![]() ![]() LCD display shows the RFID value reading status (Card correct or wrong) and the door status (open/close). The IR sensor is used to check whether the door is open or closed. The servo motor is used to control the lock mechanism. If this value is matched then the microcontroller sends a command to the servo motor to unlock the door. Then the Arduino matches this value with the pre-defined value in the code. ![]() The RFID Redder Module is used to read the Card or Key Tag value and send the value to the Arduino. You can use any other type of Arduino board like Arduino Uno or Mega. Here I’ll use Arduino Nano as the main microcontroller that controls the whole system. ![]() The RFID Door Lock System is constructed using 4 major components these are Arduino, RFID Redder Module, RFID Card or Key Fob Tag, IR Sensor, Servo Motor, and LCD Display. This system is also known as the card door lock system or key card door lock system. ![]() If you put the wrong card or key tag in front of the RFID door locks system box (RFID Reader) then the door would not unlock. In this system, you need a particular card or key tag and put it in front of the RFID door locks system box (RFID Reader) to unlock the door. In this project tutorial, we’ll learn how to make RFID based Electronic door locks systems using Arduino and RC522 RFID Module. ![]()
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