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Remote Accessing and Controlling of Electrical Equipments using Microcontroller and GSM

James M. Samu, Lijo Phillip, M.G. Anaswara, Reshma Prem, N. Sundar Kumar

Abstract


The human mind always needs information of interest
to control systems of his/her choice. In the age of electronic systems it is important to be able to control and acquire information from everywhere. Although many methods to remotely control systems have been devised, the methods have the problems such as the need for special devices and software to control the system. This paper suggests a method for control using the DTMF tone generated when the user pushes mobile phone keypad buttons or when connected to a remote mobile system.


Keywords


Microcontroller,GSM,DTMF

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References


GSM SYSTEM SURVEY, Student text, EN/LZT 1233321, R5B revised upgrade edition. p. 192.

Dual-tone multi-frequency, Available:

http://en.wikipedia.org/wiki/Dual-tone_multi-frequency

Schenker, L., “Pushbutton Calling with a Two-Group Voice-Frequency Code” - The Bell system technical journal (ISSN 0005-8580) vol:39 iss:1 pp:235-255, 1960

DTMF decoding, Available:

http://www.dattalo.com/technical/theory/dtmf.html




DOI: http://dx.doi.org/10.36039/AA032012006

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