This project is an Air Quality Monitoring System developed using the Arduino Uno microcontroller and an MQ135 gas sensor, designed to provide real-time air quality analysis and alert users about ...
An Arduino UNO-based system using the MQ135 sensor to detect harmful gases. Alerts are given via LED and buzzer, with real-time data shown on an LCD and sent to a mobile app via Bluetooth for ...
Abstract: Emission checking is essential to reducing air pollution in urban areas. Conventional systems, such as Pollution Under Control (PUC) registration in India, rely on manual inspections without ...
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