用于串口发送接收调试，测试各类代码的发送及接收数据功能(Used to send and receive serial debugging, testing various types of code to send and receive data)

功能十分强大，不管是串口还是网口，不管是什么通讯协议都可以监听数据(The function is very powerful, whether it is a serial port or a network port, whatever the communication protocol can monitor the data)