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100 units available with a short lead time.

Express post shipping available (product has a short lead time)

An analogue gas sensor module based on the MQ-2 sensor, part of the Octopus Electronic Bricks series for plug-and-play integration with Arduino and compatible boards. Detects a wide range of combustible gases and smoke with high sensitivity and fast response time.

Detectable Gases

  • LPG, i-butane, and propane
  • Methane and hydrogen
  • Alcohol
  • Smoke

Key Features

  • Analogue Output – Connect directly to any analogue input pin
  • Adjustable Sensitivity – On-board potentiometer for threshold tuning
  • 5 V Power Supply – Standard operating voltage
  • 3-Pin Interface – S (Signal), V (VCC), G (GND)
  • Fast Response Time – Quick detection of gas changes
  • Dimensions – 38 × 27 mm

Ideal For

  • Gas leakage detection projects
  • Smoke alarm prototyping
  • Air quality monitoring

The Octopus Smoke Sensor MQ-2 Brick OBMQ2 appears in the following collections:

SKU EF-EF04029