schematic project: micro:bit and https://www.bareconductive.com/shop/pi allow for a solution like https://www.bareconductive.com/shop/touch-board/ but with an micro:bit instead of arduino it could be hoped that http://bareconductive.com will take the idea to production for a micro:bit touch-board license should be as close as https://github.com/BareConductive/picap_cad_files/blob/public/LICENSE.md as the License of upverter allows