Construction Of An Intruder Alarm System
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The intruder alarm system was designed and build in order to let the industrial and commercial company know how important alarm system is all
about. These can be of Good help if the intruder will look through this project and support for the development of this project as to let the Federal Government know that the young engineering of today can produce (construct) things that will help the economic and growth in developing this country is technology
The intruder alarm system uses electric component to achieve the alarm sound, these components are integrated circuit (ICI,) Register, capacitors and speaker which when combined together it give an alarm system that can be used in houses, industry and commercial company. And how it can be operated. This project does a long way to give evidence and show that it can be use in the economic in favour of electronics and its usefulness in our present life days. WE suggest that this our project should be looked into by the school administration to see the possibilities of producing this alarm system in a commercial has been made by so doing we will help encourage our nations policy indigenous technology
Title Page
Approval Page
Dedication
Acknowledgement
Abstract
Table Of Contents
Chapter One
1.1 Introduction
Chapter Two
2.1 Block Diagram Circuit Implementation Of Proposal Intruder Alarm Unit
2.2 Power Supply Section (Alternating Current)
2.3 Rectification
2.4 Regulated Power Supply
Chapter Three
3.1 Application Of 555 Timing Circuit
3.2 Monostable Or One Short And Astable Mode
3.3 Alarm Section
3.4 Application
3.5 Audio Amplifier
1.6 Amplifier Coupling
1.7 Amplifier Section
1.8 Complete Circuit
Chapter Four
4.1 Loved Speaker
4.2 Basic Moving Coil Loved Speaker
Chapter Five
5.1 Construction Of An Intruder Alarm System
5.2 System Construction
5.3 Function Of The Component
5.4 Operation Of The System
Chapter Six
6.1 Recommendation/Conclusion
6.2 Conclusion
Reference
INTRODUCTION
As the world is developing the need for electronics in human endevour is now taking a lager scope. With the inventions of certain electronic gadgets in our society today. Certain activities become easily handed for example; in communication when the telephone plays a path. In places where safety is needed on alarm system will be of much important. The application of electronic in this modern age is simply inexhaustible and this group take more interest in the case of burglary in homes, cars and industry. The selection of a proper alarm is not a simple matter, because the need of each individual home owner or businessman is different like a set of finger prints.
Some factors and questions which must be answered when selecting an alarm system includes:
a) What system needed to be protected?.
b) What type of senior are needed?.
c) The method of transmission needed forth alarm signal.
The purpose of producing the alarm system is to limit the effect of the criminology in the society by informing us that our properties are in danger. All these will bring alarm the way by which criminal break into private properties by scaring them away once the alarm is trigger on. The type of alarm system been built is called INTRUDER ALARM SYSTEM and it is simple but effective alarm circuit which can reset its self after a time that which have been selected. It has normally closed and normally open triggers which make this door as a switch so as to triggers. It on a 555 timer so that alarm will reset itself after a certain amount of time. The time is varied according to the resister and capacitor been used in the circuit. The alarm has a switch, which we can replace with a key switch to make it more secure and we can change the trigger to other top of the door or window sluitchep too. The alarm uses relay, which is connected to a siren (speaker) but it can be replaced with speaker. The circuit is running off 12volts but can be range from 4 – 16volts.
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Construction Of An Intruder Alarm System:
Building an intruder alarm system requires a combination of hardware and software components. Below is a basic overview of how to construct an intruder alarm system. Please note that this is a simplified guide, and you should consider consulting with professionals or experts in security systems for more complex or critical applications.
Components you’ll need:
- Control Panel: The control panel is the brain of your intruder alarm system. It receives input from various sensors, processes information, and triggers alarms when necessary.
- Sensors: Various types of sensors can be used to detect intruders. Common sensors include:
- Motion Sensors: These detect movement within a specified area.
- Door and Window Contacts: These trigger when doors or windows are opened.
- Glass Break Sensors: Detect the sound of breaking glass.
- Smoke and Heat Detectors: For fire detection.
- Infrared (IR) Beam Sensors: Create an invisible barrier that, when crossed, triggers an alarm.
- Pressure Mats: Placed under carpets, they activate when someone steps on them.
- Siren or Alarm Device: This is the audible or visual alert that activates when an intrusion is detected. It can be a loud siren, flashing lights, or both.
- Keypad or Control Interface: This allows users to arm/disarm the system with a PIN or access code.
- Communication Module: To connect the alarm system to a monitoring service or notify you directly, you may need a communication module, such as a cellular or Wi-Fi module.
- Power Supply and Backup: Ensure a stable power supply and have a backup power source (e.g., batteries) in case of power failures.
Steps to construct an intruder alarm system:
- Plan Your System: Determine the layout of your sensors, where the control panel will be located, and how you’ll secure vulnerable entry points.
- Install Sensors: Carefully install sensors according to the manufacturer’s instructions. Ensure they are positioned correctly and securely.
- Connect Sensors to the Control Panel: Wire or configure the sensors to connect to the control panel. Each sensor should have a designated zone on the control panel.
- Connect the Control Panel to Power: Connect the control panel to a stable power source, and set up a backup power supply.
- Program the Control Panel: Configure the control panel settings, including setting up user codes, entry and exit delays, and alarm response protocols.
- Test the System: Test each sensor to ensure they trigger alarms correctly. Test the communication module to make sure it can send alerts to your monitoring service or your phone.
- Set Up Monitoring (Optional): If desired, subscribe to a monitoring service that can receive and respond to alarms on your behalf.
- Arm and Disarm the System: Train all users on how to arm and disarm the system using the keypad or control interface.
- Regular Maintenance: Periodically test the system, replace batteries in sensors, and ensure all components are functioning correctly.
- Security: Keep your access codes confidential, and change them regularly. Secure the control panel to prevent tampering.
- Local Regulations: Be aware of local regulations and requirements related to alarm systems and permits, if applicable.
Remember that this is a simplified guide, and the complexity of your intruder alarm system may vary depending on your specific needs and budget. If you have any doubts or concerns, consider consulting with a professional security system installer or technician to ensure your system is properly designed and installed.