Insert the Arduino Nano and MQ-2 smoke sensor in the breadboard. Power up the sensor through Arduino and connect the A0 pin of the sensor to A5 of Arduino. Connect a buzzer and an LED in a parallel ...

I will attach all the schematics and the PCBs design for the project. I will start by doing the PCB design for the smoke sensor detector. Components: Arduino UNO; Power Supply; Smoke Sensor (MQ2) ...

In this Smoke Detector Circuit with Arduino, we have used a MQ2 Gas Sensor to detect preset smoke in the air. A 16x2 LCD is used for displaying the PPM value of Smoke. And an LM358 IC for converting ...

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 ...

It really is a hands-on way to learn electronics and programming while building a useful gadget. Get your Arduino board and gas sensor to start creating your smoke detector today. Write a code for ...

This Arduino sketch is designed to monitor environmental conditions using a DHT sensor (temperature and humidity), an MQ2 smoke sensor, and an LCD display. Additionally, it integrates a GSM module ...

MQ-2 was chosen because it has a low price and good durability. In this work, an Arduino-uno based monitoring system for detecting the smoke of the mosquito coil had been developed. The major hardware ...

The code I am sharing with you clearly describes every function of the component. ... in which I have shown the working of three sensors with a single Arduino. These include a PIR sensor (digital), ...