AIR QUALITY MONITORING SYSTEM USING ARDUINO AND MQ3 SENSOR

                                                                                                                         In this tutorial-based article, we are going to learn how to build an Air quality monitoring system using Arduino UNO and MQ3 sensor.                                                                                                                        HARDWARE REQUIRED  ARDUINO UNO MQ3 SENSOR JUMPER CABLES LCD BUZZER  SOFTWARE REQUIRED ARDUINO IDE INTRODUCTION: Have you ever wondered what's in the air you breathe? Or how polluted your environment really is?   Air quality monitoring is an essential tool that allows us to measure and analyze the pollutants in our environment. By using advanced sensors and cutting-edge technologies, we can detect harmful particles in the air and take the necessary steps to improve our surroundings. Air quality monitoring has become integral to modern life, from homes to offices to public spaces. So, the built system can sense gases