ABSTRACT
The project aims to control different electrical appliances of house using smart phone. Traditionally electrical appliances in a home are controlled via switches that regulate the electricity to these devices. As the world gets more and more technologically advanced, we find new technology coming in deeper and deeper into our personal lives even at home. Sometimes we might forget to turn off lights or switch
off fan, in this case, we can remotely control the switches from any part of the world. This system also helps elderly and physically challenged people to control home appliances from anywhere they are. The system is designed in such a way that it can be controlled by dialing certain numbers in mobile phones from wherever we are. Home automation is becoming more and more popular around the world and is becoming a common practice. The process of home automation works by making everything in the house automatically controlled using technology to control and do the jobs that we would normally do manually. This project we propose a unique System for Home automation utilizing Dual Tone Multi Frequency (DTMF) that is paired with a wireless module to provide seamless wireless control over many devices in a house. This user console has many keys, each corresponding to the device that needs to be activated. The encoder encodes the user choice and sends via a transmitter. The receiver receives the modulated signal and demodulates it and the user choice is determined by the DTMF decoder. Based upon this the required appliance is triggered.