USB interfacing using serial port, the software I used is in VB.net and Arduino ide for the Arduino compatible board (Gizduino328). The computer communicates to Arduino compatible board to light the LED's connected in digital pins 2 to 9.
what was the code you used??
can you post it here as a reference?
i tried with the C++ and it didnt work out so i wanna use it via vb.net& ur the first post i found online using serial and vb.net!