{"id":42922,"date":"2026-05-03T18:27:37","date_gmt":"2026-05-03T18:27:37","guid":{"rendered":"https:\/\/roboticaplus.com\/?post_type=product&#038;p=42922"},"modified":"2026-05-03T18:27:37","modified_gmt":"2026-05-03T18:27:37","slug":"alcohol-sensor-mq-3-analog-for-microbit-elecfreaks-octopus","status":"publish","type":"product","link":"https:\/\/roboticaplus.com\/ar\/product\/alcohol-sensor-mq-3-analog-for-microbit-elecfreaks-octopus\/","title":{"rendered":"Alcohol sensor (MQ-3) analog for Microbit \u2013 Elecfreaks Octopus"},"content":{"rendered":"<p>Alcohol sensor (MQ-3) analog for Microbit \u2013 Elecfreaks Octopus<\/p>\n<p>Elecfreaks Octopus \u2013 Alcohol Sensor (MQ-3) Analog for Microbit Electronic module based on the MQ-3 sensor \u2014 highly sensitive to alcohol vapor, and displays a linear analog output that varies depending on the concentration of the gas in the air. Suitable for direct connection to the Micro:bit or the Octopus:bit platform, with fast responsiveness, long service life and a simple user interface.<\/p>\n<p>The working mechanism of the MQ-3<br \/>\nThe sensor is manufactured with a zinc oxide (SnO\u2082) sensing layer: when exposed to alcohol vapor, its conductivity increases, while in clean air it is lower.<\/p>\n<p>Simple Plug-and-Play interface<br \/>\nIncludes GVS (Signal, VCC, GND) connection, easy to connect to the Octopus:bit or Micro:bit platform.<\/p>\n<p>Response and durability<br \/>\nOperates at a working current of 5V, with fast response and high sensitivity to alcohol vapor, and with high durability over time.<\/p>\n<p>Common applications<br \/>\nSuitable for systems for detecting and measuring alcohol concentration, such as in drunk driving detection or portable alcohol detectors.<\/p>\n<p>Recommended initial operation<br \/>\nThe sensor should be preheated for a few minutes until the reading is stable. The analog output reading value will increase as the alcohol concentration increases.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alcohol sensor (MQ-3) analog for Microbit \u2013 Elecfreaks Octopus Elecfreaks Octopus \u2013 Alcohol Sensor (MQ-3) Analog for Microbit Electronic module based on the MQ-3 sensor \u2014 highly sensitive to alcohol vapor, and displays a linear analog output that varies depending on the concentration of the gas in the air. Suitable for direct connection to the [&hellip;]<\/p>\n","protected":false},"featured_media":42926,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[442,440],"product_tag":[],"class_list":{"0":"post-42922","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-arduino1","7":"product_cat-microbit1","10":"first","11":"instock","12":"sale","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Alcohol sensor (MQ-3) analog for Microbit \u2013 Elecfreaks Octopus - roboticaplus<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/roboticaplus.com\/ar\/product\/alcohol-sensor-mq-3-analog-for-microbit-elecfreaks-octopus\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Alcohol sensor (MQ-3) analog for Microbit \u2013 Elecfreaks Octopus - roboticaplus\" \/>\n<meta property=\"og:description\" content=\"Alcohol sensor (MQ-3) analog for Microbit \u2013 Elecfreaks Octopus Elecfreaks Octopus \u2013 Alcohol Sensor (MQ-3) Analog for Microbit Electronic module based on the MQ-3 sensor \u2014 highly sensitive to alcohol vapor, and displays a linear analog output that varies depending on the concentration of the gas in the air. 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