{"id":10870,"date":"2026-03-17T17:21:50","date_gmt":"2026-03-17T16:21:50","guid":{"rendered":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/?page_id=10870"},"modified":"2026-04-08T10:45:54","modified_gmt":"2026-04-08T08:45:54","slug":"esp8266-modul-wifi","status":"publish","type":"page","link":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/steam\/recursos-steam\/esp8266-modul-wifi\/","title":{"rendered":"ESP8266 M\u00f2dul WiFi"},"content":{"rendered":"<h5 data-section-id=\"kwbk29\" data-start=\"119\" data-end=\"154\">Introducci\u00f3: micro:bit i WiFi<\/h5>\n<p data-start=\"156\" data-end=\"273\">La BBC micro:bit \u00e9s una petita placa que podem programar per fer projectes, com llegir sensors o controlar actuadors.\u00a0Per\u00f2 t\u00e9 una limitaci\u00f3 important: \u00a0<strong data-start=\"312\" data-end=\"339\">la micro:bit no t\u00e9 WiFi.\u00a0<\/strong>Aix\u00f2 vol dir que <strong data-start=\"358\" data-end=\"397\">no es pot connectar sola a Internet<\/strong>. Per poder fer-ho, necessita l\u2019ajuda d\u2019un altre dispositiu.<\/p>\n<h5 data-section-id=\"1bs5b87\" data-start=\"466\" data-end=\"497\">La soluci\u00f3: un m\u00f2dul WiFi<\/h5>\n<p data-start=\"499\" data-end=\"539\">Un bon exemple \u00e9s <strong>l\u2019ESP8266 WiFi Module.\u00a0<\/strong>Aquest m\u00f2dul permet que la micro:bit es pugui connectar a Internet.<\/p>\n<p data-start=\"643\" data-end=\"666\">Podem imaginar-ho aix\u00ed:<\/p>\n<ul data-start=\"668\" data-end=\"772\">\n<li data-section-id=\"1amvasd\" data-start=\"668\" data-end=\"715\">\n<p data-start=\"670\" data-end=\"715\"><strong data-start=\"673\" data-end=\"686\">micro:bit<\/strong> \u2192 pensa i decideix qu\u00e8 fer<\/p>\n<\/li>\n<li data-section-id=\"9hfhok\" data-start=\"716\" data-end=\"772\">\n<p data-start=\"718\" data-end=\"772\"><strong data-start=\"721\" data-end=\"732\">ESP8266<\/strong> \u2192 envia i rep informaci\u00f3 per Internet<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"774\" data-end=\"777\" \/>\n<h5 data-section-id=\"sibx5s\" data-start=\"779\" data-end=\"817\">Les dues connexions de l\u2019ESP8266<\/h5>\n<p data-start=\"819\" data-end=\"862\">L\u2019ESP8266 pot comunicar-se de dues maneres:<\/p>\n<h6 data-section-id=\"au7h5z\" data-start=\"864\" data-end=\"888\">1\ufe0f\u20e3 Amb la micro:bit<\/h6>\n<p data-start=\"889\" data-end=\"915\">Est\u00e0 connectat amb cables.\u00a0La micro:bit li envia ordres com:<\/p>\n<ul data-start=\"951\" data-end=\"1045\">\n<li data-section-id=\"1ofmtnk\" data-start=\"951\" data-end=\"992\">\n<p data-start=\"953\" data-end=\"992\">\u201cconnecta\u2019t al WiFi\u201d (bloc <strong data-start=\"980\" data-end=\"989\">Inici en makecode<\/strong>)<\/p>\n<\/li>\n<li data-section-id=\"1ofmtnk\" data-start=\"951\" data-end=\"992\">\n<p data-start=\"953\" data-end=\"992\">\u201cenvia aquesta informaci\u00f3\u201d (bloc <strong data-start=\"1028\" data-end=\"1042\">Per sempre en makecode<\/strong>)<\/p>\n<\/li>\n<\/ul>\n<h6 data-section-id=\"150x0pk\" data-start=\"1052\" data-end=\"1077\">2\ufe0f\u20e3 Amb la xarxa WiFi<\/h6>\n<p data-start=\"1078\" data-end=\"1144\">L\u2019ESP8266 es connecta a la xarxa WiFi, com un m\u00f2bil o una tauleta.<\/p>\n<p data-start=\"1146\" data-end=\"1155\">Aix\u00ed pot:<\/p>\n<ul data-start=\"1156\" data-end=\"1210\">\n<li data-section-id=\"1bgiuab\" data-start=\"1156\" data-end=\"1186\">\n<p data-start=\"1158\" data-end=\"1186\">enviar dades a Internet<\/p>\n<\/li>\n<\/ul>\n<h5 data-section-id=\"1bak7yh\" data-start=\"1217\" data-end=\"1242\">Exemple de projecte<\/h5>\n<p data-start=\"1244\" data-end=\"1268\">Imagina aquest projecte:<\/p>\n<ul data-start=\"1270\" data-end=\"1472\">\n<li data-section-id=\"1rnizzq\" data-start=\"1270\" data-end=\"1337\">\n<p data-start=\"1272\" data-end=\"1337\">la micro:bit mesura la temperatura, la humitat o la pressi\u00f3<\/p>\n<\/li>\n<li data-section-id=\"1nt57vn\" data-start=\"1338\" data-end=\"1374\">\n<p data-start=\"1340\" data-end=\"1374\">envia aquestes dades a l\u2019ESP8266<\/p>\n<\/li>\n<li data-section-id=\"1bikbwj\" data-start=\"1375\" data-end=\"1472\">\n<p data-start=\"1377\" data-end=\"1472\">l\u2019ESP8266 les envia a Internet, per exemple a la web de <span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">ThingSpeak IoT platform<\/span><\/span><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1474\" data-end=\"1606\">D\u2019aquesta manera, podem veure les dades des d\u2019un ordinador o un m\u00f2bil, <strong data-start=\"1550\" data-end=\"1605\">des de qualsevol lloc del m\u00f3n i en qualsevol moment<\/strong>.<\/p>\n<h5 data-section-id=\"rgdrwv\" data-start=\"92\" data-end=\"139\">Connexi\u00f3 del m\u00f2dul ESP8266 a la micro:bit<\/h5>\n<p data-start=\"141\" data-end=\"226\">En els nostres exercicis, la connexi\u00f3 es far\u00e0 mitjan\u00e7ant l\u2019extensi\u00f3 <strong data-start=\"209\" data-end=\"225\">micro:shield<\/strong>.<\/p>\n<table style=\"border-collapse: collapse; width: 92.6936%; height: 258px;\">\n<tbody>\n<tr>\n<td style=\"width: 28.8622%;\">\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/ESPO-connexions.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10878 aligncenter\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/ESPO-connexions.jpg\" alt=\"\" width=\"148\" height=\"89\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/ESPO-connexions.jpg 979w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/ESPO-connexions-300x179.jpg 300w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/ESPO-connexions-768x459.jpg 768w\" sizes=\"auto, (max-width: 148px) 100vw, 148px\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 100%;\"><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/esp-hard.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10880 aligncenter\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/esp-hard.jpg\" alt=\"\" width=\"139\" height=\"92\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/esp-hard.jpg 960w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/esp-hard-300x198.jpg 300w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/esp-hard-768x507.jpg 768w\" sizes=\"auto, (max-width: 139px) 100vw, 139px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<td style=\"width: 37.8044%;\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"444\" data-end=\"632\">\n<thead data-start=\"444\" data-end=\"470\">\n<tr data-start=\"444\" data-end=\"470\">\n<th class=\"\" style=\"width: 103.841px;\" data-start=\"444\" data-end=\"458\" data-col-size=\"sm\">Pin ESP8266<\/th>\n<th class=\"\" style=\"width: 199.296px;\" data-start=\"458\" data-end=\"470\" data-col-size=\"sm\">Pin micro:shield<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"496\" data-end=\"632\">\n<tr data-start=\"496\" data-end=\"540\">\n<td style=\"width: 103.841px;\" data-start=\"496\" data-end=\"509\" data-col-size=\"sm\">EN (enable)<\/td>\n<td style=\"width: 199.296px;\" data-col-size=\"sm\" data-start=\"509\" data-end=\"540\">\u2192 3.3 V \u2705 (activa el m\u00f2dul)<\/td>\n<\/tr>\n<tr data-start=\"541\" data-end=\"565\">\n<td style=\"width: 103.841px;\" data-start=\"541\" data-end=\"554\" data-col-size=\"sm\">3V3<\/td>\n<td style=\"width: 199.296px;\" data-col-size=\"sm\" data-start=\"554\" data-end=\"565\">\u2192 3.3 V<\/td>\n<\/tr>\n<tr data-start=\"566\" data-end=\"588\">\n<td style=\"width: 103.841px;\" data-start=\"566\" data-end=\"579\" data-col-size=\"sm\">GND<\/td>\n<td style=\"width: 199.296px;\" data-col-size=\"sm\" data-start=\"579\" data-end=\"588\">\u2192 GND<\/td>\n<\/tr>\n<tr data-start=\"589\" data-end=\"610\">\n<td style=\"width: 103.841px;\" data-start=\"589\" data-end=\"602\" data-col-size=\"sm\">TX<\/td>\n<td style=\"width: 199.296px;\" data-col-size=\"sm\" data-start=\"602\" data-end=\"610\">\u2192 P1 (RX)<\/td>\n<\/tr>\n<tr data-start=\"611\" data-end=\"632\">\n<td style=\"width: 103.841px;\" data-start=\"611\" data-end=\"624\" data-col-size=\"sm\">RX<\/td>\n<td style=\"width: 199.296px;\" data-start=\"624\" data-end=\"632\" data-col-size=\"sm\">\u2192 P0 (TX)\u00a0 &#8211; <strong>No BUZZER<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<td style=\"width: 33.3333%;\"><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/microshield-1-rotated.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10883\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/microshield-1-rotated.jpg\" alt=\"\" width=\"233\" height=\"242\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/microshield-1-rotated.jpg 708w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/microshield-1-289x300.jpg 289w\" sizes=\"auto, (max-width: 233px) 100vw, 233px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><\/div>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" style=\"text-align: left;\" tabindex=\"-1\">\n<p>Connexi\u00f3 del m\u00f2dul ESP8266 a la xarxa WIFI.<\/p>\n<p>El m\u00f2dul ESP8266 incorpora connectivitat <strong data-start=\"142\" data-end=\"159\">Wi-Fi 2.4 GHz<\/strong><\/p>\n<p>Extensi\u00f3 pel makecode.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" style=\"text-align: left;\" tabindex=\"-1\">\n<p>L&#8217;extensi\u00f3 recomenada per el makecode \u00e9s la ESP8266_ThingSpeak<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/esp-thingspeak.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10888 aligncenter\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/esp-thingspeak.jpg\" alt=\"\" width=\"207\" height=\"223\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/esp-thingspeak.jpg 610w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/esp-thingspeak-278x300.jpg 278w\" sizes=\"auto, (max-width: 207px) 100vw, 207px\" \/><\/a><\/p>\n<\/div>\n<div tabindex=\"-1\">I els blocs de programaci\u00f3 seran:<\/div>\n<\/div>\n<div tabindex=\"-1\"><\/div>\n<div tabindex=\"-1\"><a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/58189752-a642cd80-7ced-11e9-8557-3be87aa795fa.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10889 aligncenter\" src=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/58189752-a642cd80-7ced-11e9-8557-3be87aa795fa-1024x963.png\" alt=\"\" width=\"560\" height=\"526\" srcset=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/58189752-a642cd80-7ced-11e9-8557-3be87aa795fa-1024x963.png 1024w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/58189752-a642cd80-7ced-11e9-8557-3be87aa795fa-300x282.png 300w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/58189752-a642cd80-7ced-11e9-8557-3be87aa795fa-768x723.png 768w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/58189752-a642cd80-7ced-11e9-8557-3be87aa795fa-1536x1445.png 1536w, https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-content\/uploads\/usu311\/2026\/03\/58189752-a642cd80-7ced-11e9-8557-3be87aa795fa-2048x1927.png 2048w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/a><\/div>\n<div tabindex=\"-1\">\n<ul>\n<li data-section-id=\"m6xfrv\" data-start=\"595\" data-end=\"626\">\n<p data-start=\"597\" data-end=\"626\"><strong>SSID<\/strong> = nom de la xarxa WiFi, serveix per identificar a quin WiFi et vols connectar. Cada xarxa t\u00e9 el seu propi nom<\/p>\n<\/li>\n<li data-section-id=\"m6xfrv\" data-start=\"595\" data-end=\"626\">\n<p data-start=\"597\" data-end=\"626\"><strong style=\"font-family: inherit; font-size: 1em;\" data-start=\"591\" data-end=\"597\">PW<\/strong><span style=\"font-family: inherit; font-size: 1em;\"> = contrasenya. Paraula de pas.<\/span><\/p>\n<\/li>\n<li data-section-id=\"m6xfrv\" data-start=\"595\" data-end=\"626\"><strong data-start=\"26\" data-end=\"48\">api.thingspeak.com<\/strong> \u00e9s l\u2019adre\u00e7a d\u2019Internet que utilitza la plataforma <em><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">ThingSpeak IoT platform<\/span><\/span><\/em> per <strong data-start=\"141\" data-end=\"165\">rebre i enviar dades<\/strong>.<\/li>\n<\/ul>\n<p data-start=\"269\" data-end=\"355\">A la plataforma <span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">ThingSpeak IoT platform<\/span><\/span>, cada projecte (canal) t\u00e9 claus:<\/p>\n<ul data-start=\"357\" data-end=\"447\">\n<li data-section-id=\"1qgx576\" data-start=\"357\" data-end=\"402\">\n<p data-start=\"359\" data-end=\"402\"><strong data-start=\"362\" data-end=\"379\">Write API Key<\/strong> \u2192 per <strong data-start=\"386\" data-end=\"402\">enviar dades<\/strong><\/p>\n<\/li>\n<li data-section-id=\"1ar76kz\" data-start=\"403\" data-end=\"447\">\n<p data-start=\"405\" data-end=\"447\"><strong data-start=\"408\" data-end=\"424\">Read API Key<\/strong> \u2192 per <strong data-start=\"431\" data-end=\"447\">llegir dades<\/strong><\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Introducci\u00f3: micro:bit i WiFi<br \/>\nLa BBC micro:bit \u00e9s una petita placa que podem programar per fer projectes, com llegir sensors o controlar actuadors.\u00a0Per\u00f2 t\u00e9 una limitaci\u00f3 important: \u00a0la micro:bit no t\u00e9 WiFi.\u00a0Aix\u00f2 vol dir que no es pot connectar sola a Internet. Per poder fer-ho, necessita&hellip;  <a href=\"https:\/\/agora.xtec.cat\/ceipsesmondolo\/steam\/recursos-steam\/esp8266-modul-wifi\/\" title=\"Read ESP8266 M\u00f2dul WiFi\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":36,"featured_media":0,"parent":8967,"menu_order":35,"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,"footnotes":""},"class_list":["post-10870","page","type-page","status-publish","hentry"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-json\/wp\/v2\/pages\/10870","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=10870"}],"version-history":[{"count":6,"href":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-json\/wp\/v2\/pages\/10870\/revisions"}],"predecessor-version":[{"id":10893,"href":"https:\/\/agora.xtec.cat\/ceipsesmondolo\/wp-json\/wp\/v2\/pages\/10870\/revisions\/10893"}],"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=10870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}