https://it.wikipedia.org/wiki/Esecuzione_(informatica)

https://www.arduino.cc/en/Reference/VariableDeclaration

https://www.arduino.cc/en/reference/if

https://www.arduino.cc/en/reference/while

https://www.arduino.cc/en/Reference/For

https://learn.adafruit.com/tilt-sensor/using-a-tilt-sensor

http://www.mauroalfieri.it/elettronica/fotoresistenze-e-arduino.html

http://www.ardumotive.com/how-to-drive-a-dc-motor-with-transistor.html