小型加减乘除计数器

用VB实现USB功能，主要是通过调用EasyD12.dll动态连接库函数,控制USBU端对 DP-51学习板24WC02时行读写控制。-VB USB functions, mainly through call EasyD12.dll DLL function, USBU-right control of DP-51 learning at the plate WC02 24 firms control read and write.

汇编语言实例 好的很！-assembly language is a good example!

本实例可以实现数制转换，输入输出显示，大小写转换-This example system can achieve a number of conversion, input and output show that the conversion case

验证码控件,附属性就可以运行,不错的一个工具,试试看.-validation code Controls subsidiary on the run, a good tool, and see what happens.

东西方向各有一组红,黄,绿灯用于指挥交通,红,黄,绿的持续时间分别为25s,5s,20s。 -East-west direction have a group of red, yellow and green light for directing traffic, red, yellow and green are the duration of 25s, 5s, 20s.

code unsigned char MUSIC[]={          6,2,3,      5,2,1,      3,2,2,    2,2,2,    1,2,4,    0,0,0,    3,2,3,                                      2,2,1,      1,2,2,      6,2,2,    5,2,4,    0,0,0,    5,1,3,    6,1,1,                                       5,1,2,      6,1,2,      1,2,2,    2,

一个简单的图书馆管理系统，可以直接运行。-A simple library management system, can be directly run.

自己做的4×4键盘扫描，加入了按下消抖动，松开输入数据的简单功能。-Do their own 4 × 4 keyboard scanning, joined the press extinction jitter, release a simple function of the input data.

关于接口课程实验的一个源代码,需要有相关的实验平台配合使用-courses on the interface of an experimental source code, the need for the combined use of experimental platform

用8251实现串行口异步通信，自发自收，波特率1200bps。采用查询方式发送与接收。从键盘输入发送字符。发送与接收的字符均在屏幕上显示。按esc键返回dos-Achieved with the 8251 serial asynchronous communication, spontaneous self-income, the baud rate 1200bps. Way to send and receive using queries. To send characters from the keyboard. Send and receive characters are displayed on the screen. Press esc key to return to dos