Journal article Open Access

INTERNET OF THINGS SYSTEM FOR ENVIRONMENTAL MAP ACQUISITION

BRAGARENCO, Andrei; MARUSIC, Galina

The paper discusses the importance of contemporary electronic systems with the focus on the development of distributed electronic equipment. In this context the devices, potentially members of an Internet of Things (IoT) network, are part of a complex distributed electronic system organized in an IoT network dedicated to solving a specific problem. The paper proposes a concept of a distributed electronic system, consisting of a sub-components collection of the electronic devices placed on specific Cartesian coordinates. Furthermore, it is presenting a case study of the operation for a distributed electronic system, which is scanning environmental parameters such as temperature, humidity, CO2, noise, brightness, or others. The proposed system consists of a set of electronic devices equipped with sensors for measuring the environmental parameters and communication modules to send the data collected to the IoT type network. The system stands for an analogy of a camera where every pixel collects environmental data at specific coordinates, where the collected pixels construct a 2D image, the uncovered areas are obtained by interpolation from the nearest sensors. As a result, a 2D image is obtained, which represents a map of the specific area in the selected parameter, such as the temperature distribution map, brightness, CO2, motion, noise, or another parameter, depending on the type of sensors available on the scanning devices. Based on this concept, a prototype of a distributed electronic system, interconnected via an IoT network, was developed, following the ZigBee technology. It is capable of collecting 2D images of a predefined area in several parameters such as temperature, brightness, CO2, motion, noise, simulating a "video" camera on these parameters.

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