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Fingerprint Door Lock System

River Cleaner Robot
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Original price was: 6,000.00₹.Current price is: 5,000.00₹.

The Fingerprint Door Lock System provides secure, keyless entry using biometric fingerprint recognition. Powered by an Arduino UNO and an R307 fingerprint sensor, it automates door access through a CD loader mechanism, with visual and audible feedback via an LCD display and buzzer. Ideal for home and office security applications.

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  • 100% working. Tested by S.R. Robotics.
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Description

This advanced fingerprint door lock system offers secure and convenient access using biometric technology, powered by a variety of electronic components for efficient operation.

Components:

  • Arduino UNO: Acts as the brain of the system, processing inputs from the fingerprint sensor and controlling other components.
  • R307 Optical Fingerprint Reader Sensor: Provides high-precision fingerprint recognition for secure access.
  • L298n Motor Driver: Controls the movement of the CD loader door mechanism.
  • CD Loader: Serves as the door, opening and closing automatically when access is granted.
  • Buzzer: Alerts the user during access confirmation or system notifications.
  • 16×2 I2C LCD Display: Displays system status, access messages, and fingerprint recognition results.
  • 4 Push Buttons: Used for system navigation, mode switching, and manual inputs.
  • 9V DC Power Adaptor: Powers the entire system reliably.

Key Features:

  • Biometric security with accurate fingerprint recognition.
  • Automated door opening mechanism using a CD loader.
  • Visual and audible feedback through LCD and buzzer.
  • Simple control interface with push buttons.
  • Low power consumption with a 9V DC power supply.

Working:

  • The user places their finger on the fingerprint sensor.
  • The Arduino UNO processes the fingerprint data and compares it with stored fingerprints.
  • If a match is found, the CD loader opens the door, and a confirmation is shown on the LCD.
  • If no match is found, an error message is displayed, and the buzzer alerts the user.

Applications:

  • Home security systems for keyless entry.
  • Office or restricted area access control.
  • Personal safes or lockers.
  • Custom smart home projects.

For visual demonstration watch the video below: