WiT WT901BLE Manuale utente
WT901BLE BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english
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Tutorial Link
Google Drive
Link to instructions DEMO:
WITMOTION Youtube Channel
WT901BLE Playlist
If you have technical problems or cannot find the information 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 operation of our AHRS sensors.
Contact
Technical Support Contact Info
Application
● AGV Truck
● Platform Stability
● Auto Safety System
● 3D Virtual Reality
● Industrial Control
● Robot
● Car Navigation
● UAV
● Truck-mounted Satellite Antenna Equipment
WT901BLE BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english
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Contents
Tutorial Link................................................................................................- 2 -
Contact.........................................................................................................- 2 -
Application.................................................................................................. - 2 -
Contents...................................................................................................... - 3 -
1 Introduction............................................................................................- 5 -
1.1 Warning Statement................................................................... - 6 -
1.2 LED Status.................................................................................... - 6 -
2 Use Instructions with PC................................................................... - 7 -
2.1 PC Connection............................................................................. - 7 -
2.1.1 Serial Connection............................................................ - 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 Calibration.........................................- 17 -
2.3.3 Gyroscope Automatic Calibration...........................- 19 -
2.3.4 Reset Z-axis Angle....................................................... - 19 -
2.3.5 Reset Height to 0..........................................................- 19 -
2.4 Configuration.............................................................................- 20 -
2.4.1 Data Recording..............................................................- 20 -
2.4.2 Data Playback................................................................ - 22 -
2.4.3 Placement Direction.................................................... - 24 -
2.4.4 Bandwidth........................................................................- 25 -
2.4.5 6-axis/ 9-axis Algorithm............................................- 27 -
WT901BLE BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english
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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 Field Calibration.........................................- 32 -
WT901BLE BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english
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1 Introduction
The WT901BLE BLE5.0 is a multi-sensor device detecting acceleration,
angular velocity, angle as well as magnetic filed. 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.
WT901BLE BLE5.0’s scientific name is AHRS IMU sensor. A sensor measures
3-axis angle, angular velocity, acceleration, magnetic field. Its strength lies in
the algorithm 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 best data availability: new WITMOTION patented zero-bias
automatic detection calibration algorithm outperforms traditional
accelerometer sensor
• High precision Roll Pitch Yaw (X Y Z axis) Acceleration + Angular Velocity +
Angle + Magnetic Field output
• Low cost of ownership: remote diagnostics and lifetime technical support by
WITMOTION service team
• Developed tutorial: providing manual, datasheet, demo video, free software
for Windows computer, APP for Android smartphones, iOS APP for iPhone,
communication protocol for project development
• WITMOTION sensors have been praised by thousands of engineers as a
recommended attitude measurement solution
WT901BLE BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english
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1.1 Warning Statement
Putting more than 5 Volt across the sensor wiring of
the main power supply can lead to permanent damage
to the sensor.
VCC cannot connect with GND directly, otherwise it
will 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 sensor’s baud rate is
fixed.
For secondary developing project or integration:
use WITMOTION with its compiled sample code.
1.2 LED Status
LED
Status
Remark
Blue
Flashing
(connect with adapter)
Pairing succeeds
Flashing
(connect with Android APP)
Pairing succeeds
WT901BLE BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english
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2 Use Instructions 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:
VCC - 5V
TX - RX
RX - TX
GND - GND
(When connecting with computer, VCC-5V is recommended.)
WT901BLE BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english
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Recommended tools:
3-in-1 converter 6-in-1 converter TTL serial cable
Step 2. Unzip the software and install the driver CH340 or CP2102
(Depending on 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 manager
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.
WT901BLE BLE5.0 | manual v0707 | http://wiki.wit-motion.com/english
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2.1.2 BLE 5.0 Adapter Connection
Adapter’s 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 pairing succeeded
Step 4. Open the software, Minimu.exe
Step 5. Data will appear once the auto-search finished
Indice
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