Program LED with just USB port

Posted by LifeH2O on Stack Overflow See other posts from Stack Overflow or by LifeH2O
Published on 2010-09-03T12:54:59Z Indexed on 2011/01/16 21:53 UTC
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I want to control LED with C# using only USB port. I don't want to attach any other device with USB. I just want to attach LED directly to USB port pins and program it (blink etc). How can i do that? I am new to hardware programming and it will be my first program.

EDIT: I can do it already (blink LED) using printer port by attaching one led pin to data pin and other to ground. How can i do the same with USB port? My motherboard does not have a printer port. USB is the only option.

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