Insert the Arduino Nano and MQ-2 smoke sensor in the breadboard. Power up the sensor through Arduino and connect the A0 pin of the sensor to A5 of Arduino. Connect a buzzer and an LED in a parallel ...

Smoke Detector using Gas Sensor using arduino A Smoke Detector using a Gas Sensor for Arduino is a prime example of a project that assures beginners and hobbyists in learning how to develop a safety ...

This circuit diagram illustrates a fire and smoke detection system using an Arduino UNO R4 WiFi, MQ2 smoke sensor, and a flame sensor (fire sensor). The Arduino is the central controller that receives ...

In this project, we aim to create an IoT-based Air Pollution Monitoring System, where we will assess air quality through a web server using the internet. An alarm will be activated when the air ...

Cigarette smoke can decrease air quality that affects human health. To create a smoke-free environment, it is important to have a system that can be used to detect the presence of hazardous gases in ...