This is an example code written to showcase the usage of RF Module and WiFi to control a relay to lock and unlock a door. The ESP32 Dev Board is connected to a 433MHz RF Reciever and a Relay. You can ...

Abstract: In this paper, we propose a smart digital door lock system for home automation. A digital door lock system is equipment that uses the digital information such as a secret code, ...

This project integrates Arduino with RFID and keypad-based authentication to create a secure and versatile door lock system. It leverages real-time feedback via an LCD screen and controls a solenoid ...

Abstract: We propose a novel wireless access monitoring and control system based on the digital door lock, which is explosively used as a digital consumer device. Digital door lock is an electronic ...

RFID (Radio Frequency Identification) is an inexpensive and accessible technology. It can be used in many applications such as access control, security, asset tracking, people tracking, etc. You have ...

Radio Frequency Identification is widely used in contactless payment cards, National Highway Tollgate systems, and in security passes. By integrating an RFID reader with an Arduino, you will be able ...

If Your Windows Stop Working On Your CLK, There’s a Cheap and Inexpensive Way to Fix the Problem, Even in the Worst-Case Scenario If the automatic windows on your CLK have stopped working, chances are ...

For contactless key applications, the Marquardt NFC module is mounted inside the door handle, and also in the car’s centre console (inside the cabin). In the door handle, the 13.56MHz module couples ...