IoT Based Smart Bank Locker Security System

Biometric Bank Locker Security System Description

The Biometric Bank Locker Security System delivers a smart and secure solution for protecting valuable assets in banks, homes, or corporate environments. This system replaces outdated key-based access with advanced biometric, RFID, GSM, and password-based multi-level authentication.

How the Locker Security System Works

The process begins with a fingerprint scan. The system verifies the scanned biometric data against the enrolled fingerprints. If matched, the user must then scan their RFID card. As a third layer of security, the system prompts the user to enter a secure password using a 4×4 matrix keypad.

If all inputs are valid, the system activates a servo motor or solenoid lock to open the locker. However, in case of any incorrect input or unauthorized attempt, the system sends an instant SMS alert to the registered mobile number via the GSM module.

Hardware Components

• Arduino UNO or ESP32 – Central microcontroller managing all operations

• Fingerprint Sensor (e.g., R305/GT-521F) – Captures and authenticates fingerprints

• RFID Reader (RC522) + Tags – Provides contactless identification

• 4×4 Matrix Keypad – Enables secure PIN/password entry

• GSM Module (SIM800L/SIM900A) – Sends SMS alerts on events

• 16×2 LCD Display (I2C) – Displays real-time system messages

• Buzzer + LEDs (Red/Green) – Audio-visual feedback for system status

• Servo Motor / Solenoid Lock – Mechanism for physical locking/unlocking

• Relay Module – Controls high-power devices like sirens or solenoid locks

• Power Supply (5V/9V) – Powers all hardware components

• Breadboard, Jumper Wires – For circuit integration and prototyping

• Push Buttons (Optional) – For reset or emergency override

Applications

• Bank Locker Access Control

• Personal Smart Lockers

• Corporate Safe Storage Systems

• High-Security Vault Rooms

To Learn More Visit our Website

For more information:-www.mifraelectronics.com 
* Product Images are shown for illustrative purposes only and may differ from actual product.