{"id":33780,"date":"2023-03-28T06:18:56","date_gmt":"2023-03-28T04:18:56","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/?p=33780"},"modified":"2023-07-07T14:06:53","modified_gmt":"2023-07-07T12:06:53","slug":"jak-zrobic-kalkulator-na-arduino","status":"publish","type":"post","link":"https:\/\/botland.com.pl\/blog\/jak-zrobic-kalkulator-na-arduino\/","title":{"rendered":"Jak zrobi\u0107 kalkulator na arduino"},"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\"> 2<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"33780\" class=\"elementor elementor-33780\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f438fba elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f438fba\" 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-b9aaeb2\" data-id=\"b9aaeb2\" 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-5a71d62 elementor-widget elementor-widget-text-editor\" data-id=\"5a71d62\" 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>Arduino to modu\u0142 z mikrokontrolerem o bardzo szerokim spektrum mo\u017cliwo\u015bci &#8211; samodzielna realizacja prostego projektu to znakomita nauka. Dowiedz si\u0119 jak zbudowa\u0107 kalkulator!<\/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-cb87848 elementor-widget elementor-widget-heading\" data-id=\"cb87848\" 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\">Dlaczego warto samodzielnie zbudowa\u0107 kalkulator?<\/h2>\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-4842960 elementor-section-full_width elementor-section-content-middle elementor-section-height-default elementor-section-height-default\" data-id=\"4842960\" 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-95fc46f\" data-id=\"95fc46f\" 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-1213095 elementor-widget elementor-widget-text-editor\" data-id=\"1213095\" 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=\"\/234-arduino\" target=\"_blank\" style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); background-color: rgb(255, 255, 255); font-size: 1rem;\" data-wpel-link=\"internal\">Arduino<\/a>&nbsp;to urz\u0105dzenie, kt\u00f3re do\u015bwiadczony elektronik jest w stanie wykorzysta\u0107 do bardzo wielu zastosowa\u0144. Sprawdza si\u0119 zar\u00f3wno w powa\u017cnych projektach komercyjnych, dzi\u0119ki niemu uruchamiane s\u0105 stare gry z konsol, sprawdzaj\u0105 si\u0119 jako uk\u0142ady logiczne w systemach inteligentnych budynk\u00f3w i doskonale nadaj\u0105 si\u0119 do nauki dla pocz\u0105tkuj\u0105cych elektronik\u00f3w i programist\u00f3w. Sprawd\u017a w jaki spos\u00f3b samodzielnie zbudowa\u0107 w\u0142asn\u0105 wersj\u0119 kalkulatora. Zar\u00f3wno sprz\u0119towo, jak i programowo projekt nie jest skomplikowany, ale wykonanie go samodzielnie to milowy krok w nauce programowania oraz elektroniki mikroprocesorowej.<\/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-793e37f\" data-id=\"793e37f\" 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-e0759d9 elementor-widget elementor-widget-image\" data-id=\"e0759d9\" 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\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/01\/01060_19_kwadrata.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"01060_19_kwadrata\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDM5NjYsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmNvbS5wbFwvYmxvZ1wvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyM1wvMDFcLzAxMDYwXzE5X2t3YWRyYXRhLmpwZyJ9\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"715\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/01\/01060_19_kwadrata-1024x915.jpg\" class=\"attachment-large size-large wp-image-43966\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/01\/01060_19_kwadrata-1024x915.jpg 1024w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/01\/01060_19_kwadrata-300x268.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/01\/01060_19_kwadrata-768x686.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/01\/01060_19_kwadrata.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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-ba9df87 elementor-widget elementor-widget-text-editor\" data-id=\"ba9df87\" 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<div id=\"blog_carousel\"><\/div>\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-9eb2756 elementor-widget elementor-widget-heading\" data-id=\"9eb2756\" 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\">Czego potrzebujesz aby zbudowa\u0107 kalkulator Arduino?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-285afa7 elementor-widget elementor-widget-text-editor\" data-id=\"285afa7\" 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>Przed rozpocz\u0119ciem pracy warto zgromadzi\u0107 wszelkie narz\u0119dzia i elementy sk\u0142adowe, aby praca przebiega\u0142a bezproblemowo. Postaw\u0105 ca\u0142ego projektu jest oczywi\u015bcie\u00a0<a href=\"\/283-arduino-moduly-glowne\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">p\u0142ytka Arduino<\/a>\u00a0&#8211; mo\u017ce to by\u0107 na przyk\u0142ad model Arduino Uno, ale sprawdz\u0105 si\u0119 tak\u017ce inne wersje. Przydatna b\u0119dzie tak\u017ce\u00a0<a href=\"\/53-plytki-stykowe\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">p\u0142ytka stykowa<\/a>\u00a0&#8211; narz\u0119dzie dzi\u0119ki kt\u00f3remu bez konieczno\u015bci lutowania b\u0119dziesz m\u00f3g\u0142 z\u0142o\u017cy\u0107 sw\u00f3j projekt, tak aby by\u0142 w pe\u0142ni funkcjonalny. W razie potrzeby mo\u017cesz go \u0142atwo modyfikowa\u0107 i poprawia\u0107 nie trac\u0105c \u017cadnych komponent\u00f3w, ani samej p\u0142ytki, a ostatecznie mo\u017cesz ca\u0142o\u015b\u0107 rozmontowa\u0107 i wykorzysta\u0107 do innego projektu. Aby ca\u0142a operacja mog\u0142a si\u0119 uda\u0107 konieczne b\u0119d\u0105 tak\u017ce\u00a0<a href=\"\/82-przewody-polaczeniowe\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">przewody po\u0142\u0105czeniowe<\/a>\u00a0ze z\u0142\u0105czami \u017ce\u0144skimi i m\u0119skimi (wtyczki i gniazda) w r\u00f3\u017cnych konfiguracjach. Do uruchomienia klawiatury przydatna b\u0119dzie tak\u017ce\u00a0<a href=\"\/1228-klawiatury-arduino\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">p\u0142ytka z gotowymi 16 przyciskami (4&#215;4) typu tact switch,<\/a>\u00a0dzi\u0119ki kt\u00f3rym b\u0119dziesz m\u00f3g\u0142 \u0142atwo wprowadza\u0107 dane do kalkulatora. Do odczytania wyniku konieczny b\u0119dzie tak\u017ce\u00a0<a href=\"\/392-wyswietlacze-alfanumeryczne-i-graficzne\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">odpowiedni wy\u015bwietlacz\u00a0<\/a>&#8211; wymagania nie s\u0105 du\u017ce &#8211; wa\u017cne, aby by\u0142 w stanie wy\u015bwietli\u0107 kilka znak\u00f3w i cyfr pod rz\u0105d. Potrzebny b\u0119dzie tak\u017ce\u00a0<a href=\"\/2352-konwerter-i2c-dla-wyswietlacza-lcd-hd44780-5903351248693.html\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">konwerter I2C<\/a>\u00a0oraz sprawny komputer z zainstalowanym \u015brodowiskiem programistycznym (najlepiej\u00a0<a href=\"https:\/\/www.arduino.cc\/en\/software\" target=\"_blank\" rel=\"noopener nofollow external noreferrer\" data-wpel-link=\"external\">Arduino IDE<\/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-f491918 elementor-widget elementor-widget-heading\" data-id=\"f491918\" 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\">Jak z\u0142o\u017cy\u0107 zebrane komponenty?<\/h2>\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-22e251e elementor-section-full_width elementor-section-content-middle elementor-section-height-default elementor-section-height-default\" data-id=\"22e251e\" 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-3724bac\" data-id=\"3724bac\" 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-31a8950 elementor-widget elementor-widget-image\" data-id=\"31a8950\" 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\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/03\/arduino-elementy-scaled.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"arduino elementy\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NTIyMTIsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmNvbS5wbFwvYmxvZ1wvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyM1wvMDNcL2FyZHVpbm8tZWxlbWVudHktc2NhbGVkLmpwZyJ9\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/03\/arduino-elementy-1024x683.jpg\" class=\"attachment-large size-large wp-image-52212\" alt=\"\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/03\/arduino-elementy-1024x683.jpg 1024w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/03\/arduino-elementy-300x200.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/03\/arduino-elementy-768x512.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/03\/arduino-elementy-1536x1024.jpg 1536w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/03\/arduino-elementy-2048x1365.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-fadd3f0\" data-id=\"fadd3f0\" 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-ba5c5fa elementor-widget elementor-widget-text-editor\" data-id=\"ba5c5fa\" 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>Ekran mo\u017cesz pod\u0142\u0105czy\u0107 do Arduino dzi\u0119ki konwerterowi I2C. Je\u017celi nie zamierzasz \u0142\u0105czy\u0107 tych element\u00f3w na sta\u0142e, najprostszym sposobem b\u0119dzie przylutowanie listwy \u017ce\u0144skich goldpin\u00f3w do p\u0142ytki Arduino (GPIO) oraz listwy m\u0119skich goldpin\u00f3w do konwertera I2C oraz do p\u0142ytki drukowanej z ekranem. Konwerter oraz ekran \u0142atwo pod\u0142\u0105czysz do siebie korzystaj\u0105c po prostu z p\u0142ytki stykowej. Zasilanie (GND oraz VCC) oraz piny SDA i SCL (razem 4 przewody) z \u0142atwo\u015bci\u0105 mo\u017cesz pod\u0142\u0105czy\u0107 do Arduino, tworz\u0105c w ten spos\u00f3b mo\u017cliwo\u015b\u0107 prostej wizualizacji danych na ekranie. Kolejnym wa\u017cnym krokiem jest pod\u0142\u0105czenie klawiatury tact switch za pomoc\u0105 o\u015bmiu przewod\u00f3w do wej\u015b\u0107 Arduino. Na koniec nale\u017cy pod\u0142\u0105czy\u0107 zasilanie do p\u0142ytki oraz przygotowa\u0107 po\u0142\u0105czenie USB z komputerem do programowania urz\u0105dzenia.<\/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 class=\"elementor-element elementor-element-8bcf4ef elementor-widget elementor-widget-heading\" data-id=\"8bcf4ef\" 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\">Programowanie Arduino<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7663d74 elementor-widget elementor-widget-text-editor\" data-id=\"7663d74\" 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>Firma Arduino bardzo dobrze zadba\u0142a o u\u017cytkownik\u00f3w tworz\u0105c darmowe, jednolite i proste w obs\u0142udze \u015brodowisko programistyczne \u201cArduino IDE\u201d. Korzystanie z tego wyposa\u017cenia nie jest jedyn\u0105 mo\u017cliwo\u015bci\u0105 programowania, ale z racji tego, \u017ce jest bardzo wygodne to doskonale sprawdzi si\u0119 r\u00f3wnie\u017c do zaprogramowania p\u0142ytki jako kalkulatora. Dla do\u015bwiadczonego programisty nie jest to trudne zadanie, jednak wymaga pewnego do\u015bwiadczenia oraz wiedzy o \u015brodowisku. Biblioteki do r\u00f3\u017cnych cel\u00f3w s\u0105 og\u00f3lnodost\u0119pne dla ka\u017cdego, a j\u0119zyk programowania jest bardzo zbli\u017cony do C To bardzo wa\u017cne, bo dzi\u0119ki temu ka\u017cdy z \u0142atwo\u015bci\u0105 ma mo\u017cliwo\u015b\u0107 znale\u017a\u0107 wszelkie materia\u0142y dydaktyczne za po\u015brednictwem Internetu lub literatury.<\/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-dcc75cb elementor-widget elementor-widget-heading\" data-id=\"dcc75cb\" 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\">Jak zrobi\u0107 kalkulator na arduino?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-093d217 elementor-widget elementor-widget-text-editor\" data-id=\"093d217\" 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>Samodzielne zbudowanie kalkulatora na podstawie Arduino to stosunkowo prosta operacja. Wymaga poznania niewielkiej dawki wiedzy zar\u00f3wno z dziedziny informatyki (do napisania programu), jak i elektroniki mikroprocesorowej. To doskona\u0142e \u0107wiczenie wprowadzaj\u0105ce dla pocz\u0105tkuj\u0105cych elektronik\u00f3w, programist\u00f3w czy robotyk\u00f3w.\n<\/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>Arduino to modu\u0142 z mikrokontrolerem o bardzo szerokim spektrum mo\u017cliwo\u015bci &#8211; samodzielna realizacja prostego projektu to znakomita nauka. Dowiedz si\u0119 jak zbudowa\u0107 kalkulator!<\/p>\n","protected":false},"author":21,"featured_media":63076,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[133,21],"tags":[],"class_list":["post-33780","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arduino","category-programowanie"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jak zrobi\u0107 kalkulator na arduino - Botland<\/title>\n<meta name=\"description\" content=\"Dowiedz si\u0119 jak samodzielnie zbudowa\u0107 swoj\u0105 w\u0142asn\u0105 wersj\u0119 kalkulatora opartego na p\u0142ytce rozwojowej Arduino.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/botland.com.pl\/blog\/jak-zrobic-kalkulator-na-arduino\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak zrobi\u0107 kalkulator na arduino - 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