{"id":5568,"date":"2023-10-09T13:50:29","date_gmt":"2023-10-09T13:50:29","guid":{"rendered":"https:\/\/picockpit.com\/raspberry-pi\/?p=5568"},"modified":"2023-10-10T10:23:44","modified_gmt":"2023-10-10T10:23:44","slug":"raspberry-pi-5-has-a-real-time-clock-so-what","status":"publish","type":"post","link":"https:\/\/picockpit.com\/raspberry-pi\/fr\/le-raspberry-pi-5-a-une-horloge-temps-reel-et-alors\/","title":{"rendered":"Le Raspberry Pi 5 a une horloge en temps r\u00e9el. Et alors ?"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Real-Time-Clock-Title-Image-1024x576.png\" alt=\"Horloge en temps r\u00e9el Image de titre\" class=\"wp-image-5574\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Real-Time-Clock-Title-Image-1024x576.png 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Real-Time-Clock-Title-Image-300x169.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Real-Time-Clock-Title-Image-768x432.png 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Real-Time-Clock-Title-Image-18x10.png 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Real-Time-Clock-Title-Image.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>L'horloge en temps r\u00e9el (RTC) est l'une des principales fonctionnalit\u00e9s du Raspberry Pi 5 qui suscite beaucoup d'attention. De nos jours, presque tous les appareils, des smartphones aux ordinateurs portables en passant par les machines \u00e0 laver et les voitures, sont \u00e9quip\u00e9s d'une horloge en temps r\u00e9el.<\/p>\n\n\n\n<p>Mais le Raspberry Pi 5 est le premier produit phare \u00e0 \u00eatre \u00e9quip\u00e9 d'un RTC. (<em><a href=\"https:\/\/datasheets.raspberrypi.com\/rp2040\/rp2040-datasheet.pdf\">Le Pico a un RTC !<\/a><\/em>)<\/p>\n\n\n\n<p>Je dois \u00eatre honn\u00eate avec vous pour une seconde, nous vendons en fait <a href=\"https:\/\/buyzero.de\/search?type=product&amp;options%5Bprefix%5D=last&amp;options%5Bunavailable_products%5D=last&amp;q=rtc\">quelques compl\u00e9ments RTC<\/a> pour Raspberry Pi chez notre soci\u00e9t\u00e9 s\u0153ur. Et je n'en ai jamais regard\u00e9 un de pr\u00e8s avant l'annonce du Raspberry Pi 5.<\/p>\n\n\n\n<p>Je n'y ai jamais vraiment r\u00e9fl\u00e9chi. Qui a besoin d'un RTC ? En tout cas, je n'ai jamais eu besoin d'un CCF dans aucun de mes projets.<\/p>\n\n\n\n<p>J'ai donc \u00e9t\u00e9 un peu surpris de voir que les gens \u00e9taient si enthousiastes. J'ai donc d\u00e9cid\u00e9 de faire quelques recherches et de r\u00e9pondre \u00e0 ma question br\u00fblante : Qui a r\u00e9ellement besoin d'un RTC sur un Raspberry Pi ?<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/rpi51-1024x768.jpg\" alt=\"Notre Raspberry Pi 5\" class=\"wp-image-5428\" style=\"width:480px;height:360px\" width=\"480\" height=\"360\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/rpi51-1024x768.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/rpi51-300x225.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/rpi51-768x576.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/rpi51-16x12.jpg 16w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/rpi51.jpg 1280w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Horloges et cristaux<\/h2>\n\n\n\n<p>Tout d'abord, qu'est-ce qu'une horloge en temps r\u00e9el ?<\/p>\n\n\n\n<p>Pour le Raspberry Pi 5, le RTC est un composant mat\u00e9riel qui garde la trace de l'heure et de la date actuelles ind\u00e9pendamment du processeur principal. Il s'agit d'un circuit d'horloge \u00e0 faible consommation d'\u00e9nergie. Vous pouvez alimenter ce circuit avec l'alimentation standard de 5V ou avec la batterie RTC.<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Screenshot-from-2023-10-09-14-41-45-1024x613.png\" alt=\"Batterie RTC du Raspberry Pi 5\" class=\"wp-image-5575\" style=\"width:459px;height:275px\" width=\"459\" height=\"275\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Screenshot-from-2023-10-09-14-41-45-1024x613.png 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Screenshot-from-2023-10-09-14-41-45-300x179.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Screenshot-from-2023-10-09-14-41-45-768x459.png 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Screenshot-from-2023-10-09-14-41-45-18x12.png 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Screenshot-from-2023-10-09-14-41-45.png 1028w\" sizes=\"auto, (max-width: 459px) 100vw, 459px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Il s'agit d'une batterie Panasonic ML-2020 Lithium Manganese Dioxide qui permet au RTC de fonctionner m\u00eame lorsque le Raspberry Pi est \u00e9teint. La batterie est bien s\u00fbr rechargeable.<\/p>\n\n\n\n<p>De plus, je dois mentionner que la batterie est munie d'un tampon adh\u00e9sif double face. Vous pouvez donc la coller sur un mur ou une surface. Elle peut m\u00eame \u00eatre ins\u00e9r\u00e9e dans l'\u00e9tui officiel.<\/p>\n\n\n\n<p>Quoi qu'il en soit, le module RTC comprend un oscillateur \u00e0 cristal qui g\u00e9n\u00e8re un signal d'horloge stable (32 kHz). Ce signal est divis\u00e9 pour fournir des secondes, minutes, heures, jours, mois et ann\u00e9es pr\u00e9cis.<\/p>\n\n\n\n<p>Lorsque le Raspberry Pi 5 d\u00e9marre, il lit l'heure et la date \u00e0 partir du module RTC. <\/p>\n\n\n\n<p>Le RTC continue de suivre l'heure, garantissant que le syst\u00e8me dispose toujours d'une r\u00e9f\u00e9rence pr\u00e9cise, m\u00eame en cas de coupure de courant ou de red\u00e9marrage. Et cela fonctionne m\u00eame s'il n'est pas connect\u00e9 \u00e0 l'internet ou \u00e0 un serveur de protocole de temps r\u00e9seau.<\/p>\n\n\n\n<p>Cependant, si vous comptez uniquement sur la batterie, sachez qu'elle durera probablement environ 6 mois.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RTC sur RPi 5<\/h2>\n\n\n\n<p>Le RTC du Raspberry Pi 5 est contr\u00f4l\u00e9 par le circuit int\u00e9gr\u00e9 de gestion de l'alimentation situ\u00e9 en bas \u00e0 gauche de la carte.<\/p>\n\n\n\n<p><\/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\/2023\/10\/Screenshot-from-2023-10-09-13-59-51.png\" alt=\"IC de gestion de l&#039;\u00e9nergie\" class=\"wp-image-5573\" style=\"width:394px;height:421px\" width=\"394\" height=\"421\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Screenshot-from-2023-10-09-13-59-51.png 565w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Screenshot-from-2023-10-09-13-59-51-281x300.png 281w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/Screenshot-from-2023-10-09-13-59-51-11x12.png 11w\" sizes=\"auto, (max-width: 394px) 100vw, 394px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Ce circuit int\u00e9gr\u00e9 \u00e9tait en fait un circuit de gestion de l'alimentation con\u00e7u sur mesure pour le Raspberry Pi 5. Il vaut la peine d'en parler un peu plus en d\u00e9tail.<\/p>\n\n\n\n<p>Il est contr\u00f4l\u00e9 par I2C. <\/p>\n\n\n\n<p>Il comprend huit r\u00e9gulateurs d'alimentation \u00e0 d\u00e9coupage Buck et trois r\u00e9gulateurs Low Drop-Out. Les r\u00e9gulateurs Buck SMPS sont efficaces pour r\u00e9duire la tension d'un niveau \u00e9lev\u00e9 \u00e0 un niveau plus bas, tandis que les LDO maintiennent une tension de sortie stable avec une chute de tension minimale.<\/p>\n\n\n\n<p>Il contr\u00f4le \u00e9galement le commutateur HDMI 5V, le PHY USB-PD, le bouton d'alimentation et, bien s\u00fbr, le RTC.<\/p>\n\n\n\n<p>Si vous regardez l'image ci-dessus, vous verrez le petit port jaun\u00e2tre \u00e9tiquet\u00e9 \"BAT\" - c'est l\u00e0 que la batterie RTC se branche.<\/p>\n\n\n\n<p>Voil\u00e0 pour le mat\u00e9riel.<\/p>\n\n\n\n<p>Du c\u00f4t\u00e9 logiciel, le RTC communique avec le syst\u00e8me par l'interm\u00e9diaire de l'interface bo\u00eete aux lettres du micrologiciel. <\/p>\n\n\n\n<p>En outre, la RTC peut souvent \u00eatre programm\u00e9e pour g\u00e9n\u00e9rer des alarmes ou des signaux de r\u00e9veil \u00e0 des moments pr\u00e9cis. <\/p>\n\n\n\n<p>Cette fonction est utile pour d\u00e9clencher des \u00e9v\u00e9nements ou r\u00e9veiller le Raspberry Pi \u00e0 partir d'un \u00e9tat de faible consommation pour effectuer des t\u00e2ches programm\u00e9es. <\/p>\n\n\n\n<p>De plus, le pilote RTC se charge automatiquement au d\u00e9marrage, en suivant les r\u00e8gles normales de Linux. <code data-no-translation=\"\">hwclock<\/code> comportement. Le pilote RTC se charge donc automatiquement au d\u00e9marrage et se comporte selon le comportement standard de l'horloge mat\u00e9rielle sous Linux.<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.raspberrypi.com\/news\/introducing-raspberry-pi-5\/\"><img loading=\"lazy\" decoding=\"async\" width=\"669\" height=\"599\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/image-46.png\" alt=\"\" class=\"wp-image-5605\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/image-46.png 669w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/image-46-300x269.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/10\/image-46-13x12.png 13w\" sizes=\"auto, (max-width: 669px) 100vw, 669px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Et alors ?<\/h2>\n\n\n\n<p>Nous en arrivons maintenant \u00e0 la v\u00e9ritable raison de tout ce remue-m\u00e9nage. Car c'est bien beau tout cela, mais qu'est-ce que \u00e7a change ?<\/p>\n\n\n\n<p>Comme je l'ai d\u00e9j\u00e0 indiqu\u00e9 plus haut, un RTC est important pour les applications o\u00f9 vous voulez que votre Pi s'endorme, se r\u00e9veille, puis s'endorme \u00e0 nouveau. C'est tr\u00e8s utile pour l'efficacit\u00e9 \u00e9nerg\u00e9tique.<\/p>\n\n\n\n<p>Tout d'abord, l'un des exemples les plus \u00e9vidents que j'ai trouv\u00e9s est celui des cam\u00e9ras de s\u00e9curit\u00e9 ou des cam\u00e9ras animali\u00e8res.<\/p>\n\n\n\n<p>Vous pouvez connecter une cam\u00e9ra au Pi et lui donner un capteur. Lorsqu'elle d\u00e9tecte un mouvement, elle peut se r\u00e9veiller, prendre une photo, puis se rendormir. Cela pourrait donc \u00eatre utile pour les cam\u00e9ras d'oiseaux et d'\u00e9cureuils ou m\u00eame pour un projet de conservation de la faune.<\/p>\n\n\n\n<p>Deuxi\u00e8mement, une autre application qui concerne \u00e9galement les animaux serait une cam\u00e9ra de reconnaissance des chats\/chiens pour une porte pour animaux de compagnie.<\/p>\n\n\n\n<p>Je dois admettre que, n'ayant pas d'animal de compagnie, je ne suis pas s\u00fbr de savoir comment cela fonctionnerait. Mais quelqu'un l'a sugg\u00e9r\u00e9 sur les forums Raspberry Pi : une porte pour animaux de compagnie qui utilise une cam\u00e9ra pour reconna\u00eetre l'animal avant de s'ouvrir. Je suppose que cela emp\u00eacherait les animaux d'entrer chez vous au hasard.<\/p>\n\n\n\n<p>Commentez ci-dessous si vous avez une id\u00e9e de la fa\u00e7on dont cela pourrait fonctionner !<\/p>\n\n\n\n<p>Troisi\u00e8mement, vous pouvez utiliser la RTC pour synchroniser l'heure d'une flotte de Raspberry Pis.<\/p>\n\n\n\n<p>Comme les RTC permettent l'horodatage m\u00eame lorsque votre Raspberry Pi 5 est hors ligne, vous pouvez garantir un enregistrement pr\u00e9cis des donn\u00e9es. Je pense qu'il y a probablement un nombre illimit\u00e9 d'applications scientifiques et industrielles pour quelque chose comme \u00e7a.<\/p>\n\n\n\n<p>Quatri\u00e8mement, et finalement, il permet de s'assurer que le syst\u00e8me d'exploitation fonctionne correctement, m\u00eame lorsque votre Pi est hors ligne. Et bien que celui-ci soit ultra banal, c'est peut-\u00eatre le cas le plus important dans lequel les gens normaux utiliseront le RTC.<\/p>\n\n\n\n<p>Il est \u00e9vident que si l'horloge d'un syst\u00e8me d'exploitation est incorrecte ou commence simplement \u00e0 d\u00e9river, tout peut se d\u00e9r\u00e9gler. En utilisant la RTC, le syst\u00e8me d'exploitation du Raspberry Pi fonctionnera mieux. Il ne rencontrera pas de probl\u00e8mes de s\u00e9curit\u00e9 potentiels, par exemple.<\/p>\n\n\n\n<p>En outre, le syst\u00e8me d'exploitation sera en mesure de garantir les horodatages, les fichiers journaux et les t\u00e2ches planifi\u00e9es.<\/p>\n\n\n\n<p>Je dois admettre qu'apr\u00e8s avoir lu davantage \u00e0 ce sujet, je suis convaincu qu'ils auraient d\u00fb inclure un RTC sur les produits phares depuis longtemps.<\/p>\n\n\n\n<p>Et je ne suis pas le seul - Eben lui-m\u00eame (\u00e0 6:28 dans la vid\u00e9o ci-dessous) s'exclame, \"F\u00e9licitations : apr\u00e8s douze ans de Raspberry Pi, nous avons enfin un RTC et un bouton d'alimentation !\"<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" hcb-fetch-image-from=\"https:\/\/www.youtube.com\/watch?v=ZswAW9A6wNE&amp;t=387s\" title=\"Architecture du Raspberry Pi 5 - James Adams et Eben Upton sur la conception du #Pi5\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/ZswAW9A6wNE?start=387&#038;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Avant de partir, jetez un coup d'\u0153il \u00e0 notre concours !<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Concours et lettre d'information<\/h2>\n\n\n\n<p>Nous savons \u00e0 quel point il est frustrant de devoir attendre le 23 octobre pour obtenir un Raspberry Pi 5.<\/p>\n\n\n\n<p>C'est pourquoi nous avons voulu vous donner la possibilit\u00e9 d'en faire l'exp\u00e9rience le plus rapidement possible.<\/p>\n\n\n\n<p>Nous avons donc mis en place un concours : <em>Quelle est la chose la plus folle que vous puissiez imaginer pour le Raspberry Pi 5 ?<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/picockpit.com\/raspberry-pi\/win-a-free-raspberry-pi-5\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"192\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/Raspberry-Pi-5-Idea-Contest1-1024x192.jpg\" alt=\"Concours Raspberr Pi 5\" class=\"wp-image-5443\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/Raspberry-Pi-5-Idea-Contest1-1024x192.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/Raspberry-Pi-5-Idea-Contest1-300x56.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/Raspberry-Pi-5-Idea-Contest1-768x144.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/Raspberry-Pi-5-Idea-Contest1-1536x288.jpg 1536w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/Raspberry-Pi-5-Idea-Contest1-18x3.jpg 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/09\/Raspberry-Pi-5-Idea-Contest1.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Si votre id\u00e9e ne le d\u00e9truit pas, vous pouvez nous envoyer votre id\u00e9e et nous la mettrons en \u0153uvre sur le n\u00f4tre - et nous \u00e9crirons un article \u00e0 ce sujet !<\/p>\n\n\n\n<p>Nous annoncerons le gagnant ici et sur <a href=\"https:\/\/buyzero.de\/\" target=\"_blank\" rel=\"noreferrer noopener\">buyzero.de<\/a> le 23 octobre.<\/p>\n\n\n\n<p>L'id\u00e9e gagnante (d\u00e9termin\u00e9e par nos soins) remportera un kit Raspberry Pi 5 complet - comprenant une alimentation Power Delivery (PD) USB-C de 27 W, un bo\u00eetier Raspberry Pi 5, une carte SD et un Raspberry Pi 5. Le tout avec une livraison gratuite au sein de l'UE.<\/p>\n\n\n\n<p>Le finaliste gagnera un Raspberry Pi 5 avec livraison gratuite dans l'UE.<\/p>\n\n\n\n<p>N'oubliez donc pas d'envoyer vos id\u00e9es - vous pouvez consulter le lien suivant pour plus d'informations : <a href=\"https:\/\/picockpit.com\/raspberry-pi\/win-a-free-raspberry-pi-5\/\">GAGNEZ UN RASPBERRY PI 5 GRATUIT<\/a>!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Voici donc quelques applications que vous pouvez r\u00e9aliser avec un RTC sur le Raspberry Pi 5 !<\/p>\n\n\n\n<p>Avez-vous une id\u00e9e de l'utilisation que vous ferez du RTC ? Commentez ci-dessous !<\/p>\n\n\n\n<p>N'oubliez pas de consulter nos autres articles sur le Raspberry Pi 5 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/picockpit.com\/raspberry-pi\/raspberry-pi-4-vs-raspberry-pi-5\/\">Raspberry Pi 4 vs Raspberry Pi 5<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/picockpit.com\/raspberry-pi\/a-first-look-at-raspberry-pi-5\/\">Un premier regard sur le Raspberry Pi 5<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/picockpit.com\/raspberry-pi\/keeping-raspberry-pi-5-cool\/\">Garder le Raspberry Pi 5 au frais<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/picockpit.com\/raspberry-pi\/doom-on-a-raspberry-pi-5\/\">DOOM sur un Raspberry Pi 5<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/picockpit.com\/raspberry-pi\/win-a-free-raspberry-pi-5\/\">Gagnez un Raspberry Pi 5 GRATUIT<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/picockpit.com\/raspberry-pi\/5-surprising-features-of-raspberry-pi-5\/\">5 caract\u00e9ristiques surprenantes du Raspberry Pi 5<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/picockpit.com\/raspberry-pi\/raspberry-pi-5-micro-sd-card-speed\/\">Vitesse de la carte Micro SD du Raspberry Pi 5<\/a><\/li>\n\n\n\n<li><a href=\"http:\/\/4 Frequently Asked Questions about Raspberry Pi 5\" target=\"_blank\" rel=\"noreferrer noopener\">4 Questions fr\u00e9quemment pos\u00e9es sur le Raspberry Pi 5<\/a><\/li>\n<\/ul>\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%2Fle-raspberry-pi-5-a-une-horloge-temps-reel-et-alors%2F&text=Raspberry%20Pi%205%20has%20a%20Real-Time%20Clock.%20So%20What%3F\" title=\"Envoyer par X\" aria-label=\"Envoyer par X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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background-color:#0088cc; color:#0088cc\" target=\"_blank\"><span class=\"shariff-icon\" style=\"fill:#0088cc\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 32 32\"><path fill=\"#0088cc\" d=\"M30.8 6.5l-4.5 21.4c-.3 1.5-1.2 1.9-2.5 1.2L16.9 24l-3.3 3.2c-.4.4-.7.7-1.4.7l.5-7L25.5 9.2c.6-.5-.1-.8-.9-.3l-15.8 10L2 16.7c-1.5-.5-1.5-1.5.3-2.2L28.9 4.3c1.3-.5 2.3.3 1.9 2.2z\"\/><\/svg><\/span><span class=\"shariff-text\" style=\"color:#0088cc\">partager<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button reddit shariff-nocustomcolor\" style=\"background-color:#ff5700\"><a href=\"https:\/\/www.reddit.com\/submit?url=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Ffr%2Fle-raspberry-pi-5-a-une-horloge-temps-reel-et-alors%2F\" title=\"Envoyer par Reddit\" aria-label=\"Envoyer par Reddit\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#ff4500; color:#ff4500\" target=\"_blank\"><span class=\"shariff-icon\" style=\"fill:#ff4500\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path fill=\"#ff4500\" d=\"M440.3 203.5c-15 0-28.2 6.2-37.9 15.9-35.7-24.7-83.8-40.6-137.1-42.3L293 52.3l88.2 19.8c0 21.6 17.6 39.2 39.2 39.2 22 0 39.7-18.1 39.7-39.7s-17.6-39.7-39.7-39.7c-15.4 0-28.7 9.3-35.3 22l-97.4-21.6c-4.9-1.3-9.7 2.2-11 7.1L246.3 177c-52.9 2.2-100.5 18.1-136.3 42.8-9.7-10.1-23.4-16.3-38.4-16.3-55.6 0-73.8 74.6-22.9 100.1-1.8 7.9-2.6 16.3-2.6 24.7 0 83.8 94.4 151.7 210.3 151.7 116.4 0 210.8-67.9 210.8-151.7 0-8.4-.9-17.2-3.1-25.1 49.9-25.6 31.5-99.7-23.8-99.7zM129.4 308.9c0-22 17.6-39.7 39.7-39.7 21.6 0 39.2 17.6 39.2 39.7 0 21.6-17.6 39.2-39.2 39.2-22 .1-39.7-17.6-39.7-39.2zm214.3 93.5c-36.4 36.4-139.1 36.4-175.5 0-4-3.5-4-9.7 0-13.7 3.5-3.5 9.7-3.5 13.2 0 27.8 28.5 120 29 149 0 3.5-3.5 9.7-3.5 13.2 0 4.1 4 4.1 10.2.1 13.7zm-.8-54.2c-21.6 0-39.2-17.6-39.2-39.2 0-22 17.6-39.7 39.2-39.7 22 0 39.7 17.6 39.7 39.7-.1 21.5-17.7 39.2-39.7 39.2z\"\/><\/svg><\/span><span class=\"shariff-text\" style=\"color:#ff4500\">partager<\/span>&nbsp;<\/a><\/li><\/ul><\/div>","protected":false},"excerpt":{"rendered":"<p>L'horloge en temps r\u00e9el (RTC) est l'une des principales fonctionnalit\u00e9s du Raspberry Pi 5 qui suscite beaucoup d'attention. De nos jours, presque tous les appareils, des smartphones aux ordinateurs portables en passant par les machines \u00e0 laver et les voitures, sont \u00e9quip\u00e9s d'une horloge en temps r\u00e9el. Mais le Raspberry Pi 5 est le premier produit phare \u00e0 \u00eatre \u00e9quip\u00e9 d'une RTC. (Le...<\/p>","protected":false},"author":2,"featured_media":5574,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1962],"tags":[2020,606,2021,1972,447,187,1963,456,2018,1900,2019],"class_list":["post-5568","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-raspberry-pi-5","tag-gadget-mode","tag-linux","tag-pmic","tag-power-management-ic","tag-projects","tag-raspberry-pi","tag-raspberry-pi-5","tag-raspberry-pi-projects","tag-real-time-clock","tag-rtc","tag-sleep-mode"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Raspberry Pi 5 has a Real-Time Clock. So What? | PiCockpit<\/title>\n<meta name=\"description\" content=\"One feature of Raspberry Pi 5 that is getting attention is the Real-Time Clock (RTC). 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