{"id":30666,"date":"2021-06-10T10:09:04","date_gmt":"2021-06-10T08:09:04","guid":{"rendered":"https:\/\/blog.tecnimodel.com\/utiliser-une-led-pour-2-fonctions-d-eclairage\/"},"modified":"2026-08-14T11:19:38","modified_gmt":"2026-08-14T09:19:38","slug":"utiliser-une-led-pour-2-fonctions-d-eclairage","status":"publish","type":"post","link":"https:\/\/tecnimodel.com\/blog\/utiliser-une-led-pour-2-fonctions-d-eclairage\/","title":{"rendered":"Utiliser une led pour 2 fonctions d&rsquo;\u00e9clairage"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Sur certains mod\u00e8les compacts, il peut \u00eatre int\u00e9ressant d&rsquo;utiliser une seule led pour 2 fonctions d&rsquo;\u00e9clairage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce cas peut se pr\u00e9senter sur des feux arri\u00e8re, o\u00f9 la led rouge remplira les fonctions de veilleuses et de feux de stop. Ou pour des feux avant, o\u00f9 une led blanche alliera les fonctions veilleuses et feux de croisement, ou encore un projecteur avec 2 luminosit\u00e9s.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p class=\"wp-block-paragraph\">Pour le cas du projecteur, le c\u00e2blage \u00e0 r\u00e9aliser est simple, le voici :<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6ab9b47f5b75b&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6ab9b47f5b75b\" class=\"wp-block-image size-large is-style-custom-fixed-height wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"709\" height=\"1024\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/cablage_1_led_pour_2_fonctions_1_20210617_1798242717-709x1024.jpg\" alt=\"C\u00e2blage 1 led pour 2 fonctions_1\" class=\"wp-image-36352\" srcset=\"https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/cablage_1_led_pour_2_fonctions_1_20210617_1798242717-709x1024.jpg 709w, https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/cablage_1_led_pour_2_fonctions_1_20210617_1798242717-208x300.jpg 208w, https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/cablage_1_led_pour_2_fonctions_1_20210617_1798242717.jpg 746w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour cela, il suffit d&rsquo;utiliser 2 r\u00e9sistances de valeurs diff\u00e9rentes, pour jouer sur la luminosit\u00e9 de la led.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Attention : le cumul des courants que laissent passer les r\u00e9sistances ne doit pas \u00eatre sup\u00e9rieur \u00e0 20mA.<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cas particulier et plus fr\u00e9quent : utilisation d&rsquo;une led pour les&nbsp;veilleuses et les feux de stop, ou les veilleuses et les feux de croisement, en ayant d&rsquo;autres veilleuses sur le v\u00e9hicule, aliment\u00e9es par la m\u00eame sortie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le cas pr\u00e9sent, il nous faut emp\u00eacher le courant alimentant les freins ou les feux de croisement d&rsquo;\u00e9clairer aussi les autres veilleuses (par exemple les feux de gabarit). Pour cela, nous allons utiliser une <a href=\"https:\/\/www.tecnimodel.com\/fournitures\/13568-sachet-de-4-diodes-1n4148.html\">diode<\/a> :<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6ab9b47f5c668&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6ab9b47f5c668\" class=\"wp-block-image size-full is-style-custom-fixed-height wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/diode_1_20210615_1278927282.jpg\" alt=\"Diode_1\" class=\"wp-image-36349\" srcset=\"https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/diode_1_20210615_1278927282.jpg 500w, https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/diode_1_20210615_1278927282-300x300.jpg 300w, https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/diode_1_20210615_1278927282-150x150.jpg 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le r\u00f4le de la diode est de bloquer le courant dans un sens (c&rsquo;est un peu un \u00ab\u00a0sens interdit\u00a0\u00bb. sur la route)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour utiliser la m\u00eame led pour les veilleuses et les codes (valable aussi pour une led faisant office de veilleuse et de clignotant), r\u00e9aliser ce c\u00e2blage :<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6ab9b47f5d382&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6ab9b47f5d382\" class=\"wp-block-image size-large is-style-custom-fixed-height wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"769\" height=\"1024\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/cablage_1_led_pour_veilleuse_et_code_1_20210617_1944368340-769x1024.jpg\" alt=\"C\u00e2blage 1 led pour veilleuse et code_1\" class=\"wp-image-36353\" srcset=\"https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/cablage_1_led_pour_veilleuse_et_code_1_20210617_1944368340-769x1024.jpg 769w, https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/cablage_1_led_pour_veilleuse_et_code_1_20210617_1944368340-225x300.jpg 225w, https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/cablage_1_led_pour_veilleuse_et_code_1_20210617_1944368340-768x1023.jpg 768w, https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/cablage_1_led_pour_veilleuse_et_code_1_20210617_1944368340.jpg 890w\" sizes=\"auto, (max-width: 769px) 100vw, 769px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Attention : le cumul des courants que laissent passer les r\u00e9sistances ne doit pas \u00eatre sup\u00e9rieur \u00e0 20mA.<\/em><\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Et dans le cas d&rsquo;une utilisation commune de la led pour les veilleuses et les freins, voici le c\u00e2blage \u00e0 r\u00e9aliser :<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6ab9b47f5dfaa&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6ab9b47f5dfaa\" class=\"wp-block-image size-large is-style-custom-fixed-height wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"977\" height=\"1024\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/utiliser_une_led_pour_2_fonctions_declairage_1_20230228_1166799973-977x1024.jpg\" alt=\"Utiliser une led pour 2 fonctions d'\u00e9clairage_1\" class=\"wp-image-36354\" srcset=\"https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/utiliser_une_led_pour_2_fonctions_declairage_1_20230228_1166799973-977x1024.jpg 977w, https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/utiliser_une_led_pour_2_fonctions_declairage_1_20230228_1166799973-286x300.jpg 286w, https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/utiliser_une_led_pour_2_fonctions_declairage_1_20230228_1166799973-768x805.jpg 768w, https:\/\/tecnimodel.com\/blog\/wp-content\/uploads\/2026\/03\/utiliser_une_led_pour_2_fonctions_declairage_1_20230228_1166799973.jpg 1226w\" sizes=\"auto, (max-width: 977px) 100vw, 977px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour calculer la bonne valeur d&rsquo;une r\u00e9sistance, consultez l&rsquo;article suivant : <a href=\"https:\/\/tecnimodel.com\/blog\/calculer-la-valeur-d-une-resistance-pour-l-installation-d-une-led\/\" data-type=\"post\" data-id=\"30665\" target=\"_blank\" rel=\"noreferrer noopener\">Calculer la valeur d&rsquo;une r\u00e9sistance pour l&rsquo;installation d&rsquo;une led<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vous pouvez retrouver nos r\u00e9sistances en cliquant <a href=\"https:\/\/www.tecnimodel.com\/recherche?controller=search&amp;orderby=position&amp;orderway=desc&amp;search_query=RETM0000&amp;submit_search=\" target=\"_blank\" rel=\"noopener\">ici<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sur certains mod\u00e8les compacts, il peut \u00eatre int\u00e9ressant d&rsquo;utiliser une seule led pour 2 fonctions d&rsquo;\u00e9clairage.<br \/>\nCe cas peut se pr\u00e9senter sur des feux arri\u00e8re, o\u00f9 la led rouge remplira les fonctions de veilleuses et de feux de stop. Ou pour des feux avant, o\u00f9 une led blanche alliera les fonctions veilleuses et feux de croisement, ou encore un projecteur avec 2 luminosit\u00e9s.<\/p>\n","protected":false},"author":14,"featured_media":36352,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"0","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[254],"tags":[],"class_list":["post-30666","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-trucs-et-astuces-camions-rc"],"_links":{"self":[{"href":"https:\/\/tecnimodel.com\/blog\/wp-json\/wp\/v2\/posts\/30666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tecnimodel.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tecnimodel.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tecnimodel.com\/blog\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/tecnimodel.com\/blog\/wp-json\/wp\/v2\/comments?post=30666"}],"version-history":[{"count":14,"href":"https:\/\/tecnimodel.com\/blog\/wp-json\/wp\/v2\/posts\/30666\/revisions"}],"predecessor-version":[{"id":40254,"href":"https:\/\/tecnimodel.com\/blog\/wp-json\/wp\/v2\/posts\/30666\/revisions\/40254"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tecnimodel.com\/blog\/wp-json\/wp\/v2\/media\/36352"}],"wp:attachment":[{"href":"https:\/\/tecnimodel.com\/blog\/wp-json\/wp\/v2\/media?parent=30666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tecnimodel.com\/blog\/wp-json\/wp\/v2\/categories?post=30666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tecnimodel.com\/blog\/wp-json\/wp\/v2\/tags?post=30666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}