执行 sudo python3 xxx.py
注意：你需要将程序中的服务器以及服务器的账号密码及节点修改为自己公共基站，否则程序不可正常运行，如果要走UART直连，请参考图片步骤打开树莓派的硬件UART


Execute sudo python3 xxx.py
Note: You need to change the server in the program, its account password and node to your own public base station; otherwise, the program cannot run normally. 
If you want to use UART direct connection, please refer to the steps in the picture to open the hardware UART of the Raspberry PI