基于AT89C51单片机的电子琴设计

Design Simple Electronic Organ Based on AT89C51 Single Computer

文章设计了一个以AT89C51单片机作为主控制器、利用单声道功放电路来驱动扬声器发音的简易电子琴系统。通过硬件电路的设计和软件的调试运行表明,该系统不仅实现弹奏乐曲的基本功能,而且设计思路简单、清晰、易懂、成本低,具有一定的实用和参考价值,非常适合电子爱好者制作。

This paper designs a simple electronic organ system,which is mainly controlled by AT89C51 single computer and used one-tone electric circuit to prompt loudspeaker to pronounce.Through software design and hardware debug show that this system not only brings out playing musical composition basic function,but also its design is concise and is apt to understand.Thus,it has certain practical and reference value and very fits electronic amateur to make.