Project No. 05: Creating Security Alarm System

1. Introduction:

In an increasingly security-conscious world, protecting our premises from unauthorized access or intrusion has become a priority. Traditional security alarm systems are effective, but integrating modern technologies can enhance their functionality and user experience. This project aims to design and implement a customizable security alarm system using Arduino, incorporating a keypad for input, an LCD display for visual feedback, and the ability for users to change the password as per their requirement. 

The project leverages Arduino’s versatility and ease of programming to create a robust security alarm system that utilizes an ultrasonic sensor for change detection. When a change is detected, the system triggers an alarm, providing audible and visual alerts. The addition of a keypad allows authorized individuals to input password to stop the alarm, and importantly, the system includes functionality for users to change the password according to their preferences, ensuring greater flexibility and security

2. Working:


Step1:Password Verification:
When the system is powered on or reset, it prompts the user to enter a password via the keypad. The entered password is compared with the stored password in the Arduino’s memory. If the passwords match, the user is granted access to the system. Otherwise, they are denied access.

Step2:Alarm System Activation:
Once the user is granted access, the system continuously monitors the environment using sensors like an ultrasonic sensor. If any unauthorized change or movement is detected, such as an intruder’s presence, the system triggers the alarm. The alarm can be a combination of audible alerts, such as a buzzer or siren, and visual indicators like flashing LEDs. 

Step3: Alarm Deactivation: 
To deactivate the alarm, the user enters the correct password using the keypad. If the entered password matches the stored password, the system stops the alarm and resets to its initial state. If an incorrect password is entered, the system continues the alarm activation.

Step4: Visual Feedback and System Status: 
Throughout the process, the LCD display provides visual feedback and information to the user. 
The display can show messages like “Enter Password,” “Access Granted,” “Access Denied,” “Alarm Activated,” or “Alarm Deactivated” to keep the user informed about the system’s current state

Step5: Password Change: 
In addition to accessing and deactivating the system, the user has the ability to change the password. By following specific instructions, the user can input the existing password and then enter a new password using the keypad. The Arduino updates the stored password in its memory, allowing the user to utilize the new password for future access

3. Thing the you will get with this model:

1. Detailed Model
2. Well soldered circuits
5. PPT
6. Metal latch
7. Battery

4. project price:

You can buy this project at price 1800 Rs

You can also customize your project according to your requirement as below:

The price of this projects depend on the component used in the model, for example in the above model the component used is:

1. Arduino UNO
2. Key pad module
3. Battery for power supply
4. Ultrasonic sensor
5. LCD display
6. Connecting wire
7. Buzzer
8. Other small component

There are some other optional component available that you can remove or add it to the model according to your need, so the price of the project will decrease or increase according to price of component and coding.

In summery, you can tell us what functionalities and components that you want to add or remove from the model, so the price will change accordingly. If you have any question related to this project then contact me:  click here

Basically you will get all this things that required to present this project in front of your external, teacher, for practical use at your home or to show off in front of  your friends ðŸ˜‰ðŸ˜‰,so if you want to buy this project then fill this google form:  https://docs.google.com/forms/d/e/1FAIpQLSfDQvyFqN1iDLOFhGNB0KK_nEW1rZujUEdmvNNQNazXK4tAZA/viewform?usp=sf_link

Note: The image shown is a conceptual representation and may not accurately reflect the final design or features of the actual model. The actual model will be developed based on extensive research, engineering, and design processes to ensure optimal performance and user experience.


Feel free to contact me I am always here for you

About Us: click here
Contact Detail:  click here
For delivery detail: click here 
Telegram: https://t.me/arduinoproject1

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