This project will teach you about sensors, data processing, and safety applications. It really is a hands-on way to learn electronics and programming while building a useful gadget. Get your Arduino ...

MQ-2 gas sensor can not only detect gas or smoke, but can also detect LPG, Alcohol, Propane, Hydrogen, Methane, and Carbon Monoxide.For interfacing, we are using the 5V and GND pin of the Arduino UNO ...

Connect it to any digital pin of Arduino. S-GND is the ground pin of the pulse Dust Sensor module and it should be connected to the ground pin of the Arduino. Vout This is the output of the Dust ...