Siemens PLC与VB通讯的例子。先要安装Siemens的PCAcce

This the source code for I2C(Inter Integreted Circuit) which is used in serial communication-This is the source code for I2C(Inter Integreted Circuit) which is used in serial communication

讲述串口通讯的代码,是用C写的,可以参考利用-About serial communication code is written in C, you can refer to the use of

基于RS－232的，对多路转换开关的控制程序，希望对大家有用！^_^-based on RS-232, for multi-channel switch control procedures in the hope that it may be useful right! ^ _ ^

模仿DCS系统主站的仿真软件，使用串口来收发数据。-imitate DCS system master station simulation software, the use of serial ports to send and receive data.

射频卡读写程序,C#版，绝对绝无仅有的，可以读写交通卡，需要读写设备-RF card reader procedures, C# version, absolutely unheard of, the card can read and write traffic, the equipment needed to read and write

通过手机串口发送短信的VB控件代码,在NOKIA等手机上已经通过测试.

UART_verilog,自己设计的异步串行收发。包括测试文件。-UART_verilog, designed to send and receive asynchronous serial. Including the test file.

VB OMRON-PLC通讯源程 VB OMRON-PLC通讯源程 VB OMRON-PLC通讯源程-VB-PLC communications VB source-OMRON- PLC communications VB source-OMRON-PLC communications-source

基于MAXII的RS232串口通信程序.还有使用VB编写的上位机串口通信软件。-MAXII based on the RS232 serial communication program. There are prepared to use VB PC serial communication software.

对一组数进行计算，产生两个字节的CRC校验结果的程序-Calculated on a set number to generate two bytes of the CRC check result of the procedure