{"id":1410,"date":"2026-06-30T00:52:21","date_gmt":"2026-06-29T19:22:21","guid":{"rendered":"https:\/\/capkit.in\/?post_type=product&p=1410"},"modified":"2026-06-30T00:52:21","modified_gmt":"2026-06-29T19:22:21","slug":"mq-8-hydrogen-gas-sensor-module","status":"publish","type":"product","link":"https:\/\/capkit.in\/?product=mq-8-hydrogen-gas-sensor-module","title":{"rendered":"MQ-8 Hydrogen Gas Sensor Module"},"content":{"rendered":"

The MQ-8 Hydrogen Gas Sensor Module is a reliable gas detection sensor designed specifically for hydrogen (H\u2082) monitoring. It offers fast response, stable performance, and high sensitivity to hydrogen gas while providing low sensitivity to alcohol and LPG. The module includes an onboard LM393 comparator with an adjustable sensitivity potentiometer and both analog and digital outputs for easy interfacing with microcontrollers.<\/p>\n

Suitable for DIY electronics, industrial monitoring, laboratory safety, fuel cell systems, and hydrogen leakage alarms, the MQ-8 is an excellent choice for accurate hydrogen gas detection.<\/p>\n

\n

Features<\/strong><\/span><\/h3>\n
    \n
  • High sensitivity to Hydrogen (H\u2082) gas<\/li>\n
  • Analog and digital output<\/li>\n
  • Adjustable detection threshold<\/li>\n
  • Fast response and recovery time<\/li>\n
  • Onboard LM393 comparator<\/li>\n
  • Power and output status LEDs<\/li>\n
  • Easy interface with Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other microcontrollers<\/li>\n
  • Stable and reliable performance<\/li>\n
  • Compact design for easy installation<\/li>\n<\/ul>\n
    \n

    Specifications<\/strong><\/span><\/h3>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Parameter<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
    Sensor Model<\/td>\nMQ-8<\/td>\n<\/tr>\n
    Operating Voltage<\/td>\n5V DC<\/td>\n<\/tr>\n
    Operating Current<\/td>\n<150mA<\/td>\n<\/tr>\n
    Output Type<\/td>\nAnalog (AO) & Digital (DO)<\/td>\n<\/tr>\n
    Detection Gas<\/td>\nHydrogen (H\u2082)<\/td>\n<\/tr>\n
    Detection Range<\/td>\n100\u201310,000 ppm (Approx.)<\/td>\n<\/tr>\n
    Comparator IC<\/td>\nLM393<\/td>\n<\/tr>\n
    Sensitivity Adjustment<\/td>\nOnboard Potentiometer<\/td>\n<\/tr>\n
    Warm-up Time<\/td>\n\u226520 Seconds (24\u201348 Hours recommended for first use)<\/td>\n<\/tr>\n
    Response Time<\/td>\nFast<\/td>\n<\/tr>\n
    Interface<\/td>\nVCC, GND, AO, DO<\/td>\n<\/tr>\n
    Operating Temperature<\/td>\n-10\u00b0C to +50\u00b0C<\/td>\n<\/tr>\n
    Module Dimensions<\/td>\nApprox. 32 \u00d7 20 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Detected Gas<\/strong><\/h1>\n
      \n
    • Hydrogen (H\u2082)<\/li>\n<\/ul>\n
      \n

      Applications<\/strong><\/span><\/h3>\n
        \n
      • Hydrogen Leak Detection<\/li>\n
      • Fuel Cell Systems<\/li>\n
      • Industrial Safety Monitoring<\/li>\n
      • Laboratory Equipment<\/li>\n
      • Hydrogen Storage Monitoring<\/li>\n
      • Smart Safety Systems<\/li>\n
      • Arduino Projects<\/li>\n
      • ESP32 & ESP8266 Projects<\/li>\n
      • Raspberry Pi Projects<\/li>\n
      • IoT Monitoring Systems<\/li>\n
      • Educational Electronics Projects<\/li>\n<\/ul>\n
        \n

        Package Includes<\/strong><\/span><\/h3>\n
          \n
        • 1 \u00d7 MQ-8 Hydrogen Gas Sensor Module<\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

          The MQ-8 Gas Sensor Module is specially designed to detect hydrogen (H\u2082) gas with high sensitivity. It features both analog and digital outputs, making it ideal for Arduino, ESP32, Raspberry Pi, IoT, industrial safety, and hydrogen leak detection applications<\/p>\n","protected":false},"featured_media":1407,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[58],"product_tag":[328,340,342,327,339,341,338,337,299],"class_list":["post-1410","product","type-product","status-publish","has-post-thumbnail","product_cat-gas-smoke-sensors","product_tag-esp32-gas-sensor","product_tag-gas-detection-module","product_tag-hydrogen-detector","product_tag-hydrogen-gas-sensor","product_tag-hydrogen-leak-detector","product_tag-industrial-gas-sensor","product_tag-mq-8-sensor-module","product_tag-mq8-gas-sensor","product_tag-raspberry-pi-sensor","first","instock","taxable","shipping-taxable","purchasable","product-type-simple","col-xs-6 col-sm-4","col-md-3 col-lg-3","un-4-cols"],"_links":{"self":[{"href":"https:\/\/capkit.in\/index.php?rest_route=\/wp\/v2\/product\/1410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/capkit.in\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/capkit.in\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/capkit.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1410"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/capkit.in\/index.php?rest_route=\/wp\/v2\/media\/1407"}],"wp:attachment":[{"href":"https:\/\/capkit.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1410"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/capkit.in\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=1410"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/capkit.in\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=1410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}