51单片机作为主站的MODBUS通信协议，可实现读写从站寄存器的值...

AD7705数据转换程序，可用于小信号无需放大的转换-AD7705 data conversion procedures, the need for amplification of small signal conversion

串口通讯-Serial Communication

和基本使用BCB控制RS-232信号控制测试的源代码，初学者推荐

delphi 编写的云镜控制支持PELCO P/D协议的DLL。 支持对云台镜头及辅助开关的操作。直接封装了SPCOM类，调用只需输入COM口号及对应的命令字符及可。-delphi prepared by the Mirror-control support PELCO P/D agreement DLL. Yuntai support for the camera and auxiliary switch operation. Packaging a direct SPCOM category, called keys COM slogan and the corresponding characters can be ordered.

VCL控件，功能强大，包括串口，Moden，传真-VCL control, powerful, including serial, Moden, fax, etc.

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

通过串口把BMP文件串到FLASH中的程序，包含界面-put through a BMP file to Flash series of procedures, including interface

VC编写的一个WinSocket及串口通信的例程代码-VC Winsocket prepared by a serial communication and code routines

此程序可以帮助你在没有串口的单片机上,实现串口功能,用C51编程,有利于移植!-this program can help you in the absence of SCM Serial, Serial function, C51 program is conducive to transplant!

完整的异步串行通信的处理程序-integrity of the asynchronous serial communication procedures