按键控制定时器选播多段音乐,由51单片机控制，包括源程序和仿真图。-Anycast music key control timer from 51 single-chip control, including source code and simulation plan.

很好的单片机学习资料，还有protues仿真，刚快下吧-Good MCU learning materials, as well as protues simulation, just fast are you