FD30调频无线对讲机 电路原理图 很难得的资料！

CREATEROOMimg33 with visyal basic

网络授时服务是在网络上设置一些时间服务器，用户通过Internet访问这些时间服务器就可同步本地计算机时钟的服务。-network time service on the network is set up some time server, Internet users visit those time servers can be synchronized to the local computer clock service.

详细介绍PIC单片机使用SPI方式与IC卡进行数据传输的原理和电路设计，以及使用USART方式与PC机进行串行异步通信的工作原理；介绍PIC单片机听SPI方式和USART方式的设置方法。-PIC detailed the use of SPI with Single-chip IC card for data transmission principles and circuit design, as well as with the PC using USART serial asynchronous communication for conducting the working principle to listen to introduce single-chip microcomputer PIC mode and SPI mode USART Ways settings.

通信网理论，排队论基础，包括单服务台以及多服务台排队-telecommunication network theory concept of queue theory include 1 server and N server

有关r232串口编程的程序,有关r232串口编程的程序-the r232 serial programming procedures, the r232 Serial Programming procedures

powerline communication 的 channel-powerline communication channel

用于通信中信道编码-for communications channel coding

很好用的聊天室代码，采用了socket技术，提供了多种展现方式！ 可以直接调用DLL

用VB进行串口实时数据采集-using VB Serial Real-time Data Acquisition