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In the present era, individuals often find themselves navigating challenging environments. The realms of both professional and service sectors are expanding steadily. Our proposed system endeavors to address a crucial need by automatically detecting toxic gases and monitoring water levels in industrial sewage tunnels. To achieve this, we employ the MQ2 Gas sensor, which adeptly identifies gas concentrations within specified ranges and conveys the findings through an LCD display. The overarching aim of our proposed system is to establish a comprehensive and efficient system for the supervision and management of sewage and wastewater in subterranean industrial structures. These structures play a pivotal role in preventing the undesirable impact of industrial water runoff on local groundwater quality. The proposed system meticulously focuses on monitoring not only water levels but also the presence of harmful gases, including methane, carbon dioxide, sulfur dioxide, and nitrous oxides.
Gnanapriya et al. (Tue,) studied this question.