Manual

User manual/ Technical information

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The communication settings:

Format 1 start bits, 7 data bits, Even parity, 1 stop bits

Baud rate 1200bps

Device address 0x00

Connect the green wire (GND Data) and yellow wire (SDI-12 Data) to the USB to SDI-12 debugger.

And connect the red wire (Vin+ power positive) and brown wire (Vin- power ground) to the 12V

power supply.

Download the serial port debugging assistant: https://github.com/Neutree/COMTool，and then

open the serial port debugging tool.

 Choose the correct port number

 Set the baud rate to the baud rate of the USB to SDI-12 debugger (note that it is not the baud

rate of the SDI-12 protocol)

 Check the "CRLF"

 Click to open the serial port.

 Send the query device address command "?!", if you can see the response "0", it means the

connection is OK.