普通单片机产生MIDI音乐的程序,使用任何无源蜂鸣器,利用单片机的PWM输出功能,可以实现你需要的任何音乐输出,该程序作为模块已经在产品上大量使用,性能稳定-Have a common single-chip MIDI music program, the use of any passive buzzer, the use of single chip PWM output function, you can realize you need any music output, the program as a module has been widely used in products, performance and stability