Describe: a flower. An experimental tasks. Formed by the 4x4 matrix button 16, 16 designed to sound. 2. Free expression want to play the music.

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  中国腾达测控科技有限公司-学习下载-单片机试验及实践教程-AT89S51单片机试验及实践教程之电子琴.htm

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 To Search: AT89S51 4x4 89S51 

 [51-sound.rar] - with 51 prepared by the music player, using the timer to change the frequency of speakers, including the song "fairy"
 [AT89S51.zip] - you SCM beginners? I certainly would like to have some source circuit and guidance you! ? Then look at the MCU experimental procedures and principles
 [ElectronicOrgan.rar] - 51 single-chip microcomputer with an electric piano and can play music

 [eleorgan.rar] - use of the compilation process MASM6.0 flower production process, with man-machine interface, high-bass conversion, built-in music player, and so on.
 [82558253dianziqin.rar] - 8253 and 8255 consisting of a simple flower design documents include the code!
 [piano.rar] - Flower program design, or good, ha ha, are interested in can be set
 [AT89S51.rar] - AT89S51 Single-chip experiments and practice course, through this book can be a good solution, LED, LCD display, electronic bell, organ, dot matrix, d
 [digitalpiano.rar] - SCM organ programs, C language. Code is simple, suitable for learning
 [mc35.rar] - module MC35 wireless application development process. Respect for GPRS
 [8microcontrollerdesignandapplicationofthec] - with traffic lights, flower clock, keyboard, serial communications, and other examples of the compilation process and are very suitable for beginners.