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C51-RS485
- 此程序是一份单片机与PC的485通讯程序,通过此程序,可检测单片机485铜须是否正常,在PC端发送数据通过单片机返回相同数据,即为正常.-This program is a microcontroller and the PC 485 program, this program can detect single-chip 485 copper to be normal in the PC sends data through the microcontroller returns the sa
SendText
- 串口232/485通讯上位机软件,原代码。-PC 232/485 serial communications software, the original code.
RS232_485multi-design
- 485多机通讯的连接方式,主要有总线方式、星形方式等-connection of multi pc communication with 485
RS485
- 485通信程序,实现单片机与PC机间的485通信-485 procedures, MCU and PC-485 communication between
PC-485-MCU-Receive
- PC与485串信通讯程序,包含proteus仿真图,PC发送数据,通过485芯片控制单片机对应的led-String of letters with the 485 PC communication program, including proteus simulation diagram, PC to send data through the microcontroller 485 corresponding led chip control
a
- 基于485串行通信总线的电子抢答器系统 摘要:本文描述了一种电子抢答器的设计方案和实现。这一电子抢答器系统采用以PC和AT89S51为核心,以多机通信技术特性为基本机制,串行RS485为主要通信手段的架构。它提供了包括抢答时限控制,抢答竞争检测,实时分值更新等主要功能,并辅以相关音响和LED状态指示,最终实现了一种电子抢答器系统的简单原型。 -485 serial communication bus based electronic Responder system Abstract:
modbusPC485
- 485,modbuse,电脑直接控制继电器,实现在线控制-485,modbus,pc control
fx3u rtu
- 三菱 FX3u 作为从站,供上位机直接通过扩展485模块,通过modbus rtu 模式通讯读取数据,寄存器等信息。端口配置程序,9600kps 8 ,1,e格式。(Mitsubishi FX3u serves as slave station for PC to read data, register and other information directly by extending 485 module and communicating in Modbus RTU mode. Port
