In the real world, an ocarina is a lot less functional than the magical one Link has in The Legend of Zelda: Ocarina of Time. As Nintendo 64 lovers know, the Hyrulian hero can use his instrument to do things like manipulate the rain and switch between night and day. In our realm, ocarinas just sound nice. Allen Pan, better known as Sufficiently Advanced on YouTube, decided he was tired of playing his ocarina without mystical results. So, he did what any Zelda fan with the technological know-how would do: create a smart home setup controlled by an ocarina.
Via: The Verge