使用51单片机,keil C编码的，为前女友所做的音乐盒程序。可以使用自带的音乐转换器，转换任意一首歌。使用中断1键可以换歌。-The use of 51 single-chip, keil C coding for the ex-girlfriend made the Music Box program. Can use the built-in music converter, convert any one song. The use of keys can be interrupted