MQ-2 gas sensor can not only detect gas or smoke, but can also detect LPG, Alcohol, Propane, Hydrogen, Methane, and Carbon Monoxide.For interfacing, we are using the 5V and GND pin of the Arduino UNO ...

Gas-Leak-Detection-Alarm-System-using-MQ2-Gas-Sensor-Arduino Use the diagram to connect the components accordingly Copy the code and upload it to the arduino Overview In this project, we will build ...

# Arduino-with-MQ2-and-LCD16x2-i2c MQ2 Gas Sensor with Arduino and LCD 16x2 using i2c Interface This project helps you to print various proportion of gasses present in the atmosphere.