International Journal of Engineering Research & Management Technology

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1 International Journal of Engineering Research & Management Technology March- 05 Volume, Issue- Automatic Security with Laser Shooter by PIR Technology with LCD Pageant Aditya Agarwal Assistant Professor Department of ECE SRM University NCR Campus Modinagar Karan Bhatia, Sanchita Sharma, Manan Chawla B.Tech Student Department of ECE SRM University NCR Campus Modinagar ABSTRACT This project is special and efficient system for security purpose. In this project we provide criminals detection and mention the direction and included shoot out with laser with On the basis of rotation of stepper motor. These days, radars are being used for detection but there are some materials like indium phosphite that can absorb the electromagnetic waves, so, to eliminate this disadvantage we use the P.I.R sensor which does not work on the principle of sending and receiving the EM waves as RADAR does, but it detects the infrared radiations of the human body which can t be blocked by any material and then identifies the target. Keywords: Security, LASER, PIR sensor, LCD pageant, stepper motor.. INTRODUCTION Due to increasing number of crime and burglary, the need of security system is very essential. The security system that monitors the area throughout the time and reacts effective to the threat is in need. We have lots of security systems in the market for both indoor and outdoor applications such as ultrasonic detectors, CCTV, microwave detectors, photoelectric detectors, infrared detectors etc. []. However one or the other systems have the limitations of being expensive, more electrical power consumption, more memory space utilization of the recording system and complex circuitry, etc. A solution to overcome these problems could be by using a sensor of low cost which has the ability to detect the intruders as they come within the sensor s detection range and generates an output. This output can be used for further signal processing or activating other devices like alarm system, lighting system, recording system and similar devices. This could at least save some power consumptions as some components get actuated only when there are intruders in the sensors detection range. Passive Infrared Sensor is a low cost, low power and reliable sensor []. Therefore it was felt that a PIR sensor based security system consisting of the sensor, laser shooter and a LCD pageant could overcome few or all of the above stated problems. The sensor can detect the presence I. SYSTEM DESIGN When the person enters from an unauthorized entry, his or her body temperature is sensed by the PIR sensor. These thermal radiations are focused on PIR filter using fresnal. Lens array. The sensing element converts these radiations into mv of charge which is then amplified by the FET. The step down transformer steps down the voltage from 0v to 9v. A full wave rectifier converts the AC to DC. Copyright@ijermt.org Page 69

2 Electrolytic capacitor is used as the main filter in order to convert the pulsating AC to DC. Voltage regulator regulates the power supply to 5v IC 4049 is used as an inverter IC for the microcontroller. The position of the person is displayed on the LCD pageant. ULN00 the driver IC for the stepper motor directs it towards the position of the person The laser shooter points in the direction of the person Buzzer beeps and the glows. Rx PORT DATA PIN Stepper Motor 805 Buzzer Lasser gun Fig..Block diagram of security system Page 70

3 GND VSS VDD VEE RS RW E D0 D D D D4 D5 D6 D TR? D? D? C? U? 7805 VI VO C? R? 0k RV LCD LM06L TRAN-PS D? PIR IR PIR IR SENSOR U:A 74HC4049 U:B HC4049 U:C HC4049 D9 D8 Q5 NPN D0 D U? 8 P.7 7 P.6 6 P.5 5 P.4 4 P. P. P./TEX P.0/T C? EA 0 ALE 9 PSEN R? 0k 9 RST 8 XTAL X? 9 XTAL AT89C5 CRYSTAL C? C? P.7/RD P.6/WR P.5/T P.4/T0 P./INT P./INT0 P./TXD P.0/RXD P.7/A5 P.6/A4 P.5/A P.4/A P./A P./A0 P./A9 P.0/A8 P0.7/AD7 P0.6/AD6 P0.5/AD5 P0.4/AD4 P0./AD P0./AD P0./AD P0.0/AD k U 9 COM 6 B C 5 B C 4 B C 4B 4C 5B 5C 6B 6C 0 7B 7C ULN00A D6 Q NPN D7 D D D D4 Q4 PNP Q PNP D5 BUZ Q? PNP Q NPN BUZZER Fig.. Circuit Diagram II. HARDWARE PARTS.. PIR Sensor: The PIR sensor is the core part of the system. The system basically function based on infrared radiation, which is emitted from human body []. PIR sensor is widely used in security system to detect the motion of human [4]. Infrared (IR) light is electromagnetic radiation with a wavelength between 0.7 and 00 micrometers. Human beings are the source of infrared radiation. It was found that the normal human body temperature radiate IR at wavelengths of 0 micrometer to micrometer [5][6]. This change in radiation striking the crystalline surface gives to change in charge. The sensor elements are sensitive to radiation of wide range but due to the use of filter window that limits the sensitiveness to the range 8 to 4 micrometer which is most suitable to human body radiation [5].PIR sensors are passive electronic devices which detect motion by sensing infrared fluctuations [6]. It has three pins (gate, drain and source). After it has detected IR radiation difference, a high is sent to the signal pin.pir sensor is made up of crystalline material that generates a surface electric charge when exposed to heat in the form of Copyright@ijermt.org Page 7

4 Fig.. Working of PIR sensor Fig. 4. Power supply circuit Page 7

5 . LCD Screen We use the lcd is total 6 pin lcd but here we show only 4 pins of the lcd with detail., Last two pins of the lcd is connected to the back light. Some time they are internally connected and some time they are connected by the power supply.[7] All the code data, mode option and password option is to be displayed on the lcd during processing. Fig. 5. LCD Display Copyright@ijermt.org Page 7

6 Fig.7 LDC interfaced with microcontroller Page 74

7 III. FUTURE WORKS In this PIR Sensor Based Security System, we have used low power, low cost PIR sensor that are easy to interface with other components. By using this system we were able to reduce the power consumed and memory space of the system. Considering all above points, followings are our future works set to improve the system: Use more than one webcam for video recording and integrating these webcams with the system. Work on the software to record videos from many webcams installed. IV. CONCLUSION In this paper, a PIR sensor based security system is proposed. It will combat the shortcomings o the RADAR system as they are radar absorption materials such as jaunnum materials which absorb the em waves thus detection is hindered. The PIR sensor works by sensing the radiations of human body, thus is very effective ACKNOWGMENT We would like to thank S.R.M University, NCR Campus for facilitating and supporting us with the requirements to fulfill the project. REFERENCES:. Zamshed Iqbal Chowdhury, Haider Masudul Imtiaz, Moinul Muhammad Azam, Aktar Mst. Rumana Sumi, and Nafisa Shahera Nur, "Design and Implementation of Pyroelectric Infrared Sensor Based Security System Using Microcontroller," in Proceeding of the 0 IEEE Students' Technology Symposium 4-6 January, 0, lit Kharagpur, 0.. Piero Zappi, Elisabetta Farella, and Luca Benini, "Tracking motion direction and distance with Pyroelectric InfraRed Sensors," IEEE Sensor Journal Class Files, Herbert L. Berman and Los Altos Hills, "Infrared Intrusion Detector System,",7,78, Nov, L. Herbert, Berman, Altos Hills Los, and Calif, "Infrared Intrusion Detector System,",70,78, Nov., S. Yuvaraj Prof. and Ramesh S., "Improved Response Time on Safety Mechansim Based on PIR sensor," International Journal of Emerging Technology and Advanced Engineering, vol., no. 4, April Anonymus (007, March ), The Electromagnetic Spectrum [online] 7. David W. Crick and West Molesey, "Passive Infrared intruder Detector System," 4,4,6690, December 0, 980. Copyright@ijermt.org Page 75