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说明：  一个opc客户端开发包，可以快速开发基于opc的客户端程序，此开发包需要授权(a client development kits, can be rapidly developed based on the client Oligomeric Proanthocyanidins procedures, this development kits need to empower)

类似simulink的小程序，在网上找到的，希望对大家有用。。(Similar simulink small program, found on the Internet, we want to be useful. .)

三菱通讯,VB源代码。经过全面测试。现与大家分享。(Mitsubishi communications VB source code. Have been fully tested. Now share with you.)

用VB编写的串口调试助手，附带51程序，大家可以学习，很经典，很地道(With VB serial debugging assistant, with 51 programs)

W5100 spi connect describe

比较完整的OFDM的仿真模型和源码,有比较完整的设计思路,可供学习(Relatively complete OFDM simulation model and the source code, there is a complete design ideas, to learn from)

数字集群信道编解码程序，包括BCH和RCPC,属于欧洲ETSI Tetra标准。(digital trunking channel coding and decoding procedures, including BCH for RCPC and, European ETSI Tetra standard.)

CAREL控制器通讯协议，通过这个文件即可编写自己carel控制器监控程序(CAREL DLL_LIBRARY32_2.1)

使用NMEA0183的gps服务程序原码(use of a GPS NMEA0183 service program source)

PMA规约模拟测试软件。适合初学者使用，包含几个常用规约(PMA Statute of the simulation test software)