{"id":994,"date":"2025-05-03T22:20:14","date_gmt":"2025-05-03T20:20:14","guid":{"rendered":"https:\/\/www.du-man.net\/wordpress\/?p=994"},"modified":"2025-05-05T16:02:31","modified_gmt":"2025-05-05T14:02:31","slug":"chrono-vdr","status":"publish","type":"post","link":"https:\/\/www.du-man.net\/wordpress\/chrono-vdr\/","title":{"rendered":"chrono.vdr : Pr\u00e9sentation"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Qu&rsquo;est-ce que c&rsquo;est ?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C&rsquo;est une plateforme d&rsquo;enregistrement de donn\u00e9es totalement autonome bas\u00e9e sur un <strong>Raspberry  PI<\/strong>.<\/li>\n\n\n\n<li>Le Raspberry  PI est utilis\u00e9e comme Point d&rsquo;acc\u00e8s wifi\/radio par tous les capteurs.<\/li>\n\n\n\n<li>Les donn\u00e9es sont consultables en temps r\u00e9els par plusieurs terminaux.<\/li>\n\n\n\n<li>Aucun logiciel suppl\u00e9mentaire n&rsquo;est n\u00e9cessaire.<\/li>\n\n\n\n<li>C&rsquo;est un syst\u00e8me compact, sans fil, facilement transportable.<\/li>\n\n\n\n<li>Basse consommation : 12 heures d&rsquo;autonomie sur batterie.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-top is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chrono.vdr_-1.jpg\" alt=\"\" class=\"wp-image-1020\" width=\"341\" height=\"265\" srcset=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chrono.vdr_-1.jpg 800w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chrono.vdr_-1-300x234.jpg 300w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chrono.vdr_-1-768x600.jpg 768w\" sizes=\"auto, (max-width: 341px) 100vw, 341px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_rfid_graph-1024x606.png\" alt=\"\" class=\"wp-image-1049\" width=\"453\" height=\"268\" srcset=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_rfid_graph-1024x606.png 1024w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_rfid_graph-300x178.png 300w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_rfid_graph-768x454.png 768w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_rfid_graph.png 1489w\" sizes=\"auto, (max-width: 453px) 100vw, 453px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Que peut-on faire avec chrono.vdr ?<\/h3>\n\n\n\n<p><strong>chrono.vdr<\/strong> est pr\u00e9vu d\u00e8s le d\u00e9part pour cr\u00e9er <strong>des activit\u00e9s dans le domaine scolaire.<\/strong><br>La base de participants aux diff\u00e9rentes activit\u00e9s peut-\u00eatre import\u00e9e directement depuis Pronote.<br><br>Chaque <strong>activit\u00e9 <\/strong>contient un certain nombre de participants.<br>On peut associer aux participants (seuls ou en \u00e9quipe) un identifiant : <\/p>\n\n\n\n<p>1 &#8211; <strong>soit un num\u00e9ro de mat\u00e9riel<\/strong> : chaque participant r\u00e9alise des mesures physiques \u00e0 l&rsquo;aide d&rsquo;un microcontr\u00f4leur num\u00e9rot\u00e9 et de ses capteurs. Les mesures sont enregistr\u00e9es et visualisables \u00e0 travers une interface web sur plusieurs postes simultan\u00e9ment, <strong>Exemple <\/strong>:<strong> mesures physiques en sciences ou en technologie<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_id_tableau-1024x396.png\" alt=\"\" class=\"wp-image-1050\" width=\"884\" height=\"342\" srcset=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_id_tableau-1024x396.png 1024w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_id_tableau-300x116.png 300w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_id_tableau-768x297.png 768w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_id_tableau.png 1315w\" sizes=\"auto, (max-width: 884px) 100vw, 884px\" \/><\/figure>\n\n\n\n<p>2 &#8211; <strong>soit un tag RFID<\/strong> : chaque participant est associ\u00e9 \u00e0 un tag RFID unique. Il est alors assez simple de mettre en place un syst\u00e8me de <strong>chronom\u00e9trage pour des activit\u00e9s en EPS<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_rfid_tableau-1024x561.png\" alt=\"\" class=\"wp-image-1051\" width=\"873\" height=\"477\" srcset=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_rfid_tableau-1024x561.png 1024w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_rfid_tableau-300x164.png 300w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_rfid_tableau-768x421.png 768w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/chronovdr_rfid_tableau.png 1029w\" sizes=\"auto, (max-width: 873px) 100vw, 873px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Sur quoi l&rsquo;installer ?<\/h3>\n\n\n\n<p>Pour l&rsquo;instant l&rsquo;installation a \u00e9t\u00e9 test\u00e9e sur Raspberry 3,4 et 5 avec la derni\u00e8re version de Raspberry Pi OS 12 (BookWorm)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Qu&rsquo;est-ce qui est install\u00e9 ? <\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Un point d&rsquo;acc\u00e8s wifi avec routage vers la carte Ethernet.<\/li>\n\n\n\n<li>Un serveur WEB apache2 configur\u00e9 pour \u00e9couter sur les ports 80, 8080 et 3000<\/li>\n\n\n\n<li>Un serveur de donn\u00e9e MariaDB et la base de donn\u00e9es de chrono.vdr<\/li>\n\n\n\n<li>L&rsquo;\u00e9diteur de base de donn\u00e9es phpmyadmin. <a href=\"http:\/\/adresseip\/phpmyadmin\">http:\/\/adresse_ip\/phpmyadmin<\/a><\/li>\n\n\n\n<li>L&rsquo;application chrono.vdr<\/li>\n\n\n\n<li>Les librairies JavaScript permettant de visualiser les donn\u00e9es sous forme graphique.<\/li>\n\n\n\n<li>Une liaison s\u00e9rie USB avec les cartes Micro:bit, \u00e9crite en Python.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Comment l&rsquo;installer ? <\/h3>\n\n\n\n<p>C&rsquo;est <a href=\"https:\/\/www.du-man.net\/wordpress\/chrono-vdr-installation\/\">ici<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Comment r\u00e9aliser la connexion avec Micro:bit ?<\/h3>\n\n\n\n<p>C&rsquo;est <a href=\"https:\/\/www.du-man.net\/wordpress\/chrono-vdr-microbit\/\">ici<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Comment y acc\u00e9der ?<\/h3>\n\n\n\n<p>\u00c0 partir d&rsquo;une d&rsquo;un PC ou d&rsquo;une tablette en wifi, se connecter au <strong>Raspberry  PI<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>SSID : chrono.vdr<br>Mot de passe : 12345678<\/p>\n\n\n\n<p>Sur un navigateur : <br>http:\/\/172.16.1.1<\/p>\n\n\n\n<p>En bas de la page, les param\u00e8tres r\u00e9seau sont r\u00e9sum\u00e9s.<\/p>\n\n\n\n<p>Sur toutes les machines du r\u00e9seau local : <br>http:\/\/192.168.1.113<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-15.png\" alt=\"\" class=\"wp-image-1068\" width=\"394\" height=\"197\" srcset=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-15.png 418w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-15-300x150.png 300w\" sizes=\"auto, (max-width: 394px) 100vw, 394px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Comment l&rsquo;administrer ?<\/h3>\n\n\n\n<p>Le cadenas permet de d\u00e9bloquer l&rsquo;interface d&rsquo;administration.<br>Si les donn\u00e9es sont consult\u00e9es depuis plusieurs postes.<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color\">I<strong>l est recommand\u00e9 de n&rsquo;utiliser l&rsquo;interface d&rsquo;administration sur un seul poste !<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-14.png\" alt=\"\" class=\"wp-image-1067\" width=\"375\" height=\"185\" srcset=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-14.png 445w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-14-300x148.png 300w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Importer des noms<\/h3>\n\n\n\n<p>Dans <strong>chrono.vdr<\/strong>, les enregistrements de donn\u00e9es sont rattach\u00e9s \u00e0 des noms.<\/p>\n\n\n\n<p>Les noms peuvent \u00eatre des noms d&rsquo;\u00e9l\u00e8ves import\u00e9s directement depuis Pronote au format CSV.<\/p>\n\n\n\n<p>Les noms ne sont pas supprim\u00e9s lors d&rsquo;importations successives. Les classes\/groupes sont mises \u00e0 jour<\/p>\n\n\n\n<p>Les \u00e9l\u00e8ves qui ne sont plus affect\u00e9s \u00e0 aucune classe sont rattach\u00e9s \u00e0 une corbeille, ce qui permet de ne pas supprimer les enregistrements de donn\u00e9e associ\u00e9s.<\/p>\n\n\n\n<p>Il est possible de cr\u00e9er des fichiers CSV pour l&rsquo;importation<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les descripteurs obligatoires sont <strong>nom,prenom,classe<\/strong><\/li>\n\n\n\n<li>Des descripteurs facultatifs ne sont utilis\u00e9s que pour un traitement ult\u00e9rieur des donn\u00e9es :<strong> nais,sexe<\/strong><\/li>\n\n\n\n<li>Si le descripteur <strong>nais<\/strong> n&rsquo;est pas pr\u00e9sent, la date 01\/01\/2000 est utilis\u00e9e<\/li>\n\n\n\n<li>Si le descripteur <strong>sexe<\/strong> n&rsquo;est pas pr\u00e9sent, c&rsquo;est M qui est utilis\u00e9<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-17.png\" alt=\"\" class=\"wp-image-1080\" width=\"317\" height=\"117\" srcset=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-17.png 517w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-17-300x111.png 300w\" sizes=\"auto, (max-width: 317px) 100vw, 317px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"606\" height=\"329\" src=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-18.png\" alt=\"\" class=\"wp-image-1083\" srcset=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-18.png 606w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-18-300x163.png 300w\" sizes=\"auto, (max-width: 606px) 100vw, 606px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"548\" height=\"543\" src=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/cronovdr_import.png\" alt=\"\" class=\"wp-image-1092\" srcset=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/cronovdr_import.png 548w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/cronovdr_import-300x297.png 300w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/cronovdr_import-150x150.png 150w\" sizes=\"auto, (max-width: 548px) 100vw, 548px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"565\" height=\"99\" src=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-19.png\" alt=\"\" class=\"wp-image-1094\" srcset=\"https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-19.png 565w, https:\/\/www.du-man.net\/wordpress\/wp-content\/uploads\/2025\/05\/image-19-300x53.png 300w\" sizes=\"auto, (max-width: 565px) 100vw, 565px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Comment mettre en place des activit\u00e9s ?<\/h3>\n\n\n\n<p>C&rsquo;est <a href=\"https:\/\/www.du-man.net\/wordpress\/chrono-vdr-creer-une-activite\/\" data-type=\"page\">ici<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Comment enregistrer des donn\u00e9es ?<\/h3>\n\n\n\n<p>C&rsquo;est <a href=\"https:\/\/www.du-man.net\/wordpress\/chrono-vdr-enregistrer-des-donnees\">ici<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qu&rsquo;est-ce que c&rsquo;est ? Que peut-on faire avec chrono.vdr ? chrono.vdr est pr\u00e9vu d\u00e8s le d\u00e9part pour cr\u00e9er des activit\u00e9s dans le domaine scolaire.La base &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-994","post","type-post","status-publish","format-standard","hentry","category-rasppberrypi"],"_links":{"self":[{"href":"https:\/\/www.du-man.net\/wordpress\/wp-json\/wp\/v2\/posts\/994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.du-man.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.du-man.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.du-man.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.du-man.net\/wordpress\/wp-json\/wp\/v2\/comments?post=994"}],"version-history":[{"count":31,"href":"https:\/\/www.du-man.net\/wordpress\/wp-json\/wp\/v2\/posts\/994\/revisions"}],"predecessor-version":[{"id":1230,"href":"https:\/\/www.du-man.net\/wordpress\/wp-json\/wp\/v2\/posts\/994\/revisions\/1230"}],"wp:attachment":[{"href":"https:\/\/www.du-man.net\/wordpress\/wp-json\/wp\/v2\/media?parent=994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.du-man.net\/wordpress\/wp-json\/wp\/v2\/categories?post=994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.du-man.net\/wordpress\/wp-json\/wp\/v2\/tags?post=994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}