In this tutorial, we are going to learn how to use Arduino and MQ2 gas sensor to check the air quality by checking the concentrations of LPG, smoke, alcohol, propane, hydrogen, methane and carbon monoxide, or other flammable gasses.

Apr 1, 2022 · The code for the Arduino mq-2 gas sensor module is very simple and easy to understand. We are just reading the analog data out of the sensor and changing the brightness of the LED according to the received data.

Learn about MQ2 Gas/Smoke/LPG Sensor along with its Working, Pinout, Wiring, Specifications, Datasheet, Calibration & Arduino Code.

May 5, 2016 · This guide shows how to build a smoke detector that beeps when it detects flammable gas or smoke. The MQ-2 Gas Sensor The MQ-2 smoke sensor is the one in the following figure: The MQ-2 smoke sensor is sensitive to smoke and to the following flammable gases: LPG Butane Propane Methane Alcohol Hydrogen

Mar 15, 2018 · The Grove Gas Sensor (MQ2) module is useful for gas leakage detection (home and industry). It is suitable for detecting H2, LPG, CH4 and CO.

Enhance your future Arduino project’s capability by integrating the MQ2 gas sensor module, enabling it to detect various gases such as LPG, smoke, alcohol, propane, hydrogen, methane, and carbon monoxide concentrations in the surrounding air.

The MQ138 is a gas sensor capable of detecting VOCs such as benzene, alcohol, and acetone. This project demonstrates how to connect the sensor to an Arduino, read its output, and interpret the data for environmental monitoring or other gas detection applications.

Feb 2, 2025 · The MQ2 sensor is a versatile gas sensor capable of detecting a wide range of gases as well as smoke. This initiative is centered on creating a mock-up of a gas leak detection system utilizing an Arduino Uno as the core controller.

Learn how to use MQ2 Gas Sensor to control relay, MQ2 Gas Sensor triggers light. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino.

Jan 24, 2022 · This tutorial details the MQ- # module, its functions, and the method to build a simple project using the MQ gas sensor module and an Arduino. The MQ gas sensor module has a built-in gas sensor and sensitivity adjustment knob.