锁定键盘的程序,程序中设定了密码正确标志,在编译软件中编译成功....

程序采用枚举法,顺序获取u-disk设备描述符(包括vid、pid...)-Procedures using enumeration method, the order to obtain u-disk device descriptor (including vid, pid ...)

jg12864mLCD显示器的资料和C驱动源码-jg12864mLCD display information source and C Drive

四位数数字温度计-Four-digit digital thermometer

该程序设计采用2051进行控制,原理比较简单.但是要完全调试成功比较麻烦!我自己已经调试差不多了,祝大家都可以掌握基本控制理论!-procedures designed using the 2051 control, principle is relatively simple. However, to successfully complete debugging more trouble! I have been debugging almost wish you could grasp the basic control theory!

红外资料，详细的介绍了一些红外的资料，内容比较详细-Infrared data, a detailed introduction a number of infrared data, content in more detail

动力环境监控系统，它是一个有十分价值的系统，现拿出来供大家参考，学习。可不能用于他用，后果自负。- The power environment supervisory system, it is has extremely the value system, presently puts out for everybody reference, the study. But cannot use in he to use, the consequence is proud.

门禁系统读卡器源码 有助于了解其工作原理 帮助开发单片机-Access Control System source code will help readers understand the principles of its work to help develop single-chip microcomputer

AT89C2051时钟程序-AT89C2051 clock procedures

使用89S52为核心做的USB键盘,注意修改了一下windows设备描述符以及端点处理等就行了。用了一个4*4的小键盘,有0-9十个数字键, Num Lock键,Caps Lock键,Shift键,Ctrl键,Alt键,回车键等。 最多可以有三个键同时按下，如果相交的话，最多只能两个键按下-89S52 use as the core of the USB keyboard to do, pay attention to modify the look and the windows device descriptor, such as treatment endpoint on the list. Used a 4* 4 small keyboard, has the number keys 0-9 10, Num Lock keys, Caps Lock key, Shift key, Ctrl key, Alt key, enter key and so on. Can have up to three keys pressed at the same time, if the intersection, then a maximum of only two keys pressed

一个用C语言编写的单片机发送数据代码-a C language prepared by the MCU send data code