The primary objective of the password-based Smart Door Lock System is to enhance the security of doors by enabling access control through password authentication ... In this project, we used an ...

In this project, we are going to make an OTP-based smart wireless locking system as you can see in (Fig. 1). This smart lock ... servo using servo.attach (PWM pin number). After that, we can define ...

This project is about creating a smart door lock system using Arduino and RFID technology. The system allows users to unlock a door by scanning an RFID tag or card, providing a secure and convenient ...

The data after verification is sent from mobile to a suitable cloud database, from where the smart door lock system retrieves ... of an electric circuit from one state to another. The 12V supply is ...