An RFID reader and Arduino run the system, with a button inside to unlock the door. But if power were to fail, you will still be able to get in or out manually.

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

Once downloaded, upload the script to your Arduino Uno using the Arduino IDE. After uploading the script, test the system by entering incognito mode on your web browser.

[Will] has been hard at work on a replacement system for his Hackerspace’s RFID door lock. The original is now several years old and he’s decided to upgrade to a much more powerful proc… ...

Winner: Lock Your Drawer With an Arduino and RFID. Blake is in the midst of a home automation project. Needing a way to keep his 2-year-old out of his desk drawer full of electronic parts, Blake ...

Arduino enthusiasts may be interested in a new gesture controlled Arduino door lock which has been created by Adham Negm and uses an Arduino Uno together with a servo motor to slide the bolt back ...