Unlcok your computer using NFC tags or cards with an Arduino UNO. This is a university project, feel free to use and contribute.
Arduino Uno
RFID Card reader MFRC-522 Kit
Jumper Wires (male to male or female to male)
Breadboard (Optional if you don't want to solder the pins)
Solder tool (Optional)
Arduino IDE
Atmel Flip 3.4.7
Java Runtime Environment
(Both included in the repository)
Arduino-keyboard-0.3.hex
Arduino-usbserial-uno.hex