How to Interface MQ 2 with Arduino
Introduction: MQ 2 or MQ6 is Gas leakage sensor which consists of 4 pins. This module is used to detect the gases like butane, propane and LPG. VCC – 5v DC GND – ground D0 – Digital out A0 – Analog out Requirements: Arduino UNO – 1 MQ2/MQ6 – 1 Jumper Wires Working: If no…