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  1. #1
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    undefined reference to `Quadrature::Quadrature(int, int)

    Please help:
    i have installed the libraries to the right place, but i keep getting this. how do i fix it.
    undefined reference to `Quadrature::Quadrature(int, int)

  2. #2
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    Re: undefined reference to `Quadrature::Quadrature(int, int)

    Can you give us a little more to go on, it's very hard to help without seeing what you are doing.
    1. What Quadrature library are you referring to? I don't see any library by that name at Arduino.cc. Please post a link to it.
    2. We need to see how you are using it in your sketch. Can you post the entire sketch, or at least any portion of it related to the encoders.