Sell Smart Electronics 1pcs MQ2 MQ 2 MQ-2 Smoke Liquefied Flammable Methane Gas Sensor Module for Arduino Diy Starter Kit best price

High Quality MQ-2 Smoke Gas LPG Butane Hydrogen Sensor Module for Arduino MQ2 Smoke Gas Detector Module for Arduino Features: Operating Voltage is +5V Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO and even methane Analog output voltage: 0V to 5V Digital Output Voltage: 0V or 5V (TTL Logic) Can be used as a Digital or analog sensor The Sensitivity of Digital pin can be varied using the potentiometer MQ-2 Gas Sensor Sensitive for LPG, propane, hydrogen, Combustible Gas, Smoke Output voltage boosts along with the concentration of the measured gases increases Fast response and recovery Features boost circuit