{"product_id":"mq-2-gas-sensor","title":"MQ-2 Gas Sensor","description":"\u003cdiv class=\"overviewSec subHead\"\u003eMQ-2 Gas Sensor\u003c\/div\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSensitive for LPG, propane, hydrogen\u003c\/li\u003e\n\u003cli\u003eOutput voltage boosts along with the concentration of the measured gases increases\u003c\/li\u003e\n\u003cli\u003eFast response and recovery\u003c\/li\u003e\n\u003cli\u003eFeatures boost circuit\u003c\/li\u003e\n\u003cli\u003eAdjustable sensitivity\u003c\/li\u003e\n\u003cli\u003eSignal output indicator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePower: 2.5V ~ 5.0V\u003c\/li\u003e\n\u003cli\u003eDimension: 40.0mm * 21.0mm\u003c\/li\u003e\n\u003cli\u003eMounting holes size: 2.0mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eGas leakage detector\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cp\u003eIn the case of working with a MCU:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVCC ↔ 2.5V ~ 5.0V\u003c\/li\u003e\n\u003cli\u003eGND ↔ power supply ground\u003c\/li\u003e\n\u003cli\u003eAOUT ↔ MCU.IO (analog output)\u003c\/li\u003e\n\u003cli\u003eDOUT ↔ MCU.IO (digital output)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePhotos\u003c\/h2\u003e\u003cdiv class=\"imgWrap\"\u003e\n\u003ca href=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/MQ-2-Gas-Sensor\/MQ-2-Gas-Sensor-2.jpg\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/MQ-2-Gas-Sensor\/MQ-2-Gas-Sensor-2_180.jpg\" alt=\"\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/MQ-2-Gas-Sensor\/MQ-2-Gas-Sensor-3.jpg\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/MQ-2-Gas-Sensor\/MQ-2-Gas-Sensor-3_180.jpg\" alt=\"\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/MQ-2-Gas-Sensor\/MQ-2-Gas-Sensor-4.jpg\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/MQ-2-Gas-Sensor\/MQ-2-Gas-Sensor-4_180.jpg\" alt=\"\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/MQ-2-Gas-Sensor\/MQ-2-Gas-Sensor-5.jpg\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/MQ-2-Gas-Sensor\/MQ-2-Gas-Sensor-5_180.jpg\" alt=\"\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\u003chr\u003e\u003ch2\u003eDownloads\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDevelopment resources:\u003c\/strong\u003e demo codes, schematic, datasheets, etc.\u003cstrong\u003eWiki:\u003c\/strong\u003e\u003ca title=\"download development resources\" href=\"http:\/\/www.waveshare.com\/wiki\/MQ-2_Gas_Sensor\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/MQ-2_Gas_Sensor\u003c\/a\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eSelection Guide\u003c\/h2\u003e\u003ctable class=\"tabSty-1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eSensitive Gas\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMQ-135 Gas Sensor\u003c\/td\u003e\n\u003ctd\u003ebenzene, alcohol, smoke\u003c\/td\u003e\n\u003ctd\u003eAir quality monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMQ-2 Gas Sensor\u003c\/td\u003e\n\u003ctd\u003eLPG, propane, hydrogen\u003c\/td\u003e\n\u003ctd\u003eGas leakage detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMQ-3 Gas Sensor\u003c\/td\u003e\n\u003ctd\u003ealcohol, ethanol\u003c\/td\u003e\n\u003ctd\u003eCar alcohol alarm, breathalyser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMQ-5 Gas Sensor\u003c\/td\u003e\n\u003ctd\u003eLPG, natural gas, coal gas\u003c\/td\u003e\n\u003ctd\u003eGas leakage detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMQ-7 Gas Sensor\u003c\/td\u003e\n\u003ctd\u003ecarbon monoxide\u003c\/td\u003e\n\u003ctd\u003eCarbon monoxide monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eLieferumfang\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eMQ-2 Gas Sensor x1\u003c\/li\u003e\n\u003cli\u003e4-pin custom connector jumper wire x1\u003c\/li\u003e\n\u003c\/ol\u003e\u003cdiv class=\"imgTextWrap\"\u003e\n\u003cdiv\u003e1\u003ca href=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/MQ-2-Gas-Sensor\/MQ-2-Gas-Sensor-1.jpg\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/MQ-2-Gas-Sensor\/MQ-2-Gas-Sensor-1_93.jpg\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e2\u003ca href=\"https:\/\/www.waveshare.com\/img\/devkit\/general\/4-pin-custom-connector-jumper-wire_L.jpg\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/general\/4-pin-custom-connector-jumper-wire.jpg\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"WaveShare","offers":[{"title":"Default Title","offer_id":53568368116049,"sku":"WSAL9529","price":2027.23,"currency_code":"HUF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/3798\/0753\/files\/wsal95291-415983.jpg?v=1776617440","url":"https:\/\/albistech.eu\/products\/mq-2-gas-sensor","provider":"Albistech","version":"1.0","type":"link"}