![\"Arduino](\"http:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2013\/03\/Arduino-RF-transmiter-315MHz.jpg\" "\\"\\"")
<\/a><\/p>\nIl ne faut pas trop en demander en terme de d\u00e9bit RS232. J’ai lu quelque part que le maximum est 2400 bauds. Pour les antennes, il semble qu’il faille utiliser un fil du quart de la longueur d’onde.<\/span><\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" Comment utiliser les modules 315MHz et 433 MHz Les modules sont vendus sans antennes Il ne faut pas trop en […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","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-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[3,4],"tags":[],"class_list":["post-161","post","type-post","status-publish","format-standard","hentry","category-arduino","category-raspberry-pi"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"arnaud","author_link":"https:\/\/www.raulet.net\/WP\/author\/arnaud\/"},"uagb_comment_info":0,"uagb_excerpt":"Comment utiliser les modules 315MHz et 433 MHz Les modules sont vendus sans antennes Il ne faut pas trop en […]","_links":{"self":[{"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/posts\/161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/comments?post=161"}],"version-history":[{"count":9,"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/posts\/161\/revisions"}],"predecessor-version":[{"id":303,"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/posts\/161\/revisions\/303"}],"wp:attachment":[{"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/media?parent=161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/categories?post=161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/tags?post=161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nPersonnellement, j’utilise actuellement des vitesses RS232 de 300 bits\/s en 8N1.<\/span><\/p>\n\n
\n \nFr\u00e9quence<\/th>\n 1\/4 de la longueur d’onde<\/th>\n<\/tr>\n<\/thead>\n \n 433 MHz<\/td>\n 17.25 cm<\/td>\n<\/tr>\n \n 315 MHz<\/td>\n 23.79 cm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n