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gsm based home automation

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globel system for mobile communication

Most Popular Mobile Technology
Launch -1991by Radiolinja in Finland
Frequencies -900/1800MHz
Range –Global
Interface –Subscriber Identity Module
Services –SMS,MMS,GPRS,EDGE…

basic working of the system

User sends commands via SMS
2.Mobile at the system transfers it to Micro controller
3.The Microcontroller operates the Devices according to the command received.

construction

Development & testing of Software
Development of Circuit
Programming the Microcontroller
Bread board testing of the circuit
PCB Preparation
Encasement

advantage

Global Range
Low Cost
Low Power Requirement

disadvantage

Delays in mobile networks
Need of a mobile phone entirely dedicated for the system

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