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...

众志-863系统芯片 USBDC（univer serial bus devce control通用串行总线设备控制芯片，以下简称USBDC）是和带有USB主机控制器的设备进行通信的支持部件，实现和带有USB主机控制器的设备进行数据交换。 USBDC和APB连接进行寄存器的初始化配置，和DMAC连接进行大量的数据交换。-USBDC system-on-chip (Univer serial bus control devce Universal Serial Bus device control chips, hereinafter referred USBDC) and USB host controller with the communications equipment of support components, to achieve and with a USB host controller equipment for data exchange. USBDC and APB connection configuration register initialization, and DMAC link for the exchange of large amounts of data.

使用vb.net实现串口通讯的过程，具体见程序。谢谢！-vb.net using Serial communication process, see the specific procedures. Thank you!

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

串口的监控程序,提供了固定命令模式和，用户自定义模式。-serial monitoring procedures, and providing a fixed command pattern and user-defined mode.

一个好用的串口调试软件，不下载可惜了，方便你的工程开发-An easy to use serial port debugging software, not to download Unfortunately, and to facilitate the development of your project

这是我做的关于考勤机的一些测试程序，请大家积极下载，很有帮助。-This is my appraisal done on the plane of some testing procedures, please download positive and helpful.

VC的COM口驱动程序,使用了ACTIVEX控件-VC COM port drivers, the use of Activex Control

《PC数据采集》源代码-"PC Data Acquisition" source code

简单的串口通信程序,验证串口是否连接正确,三线通信.可同时发送接受.相当简单聊天程序-Simple serial communication procedures, to verify whether the serial connection is correct, three-wire communication. Can be sent at the same time to accept. Very simple chat program

实时控制，可根据需要增加或删除参数变量，随机曲线表示实例。-Real-time control, can be the addition or deletion of variable parameters, said examples of random curves.