Run a script when the button is pressed or the ends of the alligator clips plugged into one of the four inputs (A-D) are connected.
When the button is pressed, the script will run.
You can select the button or one of the four inputs numbered A-D.
The PicoBoard comes with four pairs of alligator clips that can be plugged into the inputs A-D. An input is connected if there is a good electrical connection between the metal ends of the clips.