Introduction - If you have any usage issues, please Google them yourself
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.