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Design and Implementation of Pyro-electric Infrared Sensor based Security System

Platform : ieee embedded projects

IEEE Projects Years : 2012

Design and Implementation of Pyro-electric Infrared Sensor based Security System

 

INTRODUCTION

          Security systems are necessary during any emergencies that occur at banks, houses etc. Hence in this project, a security system with a feature of motion and password detection is implemented.

          Using GSM the administrator will be informed about the people moving into the secured places, by sending an SMS to his mobile. At his work place, he can take a required action, which saves time during emergencies.

 

DESCRIPTION

           This  paper  evaluates  the  development  of  a  Low-cost security  system  using  small  PIR  (Pyroelectric  Infrared)  sensor built  around  a microcontroller. The low-power PIR detectors take advantage of pyroelectricity to detect a human body  that  is a constant  source  of  Passive  Infrared  (radiation  in  the  infrared region).  The  system  senses  the  signal  generated  by  PIR  sensor detecting  the  presence  of  individuals  not  at  thermal  equilibrium with  the surrounding environment. Detecting the presence of any

unauthorized  person  in  any  specific  time  interval,  it  triggers  an alarm  &  sets  up  a  call  to  a  predefined  number  through  a  GSM modem. The module is also having smoke sensor to detect fire. This  highly  reactive  approach  has  low  computational requirement,  therefore  it  is well-suited  to  surveillance,  industrial applications  and  smart  environments. 

 

8051 architecture based P89V51RD2 microcontroller from NxP is used to implement this project. Microcontroller acts as the heart of the project, which controls the whole system. It contains 1k RAM, 64k Flash, 3 Timers, 2 external interrupts, 1 UART, 32 GPIO’s, ISP programming support etc. KEIL IDE is used to program the microcontroller and the coding will be done using Embedded C.

 

BLOCK DIAGRAM

 

           
   
   

GSM MOBILE

 
 
 
   

POWER SUPPLY 5V, 12V

 

 

 

 

 

 

 

 

 

 

 

 

 

COMPONENTS USED

  1. Microcontroller - P89V51RD2 – Phillips.
  2. GSM Module
  3. Buzzer
  4. Alpha numeric LCD display.
  5. DTMF decoder and encoder.
  6. PIR sensor.

 

 

 

SOFTWARES USED

  1. Embedded C
  2. Keil Compiler
  3. Orcad Capture
  4. Flash Magic

 


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