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SIEMENS西门子S7
SIEMENS西门子S7-200PPI通讯协议-SIEMENS Siemens S7-200PPI communication protocol
- 2023-01-06 21:15:03下载
- 积分:1
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This program writes a lcd HyperTerminal and everything you type on your keyboard...
This program writes a lcd HyperTerminal and everything you type on your keyboard to pc, using codevisionavr.
- 2022-01-21 02:56:41下载
- 积分:1
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a VB language, computer COM port for data transfer procedures.
一个VB语言编写的,用计算机COM口进行数据传输的程序。-a VB language, computer COM port for data transfer procedures.
- 2022-09-24 14:30:03下载
- 积分:1
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C51单片机IO模拟串口,简洁明了,非本人写,好程序,大家共享...
C51单片机IO模拟串口,简洁明了,非本人写,好程序,大家共享-C51 microcontroller serial IO simulation, concise, non- I write the program, share
- 2022-08-17 14:59:35下载
- 积分:1
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串口通信,写成dll便于参阅
串口通信,写成dll便于参阅-serial communication, written dll ease of reference
- 2023-07-28 21:10:03下载
- 积分:1
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computer serial port is a common interface, with connecting lines, simple commun...
串行口是计算机一种常用的接口,具有连接线少,通讯简单,得到广泛的使用。常用的串口是RS-232-C接口(又称EIA RS-232-C)它是在1970年由美国电子工业协会(EIA)联合贝尔系统、调制解调器厂家及计算机终端生产厂家共同制定的用于串行通讯的标准。它的全名是"数据终端设备(DTE)和数据通讯设备(DCE)之间串行二进制数据交换接口技术标准"该标准规定采用一个25个脚的DB25连接器,对连接器的每个引脚的信号内容加以规定,还对各种信号的电平加以规定。传输距离在码元畸变小于4%的情况下,传输电缆长度应为50英尺。 Linux操作系统从一开始就对串行口提供了很好的支持,本文就Linux下的串行口通讯编程进行简单的介绍.-computer serial port is a common interface, with connecting lines, simple communications, to be widely used. It is commonly used serial RS-232-C interface (also known as the EIA RS-232-C) it is in 1970 by the American Electronics Industry Association (EIA) Joint Bell System, a modem manufacturers and computer terminal manufacturers developed for serial communication standards. Its full title is "data terminal equipment (DTE) and data communications equipment (DCE) between serial binary data exchange interface technology standards," the use of a standard 25 feet to the DB25 connector, the connector pin of each signal content requirements, but also the right signal--
- 2022-01-30 12:03:25下载
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Tsunekata appliances provide a complete c serial programming source code
这是恒坚电器提供的完整的c++串口编程源代码-Tsunekata appliances provide a complete c serial programming source code
- 2023-04-13 05:45:03下载
- 积分:1
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rs485通信协议的规定,定义了串行通信协议中传输的信息内容及使用格式,可以参考...
rs485通信协议的规定,定义了串行通信协议中传输的信息内容及使用格式,可以参考-rs485 communication protocol requirements, defines the serial communication protocol to transmit the information content and the use of format
- 2022-06-28 21:10:56下载
- 积分:1
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its own use VB prepared by the serial communication program, 1 and 2. The two CO...
自己使用VB编写的串口通信程序,1号和2号。将两个COM口用串口线连接,就可以运行这两个程序了。实现的功能:1号程序随机发送两个数字,2号程序接收并进行计算,然后发回1号机,1号机接收并显示出来。-its own use VB prepared by the serial communication program, 1 and 2. The two COM ports with serial line connectivity, it can run on the two proceedings. The functions : 1 random procedure to send two figures, the No. 2 receiver and procedures for calculating and then sent back No. 1, No. 1 receiver and displayed.
- 2022-05-20 19:33:35下载
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基于vb的西门子plc和上位机通信的实现方法 拷贝就行
基于vb的西门子plc和上位机通信的实现方法 拷贝就行-vb-based Siemens plc and the personal computer communications method copy OK
- 2022-04-21 10:36:42下载
- 积分:1