You will need the Arduino Board, a 560Ω resistor, and LED and the code example below. We set the pinButton variable as integer 8 and we connect the button at pin 8 on the Board. Then the LED is ...

[Ed] was tasked with adding push-button degaussing to an arcade cabinet ... of transistor-based designs on paper, grabbed a nearby Arduino. [Ed] took off the PTC and soldered in two wires ...