WiT WT61C User Manual

Inclinometer sensor

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USER MANUAL WT61C
Inclinometer Sensor
WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english
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Summary of Contents for WiT WT61C

  • Page 1 USER MANUAL WT61C Inclinometer Sensor WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 1 -...
  • Page 2: Tutorial Link

    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 WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 2 -...
  • Page 3: Table Of Contents

    2.4.6 Static Threshold ................- 26 - 2.4.7 Bandwidth ..................- 27 - 3 Use Instructions with Android Phone ............- 30 - 3.1 APP Installation ................... - 30 - 3.2 Hardware Preparation ................- 31 - WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 3 -...
  • Page 4 4.2 STM32 ......................- 38 - 4.3 Raspberry pi ....................- 38 - 4.4 C# ........................- 38 - 4.5 C++ ......................... - 39 - 4.6 Matlab ......................- 39 - WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 4 -...
  • Page 5: Introduction

    Introduction The WT61C is a multi-sensor device detecting acceleration, angular velocity and angle . 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

     For proper instrument grounding: use WITMOTION with its original factory-made cable or accessories.  For secondary developing project or integration: use WITMOTION with its compiled sample code. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 6 -...
  • Page 7: Use Instructions With Pc

    WT61C Playlist 2.1.1 Serial Connection Step 1. Connect the sensor with a serial converter PIN Connection: VCC - TX - RX - GND - GND (When connecting with computer, VCC-5V is recommended.) WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 7 -...
  • Page 8 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. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 8 -...
  • Page 9: Software Introduction

    Option for binding device or unbind Firmware update Option for firmware update About Minimu Info about Minimu.exe Factory test For manufacturer internal test only Auto-search Auto searching the sensor Port Com port selection WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 9 -...
  • Page 10 Baud Baud rate selection Type Fixed setting as JY61 for WT61C Open Open com port Close Close com port Acc Calibrate Acceleration calibration WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 10 -...
  • Page 11: Menu Of Configuration

    Ability to proceed accelerometer calibration Sleep Sleep function Baudrate 115200(100Hz) (Fixed)/ 9600(20Hz) Mode Serial / IIC(only for modules) Direction Vertical or horizontal installation Static threshold Static threshold for angular velocity Bandwidth Option for bandwidth range WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 11 -...
  • Page 12 Menu of Data Button Function Time Real time Acceleration Data for Acceleration Angular Velocity Data for Angular Velocity Angle Data for Angle WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 12 -...
  • Page 13: Calibration

    The module needs to be calibrated before using it. Every instrument needs to be calibrated for the first use. Customers need to calibrate the accelerometer and magnetometer, the gyro will calibrate automatically. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 13 -...
  • Page 14: Accelerometer Calibration

    Before calibration, there will be different degrees of bias error. After calibration, the measurement will be accurate. Methods: 1. Firstly keep the module horizontally stationary, then click “Acceleration Calibration” in the “Config” of the software. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 14 -...
  • Page 15 0, 0,1, the X and Y axis Angle is around 0 °. After calibration, the x-y axis Angle is accurate. Note: when putting the module horizontal, there is one G of gravitational acceleration on the Z-axis. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 15 -...
  • Page 16: Reset Z-Axis Angle

    When the module is powered on, the Z axis will automatically return to 0. Step 1: Calibration methods as follow: firstly keep the module static, click the “Config” open the configuration bar and then click “Reset Z-axis Angle” option WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 16 -...
  • Page 17 The angle of the Z axis will return back to 0 degree in the module data bar. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 17 -...
  • Page 18: Configuration

    Note: After the change, the module no longer outputs data at the original baud rate, and the data will be output only when the baud rate that has been changed is selected on the PC software again. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 18 -...
  • Page 19: Data Recording

    Method are as follows: Click“Record”and“Begin”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. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 19 -...
  • Page 20 It is highly recommended that data can be pasted to a Excel file. In this way, all data will be shown in order. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 20 -...
  • Page 21: Data Playback

    Recorded data playback method: Step 1: Disconnect the sensor Step 2: Click “File” Button and then click “Load” WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 21 -...
  • Page 22 Step 3: Choose the original path of software installation and load the Bin file WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 22 -...
  • Page 23 Step 4: Click “Run” and the Binary file will be playback When playback, the rate can be editable. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 23 -...
  • Page 24: Standby And Wake Up

    Wake up: The module enters the working state from the standby state. The module defaults to a working state, in the“Config”of the software, click “Sleep”option to enter the sleep state, click“Sleep”again to release sleep. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 24 -...
  • Page 25: 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 “Config” menu WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 25 -...
  • Page 26: Static Threshold

    0. Setting method: Click the "Still Threshold" option in the configuration bar of the PC software to set the threshold. The module default is 0.122°/ s. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 26 -...
  • Page 27: Bandwidth

    1. The higher rate of bandwidth setting will lead to the higher fluctuation in data waveform. Conversely, the lower rate of bandwidth, data will become more fluent. For example: Bandwidth as 20Hz, Output rate as 5Hz. The waveform is very steady. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 27 -...
  • Page 28 For example, if the bandwidth setting is 20Hz, retrieval rate as 100Hz, there will be 5 repeating data. If you prefer there is no repeating data, it is required to increase the bandwidth more than 100Hz. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 28 -...
  • Page 29 WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 29 -...
  • Page 30: Use Instructions With Android Phone

    Use Instructions with Android Phone For APP configuration introduction, please referring to the Chapter 2.2 APP Installation Install the APK file, give permission of Location and Storage Link to download Android APP WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 30 -...
  • Page 31: Hardware Preparation

    Hardware Preparation Connecting with Android smartphone requires a serial cable and a Type-C converter or Micro-USB converter according to phone’s interface. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 31 -...
  • Page 32: Connection

    APP for the USB device”, which means that the device has been detected. Choose “WitMotion”, “ JUST ONCE” or “ALWAYS” is optional. Note: Only CH340 driver can be detected via WitMotion APP. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 32 -...
  • Page 33 Step 3. Open APP and choose “6-axis Series” as sensor series WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 33 -...
  • Page 34 Step 4. Select the baud rate- 115200. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 34 -...
  • Page 35 After selection and wait for a few seconds, the data will show automatically. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 35 -...
  • Page 36: 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 4. Judge the result--confirm if there is 1g on Z-axis acceleration WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 36 -...
  • Page 37: Reset Z-Axis Angle

    Step 2. Click the “Calibration” menu Step 3. Click the “Z axis return to zero” and wait for 3 seconds Step 4. Check the data of “Angle Z” to see if it is 0°. WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 37 -...
  • Page 38: Mcu Connection

    Link to sample code instructions demo Notice: There is no sample code provided for Linux or Python system at present. Arduino Download link Arduino UNO3 Demo Link STM32 Download link Raspberry pi Tutorial link DEMO link WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 38 -...
  • Page 39: Matlab

    DEMO link Matlab Receive Sample Code Dataplot DEMO WT61C TTL| manual v0527 | http://wiki.wit-motion.com/english - 39 -...

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