This app react to any value update in a firebase database posting by a Photon board with sensors and a camera. It is intended to be a personal surveillance app for houses.
{ "sensor" : { "btn_push" : 0, "date" : "2017/01/01 6:20 AM", "is_door_open" : 1, "photo_url" : "http://i.imgur.com/eShO8zH.jpg", "proximity_cm" : 20 } }
To be continue..