Waveshare MQ-2 Combustible Gas Sensor Module

Description

Waveshare MQ-2 Combustible Gas Sensor Module detects LPG, propane, methane, smoke, and other combustible gases using an MQ-2 gas-sensitive element, providing both analog and digital outputs for gas leak and smoke detection projects.

Product Details

Features

• Detects a wide range of combustible gases and smoke
• Onboard heater element for stable readings
• Analog output for concentration + digital threshold output
• Adjustable sensitivity potentiometer

Applications

• Gas leak detection and safety alarms
• Smoke detectors and fire safety systems
• Industrial gas monitoring
• Home automation air-safety projects

How to Use

In the case of working with a MCU:

• VCC ↔ 2.5V ~ 5.0V
• GND ↔ power supply ground
• AOUT ↔ MCU.IO (analog output)
• DOUT ↔ MCU.IO (digital output)

Hardware Connection-Pico

Package Includes

• 1 x Waveshare MQ-2 Combustible Gas Sensor Module

wiki/MQ-2_Gas_Sensor

Product image is for representation only; actual product may vary slightly in packaging or markings.