This circuit mainly uses MQ2 Smoke/Gas sensor and Arduino to detect and calculate the level of smoke. MQ2 gas sensor is also sensible to LPG, Alcohol, and Methane etc. This Smoke Detector can be ...

Smoke Detector using Gas Sensor using arduino A Smoke Detector using a Gas Sensor for Arduino is a prime example of a project that assures beginners and hobbyists in learning how to develop a safety ...

Sensor, microcontroller, and IoT based smoke and fireplace detection gadget layout . layout and build a detector and neutralizer of indoor cigarette smoke the usage of the Arduino-based totally PI ...

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 ...

Ensure proper wiring to avoid any errors. Before using the circuit, use MQ3 sensor to verify test points given in the table. EFY note. The circuit was tested successfully with MQ3 alcohol sensor.

Indoor pollution is a major cause of worry in homes and other enclosed environments. It is possible that prolonged exposure to the residues of heavy metals and particulate matter released into the air ...