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The Null-modem emulator (com0com) is a kernel-mode virtual serial port driver for Windows. You can create an unlimited number of virtual COM port pairs and use any pair to connect one COM port based application to another. The HUB for communications (hub4com) allows to receive data and signals from one COM or TCP port, modify and send it to a number of other COM or TCP ports and vice versa.
Ponticulus (a virtual COM-port over TCP/IP redirector) allows synchronous connecting and disconnecting to a remote serial port (e.g. on an embedded device). It was initially based on com2tcp, part of the com0com project. (http://com0com.sourceforge.net/)
SCADA(Supervisory Control and Data Acquisition)systembased on Scilab,include Serial,OPC,Modbus,Mysql,TCP/IP interface, and PID simulation, FUZZY control and ect...
There are different files supplied. One program for webcam controlling inline with the orginal idé. And different help classes if you would like to do something yourself. Also a general package of classes to communicate with the RS232 port.