{"id":26452,"date":"2019-11-12T17:59:31","date_gmt":"2019-11-12T09:59:31","guid":{"rendered":"\/blog\/?p=26452"},"modified":"2019-12-25T09:47:33","modified_gmt":"2019-12-25T01:47:33","slug":"eink-displays-guide-for-raspberry-pi-comparisons-and-buying-one","status":"publish","type":"post","link":"https:\/\/www.seeedstudio.com\/blog\/2019\/11\/12\/eink-displays-guide-for-raspberry-pi-comparisons-and-buying-one\/","title":{"rendered":"Which E Ink Display to buy for Raspberry Pi? Comparison Guide"},"content":{"rendered":"\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">E Ink display, one of the options when it comes to Raspberry Pi display. There are indeed plenty of other options ranging from LCD to OLED to touchscreen. This sometimes results in difficulty when picking a suitable one. Hence, in this blog, I&#8217;ll go through why E Ink should be your go-to.<\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">In this comparison and buying guide, I&#8217;ll be providing my recommendations and it&#8217;ll cover the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>E-ink display introduction<\/li><li>LCD vs E-ink vs OLED: Their differences<\/li><li>Things to consider when purchasing an E-ink display<\/li><li>E-ink display recommendations<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Introduction to E-ink displays<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/www.raspberrypi.org\/app\/uploads\/2018\/06\/2018-06-07_12_33_44_Es9xIUvLsJ-500x375.jpg\" alt=\"\" width=\"250\" height=\"188\"\/><figcaption><a href=\"https:\/\/www.raspberrypi.org\/blog\/using-e-ink-raspberry-pi\/\">ref<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">E-ink displays utilize electrophoretic technology that first saw its rise in E-book readers such as Amazon Kindle. Other popular devices that run on E-ink include E-ink tablets,  Hisense a6 etc. <\/p>\n\n\n\n<p class=\"has-text-color has-vivid-red-color wp-block-paragraph\"><strong>How does it work?<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">It&#8217;s a low power consumed display that uses tiny microcapsules, suspending it in a liquid placed within a film layer.<\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">Texts are then produced by applying differently charged particles that are present in the microcapsules at various parts of the screen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">LCD vs E-ink vs OLED: The Difference<\/h2>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\"><strong>If you&#8217;re in the market for a Raspberry Pi display, these are the three common types available:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-gallery columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><li class=\"blocks-gallery-item\"><figure><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/11\/lcd.jpg\" alt=\"\" data-id=\"26486\" data-link=\"\/blog\/?attachment_id=26486\" class=\"wp-image-26486\"\/><figcaption>LCD<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" width=\"700\" height=\"525\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/11\/e-ink.png\" alt=\"\" data-id=\"26487\" data-link=\"\/blog\/?attachment_id=26487\" class=\"wp-image-26487\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/e-ink.png 700w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/e-ink-300x225.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption>E-ink<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"525\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/11\/oled-1.jpg\" alt=\"\" data-id=\"26489\" data-link=\"\/blog\/?attachment_id=26489\" class=\"wp-image-26489\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/oled-1.jpg 700w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/oled-1-300x225.jpg 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption>OLED<\/figcaption><\/figure><\/li><\/ul>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">I&#8217;ve put the E-ink display alongside the LCD and OLED for a comparison:<\/p>\n\n\n\n<table>\n  <tr>\n    <th><\/th>\n    <th>LCD<\/th>\n    <th>E-ink<\/th>\n    <th>OLED<\/th>\n  <\/tr>\n  <tr>\n    <td>Technology<\/td>\n    <td>Liquid cystal technology<br>Using backlight\/reflector to produce images in colour<\/td>\n    <td>Electrophoretic technology<br>Uses tiny microcapsules<\/td>\n    <td>OLED technology<br>Uses organic materials that emits light when electricty is run<\/td>\n  <\/tr>\n  <tr>\n    <td>Power Consumption <\/td>\n    <td>Relatively low<\/td>\n    <td>Low<\/td>\n    <td>High<\/td>\n  <\/tr>\n  <tr>\n    <td>Commonly found in<\/td>\n    <td>Lower-end smartphones, televisions, monitors, instrument panels<\/td>\n    <td>E-book readers, wearables, watches<\/td>\n    <td>Higher end technological products: smartphones, televisions, etc.<\/td>\n  <\/tr>\n  <tr>\n    <td>Pros<\/td>\n    <td>Full-color Compatability<br>Energy efficient<\/td>\n    <td>Low power consumption<br>Relatively cheap<br>Good viewing angles<br>Less eye strain<\/td>\n    <td>High response rate <br>High contrast<br>Near perfect viewing angle<\/td>\n  <\/tr>\n  <tr>\n    <td>Cons<\/td>\n    <td>Poor viewing angle<br>Limited brightness, affects reading in the day<br>Poor in displaying dark\/black colors<\/td>\n    <td>Harder to read in dim places<br>Can&#8217;t display video<\/td>\n    <td>Poor energy efficiency<br><br>High cost even for smaller display sizes <\/td>\n  <\/tr>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-text-color has-vivid-red-color wp-block-paragraph\"><strong>Comparison Verdict:<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">Widest variety of screen form factor: LCD<\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">Best display performance: OLED<\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">Best cost-to-performance ratio: E-ink<\/p>\n\n\n\n<p class=\"has-text-color has-vivid-red-color wp-block-paragraph\"><strong>Rationale:<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">LCD displays do come in wider form factors ranging from less than an inch to as big as 15.6 inches. However, what it does lack is the viewing angle, which E-link and OLED provide.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><em>You can view the wide array of LCD displays <\/em><a href=\"https:\/\/www.seeedstudio.com\/lcds-c-846.html?p=1\"><em>here<\/em><\/a><\/li><\/ul>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">We all love how OLED panels bring out the vibrant color with good contrast, making it miles ahead in terms of display performance. However, it&#8217;s the least cost-effective option due to how expensive it is to bring such viewing experience to users. Such panels tend to come in smaller form factors as well. Thus, this wouldn&#8217;t be my go-to recommendation.<\/p>\n\n\n\n<p class=\"has-text-color has-vivid-red-color wp-block-paragraph\"><strong>E-Ink Display is the way to go:<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">The availability of E-ink displays in various sizes and now with the introduction of color compatible versions makes it one of the favorites to pick up. Additionally, it provides good viewing angles at a relatively low price point. <\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">With that said, it strikes a balance between price and performance, making it a cost-effective option suitable for your raspberry pi project.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">E ink Display Guide: Buying one<\/h2>\n\n\n\n<p style=\"background-color:#bcf7f0;color:#000000\" class=\"has-text-color has-background wp-block-paragraph\"><strong>Colour compatibility:<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">Different E-ink displays support different color modes  The more colors it supports, it opens up a wider variety of projects you can work on. The most common ones are black and white. <\/p>\n\n\n\n<p style=\"background-color:#bcf7f0;color:#000000\" class=\"has-text-color has-background wp-block-paragraph\"><strong>Power consumption:<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">E-ink displays generally are low in power consumption. Despite that, you should always look out for the operating voltages of each display.<\/p>\n\n\n\n<p style=\"background-color:#bcf7f0;color:#000000\" class=\"has-text-color has-background wp-block-paragraph\"><strong>Size of display:<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">Different display sizes would take up different spaces when connected to the raspberry pi. Understanding the required space is a good consideration to take in.<\/p>\n\n\n\n<p style=\"background-color:#bcf7f0;color:#000000\" class=\"has-text-color has-background wp-block-paragraph\"><strong>Interfaces: <\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">The types of interfaces supported and its functionality is one thing to take note as it provides information on the suitable pairings. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended E-ink Displays<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.seeedstudio.com\/2-13-Triple-Color-E-Ink-Display-for-Raspberry-Pi-p-4044.html?utm_source=blog&amp;utm_medium=blog\">2.13&#8243; Triple-Color E-Ink Display for Raspberry Pi: A&nbsp;display module that also works as a hat<\/a><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/media-cdn.seeedstudio.com\/media\/catalog\/product\/cache\/ab187aaa5f626ad16c8031644cd2de5b\/1\/0\/104990448-integrate-preview.png\" alt=\"\" width=\"350\" height=\"263\"\/><figcaption><br><\/figcaption><\/figure><\/div>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">This is the Triple-Color E-Ink display that provides high contrast, a wide viewing angle, and words can be displayed like paper, without any electricity.<\/p>\n\n\n\n<p class=\"has-text-color has-vivid-red-color wp-block-paragraph\"><strong>What&#8217;s Unique?<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">As compared to other 2.13 inch displays in the market which only work as a Pi Hat, this is a standalone display module, with support to be used as a Hat.<\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\"><strong>Features:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Ultra-low power consumption<\/strong>; this display allows for pictures on the screen to be customized, which means pictures do not disappear after power off, and can be displayed for a long time without electricity<\/li><li><strong>Compatible with 3 colors<\/strong>; red, white, black<\/li><li><strong>Reserved Grove I2C interface<\/strong>; which enables you to use other I2C modules with this screen<\/li><li><strong>Resolution: <\/strong>212&#215;104 pixels<\/li><li><strong>Voltage conversion module<\/strong>; allow for you to use both 3.3v and 5v modules<\/li><li><strong>Two user buttons<\/strong>; allow for ease of switching between different images<\/li><\/ul>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\"><strong>Product Applications:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Shelf Label<\/li><li>Industrial Instrument<\/li><li>Outdoor display scene<\/li><li>Low power display scene<\/li><\/ul>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\"><strong>Hardware Overview:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/github.com\/SeeedDocument\/2.13-Triple-Color-E-Ink-Display-for-Raspberry-Pi\/raw\/master\/img\/2.13%E2%80%9CTriple-Color-E-Ink-Display-for-Rasberry-Pi.png\" alt=\"\"\/><\/figure>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\"><strong>How to pair with my raspberry pi?<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">Plug the display into your raspberry pi via the GPIO header. The module is able to communicate then with the 4-wire SPI interface.<\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\"><strong>Which Raspberry Pi is it compatible with?<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">It is compatible with Raspberry Pi 2 serial, Raspberry Pi 3 serial, Raspberry Pi 4 serial, and Raspberry Pi zero.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.seeedstudio.com\/2-7-Triple-Color-E-Ink-Display-for-Raspberry-Pi-p-4042.html?utm_source=blog&amp;utm_medium=blog\">2.7&#8243; Triple-Color E-ink Display for Raspberry Pi:&nbsp;A&nbsp;bigger brother to the 2.13&#8243; <\/a><\/h3>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">Is 2.13&#8243; too small for your project? Or are there not sufficient interfaces? Fear not, the following is the big brother to the 2.13&#8243; model<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/media-cdn.seeedstudio.com\/media\/catalog\/product\/cache\/ab187aaa5f626ad16c8031644cd2de5b\/1\/0\/104990449-preview.png\" alt=\"\" width=\"350\" height=\"263\"\/><\/figure><\/div>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">Sitting at 2.7&#8243;, this display module provides the same features, applications found in the 2.13&#8243; model apart from clearly it&#8217;s size, display resolution, and additional interfaces.<\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">Clear differential features:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>2.7-inch display area<\/li><li>Display resolution: 264&#215;176 <\/li><\/ul>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\"><strong>Hardware differences:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1030\" height=\"1005\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/11\/2.7-display-hardware-1030x1005.jpg\" alt=\"\" data-id=\"26527\" data-link=\"\/blog\/?attachment_id=26527\" class=\"wp-image-26527\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/2.7-display-hardware-1030x1005.jpg 1030w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/2.7-display-hardware-300x293.jpg 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/2.7-display-hardware-768x749.jpg 768w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/2.7-display-hardware.jpg 1400w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><figcaption>2.7 inch<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"717\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/11\/2.13-display-hardware.png\" alt=\"\" data-id=\"26528\" data-link=\"\/blog\/?attachment_id=26528\" class=\"wp-image-26528\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/2.13-display-hardware.png 1024w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/2.13-display-hardware-300x210.png 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/11\/2.13-display-hardware-768x538.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>2.13 inch<\/figcaption><\/figure><\/li><\/ul>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">As observed, the 2.7-inch display module has an additional Grove I2C interface, which supports more I2C module usages.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Try the 2.7&#8243; display with this simple to make project:<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/project.seeedstudio.com\/SeeedStudio\/seeed-e-ink-raspberry-calendar-24dc09\">E Ink Raspberry Calendar<\/a><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hackster.imgix.net\/uploads\/attachments\/933843\/conduct_3O8RDgrlH9.jpg?auto=compress%2Cformat&amp;w=900&amp;h=675&amp;fit=min\" alt=\"\" width=\"350\" height=\"263\"\/><figcaption><br><\/figcaption><\/figure><\/div>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">This project is suitable for beginners, as it only uses a Raspberry Pi 3b+ and the E ink display, combining with software codes that are available in the tutorial.<\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\"><strong>Raspberry Pi 3b+?<\/strong><\/p>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">Other raspberry pi models that support the E-ink display are welcomed, but to get local weather conditions and time, it&#8217;s better to use this model as  not only does it have WiFi functionality, but also Python code development<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Summary <\/h2>\n\n\n\n<p style=\"color:#000000\" class=\"has-text-color wp-block-paragraph\">E-ink displays maybe my recommended display module that strikes a good balance between price\/performance but it ultimately comes down to your usage purposes and project requirements. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the full list of Raspberry Pi <strong>D-ink displays<\/strong> available, you can head <a href=\"https:\/\/www.seeedstudio.com\/e-inks-c-847.html?utm_source=blog&amp;utm_medium=blog\">here<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the full list of Raspberry Pi <strong>LCD displays<\/strong> available, you can head <a href=\"https:\/\/www.seeedstudio.com\/lcds-c-846.html?utm_source=blog&amp;utm_medium=blog\">here<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For Raspberry Pi <strong>OLED displays<\/strong>, you can head <a href=\"https:\/\/www.seeedstudio.com\/oleds-c-844.html?utm_source=blog&amp;utm_medium=blog\">here<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>E Ink display, one of the options when it comes to Raspberry Pi display. There<\/p>\n","protected":false},"author":2850,"featured_media":26562,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"iawp_total_views":0,"footnotes":""},"categories":[1],"tags":[1260,101,1342,247,1957,418],"class_list":["post-26452","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-e-ink","tag-lcd","tag-oled","tag-raspberry-pi","tag-raspberry-pi-displays","tag-rpi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which E Ink Display to buy for Raspberry Pi? Comparison Guide<\/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.seeedstudio.com\/blog\/2019\/11\/12\/eink-displays-guide-for-raspberry-pi-comparisons-and-buying-one\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which E Ink Display to buy for Raspberry Pi? Comparison Guide\" \/>\n<meta property=\"og:description\" content=\"E Ink display, one of the options when it comes to Raspberry Pi display. 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