In this project, we used an Arduino and a keypad to create a password-based security system. Thefts are becoming more common by the day, therefore security is becoming a serious worry. As a result, a ...

This is a smart school door lock system prototype that uses Arduino Uno and NodeMCU ESP8266, along with a MySQL database and a local PHP website. It aims to track the time-in and time-out records of ...

So, in this project, I have built an Arduino Keypad Door Lock which can be mounted to any of your existing doors to secure them with a digital password. Previously, we have also built other ...

Digital Keypad Security Door Lock using Arduino. This project demonstrates how to build a password-protected door lock system using a digital keypad and Arduino. It provides a step-by-step guide to ...

So it can overcome the disadvantages of now existing smart door locks with an increased security level. In essence, we are going to build a smart remote door lock with additional biometric security.

Additionally, traditional door lock systems cannot be controlled remotely, which can be a problem if a user is away from home or needs to grant access to someone else. The proposed IoT-based smart ...