Rotobotix MQ-2 LPG/METHANE/Butane Module(Multicolor)

Sensitive for Methane, Butane, LPG, smoke.This sensor is sensitive for flamable and combustible gasses.The heater uses 5V.Features:● Sensitive for LPG, propane, hydrogen● Output voltage boosts along with the concentration of the measured gases increases● Fast response and recovery● Features boost circuit● Adjustable sensitivity● Signal output indicatorSpecifications:● Power: 2.5V ~ 5.0V● Dimension: 40.0mm * 21.0mm● Mounting holes size: 2.0mmApplications:● Gas leakage detectorHow to Use:In the case of working with a MCU:● VCC ↔ 2.5V ~ 5.0V● GND ↔ power supply ground● AOUT ↔ MCU.IO (analog output)● DOUT ↔ MCU.IO (digital output)