Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and GND to the ground rail. For the data connections, wire SDA to Pin 10, SCK ...

[Flowolf] added an auto-locking RFID ... 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. When you are ...

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 ...

Arduino enthusiasts looking for a new project to complete over the weekend might be interested in this Arduino door lock which is automatically activated as soon as you enter incognito browsing ...

[Will] has been hard at work on a replacement system for his Hackerspace’s RFID door ... meant to be locking enclosures that brave the elements. [Will] made the jump from an Arduino which ...

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 ...

Using a Phidget RFID Kit, a Kwikset Powerbolt 1000, relays, a PC board, wire, and some basic software, a couple of guys managed to piece together a unique new wireless door locking system.