MQ2 Smoke LPG Butane Gas Sensor Module

Features :

• Good sensitivity to Combustible gas in a wide range
• High sensitivity to LPG, Propane, and Hydrogen
• Long life and low cost
• Simple drive circuit
• Can be used as a Digital or analog sensor
• The Sensitivity of Digital pin can be varied using the potentiometer
• Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO and even methane.