3. Install Serial Terminal Tool

The serial terminal SecureCRT is used for debugging in Windows. It can be used directly after decompression.

Step1, unzip Platform/SecureCRT.rar on PC.

Step2, open SecureCRT/SecureCRT.exe, click the icon Quick Connect to config.

Please confirm that the CH9102X driver has been installed and the USB-to-Serial adapter is connecting to the PC. Open the Device Manager to confirm which COM port number is assigned for connection with the device.

install CRT

Quick Connect

Protocol

Serial

Port

To be specified by user PC

Baud rate

115200

Data bits

8

Parity

None

Stop bits

1

Please check XON/XOFF, RTS/CTS not selected

Step3, check Save session and click Connect.

_images/install_CRT_2.png

Note

If open more than one serial terminal tools, and they use the same serial port, there will be reported the port is busy.

Solution: Turn off the serial tool that unnecessary.