MQ2 Smoke & Gas Sensor (LPG, Alcohol, Propane, Hydrogen, CO)

MQ2 Smoke & Gas Sensor (LPG, Alcohol, Propane, Hydrogen, CO)

The MQ2 smoke & gas sensor is a type of gas sensor that is sensitive to a wide range of gases, including flammable gases such as methane, propane, and hydrogen, as well as smoke. It is often used in gas leakage detection systems, as well as in applications such as home security and air quality monitoring. The MQ-2 sensor works by measuring changes in resistance across a sensing element in the presence of different gases, and outputting an electrical signal that can be read and interpreted by a microcontroller or other control system.

The MQ-2 gas sensor can be used for a variety of applications, including:

1. Gas Leakage Detection: The MQ-2 sensor can detect a wide range of flammable gases such as methane, propane, and hydrogen. It can be used in gas leakage detection systems for homes, offices, and industrial facilities.
2. Air Quality Monitoring: The MQ-2 sensor can detect smoke and other harmful gases, making it useful for monitoring the air quality in homes, offices, and other enclosed spaces.
3. Home Security: The MQ-2 sensor can detect the presence of flammable gases and smoke, making it useful for detecting potential fires and other hazards in homes and other buildings.
4. Robotics: MQ-2 can be used as a sensor in robots, to detect different gases and avoid any potential hazards.
5. Automotive: MQ-2 can also be used in automotive applications like detecting the presence of LPG (Liquified Petroleum Gas) or CNG (Compressed Natural Gas) in the vehicle.
6. Industrial: MQ-2 can be used in industrial applications such as detecting the presence of flammable gases in chemical plants, oil refineries, and other industrial facilities.

Datasheet: https://www.pololu.com/file/0J309/MQ2.pdf

Explained Video: Smoke & Gas Sensor for Electronics Projects- MQ2

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