Here some projects with KeyDuino:
NFC car doors control
NFC infinity table
NFC drawer lock
If you want one, the nano is at 25$ and the Normal at 30$. and if you have any idea of NFC projects please feel free to share them here or in our forum :D
Keyduino NANO is a small Arduino compatible development board with built-in NFC (Near-Field Communication).
The antenna should double as a bottle opener!