{"id":1507,"date":"2021-11-17T09:50:37","date_gmt":"2021-11-17T08:50:37","guid":{"rendered":"https:\/\/www.onetimenexttime.sk\/arduino\/?post_type=product&#038;p=1507"},"modified":"2024-02-22T22:08:32","modified_gmt":"2024-02-22T21:08:32","slug":"1507","status":"publish","type":"product","link":"https:\/\/www.onetimenexttime.sk\/arduino\/index.php\/produkt\/1507\/","title":{"rendered":"MQ-3 Alcohol Ethanol Sensor Breath Gas Ethanol Detection MQ-3 for Arduino"},"content":{"rendered":"<p>&nbsp;<\/p>\n<h1>MQ-3 Alcohol Ethanol Sensor<\/h1>\n<table>\n<tbody>\n<tr>\n<th>Popis<\/th>\n<td>MQ-3 je senzor plynu ur\u010den\u00fd na detekciu alkoholu a etanolu vo vzduchu. Pou\u017e\u00edva sa na monitorovanie alkoholu v pary a je \u010dasto vyu\u017e\u00edvan\u00fd v projektov, ktor\u00e9 zah\u0155\u0148aj\u00fa alkoholov\u00e9 testery, alarmy a \u010fal\u0161ie aplik\u00e1cie.<\/td>\n<\/tr>\n<tr>\n<th>Vlastnosti<\/th>\n<td>\n<ul>\n<li>R\u00fdchla reakcia<\/li>\n<li>Presn\u00e1 detekcia alkoholu<\/li>\n<li>N\u00edzka spotreba energie<\/li>\n<li>Jednoduch\u00e9 pou\u017eitie<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>\u0160pecifik\u00e1cie<\/th>\n<td>\n<ul>\n<li>Nap\u00e1jacie nap\u00e4tie: 5V DC<\/li>\n<li>V\u00fdstupn\u00fd sign\u00e1l: Analogov\u00fd<\/li>\n<li>Detek\u010dn\u00fd rozsah: 0-1000ppm alkoholu<\/li>\n<li>Prev\u00e1dzkov\u00e1 teplota: -10\u00b0C a\u017e +50\u00b0C<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edklady pou\u017eitia<\/th>\n<td>MQ-3 sa pou\u017e\u00edva pre detekciu alkoholu v r\u00f4znych aplik\u00e1ci\u00e1ch, vr\u00e1tane:<\/p>\n<ul>\n<li>Alkoholov\u00e9 testery<\/li>\n<li>Dom\u00e1ce alarmy<\/li>\n<li>Pohonn\u00e9 syst\u00e9my pre auton\u00f3mne vozidl\u00e1<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre Arduino<\/th>\n<td>\n<pre><code>\/\/ Pr\u00edkladov\u00fd k\u00f3d pre pou\u017eitie MQ-3 s Arduinom\r\nint analogPin = A0; \/\/ pripojenie senzora k anal\u00f3gov\u00e9mu pinu A0\r\nint val = 0; \/\/ premenn\u00e1 pre ukladanie hodnoty z pinu\r\n\r\nvoid setup() {\r\n  Serial.begin(9600); \/\/ inicializ\u00e1cia s\u00e9riovej komunik\u00e1cie\r\n}\r\n\r\nvoid loop() {\r\n  val = analogRead(analogPin); \/\/ \u010d\u00edtanie hodnoty z pinu\r\n  Serial.println(val); \/\/ v\u00fdpis hodnoty na s\u00e9riov\u00fa linku\r\n  delay(1000); \/\/ \u010dakanie 1 sekundu\r\n}<\/code><\/pre>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre ESPHome<\/th>\n<td>\n<pre><code># Pr\u00edkladov\u00fd k\u00f3d pre pou\u017eitie MQ-3 s ESPHome\r\nsensor:\r\n  - platform: adc\r\n    pin: A0\r\n    name: \"MQ-3 Alcohol Sensor\"\r\n    filters:\r\n      - calibrate_linear:\r\n          - 0.0 -&gt; 0.0\r\n          - 1023.0 -&gt; 1000.0\r\n    unit_of_measurement: \"ppm\"<\/code><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><button>Kop\u00edrova\u0165 k\u00f3d<\/button><\/p>\n<p><script>\n  function copyToClipboard() {\n    var code = document.querySelector('code');\n    var range = document.createRange();\n    range.selectNode(code);\n    window.getSelection().addRange(range);<\/p>\n<p>    try {\n      var successful = document.execCommand('copy');\n      var msg = successful ? 'K\u00f3d bol \u00faspe\u0161ne skop\u00edrovan\u00fd!' : 'Kop\u00edrovanie zlyhalo. Sk\u00faste to pros\u00edm znova.';\n      alert(msg);\n    } catch(err) {\n      console.log('Kop\u00edrovanie zlyhalo', err);\n    }<\/p>\n<p>    window.getSelection().removeAllRanges();\n  }\n<\/script><\/p>\n<p>&nbsp;<\/p>\n<h2>MQ-3 Alcohol Ethanol Sensor Detekcia etanolu v dychu MQ-3 pre Arduino Glyduino<\/h2>\n<p>&nbsp;<\/p>\n<p>Detektor alkoholu<br \/>\nStav: Nov\u00e9<br \/>\nVe\u013ekos\u0165: cca. Rozmery 32 x 22 x 27 mm<br \/>\nHlavn\u00fd \u010dip: LM393, detektor plynu ZYMQ-3<br \/>\nPracovn\u00e9 nap\u00e4tie: DC 5V<br \/>\nS pokynmi pre v\u00fdstup sign\u00e1lu<br \/>\nObojsmern\u00fd v\u00fdstup sign\u00e1lu (v\u00fdstup na \u00farovni TTL a anal\u00f3gov\u00fd v\u00fdstup)<br \/>\nV\u00fdstup TTL efekt\u00edvny sign\u00e1l pre n\u00edzku \u00farove\u0148 (ke\u010f svieti v\u00fdstupn\u00fd sign\u00e1l n\u00edzkej \u00farovne, m\u00f4\u017ee by\u0165 priamo pripojen\u00fd mikropo\u010d\u00edta\u010d)<br \/>\nAnal\u00f3gov\u00fd v\u00fdstup 0 ~ 5V nap\u00e4tie, \u010d\u00edm vy\u0161\u0161ia koncentr\u00e1cia, t\u00fdm vy\u0161\u0161ie nap\u00e4tie<br \/>\nM\u00e1 vysok\u00fa citlivos\u0165 a dobr\u00fa selektivitu<br \/>\nM\u00e1 dlh\u00fa \u017eivotnos\u0165 a spo\u013eahliv\u00fa stabilitu<br \/>\nFunkcie obnovy r\u00fdchlej odozvy<br \/>\nPre motorov\u00e9 vozidl\u00e1 a in\u00e9 z\u00e1kazy opit\u00fdch vodi\u010dov testovanie dom\u00e1cich \u00faloh person\u00e1lu na mieste, pou\u017e\u00edvan\u00e9 aj na in\u00fdch miestach detekcie etanolov\u00fdch v\u00fdparov<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/b47b5d3a-700c-498a-866c-768ceeacf4dd.__CR0,0,1940,1200_PT0_SX970_V1___.jpg\" alt=\"2PCS MQ-3 Alcohol Gas Sensor Module, Double-Sided Circuit Board Ethanol Detector Breath Gas Detection Sensor Module, Gas Detectors - Amazon Canada\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1pkitKgHqK1RjSZFkq6x.WFXaL.jpg\" alt=\"3\" width=\"270\" height=\"270\" data-spm-anchor-id=\"a2g0o.detail.1000023.i0.650a32ddJVItia\" \/><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1j.9yKhYaK1RjSZFnq6y80pXaJ.jpg\" alt=\"7\" width=\"270\" height=\"270\" data-spm-anchor-id=\"a2g0o.detail.1000023.i1.650a32ddJVItia\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.ezlopi.com\/wp-content\/uploads\/2023\/09\/mq3-alcohol-sensor-wiring-diagram.webp\" alt=\"MQ3 Alcohol Sensor | Ezlopi Tutorials and Kits\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/preview.redd.it\/x6ysqgv7kiw71.png?width=1125&amp;format=png&amp;auto=webp&amp;s=f3a0259640b77e2507666330472afc3f6801f596\" alt=\"I can't get 18650 battery to power ESP32 : r\/esp32\" \/><img decoding=\"async\" src=\"https:\/\/robocraze.com\/cdn\/shop\/products\/3_02ba4b8f-f247-4059-baf8-1e57765edea6.jpg?v=1672385447&amp;width=1445\" alt=\"Buy MQ 3 Alcohol sensor module Online in India | Robocraze\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; MQ-3 Alcohol Ethanol Sensor Popis MQ-3 je senzor plynu ur\u010den\u00fd na detekciu alkoholu a etanolu vo vzduchu. Pou\u017e\u00edva sa&hellip;<\/p>\n","protected":false},"featured_media":1508,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_cat":[16,76,69],"product_tag":[],"class_list":{"0":"post-1507","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ard","7":"product_cat-gas","8":"product_cat-sensors","10":"first","11":"instock","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MQ-3 Alcohol Ethanol Sensor Breath Gas Ethanol Detection MQ-3 for Arduino - Arduino e-shop<\/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:\/\/www.onetimenexttime.sk\/arduino\/index.php\/produkt\/1507\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MQ-3 Alcohol Ethanol Sensor Breath Gas Ethanol Detection MQ-3 for Arduino - Arduino e-shop\" \/>\n<meta property=\"og:description\" content=\"&nbsp; MQ-3 Alcohol Ethanol Sensor Popis MQ-3 je senzor plynu ur\u010den\u00fd na detekciu alkoholu a etanolu vo vzduchu. 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