The MQ2 gas sensor is a sensor commonly used to detect combustible gases such as LPG, propane, methane, hydrogen, alcohol, smoke, and others. It uses a thermal resistance to measure the gas ...

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 ...

The application of sensors in smart homes using Arduino to control equipment such as lights, fans, alarms, and so on. Sensors used in Arduino include LDR, Ultrasonic, DHT11, and MQ2. LDR is used to ...