串口通信类，非常有用，Cserial，欢迎下载

modbus通信协议中文版，详细介绍了modbus协议，LRC校验，CRC校验等，并给出了C语言例程代码。-modbus conmmunication(chinese)- Modbus protocol,LRC,CRC,how to program with C

IC卡考勤系统源代码,动态连接库中函数说明,源程序中有相关的使用说明.-IC card attendance system source code, dynamic link library functions show that the source is related to the usage instructions.

专业串口通信设计控件(非源码)，可用于VB,VC++,Delphi,.NET等开发语言-professional Serial Communication Design Control (source) that can be used VB, VC, Delphi,.NET development languages

VC++串口通讯编程事例,通过它可以了解在VC中如何进行串口通讯的-VC serial communication programming examples, which can understand how VC serial communications

串口通信PC机应用程序-PC serial communication applications

安防设备的云台控制软件，基于pacolD协议-PTZ Security equipment control software, based on the agreement pacolD

SIM300 TCPIP Application Notes 英文手册，希望对您有用 -SIM300 TCPIP Application Notes English manual, want to be useful for you

一个gps通讯接口程序可及时更新计算机时间-A gps communications interface program may update computer time

串口实现双机互联,仅供参考!VC控件MSComm编写串口通信程序的源代码，并写出详细的编程过程-serial dual-Internet for reference! Preparation of VC MSComm control serial communication program"s source code, and write a detailed programming process

串口短信通信收发软件,大家下下看看吧,不错的哇!-serial communications transceivers messaging software, we look at the Lower bar, a good wow!