Bare-Conductive-Pi-Cap-for-Raspberry-Pi-A-B-2-&-3-Bare-Conductive-Pi-Cap-p-The-b-Pi-Cap-b-is-an-add-on-board-that-adds-precise-capacitive-touch-distance-sensing-&-high-quality-audio-functions-&-is-designed-for-use-with-the-b-Raspberry-Pi-b-A-B-2-&-3-&-any-Raspberry-Pi-with-a-40-pin-GPIO-connector-br-br-Using-the-Pi-Cap-it-is-very-quick-&-simple-to-connect-a-Raspberry-Pi-to-the-physical-world-The-board-has-12-capacitive-sensing-electrodes-that-can-have-any