音乐演奏程序设计 看看是否可以通过利用通用发声程序编写演奏乐曲的程序。本程序是当从键盘上输入歌曲的序号A,B或C时，计算机则演奏所选择所选的歌曲，当从键盘上按下X键时，跳出。 music1为《玛丽有只小羔羊》，music2为《太湖船》，music3为《祝福歌》。 -Music concert program design to see if we can through the use of sound procedures for the preparation of common

C语言编写的单片机实验源代码，实现PWM控制LED灯渐亮渐灭实验。可以帮助学习单片机，理解C语言-SCM experimental source code written in C language, the PWM control of LED lights fade gradually eliminate experiment. Learning microcontroller can help to understand the C language

非常漂亮的心形流水灯仿真程序开发，protues仿真。-Very beautiful heart-shaped light water the simulation program development, protues, simulation.