Helmet part and second Part is Bike part. 3.1 Helmet Part Figure -1: Block Diagram of Helmet Part The block diagram of the helmet part is shown in above figure. The helmet part contains the Arduino mega as controller. SIM808 as the GSM/GPS module. 16x2 LCD for indication 16x2 LCD is optional. It contains the buzzer, Arduino is also used in this project which is an open source tool for making computer that can sense. According to the Research paper in 2015 titled 'Smart Helmet', In this project the author has proposed the smart helmet because of growing bike accident. People get injured or might be dead because of not wearing helmet.