{"id":10230,"date":"2025-04-04T23:50:34","date_gmt":"2025-04-04T21:50:34","guid":{"rendered":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/?page_id=10230"},"modified":"2026-01-09T18:03:14","modified_gmt":"2026-01-09T17:03:14","slug":"rele-songle-srd-05vdc-sl-c","status":"publish","type":"page","link":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/steam\/recursos-steam\/rele-songle-srd-05vdc-sl-c\/","title":{"rendered":"Rel\u00e9 SONGLE SRD-05VDC-SL-C"},"content":{"rendered":"<p><strong>Qu\u00e8 \u00e9s un rel\u00e9?<\/strong><\/p>\n<p>El rel\u00e9 \u00e9s com un interruptor autom\u00e0tic que es controla amb un senyal el\u00e8ctric de baixa pot\u00e8ncia (com el d\u2019una micro:bit o un Arduino) i permet activar dispositius que necessiten m\u00e9s tensi\u00f3 o corrent.<\/p>\n<p><strong>El rel\u00e9 SONGLE SRD-05VDC-SL-C<\/strong><\/p>\n<p>Aquest rel\u00e9 en concret:<\/p>\n<ul>\n<li>Funciona amb 5 V per activar-se (aix\u00f2 vol dir que el pots encendre amb micro:bit + microshield, Arduino&#8230;).<\/li>\n<li style=\"text-align: left;\">Pot encendre\/apagar aparells que funcionin amb corrents molt m\u00e9s altes, com una bomba de 12 V \u00f3 fins i tot de 230 V (amb precauci\u00f3 i nom\u00e9s si un adult ho controla).<\/li>\n<\/ul>\n<table class=\" aligncenter\" style=\"border-collapse: collapse; width: 74.5491%;\">\n<tbody>\n<tr>\n<td style=\"width: 31.5296%;\"><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Rele-senal-0v-5v.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10233 aligncenter\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Rele-senal-0v-5v.jpg\" alt=\"\" width=\"188\" height=\"151\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Rele-senal-0v-5v.jpg 583w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Rele-senal-0v-5v-300x241.jpg 300w\" sizes=\"auto, (max-width: 188px) 100vw, 188px\" \/><\/a><\/td>\n<td style=\"width: 48.2473%;\"><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Rele-normaly-open.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10234 aligncenter\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Rele-normaly-open.jpg\" alt=\"\" width=\"187\" height=\"143\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Rele-normaly-open.jpg 583w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Rele-normaly-open-300x228.jpg 300w\" sizes=\"auto, (max-width: 187px) 100vw, 187px\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 31.5296%;\">Pins de control, (Senyals que venen de la micro:bit)<\/p>\n<ul>\n<li>DC+ s\u00f3n els 5 V, fil vermell<\/li>\n<li>DC- \u00e9s el GND, fil negre, i<\/li>\n<li>IN, \u00e9s la senyal, fil groc<\/li>\n<\/ul>\n<\/td>\n<td style=\"width: 48.2473%;\">Pins de pot\u00e8ncia. (Controla, per exemple, el funcionament d&#8217;una bomba d&#8217;aigua)<\/p>\n<ul>\n<li>COM (com\u00fa): la part central, on entra l\u2019energia per la bomba la magneto v\u00e0lvula<\/li>\n<li>NO (normalment <span style=\"font-family: inherit; font-size: 1em;\">obert): est\u00e0 desconnectat fins que el rel\u00e9 s\u2019activa.<\/span><\/li>\n<li>NC (normalment tancat): est\u00e0 connectat mentre el rel\u00e9 NO est\u00e0 actiu<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\">Nota: Aquest rel\u00e9 t\u00e9 un LED verd que s&#8217;enc\u00e9n quan rep els 5 V i el GND de la placa microshield, tamb\u00e9 te un LED vermell que s&#8217;enc\u00e9n quan rep de la micro:bit l&#8217;ordre d&#8217;activar l&#8217;imant (senyal, cable groc) per tancar d&#8217;interruptors de pot\u00e8ncia.<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Jumper.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10237 aligncenter\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Jumper.jpg\" alt=\"\" width=\"182\" height=\"311\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Jumper.jpg 385w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Jumper-176x300.jpg 176w\" sizes=\"auto, (max-width: 182px) 100vw, 182px\" \/><\/a><\/p>\n<p>Rel\u00e9 SONGLE SRD-05VDC-SL-C tamb\u00e9 te un selector de dos opcions (jumper \/ pont). Si el selector est\u00e0 en la posici\u00f3 <strong>H (high)<\/strong> est\u00e0 indicant a la electr\u00f2nica que controla el rel\u00e9 que la senyal ser\u00e0 verdadera <strong>si en el programari de la micro:bit s&#8217;ha seleccionat un valor igual a 1<\/strong>. Si, al contrari, el selector est\u00e0 en <strong data-start=\"467\" data-end=\"478\">L (LOW)<\/strong>, l\u2019electr\u00f2nica considerar\u00e0 la condici\u00f3 verdadera quan a la micro:bit <strong data-start=\"548\" data-end=\"584\">es quan es programa un valor igual a 0 a la micro:bit<\/strong><\/p>\n<p>Nosaltres sempre seleccionarem el valor a H<\/p>\n<p style=\"text-align: left;\">Altres consideracions\u00a0 f\u00edsiques (Hardware) i l\u00f2giques (programari) a considerar:<\/p>\n<table class=\" aligncenter\" style=\"border-collapse: collapse; width: 55.5986%;\">\n<tbody>\n<tr>\n<td style=\"width: 31.3626%;\"><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/microshield.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10240\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/microshield.jpg\" alt=\"\" width=\"358\" height=\"286\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/microshield.jpg 723w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/microshield-300x240.jpg 300w\" sizes=\"auto, (max-width: 358px) 100vw, 358px\" \/><\/a><\/td>\n<td style=\"width: 24.2365%;\"><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/pines-12-a-15.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10241 aligncenter\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/pines-12-a-15.jpg\" alt=\"\" width=\"273\" height=\"252\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/pines-12-a-15.jpg 913w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/pines-12-a-15-300x277.jpg 300w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/pines-12-a-15-768x709.jpg 768w\" sizes=\"auto, (max-width: 273px) 100vw, 273px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\">Un exemple de programaci\u00f3\u00a0 i muntatge seria:<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/programacion.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10242\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/programacion-1024x161.jpg\" alt=\"\" width=\"795\" height=\"125\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/programacion-1024x161.jpg 1024w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/programacion-300x47.jpg 300w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/programacion-768x120.jpg 768w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/programacion-1536x241.jpg 1536w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/programacion.jpg 2034w\" sizes=\"auto, (max-width: 795px) 100vw, 795px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/montage.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10244 aligncenter\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/montage.jpg\" alt=\"\" width=\"419\" height=\"502\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/montage.jpg 790w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/montage-251x300.jpg 251w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/montage-768x920.jpg 768w\" sizes=\"auto, (max-width: 419px) 100vw, 419px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Reg-manual-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10269 aligncenter\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Reg-manual-1.jpg\" alt=\"\" width=\"437\" height=\"469\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Reg-manual-1.jpg 876w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Reg-manual-1-280x300.jpg 280w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2025\/04\/Reg-manual-1-768x824.jpg 768w\" sizes=\"auto, (max-width: 437px) 100vw, 437px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<h3 data-start=\"704\" data-end=\"784\">Justificaci\u00f3 de l\u2019\u00fas d\u2019un rel\u00e9 per controlar una bomba d\u2019aigua amb micro:bit<\/h3>\n<p data-start=\"786\" data-end=\"987\">Quan volem automatitzar el reg d\u2019una planta amb una bomba d\u2019aigua controlada per una placa micro:bit, hem de tenir en compte un aspecte molt important: <strong data-start=\"938\" data-end=\"986\">la pot\u00e8ncia el\u00e8ctrica que necessita la bomba<\/strong>.<\/p>\n<p data-start=\"989\" data-end=\"1193\">Les bombes d\u2019aigua petites solen funcionar a <strong data-start=\"1034\" data-end=\"1048\">5 V o 12 V<\/strong> i necessiten bastanta energia. Per exemple, una bomba de <strong data-start=\"1106\" data-end=\"1119\">5 V i 3 W<\/strong> necessita un corrent d\u2019uns <strong data-start=\"1147\" data-end=\"1165\">0,6 A (600 mA)<\/strong> per funcionar correctament.<\/p>\n<p data-start=\"1195\" data-end=\"1354\">La micro:bit, en canvi, nom\u00e9s pot enviar <strong data-start=\"1236\" data-end=\"1269\">petites quantitats de corrent<\/strong> pels seus pins (entre <strong data-start=\"1292\" data-end=\"1305\">5 i 10 mA<\/strong>). Aix\u00f2 \u00e9s molt menys del que necessita la bomba.<\/p>\n<p data-start=\"1356\" data-end=\"1441\">Per aquest motiu, <strong data-start=\"1374\" data-end=\"1432\">no podem connectar la bomba directament a la micro:bit<\/strong>, perqu\u00e8:<\/p>\n<ul data-start=\"1442\" data-end=\"1533\">\n<li data-start=\"1442\" data-end=\"1473\">\n<p data-start=\"1444\" data-end=\"1473\">Es podria fer malb\u00e9 la placa.<\/p>\n<\/li>\n<li data-start=\"1442\" data-end=\"1473\">\n<p data-start=\"1444\" data-end=\"1473\">La bomba no funcionaria b\u00e9.<\/p>\n<\/li>\n<li data-start=\"1504\" data-end=\"1533\">\n<p data-start=\"1506\" data-end=\"1533\">El muntatge no seria segur.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1535\" data-end=\"1778\">Per solucionar aquest problema, utilitzem <strong data-start=\"1577\" data-end=\"1588\">un rel\u00e9<\/strong>. El rel\u00e9 \u00e9s com un <strong data-start=\"1608\" data-end=\"1633\">interruptor autom\u00e0tic<\/strong> que es pot activar amb un senyal petit de la micro:bit, per\u00f2 que pot controlar aparells que necessiten molta m\u00e9s energia, com una bomba d\u2019aigua.<\/p>\n<p data-start=\"1780\" data-end=\"1810\">El funcionament \u00e9s el seg\u00fcent:<\/p>\n<ul data-start=\"1811\" data-end=\"2076\">\n<li data-start=\"1811\" data-end=\"1881\">\n<p data-start=\"1813\" data-end=\"1881\">La micro:bit envia un senyal (per exemple, un valor alt al pin P12).<\/p>\n<\/li>\n<li data-start=\"1882\" data-end=\"1913\">\n<p data-start=\"1884\" data-end=\"1913\">Aquest senyal activa el rel\u00e9.<\/p>\n<\/li>\n<li data-start=\"1914\" data-end=\"1968\">\n<p data-start=\"1916\" data-end=\"1968\">El rel\u00e9 connecta la font d\u2019alimentaci\u00f3 amb la bomba.<\/p>\n<\/li>\n<li data-start=\"1969\" data-end=\"1989\">\n<p data-start=\"1971\" data-end=\"1989\">La bomba s\u2019engega.<\/p>\n<\/li>\n<li data-start=\"1990\" data-end=\"2076\">\n<p data-start=\"1992\" data-end=\"2076\">Quan la micro:bit deixa d\u2019enviar el senyal, el rel\u00e9 es desactiva i la bomba s\u2019atura.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2078\" data-end=\"2285\">D\u2019aquesta manera, <strong data-start=\"2096\" data-end=\"2160\">el rel\u00e9 separa el circuit de control del circuit de pot\u00e8ncia<\/strong>, cosa que permet controlar la bomba de manera <strong data-start=\"2207\" data-end=\"2217\">segura<\/strong>.<br data-start=\"2218\" data-end=\"2221\" \/>A m\u00e9s, <strong data-start=\"2228\" data-end=\"2284\">protegeix tant la micro:bit com la placa microShield<\/strong>.<\/p>\n<h3 data-start=\"704\" data-end=\"784\">Control d\u2019una electrov\u00e0lvula (magnetov\u00e0lvula) amb micro:bit<\/h3>\n<p><strong>Qu\u00e8 \u00e9s una electrov\u00e0lvula?<\/strong><\/p>\n<p>Una <strong>electrov\u00e0lvula<\/strong> (o magnetov\u00e0lvula) \u00e9s una v\u00e0lvula que <strong>obre o tanca el pas de l\u2019aigua quan rep electricitat<\/strong>.<\/p>\n<ul>\n<li>Quan rep corrent, s\u2019obre i deixa passar l\u2019aigua.<\/li>\n<li>Quan no rep corrent, es tanca i l\u2019aigua no passa.<\/li>\n<\/ul>\n<p>Les electrov\u00e0lvules s\u2019utilitzen molt en <strong>sistemes de reg autom\u00e0tic.<\/strong><\/p>\n<p><strong>Per qu\u00e8 no la podem connectar directament a la micro:bit?<\/strong><\/p>\n<p>Igual que passa amb la bomba d\u2019aigua:<\/p>\n<ul>\n<li>L\u2019electrov\u00e0lvula necessita m\u00e9s corrent (normalment 12 V).<\/li>\n<li>La micro:bit nom\u00e9s pot donar senyals molt petits.<\/li>\n<\/ul>\n<p>Si la connectem directament, la micro:bit es podria fer malb\u00e9.<\/p>\n<p>Per aix\u00f2 utilitzem un rel\u00e9.<\/p>\n<p><strong>Quin paper fa el rel\u00e9?<\/strong><\/p>\n<p>El rel\u00e9 funciona com un interruptor autom\u00e0tic:<\/p>\n<ul>\n<li>La micro:bit controla el rel\u00e9 amb un senyal petit.<\/li>\n<li>El rel\u00e9 obre o tanca el pas de l\u2019electricitat cap a l\u2019electrov\u00e0lvula.<\/li>\n<li>Aix\u00ed, l\u2019aigua s\u2019obre i es tanca de manera segura.<\/li>\n<\/ul>\n<p><strong>Com es connecta el sistema (explicat pas a pas)<\/strong><br \/>\n1\ufe0f\u20e3 <strong>Connexions de control (part segura)<\/strong><\/p>\n<p>Aquesta part \u00e9s la que va amb la micro:bit \/ microshield:<\/p>\n<ul>\n<li>DC+ \u2192 5 V de la microShield<\/li>\n<li>DC- \u2192 GND<\/li>\n<li>IN \u2192 un pin de la micro:bit (per exemple, P12)<\/li>\n<\/ul>\n<p>Aquesta part <strong>nom\u00e9s envia ordres<\/strong>, no mou l\u2019aigua.<\/p>\n<p>2\ufe0f\u20e3 <strong>Connexions de pot\u00e8ncia (electrov\u00e0lvula)<\/strong><\/p>\n<p>Aquesta part controla l\u2019aigua:<\/p>\n<ul>\n<li>Un cable de la font de 12 V va directament a l\u2019electrov\u00e0lvula.<\/li>\n<li>L\u2019altre cable de l\u2019electrov\u00e0lvula passa pel rel\u00e9:\n<ul>\n<li>COM \u2192 cable de la font<\/li>\n<li>NO \u2192 cable cap a l\u2019electrov\u00e0lvula<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Normalment s\u2019utilitza NO (normalment obert) perqu\u00e8:<\/p>\n<ul>\n<li>Sense corrent \u2192 l\u2019aigua est\u00e0 tancada<\/li>\n<li>Amb corrent \u2192 l\u2019aigua s\u2019obre<\/li>\n<\/ul>\n<p><strong>Com funciona tot plegat?<\/strong><\/p>\n<ol>\n<li>La micro:bit envia un senyal (per exemple, quan el sensor detecta terra seca).<\/li>\n<li>El rel\u00e9 s\u2019activa.<\/li>\n<li>El rel\u00e9 deixa passar l\u2019electricitat cap a l\u2019electrov\u00e0lvula.<\/li>\n<li>L\u2019electrov\u00e0lvula s\u2019obre.<\/li>\n<li>L\u2019aigua rega les plantes.<\/li>\n<li>La micro:bit deixa d\u2019enviar el senyal.<\/li>\n<li>El rel\u00e9 es desactiva.<\/li>\n<li>L\u2019electrov\u00e0lvula es tanca i l\u2019aigua s\u2019atura.<\/li>\n<\/ol>\n<p><strong>Per qu\u00e8 \u00e9s un sistema segur?<\/strong><\/p>\n<ul>\n<li>La micro:bit no toca l\u2019aigua ni els 12 V.<\/li>\n<li>El rel\u00e9 separa el circuit de control del circuit de pot\u00e8ncia.<\/li>\n<li>Es protegeixen la micro:bit i la microShield.<\/li>\n<\/ul>\n<p><strong>Idea clau per a l\u2019alumnat\u00a0<\/strong><\/p>\n<p>La micro:bit pensa i decideix, el rel\u00e9 ejecuta l&#8217;ordre i l\u2019electrov\u00e0lvula obre o tanca l\u2019aigua.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/01\/magneto-valvula.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10768 aligncenter\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/01\/magneto-valvula-1024x624.jpg\" alt=\"\" width=\"829\" height=\"505\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/01\/magneto-valvula-1024x624.jpg 1024w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/01\/magneto-valvula-300x183.jpg 300w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/01\/magneto-valvula-768x468.jpg 768w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/01\/magneto-valvula-1536x936.jpg 1536w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/01\/magneto-valvula.jpg 1669w\" sizes=\"auto, (max-width: 829px) 100vw, 829px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qu\u00e8 \u00e9s un rel\u00e9? El rel\u00e9 \u00e9s com un interruptor autom\u00e0tic que es controla amb un senyal el\u00e8ctric de baixa pot\u00e8ncia (com el d\u2019una micro:bit o un Arduino) i permet activar dispositius que necessiten m\u00e9s tensi\u00f3 o corrent. El rel\u00e9 SONGLE SRD-05VDC-SL-C Aquest rel\u00e9 en concret: Funciona amb 5 V per activar-se (aix\u00f2 vol dir [&hellip;]<\/p>\n","protected":false},"author":36,"featured_media":0,"parent":8967,"menu_order":55,"comment_status":"closed","ping_status":"closed","template":"page-templates\/side-menu.php","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"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":""},"class_list":["post-10230","page","type-page","status-publish","hentry"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-json\/wp\/v2\/pages\/10230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-json\/wp\/v2\/users\/36"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-json\/wp\/v2\/comments?post=10230"}],"version-history":[{"count":8,"href":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-json\/wp\/v2\/pages\/10230\/revisions"}],"predecessor-version":[{"id":10775,"href":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-json\/wp\/v2\/pages\/10230\/revisions\/10775"}],"up":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-json\/wp\/v2\/pages\/8967"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-json\/wp\/v2\/media?parent=10230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}