Mobility

Remote Control of Electrical Appliances Using GSM Networks

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Executive Summary

For over two decades the need for an improved method for transferring dialing information for control purpose through the telephone network was recognized. The traditional method of Dial Pulse signaling was not only slow and susceptible to distortion over long wire loops but also requires a Direct Current (DC) path through the communication channel. This paper presents a Global System for Mobile Telecommunication (GSM) network based system which can be used to remotely send streams of 8 bit data for control of electrical appliances. Furthermore, this paper used the Dual Tone Multi-Frequency (DTMF) function of the phone, and builds a microcontroller based circuit for appliances control to demonstrate wireless data communication.

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