Pushbuttons are simple components. They have 4 physical leads, but they are in pairs, making 2 logical leads. The leads on one side are connected to the leads on the other side when the button is pressed.
Pushbuttons are simple components. They have 4 physical leads, but they are in pairs, making 2 logical leads. The leads on one side are connected to the leads on the other side when the button is pressed.