chances are you already know what an Arduino is. This microcontroller is at the heart of countless impressive projects like RFID door locks, automated plant watering systems, and even robot cars.

Security researcher [Fran Brown] sent us this tip about his Tastic RFID Thief, which can stealthily ... 12 AA batteries and a custom PCB using an Arduino Nano to interpret the reader’s output.

Underneath, an Arduino Uno runs the show, hooked up to a RC522 RFID interface board ... It’s a tidy project, and one that actually looks pretty fun to use. Obviously, there’s some time ...