MQ2 – Keyestudio Analog Gas Sensor for arduino

This analog gas sensor – MQ2 is used in gas leakage detecting equipment in consumer electronics and industrial markets.
This sensor is suitable for detecting LPG, I-butane, propane, methane, alcohol, Hydrogen and smoke. It has high sensitivity and quick response.
In addition, the sensitivity can be adjusted by rotating the potentiometer.

Specification

• Power Supply: 5V
• Interface Type: Analog
• Wide detecting scope
• Quick response and High sensitivity
• Simple drive circuit
• Stable and long lifespan

Code and connection is here