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The paper presents a novel approach to the prototyping of interconnected products belonging to the Internet of Things field. The chosen solution tries to merge the benefits of monolithic vertical approaches (where everything is chosen from the board to the cloud) with those of horizontal solutions (where every time all the elements can be chosen and the code for integrating them written). The proposed solution allows to speed up the prototyping process and to let the developers focus on coding the product behaviours instead of solving customization issues. The advantages of the proposed solution goes beyond the prototyping, as the prototyped solution can be easily converted in an industrial grade one. The paper ends with a real case application that shows how an IoT industrial refrigerator smar-tification unit has been developed thanks to the horizontal stack here proposed

The paper presents a novel approach for prototyping interconnected products belonging to the Internet of Things context. The proposed solution aims at merging the benefits provided by monolithic vertical approaches (where all the IoT elements are pre-selected, from the hardware to the cloud) with those of horizontal solutions (that leave the freedom to select the single components and write the integration code). The proposed solution allows to speed up the prototyping process and lets the developers focus on coding the product behaviours rather than solving customization issues. The advantages of the proposed solution goes beyond the prototyping, as the prototype can be easily converted into an industrially viable solution. The paper ends with a real case application where the proposed stack is used for the development of an IoT unit that converts industrial refrigerators into smart connected systems.