DIYables DIYables MQ2 Gas Sensor Module for Arduino, ESP32, ESP8266, Raspberry Pi - Smoke, LPG, Methane Detection, Tutorials Provided

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MQ2 gas sensor module for detecting smoke LPG methane with Arduino ESP32 Click to zoom
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Quick Overview

The DIYables MQ2 is a gas sensor module designed to detect smoke, LPG, methane, and other combustible gases. It is commonly used in safety monitoring systems, home automation, and environmental detection projects.

The sensor provides high sensitivity for reliable gas concentration measurements. It works with Arduino, ESP32, ESP8266, Raspberry Pi, and other microcontrollers, making it a versatile choice for DIY electronics and IoT safety applications.

Key Features

  • Multi-Gas Detection — Detects smoke, LPG, methane, and other combustible gases
  • High Sensitivity — Reliable and precise gas concentration measurements
  • Plug-and-Play — Easy setup with Arduino, ESP32, ESP8266, and Raspberry Pi
  • Safety Monitoring — Ideal for home automation and environmental monitoring applications
  • Wide Compatibility — Works with various microcontroller platforms
  • Presoldered and Not Soldered Options — Provided in presoldered and not soldered versions for selection
  • Tutorial Support — Comprehensive tutorials for Arduino, ESP32, ESP8266, Raspberry Pi, and Pico

SPECIFICATION

Specification Value
Product Type Gas Sensor Module
Model MQ2
Detectable Gases Smoke, LPG, Methane, Combustible gases
Output Type Analog and Digital
Sensitivity High
Operating Voltage 5V DC
Heating Voltage 5V DC
Detection Concentration 300-10000ppm
Preheat Time 24-48 hours (for stable readings)
Dimensions 32mm x 20mm (approx.)

COMPATIBLE HARDWARE

  • Arduino boards (UNO, Mega, Nano, etc.)
  • ESP32 development boards
  • ESP8266 (NodeMCU, Wemos D1, etc.)
  • Raspberry Pi (all models)
  • Raspberry Pi Pico
  • Any microcontroller with analog input capability