Smoke sensor module | mq2 gas sensor

This video about what is Smoke sensor module | mq2 gas sensor

Detect smoke and combustible gases with the versatile MQ-2 sensor module. Ideal for fire alarms, gas leak detectors, and air quality monitoring systems.

The MQ-2 gas sensor is a popular type of gas sensor used to detect various gases in the air, including methane, propane, carbon monoxide, alcohol, and smoke. It operates using a sensitive metal oxide semiconductor (MOS) that changes resistance when exposed to specific gases. This change in resistance is then measured and converted into a corresponding voltage or signal that can be processed by a microcontroller or other electronic devices.

The MQ-2 sensor is commonly used in safety systems, air quality monitoring, and industrial applications. Its sensitivity to multiple gases makes it a versatile and affordable option for detecting hazardous substances or monitoring environmental conditions. The sensor typically requires a preheating time to stabilize, and it operates with a heating element to promote gas adsorption on the semiconductor surface.

The MQ-2 sensor's ability to detect a wide range of gases, along with its ease of integration with microcontroller-based systems (like Arduino or Raspberry Pi), makes it a popular choice for DIY projects and sensor-based applications.

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