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 ...

Code for my Arduino RFID Door Lock. Only difference between v4 and v5 is code for the magnetic door sensor and associated interrupt. Prevents the door from locking when it is open. Feel free to ...

Ensure your RFID reader and other components are connected correctly. Upload the code to your Arduino. Initially, call writeBlockData() function to write the code k9T2dQ5X1mB6rF7H to block 5 of the ...

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 ...

By connecting multiple MFRC522 RFID readers to an Arduino Uno, she’s come up with a method of triggering a device (like an electronic door lock) only when the appropriate combination of RFID ...

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 ...

Then finally, click the upload button to dump the RFID Door lock system code into an Arduino. Final Testing of our RFID Door Lock System. At last, we've entered the most exciting phase, i.e final ...