I need to use the PCI card so the software in the computer can tell the relay when to close, and send power to the light. I did consider using usb, but I am not sure how to program the software to do the same as it does off the PCI card. To give you more information about what I am doing; the...
Sorry, I am not an electronic engineer but I do use eng-tips sister site tek-tips for telecommunications, but it looks like I need some eee assistance.
I attached a diagram showing what I have. To put it in words, I have a computer with a PCI card, that has a DB 15 port, that can be programmed...
