[quote]If my pc has not com port, may I can use an USB com port or an PCI ex1 card with com ports?[/quote]You will need to experiment with it to really know if it works. But I would guess that it would.
(Careful: due to the age of the kit, the demo is written in VB6)[/quote]
Thnaks. I have downloaded and I have tested already. I like it. But I want the the code (Visual Basic programme code) to make it more comfortable for me.
Please make sure to click setup and perform the install.
Then you will find the source code in a folder program files/velleman/K8056.
Of course, you need a VB compiler, otherwise you cannot do much with the source.