PL-51单片机学习板实例程序\实例程序\C语言\025-蜂鸣器演奏消防车的报警声音\喇叭演奏消防车的报警声音-PL-51 microcontroller board instance learning program \ instance procedure \ C language \ 025- fire alarm buzzer sounds playing \ fire alarm sound speaker play

运用蜂鸣器制作一个属于自己的音乐，程序已经进行标注，可自行更改，适用于单片机初学者(The use of buzzer to make a music belonging to their own, the program has been marked, can change its own, suitable for beginners microcontroller)

单片微型计算机简称单片机，又称为微控制器，是将CPU、RAM、ROM、定时/计数器、I/O接口电路集成到一块电路芯片上构成的微型计算机。本次设计的系统由单片机系统、数码管显示系统、键盘、蜂鸣器等组成，通过按键来控制单片机实现数字时钟的时、分、秒显示，12、24制转换，设定时间、闹钟等不同功能，并通过P0口的输出在LED上显示。(Single-chip microcomputers, also known as microcontrollers, are microcomputers that i