基于AT89C51型单片机的号音自动播放器设计

Design of the automatic bugle player based on AT89C51

利用AT89C51型单片机定时和中断功能,配以LM386型音频功率放大器,构成了作息号音自动播放器,为学校和机关管理提供方便。

Using timing and interrupt function of the AT89C51 LM386 audio power amplifier.h is constituted the automatic bugle single-chip microcomputer and the player.This player facilitates the institution and the school daily management.