基于Proteus的51系列单片机设计与仿真,设置有九个按钮，每个按钮对应不同频率的音符，分别是do,re,me,fa,so,la,si和报文音-Based on Proteus 51 Series single-chip design and simulation, set nine buttons, each button corresponding to different frequencies of the notes, respectively, is do, re, me, fa,

12846的驱动程序,用于学习,啦啦啦啦啦阿拉啦(12846 driver, for learning, la la la la la!)