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Control LED by parallel port program

This is a discussion on Control LED by parallel port program within the C++ Programming forums, part of the General Programming Boards category; Hello everyone.. I want to write a code which can light a LED bulb through a parallel port. I don't ...

  1. #1
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    Post Control LED by parallel port program

    Hello everyone..

    I want to write a code which can light a LED bulb through a parallel port.
    I don't have a big knowledge in c++ programming.
    And very little knowledge in parallel port programming.

    Can anyone help me out with this?

    I'm using windows 7,Visual Studio 2010.Do i need any kind of driver to control the parallel port?
    Can i get this work done by a USB port?
    All i need is to light a LED (Basically output a voltage level high and low)

    Thanks!!!

  2. #2
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    You can certainly do it over USB with something like a FT232, but you'll have to design a circuit for that.

  3. #3
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    For programming the parallel port, a good start is here.

    I assume you know how to construct a circuit with a LED and resistor in series from a parallel port pin to earth. Bear in mind that drawing too much current from a parallel port pin is a good way to blow the parallel port.
    Salem likes this.
    Right 98% of the time, and don't care about the other 3%.

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    check this out too

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