Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...

It's a gadget that will instantly order you a pre-programmed Domino's pizza with the push of a ... you don't want to use an app for, what is something you just want to hit a button for?