MQ-4 LPG Methane/Hydrogen Gas Sensor Module

MQ-4 LPG Methane/Hydrogen Gas Sensor Module 

-Dual-way Signal Output, Analog output and TTL level outputHigh sensitivity to LPG, gas, alcohol, hydrogen and more
-Fast response and recovery
-Good steadiness and long service life
-Great for home or factory gas leakage detection
-Use for Detecting: Combustible gas such as LPG, butane, methane, alcohol, propane, hydrogen, smoke, etc

Specification:
Main chip:MQ-4 gas sensor module
Working Voltage: 5V For DC
Detecting Range: 300 to 10000ppm
TTL output valid signal is low
Size:32X22X27mm

 

Main chip:MQ-4 gas sensor module
Working Voltage: 5V For DC
Detecting Range: 300 to 10000ppm
TTL output valid signal is low
Size:32X22X27mm

  • VCC: positive power supply (5V)
  • GND: power supply is negative
  • DO: TTL switching signal output
  • AO: analog signal output

More detailed information & instructions on MQ Gas Sensors is available at the Arduino Playground: https://playground.arduino.cc/Main/MQGasSensors

 

  • N/A

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