We all talk about the trending technology, the Internet Of Things that is changing our lives day by day. It is creating a new world, quantifiable and measurable world where people and businesses can manage their assets in better informed way and make more timely decisions. This paper proposes a Smart Helmet for the accident detection using sensors and Arduino with IoT as a domain. The main feature of designing this helmet is to not only to make the helmet smart but also to provide safety to rider.