设计一个远程监控系统，并编程实现其功能：采用串口调试助手，通过串口进行控制，输入0001时，蜂鸣器鸣叫，输入0002，LED灯亮，输入0003LED灯灭，输入0004后，再输入想要在LED灯上显示的数字或字母，控制LED显示器显示输入的数据。-Design of a remote monitoring system and program to achieve its functions: use of serial debugging aids, through the serial port control, enter 0001 when the buzzer sounds, input 0002, LED lights, enter the 0003LED lights turned off, enter, after 0004, and then enter the desired In the LED lights on the display numbers or letters, control LED display shows the input data.