The Arduino then generates a pseudo-random string and calculates the expected response, based on a pre-shared key. The phone then receives the string and sends back the appropriate response.

Arduino enthusiasts may be interested in a new gesture controlled Arduino door lock which has been created by Adham Negm and uses an Arduino Uno together with a servo motor to slide the bolt back ...

It also based on Android and Arduino platform both of which are free open source software. In this paper, a system called door locks automation system using Bluetooth-based Android Smartphone is ...