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This article will explain in detail how to connect raspberry pie 4B through serial port. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

Raspberry pie tools and software needed to install Ubuntu20.04 system:

Raspberry pie, computer, uart to USB cable, power cord

GPIO pins of raspberry pie are shown in the figure.

Serial module pin diagram

Wiring

The VCC of the serial port line is not connected, the GND is connected to the 14th GND,RXD, the 8th TXD,TXD is connected to the 10th RXD, and the end of the usb is inserted into the computer.

Raspberry pie configuration

After writing the system image to the SD card, go to the boot disk, edit the config.txt file, add "enable_uart=1" at the end of the file, then save, and insert the SD card into the raspberry pie.

Connect

1. Computer side download Xshell6,uart to usb line is generally ch440 chip, but also need to install ch440 driver.

two。 Open device Manager to configure the baud rate of the port, set to 115200

3. Open Xshell

Name: casually

Protocol selection: SERIAL

Set port number and baud rate

Click Connect after setting up.

As described above, the serial port has been connected successfully. Clicking the enter key will prompt you to enter the user name and password.

Enter user name and password

This is the end of the article on "how to connect raspberry pie 4B through serial port". I hope the above content can be of some help to you, so that you can learn more knowledge. please share it for more people to see.

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