The MQ-6 Gas Sensor Module is specially designed to detect LPG (Liquefied Petroleum Gas), butane, and propane. It offers high sensitivity, fast response, and stable output, making it ideal for gas leak detectors, safety alarms, home safety systems, industrial gas monitoring, and Arduino-based IoT projects.
It provides both analog and digital outputs, so it can easily be interfaced with Arduino, ESP32, ESP8266, Raspberry Pi, and other microcontrollers. This sensor is widely used in kitchens, workshops, and industrial environments to detect early gas leakage.
Key Features:
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Detects LPG, butane, propane, and flammable gases
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High sensitivity & quick response
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Analog + digital output
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Adjustable sensitivity (via potentiometer)
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Compatible with Arduino, ESP32, Raspberry Pi
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Ideal for gas leak alarms and safety devices
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Durable sensor with long operating life












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