Communication-by-SerialPort

说明：  Mamul for connecting 840D SL system by OPC

串口通过modbaus协议控制继电器，读取开关输入的PC上位机源程序(Serial control relay through modbaus agreement, read the PC host computer switch input source)

OPC Server服务器和驱动源代码，非常实用，支持Modbus RTU，Modbus TCP，IEC61850，CANopen协议等。您需求OPC Server或其他协议源代码，联系 truesoft@163.com(OPC Server source code for Modbus RTU，Modbus TCP，IEC61850，CANopen procotol.)

比较完整的OFDM的仿真模型和源码,有比较完整的设计思路,可供学习(Relatively complete OFDM simulation model and the source code, there is a complete design ideas, to learn from)

说明：  一种PC与单片机多机RS232串口通信设计应用(A PC with a single-chip multi-machine RS232 serial communication design application)

这是一个CD4067B的技术资料，希望对大家有帮助。(This is a CD4067B technical information, we hope to help.)

GSM reading book in the would

VC （MODBUS协议）上位机程序VC （MODBUS协议）上位机程序(VC （MODBUS）)

Mamul for connecting 840D SL system by OPC

一种基于服务质量的SMAC协议，对无线传感器的QOS的MAC协议代码。做了分析。(SMAC based on the quality of service agreement)