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- rs232 and rs485 communication
RS232RS422rs485
- RS232，RS422和RS485都是串行数据接口标准应用于各通信领域，本文是介绍这三个标准的一些规范和应用。-RS232, RS422 and RS485 serial data interface standards are used in various communications fields, this article is to introduce some of the three standard specifications and applications.
rs232yurs485
- 什么是RS-232-C接口？采用RS-232-C接口有何特点？传输电缆长度如何考虑？rs232与rs485区别 -What is RS-232-C interface? Using RS-232-C Interface What are the characteristics? How to consider the length of transmission cable? difference between rs232 and rs485
1
- 7128步进电机驱动芯片控制程序、通过RS232串口进行控制，也可通过RS485进行总线控制-7128 stepper motor driver chip control procedures, control through RS232 serial port can also be carried out through the RS485 bus control
232-485
- RS232 switch to RS485
DOP-B_Q_TSE_20101101
- 目前较为常用的串口有9针串口（DB9）和25针串口（DB25），通信距离较近时(<12m)，可以用电缆线直接连接标准RS232端口(RS422,RS485较远)，若距离较远，需附加调制解调器（MODEM）。最为简单且常用的是三线制接法，即地、接收数据和发送数据三脚相连，本文只涉及到最为基本的接法，且直接用RS232相连，以回答前段网友的咨询-There are currently more commonly used 9-pin serial port (DB9) and 25-pin s
serial-communication-programming
- 1.RS-232-C详解 2.串口通信基本接线方法 3.串口通讯的概念及接口电路 4.有关RS232和RS485接口的问答 同步通信方式 通信协议-1.RS-232-C detailed explanation 2 basic wiring method 3 serial communication interface circuit concept and About 4 of RS232 and RS485 interface.
ex_rs485
- Converts RS485 data and puts it onto RS232 data line.
iiuo442
- Direct RS485 serial port operatio Visual C++6.0 environment applica Vc ds18b20 PC-based program RS232 serial communication with a VS2005 on the use of a serial com This is a 20 on the serial commun Visual C++6.0 environment using M
AS3992-MODULE
- 奥地利微电子AS3992芯片的RFID读写模块支持EPCClass 1 Gen 2协议(ISO18000-6c)，支持DRM有较好的防冲撞和抗干扰能力，工作频率840~960MHz，支持USB和RS232接口。具备了RFID读写全部基本功能。 为了充分发挥这款模块电路的潜力，新开发的RFM-x系列超高频RFID读写模块在奥地利微电子原方案基础上从硬件上增加了以下主要功能。 1）双通道输出，功率独立可调，通道隔离度>37dB； 2）一个主动RS485接口，用于驱动扩展功能电
RsofftzipS
- RS232 与 RS485 互相转换，两个端口口能是不同的波特率，编译平台IAR for AVR -RS232 and RS485 conversion, the two ports, port is a different baud rate, compiler platform IAR for AVR
TEg119200M
- 这是几年前我写的，自动识别RS485与RS232接线极性、自动动检测波特率、自动匹配协议的云台控制软件源码，只是当时我还没用C写 -This is a few years ago, I wrote, automatic identification of the RS485 and RS232 wiring polarity, auto-fixed baud rate detection, and automatic matching protocol PTZ control softwar
485-232
- 将从RS485端口接收到的数据通过RS232端口发送出去 微处理器为msp430f149-From the RS485 port of the received data is sent via the RS232 port microprocessor as msp430f149
Sserialporte
- 串口通信编程大全RS232 RRS422 RS485 -Serial communication programming Daquan RS232 RRS422 RS485
RS232RS485
- rs232转max485硬件实现的转换器-rs232 to rs485
RS232andRS485
- RS232与RS485区别，RS232与RS485区别在于物理层面-Difference between RS232 and RS485, RS232 and RS485 difference is that the physical level
51-485
- 51单片机与电脑实现RS485,RS232通讯程序,包括C,汇编. 附带两片51单片机互相通信的串行通信程序-51 MCU RS485, RS232 communication to PC, including C and assembler. Comes with two 51 single-chip serial communication program to communicate with each other
VB-Read-IEC1107
- 电脑RS232转RS485接口，读取进口电能表（IEC1107规约）的数据并显示。VB开发环境。 通用读取程序，在兰吉尔电表测试通过。-Computer RS232 to RS485 interface, read the the imported energy meter (IEC1107 Statute) of data and display. VB development environment. General reading program, by Langille meter te
modbus_protocol
- 基于arm2410+Linux，MODBUS协议ASCII模式主从通讯的实现，通过RS485,RS232进行数据传输-Base on Arm2410+Linux,MODBUS Protocol,ASCII Mode,Master&Slave Communication，via RS485,RS232
NXP-cortex-M3_AD7705
- NXP cortex-M3 平台下实现AD7705数据采集，RS232通信，RS485通信等功能-NXP cortex-M3 platform AD7705 data acquisition, RS232 communication, RS485 communication functions