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MQ2 Gas Sensor Module Overview by aparna kulkarni is a document available to read on EtoBox.

What is MQ2 Gas Sensor Module Overview about?

The MQ2 gas sensor module can detect gases like LPG, propane, and hydrogen. It uses an SnO2 sensor that has lower conductivity in clean air but provides an analog output based on the concentration of detected gases like smoke. The sensor is connected in a voltage divider circuit with a variable resistor to allow adjusting sensitivity. It operates on 4.5-5V and can detect combustible gases in the range of 300-10,000ppm. Applications include monitoring air quality and safety in homes.

Author

aparna kulkarni

Language

EN