WiT WT901BLECL User Manual Download Page 1

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WT901BLECL BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english

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USER MANUAL

WT901BLECL BLE5.0

Bluetooth 5.0 Inclinometer Sensor

Summary of Contents for WT901BLECL

Page 1: ...WT901BLECL BLE5 0 manual v0707 http wiki wit motion com english 1 USER MANUAL WT901BLECL BLE5 0 Bluetooth 5 0 Inclinometer Sensor...

Page 2: ...that 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 operati...

Page 3: ...on 7 2 1 2 BLE 5 0 Adapter Connection 9 2 2 Software Introduction 10 2 2 1 Main Menu 10 2 2 2 Menu of Configuration 11 2 3 Calibration 13 2 3 1 Accelerometer Calibration 13 2 3 2 Magnetic Field Calibr...

Page 4: ...anual v0707 http wiki wit motion com english 4 3 Use Instructions with Android Phone 26 3 1 APP Installation 26 3 2 Connection 27 3 3 Calibration 29 3 3 1 Acceleration Calibration 29 3 3 2 Magnetic Fi...

Page 5: ...in the algorithm which can calculate the three axis angle accurately It is employed where the highest measurement accuracy is required WT901BLECL BLE5 0 offers several advantages over competing sensor...

Page 6: ...ircuit board For proper instrument grounding use WITMOTION with its original factory made cable or accessories Do not access the I2C interface Do not change the baud rate because WitMotion Bluetooth s...

Page 7: ...Instructions Video link 2 1 1 Serial Connection Step 1 Connect the sensor with a data cable Step 2 Install the driver CH340 Download Link Step 3 Confirm the com port in device manager Step 4 Open the...

Page 8: ...WT901BLECL BLE5 0 manual v0707 http wiki wit motion com english 8...

Page 9: ...t adapter into the USB port in the beginning Step 2 Turn on the switch of the sensor after blue light of adapter flashes Step 3 Wait till the adapter s blue LED light keeps on Step 4 Sensor s Blue LED...

Page 10: ...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 about Minim...

Page 11: ...the current configuration Calibrate Time Calibration time of chip Menu of System Button Function Reset Reset to factory setting Sleep Sleep function not available for Bluetooth sensor series Algorith...

Page 12: ...ing WT901B WTAHRS2 WTHARS1 HWT901B Reset Z axis Angle Reset Z axis angle to 0 degree not available for WT901BLECL BLE5 0 in 9 axis algorithm Gyro Auto Calibrate Auto calibration of gyroscope Menu of R...

Page 13: ...age 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 ca...

Page 14: ...WT901BLECL BLE5 0 manual v0707 http wiki wit motion com english 14 Step 4 Check the result confirm if there is 1g on Z axis acceleration...

Page 15: ...hen 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...

Page 16: ...tp wiki wit motion com english 16 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 17: ...Z axis 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...

Page 18: ...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 dir...

Page 19: ...WT901BLECL BLE5 0 manual v0707 http wiki wit motion com english 19 It is highly recommended that data can be pasted to a Excel file In this way all data will be shown in order...

Page 20: ...ing 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 F...

Page 21: ...WT901BLECL BLE5 0 manual v0707 http wiki wit motion com english 21 Step 4 Click Run and the Binary file will be playback When playback the rate can be editable...

Page 22: ...lt 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 23: ...width 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...

Page 24: ...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 repeat...

Page 25: ...culated 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...

Page 26: ...1 It is required to allow for application positioning Always allowed and turn on the positioning function and Bluetooth Note Paired devices can be searched without turning on positioning but accordin...

Page 27: ...motion com english 27 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 Step 3 Turn on the sensor and scan the device Note T...

Page 28: ...L BLE5 0 manual v0707 http wiki wit motion com english 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 autom...

Page 29: ...9 3 3 Calibration 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 seconds Step...

Page 30: ...u 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 less d...