我写的电子琴用8253的程序，有点浪费资源，不过听好用的，大家不妨参考一下...

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手把手叫你学单片机，这是里面的源代码，很适合初学者快速上手51单片机的资料-You to learn hands-called single-chip, which is inside the source code, it is suitable for beginners quick start 51 SCM information

压缩包解压时不能有密码，使用方便请认真书写上传资料的详细功能-Archive decompression there can not be password, easy to use upload data to write carefully detailed feature

自己做的单片机喷图小车的，程序是用汇编语言实现。小车可以喷出为五环。-Microcontroller to do their own car sprayed pictures, and procedures are used assembly language to achieve. Vehicles can be emitted for the five rings.

汇编学习课件，PPtde ,讲得比较详细，没有基础的同学也可以学！-assembly language

用89c51实现数字时钟，6位LED，4*3的key，程序已经调试好，可以直接使用-With 89C51 digital clock, 6 LED, 4* 3 the key, the procedure has a good debugger, you can directly use

用汇编程序实现串行通信 只能传256个数字 但有界面，大部分代码用于实现界面-compiled using serial communication program could send 256 digital interface but, most of code used to implement interface

用VB做的SQL系统。是一个图书馆系统，它包括SQL建立的表格，应用的软件是VB程序-used vb to build SQL system

的源代码，intel汇编的优秀参考书。赶快下载。- The source code, compile the intel excellent reference books. Quickly download.

单片机实现键盘输入数码管显示。给sclk8个上升沿就可以控制一个8段数码管了，当移位寄存器满了后，给st一个上升沿，就可以显示数据了-SCM keyboard input digital tube display. To a rising edge sclk8 can control an 8-segment digital tube, and when the shift register is full, after a rising edge to the st, you can display the data of the