What types of gas can I detect with the MQ-2 Gas sensor? If you check out the datasheet of the device you can observe that this sensor can measure many different types of gasses like Liquefied ...

In this project, we will build Gas Leak Detection & Alarm System using MQ2 Gas Sensor and Arduino UNO Board. The MQ2 sensor is a versatile gas sensor capable of detecting a wide range of gases as well ...

MQ-2 Gas and Smoke Sensor Module – Parts. In most Arduino projects, the MQ-2 sensor is used to detect hazardous or flammable gas or smoke and hence this sensor is popular among beginners.Also these ...

In this proposed project, we have interfaced Arduino Uno with MQ2/MQ6 sensors, SIM900A GSM module, servo motor, buzzer, and LED. The interfacing is done in such a way that whenever there is a gas leak ...

MQ-135 Gas Sensor and OLED Display module both are powered with +5V and GND. The Analog Out pin of the MQ-135 sensor is connected to the A0 pin of Arduino Nano. Since the OLED Display module uses SPI ...

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 ...