{"id":7905,"date":"2023-02-09T08:43:45","date_gmt":"2023-02-09T08:43:45","guid":{"rendered":"https:\/\/rjoytek.com\/?p=7905"},"modified":"2024-11-28T06:56:11","modified_gmt":"2024-11-28T06:56:11","slug":"comment-connecter-un-ecran-lcd-avec-i2c","status":"publish","type":"post","link":"https:\/\/rjoytek.com\/fr\/comment-connecter-un-ecran-lcd-avec-i2c\/","title":{"rendered":"Comment connecter un LCD avec I2C ?"},"content":{"rendered":"

Connecter un \u00e9cran LCD \u00e0 un bus I2C est une m\u00e9thode simple et efficace pour contr\u00f4ler l'affichage, en particulier lorsque vous travaillez avec des microcontr\u00f4leurs disposant de ressources limit\u00e9es en broches. Voici un aper\u00e7u de la fa\u00e7on de connecter un \u00e9cran LCD \u00e0 un bus I2C :<\/p>\n

Connecter l'alimentation : Connectez les broches d'alimentation positive et n\u00e9gative de l'\u00e9cran LCD aux broches d'alimentation positive et n\u00e9gative correspondantes du microcontr\u00f4leur.<\/p>\n

Connecter les lignes SDA (donn\u00e9es) et SCL (horloge) : Connectez les lignes SDA et SCL de l'\u00e9cran LCD aux broches SDA et SCL correspondantes du microcontr\u00f4leur. Ces lignes sont utilis\u00e9es pour la communication entre le microcontr\u00f4leur et l'\u00e9cran LCD.<\/p>\n

Connecter la broche de contraste : Connectez la broche de contraste de l'\u00e9cran LCD \u00e0 un potentiom\u00e8tre ou \u00e0 une r\u00e9sistance fixe. Cette broche est utilis\u00e9e pour r\u00e9gler le contraste de l'affichage.<\/p>\n

Connecter les broches de r\u00e9tro\u00e9clairage : Connectez les broches de r\u00e9tro\u00e9clairage de l'\u00e9cran LCD aux broches d'alimentation positive et n\u00e9gative. Le r\u00e9tro\u00e9clairage est responsable de l'\u00e9clairage de l'\u00e9cran.<\/p>\n

Initialiser le bus I2C : Dans votre logiciel, vous devrez initialiser le bus I2C sur le microcontr\u00f4leur et d\u00e9finir l'adresse I2C de l'\u00e9cran LCD.<\/p>\n

\u00c9crire le logiciel : Enfin, \u00e9crivez le logiciel pour contr\u00f4ler l'\u00e9cran LCD. Vous devrez envoyer des commandes \u00e0 l'\u00e9cran LCD pour d\u00e9finir la position du curseur et afficher des caract\u00e8res.<\/p>\n

Remarque : Les connexions sp\u00e9cifiques peuvent varier en fonction de l'\u00e9cran LCD et du microcontr\u00f4leur exacts que vous utilisez, assurez-vous donc de consulter les fiches techniques des deux composants pour garantir des connexions correctes.<\/p>\n

 <\/p>\n

\"\"<\/a><\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Connecting an LCD display to an I2C bus is a simple and efficient way to control the display, especially when you’re working with microcontrollers with limited pin resources. Here’s an overview of how to connect an LCD display to an I2C bus: Connect the power supply: Connect the positive and […]<\/p>\n","protected":false},"author":3,"featured_media":7906,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"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-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[427],"tags":[267],"class_list":["post-7905","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcb-basics","tag-how-to-connect-lcd-with-i2c"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t