{"id":6056,"date":"2021-08-04T16:28:18","date_gmt":"2021-08-04T14:28:18","guid":{"rendered":"https:\/\/www.pilover.com\/?post_type=product&#038;p=6056"},"modified":"2026-07-24T15:16:21","modified_gmt":"2026-07-24T13:16:21","slug":"mega4-hub-usb-3-1-ppps-per-pi-4b","status":"publish","type":"product","link":"https:\/\/www.pilover.com\/it\/negozio\/mega4-hub-usb-3-1-ppps-per-pi-4b\/","title":{"rendered":"MEGA4: Hub USB 3.1 PPPS per Pi 4B"},"content":{"rendered":"<h2>MEGA4: Hub USB 3.1 PPPS a 4 Porte per Raspberry Pi 4B<\/h2>\n<p><strong>MEGA4 \u00e8 un hub USB 3.1 PPPS (Per-Port Power Switching) a 4 porte in formato HAT per il Raspberry Pi 4B.<\/strong> Grazie a questo hub potrai aggiungere altre 4 porte USB 3.1 al tuo <a href=\"https:\/\/www.pilover.com\/tag\/serie-raspberry-pi-4\/\" rel=\"noopener\" target=\"_blank\">Raspberry Pi 4B<\/a>. <\/p>\n<p>Una caratteristica molto interessante \u00e8 che <strong>\u00e8 possibile attivare o disattivare l&#8217;alimentazione di ciascuna porta di questo hub separatamente<\/strong> tramite software oppure tramite l&#8217;interfaccia web UUGear (UWI) su PC, tablet o smartphone.<\/p>\n<p>La scheda di questo hub ha le stesse dimensioni della scheda Raspberry Pi 4B ed \u00e8 possibile montarla sotto il Pi. Inoltre, grazie all&#8217;<strong>adattatore a forma di U incluso<\/strong> in questo prodotto, <strong>\u00e8 possibile effettuare la connessione dati e alimentazion<\/strong>e tra la scheda MEGA4 e il Raspberry Pi 4B.<\/p>\n<p>Nonostante MEGA4 sia un hub alimentato, \u00e8 anche possibile collegare l&#8217;alimentatore 5V al connettore USB-C e aumentare in modo significativo la sua capacit\u00e0 di uscita di corrente.<\/p>\n<p><strong>Nota:<\/strong> Sebbene MEGA4 sia stato progettato per il Raspberry Pi 4B, lo puoi usare come hub USB 3.1 anche su altri computer. \u00c8 per\u00f2 consigliato utilizzare un cavo di prolunga USB3.1 per la connessione.<\/p>\n<h3>Come installare il Software su MEGA4<\/h3>\n<p>Per installare il software di MEGA4 basta eseguire il seguente comando nella home directory:<br \/>\n<code>pi@raspberrypi ~ $ wget https:\/\/www.uugear.com\/repo\/MEGA4\/install.sh<\/code><\/p>\n<p>Se il tuo Raspberry Pi ha una connessione Internet, scaricher\u00e0 immediatamente lo script dal sito Web e vedrai lo script &#8220;install.sh&#8221; nella tua home directory. Quindi fai partire lo script con il comando sudo:<br \/>\n<code>pi@raspberrypi ~ $ sudo sh install.sh<\/code><br \/>\nPer eseguire questo script \u00e8 necessario usare sudo perch\u00e9 lo script prova anche a disabilitare la sospensione automatica USB nel file \/boot\/cmdline.txt.<\/p>\n<p>Ricordati che <strong>dopo aver installato il software, devi riavviare il tuo Raspberry Pi<\/strong>, in questo modo il server UWI sar\u00e0 in esecuzione in background. Comunque, con la configurazione di default potrai accedere al MEGA4 tramite UWI attraverso l&#8217;indirizzo http:\/\/raspberrypi:8000\/mega4\/.<\/p>\n<p><strong>Ogni confezione di MEGA4 contiene:<\/strong><\/p>\n<ul>\n<li>1 x Scheda MEGA4<\/li>\n<li>1 x Adattatore a forma di U<\/li>\n<li>4 x Distanziatore in rame M2,5 (10+6 mm)<\/li>\n<li>4 x Viti M2.5<\/li>\n<li>4 x Dadi M2.5<\/li>\n<\/ul>\n<p><strong>Specifiche di MEGA4:<\/strong> <\/p>\n<ul>\n<li><strong>Dimensione:<\/strong> 8,5&#215;5,6&#215;0,9 cm (la presa USB sporge di 7mm)<\/li>\n<li><strong>Peso<\/strong>: 29g (peso netto senza alcun accessorio)<\/li>\n<li><strong>Controller hub USB:<\/strong> VL817 Q7 (versione firmware 90.23)<\/li>\n<li><strong>Interruttore di alimentazione per porta:<\/strong> <a href=\"https:\/\/www.pilover.com\/wp-content\/uploads\/2021\/08\/AP2511.pdf\" rel=\"noopener\" target=\"_blank\">AP2511 (scheda tecnica)<\/a><\/li>\n<li><strong>Diodo ideale con MOSFET:<\/strong> <a href=\"https:\/\/www.pilover.com\/wp-content\/uploads\/2021\/08\/AO4447.pdf\" rel=\"noopener\" target=\"_blank\">AO4447 (scheda tecnica)<\/a><\/li>\n<li><strong>Standard:<\/strong><br \/>\n&#8211; Compatibilit\u00e0 USB 3.1 Gen1 (USB 3.0), 2.0 e 1.1<br \/>\n&#8211; Traduttore di transazioni multiple (MTT)<br \/>\n&#8211; Per-Port Power Switching  (PPPS)<br \/>\n&#8211; Protezione da sovracorrente per porta<\/li>\n<li><strong>Velocit\u00e0 dati:<\/strong><br \/>\n&#8211; USB v3.1 Gen 1: fino a 5 Gbps<br \/>\n&#8211; USB v2.0: fino a 480 Mbps<br \/>\n&#8211; USB v1.1: fino a 12 Mbps<\/li>\n<li><strong>Porte USB:<\/strong><br \/>\n&#8211; Upstream: 1 (spina USB 3.0 di tipo A)<br \/>\n&#8211; Downstream: 4 (connettore femmina USB 3.0 tipo A)<\/li>\n<li><strong>Corrente di uscita: <\/strong><br \/>\n&#8211; Solo bus alimentato: fino a 1.2A in totale (limitato da Raspberry Pi 4B)<br \/>\n&#8211; Con alimentazione supplementare: fino a 5A in totale e 2,5A per porta (dipende anche dall&#8217;alimentatore)<\/li>\n<li><strong>Corrente statica:<\/strong> 64 mA<\/li>\n<li><strong>Temperatura di esercizio:<\/strong> 0\u00b0C~70\u00b0C<\/li>\n<li><strong>Umidit\u00e0:<\/strong> 0~80% RH, senza condensa<\/li>\n<\/ul>\n<p>Accedi al Manuale di MEGA4 per maggiori dettagli, clicca su: <a href=\"https:\/\/www.pilover.com\/wp-content\/uploads\/2021\/08\/MEGA4_UserManual.pdf\" rel=\"noopener\" target=\"_blank\">Manuale utente di MEGA4<\/a>.<\/p>\n<p><strong>Ricorda:<\/strong> il Raspberry Pi 4 non \u00e8 incluso in questo prodotto. \u00c8 possibile acquistarlo separatamente cliccando su <a href=\"https:\/\/www.pilover.com\/tag\/serie-raspberry-pi-4\/\" rel=\"noopener\" target=\"_blank\">Raspberry Pi 4B<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MEGA4: Hub USB 3.1 PPPS a 4 Porte per Raspberry Pi 4B MEGA4 \u00e8 un hub USB 3.1 PPPS (Per-Port Power Switching) a 4 porte in formato HAT per il Raspberry Pi 4B. Grazie a questo hub potrai aggiungere altre 4 porte USB 3.1 al tuo Raspberry Pi 4B. Una caratteristica molto interessante \u00e8 che [&hellip;]<\/p>\n","protected":false},"featured_media":6083,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[2205],"product_cat":[30,49,50,38,28,33],"product_tag":[],"class_list":["post-6056","product","type-product","status-publish","has-post-thumbnail","product_brand-uugear","product_cat-cavi-ed-adattatori","product_cat-cavi-usb","product_cat-componenti","product_cat-hat","product_cat-hat-phat-e-shim","product_cat-prototipazione","first","outofstock","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MEGA4: Hub USB 3.1 PPPS per Pi 4B - PiLover<\/title>\n<meta name=\"description\" content=\"MEGA4: Hub USB 3.1 PPPS per Pi 4B su PiLover.com. 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