Speaker
Description
Abstract: This work is a review of the various applications of low-cost electronic sensors used for environmental monitoring. It aims to provide an overview of the design, development, and application of electronic devices that we have carried out over the past five years in our research institute in Cameroon. These devices measure : air quality (Carbon monoxide (CO), Carbon Dioxide (CO2), Liquefied Petroleum Gas (LPG), Nitrogen dioxide (NO2), Sulfur dioxide (SO2), Ozone (O3), and Particulate Matter (PM)), water quality (Total Dissolved Solids (TDS), Electrical Conductivity (EC), pH, and Temperature), and radioactivity (ambient dose rate and radon gas). Industry, innovation, and infrastructure, responsible consumption and production, and the fight against climate change are goals 9, 12, and 13 of the World Health Organization's (WHO) Sustainable Development Goals (SDGs), which are aligned with this work. These locally manufactured devices leverage Internet of Things (IoT) technology and electronic sensors to provide in situ, real-time measurements of toxic gases, dust particles, water pollutants, and environmental radioactivity. Comparative analyses validated the accuracy and reliability of these devices against conventional and reference equipment, demonstrating their suitability for monitoring air and, water quality and ionizing radiation in urban areas, healthcare facilities, and industrial and mining sites.
