BT Card app for iPhone and iPad

Show To Go:
In this mode, the smart phone will act as a card to simulate the traditional proximity card and it get close enough to the bluetooth reader.

Shake To Go:
When you shake the smart phone, it triggers a connection to the bluetooth reader. Door will be unlocked when user has already been authorized.

Other functions:
- Background mode to allow user to unlock the door without unlocking the smart phone
- Direct mode to allow automatic unlock when user is walking toward the door.
- Password protection for sensitivity and RSSI value setting
- An UI button to unlock the door
- Real time bluetooth signal strength display and display searched readers name