use ActiveX to achieve a serial communications test procedure, a certain degree...

232通讯软件 可以用于单片机与电脑通讯 以实现各种工业控制-232

本文介绍的用 89C51 单片机I/O 口模拟实现串行通信的方法，已成功 地应用在某电压数据采集系统中，实践证明能可靠地传送和接收数据。-This article describes using 89C51 microcontroller I/O port Serial communication simulation method has been successfully applied in a certain voltage data acquisition system, the practice has proven to be a reliable way to send and receive data.

投篮运球综合是运用单片机技术设计的一个易于算投篮个数的发明，该程序是为此而设计-shot dribble integrated microcomputer technology is the design of an easy shot count the number of inventions, the program is designed for this purpose

common communication

实现图像控制,云台解码器控制,站点选择(配有Access数据库).-image control, pan and tilt control decoder, site selection (equipped with the Access database).

这是一个用C编写的串口通信程序,可以用于嵌入式应用-This is a preparation of the C serial communication program, which can be used for embedded applications

完成MOTOBUS通信，实际03功能码。可实现与具有MOTOBUS通信协议的智能设备进行通信-Completed MOTOBUS communications, the actual function code 03. Can be achieved with MOTOBUS smart device communication protocols to communicate

pb9com目录：在PowerBuilder 9.0实现COM开发的例子；-pb9com Contents : PowerBuilder 9.0 in the development of the COM achieve example;

用api实现串口通信的一个工程文件，包含生成的可执行文件-use api archive com community

PL2303 driver , usb to serial driver for mobile phones