This design uses RFID tag technology to enable low-cost, battery-free, and easy-to-install home security systems.

Posted in Arduino Hacks Tagged access control, arduino, garage door, garage door opener, NFC, reddit, rfid ← Laser Etching Brings New Life To An IBM Keyboard Samsung NX300 Gets Rooted → ...

The authors propose the use of RFID technology and an Arduino board for the same. Every product will have an RFID (Radio-Frequency IDentification) tag (instead of barcodes being used conventionally).