Abstract
This work aims to monitor air quality in places where humans spend most of their time, such as workplaces and homes. Radon gas is a naturally occurring, colourless, odourless and tasteless gas that accumulates in enclosed spaces. It is a radioactive element produced by the decay of its natural parent elements, uranium and thorium, which is harmful to our respiratory system when inhaled. The Internet of Things (IoT) is the key to the problems of contemporary life; we are witnessing an emerging connected world, and these architectures have the potential by using sensors to take data from the physical world, transfer it over the network and store it for further decision making or action. The proposal of this work is based on a radon sensor connected to an IoT device, the Message Queuing Telemetry Transport protocol (MQTT), the Node-RED for managing data flows and a database management system on a web server. The information collected by the sensor is sent by the IoT device to be processed by Node-RED. The obtained data is stored in a database to be represented on a web server. Therefore, this work includes a case study where the technologies involved in the indoor radon gas monitoring system are presented. It is a way to perform radon gas measurements automatically. The final application would allow: displaying radon concentrations on a map with placemarks and updating the information in real-time. The database could record data from other radon sensors that any user wants to associate with this website.
Highlights
The Internet of Things (IoT) is a relatively brand-new concept that alludes to the organized interconnection of everyday objects with intelligence [1]
The aim of this paper is to describe the details related to radon gas monitoring through a novel IoT architecture based on Message Queuing Telemetry Transport protocol (MQTT) and Node-RED
We propose an architecture based on lightweight messaging protocols as MQTT [15] to send the data collected by the sensors and Node-RED [16] as a tool based4 on the data flow
Summary
The Internet of Things (IoT) is a relatively brand-new concept that alludes to the organized interconnection of everyday objects with intelligence [1]. There are many types of IoT architecture dedicated to different areas of science, such as healthcare, smart cities or wireless sensor networks [2]. Radon is a radioactive gas that constitutes a health risk because it deteriorates lung tissue It leads to different respiratory problems and diseases. This way, radon is the second cause of lung cancer worldwide after tobacco [5]. The aim of this paper is to describe the details related to radon gas monitoring through a novel IoT architecture based on MQTT and Node-RED. The relation between the curie and becquerel is given by: The article is organized as follows: Section 2 summarizes the related work about monitoring radon gas.
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