The Parrot Quadricopter is probably the coolest thing you can control with your iPhone, but not all of us are willing to shell out $300 for a fully equipped airborne vehicle. For the rest of us, however, a company named DeskPets has released CarBot, a much more affordable (under $30) little four-wheeled vehicle, easily controlled with a free iPhone app. The company kindly sent TUAW a unit to test, and I ran the little robot through its paces, using my iPhone 5 to control the little guy around my Los Angel
