基于单片机的数字音乐盒，要求利用单片机I/O口产生一定频率的方波，驱动蜂鸣器，发出不同的音调，从而演奏乐曲；采用LCD显示信息；开机时有英文（或中文）欢迎提示字符，播放时显示歌曲序号（或名称）；可通过功能键选择乐曲，暂停，播放-Microcontroller-based digital music box, requiring the use of single-chip I/O ports have a certain frequency square wave drive the buzzer, emit different tones, which play music　using LCD display information　has boot in English (or Chinese) welcomes tips character, display song number (or name) when playing　may select a song by function keys, pause, play