embedded based home security system
DESCRIPTION
Embedded Based HOME SECURITY SYSTEM Using GSM & AT89S52TRANSCRIPT
CONTENTS
Introduction
Software & Hardware Requirements
Working
Applications
Advantage & Disadvantage
Conclusion
References
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INTRODUCTION
Safety is the most important requirement of home for
people.
AT89S52 based home security system, consisting an IR
sensor and GSM Module.
A System that detect intrusion into a building or area ,It
will send a message on your phone.
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SOFTWARE REQUIREMENTS
KEIL SOFTWARE
AT COMMANDS
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HARDWARE REQUIREMENTS
AT89S52 MC
GSM MODULE.
LCD
IR SENSOR
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Simple Architecture of GSM home security system
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AT89S52 MC
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8K bytes of Flash Memory
256 bytes of RAM
32 I/O lines
Two 16-bit timer/counters
A full duplex serial port
On-chip oscillator
4 to 5.5V Operating Range
GSM MODULE
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Global System for Mobile Communication
Works on frequencies 850 MHz, 900 MHz, 1800 MHz and
1900 MHz
It is suitable for SMS as well as DATA transfer application in
M2M interface.
Input Voltage : 5V to 12V D
About GSM Module9
Liquid Crystal Display
LCD is a thin, flat electronic
visual display
LCDs are more energy
efficient
LCD
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IR SENSOR
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0.75μm to 1000 μm is the
infrared region
IR waves are invisible to
human eyes.
WORKING
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• Detecting Obstacle
with IR Sensor
• It sends command
to mc
Working of GSM Module
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• The GSM modem acts like a cellular phone & transmits
text and voice data.
• It communicates with the GSM network via the SIM
card.
command Command SMS Are chor aa gye h
APPLICATIONS
Industrial security system
Bank security system
Home security system
Locker security system
Power Failure Reporting
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ADVANTAGES
Easy installation
Worldwide roaming
Low cost
Portability
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DISADVANTAGES
Range
Safety Issues
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SETUP OF ALL COMPONENTS17
CONCLUSION
• Low cost
• Secure
• Ubiquitously accessible
• Auto-configurable
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REFERENCES
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Mazidi, “The 8051 mc and Embedded Systems.
http://www.gsm-modem.de/gsm-module.html
http://www.gsm-modem.de/gsm-module.com
http://www.atmel.com/devices/at89s52.aspx
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