• Surya T
• Ramesh K

Nowadays Using mobile phone has increased worldwide at the same time we have to consider the risk associated with it. Using a mobile phone while driving can affect the cognitive functions of persons, distract his or her visual concentration and also the speed of processing information. The theme of the project is to make the driver to attend only the emergency calls. Initially when a call is made to driver then he will receive a message intimating that he is in driving. If once again the person makes a calls to the driver then the driver will understood that it is emergency. So the driver will get an intimation regarding the emergency call in voice and automatically the car speed need to be reduced using PWM inorder to prevent accidents due to mobile phone .

Mobile Phone, GSM Modem, Ultrasonic, Heart Beat Sensor, PWM Technique

"An Adaptive Hand-free Design Technique for Mobile Communication in Vehicle", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.2, Issue 5, page no.1576-1583, May-2015, Available :http://www.jetir.org/papers/JETIR1505045.pdf

"An Adaptive Hand-free Design Technique for Mobile Communication in Vehicle", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.2, Issue 5, page no. pp1576-1583, May-2015, Available at : http://www.jetir.org/papers/JETIR1505045.pdf