MQ2 Air Quality Gas Smoke Detection Sensor Module Key Features: Detects multiple gases including LPG, ibutane, propane, methane, alcohol, hydrogen, and smoke. Adjustable sensitivity for precise calibration to your application needs. Operates on 5V DC for easy compatibility with standard electronic projects. Provides both analog output for measured values and digital output for thresholdbased signals. sensitivity combined with a fast response time for reliable, realtime monitoring. Benefits and Advantages: Monitors gas and smoke presence to enhance safety and prevent hazardous situations. Dual output options allow flexible integration into a wide range of control or alarm systems. Quick detection ensures timely responses to gas leaks or air quality changes. Adjustable sensitivity enables for different environmental conditions. Applications: 1. Home or commercial gas leak detection systems for safety monitoring. 2. Integration into air quality measurement devices for laboratories or industrial environments. 3. Embedded in IoT projects or microcontrollerbased security systems for smoke and gas detection. Technical Compatibility and Performance: Designed for easy use with microcontrollers such as Arduino and Raspberry Pi. Compact module size suitable for spacelimited installations. Built with durable components to ensure consistent performance over time. Fast warmup and stable sensing capability in various indoor environments. This MQ2 module delivers dependable gas and smoke detection with simple integration into both hobbyist and professional projects, providing critical environmental monitoring with accuracy and speed.