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Originally Posted by mechanicalbrain
Well it trully is a cool idea. Im curious about what you use to pick up the nerve signals?
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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.
Im not exactly sure what is in the electrodes themselves, as they are a custom built set for the RIT ISE department. But to me it appears just to be a very sensitive metal, and it doesnt seem there is much circuitry at all in the electrode itself.