51做的门禁系统代码，有4×4键盘扫描，9346的存储功能，掉电不丢失密码，3重密码防忘记功能...

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C51 串口通信 包括解析报文-C51 Bunches of communication include the message translating

这是我自己编写的1602和18B20的原程序！以通过实验！-This is what I have written the original 1602 and 18B20 procedure! Through the experiment!

LCD1602+DS1302显示时钟！已经通过实物测试！可以放心下载-LCD1602+ DS1302 display clock! Have passed the physical test! Can rest assured Download

8051单片机嵌入式操作系统small rtos编程及仿真，共5个主题基本包括了SmallRTOS的基本用法，文件包括电路图、完整的Keil工程源码。绝对原创，更多内容看我的博客：http://www.ednchina.com/Blog/crossmind/-8051 embedded operating system small rtos programming and simulation, a total of five basic themes include SmallRTOS the basic usage of the document includes schematics, complete source Keil works. Absolutely original, more watch my blog: http://www.ednchina.com/Blog/crossmind/

为ascii码转换程序，自己编写的，可以使用masm工具编译。-Ascii code for the conversion process, I have written, you can use the MASM compiler tools.

本代码实现了卡式电话的功能,包括长话市话特话,警告,扣费等一系列功能-This code implements the cassette phone features, including special long-distance local call, then, warnings, chargeback and a series of functions

有学习单片机的可以下下 17种使用小软件这时其2-RUANJIAN

89C51单片机精确定时详解-89C51 Elaborates on precision timing

求任意个数的平均值，输入数字就可以求得结果，是本人学习汇编的习作，请多指教。-seeking arbitrary number, the average import figures can be obtained result is a compilation of my learning exercises, please enlighten.