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 ...

This code helps interface the MQ2 gas sensor with an Arduino microcontroller. The MQ2 gas sensor detects the levels of LPG, CO and smoke in air. This project can be used in various applications like ...

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 ...

Projeto criado para mostrar a temperatura e a pressão atual do ambiente utilizando arduino e sensores e caso gás seja identificado no ambiente emitir um som e aviso na tela ...

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 ...

An active buzzer module is also included for audio signaling purposes. For environmental monitoring, the kit offers a DHT11 sensor mounted on a PCB, providing reliable temperature and humidity ...

The need for smart home warning systems is in high demand nowadays as they are used to warn owners about undesired situations that could happen while they are far away from their homes. This paper ...