Connect one terminal of the second flat push button to pin 3 of Arduino and the other one to ground through jumper wires. Similarly, you can connect the (+) of buzzer to pin 7 of Arduino and the other ...

[Ed] was tasked with adding push-button degaussing to an arcade cabinet’s CRT console. The display can be rotated to portrait mode for games that require it, but each time this is done, the m… ...