The MQ-5 Smoke & Gas Detector Module is a budget-friendly, high-sensitivity semiconductor breakout card designed for real-time gas safety monitoring, industrial leak detection, and automated hazard control. Available from FamePhase Electronics Accessories , it utilizes a premium Tin Oxide sensing element that delivers exceptional noise immunity against interference from alcohol fumes, smoke, and cooking vapors. Equipped with a standard 4-pin interface providing both analog and digital outputs, this module is an ideal baseline for developers, hobbyists, and engineering students designing smart ventilation systems and automated safety shutoff valves.