串口通讯，一个小程序，用Mscomm做的

profibus主站及从站源代码，可以作为主从站开发的借鉴-Profibus master and slave source code can be used as a major development from the point of reference

一个串口测试程序，包括源代码，供大家学习-A serial test procedure, including the source code for everyone to learn

西门子PLC步进电机控制+TD200显示示例-Siemens step moter+ TD200 Demo

MSComm在MFC的单文档中的应用-MSComm in MFC single document of

45db081的读写程序，应用于spi总线的读写，在keil c环境下编译通过-45db081 read and write procedures for the 20 bus to read and write, the c51 c compiler environment through

VB MODBUS资料，用vb传输串口通信的例子 -VB MODBUS example

《串行端口大全》附盘-"serial ports Daquan" Disks

一个迷你的com通讯程序，是用win32asm写的。功能全面-a program made by win32asm

本程序是通过串口，经由单片机控制电机转速的程序。该程序通过串口发送不同的信号，以实现控制通信。-this procedure is adopted Serial through SCM motor speed control procedures. The procedure adopted Serial send different signals to achieve control and communication.

串口程序。dos底下的编程源码，在TC环境下通过编译-Serial procedures. Dos programming source code under the TC environment through compiler