Near & Far is a DIY using Arduino + App that enables any ideas you thought depending on your location.
By default functionality provided by operations
if you walk away from computer, the computer screen will turn off and
if you close the computer will turns on.
This feature will operate through the Arduino and Node.js.
To run this app you should refer to the help and buy the Arduino UNO + BLE Shield + WiFi Shield.
And you need to install Node.js on your PC.
Please refer to the help by clicking "Learn More about the Near & Far" for more details.
Through a DIY Arduino with Try adding your desired function.