4 layers70 × 70 mm

Boards in 2 GitHub repositories, designed in KiCad, that use the B3FS-4055P by Omron (-25℃~+70℃ 1,000,000 cycles 12mm 12mm 2.6N 24V 50mA 7.3mm Gull Wing Round Button SPST-NO Surface Mount,Vertical SMD-4P,12x12mm Tactile Switches ROHS). See how each wires it, with its parts, size, README and files; the B3FS-4055P’s symbol, footprint and pinout are on its own page.



