单片机中断系统写的led流水灯还有蜂鸣器的同步应用-Microcontroller interrupt synchronization led water lights and buzzer system written application

控制蜂鸣器让它有规律的发出声音，使得蜂鸣器发出 SOS 紧急救难信号(Control buzzer so that it regularly sounds, making the buzzer SOS emergency rescue signal)