I have developed a hardware that will give data in terms of angle of rotation. The hardware is connected to PC via serial port. I can show the value through Hyperterminal. Now i'm on the way to develope a software for it. So, I would like to know how to get the data into my user interface with C/C++ programming language? Furthermore, i would like to store it in DAT file. Anyone has done it before? Or any suggestions/ websites of tutorials that enable...