基于 AT89S51 单片机的电子琴设计 摘 要:随着电子产业的进展和人民生活水平的提高,电子琴在人们生活中将扮演着越来越重要的角色,它改善人们的生活,给人们带来欢乐和陶冶人的情操
本文设计是在充分了解音乐音阶基础上,以 Atmel 公司的 AT89S51 单片机作为核心控制器件,通过程序控制与键盘,运放电路,扬声器等电路设计成的电子琴
关键词:AT89S51,电子琴,proteus 仿真 Abstract: Along with the development of the electronics industry and the improvement of people's living standard, the keyboard will play a more and more important role in people's life, improve people's life, it brought people joy and edify one's sentiment
This article is designed on the basis of fully understand the music scales, taking Atmel AT89S51 as the core control device, through process control and keyboard, op-amp circuit, speakers circuit design, including the keyboard
Key words: AT89S51, electronic organ, proteus simulation1 绪论 随着人们生活水平的提高和电子产业的高速进展,越来越多的电子产品融入到人