http://www.robotgeek.com/rfiduino
http://www.amazon.com/Generic-Electric-Strike-Secure-Control/dp/B00V45GWTI/ref=sr_1_1
http://www.amazon.com/BQLZR-Luggage-Solenoid-Electric-Assembly/dp/B00M2M3F74/ref=sr_1_1
http://www.instructables.com/id/RFID-Door-Lock-With-Arduino-1/