The Embedded Technology is now in its prime and the wealth of Knowledge available is mind-blowing. Embedded technology plays a major role in integrating the various functions associated with it. This needs to tie up the various sources of the Department in a closed loop system. This proposal greatly reduces the manpower, saves time and operates efficiently without human interference. This project puts forth the first step in achieving the desired target. With the advent in technology, the existing systems are developed to have in built intelligence
This system uses DTMF Decoder to control the applications. Every key will be having a unique tone, which is decided by combination of keypad‘s column frequency and row frequency. On the receiver end the set of frequency are spitted in accordance to their row and column frequencies from which the key pressed is found. In accordance to the key pressed the appliances are controlled.