Raspberry pie 4B connects the computer through CH340 to realize USART serial communication (C language and Python version)

preface The peripheral of raspberry Pie 3/4b contains two serial ports, one is called hardware serial port (/ dev/ttyAMA0) and the other is called mini serial port (/ dev/ttyS0). The hardware serial port is realized by hardware. There is a separate baud rate clock source with high performance and reliability. The mini serial port has lo ...

Posted on Sat, 09 Oct 2021 23:13:15 -0400 by syacoub

Beginners learn raspberry pie 4B from scratch --- installing the system and serial communication (nanny raspberry pie installation tutorial)

Download Image After a few days of trying, I sorted out a completely feasible way to install linux into raspberry pie. The first is to download the image. What is recommended here is Tsinghua Open Source Mirror Click the right side to get the download link   Then pull down the left operating system to select raspberry pie     ...

Posted on Wed, 06 Oct 2021 08:34:11 -0400 by TVining