num2

通过单片机按键选择输出信号类型及要求输出量,在LED显示器件上指示信号类型及设定数值.系统工作电源±15V ， ±5V 。恒流电流输出0.0～8.0mA, 负载电阻≤500Ω。3． 稳压电压输出0.0～5.0V，电流负载能力≤100mA.电压及电流输出在充许负载范围内误差小于5％FS。电压及电流输出须共用一个输出正端, 输出负端为地。输出电压及电流设定精确到二位十进制数。 (Through Singlechip button to choose the type and requirements of the output signal output, in the LED display on the instructions of the signal type and set the value. System power supply ± 15V, ± 5V. Constant current output 0.0 ~ 8.0mA, the load resistance ≤ 500Ω. 3. Regulator output voltage 0.0 ~ 5.0V, current load capacity ≤ 100mA. Voltage and current output in the framework allow the load error is less than 5 FS. Output voltage and current output is required to share a client, the output of negative side for the land. Output voltage and current settings accurate to two decimal number.)

说明：  直接通过ODBC读写Excel表格文件。基于数据库编写源程序。(Directly through ODBC to read and write Excel spreadsheet file. Prepared based on the source database.)

采用H323协议的ip电话通信系统，可以移植裁剪应用。(Ip with H323 protocol telephone system, portable cutting applications.)

vc++利用mfc实现speech sdk(vc++ use mfc speech sdk)

cai yong 一个串口拓展成4个串口！(1 uart to 4)

使用MFC实现多个窗口切换，同一个窗口可以同时4、6、9个小窗口同时显示(MFC implementation of multiple window switching)

学生管理系统,包括学生信息管理，成绩管理，违规查询等。(Student management system, including the student information management, performance management, and illegal inquiries.)

计算机网络讲义谢西仁的，非常出名第五版计算机网络讲义谢西仁的，非常出名第五版(West Yan Xie computer network notes, very well-known computer network notes the fifth edition of the West Yan Xie, very famous Fifth Edition)

此程序为在vc++6.0环境下使用MapObject2.3控件开发电子地图的例子.(This procedure in vc++ 6.0 environment controls the development of electronic map MapObject2.3 example.)

开源的FreeImage图形库的Win32平台发行包，可以方便日常的应用开发。(Win32 platform open source graphics library FreeImage distribution package, you can easily everyday application development.)