{"id":26580,"date":"2021-07-28T07:37:47","date_gmt":"2021-07-28T07:37:47","guid":{"rendered":"https:\/\/www.critics-corporation.com\/RaspberryPi\/?p=26580"},"modified":"2021-07-28T23:38:56","modified_gmt":"2021-07-28T23:38:56","slug":"collegare-da-2-a-8-dispositivi-display-i2c-con-multiplexer","status":"publish","type":"post","link":"https:\/\/www.critics-corporation.com\/RaspberryPi\/collegare-da-2-a-8-dispositivi-display-i2c-con-multiplexer","title":{"rendered":"Collegare da 2 a 8 Dispositivi Display I2C con Multiplexer"},"content":{"rendered":"\n<p><strong>Premessa:<\/strong> Sulla stessa porta I2C, DFRobot Gravity: I2C Multiplexer risolve il conflitto di indirizzi e consente la normale comunicazione con pi\u00f9 dispositivi I2C con lo stesso indirizzo.<\/p>\n\n\n\n<p>Hai appena trovato il sensore che ti serviva e vuoi collegarne due o pi\u00f9 alla porta I2C della tua scheda madre, ma in seguito ti sei accorto che hanno l&#8217;indirizzo I2C fisso!Ovvero, non puoi usarli sulla stessa porta I2C Sei sfortunato?Ora non ti preoccupare!DFRobot Gravity: I2C Multiplexer pu\u00f2 facilmente risolvere il conflitto di indirizzi sulla stessa porta I2C.<\/p>\n\n\n\n<p>Questo multiplexer I2C \u00e8 facile da usare, collegare e collegare e non \u00e8 necessario saldare.1 multiplexer ha 8 porte I2C, questo significa che puoi collegare 8 dispositivi con lo stesso indirizzo alla stessa porta I2C da 1 multiplexer.L&#8217;indirizzo I2C predefinito del multiplexer \u00e8 0x70 e puoi regolare da 0x70 a 0x77. In teoria, potresti collegare 8 multiplexer all&#8217;indirizzo 0x70 ~ 0x77, per controllare 64 dispositivi con lo stesso indirizzo. Cos\u00ec potente!<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>CARATTERISTICHE TECNICHE:<\/strong><\/h4>\n\n\n\n<ul><li>Tensione di esercizio: 3,3~5,0 V<\/li><li>Tipo di connettore: PH2.0-4P<\/li><li>Livello interfaccia: alto 3,3 V, basso 0 V<\/li><li>Protocollo di interfaccia: I2C (IIC)<\/li><li>Frequenza di clock I2C: 100K, 400K<\/li><li>Quantit\u00e0 porta I2C: 8<\/li><li>Indirizzo I2C predefinito: 0x70 (il quadrante passa tutto a 0)<\/li><li>Intervallo di indirizzi I2C: 0x70~0x77<\/li><li>Dimensioni: 32 * 32 mm \/ 1,26 * 1,26 pollici<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>LISTA MATERIALI:<\/strong><\/h4>\n\n\n<div data-block-name=\"woocommerce\/handpicked-products\" data-edit-mode=\"false\" data-products=\"[16410,16050,4255,26184]\" class=\"wc-block-grid wp-block-handpicked-products wc-block-handpicked-products has-3-columns has-multiple-rows\"><ul class=\"wc-block-grid__products\"><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/prodotto\/dfrduino-uno-v2-1\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t<div class=\"wc-block-grid__product-onsale\">\n\t\t\t<span aria-hidden=\"true\">Sconto<\/span>\n\t\t\t<span class=\"screen-reader-text\">Prodotto in vendita<\/span>\n\t\t<\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img loading=\"lazy\" decoding=\"async\" width=\"324\" height=\"324\" src=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2020\/11\/IMGP0789-800x800-1-768x768.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"DFRduino UNO V2.1\" srcset=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2020\/11\/IMGP0789-800x800-1-768x768.jpg 768w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2020\/11\/IMGP0789-800x800-1-300x300.jpg 300w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2020\/11\/IMGP0789-800x800-1-150x150.jpg 150w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2020\/11\/IMGP0789-800x800-1-100x100.jpg 100w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2020\/11\/IMGP0789-800x800-1.jpg 800w\" sizes=\"(max-width: 324px) 100vw, 324px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">DFRduino UNO V2.1<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><del aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>19.00<\/span><\/del> <ins><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>0.00<\/span><\/ins><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"?add-to-cart=26184\" aria-label=\"Aggiungi al carrello: &quot;DFRduino UNO V2.1&quot;\" data-quantity=\"1\" data-product_id=\"26184\" data-product_sku=\"DF-DFR0176\" data-price=\"0\" rel=\"nofollow\" class=\"wp-block-button__link  add_to_cart_button ajax_add_to_cart\">Aggiungi al carrello<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/prodotto\/gravity-digital-1-to-8-i2c-multiplexer\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img loading=\"lazy\" decoding=\"async\" width=\"324\" height=\"324\" src=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2019\/05\/DFR0576-800x800-768x768.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Gravity: Digital 1-to-8 I2C Multiplexer\" srcset=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2019\/05\/DFR0576-800x800-768x768.jpg 768w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2019\/05\/DFR0576-800x800-150x150.jpg 150w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2019\/05\/DFR0576-800x800-300x300.jpg 300w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2019\/05\/DFR0576-800x800-100x100.jpg 100w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2019\/05\/DFR0576-800x800.jpg 800w\" sizes=\"(max-width: 324px) 100vw, 324px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">Gravity: Digital 1-to-8 I2C Multiplexer<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>10.94<\/span><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"?add-to-cart=16410\" aria-label=\"Aggiungi al carrello: &quot;Gravity: Digital 1-to-8 I2C Multiplexer&quot;\" data-quantity=\"1\" data-product_id=\"16410\" data-product_sku=\"DF-DFR0576\" data-price=\"10.9434\" rel=\"nofollow\" class=\"wp-block-button__link  add_to_cart_button ajax_add_to_cart\">Aggiungi al carrello<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/prodotto\/gravity-i2c-oled-2864-display\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img loading=\"lazy\" decoding=\"async\" width=\"324\" height=\"324\" src=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2019\/05\/6W4A9993\u526f\u672c-800x800-768x768.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Gravity I2C OLED-2864 Display\" srcset=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2019\/05\/6W4A9993\u526f\u672c-800x800-768x768.jpg 768w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2019\/05\/6W4A9993\u526f\u672c-800x800-150x150.jpg 150w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2019\/05\/6W4A9993\u526f\u672c-800x800-300x300.jpg 300w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2019\/05\/6W4A9993\u526f\u672c-800x800-100x100.jpg 100w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2019\/05\/6W4A9993\u526f\u672c-800x800.jpg 800w\" sizes=\"(max-width: 324px) 100vw, 324px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">Gravity I2C OLED-2864 Display<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>23.63<\/span><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"?add-to-cart=16050\" aria-label=\"Aggiungi al carrello: &quot;Gravity I2C OLED-2864 Display&quot;\" data-quantity=\"1\" data-product_id=\"16050\" data-product_sku=\"DF-DFR0486\" data-price=\"23.6314\" rel=\"nofollow\" class=\"wp-block-button__link  add_to_cart_button ajax_add_to_cart\">Aggiungi al carrello<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/prodotto\/128-x-64-display-oled-module\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img loading=\"lazy\" decoding=\"async\" width=\"324\" height=\"324\" src=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2015\/05\/128X64DisplayOledModule.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"128 X 64 Display OLED Module\" srcset=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2015\/05\/128X64DisplayOledModule.jpg 1000w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2015\/05\/128X64DisplayOledModule-150x150.jpg 150w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2015\/05\/128X64DisplayOledModule-300x300.jpg 300w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2015\/05\/128X64DisplayOledModule-90x90.jpg 90w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2015\/05\/128X64DisplayOledModule-100x100.jpg 100w\" sizes=\"(max-width: 324px) 100vw, 324px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">128 X 64 Display OLED Module<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>12.50<\/span><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"?add-to-cart=4255\" aria-label=\"Aggiungi al carrello: &quot;128 X 64 Display OLED Module&quot;\" data-quantity=\"1\" data-product_id=\"4255\" data-product_sku=\"IS-IM130625003\" data-price=\"12.5\" rel=\"nofollow\" class=\"wp-block-button__link  add_to_cart_button ajax_add_to_cart\">Aggiungi al carrello<\/a><\/div>\n\t\t\t<\/li><\/ul><\/div>\n\n\n<h4 class=\"wp-block-heading\"><strong>PANORAMICA DELLA SCHEDA:<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2021\/07\/Collegare-da-2-a-8-Dispositivi-Display-I2C-con-Multiplexer.jpeg\" alt=\"\" class=\"wp-image-26581\" width=\"250\" height=\"250\" srcset=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2021\/07\/Collegare-da-2-a-8-Dispositivi-Display-I2C-con-Multiplexer.jpeg 250w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2021\/07\/Collegare-da-2-a-8-Dispositivi-Display-I2C-con-Multiplexer-150x150.jpeg 150w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2021\/07\/Collegare-da-2-a-8-Dispositivi-Display-I2C-con-Multiplexer-100x100.jpeg 100w\" sizes=\"(max-width: 250px) 100vw, 250px\" \/><\/figure>\n\n\n\n<ul><li>numero Etichetta Descrizione<\/li><li>VCC Alimentazione VCC (3,3 ~ 5 V)GND Potenza GND(0V)<\/li><li>C SCL I2C Clock Line-SCL<\/li><li>D SDA Linea dati I2C-SDA<\/li><li>R RIPRISTINA RESET PIN, Attivo Basso<\/li><\/ul>\n\n\n\n<p>Descrizione dell&#8217;interruttore del quadrante : come mostrato nell&#8217;immagine sopra, gli interruttori del quadrante sono tutti ruotati a destra (contrassegnati con &#8220;0&#8221;) per impostazione predefinita, in questo momento, A2, A1, A0 sono tutti di basso livello, quindi l&#8217;indirizzo predefinito del multiplexer \u00e8 0 x 70. Se gli interruttori di selezione sono tutti ruotati a sinistra (contrassegnati con &#8220;1&#8221;), allora A2, A1, A0 sono tutti di alto livello e l&#8217;indirizzo \u00e8 0 x 77. \u00c8 possibile regolare gli interruttori di selezione secondo necessit\u00e0 per impostare il indirizzo. Puoi impostarlo da 0x70 a 0x77.<\/p>\n\n\n\n<p>Questo tutorial utilizza due display OLED come esempio per dimostrare come utilizzare questo multiplexer I2C.Il display OLED utilizzato in questo esempio ha l&#8217;indirizzo I2C fisso, quindi questi due display OLED non possono essere collegati direttamente alla stessa porta I2C.Tuttavia, tramite trasferimento di questo multiplexer I2C, questi due display OLED possono essere normalmente utilizzati contemporaneamente sulla stessa porta I2C.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>SCHEMA DI COLLEGAMENTO:<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2021\/07\/Collegare-da-2-a-8-Dispositivi-Display-I2C-con-Multiplexer-Prima-1024x577.jpeg\" alt=\"\" class=\"wp-image-26582\" srcset=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2021\/07\/Collegare-da-2-a-8-Dispositivi-Display-I2C-con-Multiplexer-Prima-1024x577.jpeg 1024w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2021\/07\/Collegare-da-2-a-8-Dispositivi-Display-I2C-con-Multiplexer-Prima-300x169.jpeg 300w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2021\/07\/Collegare-da-2-a-8-Dispositivi-Display-I2C-con-Multiplexer-Prima-768x433.jpeg 768w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2021\/07\/Collegare-da-2-a-8-Dispositivi-Display-I2C-con-Multiplexer-Prima-416x234.jpeg 416w, https:\/\/www.critics-corporation.com\/RaspberryPi\/wp-content\/uploads\/2021\/07\/Collegare-da-2-a-8-Dispositivi-Display-I2C-con-Multiplexer-Prima.jpeg 1045w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>CODICE DI ESEMPIO:<\/strong><\/h4>\n\n\n\n<p>Librerie:<\/p>\n\n\n\n<ul><li>DFRobot_I2C_Multiplexer <sub>LGPL<\/sub>: github.com\/DFRobot\/DFRobot_I2C_Multiplexer\/archive\/master.zip<\/li><li>DFRobot_SSD1306, DFRobot_Character, DFRobot_GT30L <sub>LGPL<\/sub>: github.com\/DFRobot\/DFRobot_SSD1306\/archive\/master.zip<\/li><li>DFRobot_Display <sub>LGPL<\/sub>: github.com\/DFRobot\/DFRobot_Display\/archive\/master.zip<\/li><li>Wire <sub>LGPL<\/sub>: arduino.cc\/en\/Reference\/Wire<\/li><li>SPI <sub>LGPL<\/sub>: arduino.cc\/en\/Reference\/SPI<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>#include \"DFRobot_SSD1306_I2C.h\"\n#include \"DFRobot_I2CMultiplexer.h\"\n#include \"DFRobot_Character.h\"\n#include \"DFRobot_GT30L.h\"\n#include &lt;Wire.h>\n#include &lt;SPI.h>\n\n\/*Create an OLED object, the address is 0x3c*\/\nDFRobot_SSD1306_I2C OLED(0x3c);\n\n\/*Create an I2C Multiplexer object, the address of I2C Multiplexer is 0X70*\/\nDFRobot_I2CMultiplexer I2CMulti(0x70);\n\n\nvoid setup(void){\n  \/*Let the OLED on port 0 display characters*\/\n  I2CMulti.selectPort(0);       \/\/Select port\n  OLED.begin();                 \/\/initialize OLED\n  OLED.setTextColor(1);\n  OLED.setTextSize(2);\n\n  OLED.setCursor(0,0);          \/\/ Set the corrdianate of characters\n  OLED.print(\"device A\");       \/\/Display characters\n  OLED.setCursor(0,30);\n  OLED.print(\"addr:0x3C\");\n\n  \/*Let OLED on  port 1 display  characters *\/\n  I2CMulti.selectPort(1);\n  OLED.begin();\n  OLED.setTextColor(1);\n  OLED.setTextSize(2);\n\n  OLED.setCursor(0,0);\n  OLED.print(\"device B\");\n  OLED.setCursor(0,30);\n  OLED.print(\"addr:0x3C\");\n}\n\nvoid loop(void){\n}<\/code><\/pre>\n\n\n\n<p>Attraverso l&#8217;esempio sopra, abbiamo gi\u00e0 capito come utilizzare la libreria hardware e software di questo multiplexer I2C.Ora riassumiamo ulteriormente e otteniamo il seguente framework software.Questo ti aiuter\u00e0 a capire meglio la libreria software e ad applicarla al tuo progetto.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include \"DFRobot_I2CMultiplexer.h\"\n#include &lt;Wire.h>\n\n\/*Create an I2C Multiplexer object, the default address of I2C Multiplexer is 0X70*\/\nDFRobot_I2CMultiplexer I2CMulti(0x70);\n\nvoid setup(void)\n{\n  I2CMulti.selectPort(0);       \/\/Select Port 0\n  ...                           \/\/Initialize the I2C Device on Port 0\n\n  I2CMulti.selectPort(1);      \/\/Select Port 1\n  ...                          \/\/Initialize the I2C Device on Port 1\n\n   .\n   .\n   .\n\n  I2CMulti.selectPort(8);      \/\/Select Port 8\n  ...                          \/\/Initialize the I2C Device on Port 8\n}\n\nvoid loop(void)\n{\n  I2CMulti.selectPort(0);       \/\/Select Port 0\n  ...                           \/\/Communicate with the I2C Device on Port 0\n\n  I2CMulti.selectPort(1);      \/\/Select Port 1\n  ...                          \/\/Communicate with the I2C Device on Port 1\n\n   .\n   .\n   .\n\n  I2CMulti.selectPort(8);      \/\/Select Port 8\n  ...                          \/\/Communicate with the I2C Device on Port 8\n}<\/code><\/pre>\n\n\n\n<p>Buon progetto.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Premessa: Sulla stessa porta I2C, DFRobot Gravity: I2C Multiplexer risolve il conflitto di indirizzi e consente la normale comunicazione con pi\u00f9 dispositivi I2C con lo stesso indirizzo. Hai appena trovato il sensore che ti serviva e vuoi collegarne due o pi\u00f9 alla porta I2C della tua scheda madre, ma in seguito ti sei accorto che [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":26582,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[378,169],"tags":[197,300,267,242,255,301,191],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Collegare da 2 a 8 Dispositivi Display I2C con Multiplexer | Raspberry Pi - Arduino<\/title>\n<meta name=\"description\" content=\"Premessa: Sulla stessa porta I2C, DFRobot Gravity: I2C Multiplexer risolve il conflitto di indirizzi e consente la normale comunicazione con pi\u00f9\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.critics-corporation.com\/RaspberryPi\/collegare-da-2-a-8-dispositivi-display-i2c-con-multiplexer\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Collegare da 2 a 8 Dispositivi Display I2C con Multiplexer | Raspberry Pi - 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