MQ-2 Combustible Gas Sensor with Arduino UNO – Connection Diagram Now that we have complete understanding of how the MQ-2 gas sensor works we can connect all the required wires to Arduino uno. This ...

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 ...

Parts * Arduino UNO (could be any arduino board ie, mega, nano etc. Make sure to select the right board in the arduino IDE ) * 16x2 LCD display (could be of any resolution as long as it has the ...