Overview

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)

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

MQ-2 Gas Sensor x1
4-pin custom connector jumper wire x1