XDA Developers on MSN

I tried Arduino's first Raspberry Pi competitor and it's wonderfully weird

The company has launched boards running Linux before, including the Yun and the Tian, yet it's typically competed more with ...
EDN

Arduino RFID Reader RC522 + Access Control System

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 ...