Features

  • Sensitive for LPG, propane, hydrogen
  • Output voltage boosts along with the concentration of the measured gases increases
  • Fast response and recovery
  • Features boost circuit
  • Adjustable sensitivity
  • Signal output indicator

Specifications

  • Power: 2.5V ~ 5.0V
  • Dimension: 40.0mm * 21.0mm
  • Mounting holes size: 2.0mm

Applications

  • Gas leakage detector

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)

Downloads

Development resources: demo codes, schematic, datasheets, etc.
Wiki:www.waveshare.com/wiki/MQ-2_Gas_Sensor


Selection Guide

Part NumberSensitive GasApplication
MQ-135 Gas Sensorbenzene, alcohol, smokeAir quality monitor
MQ-2 Gas SensorLPG, propane, hydrogenGas leakage detector
MQ-3 Gas Sensoralcohol, ethanolCar alcohol alarm, breathalyser
MQ-5 Gas SensorLPG, natural gas, coal gasGas leakage detector
MQ-7 Gas Sensorcarbon monoxideCarbon monoxide monitor

Weight: 0.011 kg

Quick Overview

  • MQ-2 Gas Sensor x 1
  • 4-pin custom connector jumper wire x 1

Gas Sensor (MQ2) - LPG, Propane, Hydrogen

  • Brand: Waveshare
  • Product Code: WVSHARE-74
  • Reward Points: 7
  • Availability: 1
  • £9.17

  • Ex Tax: £7.65
  • Price in reward points: 100

Gas Sensor (MQ2) - LPG, Propane, Hydrogen - Grove

Gas Sensor (MQ2) - LPG, Propane, Hydrogen - Grove

£9.00

Grove - Gas Sensor MQ2 can detect LPG, i-butane, methane, alcohol, Hydrogen, smoke and so on

Qty: 5

Gas Sensor (MQ8) - Hydrogen - Analog

Gas Sensor (MQ8) - Hydrogen - Analog

£13.52

This is a simple-to-use hydrogen gas sensor.

Qty: 2

Gas Sensor (MQ6) - LPG - Analog

Gas Sensor (MQ6) - LPG - Analog

£9.95

The MQ6 is a simple-to-use liquefied petroleum gas (LPG) sensor.

Qty: 3

Gas Sensor - CO2 - Analog

Gas Sensor - CO2 - Analog

£62.64

It has MG-811 sensor module onboard which is highly sensitive to CO2 and less sensitive to alcohol ...

Qty: 10

Gas Sensor (MQ2) - LPG, Propane, Hydrogen - Analog

Gas Sensor (MQ2) - LPG, Propane, Hydrogen - Analog

£11.94

This sensor is suitable for detecting LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.

Qty: 2

Gas Multichannel Sensor (Xadow)

Gas Multichannel Sensor (Xadow)

£50.33

The MiCS-6814 is a robust MEMS sensor for the detection of pollution from automobile exhausts and ...

Discontinued

Gas Multichannel Sensor (Grove)

Gas Multichannel Sensor (Grove)

£47.82

Grove – Multichannel Gas sensor is a environment detecting sensor with a built in MiCS-6814 which c ...

Qty: 2

Gas Sensor (MQ5) - LPG, Natural/Coal Gas

Gas Sensor (MQ5) - LPG, Natural/Coal Gas

£9.17

LPG, Natural/Coal Gas sensor for Gas leakage detector

Qty: 2

CO, Alcohol and VOC MICS5524 Gas Sensor Breakout [3199]

CO, Alcohol and VOC MICS5524 Gas Sensor Breakout [3199]

£20.34

The MiCS-5524 is a robust MEMS sensor for indoor carbon monoxide and natural gas leakage detection, ...

Qty: 1