{"id":1509,"date":"2021-11-17T09:57:16","date_gmt":"2021-11-17T08:57:16","guid":{"rendered":"https:\/\/www.onetimenexttime.sk\/arduino\/?post_type=product&#038;p=1509"},"modified":"2024-02-22T19:34:36","modified_gmt":"2024-02-22T18:34:36","slug":"mq2-smoke-gas-lpg-butane-hydrogen-gas-sensor-detector-module-for-arduino","status":"publish","type":"product","link":"https:\/\/www.onetimenexttime.sk\/arduino\/index.php\/produkt\/mq2-smoke-gas-lpg-butane-hydrogen-gas-sensor-detector-module-for-arduino\/","title":{"rendered":"MQ-2 Smoke Gas LPG Butane Hydrogen Gas Sensor Detector Module For Arduino"},"content":{"rendered":"<p>&nbsp;<\/p>\n<h1>Informa\u010dn\u00e1 str\u00e1nka o senzore MQ-2<\/h1>\n<table>\n<tbody>\n<tr>\n<th>Popis<\/th>\n<td>Senzor MQ-2 je modul detektora plynu, ktor\u00fd dok\u00e1\u017ee rozpozna\u0165 r\u00f4zne typy plynu, ako s\u00fa dym, plyn LPG, but\u00e1n, vod\u00edk at\u010f.<\/td>\n<\/tr>\n<tr>\n<th>Vlastnosti<\/th>\n<td>\n<ul>\n<li>Detekcia r\u00f4znych typov plynu<\/li>\n<li>\u013dahk\u00e1 integrovate\u013enos\u0165 s Arduino a ESPHome<\/li>\n<li>Vysok\u00e1 citlivos\u0165<\/li>\n<li>N\u00edzka spotreba energie<\/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<\/li>\n<li>Pracovn\u00e1 teplota: -10\u00b0C a\u017e 50\u00b0C<\/li>\n<li>Rozsah detekcie: 300ppm a\u017e 10 000ppm<\/li>\n<li>Rozhranie: Analogov\u00e9 a digit\u00e1lne<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edklady pou\u017eitia<\/th>\n<td>Senzor MQ-2 sa \u010dasto pou\u017e\u00edva na detekciu nebezpe\u010dn\u00fdch plynov vo vn\u00fatri budov, ako aj vo v\u00fdvoji projektov DIY zameran\u00fdch na monitorovanie kvality vzduchu.<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre Arduino<\/th>\n<td class=\"code\">\n<pre>        \/\/ Importovanie kni\u017enice pre senzor MQ-2\r\n        #include &lt;MQ2.h&gt;\r\n        \r\n        \/\/ Defin\u00edcia pinov\r\n        int pinA0 = A0; \/\/ Anal\u00f3gov\u00fd pin\r\n        int pinD2 = 2;  \/\/ Digit\u00e1lny pin\r\n        \r\n        \/\/ Inicializ\u00e1cia senzora\r\n        MQ2 mq2(pinA0, pinD2);\r\n        \r\n        void setup() {\r\n          Serial.begin(9600); \/\/ Inicializ\u00e1cia komunik\u00e1cie s\u00e9riov\u00e9ho portu\r\n        }\r\n        \r\n        void loop() {\r\n          \/\/ \u010c\u00edtanie hodn\u00f4t z senzora\r\n          float ppm = mq2.read();\r\n          \r\n          \/\/ Vyp\u00edsanie hodn\u00f4t na s\u00e9riov\u00fd port\r\n          Serial.print(\"Hodnota plynu (PPM): \");\r\n          Serial.println(ppm);\r\n          \r\n          delay(1000); \/\/ \u010cakanie 1 sekundu\r\n        }\r\n<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre ESPHome<\/th>\n<td class=\"code\">\n<pre>        # Example configuration entry\r\n        sensor:\r\n          - platform: adc\r\n            pin: A0\r\n            id: mq2_analog_input\r\n            name: \"MQ-2 Analog Input\"\r\n            update_interval: 60s\r\n\r\n        # Pridanie senzora pre konkr\u00e9tne plyny\r\n          - platform: template\r\n            name: \"Smoke Density\"\r\n            unit_of_measurement: \"%\"\r\n            accuracy_decimals: 1\r\n            icon: \"mdi:cloud\"\r\n            lambda: |-\r\n              if (id(mq2_analog_input).state &lt; 700) {\r\n                return 0.0;\r\n              } else if (id(mq2_analog_input).state &gt;= 700 &amp;&amp; id(mq2_analog_input).state &lt; 900) {\r\n                return (id(mq2_analog_input).state - 700) \/ (900 - 700) * 100.0;\r\n              } else {\r\n                return 100.0;\r\n              }\r\n\r\n          - platform: template\r\n            name: \"LPG Density\"\r\n            unit_of_measurement: \"%\"\r\n            accuracy_decimals: 1\r\n            icon: \"mdi:gas-cylinder\"\r\n            lambda: |-\r\n              if (id(mq2_analog_input).state &lt; 700) {\r\n                return 0.0;\r\n              } else if (id(mq2_analog_input).state &gt;= 700 &amp;&amp; id(mq2_analog_input).state &lt; 900) {\r\n                return (id(mq2_analog_input).state - 700) \/ (900 - 700) * 100.0;\r\n              } else {\r\n                return 100.0;\r\n              }\r\n\r\n          - platform: template\r\n            name: \"Hydrogen Density\"\r\n            unit_of_measurement: \"%\"\r\n            accuracy_decimals: 1\r\n            icon: \"mdi:gas-cylinder\"\r\n            lambda: |-\r\n              if (id(mq2_analog_input).state &lt; 700) {\r\n                return 0.0;\r\n              } else if (id(mq2_analog_input).state &gt;= 700 &amp;&amp; id(mq2_analog_input).state &lt; 900) {\r\n                return (id(mq2_analog_input).state - 700) \/ (900 - 700) * 100.0;\r\n              } else {\r\n                return 100.0;\r\n              }\r\n<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><button>Skop\u00edrova\u0165 k\u00f3d<\/button><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>MQ2 Smoke Gas LPG But\u00e1nov\u00fd vod\u00edkov\u00fd plynov\u00fd senzorov\u00fd senzorov\u00fd modul pre Arduino<\/h2>\n<p>&nbsp;<\/p>\n<p><strong>Inteligentn\u00e1 elektronika 1ks MQ2 MQ 2 Modul sn\u00edma\u010da skvapalnen\u00e9ho hor\u013eav\u00e9ho met\u00e1nu MQ-2 pre Arduino pre dom\u00e1cich majstrov Starter Kit<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Senzor plynu MQ-2 citliv\u00fd materi\u00e1l pou\u017e\u00edvan\u00fd v \u010distom vzduchu s n\u00edzkou vodivos\u0165ou oxidu c\u00ednu (SnO2). V prostred\u00ed, v ktorom sa nach\u00e1dza sn\u00edma\u010d hor\u013eav\u00fdch plynov, sa zvy\u0161uje vodivos\u0165 sn\u00edma\u010da so zvy\u0161uj\u00facou sa koncentr\u00e1ciou hor\u013eav\u00fdch plynov vo vzduchu. Pomocou jednoduch\u00e9ho obvodu prevedieme zmenu vodivosti koncentr\u00e1cie plynu zodpovedaj\u00facej v\u00fdstupn\u00e9mu sign\u00e1lu. Ve\u013emi dobr\u00fd je aj senzor plynu MQ-2 s vysokou citlivos\u0165ou na plyn, prop\u00e1n, vod\u00edk detekcie zemn\u00e9ho plynu a in\u00fdch hor\u013eav\u00fdch p\u00e1r. Tento senzor dok\u00e1\u017ee detekova\u0165 r\u00f4zne hor\u013eav\u00e9 plyny, je to n\u00edzkon\u00e1kladov\u00fd senzor pre r\u00f4zne aplik\u00e1cie.<\/p>\n<p>Plyn je mo\u017en\u00e9 pou\u017ei\u0165 v dom\u00e1cnostiach a tov\u00e1r\u0148ach Zariadenie na monitorovanie \u00faniku vhodn\u00e9 na detekciu plynu, but\u00e1nu, prop\u00e1nu, met\u00e1nu, dymu at\u010f.<\/p>\n<p>&nbsp;<\/p>\n<p>Pou\u017eitie vysokokvalitn\u00e9ho dvojpanelov\u00e9ho dizajnu s indik\u00e1torom nap\u00e1jania a pokynmi na v\u00fdstup sign\u00e1lu TTL;<br \/>\nSp\u00ednac\u00ed sign\u00e1l s v\u00fdstupom DO (TTL) a anal\u00f3gov\u00fdm v\u00fdstupom AO ;<br \/>\nPlatn\u00fd sign\u00e1l v\u00fdstupu TTL je n\u00edzky. (N\u00edzko\u00farov\u0148ov\u00fd sign\u00e1l, ke\u010f je mo\u017en\u00e9 v\u00fdstupn\u00e9 svetlo priamo pripoji\u0165 k mikrokontrol\u00e9ru alebo rel\u00e9ov\u00e9mu modulu)<br \/>\nAnal\u00f3gov\u00e9 v\u00fdstupn\u00e9 nap\u00e4tie s vy\u0161\u0161ou koncentr\u00e1ciou vy\u0161\u0161ieho nap\u00e4tia.<br \/>\nLep\u0161ia citlivos\u0165 na plyn, zemn\u00fd plyn, mestsk\u00fd plyn, dym.<br \/>\nK dispoz\u00edcii s\u00fa \u0161tyri otvory pre skrutky pre \u013eahk\u00e9 umiestnenie;<br \/>\nM\u00e1 dlh\u00fa \u017eivotnos\u0165 a spo\u013eahliv\u00fa stabilitu<br \/>\nR\u00fdchla reakcia a charakteristika zotavenia<br \/>\nVstupn\u00e9 nap\u00e4tie: DC5V Spotreba energie (pr\u00fad): 150mA<br \/>\nDO v\u00fdstup: TTL digit\u00e1lny 0 a 1 (0,1 a 5V)<br \/>\nAO v\u00fdstup: 0,1-0,3 V (vzh\u013eadom na zne\u010distenie), maxim\u00e1lna koncentr\u00e1cia nap\u00e4tia cca 4V<br \/>\n\u0160peci\u00e1lna pozn\u00e1mka: Po nap\u00e1jan\u00ed sn\u00edma\u010da sa mus\u00ed zahria\u0165 okolo 20 S, nameran\u00e9 \u00fadaje boli stabiln\u00e9, tepeln\u00fd sn\u00edma\u010d je norm\u00e1lny jav, preto\u017ee vn\u00fatorn\u00fd vykurovac\u00ed dr\u00f4t, ak je hor\u00faci, nie je norm\u00e1lny.<\/p>\n<p>VCC: kladn\u00e9 nap\u00e1janie (5V)<br \/>\nGND: nap\u00e1janie je z\u00e1porn\u00e9<br \/>\nDO: V\u00fdstup sp\u00ednacieho sign\u00e1lu TTL<br \/>\nAO: v\u00fdstup anal\u00f3gov\u00e9ho sign\u00e1lu<\/p>\n<p>&nbsp;<\/p>\n<p>\/*******<\/p>\n<p>All the resources for this project:<br \/>\nhttps:\/\/www.hackster.io\/Aritro<\/p>\n<p>*******\/<\/p>\n<p>int redLed = 12;<br \/>\nint greenLed = 11;<br \/>\nint buzzer = 10;<br \/>\nint smokeA0 = A5;<br \/>\n\/\/ Your threshold value<br \/>\nint sensorThres = 600;<\/p>\n<p>void setup() {<br \/>\npinMode(redLed, OUTPUT);<br \/>\npinMode(greenLed, OUTPUT);<br \/>\npinMode(buzzer, OUTPUT);<br \/>\npinMode(smokeA0, INPUT);<br \/>\nSerial.begin(9600);<br \/>\n}<\/p>\n<p>void loop() {<br \/>\nint analogSensor = analogRead(smokeA0);<\/p>\n<p>Serial.print(&#8220;Pin A0: &#8220;);<br \/>\nSerial.println(analogSensor);<br \/>\n\/\/ Checks if it has reached the threshold value<br \/>\nif (analogSensor &gt; sensorThres)<br \/>\n{<br \/>\ndigitalWrite(redLed, HIGH);<br \/>\ndigitalWrite(greenLed, LOW);<br \/>\ntone(buzzer, 1000, 200);<br \/>\n}<br \/>\nelse<br \/>\n{<br \/>\ndigitalWrite(redLed, LOW);<br \/>\ndigitalWrite(greenLed, HIGH);<br \/>\nnoTone(buzzer);<br \/>\n}<br \/>\ndelay(100);<br \/>\n}<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/hacksterio.s3.amazonaws.com\/uploads\/image_file\/file\/149152\/circuit-1.png\" alt=\"Circuit 1\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Informa\u010dn\u00e1 str\u00e1nka o senzore MQ-2 Popis Senzor MQ-2 je modul detektora plynu, ktor\u00fd dok\u00e1\u017ee rozpozna\u0165 r\u00f4zne typy plynu, ako&hellip;<\/p>\n","protected":false},"featured_media":1510,"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-1509","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-2 Smoke Gas LPG Butane Hydrogen Gas Sensor Detector Module 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\/mq2-smoke-gas-lpg-butane-hydrogen-gas-sensor-detector-module-for-arduino\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MQ-2 Smoke Gas LPG Butane Hydrogen Gas Sensor Detector Module For Arduino - Arduino e-shop\" \/>\n<meta property=\"og:description\" content=\"&nbsp; 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