{"id":111,"date":"2016-02-23T16:50:26","date_gmt":"2016-02-24T00:50:26","guid":{"rendered":"https:\/\/www.crystalfontz.com\/blog\/?p=111"},"modified":"2018-10-10T13:56:50","modified_gmt":"2018-10-10T20:56:50","slug":"tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd","status":"publish","type":"post","link":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/","title":{"rendered":"Tutorial: Connect an Arduino to a Crystalfontz 533 Keypad LCD"},"content":{"rendered":"<p>In our last post, we talked about <a href=\"https:\/\/www.crystalfontz.com\/blog\/tutorial-power-up-a-crystalfontz-lcd-with-a-raspberry-pi\/\">connecting a Raspberry Pi to a Crystalfontz LCD<\/a>.<\/p>\n<p>In this post, we look at connecting an&nbsp;<a href=\"http:\/\/www.arduino.cc\/\" target=\"_blank\" rel=\"nofollow noopener\">Arduino<\/a> <a href=\"http:\/\/www.arduino.cc\/en\/Main\/ArduinoBoardUno\" target=\"_blank\" rel=\"nofollow noopener\">Uno<\/a>&nbsp;with&nbsp;a <a href=\"https:\/\/www.crystalfontz.com\/product\/cfa533tfhkc-i2c-alphanumeric-16x2-lcd-display\">CFA533 I2C LCD<\/a> with a keypad. This gives you the ability to output and control your Arduino via <a href=\"https:\/\/www.crystalfontz.com\/blog\/glossary\/i2c\/\" target=\"_self\" title='I2C or IIC stands for \"Inter-Integrated Circuit,\" and was originally intended as a way to communicate from one IC to another, usually on the same PCB. I2C is a bi-directional serial bus that was originally created by Philips (now NXP). Detailed Definition In a typical I2C application, there will be one master, and one or&hellip;' class=\"encyclopedia\">I2C<\/a> using a character module with a keypad interface.<\/p>\n<h3>Let&rsquo;s Get Started<\/h3>\n<h5>Step 1: Electrical Connections on the Arduino<\/h5>\n<ul>\n<li>+5v, GND, SDA and SCL<br>\n(SDA = Serial Data, SCL = Serial Clock)<\/li>\n<\/ul>\n<h5>Step 2: Connect to CFA533<\/h5>\n<ul>\n<li>via the 10-pin connector<\/li>\n<\/ul>\n<h5>Step 3: Jumper Check &ndash; make sure JP13 is closed<\/h5>\n<ul>\n<li>&nbsp;This ensures that the module will get its 5v power from the Arduino.<\/li>\n<\/ul>\n<h5>Step 4: Power Up!<\/h5>\n<p><a href=\"https:\/\/www.crystalfontz.com\/product\/cfa533tfhkc-i2c-alphanumeric-16x2-lcd-display\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-112\" src=\"https:\/\/www.crystalfontz.com\/blog\/wp-content\/uploads\/Arduino_I2C_LCD_CFA533_Powered_On-1024x338.jpg\" alt=\"Arduino_I2C_LCD_CFA533_Powered_On\" width=\"700\" height=\"231\"><\/a><\/p>\n<h5>Step 5: Software<\/h5>\n<ul>\n<li>We have sample CFA-533 I2C project for the Arduino:<a href=\"http:\/\/baxsie.com\/images\/forum\/Arduino_I2C_LCD_CFA533\/I2C_533_Test.ino\" rel=\"nofollow\"> I2C_533_Test.ino<\/a><\/li>\n<\/ul>\n<h5>Step 6: Sample Code<\/h5>\n<ul>\n<li>Use the functions included in the .INO file linked above to write text to the display, read the keys, or any other function supported by the CFA-533.<\/li>\n<\/ul>\n<p><strong>For detailed step-by-step pictorial instruction<\/strong>, please see our <a href=\"https:\/\/forum.crystalfontz.com\/showthread.php\/7377-Connect-Arduino-Uno-to-a-CFA533-I2C-LCD-Keypad\">tech support forum thread<\/a> on this topic.<\/p>\n<h3>Questions?<\/h3>\n<p>For any questions about connecting a Crystalfontz <a href=\"https:\/\/www.crystalfontz.com\/blog\/glossary\/lcd\/\" target=\"_self\" title=\"LCD stands for Liquid Crystal Display. An LCD is composed of two pieces of glass with a thin layer of liquid crystals between the glass layers. When a voltage is applied to the glass, the orientation of the crystals can be changed. This change in the crystal's orientation (called polarization) will make either a dark&hellip;\" class=\"encyclopedia\">LCD<\/a> to an Arduino, what LCD is the best choice for your application, or any other questions (technical or availability), please <a href=\"https:\/\/www.crystalfontz.com\/contact.php\">contact our knowledgeable and friendly support staff<\/a> via email, phone, or chat.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In our last post, we talked about connecting a Raspberry Pi to a Crystalfontz LCD. In this post, we look at connecting an\u00a0Arduino Uno\u00a0with\u00a0a CFA533 I2C LCD with a keypad. This gives you the ability to output and control your Arduino via I2C using a character module with a keypad interface. Let&#8217;s Get Started Step [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":112,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[6,4,9],"tags":[],"class_list":["post-111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arduino","category-frequently-asked-questions","category-tutorial"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tutorial: Connect an Arduino to a Crystalfontz 533 Keypad LCD<\/title>\n<meta name=\"description\" content=\"Connect an\u00a0Arduino Uno\u00a0with\u00a0a CFA533 I2C LCD with a keypad. Output and control your Arduino via I2C using a character module with a keypad interface.\" \/>\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.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tutorial: Connect an Arduino to a Crystalfontz 533 Keypad LCD\" \/>\n<meta property=\"og:description\" content=\"Connect an\u00a0Arduino Uno\u00a0with\u00a0a CFA533 I2C LCD with a keypad. Output and control your Arduino via I2C using a character module with a keypad interface.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/\" \/>\n<meta property=\"og:site_name\" content=\"Crystalfontz LCD Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/pages\/Crystalfontz-America-Inc\" \/>\n<meta property=\"article:published_time\" content=\"2016-02-24T00:50:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-10-10T20:56:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.crystalfontz.com\/blog\/wp-content\/uploads\/Arduino_I2C_LCD_CFA533_Powered_On-e1612975903499.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"220\" \/>\n\t<meta property=\"og:image:height\" content=\"73\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Editor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@crystalfontz\" \/>\n<meta name=\"twitter:site\" content=\"@crystalfontz\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Editor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\\\/\"},\"author\":{\"name\":\"Editor\",\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/#\\\/schema\\\/person\\\/c2d4867427e5e5ed2d8f33405d7500fa\"},\"headline\":\"Tutorial: Connect an Arduino to a Crystalfontz 533 Keypad LCD\",\"datePublished\":\"2016-02-24T00:50:26+00:00\",\"dateModified\":\"2018-10-10T20:56:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\\\/\"},\"wordCount\":220,\"publisher\":{\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/wp-content\\\/uploads\\\/Arduino_I2C_LCD_CFA533_Powered_On-e1612975903499.jpg\",\"articleSection\":[\"Arduino Projects\",\"Frequently Asked Questions\",\"Tutorial\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\\\/\",\"url\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\\\/\",\"name\":\"Tutorial: Connect an Arduino to a Crystalfontz 533 Keypad LCD\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/wp-content\\\/uploads\\\/Arduino_I2C_LCD_CFA533_Powered_On-e1612975903499.jpg\",\"datePublished\":\"2016-02-24T00:50:26+00:00\",\"dateModified\":\"2018-10-10T20:56:50+00:00\",\"description\":\"Connect an\u00a0Arduino Uno\u00a0with\u00a0a CFA533 I2C LCD with a keypad. Output and control your Arduino via I2C using a character module with a keypad interface.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/wp-content\\\/uploads\\\/Arduino_I2C_LCD_CFA533_Powered_On-e1612975903499.jpg\",\"contentUrl\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/wp-content\\\/uploads\\\/Arduino_I2C_LCD_CFA533_Powered_On-e1612975903499.jpg\",\"width\":220,\"height\":73},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Tutorial: Connect an Arduino to a Crystalfontz 533 Keypad LCD\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/\",\"name\":\"Crystalfontz LCD Blog\",\"description\":\"We have a display for that!\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/#organization\",\"name\":\"Crystalfontz America Inc.\",\"url\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/wp-content\\\/uploads\\\/CrystalfontzAmericaLogo-e1612976245961.jpg\",\"contentUrl\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/wp-content\\\/uploads\\\/CrystalfontzAmericaLogo-e1612976245961.jpg\",\"width\":120,\"height\":120,\"caption\":\"Crystalfontz America Inc.\"},\"image\":{\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/pages\\\/Crystalfontz-America-Inc\",\"https:\\\/\\\/x.com\\\/crystalfontz\",\"https:\\\/\\\/www.instagram.com\\\/crystalfontz\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/crystalfontz-america-inc\\\/\",\"https:\\\/\\\/www.youtube.com\\\/user\\\/CrystalfontzAmerica\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.crystalfontz.com\\\/blog\\\/#\\\/schema\\\/person\\\/c2d4867427e5e5ed2d8f33405d7500fa\",\"name\":\"Editor\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Tutorial: Connect an Arduino to a Crystalfontz 533 Keypad LCD","description":"Connect an\u00a0Arduino Uno\u00a0with\u00a0a CFA533 I2C LCD with a keypad. Output and control your Arduino via I2C using a character module with a keypad interface.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/","og_locale":"en_US","og_type":"article","og_title":"Tutorial: Connect an Arduino to a Crystalfontz 533 Keypad LCD","og_description":"Connect an\u00a0Arduino Uno\u00a0with\u00a0a CFA533 I2C LCD with a keypad. Output and control your Arduino via I2C using a character module with a keypad interface.","og_url":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/","og_site_name":"Crystalfontz LCD Blog","article_publisher":"https:\/\/www.facebook.com\/pages\/Crystalfontz-America-Inc","article_published_time":"2016-02-24T00:50:26+00:00","article_modified_time":"2018-10-10T20:56:50+00:00","og_image":[{"width":220,"height":73,"url":"https:\/\/www.crystalfontz.com\/blog\/wp-content\/uploads\/Arduino_I2C_LCD_CFA533_Powered_On-e1612975903499.jpg","type":"image\/jpeg"}],"author":"Editor","twitter_card":"summary_large_image","twitter_creator":"@crystalfontz","twitter_site":"@crystalfontz","twitter_misc":{"Written by":"Editor","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/#article","isPartOf":{"@id":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/"},"author":{"name":"Editor","@id":"https:\/\/www.crystalfontz.com\/blog\/#\/schema\/person\/c2d4867427e5e5ed2d8f33405d7500fa"},"headline":"Tutorial: Connect an Arduino to a Crystalfontz 533 Keypad LCD","datePublished":"2016-02-24T00:50:26+00:00","dateModified":"2018-10-10T20:56:50+00:00","mainEntityOfPage":{"@id":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/"},"wordCount":220,"publisher":{"@id":"https:\/\/www.crystalfontz.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/#primaryimage"},"thumbnailUrl":"https:\/\/www.crystalfontz.com\/blog\/wp-content\/uploads\/Arduino_I2C_LCD_CFA533_Powered_On-e1612975903499.jpg","articleSection":["Arduino Projects","Frequently Asked Questions","Tutorial"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/","url":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/","name":"Tutorial: Connect an Arduino to a Crystalfontz 533 Keypad LCD","isPartOf":{"@id":"https:\/\/www.crystalfontz.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/#primaryimage"},"image":{"@id":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/#primaryimage"},"thumbnailUrl":"https:\/\/www.crystalfontz.com\/blog\/wp-content\/uploads\/Arduino_I2C_LCD_CFA533_Powered_On-e1612975903499.jpg","datePublished":"2016-02-24T00:50:26+00:00","dateModified":"2018-10-10T20:56:50+00:00","description":"Connect an\u00a0Arduino Uno\u00a0with\u00a0a CFA533 I2C LCD with a keypad. Output and control your Arduino via I2C using a character module with a keypad interface.","breadcrumb":{"@id":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/#primaryimage","url":"https:\/\/www.crystalfontz.com\/blog\/wp-content\/uploads\/Arduino_I2C_LCD_CFA533_Powered_On-e1612975903499.jpg","contentUrl":"https:\/\/www.crystalfontz.com\/blog\/wp-content\/uploads\/Arduino_I2C_LCD_CFA533_Powered_On-e1612975903499.jpg","width":220,"height":73},{"@type":"BreadcrumbList","@id":"https:\/\/www.crystalfontz.com\/blog\/tutorial-connect-an-arduino-to-a-crystalfontz-533-keypad-lcd\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.crystalfontz.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Tutorial: Connect an Arduino to a Crystalfontz 533 Keypad LCD"}]},{"@type":"WebSite","@id":"https:\/\/www.crystalfontz.com\/blog\/#website","url":"https:\/\/www.crystalfontz.com\/blog\/","name":"Crystalfontz LCD Blog","description":"We have a display for that!","publisher":{"@id":"https:\/\/www.crystalfontz.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.crystalfontz.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.crystalfontz.com\/blog\/#organization","name":"Crystalfontz America Inc.","url":"https:\/\/www.crystalfontz.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.crystalfontz.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.crystalfontz.com\/blog\/wp-content\/uploads\/CrystalfontzAmericaLogo-e1612976245961.jpg","contentUrl":"https:\/\/www.crystalfontz.com\/blog\/wp-content\/uploads\/CrystalfontzAmericaLogo-e1612976245961.jpg","width":120,"height":120,"caption":"Crystalfontz America Inc."},"image":{"@id":"https:\/\/www.crystalfontz.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/pages\/Crystalfontz-America-Inc","https:\/\/x.com\/crystalfontz","https:\/\/www.instagram.com\/crystalfontz\/","https:\/\/www.linkedin.com\/company\/crystalfontz-america-inc\/","https:\/\/www.youtube.com\/user\/CrystalfontzAmerica"]},{"@type":"Person","@id":"https:\/\/www.crystalfontz.com\/blog\/#\/schema\/person\/c2d4867427e5e5ed2d8f33405d7500fa","name":"Editor"}]}},"_links":{"self":[{"href":"https:\/\/www.crystalfontz.com\/blog\/wp-json\/wp\/v2\/posts\/111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.crystalfontz.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.crystalfontz.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.crystalfontz.com\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.crystalfontz.com\/blog\/wp-json\/wp\/v2\/comments?post=111"}],"version-history":[{"count":3,"href":"https:\/\/www.crystalfontz.com\/blog\/wp-json\/wp\/v2\/posts\/111\/revisions"}],"predecessor-version":[{"id":983,"href":"https:\/\/www.crystalfontz.com\/blog\/wp-json\/wp\/v2\/posts\/111\/revisions\/983"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.crystalfontz.com\/blog\/wp-json\/wp\/v2\/media\/112"}],"wp:attachment":[{"href":"https:\/\/www.crystalfontz.com\/blog\/wp-json\/wp\/v2\/media?parent=111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.crystalfontz.com\/blog\/wp-json\/wp\/v2\/categories?post=111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.crystalfontz.com\/blog\/wp-json\/wp\/v2\/tags?post=111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}