{"id":1193,"date":"2025-05-11T16:28:22","date_gmt":"2025-05-11T10:58:22","guid":{"rendered":"https:\/\/vihaaniotgateway.in\/?post_type=product&#038;p=1193"},"modified":"2026-02-08T16:46:40","modified_gmt":"2026-02-08T11:16:40","slug":"mq2-gas-sensor-module-lpg-methane-smoke-detector","status":"publish","type":"product","link":"https:\/\/vihaaniotgateway.in\/index.php\/product\/mq2-gas-sensor-module-lpg-methane-smoke-detector\/","title":{"rendered":"MQ2 Gas Sensor Module \u2013 Smoke &#038; Gas Detection for Arduino, ESP32, Raspberry Pi"},"content":{"rendered":"<h2 class=\"\" data-start=\"339\" data-end=\"412\">MQ2 Gas Sensor Module \u2013 LPG, Methane, Smoke &amp; Combustible Gas Detector<\/h2>\n<p class=\"\" data-start=\"414\" data-end=\"829\">The <strong data-start=\"418\" data-end=\"443\">MQ2 Gas Sensor Module<\/strong> is a versatile and cost-effective sensor designed to detect a wide range of combustible gases and smoke. It is a popular choice among hobbyists, students, engineers, and developers who are building projects related to <strong data-start=\"662\" data-end=\"709\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"664\" data-end=\"707\">safety systems<\/a><\/strong>, <strong data-start=\"711\" data-end=\"760\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"713\" data-end=\"758\">home automation<\/a><\/strong>, and <strong data-start=\"766\" data-end=\"828\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"768\" data-end=\"826\">environmental monitoring<\/a><\/strong>.<\/p>\n<p class=\"\" data-start=\"831\" data-end=\"1302\">With a fast response time and high sensitivity, this sensor is ideal for detecting gases such as <strong data-start=\"928\" data-end=\"935\">LPG<\/strong>, <strong data-start=\"937\" data-end=\"948\">methane<\/strong>, <strong data-start=\"950\" data-end=\"961\">propane<\/strong>, <strong data-start=\"963\" data-end=\"975\">hydrogen<\/strong>, <strong data-start=\"977\" data-end=\"988\">alcohol<\/strong>, and <strong data-start=\"994\" data-end=\"1003\">smoke<\/strong> in the surrounding air. It&#8217;s fully compatible with development platforms like <strong data-start=\"1082\" data-end=\"1134\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"1084\" data-end=\"1132\">Arduino<\/a><\/strong>, <strong data-start=\"1136\" data-end=\"1181\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"1138\" data-end=\"1179\">ESP32<\/a><\/strong>, and <strong data-start=\"1187\" data-end=\"1238\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"1189\" data-end=\"1236\">Raspberry Pi<\/a><\/strong>, making it easy to integrate into your IoT or embedded project.<\/p>\n<p class=\"\" data-start=\"1304\" data-end=\"1583\">Built with a <strong data-start=\"1317\" data-end=\"1339\">SnO\u2082 (tin dioxide)<\/strong> sensing layer, the MQ2 changes its resistance when exposed to certain gases, allowing accurate measurement of gas concentration. The module provides both <strong data-start=\"1494\" data-end=\"1524\">analog and digital outputs<\/strong>, offering flexibility in how you collect and process data.<\/p>\n<p class=\"\" data-start=\"1585\" data-end=\"1779\">Whether you&#8217;re creating a <strong data-start=\"1611\" data-end=\"1669\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"1613\" data-end=\"1667\">smart gas detector<\/a><\/strong>, an <strong data-start=\"1674\" data-end=\"1694\">industrial alarm<\/strong>, or a <strong data-start=\"1701\" data-end=\"1728\">DIY gas-sensing project<\/strong>, this module delivers reliability and ease of use.<\/p>\n<h3 class=\"\" data-start=\"1781\" data-end=\"1801\">\ud83d\udd27 Key Features:<\/h3>\n<ul data-start=\"1802\" data-end=\"2152\">\n<li class=\"\" data-start=\"1802\" data-end=\"1879\">\n<p class=\"\" data-start=\"1804\" data-end=\"1879\">Detects multiple gases: <strong data-start=\"1828\" data-end=\"1879\">LPG, methane, propane, hydrogen, alcohol, smoke<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"1880\" data-end=\"1958\">\n<p class=\"\" data-start=\"1882\" data-end=\"1958\">Dual output: analog for real-time concentration, digital for threshold alert<\/p>\n<\/li>\n<li class=\"\" data-start=\"1959\" data-end=\"2009\">\n<p class=\"\" data-start=\"1961\" data-end=\"2009\">Onboard potentiometer for sensitivity adjustment<\/p>\n<\/li>\n<li class=\"\" data-start=\"2010\" data-end=\"2056\">\n<p class=\"\" data-start=\"2012\" data-end=\"2056\">Quick response time for effective monitoring<\/p>\n<\/li>\n<li class=\"\" data-start=\"2057\" data-end=\"2109\">\n<p class=\"\" data-start=\"2059\" data-end=\"2109\">Compact size; perfect for embedded and IoT systems<\/p>\n<\/li>\n<li class=\"\" data-start=\"2110\" data-end=\"2152\">\n<p class=\"\" data-start=\"2112\" data-end=\"2152\">Compatible with most 5V microcontrollers<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"2154\" data-end=\"2186\">\u2699\ufe0f Technical Specifications:<\/h3>\n<ul data-start=\"2187\" data-end=\"2432\">\n<li class=\"\" data-start=\"2187\" data-end=\"2217\">\n<p class=\"\" data-start=\"2189\" data-end=\"2217\"><strong data-start=\"2189\" data-end=\"2210\">Operating Voltage<\/strong>: 5V DC<\/p>\n<\/li>\n<li class=\"\" data-start=\"2218\" data-end=\"2261\">\n<p class=\"\" data-start=\"2220\" data-end=\"2261\"><strong data-start=\"2220\" data-end=\"2243\">Gas Detection Range<\/strong>: 200 \u2013 10,000 ppm<\/p>\n<\/li>\n<li class=\"\" data-start=\"2262\" data-end=\"2296\">\n<p class=\"\" data-start=\"2264\" data-end=\"2296\"><strong data-start=\"2264\" data-end=\"2287\">Current Consumption<\/strong>: \u2264150 mA<\/p>\n<\/li>\n<li class=\"\" data-start=\"2297\" data-end=\"2328\">\n<p class=\"\" data-start=\"2299\" data-end=\"2328\"><strong data-start=\"2299\" data-end=\"2315\">Preheat Time<\/strong>: ~20 seconds<\/p>\n<\/li>\n<li class=\"\" data-start=\"2329\" data-end=\"2362\">\n<p class=\"\" data-start=\"2331\" data-end=\"2362\"><strong data-start=\"2331\" data-end=\"2344\">Interface<\/strong>: VCC, GND, AO, DO<\/p>\n<\/li>\n<li class=\"\" data-start=\"2363\" data-end=\"2393\">\n<p class=\"\" data-start=\"2365\" data-end=\"2393\"><strong data-start=\"2365\" data-end=\"2375\">Output<\/strong>: Analog &amp; Digital<\/p>\n<\/li>\n<li class=\"\" data-start=\"2394\" data-end=\"2432\">\n<p class=\"\" data-start=\"2396\" data-end=\"2432\"><strong data-start=\"2396\" data-end=\"2404\">Size<\/strong>: Approx. 32mm x 22mm x 27mm<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"2434\" data-end=\"2458\">\ud83e\uddea Detectable Gases:<\/h3>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2459\" data-end=\"2794\">\n<thead data-start=\"2459\" data-end=\"2500\">\n<tr data-start=\"2459\" data-end=\"2500\">\n<th data-start=\"2459\" data-end=\"2474\" data-col-size=\"sm\">Gas Type<\/th>\n<th data-start=\"2474\" data-end=\"2500\" data-col-size=\"sm\">Detection Range<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2543\" data-end=\"2794\">\n<tr data-start=\"2543\" data-end=\"2584\">\n<td data-start=\"2543\" data-end=\"2558\" data-col-size=\"sm\">LPG<\/td>\n<td data-col-size=\"sm\" data-start=\"2558\" data-end=\"2584\">200 \u2013 10,000 ppm<\/td>\n<\/tr>\n<tr data-start=\"2585\" data-end=\"2626\">\n<td data-start=\"2585\" data-end=\"2600\" data-col-size=\"sm\">Methane<\/td>\n<td data-col-size=\"sm\" data-start=\"2600\" data-end=\"2626\">300 \u2013 10,000 ppm<\/td>\n<\/tr>\n<tr data-start=\"2627\" data-end=\"2668\">\n<td data-start=\"2627\" data-end=\"2642\" data-col-size=\"sm\">Hydrogen<\/td>\n<td data-col-size=\"sm\" data-start=\"2642\" data-end=\"2668\">100 \u2013 10,000 ppm<\/td>\n<\/tr>\n<tr data-start=\"2669\" data-end=\"2710\">\n<td data-start=\"2669\" data-end=\"2684\" data-col-size=\"sm\">Propane<\/td>\n<td data-col-size=\"sm\" data-start=\"2684\" data-end=\"2710\">Detectable<\/td>\n<\/tr>\n<tr data-start=\"2711\" data-end=\"2752\">\n<td data-start=\"2711\" data-end=\"2726\" data-col-size=\"sm\">Alcohol<\/td>\n<td data-col-size=\"sm\" data-start=\"2726\" data-end=\"2752\">Detectable<\/td>\n<\/tr>\n<tr data-start=\"2753\" data-end=\"2794\">\n<td data-start=\"2753\" data-end=\"2768\" data-col-size=\"sm\">Smoke<\/td>\n<td data-col-size=\"sm\" data-start=\"2768\" data-end=\"2794\">Detectable (varies)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\">\n<div class=\"absolute end-0 flex items-end\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 class=\"\" data-start=\"2796\" data-end=\"2816\">\ud83d\udce6 Applications:<\/h3>\n<ul data-start=\"2817\" data-end=\"3275\">\n<li class=\"\" data-start=\"2817\" data-end=\"2879\">\n<p class=\"\" data-start=\"2819\" data-end=\"2879\"><strong data-start=\"2819\" data-end=\"2879\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"2821\" data-end=\"2877\">Gas leak detection kits<\/a><\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"2880\" data-end=\"2940\">\n<p class=\"\" data-start=\"2882\" data-end=\"2940\"><strong data-start=\"2882\" data-end=\"2940\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"2884\" data-end=\"2938\">Fire and smoke alarm systems<\/a><\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"2941\" data-end=\"3007\">\n<p class=\"\" data-start=\"2943\" data-end=\"3007\"><strong data-start=\"2943\" data-end=\"2998\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"2945\" data-end=\"2996\">Smart home automation<\/a><\/strong> projects<\/p>\n<\/li>\n<li class=\"\" data-start=\"3008\" data-end=\"3106\">\n<p class=\"\" data-start=\"3010\" data-end=\"3106\"><strong data-start=\"3010\" data-end=\"3078\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"3012\" data-end=\"3076\">Air quality monitoring<\/a><\/strong> in offices, homes, and labs<\/p>\n<\/li>\n<li class=\"\" data-start=\"3107\" data-end=\"3190\">\n<p class=\"\" data-start=\"3109\" data-end=\"3190\"><strong data-start=\"3109\" data-end=\"3162\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"3111\" data-end=\"3160\">IoT safety systems<\/a><\/strong> for industrial environments<\/p>\n<\/li>\n<li class=\"\" data-start=\"3191\" data-end=\"3275\">\n<p class=\"\" data-start=\"3193\" data-end=\"3275\">Educational kits for <strong data-start=\"3214\" data-end=\"3275\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"3216\" data-end=\"3273\">STEM and robotics learning<\/a><\/strong><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"3277\" data-end=\"3307\">\ud83d\ude80 Why Buy from Vihaan IoT Gateway:<\/h3>\n<ul data-start=\"3308\" data-end=\"3520\">\n<li class=\"\" data-start=\"3308\" data-end=\"3348\">\n<p class=\"\" data-start=\"3310\" data-end=\"3348\">\u2714\ufe0f 100% original electronic components<\/p>\n<\/li>\n<li class=\"\" data-start=\"3349\" data-end=\"3388\">\n<p class=\"\" data-start=\"3351\" data-end=\"3388\">\ud83d\ude9a Free delivery on orders above \u20b9500<\/p>\n<\/li>\n<li class=\"\" data-start=\"3389\" data-end=\"3441\">\n<p class=\"\" data-start=\"3391\" data-end=\"3441\">\ud83d\udce6 Bulk discounts for institutions and makerspaces<\/p>\n<\/li>\n<li class=\"\" data-start=\"3442\" data-end=\"3520\">\n<p class=\"\" data-start=\"3444\" data-end=\"3520\">\ud83d\udca1 Support for integrating with <strong data-start=\"3476\" data-end=\"3487\">Arduino<\/strong>, <strong data-start=\"3489\" data-end=\"3498\">ESP32<\/strong>, and <strong data-start=\"3504\" data-end=\"3520\">Raspberry Pi<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"3522\" data-end=\"3525\" \/>\n<p class=\"\" data-start=\"3527\" data-end=\"3795\">Get the <strong data-start=\"3535\" data-end=\"3560\">MQ2 Gas Sensor Module<\/strong> today and enhance your safety, automation, or monitoring project with precision and reliability. Explore more in our <strong data-start=\"3678\" data-end=\"3729\"><a class=\"cursor-pointer\" rel=\"noopener\" data-start=\"3680\" data-end=\"3727\">sensor collection<\/a><\/strong> and make your devices smarter with components from <strong data-start=\"3781\" data-end=\"3794\">Vihaan IoT Gateway<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MQ2 Gas Sensor detects LPG, methane, smoke &amp; more. Ideal for Arduino, ESP32, Raspberry Pi projects. Fast response, dual output, adjustable sensitivity.<\/p>\n","protected":false},"featured_media":1195,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[19,73],"product_tag":[],"class_list":{"0":"post-1193","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-electronics","7":"product_cat-sensors-and-modules","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/product\/1193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/comments?post=1193"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/media\/1195"}],"wp:attachment":[{"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/media?parent=1193"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/product_brand?post=1193"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/product_cat?post=1193"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/product_tag?post=1193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}