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Originally Posted by Kims Robot
The sensors are basically just little electrodes that are able to detect very tiny changes in voltage. When a muscle fires, there is an electrical impulse that can be detected by the electrode. This gets sent to an amplifier box which amplifies the signal and either outputs it directly or as an RMS value.
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Forgive my ignorance but doesn't the amplifier require power? And if so, would it be powered by the game port? I mean I know that the you don't intend to actually use it but I'm curious how you could implement it in a FIRST game.