About the Product
MQ-2 Gas Sensor Module – High-Sensitivity Air Quality & Gas Leak Detection
The MQ-2 Gas Sensor Module is designed for Arduino, Raspberry Pi, and other microcontroller platforms, offering reliable detection of a wide range of gases including LPG, i-butane, propane, methane, alcohol, hydrogen, and smoke.

With adjustable sensitivity and support for both analog and digital outputs, this module is perfect for applications such as gas leak alarms, air quality monitoring, and robotics projects. Operating at 5V DC, it delivers fast response times and high sensitivity, making it a dependable choice for safety and automation systems.

Key Features:

  • Gas Detection: LPG, i-butane, propane, methane, alcohol, hydrogen, smoke

  • Operating Voltage: 5V DC

  • Outputs: Analog output (measured concentration) & digital output (threshold detection)

  • Detection Range: 100 – 10,000 ppm

  • Compatibility: Works with Arduino, Raspberry Pi, and similar controllers

  • Applications: Gas leak detection, air quality monitoring, robotics