Alerting and Detection of Toxic Gases in Sewage using IOT

Abstract

Abstract: Even in the modern times, physical labor is still used to clean sewage systems. As a result of a higher concentration of hazardous gasses in the manhole, human fatalities in the sewer have been noted. Poisonous gases such as methane, carbon monoxide, nitrogen dioxide, and others can cause severe injury to human organs and even cause death. Predetermination of these gases is therefore crucial. The majority of metropolises installed an underground drainage system to maintain city hygienic standards, public health, and city defense. They risk contaminating smooth water with drainage water and spreading volatile illnesses if they fail to maintain the drainage infrastructure. Cleaning the drainage device is therefore crucial. In this project, the proposed system identifies whether a person is working inside the drainage manhole using a PIR sensor, as well as a system to detect toxic chemicals and gases using a gas sensor with an Arduino Uno microcontroller and toxic gas presence inside the drainage manhole, then immediately update the status to an IoT web server using Wi-Fi module. Additionally, the LCD display shows the status of the GAS level, and a buzzer will sound when the toxic presence is present