Smart-farming is a concept to cultivate crops with the combination of the latest technology and data analysis thus farmers can get more yields than conventional farming method. Why is it matter? Because the human population is increasing exponentially (1). On the other hand, the arable land on the EU (2) and some countries (3) in the world is decreasing, and also the world fresh water resource is also declining (4). It can lead to food scarcity. Therefore, farmers should start to embrace smart-f...