This gas sensor module is made using MQ5, a low cost semiconductor sensor which can detect the presence of LPG, LNG, Natural and Town gases at concentrations from 200 to 10,000 ppm. The sensitive material used for this sensor is SnO₂, whose conductivity is lower in clean air. It’s conductivity increases as the concentration of sensing gases increases. It has also some sensitivity to smoke and alcohol. This module provides both digital and analog outputs. Threshold level for digital output can be easily adjusted using the preset on the board. MQ5 LPG natural gas sensor module can be easily interfaced with Microcontrollers, Arduino Boards, Raspberry Pi etc.

Features

• Low Cost
• High Sensitivity to LPG, LNG and Natural Gas
• Flat Response
• Stable and Long Life
• Both Digital and Analog Outputs
• On-board LED Indicator

Technical Data

• Detecting Concentration : 200 ~ 10,000 ppm
• Operating Voltage : 5V ±01
• Operating Temperature : -10°C ~ 50°C

Pin Out

• VCC – Input Power Supply
• GND – Supply Ground
• DO – Digital Output
• AO – Analog Output

Applications

• Domestic gas leakage detector
• Industrial gas leakage detector
• Portable gas detector

Datasheet

• MQ-5 Datasheet

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