Скачать или смотреть RFID SIM800L GSM Module Project | Wrong Card Call Alert | Arduino Based Security System

Welcome to another exciting DIY project! In this video, I’ll show you how to create a smart security system using an RFID module and a SIM800L GSM module.

📌 What You'll Learn:

How to use RFID for access control

How to trigger a phone call alert using SIM800L on scanning an unauthorized RFID tag

Full circuit diagram, Arduino code, and real-time demo

How to power the SIM800L using a buck converter and 18650 batteries

💡 This project is perfect for:

Home security

Door lock automation

Smart ID card authentication systems

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👇 Useful Links: 📁 Code + Diagram: https://drive.google.com/drive/folder...



🛒 Components Used:

1: Arduino Uno / Nano
(Main microcontroller to control the whole system)

2 : RFID Module (RC522)
(Used to read RFID tags/cards)

3 : RFID Tags or Cards
(To identify authorized or unauthorized access)

4 : SIM800L GSM Module
(Used to make a call or send SMS in case of unauthorized access)

5 : Servo Motor
(For opening/closing the lock — depending on your design)

6 : Buzzer
(To alert when unauthorized access is attempted)

7 : LEDs
(To indicate status — access granted/denied)

8 : Power Supply

9: 5V for Arduino

4.2V (stable) for SIM800L (can use a buck converter or Li-ion battery)




Have a question? 💬 Drop a comment below —

#RFID #KeypadLock #ArduinoProjects #SecureDoorLock #sim800l #gsmmodule


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