This AX22-sized board mounts two tactile push buttons on a compact 22 × 22 mm PCB in a 45 ° diagonal layout just like the classic “A/B” arrangement on vintage handheld gamepads. Each switch is pre-wired with its own 10 kΩ pull-up resistor and debounce. Drop it into any AX22 backplane to add game-style input, dual-function menu selects, o