Industrial network : Modbus, Ethernet

NRF2401无线模块，STM32程序实现了数据双向通信.它分为接收和发送两部分，发送时发送的源程序，接收是接收的源程序，分别设置了俩个文件夹。nrf24l01在stm32的模块上，通过spi接口连接，实行通信，最终实现两块单独的stm32模块实现短距离的无线通信，速度高，功耗小。

串口 C++ ,可用测试设备串口传输数据的正确性！拷贝的一个详细的程序，源代码完整，已经编译通过，请共享，大家请下载； 有效有用。

OPNET仿真实例，有助于初学者的快速学习。-OPNET simulations help beginners learn fast.

Unix 到 Newton通讯的程序 -Communication between Unix and Newton

WinMobile下的gprs测试代码，很适合入门学习。-WinMobile under gprs test code

document from Aircom on GSM

a very simple program that prints "Hello World" to the serial port of the 8051. When you can successfully build and run this program, you have used the entire toolset including:- a very simple program that prints "Hello World" to the serial port of the 8051. When you can successfully build and run this program, you have used the entire toolset including:

Pelco D 的控制命令-Pelco D control orders

qam的调制解调程序 很使用的一个程序，大家-qam modulation and demodulation procedures are used by a program, we look at