控制硬盘编程，实现读写功能，最底层的程序，c51编程。

用单片机控制max7219做的led灯的动态显示-Max7219 control with single-chip led lamps do dynamic display

由C 语言实现的tl549 利用的是KEIL环境已经得到验证-Achieved by the C language using tl549 is KEIL environment has been tested

用RC500开发IC卡读卡器的源码函数资料-RC500 development with IC card reader function of the source data

GUI_Builder 一个使你快速设计你的Gui的软件-GUI_Builder one allows you to quickly design the software of your Gui ~ ~

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/

网上找到的PCF8563程序基本不能用 本程序基于51单片机，模拟了I2C接口，现已调试成功，可以做成万年历了

单片机小工具（实用） 可以用来做单片机的开发工具，很实用的-Small single-chip tool (utility) can be used to make single-chip development tools, it is useful

这是一款优秀的液晶数字显示屏示例，可以直接被用来开发自动控制数值显示。-Excellent This is an example of the LCD digital display, can be directly used to develop automatic numerical display.

用数码管显示测得的心率值。并控制发光二极管的亮灭。-Digital display of heart rate measured value. And control of light to eliminate light-emitting diodes.