Electronic and Arduino enthusiasts searching for an ... It is also faster to use than typing the code of the keypad door lock. Just place the finger and open the door. Also, it is almost ...

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 ...

Ever wonder who rings your doorbell when you're not home? Or do you crank music up too loud most of the day to hear it anyway? If so, Make Projects user Clement Storck built a simple Arduino ...

The device he holds in his hand is an Arduino connected to the OUTSIDE portion of the door lock. It takes approximately ... out master key and skeleton key codes. These codes facilitate ‘magic ...