WiT VL53-400 User manual

VL53-400 | Manual v23-0215 | www.wit-motion.com
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USER MANUAL
VL53-400
Laser Ranging Sensor

VL53-400 | Manual v23-0215 | www.wit-motion.com
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Tutorial Link
Google Drive
Link to instructions DEMO:
WITMOTION Youtube Channel
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
●Robot
●UAV
●Intelligent Device

VL53-400 | Manual v23-0215 | www.wit-motion.com
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Contents
Tutorial Link .................................................................................... - 2 -
Contact...........................................................................................- 2 -
Application ......................................................................................- 2 -
Contents......................................................................................... - 3 -
1 Overview......................................................................................- 4 -
2 Size.............................................................................................- 5 -
3 Parameter .................................................................................... - 6 -
4 Pin ..............................................................................................- 7 -
5 Hardware Connection .....................................................................- 9 -
5.1 PC Connection ......................................................................- 9 -
5.2 IIC Connection.................................................................... - 10 -
6 Software Connection .................................................................... - 12 -
6.1 Device ............................................................................... - 12 -
6.2 Data View .......................................................................... - 13 -
6.3 ID ..................................................................................... - 14 -
6.4 Reset................................................................................. - 15 -
6.5 Baud Rate .......................................................................... - 16 -
6.6 Return Rate........................................................................ - 17 -
6.7 Calibration Module............................................................... - 18 -
6.8 Measurement Mode ............................................................. - 19 -
7 Communication Protocol ............................................................... - 21 -
7.1 Serial Mode ........................................................................ - 21 -
7.2 Modbus Protocol.................................................................. - 22 -
7.3 Modbus Register ................................................................. - 24 -
7.4 IIC Mode............................................................................ - 27 -

VL53-400 | Manual v23-0215 | www.wit-motion.com
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1 Overview
With voltage stabilization circuit, working voltage 3.3V~5V, compatible
with 3.3V embedded system.
Supports serial, Modbus, and IIC modes.
Two kinds of digital interface serial port and IIC, IIC is directly
connected to the chip.
Data output rate up to 100Hz. 0.1~100Hz (default 100Hz) can be
adjusted.
2-layer PCB board process, thinner, smaller and more reliable. Metal
shielding cover to prevent static interference.
Default short-distance mode (the longest measurement distance is 2
meters), when measuring 4 meters, change to the long-distance mode.

VL53-400 | Manual v23-0215 | www.wit-motion.com
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2 Size

VL53-400 | Manual v23-0215 | www.wit-motion.com
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3 Parameter
Parameter
Specification
Voltage
3.3V-5V
Current
<33mA
Size
20mm x13mm x6.2mm
0.787" x 0.511" x0.244"
Fixed Hole
Spacing 16mm, hole radius 1mm
Spacing 0.630", hole radius 0.039"
Return Rate
0.1～100HZ（default 10Hz）
Measuring Distance
40mm-4000mm (4000mm without optical cover)
1.575"-157.480" (157.480"without optical cover)
Interface
Level TTL
Baud Rate
Supports 2400-921600, default 115200
Ranging Error
±20mm (±0.787")

VL53-400 | Manual v23-0215 | www.wit-motion.com
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4 Pin
Pin Explanation
Number
Pin
Explanation
1
VCC
3.3V-5.0V power output
2
RXD
Serial port receiving pin
(TTL level, not directly connected to RS232 level)
can be connected to the TXD of the microcontroller
3
TXD
Serial port sending pin
(TT level, not directly connected to RS232 level)
can be connected to the RXD of the microcontroller
4
SCL
IIC communication clock pin
(need to enter IIC mode)
5
SDA
IIC communication data pin
(need to enter IIC mode)
6
GND
Ground

VL53-400 | Manual v23-0215 | www.wit-motion.com
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5 Instructions of 2023 New Software
In order to improve the user experience and our customer service, we develop
a new version PC software.
Below is the new software and universal instruction download link.
https://drive.google.com/drive/folders/1dnwmnH7mi4zBpNqDywLzr
zsV7BfeKaD9?usp=share_link
Note:
The 2022 old version software will be reserved for use. You can check
“Chapter 3 Use Instructions with PC”for more details. ↓↓↓

VL53-400 | Manual v23-0215 | www.wit-motion.com
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6 Hardware Connection
6.1 PC Connection
To connect with a computer, a serial port module with USB to TTL level is
required. We recommend the following two USB to serial modules:
3-in-1 serial converter 6-in-1 serial converter
Step 1. Connect the sensor with a serial converter
PIN Connection:
VCC -5V
TX - RX
RX - TX
GND –GND
Step 2. Plug it into computer.
PC-serial module connection diagram:

VL53-400 | Manual v23-0215 | www.wit-motion.com
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6.2 IIC Connection
6.3 Serial Connection
Step 1. Connect the sensor with offered Type-C wire.
(Warm Reminder:If you wanna use a longer cable,it should be a standard
Type-C data cable)
Step 2. Unzip the software and install the driver CH340
https://drive.google.com/file/d/1I3hl9Thsj9aXfG6U-cQLpV9hC3bVEH2V/view?
usp=sharing
*How to Install and update the CH340 driver
Click the "Uninstall" button first. Then click on the "Install" button.