The MQ-2 Smoke Flammable Gas Sensor Module is a sensitive sensor capable of detecting smoke, LPG, propane, methane, and other flammable gases. It provides both digital and analog outputs, making it ideal for Arduino, Raspberry Pi, and other microcontroller projects. Perfect for home safety, DIY electronics, robotics, and educational experiments, The MQ-2 Smoke Flammable Gas Sensor Module Now accessible via StemVolt, ensures reliable and fast detection. This Module compact design and stable performance make it a must-have for students, makers, and DIYers.
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Applications:
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Smoke detection systems
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LPG leak monitoring
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DIY safety projects
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Arduino and Raspberry Pi experiments
Specifications:
| Parameter | Details |
|---|---|
| Sensor type | Smoke Flammable Gas Sensor |
| Detectable gases | Smoke, LPG, Methane, Propane, Flammable Gases |
| Operating voltage | 5V DC |
| Preheat Duration (Sec) | 20sec |
| Model | MQ-2 |
| Dimensions (LxWxH) | 36 x 20 x 21 mm |
Package Includes:
1 × MQ-2 Smoke Flammable Gas Sensor Module


















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