RFID AND FINGERPRINT BASED ATTENDANCE ALERT SYSTEM

 

GPT NANDYAL


COMPONENTS USED:

ARDUINO MEGA

FINGERPRINT SENSOR

4*4 MATRIX KEYPAD

16*2 LCD DISPLAY

BUZZER

GSM MODULE 

EM18 RFID READER

RFID CARDS



Abstract:

This project presents an advanced attendance management system using Arduino Mega along with key components such as a fingerprint sensor, 4x4 matrix keypad, 16x2 LCD display, buzzer, GSM module, EM18 RFID reader, and RFID cards. The system offers a robust and efficient method for tracking attendance using both fingerprint and RFID card authentication methods, along with real-time attendance alerts through GSM communication.

The main components utilized in this system are:

  1. Arduino Mega: Serves as the central processing unit to manage data flow and control interactions between various modules.

  2. Fingerprint Sensor: Used for biometric authentication to verify the identity of individuals during attendance marking.

  3. 4x4 Matrix Keypad: Provides an alternative input method for users in case they do not have their RFID cards or need to perform certain actions on the system.

  4. 16x2 LCD Display: Displays system status, instructions, and attendance-related information such as time, date, and user details.

  5. Buzzer: Provides audible feedback to indicate successful attendance marking or errors during the process.

  6. GSM Module: Enables communication with remote servers or designated mobile numbers to send real-time attendance alerts and notifications.

  7. EM18 RFID Reader: Used to read unique identification numbers from RFID cards, allowing for quick and accurate user identification.

  8. RFID Cards: Assigned to each user and used for RFID-based attendance marking.

The system workflow is as follows:

  1. Initialization: Upon system startup, all components are initialized, and the LCD displays an initial message indicating readiness.

  2. User Authentication: Users can choose to authenticate using either their fingerprint or RFID card. The fingerprint sensor or RFID reader captures the user's unique identity.

  3. Attendance Marking: Upon successful authentication, the system marks the user's attendance, records the timestamp, and updates the attendance database stored in the Arduino or an external storage device.

  4. Real-time Alerts: The system utilizes the GSM module to send real-time attendance alerts to designated mobile numbers or a central server, providing instant updates on attendance status.

  5. Feedback and Confirmation: The LCD display and buzzer provide immediate feedback to the user, confirming successful attendance marking or indicating any errors encountered during the process.

By combining fingerprint and RFID-based authentication methods, the system ensures accurate and secure attendance tracking for various applications such as schools, offices, and organizations. The integration of GSM communication adds a layer of real-time monitoring and alerting, enhancing overall attendance management capabilities.

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