{"id":140,"date":"2021-07-11T16:57:49","date_gmt":"2021-07-11T16:57:49","guid":{"rendered":"http:\/\/imported-84"},"modified":"2021-07-11T16:57:49","modified_gmt":"2021-07-11T16:57:49","slug":"accendere-un-led-da-tastiera","status":"publish","type":"post","link":"http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/","title":{"rendered":"Accendere un LED da tastiera"},"content":{"rendered":"

Il comando di accensione del LED non sar\u00e0 dato da un pulsante, bens\u00ec dalla tastiera del computer.<\/span><\/p>\n

Prendiamo un LED e colleghiamolo alle porte adiacenti 13 e GND di Arduino rispettando le polarit\u00e0.<\/span><\/p>\n

 <\/p>\n

Algoritmo in linguaggio naturale<\/span><\/strong><\/p>\n

Configurazione<\/span><\/strong><\/p>\n

   Imposta la 13 come porta di uscita;<\/span><\/code><\/p>\n

   Attiva la comunicazione seriale con il monitor ad una velocit\u00e0 di 9600 bit al secondo;<\/span><\/code><\/p>\n

Ciclo<\/span><\/strong><\/p>\n

   Solo Se<\/strong> sono stati inviati dati dalla linea di input del monitor seriale allora<\/span><\/code><\/p>\n

      memorizza il dato disponibile nella variabile intera comando<\/em>;<\/span><\/code><\/p>\n

      Se<\/strong> la variabile comando<\/em> == \u2018a\u2019 allora<\/span><\/code><\/p>\n

         eroga 5V dal pin 13;<\/span><\/code><\/p>\n

         scrivi sul monitor \u201cLED acceso\u201d;<\/span><\/code><\/p>\n

      Se<\/strong> comando<\/em> == \u2018s\u2019 allora<\/span><\/code><\/p>\n

         eroga 0V dal pin 13<\/span><\/code><\/p>\n

         scrivi sul monitor \u201cLED spento\u201d<\/span><\/code><\/p>\n

 <\/p>\n

Codice<\/p>\n

<\/span><\/strong><\/p>\n\n\n\n\n
\n

Configurazione<\/span><\/strong><\/p>\n

Imposta la 13 come porta di uscita;<\/span><\/code><\/p>\n

Attiva la comunicazione seriale con il monitor ad una velocit\u00e0 di 9600 bit al secondo;<\/span><\/code><\/p>\n

  <\/td>\n

\n

void setup() {<\/span><\/code><\/p>\n

   pinMode(13, OUTPUT);<\/span><\/code><\/p>\n

   Serial.begin(9600 );<\/span><\/code>
}<\/span>  <\/code><\/p>\n<\/td>\n<\/tr>\n

\n

Ciclo<\/span><\/strong><\/p>\n

Solo Se<\/strong> sono stati inviati dati dalla linea di input del monitor seriale allora<\/span><\/code><\/p>\n

memorizza il dato disponibile nella variabile intera comando<\/em>;<\/span><\/code><\/p>\n

      Se<\/strong> la variabile comando<\/em> == \u2018a\u2019 allora<\/span><\/code><\/p>\n

         eroga 5V dal pin 13;<\/span><\/code><\/p>\n

         scrivi sul monitor \u201cLED acceso\u201d;<\/span><\/code><\/p>\n

      <\/span><\/code><\/p>\n

Se<\/strong> comando<\/em> == \u2018s\u2019 allora<\/span><\/code><\/p>\n

         eroga 0V dal pin 13<\/span><\/code><\/p>\n

         scrivi sul monitor \u201cLED spento\u201d<\/span><\/code><\/p>\n<\/td>\n

\n

void loop() {<\/span><\/code><\/p>\n

  <\/span><\/code>if (Serial.available() > 0) {<\/span>
\/\/oppure if (Serial.available())<\/span><\/code><\/p>\n

int comando = Serial.read();<\/p>\n

<\/span><\/code><\/p>\n

if (comando == 'a') {<\/span><\/code><\/p>\n

digitalWrite(13, HIGH);<\/span><\/code><\/p>\n

Serial.println(\"LED acceso\");<\/span><\/code><\/p>\n

}<\/span><\/code><\/p>\n

if (comando == 's') {<\/span><\/code><\/p>\n

digitalWrite(13, LOW);<\/span><\/code><\/p>\n

Serial.println(\"LED spento\");<\/span><\/code><\/p>\n

}<\/span><\/code><\/p>\n

}<\/span><\/code><\/span><\/p>\n

}<\/span><\/code><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/span>
<\/span><\/p>\n

<\/span>
<\/span><\/p>\n

    \n
  •  Compila e carica il programma su Arduino;<\/span><\/li>\n
  •  apri il monitor seriale;<\/span><\/li>\n
  •  accertati che la velocit\u00e0 di trasmissione sia quella indicata nel programma;<\/span><\/li>\n
  •  digita a ed invia: il led si accender\u00e0 e sul monitor comparir\u00e0 la scritta \u201dLed acceso\u201d;<\/span><\/li>\n
  •  digita s ed invia: il led si spegner\u00e0 e sul monitor comparir\u00e0 la scritta \u201dLed spento\u201d;<\/span><\/li>\n
  •  digita un carattere diverso da a ed s e non si avr\u00e0 nessun effetto.<\/span><\/li>\n<\/ul>\n

     <\/p>\n

    \n","protected":false},"excerpt":{"rendered":"

    Il comando di accensione del LED non sar\u00e0 dato da un pulsante, bens\u00ec dalla tastiera del computer. Prendiamo un LED e colleghiamolo alle porte adiacenti 13 e GND di Arduino […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"footnotes":""},"categories":[13],"tags":[],"class_list":["post-140","post","type-post","status-publish","format-standard","hentry","category-giochi-di-luce-con-arduino"],"yoast_head":"\nAccendere un LED da tastiera - PugliaSOS2.0<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Accendere un LED da tastiera - PugliaSOS2.0\" \/>\n<meta property=\"og:description\" content=\"Il comando di accensione del LED non sar\u00e0 dato da un pulsante, bens\u00ec dalla tastiera del computer. Prendiamo un LED e colleghiamolo alle porte adiacenti 13 e GND di Arduino […]\" \/>\n<meta property=\"og:url\" content=\"http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/\" \/>\n<meta property=\"og:site_name\" content=\"PugliaSOS2.0\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-11T16:57:49+00:00\" \/>\n<meta name=\"author\" content=\"PugliaSOS\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scritto da\" \/>\n\t<meta name=\"twitter:data1\" content=\"PugliaSOS\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\\\/\\\/130.110.14.181\\\/index.php\\\/2021\\\/07\\\/11\\\/accendere-un-led-da-tastiera\\\/#article\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/130.110.14.181\\\/index.php\\\/2021\\\/07\\\/11\\\/accendere-un-led-da-tastiera\\\/\"},\"author\":{\"name\":\"PugliaSOS\",\"@id\":\"http:\\\/\\\/130.110.14.181\\\/#\\\/schema\\\/person\\\/1e219b3d8de394c7d6969b52c116f336\"},\"headline\":\"Accendere un LED da tastiera\",\"datePublished\":\"2021-07-11T16:57:49+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\\\/\\\/130.110.14.181\\\/index.php\\\/2021\\\/07\\\/11\\\/accendere-un-led-da-tastiera\\\/\"},\"wordCount\":125,\"articleSection\":[\"Giochi di luce con Arduino\"],\"inLanguage\":\"it-IT\"},{\"@type\":\"WebPage\",\"@id\":\"http:\\\/\\\/130.110.14.181\\\/index.php\\\/2021\\\/07\\\/11\\\/accendere-un-led-da-tastiera\\\/\",\"url\":\"http:\\\/\\\/130.110.14.181\\\/index.php\\\/2021\\\/07\\\/11\\\/accendere-un-led-da-tastiera\\\/\",\"name\":\"Accendere un LED da tastiera - PugliaSOS2.0\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/130.110.14.181\\\/#website\"},\"datePublished\":\"2021-07-11T16:57:49+00:00\",\"author\":{\"@id\":\"http:\\\/\\\/130.110.14.181\\\/#\\\/schema\\\/person\\\/1e219b3d8de394c7d6969b52c116f336\"},\"breadcrumb\":{\"@id\":\"http:\\\/\\\/130.110.14.181\\\/index.php\\\/2021\\\/07\\\/11\\\/accendere-un-led-da-tastiera\\\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\\\/\\\/130.110.14.181\\\/index.php\\\/2021\\\/07\\\/11\\\/accendere-un-led-da-tastiera\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\\\/\\\/130.110.14.181\\\/index.php\\\/2021\\\/07\\\/11\\\/accendere-un-led-da-tastiera\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\\\/\\\/130.110.14.181\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Accendere un LED da tastiera\"}]},{\"@type\":\"WebSite\",\"@id\":\"http:\\\/\\\/130.110.14.181\\\/#website\",\"url\":\"http:\\\/\\\/130.110.14.181\\\/\",\"name\":\"PugliaSOS2.0\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\\\/\\\/130.110.14.181\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"it-IT\"},{\"@type\":\"Person\",\"@id\":\"http:\\\/\\\/130.110.14.181\\\/#\\\/schema\\\/person\\\/1e219b3d8de394c7d6969b52c116f336\",\"name\":\"PugliaSOS\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/0f3d85b8e8409fc2c484f438be7de4caf93659f326adbb248e8a1ac5c2e16fd6?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/0f3d85b8e8409fc2c484f438be7de4caf93659f326adbb248e8a1ac5c2e16fd6?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/0f3d85b8e8409fc2c484f438be7de4caf93659f326adbb248e8a1ac5c2e16fd6?s=96&d=mm&r=g\",\"caption\":\"PugliaSOS\"},\"url\":\"http:\\\/\\\/130.110.14.181\\\/index.php\\\/author\\\/pugliasos\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Accendere un LED da tastiera - PugliaSOS2.0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/","og_locale":"it_IT","og_type":"article","og_title":"Accendere un LED da tastiera - PugliaSOS2.0","og_description":"Il comando di accensione del LED non sar\u00e0 dato da un pulsante, bens\u00ec dalla tastiera del computer. Prendiamo un LED e colleghiamolo alle porte adiacenti 13 e GND di Arduino […]","og_url":"http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/","og_site_name":"PugliaSOS2.0","article_published_time":"2021-07-11T16:57:49+00:00","author":"PugliaSOS","twitter_card":"summary_large_image","twitter_misc":{"Scritto da":"PugliaSOS","Tempo di lettura stimato":"2 minuti"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/#article","isPartOf":{"@id":"http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/"},"author":{"name":"PugliaSOS","@id":"http:\/\/130.110.14.181\/#\/schema\/person\/1e219b3d8de394c7d6969b52c116f336"},"headline":"Accendere un LED da tastiera","datePublished":"2021-07-11T16:57:49+00:00","mainEntityOfPage":{"@id":"http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/"},"wordCount":125,"articleSection":["Giochi di luce con Arduino"],"inLanguage":"it-IT"},{"@type":"WebPage","@id":"http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/","url":"http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/","name":"Accendere un LED da tastiera - PugliaSOS2.0","isPartOf":{"@id":"http:\/\/130.110.14.181\/#website"},"datePublished":"2021-07-11T16:57:49+00:00","author":{"@id":"http:\/\/130.110.14.181\/#\/schema\/person\/1e219b3d8de394c7d6969b52c116f336"},"breadcrumb":{"@id":"http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/#breadcrumb"},"inLanguage":"it-IT","potentialAction":[{"@type":"ReadAction","target":["http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/"]}]},{"@type":"BreadcrumbList","@id":"http:\/\/130.110.14.181\/index.php\/2021\/07\/11\/accendere-un-led-da-tastiera\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"http:\/\/130.110.14.181\/"},{"@type":"ListItem","position":2,"name":"Accendere un LED da tastiera"}]},{"@type":"WebSite","@id":"http:\/\/130.110.14.181\/#website","url":"http:\/\/130.110.14.181\/","name":"PugliaSOS2.0","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"http:\/\/130.110.14.181\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"it-IT"},{"@type":"Person","@id":"http:\/\/130.110.14.181\/#\/schema\/person\/1e219b3d8de394c7d6969b52c116f336","name":"PugliaSOS","image":{"@type":"ImageObject","inLanguage":"it-IT","@id":"https:\/\/secure.gravatar.com\/avatar\/0f3d85b8e8409fc2c484f438be7de4caf93659f326adbb248e8a1ac5c2e16fd6?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/0f3d85b8e8409fc2c484f438be7de4caf93659f326adbb248e8a1ac5c2e16fd6?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/0f3d85b8e8409fc2c484f438be7de4caf93659f326adbb248e8a1ac5c2e16fd6?s=96&d=mm&r=g","caption":"PugliaSOS"},"url":"http:\/\/130.110.14.181\/index.php\/author\/pugliasos\/"}]}},"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/130.110.14.181\/index.php\/wp-json\/wp\/v2\/posts\/140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/130.110.14.181\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/130.110.14.181\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/130.110.14.181\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/130.110.14.181\/index.php\/wp-json\/wp\/v2\/comments?post=140"}],"version-history":[{"count":0,"href":"http:\/\/130.110.14.181\/index.php\/wp-json\/wp\/v2\/posts\/140\/revisions"}],"wp:attachment":[{"href":"http:\/\/130.110.14.181\/index.php\/wp-json\/wp\/v2\/media?parent=140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/130.110.14.181\/index.php\/wp-json\/wp\/v2\/categories?post=140"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/130.110.14.181\/index.php\/wp-json\/wp\/v2\/tags?post=140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}