{"product_id":"mq2-smoke-and-gas-sensor-module-lpg-propane-hydrogen-co-detector-5v","title":"MQ2 Smoke and Gas Sensor Module LPG Propane Hydrogen CO Detector 5V","description":"\u003cp\u003eThe MQ2 Smoke and Gas Sensor Module is a versatile gas detection module designed to detect combustible gases and smoke in residential, industrial, and educational applications. Operating from a 5V supply, it can detect gases such as LPG, propane, methane, hydrogen, alcohol vapor, carbon monoxide (CO), and smoke, making it suitable for gas leakage monitoring and air quality applications.\u003c\/p\u003e\u003cp\u003eThe module provides both analog and digital outputs, allowing it to be used for simple gas detection or continuous gas concentration monitoring. The onboard potentiometer enables users to adjust the digital output sensitivity, while the analog output provides varying voltage levels corresponding to gas concentration. Compatible with Arduino, ESP32, Raspberry Pi, STM32, and other popular microcontrollers.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Model:\u003c\/strong\u003e MQ2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Output:\u003c\/strong\u003e 0V – 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Output:\u003c\/strong\u003e TTL (0V or 5V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarm-Up Time:\u003c\/strong\u003e ~20 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity Adjustment:\u003c\/strong\u003e Onboard potentiometer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetectable Gases:\u003c\/strong\u003e LPG, Propane, Butane, Methane, Hydrogen, Alcohol vapors, Carbon Monoxide (CO), Smoke\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eImportant Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe MQ2 sensor requires an initial warm-up period for stable operation. Allow additional stabilization time before taking critical measurements.\u003c\/li\u003e\n\u003cli\u003eThe sensor is intended for gas detection and relative concentration monitoring. It is not a calibrated instrument for precise PPM measurements without proper calibration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Includes\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 x MQ2 Smoke and Gas Sensor Module\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNote: Image is for representation purpose only.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Circuitcomps","offers":[{"title":"Default Title","offer_id":47659540709553,"sku":"CC-001125","price":96.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/0937\/9249\/files\/MQ2_Smoke_and_Gas_Sensor_Module_LPG_Propane_Hydrogen_CO_Detector_5V_3.png?v=1782824242","url":"https:\/\/circuitcomps.com\/products\/mq2-smoke-and-gas-sensor-module-lpg-propane-hydrogen-co-detector-5v","provider":"Circuitcomps","version":"1.0","type":"link"}