
How to Use MQ2 Gas Smoke Sensor with Arduino
The MQ2 Gas Smoke Sensor is a widely used gas and smoke sensor capable of detecting combustible gases like LPG, propane, methane, hydrogen, alcohol, and smoke particles in the air.

The MQ2 Gas Smoke Sensor is a widely used gas and smoke sensor capable of detecting combustible gases like LPG, propane, methane, hydrogen, alcohol, and smoke particles in the air.

The DHT11 sensor is one of the most widely used digital sensors for measuring temperature and humidity. It is simple, low-cost, and ideal for beginners in electronics and Arduino development.

The PIR (Passive Infrared) Motion Sensor HC-SR501 is a popular sensor used to detect motion from living beings. It is commonly used in security systems, automatic lighting, and motion-activated devices.