When the power is disconnected the slug moves outside and locks the door. It doesn’t use any power in a locked state. To drive the solenoid lock you would need a power source that can give 12V @ 500mA ...

Arduino RFID Door Lock Circuit Diagram. EM-18 RFID Reader: RFID stands for Radio Frequency Identification.Each RFID card has a unique ID embedded in it and a RFID reader is used to read the RFID card ...

This Arduino code allows you to use an RFID module (model MFRC522) to create a door lock system. The code includes functionalities to write a code to a specific block on an RFID card and to read the ...

Door Arduino / Mifare Card Validation: Every room has an electromagnetic door lock that is controlled by an Arduino UNO, which is programmed to check the validity of a card. Besides checking the Room ...

In this tutorial, the presenter will be giving you a tutorial on radio-frequency identification (RFID), how it works and how to make an Arduino based RFID door lock. It’s a non-contact technology that ...

This is an IoT-based system with Radio Frequency Identification System which supports door lock and unlock function. This door locking system helps registered users to lock or unlock the door. The ...

Posted in Arduino Hacks, Microcontrollers Tagged access control, arduino, ATmega 328, door lock, parallax, relay, rfid, rfid reader Door Lock Provides Peace Of Mind With Real-Time Security July 14 ...