That may be more useful to the end-user, but the point of this is to learn how to make a basic IoT project (the title is IoT intro). This includes creating a ba

That may be more useful to the end-user, but the point of this is to learn how to make a basic IoT project (the title is IoT intro). This includes creating a basic circuit and interfacing with an API on the internet, which is something that a lot of IoT projects need. Closing the door automatically would involve interfacing with the garage-door machinery, which would be more complicated I imagine.