I worked with Gregory Callea, Nocita Riccardo and Salvatore Meli a project for the placement insidea edifice through the use of Wifi, we used a JAVA server with a Raspberry and client are Android devices and a JAVA web applet. Principal activity: - Android App Calibration architecture's development; - implementations of these services: Wifi management, Image management, memory management, calibration's operation managament - implementations of communication between android app and a Raspberry; - Raspberry-App Android's structure development; - Java Applet for to view position and set the calibration;