用keilC51编写的C语言源代码，用于单片机控制蜂鸣器的音乐播放，使用者可以更改代码来实现不同的声音播放。-KeilC51 with written language C source code, used for single-chip microcomputer control of the music played buzzer, users can change the code to the realization of different voice broadcasting.