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电力机车牵引变压器试验站总控程序
- 电力机车牵引变压器试验站总控程序，VB开发，Access数据库，通过串口与西门子200系列PLC通信-Experimental electric locomotive traction transformer station master control program, VB development, Access database, via serial communication with the Siemens 200 series PLC
Serial-communication
- 利用vb的本身自带控件进行串口编程通信，简单实用-Using vb itself to bring their own controls serial port programming communication, simple and practical
VBEthernet
- VB环境下以太网串口设备测试通信软件 提供源码-VB Ethernet serial device under test communications software source code
communication
- 此程序应用单片机编写串口程序，利用VB编写上位机，实现上位机与下位机之间的通信-The preparation of this program application microcontroller serial procedures, using VB, PC, host computer and the communication between the lower machine
ppiVBB
- 1、通过DLL与PLC通信，基于ppi协议。 2、DLL文件名：S7_200_PPI.dll 3、串口，连接线为西门子PC-PPI电缆或自己焊接 4、S7-200 PLC 默认参数即可 5、默认一次最多读取100个VB字节或50个VW字，通过修改相关参数，可以读取更多 6、为了简化程序，仅提供V区操作，实际应用中足够了 7、操作VW字时，地址应为偶数-1, by the DLL to communicate with the PLC,
1117
- 用VB通过串口与数字电表进行通信，定时将数字电表的数据存储到SQL表中-Through the serial port using VB to communicate with the digital meter, digital meter timing data stored in SQL table
Acomm
- 用VB编程与三菱A系列PLC通信的源码，需要编写串口通讯工程的可以参考。-Programming with VB and Mitsubishi A series PLC communication source, the need for the preparation of serial communication project can refer to.
chatclient
- RS232 vb.net中串口说明，客户端与主机端可产生通信-Serial RS232 vb.net in that client and host side can generate communication
duolushujucaijiyuchuanshu
- 数据采集系统作为沟通模拟域与数字域的必不可少的桥梁有着非常重要的作用。本文介绍的重点是数据采集系统。数据采集与通信控制采用了模块化的设计，数据采集与通信控制采用了单片机8051来实现，硬件部分是以单片机为核心，还包括模-数转换模块，显示模块，和串行接口部分，还有一些简单的外围电路。8路被测电压通过通用ADC0809模-数转换，实现对采集到的数据进行模拟量到数字量的转换，由单片机对数据进行处理，用LCD显示模块来显示所采集的结果，并将数据通过串行口传输到PC机上，MCU与 PC机间的电平匹配采用M
rs232
- 80c51和pc 机通过串行通信程序，电平转换用MAX232 (1)单片机端的数据传输程序 汇编或者c51 (2)pc机端的vb或者vc编写的通信程序 最好是vb (3) pc机 用的是com1 9针端口 -80c51 and machine through the serial communication pc procedures, level translators with MAX232 (1) single-chip end of the compilation
commPortTest
- 用vb 通过串口进行通信的测试或学习用的串口收发程序，课以帮助大家了解串口-Use vb to communicate through the serial port test or learn to use the serial port to send and receive procedures, classes to help you understand the serial
pwm
- 单片机通过串口与电脑通信，通过VB2005达到人机界面可视化操作，直观形象！ 单片机将采样来的信息通过串口传到VB中，从VB中显示转速！-Single-chip computer through the serial communications, the adoption of VB2005 visualization to achieve human-machine interface operation, intuitive image! Single-chip will sample
vb_and_51
- 本程序分为VB和C51两部分，通过串口使PC机和51单片机通信。-This program is divided into two parts, VB, and C51, through the serial port to PC, and 51 of the microcomputer communication.
SerialCommuication
- 智能仪表与计算机通过RS232串行端口进行通信的数据采集程序，VB代码，仪表为XMT3001，不同的仪表仅通信协议不同-Intelligent Instrument and computer to communicate through the RS232 serial port data acquisition program, VB code, and instrumentation for the XMT3001, a different instrument is only a diff
test
- VB环境下的串口测试程序，测试两台PC机的通信状态。-VB Serial Interface in testing procedures, test PC-communication state of two.
vbexport
- 这是一个vb编写的利用串口进行通信的程序，用于生产线上检测export机器功能是否正确-This is a vb serial port to communicate using written procedures for production line testing export machine is functioning correctly
com_msg
- VB开发的，基于串口的通信源码 详尽的解释，让你对串口迅速入门 ，本来是用于自己AT80S51单片机测试的程序 ，如有问题，希望指正联系-VB development, based on serial communication source detailed explanation, let you quickly started on the serial port was originally used for their AT80S51 microcontroller tes
chuankoutongxin
- 一个基于串口的通信程序，友好的操作界面，有源码，适合VB学习和单片机开发。-A serial communication program based, friendly interface, with source code for VB learning and development of SCM.
MSComm
- 利用VB中的MSComm控件，实现对串口数据的接收。工程中有详细的通信程序。在上位机中将接收到的数据显示出来。-MSComm control in the use of VB to realize the serial data reception. Engineering Communication Program in detail. In the host computer receives the data will be displayed.
Winsock_Server(Optimization)
- 基于VB平台下，采用WinSocket控件来开发的通信Server端程序，添加了串口GPS数据接收以及添加了VB中一些基本控件的应用。-VB-based platform, using WinSocket controls to the development of communication Server-side program, add the serial port to receive GPS data, and add some basic controls in a VB appl