording ................- 18 - 2.4.2 Data Playback .................. - 20 - 2.4.3 Placement Direction ..............- 22 - 2.4.4 Bandwidth ..................- 23 - 2.4.5 6-axis/ 9-axis Algorithm ............. - 25 - WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 3 -...
  • Page 4 3.1 APP Installation ................... - 26 - 3.2 Connection ....................- 27 - 3.3 Calibration ..................... - 29 - 3.3.1 Acceleration Calibration ............... - 29 - 3.3.2 Magnetic Field Calibration ............- 30 - WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 4 -...
  • Page 5: Introduction

    Introduction The WT901BLECL BLE5.0 is a multi-sensor device detecting acceleration, angular velocity, angle as well as magnetic filed. The robust housing and the small outline makes it perfectly suitable for industrial retrofit applications such as condition monitoring and predictive maintenance. Configuring the device enables the customer to address a broad variety of use cases by interpreting the sensor data by smart algorithms.
  • Page 6: Warning Statement

    WITMOTION with its compiled sample code. LED Status Status Remark Keeping on Charging (powered by a universal Micro-USB data cable) Flash once and then Standby Blue disappear Flashing Pairing succeeds WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 6 -...
  • Page 7: Use Instructions With Pc

    Step 4. Open the software(Minimu.exe) Data will appear after auto-search finishes Notice: If not successful, please operate manually Choose the com port and baud rate 115200, data will be shown on the software. WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 7 -...
  • Page 8 WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 8 -...
  • Page 9: Ble 5.0 Adapter Connection

    Step 3. Wait till the adapter's blue LED light keeps on Step 4. Sensor’s Blue LED light remaining flashing means pairing succeeded Step 5. Open the software, Minimu.exe Step 6. Data will appear once the auto-search finished WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 9 -...
  • Page 10: Software Introduction

    Auto-search Auto searching the sensor Port Com port selection Baud Baud rate selection Type Fixed setting as Bluetooth 5.0 for WT901BLECL BLE5.0 Open Open com port Close Close com port WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 10 -...
  • Page 11: Menu Of Configuration

    Reset to factory setting Sleep Sleep function, not available for Bluetooth sensor series Algorithm 6-axis algorithm or 9-axis Installation Direction Vertical or horizontal installation Instruction Start-up Instructions sending to start-up the sensor WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 11 -...
  • Page 12 Menu of Range Button Function Acceleration Acceleration measurement range (2/4/8/16g/s2) Gyro Gyroscope measurement range (250/500/1000/2000 deg/s) Band Width Bandwidth range (5/10/20/42/98/188/256Hz) Menu of Communication Button Function Output Rate Return rate selection WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 12 -...
  • Page 13: Calibration

    After calibration, the measurement will be accurate. Methods: Step 1. Keep the module horizontally stationary Step 2. Click the acceleration in the “Config” and wait for 5 seconds Step 3. Calibration done if OK shows WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 13 -...
  • Page 14 Step 4. Check the result--confirm if there is 1g on Z-axis acceleration WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 14 -...
  • Page 15: Magnetic Field Calibration

    2. The value of H in magnetic field must be lower than 350. Methods: Step 1. Open the Config menu. Step 2. Click the “magnetic field” and slowly rotate the sensor 360° around X, Y, Z, 3-axis accordingly. WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 15 -...
  • Page 16 Step 4. Place the sensor horizontally stationary and make the Y axis point to the north. Step 5. Check the data of Z axis angle, it’s ok if the value is about 0°. WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 16 -...
  • Page 17: Gyroscope Automatic Calibration

    Z-axis Angle” in the “Config”, you will see the angle of the Z axis backs to 0 degree in the “Data”. 2.3.5 Reset Height to 0 Only available for the module built-in barometer like WT901B, HWT901B, WTGAHRS1, WTGAHRS2. WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 17 -...
  • Page 18: Configuration

    Method is as follows: Click “Record” and “Start” will save the data as a TXT file. The saved file is in the directory of the upper computer program Data.tsv: the beginning of the file has the value corresponding to the data. WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 18 -...
  • Page 19 It is highly recommended that data can be pasted to a Excel file. In this way, all data will be shown in order. WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 19 -...
  • Page 20: Data Playback

    Recorded data playback method: Step 1: Disconnect the sensor Step 2: Click “File” Button and then click “Load” Step 3: Choose the original path of software installation and load the Bin file WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 20 -...
  • Page 21 Step 4: Click “Run” and the Binary file will be playback When playback, the rate can be editable. WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 21 -...
  • Page 22: Placement Direction

    Step 1: Rotate the module 90 degrees around the X-axis Step 2: Place the sensor 90 degrees vertically Step 3: Click “Vertical” as install directions on the “Config” menu WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 22 -...
  • Page 23: Bandwidth

    1. The higher rate of bandwidth setting will lead to higher fluctuation in data waveform. Conversely, the lower rate of bandwidth, data will become more fluent. For example: Bandwidth as 50Hz, Output rate as 5Hz. The waveform is very steady. WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 23 -...
  • Page 24 For example, if the bandwidth setting is 20Hz, retrieval rate as 50Hz, there will be 5 repeating data. If you prefer there is no repeating data, it is required to increase the bandwidth more than 50Hz. WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 24 -...
  • Page 25: 6-Axis/ 9-Axis Algorithm

    9-axis algorithm: Z-axis angle is mainly calculated and analyzed based on the magnetic field. Z-axis angle will have few drift. The default algorithm of WT901BLECL is 9-axis. If there is magnetic field interference around installed environment, it is recommended to switch to 6-axis algorithm to detect the angle.
  • Page 26: Use Instructions With Android Phone

    Android (6.0) mobile phone is paired with a Bluetooth device, positioning must be allowed when using Bluetooth at the same time. 2. After turning on Bluetooth, it takes about one minute to search for authorization to find Bluetooth. WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 26 -...
  • Page 27: Connection

    Step 1. Install the APK file, give permission of Location and Storage Step 2. Open APP and choose “BLE 5.0 Series” Step 3: Turn on the sensor and scan the device Note: The device will show as “WT901BLE”+“MAC address” WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 27 -...
  • Page 28 Step 4. When pairing is done, the blue LED light of the sensor will flash and keep about one second After a few seconds, the data will show automatically WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 28 -...
  • Page 29: Calibration

    Step 1. Keep the module horizontally stationary Step 2. Click the “Calibration” menu Step 3. Click the “Acceleration Calibration” and wait for 3 seconds Step 5. Check the result--confirm if there is 1g on Z-axis acceleration WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 29 -...
  • Page 30: Magnetic Field Calibration

    Check the result: The Z-axis angle will have less drift than before. Notice: If there is drift of Z-axis, please stay away from the objective that can create magnetic field interference. WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english - 30 -...

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