Keyestudio MQ-2 Combustible gas and Smoke for Arduino

The Keyestudio MQ-2 Combustible Gas and Smoke Sensor is a versatile detection module designed for Arduino projects, making it an excellent choice for students, hobbyists, and makers building safety systems. This sensor allows you to monitor environmental air quality and detect potential hazards with minimal setup. It is perfect for educational experiments, DIY home automation, and prototyping gas-detection devices.

Broad gas detection capabilities

The MQ-2 sensor is designed to detect LPG, i-butane, propane, methane, alcohol, hydrogen, and smoke. This wide detecting scope makes it suitable for domestic and industrial gas leakage alarms.

Adjustable sensitivity potentiometer

High sensitivity and a quick response time ensure that gas detection is rapid and reliable. The onboard potentiometer allows you to manually adjust the sensitivity to fine-tune the trigger point for your environment.

Standard five-volt power supply

Operating on a standard 5V power supply, this sensor integrates with standard microcontroller development boards. The simple drive circuit ensures low complexity for your custom builds.

Analogue interface type

The module features an analogue interface type, providing a continuous voltage output that corresponds to the concentration of detected gas. This makes it straightforward to read and process using an Arduino analogue input pin.

Stable and long lifespan

Engineered for reliability, this sensor provides stable performance over a long lifespan, ensuring your safety monitoring projects remain dependable over time.

Arduino software and tutorials

To help students and makers get started, the sensor is supported by Arduino software examples and a comprehensive wiki tutorial. These resources guide you through the wiring and programming process.