The provision of digital sensors - A complete system (hardware and software) to record and visualize environmental data series of relevance at a variety of farming sites. The system must be ready for use in protected agriculture including the power unit, the sensors, the sensors processing module, the wireless communication module, and all the software environment so that farmers users can visualize remotely real time and historical series of data measured by the sensors. The users must be able to visualize data from smart phones, tablets, or computers.