定时打铃程序，在配置文件里改改需要打铃的时间，为了减小体积，把音乐删掉了，自己可以根据源码建立文件夹和对应的mp3音乐。本程序在我校已运行了4年，表现良好。-Bell device that can control the amplifier s power. Changes in the configuration file need to hit the bell time. In order to reduce the file size, MUSIC folder in the music does not, they can be added as needed mp3 music, and according to source renamed it....