chapter 1Introduction1.1 Background of the projectThe “Door-opening alarm using PIR sensor” is used to produce sound to alert the owner of a shop or house when someone enters through the door. The project can be used at the workshop, office or home for security purposes. When the door is opened, the sensor send signal to the rest of the electronic circuit. This critical and reliable door sensor is powered from a 9V electrical storage device pack. The power of the battery 9V goes to the resistors they pass the voltage and after passing through the door and closed neither the buzzer sounds nor LED glows.This type of door alarm can be utilized in commercial homes, buying shops, theatres, and so forth.
The gadget detects while a person comes close to to the entrance of the door and alert the owner. there are various sorts of sensors available within the marketplace to make such varieties of structures together with Radar sensors, PIR sensors, Infrared sensors and Laser sensors, etc. Our challenge makes use of a PIR sensor as the door alarm which senses the infrared power produced by the human frame. while a person strategiesthe door, the IR power sensed through the PIR sensor modifications and activates the sensor to show on the LED or sound a buzzer.
1.2 (Statement of the problem).The mission goals to reply the following questions: Does the assignment advantages the society? What is the important of the project? What is the problem of working with the sensor? How we get the design of the circuit and its working? Where is the project most useful? 1.3 (Objectives of the project).beneath are the purposes of the task: on the way to know why the project is crucial. To specify the problem being met in the usage of assignment.
To demonstrate who will benefit in utilizing the project. To recognize where the project is generally useful.1.4 scope and hindrance of the project the subsequent suggests the scope of the mission: it’s far robotically controlled. Work easily with the sensor. It can be used in everywhere . The limitations of the project are the following: We can’t control it manually.
Works with difficulty with 12v battery. The sensor has specific distance to produce sound 1.5 importance of the task :The Door alarm device is an essential a part of domestic safety structures. This door alarm challenge is based on PIR sensor and Speaker. PIR sensor used to detect body motion and speaker to provide a beep after any movement detection. running this Door Alarm may be very clean. on every occasion all of us comes in the course/range of the Sensor, it detects the distance of the item from the sensor and if the object is within the described range, it sends the excessive signal to the buzzer and buzzer starts offevolved beeping.
you may test the circuit by setting anything in the front of the sensor inside the variety. As a team, we determined to make a brand new system that can assist human beings and the society in the homes, businesses, and workplace to be more secure. This venture can be beneficial for all the people.
also, it can be maximum beneficial for people who’ve huge houses and they may be at risk of being robbed and hence to be extra protecting. moreover, we are able to develop this project further and connect the sensor of this mission with external lighting fixtures out of doors houses. it will produce mild when someone enters the house1.6 Definition of terms Resistor: A Resistor is an inactive gadget to lessen current go through circuit, likewise have two terminal Fig(1)· PIR Sensor: A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion. PIR sensor detects any change in heat, and whenever it detects any change, its output PIN becomes HIGH.
They are also referred as Pyroelectric or IR motion sensors. Human also emits infrared because of body heat. PIR sensors can detect small amount of variation in infrared. Whenever an object passes through the sensor range, it produces infrared because of the friction between air and object, and is sensed by PIR.The main component of PIR sensor is Pyroelectric sensor shown in figure (rectangular crystal behind the plastic cap). Along with BISS0001 (“Micro Power PIR Motion Detector IC”), some resistors, capacitors and other components used to build PIR sensor.
BISS0001 IC take the input from sensor and does processing to make the output pin HIGH or LOW accordingly. LED Light LED is one kind of diode semiconductor light sensor have two lead put in circuit. Capacitor: A Capacitor is a little gadget can store a considerable measure of vitality in the electric recorded have two terminal electrical. Chapter 2Review of Related Literature(1) Similar local projects.(2) Similar international projects.(3) Similar local products.
(4) Similar international products. (1) Similar local projects: we didn’t find(2) Similar international projectsSaudi students create an alarm system:May 8, 2009, A group of Saudi students at the College of Electronic Communications in Jeddah, Humaid Al-Jahdali, Wahid Dahlawi, Emad Mahgoub and Abdulrahman Banafeh produced a home and office alarm system by programming the device on the telephone number of the office owner or home. A mobile phone number is entered through the device and programmed to this number. If an unknown person opens the door, the device will immediately dial the home owner’s number and the owner can access the house without the device dialing the phone because there is a secret number to enter.
Homehttp://www.mawhopon.net/?p=4957 (3) Similar local productsA device is placed on the doors Once the door is opened and the length of the door is open it reads out of 14 males and when the door is closed it closes immediately.
Fig2(LSP) (4) Similar international products.WIRELESS ALARM DOOR Fig 3(WAD)The Window/Door Sensor is intended to be utilized inside or out. At the point when mounted appropriately it can screen entryways, windows, doors, cupboards. Any entryway or window that opens.
At the point when the entryway or window is opened, the Sensor will transmit a flag to the Control Center. The settings on the Control Center choose/make sense of if a caution, alarm or chime sounds.https://www.amazon.com/DSC-SECURITY-WS4945-WIRELESS-TRANSMITTER/dp/B000V9XTBM https://www.youtube.com/watch?v=lvMnFzYIqRQ Chapter 3(Project plan):3.1 (Identification of Activities):(P Plan).
3.1 (Identification of Activities). ACTIVITY. humood sultan hamza motasim Choosing project title / / / / Collecting the component / / / / Writing chapter1 report / Writing chapter2 report / Writing chapter3 report / Writing chapter4 report / Writing chapter5 report / Testing the circuit / / / / Drawing PCB / / Printing PCB / / / / Copy the PCB on strep board / / / / Drilling / / / / Assembly in the PCB board / / / / Soldering / / / / Testing the circuit / / / / Designing the prototype / / / / Writing chapter 6 report / / / Writing chapter 7 report / 3.2 Allocation of workWeek 1: Meeting our supervisor to choose project title.Week 2: Searching about the title and our project circuit, and collecting the components. Week 3: Connect the components in the bread board and testing the circuit. Week 4: Drawing our circuit in PCB program .
Week 5: Print & connect the components on the PCB board. Week 6: Testing the project . Week 7: Writing the report and getting ready for the MSP. Week 8: Completed the final report .
Week 9: completed the final design for our project. Week 10: Submitted the project report and get ready for the final presentation . 3.2 Project Timetable (W1). (W2). (W3). (W4) (W5). (W6).
(W7). (W8). (W9). (W10). (Choosing our Advisor). (Meeting our Advisor). (Searching about the title & circuit).
(Collecting the components). (Connect component in bread board). (Testing the component).
(Drawing our circuit in PCB program). . (Print & Connect component on the PCB board). (Testing the project).
(Writing the Report). (Get ready for the MSP). (Completed the final report). (completed the final design for our project). (Submitted the project report and get ready for the final presentation). Table: Project TimetableChapter 4Project Design. When you open or close the door the sensor will produce sound.
4.1 (system & block diagram). Open/close the door Manually (by hand) after passing through the door and closed.
Neither the buzzer sounds nor LED glows. Fig4 (block diagram) 4.2 (Schematic diagram). Fig 5 (Schematic diagram) We designed “Door opening Alarm circuit using PIR sensor”. All the working of this circuit depends on the working of the PIR sensor. In this circuit we use 9v battery.
Also, when no motion in this circuit the current flow through the diode and transistor will open and the current will go to relay and the relay will open and will switch off so no LED will glow and the buzzer will not produce sound .When we have motion the current flows through transistor to the ground and the relay will close; the LED will open and the buzzer will produce a beeping sound. 4.
3 (System Flowchart). LED + BUZZER ON YES NO Fig6 (System Flowchart) Chapter 5(Simulation & testing).5.1 (functions of predominant additives). 1. PIR sensor: Fig 7 (PIR sensor)PIR sensors allow you to discover motion, pretty often used to differentiate whether a human has moved in or out of the sensors pass. they’re little, modest, low-control, simple to make use of and don’t smash.
consequently they’re by and large determinedin apparatuses and devices utilized as a part of houses or agencies. they’re often alluded to as PIR, “(allowing commentary without responding or attempting to forestall it) Infrared”, “Pyroelectric”, or “IR movement” sensors.Uses:1- Simple lighting control.2-Safety first, safety second.3- No more guest-guessing! 2- Relay: Fig8 (relay)What is relay? In this relay, when a present current through the coil, it transforms it into an electromagnet. The magnet pushes a change to one side, compelling the spring contacts together, and finishing the circuit they’re connected to. This is a relay from an electronic, boiling water (putting submerged/encompassing somebody with something) heater programmer.
How does a latching relay work? attractive Latching transfers may have either unmarried or double loops. On a solitary loop gadget, the hand-off will paintingsone way while manipulate is connected with one extremity, and could reset when the extremity is switched. On a double curl system, when (separated people into two inverse gatherings) voltage is connected to the reset loop the contacts will trade(beginning with one thing then onto the next). What is the use of a relay? By and large, the purpose of a hand-off is to utilize a little measure of energy in the electromagnet – coming, say, from a little dashboard switch or a low-control electronic circuit – to move an (electrical engine part) that can switch a considerably bigger measure of energy. 3- Piezo buzzer: Fig9 (Piezo buzzer) Is an electronic gadget ordinarily used to deliver sound. Light weight, straightforward development and low value make it usable in different applications like auto/truck turning around marker, PCs, call ringers and so on . 5.
4 Soldering Iron: A fastening iron is an apparatus that utilized as a part of binding, weld utilized between two things the PCB and the segments. Fig10(soldering) Drilling: an electronic machine gadget with a turning cutting utilized for making gaps. Fig11 (drilling) Chapter 6Results & Discussion.6.1 (Findings):MS is the input, so when the value in MS =1,(when there is motion) the relay will be NC (there is no power applied to the relay) and the LED glow and the buzzer will dialing sound on the other side, if the value of MS =0, ,(when there is no motion) the relay will be ON(there is power applied to the relay) and the LED will not glow and the buzzer will not dialing sound .6.
2 Graphical representation of results:Fig(12) (Graphical representation of results) 6.3 Analysis of the results and discussion of findings:when no motion in this circuit the current flow through the diode and transistor will open and the current will go to relay and the relay will open and will switch off so no LED will glow and the buzzer will not produce sound .When we have motion the current flows through transistor to the ground and the relay will close; the LED will open and the buzzer will produce a beeping sound.
Chapter 7 Conclusion & Recommendation.Today, Security has always been an important for all of people, especially for that people whose like security and installed at a workshop, office or their home.From this point we made our project “Door-opening alarm using PIR sensor” is used to produce sound to alert the owner of a shop or house when someone enters through the door. This project perfect choice for those people have big shops And homes also in workshops.
This project we learn many things such as: The component on owner project it is new for us. How to test component it is work or not work. How to use express PCB program. How to fix the component on PCB bored.
7.2 Recommendation:We recommended that:v Utilizing cameras to show what number of enter the entryway.v To utilize cameras we require microcontroller to make crafted by circuit batter. v Utilizing WIFI to interface cameras with telephone and making application to perceive what number of individuals enter the shop or office. Referenceshttps://www.
com/watch?v=lvMnFzYIqRQ http://www.mawhopon.net/?p=4957 Appendices:(Diode): Fig 13(diode)Diode permit electrical current stream one way with two terminals called the anode and the cathode.
Additionally diode make by semiconductor materials, for example, silicon, germanium, or selenium. (Capacitors): Fig 14(Capacitor)Capacitor is a little gadget can store a considerable measure of vitality in the electric recorded have two terminal electrical. (Resistor): Fig 15(Resistor) Resistor is an inactive gadget to lessen current go through circuit, likewise have two terminal.(LED light): Fig 16 (LED)LED is one kind of diode semiconductor light sensor have two lead put in circuit.