Telephone Based Home Automation System By Lokendra Pankaj
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Transcript of Telephone Based Home Automation System By Lokendra Pankaj
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AProject Seminar on
Telephone Based Home Automation System
AtMAHARISHI ARVIND INTERNATIONAL INSTITUTE OF
TECHNOLOGYKOTA, RAJASTHAN
Group Members:-Krishan Gopal GuptaLokesh Kr. SindhavMohit AgrawalJagnandan SinghLokendra Pankaj
Project Guide:-Mrs. Anamika Agarwal
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Introduction
What is DTMF ?
Micro-Controller & IC’s used
Principal Of Relay
Coding & Simulation
Applications
Conclusion
CONTENT
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WHAT IS “HACS”….???Home Appliance Control System accessed
by a remote device such as mobile phone or a palm-top to allow a home owner to control, monitor and coordinate home appliances.
Why HACS….???1. Saves time2. Save money (Long run)3. Self Maintenance4. Security5. Makes life easy
INTRODUCTION
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When you press a button in the telephone set keypad, a connection is made that generates a resultant signal of two tones at the same time. These two tones are taken from a row frequency and a column frequency. The resultant frequency signal is called "Dual Tone Multiple Frequency". These tones are identical and unique
What Is DTMF…?
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We Will Use 89C51 Microcontroller.
It Is a 40 Pin Microcontroller.
Mostly Used DTMF Receiver IC Is The Motorola MT8870.
Used In Electronic Communications Circuits.
MT8870 is an 18-pin IC.
We Will Use 14 Pin LCD.
Microcontroller & IC’s Used
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89C51 µC
DTMF Decoder Interfacing
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89C51 µC
LCD
LCD INTERFACING WITH µC
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COMPLETE DIAGRAM
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PRINCIPAL OF RELAY
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Coding &
Simulation
C:\Program Files\FEPL\Topview Simulator -
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Security systems & Access control
Entertainment Systems
Communication systems
Wireless radio control
Mobile wireless robot control
Reporting during car accidents
Almost Anything Else you can think of…..
Application
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CONCLUSION
We should know what is embedded system & how it is playing important roll in our daily life.
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