使用VB的OPC客户访问的最简单程序,本程序为查找服务器、组、项目的列表程序，同步访问程序请找ASync...

非常详细地介绍了GSM模块AT指令集的每条指令的功能，并附上例子。本文是全中文教程特别适合英文不是很好的初学者。-Very detailed description of the GSM module AT command set the function of each instruction, along with examples. This article is particularly suitable for the Chinese course English is not very good for beginners.

一个很棒的语音聊天工具，它的压缩算法采用GSM,evrc,qcelp等，支持目前流行的RTP协议传输。-a terrific voice chat tool, its compression algorithm using GSM, evrc, qcelp, popular support for the current RTP transmission.

中文RFC文件，无需翻译，对学习很有帮助！

VB连接S7 200 PLC的PC ACCESS服务器的OPC源码，很详细-VB to connect the S7 200 PLC

定义主机正在通讯闪灯信号，定义主机通讯传送握手信号，接收子程序，延时子程序-definition mainframe communications are flashing light signals, definitions mainframe handshake signal transmission, the receiving subroutine, delay subroutine

矩阵主机控制程序，利用键盘钩子猎取键盘事件，根据事件将控制指令发送到矩阵主机-Matrix mainframe control procedures, the use of a keyboard hook to hunt keyboard, the incident will be controlled under the instructions sent to the host matrix

gprs tutorials and summary

这是利用微软RTC类库做的Demo，是绝对可以跑的。注意修改include的路径。该程序是测试Call In的。-This is the class library using Microsoft RTC do Demo, it is absolutely the run. Changes include attention to the path. The procedure is to test the Call In.

我编的串口通读链接库,采用压缩BCD码,传送产率特高-I read through the series of serial-link library, using compressed BCD code, send the yield of high

TIME HOPPING SPREAD SPECTRUM SIGNALS (ULTRA WIDE BAND SIGNALS) - UWB SIGNAL DESCRIPTION - THE UWB TRANSMITTER - THE UWB RECEIVER