{"id":67937,"date":"2023-12-06T14:00:32","date_gmt":"2023-12-06T13:00:32","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/?p=67937"},"modified":"2026-04-08T11:02:41","modified_gmt":"2026-04-08T09:02:41","slug":"im3914-co-to-jest-dane-techniczne-cena-i-opinie","status":"publish","type":"post","link":"https:\/\/botland.com.pl\/blog\/im3914-co-to-jest-dane-techniczne-cena-i-opinie\/","title":{"rendered":"IM3914 &#8211; Co to jest? Dane techniczne, cena i opinie"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Czas czytania:<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"67937\" class=\"elementor elementor-67937\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-24da1d9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"24da1d9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-baa97af\" data-id=\"baa97af\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f13a621 elementor-widget elementor-widget-text-editor\" data-id=\"f13a621\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>IM3914<\/strong> to elektroniczny (monolityczny) <a href=\"https:\/\/botland.com.pl\/blog\/uklad-scalony-co-to-jest-i-jak-dziala\/\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>uk\u0142ad scalony<\/strong><\/a> umo\u017cliwiaj\u0105cy sterowanie <strong>diodami LED<\/strong> zamkni\u0119ty w obudowie <strong>DIP18.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-99640bd elementor-widget elementor-widget-heading\" data-id=\"99640bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">IM3914 - co to jest?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8cd284f elementor-widget elementor-widget-text-editor\" data-id=\"8cd284f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: bolder;\">IM3914<\/span>\u00a0to\u00a0<a style=\"background-color: #ffffff;\" href=\"https:\/\/botland.com.pl\/21-uklady-scalone\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><span style=\"font-weight: bolder;\">uk\u0142ad scalony<\/span><\/a>\u00a0umo\u017cliwiaj\u0105cy sterowanie\u00a0<a style=\"background-color: #ffffff;\" href=\"https:\/\/botland.com.pl\/870-diody-led\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><span style=\"font-weight: bolder;\">diodami LED<\/span><\/a>\u00a0i pod\u0142\u0105czonymi\u00a0<a style=\"background-color: #ffffff;\" href=\"https:\/\/botland.com.pl\/392-wyswietlacze-alfanumeryczne-i-graficzne\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><span style=\"font-weight: bolder;\">wy\u015bwietlaczami LCD<\/span><\/a>. Kolejnym zastosowaniem jest\u00a0<span style=\"font-weight: bolder;\">sterowanie pr\u00f3\u017cniowymi wy\u015bwietlaczami fluorescencyjnymi<\/span>. Oznacza to mo\u017cliwo\u015b\u0107 wykorzystania uk\u0142adu monolitycznego\u00a0<span style=\"font-weight: bolder;\">IM3914<\/span>\u00a0do cz\u0119sto wykorzystywanego\u00a0<span style=\"font-weight: bolder;\">miernika VU<\/span>. Wy\u015bwietlanie mo\u017ce odbywa\u0107 si\u0119 zar\u00f3wno w trybie s\u0142upkowym, jak i kropkowym. Uk\u0142ad monolityczny pozwala na rozbudowanie r\u00f3\u017cnego rodzaju\u00a0<span style=\"font-weight: bolder;\">wy\u015bwietlaczy LCD.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e5632ce elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e5632ce\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a5a2808\" data-id=\"a5a2808\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9253ab9 elementor-widget elementor-widget-text-editor\" data-id=\"9253ab9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-size: 1rem;\">Prezentowany uk\u0142ad monolityczny jest wyposa\u017cony w<\/span><strong style=\"font-size: 1rem;\"> 10 wyprowadze\u0144<\/strong><span style=\"font-size: 1rem;\"> umo\u017cliwiaj\u0105cych pod\u0142\u0105czenie <\/span><strong style=\"font-size: 1rem;\">10 diod LED.<\/strong><span style=\"font-size: 1rem;\"> Jeden z pin\u00f3w jest przeznaczony do zmiany na wy\u015bwietlaczu z ruchomej kropki na standardowy wykres s\u0142upkowy.\u00a0<\/span><\/p><p><span style=\"font-size: 1rem;\">Pr\u0105d doprowadzony do energooszcz\u0119dnych diod LED jest w pe\u0142ni regulowany i programowalny. W praktyce oznacza to brak konieczno\u015bci wykorzystywania rezystor\u00f3w. Uk\u0142ad scalony IM3914 pozwala na prac\u0119 ca\u0142ego systemu <\/span><strong style=\"font-size: 1rem;\">przy bardzo niskim napi\u0119ciu<\/strong><span style=\"font-size: 1rem;\"> (mniejszym ni\u017c 3V).<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-eea1193\" data-id=\"eea1193\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-87f45f6 elementor-widget elementor-widget-image\" data-id=\"87f45f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"549\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/12\/ukladscalony.jpg\" class=\"attachment-large size-large wp-image-73707\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/12\/ukladscalony.jpg 991w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/12\/ukladscalony-300x206.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/12\/ukladscalony-768x527.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-4223405 elementor-widget elementor-widget-spacer\" data-id=\"4223405\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-92c0919 elementor-widget elementor-widget-heading\" data-id=\"92c0919\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sterowniki LED - co warto o nich wiedzie\u0107?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0342954 elementor-widget elementor-widget-text-editor\" data-id=\"0342954\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/botland.com.pl\/710-sterowniki-do-tasm-i-paskow-led\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>Sterowniki<\/strong> <\/a>przeznaczone do zarz\u0105dzania prac\u0105, m.in. <strong>diod elektroluminescencyjnych (LED)<\/strong>, umo\u017cliwiaj\u0105 nie tylko w\u0142\u0105czanie, ale r\u00f3wnie\u017c wy\u0142\u0105czanie i sterowanie jasno\u015bci\u0105. W przypadku diod LED RGB istnieje r\u00f3wnie\u017c tak\u017ce mo\u017cliwo\u015b\u0107 sterowania kolorami. Dzi\u0119ki sterownikom mo\u017cna budowa\u0107 praktycznie dowolne sceny o\u015bwietleniowe wewn\u0105trz budynk\u00f3w.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-59c951b elementor-widget elementor-widget-heading\" data-id=\"59c951b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">IM3914 - dane techniczne<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-27bd2c8 elementor-widget elementor-widget-text-editor\" data-id=\"27bd2c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Uk\u0142ad scalony IM3914<\/strong> charakteryzuje si\u0119 wewn\u0119trznym napi\u0119ciem odniesienia zawieraj\u0105cym si\u0119 w przedziale <strong>od 1,2 V do 12 V<\/strong>. Wej\u015bcia uk\u0142adu dzia\u0142aj\u0105 a\u017c do masy. Z kolei nat\u0119\u017cenie pr\u0105du kszta\u0142tuje si\u0119 w zakresie <strong>od 2 mA do 30 mA<\/strong>. Wej\u015bcia uk\u0142adu scalonego IM3914 s\u0105 zaprojektowane w taki spos\u00f3b, aby wytrzyma\u0107 napi\u0119cie<strong> \u00b135 V<\/strong> bez uszkodzenia.<\/p><p>Sterownik LED, a dok\u0142adniej jego wyj\u015bcie, mo\u017cna regulowa\u0107 pr\u0105dowo. Ponadto charakteryzuj\u0105 si\u0119 otwartymi kolektorami. Opisywany uk\u0142ad jest wyposa\u017cony we wbudowany dzielnik (10-stopniowy). Wszystkie wyj\u015bcia s\u0105 kompatybilne zar\u00f3wno z <strong>CMOS<\/strong>, jak i <strong>TTL<\/strong>. Uk\u0142ad scalony IM3914 jest wyposa\u017cony w ograniczon\u0105 ochron\u0119 zabezpieczaj\u0105c\u0105 przed skutkami wy\u0142adowa\u0144 elektrostatycznych <strong>ESD<\/strong> (z ang. Electrostatic Discharge). W przypadku konieczno\u015bci przechowywania uk\u0142adu monolitycznego IM3914 nale\u017cy wykorzysta\u0107 do tego celu piank\u0119 przewodz\u0105c\u0105. Takie rozwi\u0105zanie zabezpiecza m.in. bramki MOS przed uszkodzeniem. Uk\u0142ad dodatkowo nale\u017cy zabezpieczy\u0107 w trakcie transportowania i przenoszenia. Podczas monta\u017cu zaleca si\u0119 u\u017cywanie <a href=\"https:\/\/botland.com.pl\/1355-maty-do-lutowania\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>mat ESD<\/strong><\/a>, <a href=\"https:\/\/botland.com.pl\/rekawiczki\/4236-rekawiczki-antystatyczne-esd-nakrapiane-rozmiar-l-5904422356750.html\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>r\u0119kawiczek ESD<\/strong><\/a> i <a href=\"https:\/\/botland.com.pl\/pesety\/22013-zestaw-peset-antystatycznych-esd-6szt-5907621822514.html\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>p\u0119set ESD.<\/strong><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4eeac74 elementor-widget elementor-widget-heading\" data-id=\"4eeac74\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pozosta\u0142e parametry techniczne<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b14d7f elementor-widget elementor-widget-text-editor\" data-id=\"3b14d7f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Rozproszenie mocy uk\u0142adu IM3914 kszta\u0142tuje si\u0119 na poziomie <strong>1365 mW<\/strong>. Z kolei zakres temperatury roboczej zawiera si\u0119 w przedziale <strong>od -55\u2103 do +150\u2103.<\/strong> Maksymalne napi\u0119cie zasilania wynosi<strong> 25 V.<\/strong> Napi\u0119cie na sterownikach wyj\u015bciowych jest r\u00f3wne <strong>25 V<\/strong>. Z kolei przepi\u0119cie sygna\u0142u wej\u015bciowego wynosi<strong> \u00b135V.<\/strong> Kolejnym parametrem technicznym jest pr\u0105d obci\u0105\u017cenia odniesienia, kt\u00f3ry wynosi <strong>10 mA.<\/strong> W trakcie lutowania, producent uk\u0142adu nie zaleca przekraczania temperatury <strong>260\u2103.<\/strong> Maksymalny czas lutowania nie powinien by\u0107 d\u0142u\u017cszy ni\u017c <strong>10 sekund<\/strong>. W przeciwnym wypadku istnieje ryzyko uszkodzenia uk\u0142adu monolitycznego.<\/p><p>Uk\u0142ad scalony IM3914 jest przeznaczony do monta\u017cu przewlekanego<strong> THT<\/strong> (z ang. Through-Hole Technology), dzi\u0119ki czemu znajduje w projektowaniu amatorskim DIY. Do lutowania wystarczy standardowa <a href=\"https:\/\/botland.com.pl\/229-lutownice-kolbowe\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>lutownica<\/strong><\/a>, <a href=\"https:\/\/botland.com.pl\/54-plytki-uniwersalne\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>p\u0142ytka drukowana PCB<\/strong><\/a> i <a href=\"https:\/\/botland.com.pl\/46-lutowanie\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>akcesoria do lutowania<\/strong><\/a>. Monta\u017c przewlekany polega na prze\u0142o\u017ceniu wyprowadze\u0144 (drucianych n\u00f3\u017cek) na drug\u0105 stron\u0119 p\u0142ytki PCB i przylutowaniu ich do p\u00f3l lutowniczych. Pola gwarantuj\u0105 szybki i \u0142atwy monta\u017c n\u00f3\u017cek. Wszystkie pola \u0142\u0105cz\u0105 si\u0119 ze \u015bcie\u017ckami przewodz\u0105cymi. Ostatnim etapem jest odci\u0119cie nadmiarowych wyprowadze\u0144.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50d336c elementor-widget elementor-widget-heading\" data-id=\"50d336c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">IM3914 - opinie<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d38b3c elementor-widget elementor-widget-text-editor\" data-id=\"9d38b3c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Uk\u0142ad scalony IM3914<\/strong> cieszy si\u0119 pozytywnymi opiniami w\u015br\u00f3d pocz\u0105tkuj\u0105cych i do\u015bwiadczonych elektronik\u00f3w oraz domowych majsterkowicz\u00f3w, m.in. ze wzgl\u0119du na<strong> uniwersalne u\u017cytkowanie.<\/strong> Jeden uk\u0142ad mo\u017ce by\u0107 wykorzystywany do sterowania diodami LED, wy\u015bwietlaczami LCD albo \u015bwietl\u00f3wkami pr\u00f3\u017cniowymi.<\/p><p>Kolejnymi powodami, dla kt\u00f3rych opisywany uk\u0142ad scalony ma dobre opinie w\u015br\u00f3d u\u017cytkownik\u00f3w s\u0105 <strong>szeroki zakres temperatury roboczej oraz stabilne i niezawodne dzia\u0142anie.<\/strong> Ponadto IM3914 wyr\u00f3\u017cnia si\u0119 \u0142atwym monta\u017cem i ograniczon\u0105 liczb\u0105 dodatkowych podzespo\u0142\u00f3w, niezb\u0119dnych do wykonania kompletnego sterownika diod LED lub wy\u015bwietlaczy LCD.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60768d5 elementor-widget elementor-widget-heading\" data-id=\"60768d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">IM3914 - cena<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe91733 elementor-widget elementor-widget-text-editor\" data-id=\"fe91733\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Cena uk\u0142adu scalonego IM3914 jest uzale\u017cniona od konkretnego sprzedawcy, liczby zam\u00f3wionych podzespo\u0142\u00f3w elektronicznych oraz dodatkowych koszt\u00f3w wysy\u0142ki. W przypadku zam\u00f3wienia tylko jednego uk\u0142adu IM3914 nale\u017cy liczy\u0107 si\u0119 z kosztem <strong>oko\u0142o 10 z\u0142otych.<\/strong><\/p><p>Ponosz\u0105c stosunkowo niskie koszty, u\u017cytkownik otrzymuje uniwersalny i sprawdzony uk\u0142ad scalony, kt\u00f3ry doskonale nadaje si\u0119 do budowania prostego sterownika diod LED lub wy\u015bwietlaczy LCD. Uk\u0142ad \u015bwietnie sprawdza si\u0119 do o\u015bwietleniowych projekt\u00f3w DIY.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>IM3914 to elektroniczny (monolityczny) uk\u0142ad scalony umo\u017cliwiaj\u0105cy sterowanie diodami LED zamkni\u0119ty w obudowie DIP18.<\/p>\n","protected":false},"author":22,"featured_media":73711,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,179],"tags":[],"class_list":["post-67937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika","category-kompendium"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>IM3914 - Co to jest? 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