
5. Making Hardware a Reality at OpenBCI | Scott Yuan
Neurotech Daily
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The New Design of an Active Dry Electrode
In terms of the new design, I don't know how much you can talk about this, but I know it's an active dry electrode. How is that different from what you've used in the past? In the past, we use the polymer or the plastics. The plastic themselves are conductive too. So there's a mix of conductive material with the plastic to make them have lower impedance. Outside of that, in the latest design, we put in amplifiers right on the sensor, right behind that conductive plastic polymer. That way, we could amplify the signal at the source, or close us to the source as possible. By doing so, we get much higher signal to
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