{"id":2537,"date":"2022-06-27T13:28:54","date_gmt":"2022-06-27T13:28:54","guid":{"rendered":"https:\/\/picockpit.com\/raspberry-pi\/?p=2537"},"modified":"2023-08-28T11:48:10","modified_gmt":"2023-08-28T11:48:10","slug":"raspberry-pi-project-ideas-e-ink-calendar-clock","status":"publish","type":"post","link":"https:\/\/picockpit.com\/raspberry-pi\/fr\/raspberry-pi-project-ideas-e-ink-calendar-clock\/","title":{"rendered":"Id\u00e9es de projets Raspberry Pi : calendrier et horloge \u00e0 encre \u00e9lectronique"},"content":{"rendered":"<p>Aujourd'hui, nous examinons deux projets Raspberry Pi vraiment brillants - un calendrier et une horloge \u00e0 encre \u00e9lectronique !<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Calendrier \u00e9lectronique<\/h2>\n\n\n\n<iframe loading=\"lazy\" id=\"reddit-embed\" src=\"https:\/\/www.redditmedia.com\/r\/raspberry_pi\/comments\/v4ub12\/epaper_calendar_using_rpi_zero_w_caldav_support\/?ref_source=embed&amp;ref=share&amp;embed=true\" sandbox=\"allow-scripts allow-same-origin allow-popups\" style=\"border: none;\" height=\"620\" width=\"640\" scrolling=\"no\"><\/iframe>\n\n\n\n<p>L'utilisateur de Reddit Beaverknighterino a d\u00e9clar\u00e9 qu'il \u00e9tait \"fascin\u00e9 par les projets de papier \u00e9lectronique et j'ai finalement d\u00e9cid\u00e9 d'en faire un pour mon calendrier de travail\".<\/p>\n\n\n\n<p>Les mat\u00e9riaux utilis\u00e9s par Beaverknighterino sont les suivants :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Papier \u00e9lectronique Waveshare 7.5\" N\/B 800\u00d7480<\/li>\n\n\n\n<li>Raspberry Pi Zero W<\/li>\n\n\n\n<li>Banque d'alimentation Xiaomi 10000mAH<\/li>\n\n\n\n<li>IKEA HOVSTA Cadre photo<\/li>\n<\/ol>\n\n\n\n<p>Beaverknighterino a mentionn\u00e9 que le projet a \u00e9t\u00e9 rendu un peu plus difficile. En effet, le calendrier de travail utilise CalDAV et de nombreuses biblioth\u00e8ques open source ne prennent en charge que Google ou iCloud.<\/p>\n\n\n\n<p>\u00c0 l'heure actuelle, le syst\u00e8me ne dispose que de moins de cinq jours d'autonomie avant de s'\u00e9teindre. <\/p>\n\n\n\n<p>Cependant, c'est aussi le r\u00e9sultat d'un code non optimis\u00e9, qui, selon Beaverknighterino, fera l'objet d'am\u00e9liorations dans la prochaine it\u00e9ration.<\/p>\n\n\n\n<p>Les \u00e9crans e-ink sont tr\u00e8s \u00e9conomes en \u00e9nergie car la majeure partie de la consommation d'\u00e9nergie se produit lorsque vous rafra\u00eechissez l'\u00e9cran avec un nouveau contenu. Une fois le contenu d\u00e9fini, la consommation d'\u00e9nergie tombe \u00e0 z\u00e9ro.<\/p>\n\n\n\n<p>Le probl\u00e8me est que le Pi Zero W est toujours en marche pour rafra\u00eechir l'\u00e9cran apr\u00e8s chaque rendez-vous et \u00e0 minuit. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>CLIQUEZ ICI : <a href=\"https:\/\/picockpit.com\/raspberry-pi\/wp-admin\/post.php?post=1583&amp;action=edit\">Trucs et astuces pour optimiser la puissance du Raspberry Pi Zero 2<\/a><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Horloge e-Ink<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/preview.redd.it\/3h5waithq5791.jpg?width=640&amp;crop=smart&amp;auto=webp&amp;s=a62ba4c49ff86bce898a94be6e9af8064b2b6dbc\" alt=\"\" style=\"width:419px;height:555px\" width=\"419\" height=\"555\"\/><figcaption class=\"wp-element-caption\">Waveshare 2.13\u2033 \u00e9cran e-Ink affichant l'horloge et la date . <a href=\"https:\/\/www.reddit.com\/r\/raspberry_pi\/comments\/vi2xow\/i_made_a_basic_clock_with_a_pi_zero_and_an_eink\/\" rel=\"nofollow\">Photo de u\/tttpp \/ reddit<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n<p>Voici un autre projet qui utilise le Raspberry Pi Zero.<\/p>\n\n\n\n<p>Contrairement au calendrier ci-dessus qui est aliment\u00e9 par une batterie, celui-ci est aliment\u00e9 par USB, il n'y a donc pas de probl\u00e8me de dur\u00e9e de vie de la batterie.<\/p>\n\n\n\n<p>La discussion autour de l'horloge est probablement la plus int\u00e9ressante. Une question pertinente est de savoir si un \u00e9cran \u00e0 encre \u00e9lectronique est capable d'afficher les secondes. Voici une vid\u00e9o importante :<\/p>\n\n\n\n<div style=\"width: 100%; height: 0px; position: relative; padding-bottom: 177.778%;\"><iframe loading=\"lazy\" src=\"https:\/\/streamable.com\/e\/qevfjr\" frameborder=\"0\" width=\"100%\" height=\"100%\" allowfullscreen=\"\" style=\"width: 100%; height: 100%; position: absolute;\"><\/iframe><\/div>\n\n\n\n<p>La faiblesse d'un \u00e9cran \u00e0 encre \u00e9lectronique est inh\u00e9rente \u00e0 son temps de rafra\u00eechissement d'une seconde. Il est donc tr\u00e8s d\u00e9rangeant de devoir le rafra\u00eechir toutes les secondes, ce qui n'est pas forc\u00e9ment propice. <\/p>\n\n\n\n<p>Mais c'est le prix \u00e0 payer pour un \u00e9cran ultra-efficace.<\/p>\n\n\n\n<p>Une autre discussion int\u00e9ressante est de savoir si le Raspberry Pi Pico serait un bon substitut au Pi Zero. D'autant plus qu'il est moins cher et beaucoup plus facile \u00e0 trouver en stock.<\/p>\n\n\n\n<p>La conclusion a \u00e9t\u00e9 que, oui, c'est possible... mais...<\/p>\n\n\n\n<p>Mais le probl\u00e8me est que le Pico n'a pas les m\u00eames caract\u00e9ristiques que le Pi Zero. <\/p>\n\n\n\n<p>Vous devrez donc ajouter quelques modules - <a href=\"https:\/\/buyzero.de\/products\/mini-rtc-module-for-raspberry-pi\">soit un module d'horloge en temps r\u00e9el<\/a> ou quelque chose qui lui donne acc\u00e8s \u00e0 l'internet.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-17.png\" alt=\"\" class=\"wp-image-2541\" style=\"width:442px;height:397px\" width=\"442\" height=\"397\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-17.png 500w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-17-300x269.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-17-13x12.png 13w\" sizes=\"auto, (max-width: 442px) 100vw, 442px\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/buyzero.de\/products\/mini-rtc-module-for-raspberry-pi\">Un mini module RTC pour le Raspberry Pi, disponible \u00e0 partir de ce lien.<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n<p>Le Pi Zero n'a pas d'horloge temps r\u00e9el \u00e0 bord, mais au moins vous avez le WiFi (avec la variante Zero W). Donc, en substance, le Zero est surdimensionn\u00e9 mais il est pratique.<\/p>\n\n\n\n<p>u\/tttpp a partag\u00e9 son <a href=\"https:\/\/pastebin.com\/VwYQcFD3\">code<\/a> et <a href=\"https:\/\/www.reddit.com\/user\/tttpp\/\" rel=\"nofollow\">instructions<\/a> pour l'\u00e9cran Waveshare 2.13\u2033 v2 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Installer pi lite sans interface graphique<\/li>\n\n\n\n<li>Installer python3 et tmux en utilisant SSH<\/li>\n\n\n\n<li>Suivez toutes les instructions de\u00a0<a href=\"https:\/\/www.waveshare.com\/wiki\/2.13inch_e-Paper_HAT\" target=\"_blank\" rel=\"noreferrer noopener\">ici pour installer les biblioth\u00e8ques et les exemples<\/a>\u00a0pour configurer l'\u00e9cran e-ink<\/li>\n\n\n\n<li>Cr\u00e9ez un nouveau dossier dans le dossier que vous avez t\u00e9l\u00e9charg\u00e9 sur waveshare (o\u00f9 se trouvent les dossiers lib, examples, etc) et copiez mes&nbsp;<a href=\"https:\/\/pastebin.com\/VwYQcFD3\" target=\"_blank\" rel=\"noreferrer noopener\">code<\/a>&nbsp;l\u00e0<\/li>\n\n\n\n<li>Cr\u00e9er une session tmux pour que le script puisse s'ex\u00e9cuter ind\u00e9finiment en arri\u00e8re-plan et le d\u00e9marrer avec python3 (chemin vers le code) et quitter la session tmux.<\/li>\n<\/ul>\n\n\n\n<p>Note : ce code est sp\u00e9cifiquement pour un \u00e9cran Waveshare 2.13 pouces V2. Il est assez facile de passer d'une version \u00e0 l'autre, il suffit d'ex\u00e9cuter chaque exemple jusqu'\u00e0 ce qu'un fonctionne (qui a la m\u00eame r\u00e9solution que l'e-ink que vous avez), je ferai un tutoriel appropri\u00e9 et je nettoierai le code bient\u00f4t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vous avez un projet int\u00e9ressant ?<\/h2>\n\n\n\n<p>Vous pouvez d\u00e9couvrir d'autres projets de ce type dans notre s\u00e9rie \"Projets Paragon\". <a href=\"https:\/\/picockpit.com\/raspberry-pi\/category\/paragon-projects\/\">ici<\/a>.<\/p>\n\n\n\n<p>Si vous connaissez un projet int\u00e9ressant, laissez un commentaire ci-dessous \ud83d\udc47<\/p>\n\n\n\n<p>Si vous aimez cette s\u00e9rie, inscrivez-vous \u00e0 notre newsletter ci-dessous \ud83d\udc47<\/p>\n<div class=\"shariff shariff-align-center shariff-widget-align-left shariff-buttonstretch\"><ul class=\"shariff-buttons theme-white orientation-horizontal buttonsize-medium\"><li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#595959\"><a href=\"https:\/\/twitter.com\/share?url=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Ffr%2Fraspberry-pi-project-ideas-e-ink-calendar-clock%2F&text=Raspberry%20Pi%20project%20ideas%3A%20e-ink%20calendar%20and%20clock\" title=\"Envoyer par X\" aria-label=\"Envoyer par X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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Calendrier en papier \u00e9lectronique L'utilisateur de Reddit Beaverknighterino a d\u00e9clar\u00e9 qu'il \u00e9tait \"fascin\u00e9 par les projets de papier \u00e9lectronique, alors j'ai finalement d\u00e9cid\u00e9 d'en faire un pour mon calendrier de travail\". Les mat\u00e9riaux utilis\u00e9s par Beaverknighterino sont les suivants : Beaverknighterino a mentionn\u00e9 que le projet...<\/p>","protected":false},"author":2,"featured_media":2544,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[220],"tags":[621,620,623,486,447,187,538,622],"class_list":["post-2537","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-raspberry-pi-projects","tag-e-ink-clock","tag-e-paper-calendar","tag-pi-projects","tag-project","tag-projects","tag-raspberry-pi","tag-raspberry-pi-zero","tag-waveshare-2-13-inch-display-v2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Raspberry Pi project ideas: e-ink calendar and clock | PiCockpit<\/title>\n<meta name=\"description\" content=\"Raspberry Pi projects including e-ink clock and e-paper calendar.\" 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