RFID Door Lock (Updated)

It is made to make our lives easier and technological by using RFID card.

RFID Door Lock with Arduino UNO

Build a secure RFID-based door lock system using high-quality components from aryabot.in. This project utilizes an Arduino UNO, an RFID Reader, and other components to create a functional and reliable system.

Components and Supplies

Here are the components required for this project. All items are available at aryabot.in:

  • Arduino Uno: The microcontroller unit for managing the system.
  • MFRC522 RFID Reader and Tag: To authenticate users via RFID cards.
  • Buzzer: Generates audio feedback for successful or failed authentication.
  • Jumper Wires: Essential for creating electrical connections.
  • 5 MM Green LED: For indicating successful access.
  • 5 MM Red LED: For indicating failed access.
  • SG-90 Micro Servo: Operates the locking mechanism.
  • PIR Sensor: Detects motion for additional security.

Why Choose aryabot.in?

aryabot.in offers:

  • High-quality electronics and robotics components.
  • Competitive pricing.
  • Fast delivery for all your project needs.

Shop confidently at aryabot.in to get everything you need to build this RFID Door Lock system!

Project Steps

Step 1: Wiring

Follow the instructions below to connect the components:

RFID Reader (MFRC522):

  • 3.3V → 3.3V
  • GND → GND
  • RST → 9
  • MISO → 12
  • MOSI → 11
  • SCK → 13
  • SDA → 10

Buzzer:

  • Cathode → GND
  • Anode → 7

Green LED:

  • Cathode → GND
  • Anode → 3

Red LED:

  • Cathode → GND
  • Anode → 2

Micro Servo (SG-90):

  • Cathode → GND
  • Anode → 5V
  • Pulse → 8

PIR Sensor:

  • Out → 4
  • VCC → 5V
  • GND → GND

Step 2: Coding

  1. Download the RFID library from GitHub and integrate it into Arduino IDE.
  2. Write and upload your code to the Arduino UNO.

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