51单片机的MODBUS的通信协议，学习中。

RS232 control software

射频卡读写程序,C#版，绝对绝无仅有的，可以读写交通卡，需要读写设备-RF card reader procedures, C# version, absolutely unheard of, the card can read and write traffic, the equipment needed to read and write

双机串行通讯源程序(汇编),文件关联可以修改,默认为DXP2004-Dual Serial Communication source (compilation), file association can be amended, by default DXP2004

用C++BUIDER开发的双机通讯课程设计,包括了可执行程序,源程序和报告,功能完整,推荐使用.-C BUIDER development of the two aircraft communications curriculum design, including the executable, and source reports, functional integrity, and recommended.

8052串口驱动--(包括波特率计算,以及几个内存查看的shell命令)-8052-- (including baud rate, and several memory access to the shell commands)

串口通信，实现接收和发送功能。完整串口通信程序Vc++源代码-Serial communication, the realization of receive and transmit functions. Integrity of the serial communication program Vc++ Source code

PCF8566液晶模块程序，及其原理应用。-The program and application of PCF8566

SIEMENS西门子S7-200PPI通讯协议-SIEMENS Siemens S7-200PPI communication protocol

基于西门子手机开发的短信发送接收控件，可以收发短信，播打电话-based on Siemens phones send and receive text messages to the controls, can send and receive text messages, broadcast call

利用MSComm控件，不依赖太多硬件设备，指利用纯软件方法侦测串口通信参数设置情况-use MSComm control, do not rely on too many hardware devices that use software-only method to detect serial communication parameters settings