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WT901BLE BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english

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Step 3. Click OK once the calibration done.
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°.

Summary of Contents for WT901BLE

Page 1: ...WT901BLE BLE5 0 manual v0707 http wiki wit motion com english 1 USER MANUAL WT901BLE BLE5 0 Bluetooth 5 0 Inclinometer Sensor...

Page 2: ...at you need in the provided documents please contact our support team Our engineering team is committed to providing the required support necessary to ensure that you are successful with the operation...

Page 3: ...n 7 2 1 2 BLE 5 0 Adapter Connection 10 2 2 Software Introduction 11 2 2 1 Main Menu 11 2 2 2 Menu of Configuration 12 2 3 Calibration 15 2 3 1 Accelerometer Calibration 15 2 3 2 Magnetic Field Calibr...

Page 4: ...nual v0707 http wiki wit motion com english 4 3 Use Instructions with Android phone 28 3 1 APP Installation 28 3 2 Connection 29 3 3 Calibration 31 3 3 1 Acceleration Calibration 31 3 3 2 Magnetic Fie...

Page 5: ...thm which can calculate the three axis angle accurately It is employed where the highest measurement accuracy is required WT901BLE BLE5 0 offers several advantages over competing sensor Heated for bes...

Page 6: ...ill lead to the burning of the circuit board For proper instrument grounding use WITMOTION with its original factory made cable or accessories Do not change the baud rate because WITMOTION BLUETOOTH s...

Page 7: ...tions with PC 2 1 PC Connection PC software is only compatible with Windows system Link to download software 2 1 1 Serial Connection Step 1 Connect the sensor with a serial converter PIN Connection VC...

Page 8: ...which accessory for usage Link to tutorial of 3 in 1 serial converter TTL serial cable CH340 driver Link to tutorial of 6 in 1 serial converter CP2102 driver Step 3 Confirm the com port in device man...

Page 9: ...WT901BLE BLE5 0 manual v0707 http wiki wit motion com english 9...

Page 10: ...CP2102 driver link Step 1 Insert adapter into the USB port in the beginning Step 2 Power on the sensor after blue light of adapter flashes Step 3 Wait till the adapter s blue LED light keeps on means...

Page 11: ...ide Record Record function 3D 3D DEMO Config Configuration setting Help Language English or Chinese Bluetooth Set Binding device or unbind Firmware update Option for firmware update About Minimu Info...

Page 12: ...ual v0707 http wiki wit motion com english 12 Close Close com port 2 2 2 Menu of Configuration Menu of Configuration Button Function Read Config Reading the current configuration Calibrate Time Calibr...

Page 13: ...ibrate Button Function Acceleration Accelerometer calibration Magnetic Field Magnetometer calibration Reset Height Reset height data to 0 only for sensor built in barometer including WT901B WTAHRS2 WT...

Page 14: ...WT901BLE BLE5 0 manual v0707 http wiki wit motion com english 14 Menu of Communication Button Function Output Rate Return rate selection...

Page 15: ...ge 2 3 1 Accelerometer Calibration Purpose The accelerometer calibration is used to remove the zero bias of the accelerometer Before calibration there will be different degrees of bias error After cal...

Page 16: ...WT901BLE BLE5 0 manual v0707 http wiki wit motion com english 16 Step 4 Check the result confirm if there is 1g on Z axis acceleration...

Page 17: ...en it is manufactured If it is not calibrated it will bring a large measurement error which will affect the accuracy of the measurement of the z axis angle of the heading angle Preparation 1 Sensors s...

Page 18: ...p wiki wit motion com english 18 Step 3 Click OK once the calibration done 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...

Page 19: ...s angle can be used The z axis angle is an absolute angle and it takes the northeast sky as the coordinate system can not be relative to 0 degree Z axis to 0 is to make the initial angle of the z axis...

Page 20: ...is no memory chip in the sensor module and the data can be recorded and saved on the computer Method is as follows Click Record and Start will save the data as a TXT file The saved file is in the dire...

Page 21: ...WT901BLE BLE5 0 manual v0707 http wiki wit motion com english 21 It is highly recommended that data can be pasted to a Excel file In this way all data will be shown in order...

Page 22: ...ng recorded file each time there will a BIN file created in the folder of record file in path of installed software meanwhile Recorded data playback method Step 1 Disconnect the sensor Step 2 Click Fi...

Page 23: ...WT901BLE BLE5 0 manual v0707 http wiki wit motion com english 23 Step 4 Click Run and the Binary file will be playback When playback the rate can be editable...

Page 24: ...t installation direction of the module is horizontal When the module needs to be installed vertically the vertical installation can be set Step 1 Rotate the module 90 degrees around the X axis Step 2...

Page 25: ...idth Default bandwidth is 20HZ Explanation 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 F...

Page 26: ...The waveform will show more fluctuation 2 The higher rate of bandwidth will solve the data repeating problem For example if the bandwidth setting is 20Hz retrieval rate as 50Hz there will be 5 repeati...

Page 27: ...ulated 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 i...

Page 28: ...1 It is required to allow for application positioning Always allowed and power on the positioning function and Bluetooth Note Paired devices can be searched without turning on positioning but accordin...

Page 29: ...7 http wiki wit motion com english 29 3 2 Connection Step 1 Install the APK file give permission of Location and Storage Step 2 Open APP and choose BLE 5 0 Series as sensor series Step 3 power on the...

Page 30: ...BLE5 0 manual v0707 http wiki wit motion com english 30 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 automa...

Page 31: ...tion Link to calibration demo 3 3 1 Acceleration Calibration Step 1 Keep the module horizontally stationary Step 2 Click the Calibration menu Step 3 Click the Acceleration Calibration and wait for 3 s...

Page 32: ...menu Step 2 Click the Magnetic calibration button Step 3 Slowly rotate the module 360 around X Y Z 3 axis accordingly Step 4 After rotation click Finish Check the result The Z axis angle will have le...

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