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This is a project to provide automated control over a relay that switches
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In summary, a relay is controlled to switch stereo input audio between two
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outputs. Also, one of the outputs can be overridden by plugging in some
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device with a unique vendor and product id. It is based on LUFA.
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Download the LUFA project and unpack it in to the root directory of this
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project. Then, either rename the LUFA directory to "LUFA", or just symlink to
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it (which will allow you to have several versions of the library, should you
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$ wget http://lufa-lib.googlecode.com/files/LUFA-120730.zip
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Having unpacked LUFA, build the audio-switcher software.