{"id":1543,"date":"2021-11-17T15:02:32","date_gmt":"2021-11-17T14:02:32","guid":{"rendered":"https:\/\/www.onetimenexttime.sk\/arduino\/?post_type=product&#038;p=1543"},"modified":"2021-11-17T15:07:09","modified_gmt":"2021-11-17T14:07:09","slug":"ky-025-4pin-betr-magnetic-dry-reed-pipe-switch-magnetron-sensor-module-ky-25","status":"publish","type":"product","link":"https:\/\/www.onetimenexttime.sk\/arduino\/index.php\/produkt\/ky-025-4pin-betr-magnetic-dry-reed-pipe-switch-magnetron-sensor-module-ky-25\/","title":{"rendered":"KY-025 4pin BETR Magnetic Dry Reed Pipe Switch Magnetron Sensor Module  KY-25"},"content":{"rendered":"<h2>KY-025 4kol\u00edkov\u00fd magnetick\u00fd such\u00fd jaz\u00fd\u010dkov\u00fd sp\u00edna\u010d BETR Modul magnetr\u00f3nov\u00e9ho sn\u00edma\u010da\u00a0 \u00a0KY-25<\/h2>\n<p>&nbsp;<\/p>\n<p>popis produktu:<br \/>\nTento modul je mo\u017en\u00e9 pou\u017ei\u0165 v programovo riaden\u00fdch sp\u00edna\u010doch, kop\u00edrkach, pr\u00e1\u010dkach, chladni\u010dk\u00e1ch, fotoapar\u00e1toch, dezinfek\u010dn\u00fdch skriniach, dverov\u00fdch, okenn\u00fdch magnetick\u00fdch, elektromagnetick\u00fdch rel\u00e9, elektronickom v\u00e1\u017een\u00ed, hladinomere, plynomere, vodomere a pod.<\/p>\n<p>Predstavenie v\u00fdrobku:<br \/>\n1, \u010dist\u00e1, dobr\u00e1 schopnos\u0165 riadi\u0165 priebeh, viac ako 15 mA.<\/p>\n<p>2, pracovn\u00e9 nap\u00e4tie 3,3V-5V<\/p>\n<p>3, v\u00fdstupn\u00fd form\u00e1t: digit\u00e1lny sp\u00ednac\u00ed v\u00fdstup (0 a 1)<\/p>\n<p>4, pevn\u00e9 otvory pre skrutky pre jednoduch\u00fa in\u0161tal\u00e1ciu<\/p>\n<p>5, ve\u013ekos\u0165 dosky plo\u0161n\u00fdch spojov: 3,2 cm x 1,4 c<\/p>\n<p>\u200b6, s pou\u017eit\u00edm \u0161irok\u00e9ho nap\u00e4tia LM393<\/p>\n<p>&nbsp;<\/p>\n<p><span>Ak sa zist\u00ed magnetick\u00e9 pole, vy\u0161le sa na digit\u00e1lny v\u00fdstup.\u00a0<\/span><span>Jaz\u00fd\u010dkov\u00e9 kontakty maj\u00fa t\u00fa vlastnos\u0165, \u017ee ich dve tenk\u00e9 kontaktn\u00e9 pru\u017einy, ktor\u00e9 s\u00fa umiestnen\u00e9 vo vn\u00fatri sklenenej trubice, sa pohybuj\u00fa k sebe, ak je v bl\u00edzkosti magnetick\u00e9 pole.<\/span><\/p>\n<p><span>T\u00fdm sa zatvor\u00ed elektrick\u00fd kontakt, ktor\u00fd n\u00e1sledne prepne sign\u00e1l.<\/span><\/p>\n<p><strong><span>Digit\u00e1lny v\u00fdstup:<\/span><\/strong><span>\u00a0Ak sa zist\u00ed magnetick\u00e9 pole, vy\u0161le sa tu sign\u00e1l<\/span><\/p>\n<p><strong><span>Anal\u00f3gov\u00fd v\u00fdstup:<\/span><\/strong><span>\u00a0Priama nameran\u00e1 hodnota z jednotky sn\u00edma\u010da<\/span><\/p>\n<p><strong><span>LED1:<\/span><\/strong><span>\u00a0Indikuje, \u017ee sn\u00edma\u010d je nap\u00e1jan\u00fd nap\u00e4t\u00edm<\/span><\/p>\n<p><strong><span>LED2:<\/span><\/strong><span>\u00a0Indikuje, \u017ee bolo zisten\u00e9 magnetick\u00e9 pole<\/span><\/p>\n<h3><span>AKO FUNGUJE SENZOR<\/span><\/h3>\n<p><span>Tento sn\u00edma\u010d m\u00e1 na doske s plo\u0161n\u00fdmi spojmi tri funk\u010dn\u00e9 komponenty.\u00a0Toto je senzorov\u00e1 jednotka na prednej strane modulu, ktor\u00e1 fyzicky meria aktu\u00e1lne prostredie a vysiela ho ako anal\u00f3gov\u00fd sign\u00e1l do druhej jednotky, zosil\u0148ova\u010da.\u00a0Toto zosil\u0148uje sign\u00e1l v z\u00e1vislosti od odporu nastaven\u00e9ho na oto\u010dnom potenciometri a smeruje ho na anal\u00f3gov\u00fd v\u00fdstup modulu.<\/span><\/p>\n<p><strong><span>Pozn\u00e1mka:<\/span><\/strong><span>\u00a0Sign\u00e1l je invertovan\u00fd;\u00a0Ak je nameran\u00e1 vysok\u00e1 hodnota, v\u00fdsledkom je ni\u017e\u0161ia hodnota nap\u00e4tia na anal\u00f3govom v\u00fdstupe.<\/span><\/p>\n<p><span>Tre\u0165ou jednotkou je kompar\u00e1tor, ktor\u00fd pri poklese sign\u00e1lu pod ur\u010dit\u00fa hodnotu sp\u00edna digit\u00e1lny v\u00fdstup a LED.\u00a0Pomocou oto\u010dn\u00e9ho potenciometra je mo\u017en\u00e9 nastavi\u0165 citlivos\u0165, ako je zn\u00e1zornen\u00e9 na nasleduj\u00facom obr\u00e1zku:<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/sensorkit.joy-it.net\/files\/files\/sensors\/KY-024\/400px-sens-poti-EN.png\" width=\"500\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span>ento sn\u00edma\u010d neud\u00e1va absol\u00fatne hodnoty (napr. presne nameran\u00fa teplotu v \u00b0C alebo intenzitu magnetick\u00e9ho po\u013ea v mT), ale ide o relat\u00edvne meranie: Definuje sa hrani\u010dn\u00e1 hodnota vzh\u013eadom na dan\u00fa norm\u00e1lnu situ\u00e1ciu prostredia a vyd\u00e1 sa sign\u00e1l, ktor\u00fd m\u00f4\u017ee by\u0165 \u010falej spracovan\u00e9, ak d\u00f4jde k prekro\u010deniu tejto limitnej hodnoty alebo ak nastane in\u00fd ako be\u017en\u00fd pr\u00edpad.<\/span><\/p>\n<p><span>Toto spr\u00e1vanie je vynikaj\u00face pre monitorovanie teploty (\u00a0<\/span><a href=\"https:\/\/markdown.joy-it.net\/sensors\/ky-028\" target=\"_blank\" rel=\"noopener\"><span>KY-028<\/span><\/a><span>\u00a0), bezdotykov\u00e9 sp\u00edna\u010de (\u00a0<\/span><a href=\"https:\/\/markdown.joy-it.net\/sensors\/ky-024\" target=\"_blank\" rel=\"noopener\"><span>KY-024<\/span><\/a><span>\u00a0,\u00a0<\/span><a href=\"https:\/\/markdown.joy-it.net\/sensors\/ky-025\" target=\"_blank\" rel=\"noopener\"><span>KY-025<\/span><\/a><span>\u00a0,\u00a0<\/span><a href=\"https:\/\/markdown.%20joy-it.net\/sensors\/ky-036\" target=\"_blank\" rel=\"noopener\"><span>KY-036<\/span><\/a><span>\u00a0), alarmov\u00e9 monitory (\u00a0<\/span><a href=\"https:\/\/markdown.joy-it.net\/sensors\/ky-037\" target=\"_blank\" rel=\"noopener\"><span>KY-037<\/span><\/a><span>\u00a0,\u00a0<\/span><a href=\"https:\/\/markdown.joy-it.net\/sensors\/ky-038\" target=\"_blank\" rel=\"noopener\"><span>KY-038<\/span><\/a><span>\u00a0) alebo k\u00f3dova\u010de (\u00a0<\/span><a href=\"https:\/\/markdown.joy-it.net\/sensors\/ky-026\" target=\"_blank\" rel=\"noopener\"><span>KY-026<\/span><\/a><span>\u00a0).<\/span><\/p>\n<h3><span>PRIRADENIE \u0160PENDL\u00cdKA<\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/sensorkit.joy-it.net\/files\/files\/sensors\/KY-025\/KY-025.svg\" width=\"150\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><span>PR\u00cdKLAD K\u00d3DU ARDUINO<\/span><\/h2>\n<h3><span>PRIRADENIE PINOV ARDUINO<\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/sensorkit.joy-it.net\/files\/files\/sensors\/KY-025\/025-ARD.svg\" width=\"425\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"language-cpp line-numbers\" tabindex=\"0\"><code class=\"language-cpp\"><span class=\"token comment\">\/\/ Declaration and initialization of the input pins<\/span>\r\n<span class=\"token keyword\">int<\/span> Analog_Input <span class=\"token operator\">=<\/span> A0<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Analog output of the sensor<\/span>\r\n<span class=\"token keyword\">int<\/span> Digital_Input <span class=\"token operator\">=<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Digital output of the sensor<\/span>\r\n  \r\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">setup<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token function\">pinMode<\/span> <span class=\"token punctuation\">(<\/span>Analog_Input<span class=\"token punctuation\">,<\/span> INPUT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token function\">pinMode<\/span> <span class=\"token punctuation\">(<\/span>Digital_Input<span class=\"token punctuation\">,<\/span> INPUT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n       \r\n  Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">9600<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Serial output with 9600 bps<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n  \r\n<span class=\"token comment\">\/\/ The program reads the current values of the input pins<\/span>\r\n<span class=\"token comment\">\/\/ and outputs them on the serial output<\/span>\r\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">loop<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token keyword\">float<\/span> Analog<span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token keyword\">int<\/span> Digital<span class=\"token punctuation\">;<\/span>\r\n    \r\n  <span class=\"token comment\">\/\/Actual values are read, converted to the voltage value....<\/span>\r\n  Analog <span class=\"token operator\">=<\/span> <span class=\"token function\">analogRead<\/span> <span class=\"token punctuation\">(<\/span>Analog_Input<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">5.0<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">1023.0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> \r\n  Digital <span class=\"token operator\">=<\/span> <span class=\"token function\">digitalRead<\/span> <span class=\"token punctuation\">(<\/span>Digital_Input<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    \r\n  <span class=\"token comment\">\/\/... and output at this position<\/span>\r\n  Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">print<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Analog voltage value:\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">print<\/span> <span class=\"token punctuation\">(<\/span>Analog<span class=\"token punctuation\">,<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">print<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">\"V, \"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">print<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Limit value:\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  \r\n  <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>Digital<span class=\"token operator\">==<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span>\r\n  <span class=\"token punctuation\">{<\/span>\r\n      Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">\" reached\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span>\r\n  <span class=\"token keyword\">else<\/span>\r\n  <span class=\"token punctuation\">{<\/span>\r\n      Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">\" not yet reached\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span>\r\n  Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">\"----------------------------------------------------------------\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token function\">delay<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>KY-025 4kol\u00edkov\u00fd magnetick\u00fd such\u00fd jaz\u00fd\u010dkov\u00fd sp\u00edna\u010d BETR Modul magnetr\u00f3nov\u00e9ho sn\u00edma\u010da\u00a0 \u00a0KY-25 &nbsp; popis produktu: Tento modul je mo\u017en\u00e9 pou\u017ei\u0165 v&hellip;<\/p>\n","protected":false},"featured_media":1544,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_cat":[16,78,69],"product_tag":[],"class_list":{"0":"post-1543","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ard","7":"product_cat-magnet","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>KY-025 4pin BETR Magnetic Dry Reed Pipe Switch Magnetron Sensor Module KY-25 - 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\" 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