Electronic keyboard with its fascinating tone, dynamic rhythms, lightweight appearance, cheap price, has become an indispensable partner of countless music fans in the process of going for music.
MCU with powerful control function and flexible programming features, has been integrated into modern people's lives and become an irreplaceable part.
The main contains of this paper is about a simple electronic organ design based on a single chip AT89C51 which is used as the core controller, consisting of Key modules, sounder modules and LED modules. Stable circulation, simple hardware circuit and high performance-to-price ratio are characteristics of the design. And it also has some practical value.