CHAPTER ONE
INTRODUCTION 
1.1 Background of study 

Has technology transformed humankind into omniscient being? Years back, communication was done through difficult means like travelling to the destination of the second party, posting letters est. Today people can communicate easily through various means like e-mailing, face booking, GSM etc. The new age of technology has redefined communication, most people nowadays have access to mobile phones and thus the world indeed has become a global village. At any given moment, any particular individual can be contacted with the mobile phone. But application of mobile phones cannot be restricted to sending SMS or starting conversation. New innovation and ideas can be generated from it that can further enhance its capabilities. Technologies such as infra-red, Bluetooth etc which has developed in recent years goes to show the very fact that improvement are infact possible and those improvement have eased our life and the way we live. Remote management of several home and offices appliances is a subject of growing interest and in recent years we have seen many systems providing such controls