4 layers

RoboRyo
KaitoTLex/RoboRyo
This is team1280's replacement for the Robo Rio for more redundant and less annoying controls.
68 parts1MIT
Boards in 1 GitHub repository, designed in KiCad, that use the KSS243GLFG by C&K (-40℃~+125℃ 10mA 4N 50V Gull Wing IP40 Rectangular Button SPST-NO Surface Mount,Vertical SMD Tactile Switches ROHS). See how each wires it, with its parts, size, README and files; the KSS243GLFG’s symbol, footprint and pinout are on its own page.

KaitoTLex/RoboRyo
This is team1280's replacement for the Robo Rio for more redundant and less annoying controls.