12-01-2006, 03:04 AM
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#2
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Fusion Brain Creator
Join Date: Mar 2006
Location: Colorado, but Canadian!
Vehicle: 2001 Honda Civic EX Coupe
Posts: 7,042
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Usually when you press buttons, a unique resistance is applied to the input voltage of the controller. What gets sent out is the "data" so to say.
No two buttons produce the same resistance when pressed. So your device must simply change the resistance.
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