{"id":28905,"date":"2026-05-12T15:27:49","date_gmt":"2026-05-12T15:27:49","guid":{"rendered":"https:\/\/retotech.fundacionendesa.org\/multisite\/?p=28905"},"modified":"2026-05-12T16:44:26","modified_gmt":"2026-05-12T16:44:26","slug":"1-funcionament-general","status":"publish","type":"post","link":"https:\/\/retotech.fundacionendesa.org\/multisite\/2026\/05\/12\/1-funcionament-general\/","title":{"rendered":"PROJECTE TASU &#8211; 1. Funcionament general"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\"><\/h1>\n\n\n\n<p>Tenim <strong>3 sensors<\/strong>: esquerre, central i dret.<\/p>\n\n\n\n<p>Cada sensor mesura la dist\u00e0ncia.<\/p>\n\n\n\n<p>El sensor amb la <strong>dist\u00e0ncia m\u00e9s petita<\/strong> indica la direcci\u00f3 de l\u2019intr\u00fas.<\/p>\n\n\n\n<p>El servo es mou a un angle predefinit:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Esquerra \u2192 45\u00b0<\/li>\n\n\n\n<li>Centre \u2192 90\u00b0<\/li>\n\n\n\n<li>Dreta \u2192 135\u00b0<\/li>\n<\/ul>\n\n\n\n<p>Si <strong>algun sensor detecta un intr\u00fas<\/strong> (p. ex. &lt; 300\u202fcm), el LED associat s\u2019enc\u00e9n.<\/p>\n\n\n\n<p>La torreta funciona com un <strong>radar<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>El servo pot girar de 0\u00b0 a 180\u00b0 (o 0\u2013160\u00b0 per seguretat mec\u00e0nica). Hi ha tres sensors ultras\u00f2nics (HC-SR04) col\u00b7locats amb un angle f\u00edsic entre ells (per exemple, 30\u00b0 o 45\u00b0): esquerre, central i dret.<\/li>\n\n\n\n<li>Cada sensor mesura la dist\u00e0ncia al mateix obstacle.<\/li>\n\n\n\n<li>El sensor que detecti la dist\u00e0ncia m\u00e9s petita ser\u00e0 el que \u201cveur\u00e0\u201d l\u2019obstacle m\u00e9s directament. Per tant, el servo girar\u00e0 cap a l\u2019angle associat a aquell sensor:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Esquerra \u2192 45\u00b0<\/li>\n\n\n\n<li>Centre \u2192 90\u00b0<\/li>\n\n\n\n<li>Dreta \u2192 135\u00b0<\/li>\n<\/ul>\n\n\n\n<p>Aix\u00f2 permet detectar la dist\u00e0ncia respecte l\u2019\u201dintr\u00fas\u201d i estimar angle aproximat (escalat entre els dos sensors).<\/p>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>A m\u00e9s, en cas que <strong>algun sensor detecti un intr\u00fas<\/strong> (en el nostre cas, que es trobi a una dist\u00e0ncia menor de 300\u202fcm), s\u2019encendr\u00e0 el LED associat amb aquell sensor. En cas que un sensor d\u2019ultrasons no <strong>detecti res<\/strong> (\u00e9s a dir, que la dist\u00e0ncia mesurada sigui igual o superior a 300 cm), aquest mateix LED romandr\u00e0 apagat.<\/li>\n\n\n\n<li>Arduino envia la parella <strong>(angle, dist\u00e0ncia)<\/strong> al m\u00f2bil.<\/li>\n\n\n\n<li>L\u2019app dibuixa un punt en un radar circular.<\/li>\n\n\n\n<li>Si la dist\u00e0ncia \u00e9s inferior a un llindar, la torreta pot:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Enviar una alerta.<\/li>\n\n\n\n<li>Encendre un LED.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Tenim 3 sensors: esquerre, central i dret. Cada sensor mesura la dist\u00e0ncia. El sensor amb la dist\u00e0ncia m\u00e9s petita indica<\/p>\n","protected":false},"author":6283,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-28905","post","type-post","status-publish","format-standard","hentry","category-blog-retotech"],"_links":{"self":[{"href":"https:\/\/retotech.fundacionendesa.org\/multisite\/wp-json\/wp\/v2\/posts\/28905"}],"collection":[{"href":"https:\/\/retotech.fundacionendesa.org\/multisite\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/retotech.fundacionendesa.org\/multisite\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/retotech.fundacionendesa.org\/multisite\/wp-json\/wp\/v2\/users\/6283"}],"replies":[{"embeddable":true,"href":"https:\/\/retotech.fundacionendesa.org\/multisite\/wp-json\/wp\/v2\/comments?post=28905"}],"version-history":[{"count":4,"href":"https:\/\/retotech.fundacionendesa.org\/multisite\/wp-json\/wp\/v2\/posts\/28905\/revisions"}],"predecessor-version":[{"id":28979,"href":"https:\/\/retotech.fundacionendesa.org\/multisite\/wp-json\/wp\/v2\/posts\/28905\/revisions\/28979"}],"wp:attachment":[{"href":"https:\/\/retotech.fundacionendesa.org\/multisite\/wp-json\/wp\/v2\/media?parent=28905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/retotech.fundacionendesa.org\/multisite\/wp-json\/wp\/v2\/categories?post=28905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/retotech.fundacionendesa.org\/multisite\/wp-json\/wp\/v2\/tags?post=28905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}