most of the time, people just use it to block the voltage that comes trough the wire.
but now, it is regonized by the arduino.
have fun, dinky
Step 1: The LED
Step 2: The Wires, the Bread-board & the Button
insert the 2nd wire in:''4''
Step 3: Programming
file / sketchbook / examples / digital / button.
if you don't have the software you can download it ad:
but you have to make some adjustments:
int inputpin = 2 ; the 2 is suposed to be 4.