USB总线与429总线数据转换的USB端（基于PDIUSBD12）的WDM驱动程序...

时间同步协议实验库文件，无线传感器网络实验可用。-Experimental protocol time synchronization library, wireless sensor networks can be used experiments.

中文RFC文件，无需翻译，对学习很有帮助！

Industrial network : Modbus, Ethernet

关于串口的串口通讯例程，希望能对大家有所帮助-On the serial port of the serial communication routines, hoping to be helpful for everyone

对国际标准的ISO GM 数控机床加工代码进行解码和编码，并优化数控程序代码，压缩通讯信息量，提高通讯速度，给下位机（如DSP，FPEA）提供能够处理的数据-of international standards ISO GM CNC machine code decoding and encoding, and NC code optimization, compression communication of information, improving communication speed to the next crew (such as DSP, FPEA) will be able to handle data

模拟短消息网关,附带发射短消息类 方便发射SMS-simulation Short Message Gateway, fringe launching short news category convenient launch SMS

从msp430外部时钟管脚输入测试脉冲信号，定时记录脉冲个数，实现精确测频。

sim3xxDZ hardware design guide

1、php程序，无数据库； 2、输入手机号码的前7位或11位可查询归属地； 3、调用手机在线官方数据，无需维护； 4、DIV+CSS模板方便修改； -1, php programs, no database 2, enter the phone number of the first 7-bit or 11 can be found ownership of land 3, call phone line to official data, no maintenance 4, DIV+ CSS template to facilitate change

本程序包括一组子程序和中断程序，通过S7-200自由端口功能来产生从Modbus RTU. 它支持下列Modbus功能：----1.读输出(线圈)----2.读输入(触点)----3.读保持寄存器(V 存储器).----4.读输入寄存器----5.写单路输出----6.写单路保持寄存器----15.写多路输出----16.写多路保持寄存器-this includes a subroutine and the interruption procedure for the adoption of the S7-200 free port functions to generate from the Modbus RTU. It supports the following functions : a Modbus. Reading output (2) coil. Reading input (contact)---- 3. Reading maintain registers (V memory ).---- 4. Reading input register---- 5. write single-output---- 6. write to maintain the single-route Register---- 15. write multiple output---- 16. write multiple maintain registers