A Telephone Based Wireless Remote Controller for Home Appliances

May 14th, 2015
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A telephone based wireless system for the remote operation of the home appliances is proposed. The telephone, acting as a remote controller, generates a DTMF signal corresponding to each dialed digit which is converted to a BCD code by the Telephone interface circuit.

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A Telephone Based Wireless Remote Controller for Home AppliancesAbstractA telephone based wireless system for the remoteoperation of the home appliances is proposed. The telephone, acting as a remote controller, generates a DTMF signal corresponding to each dialed digit which is converted to a BCD codeby the Telephone interface circuit. This is given as input to the transmitter module which is then used to control various home appliances through a receiver module. Data processing stages of the transmitter and receiver modules have been implemented using digital components, thereby avoiding possible use of conventional devices like monostable multivibrators. Due to the fullydigital nature, the proposed design is less complex and hence the implementation is cost effective.I. INTRODUCTIONWith the advancement in science and technology, humanbeings have developed a tendency to make their everyday life amply luxurious with the aid of technology. This has led to the development of many sophisticated gadgets and equipmentsthat assist them partially/fully in their daily activities. Operating all such electronic/electrical instruments in a modern house might be difficult for the elderly as well as disabled people. Our primary motivation to build a simple and low cost system which remotely operates all the home appliances stems fromthis point. We integrate our system with a standard telephone set so that the telephone can be used for the dual purpose of telephony and r

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