serial port test

Thread Starter


Joined Jan 15, 2010
I really need help in testing my visual basic program, I just want to send some data in my serial port(well actually that is just a simple get the point) all I need is a circuit to test if my visual basic program is actually working...Could you point to me some circuit to be able to know if I really am sending the information to the TX pin of the serial port.

I just really want to test the program I have made

a lot of thanks in advance


Joined May 11, 2009
Some use hyperterm. But I prefer using the free tera term. Use a null modem cable, and another PC. It can well be an old PC (windows 95/98 type).
You find all you need about Tera Term and null modem cable, with Google