{"id":101849,"date":"2021-10-28T16:22:44","date_gmt":"2021-10-28T14:22:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predstavlena-novaya-plata-raspberry-pi-zero-2-w"},"modified":"2021-10-28T16:22:44","modified_gmt":"2021-10-28T14:22:45","slug":"predstavlena-novaya-plata-raspberry-pi-zero-2-w","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/predstavlena-novaya-plata-raspberry-pi-zero-2-w","title":{"rendered":"Przedstawiono now\u0105 p\u0142yt\u0119 Raspberry Pi Zero 2 W","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projekt Raspberry Pi og\u0142osi\u0142 wprowadzenie do sprzeda\u017cy nowej generacji p\u0142yty Raspberry Pi Zero W, kt\u00f3ra \u0142\u0105czy kompaktowe rozmiary z obs\u0142ug\u0105 Bluetooth i Wi-Fi. Nowy model Raspberry Pi Zero 2 W jest wykonany w tym samym miniaturowym formacie (65 x 30 x 5 mm), czyli jest oko\u0142o dwa razy mniejszy od standardowego Raspberry Pi. Sprzeda\u017c rozpocz\u0119\u0142a si\u0119 na razie tylko w Wielkiej Brytanii, Unii Europejskiej, USA, Kanadzie i Hongkongu, a dostawy do innych kraj\u00f3w b\u0119d\u0105 otwierane w miar\u0119 uzyskiwania certyfikacji modu\u0142u bezprzewodowego. Cena Raspberry Pi Zero 2 W wynosi 15 dolar\u00f3w ameryka\u0144skich (dla por\u00f3wnania, cena p\u0142yty Raspberry Pi Zero W to 10 dolar\u00f3w, a Raspberry Pi Zero to 5 dolar\u00f3w; produkcja ta\u0144szych p\u0142yt b\u0119dzie kontynuowana).      <center><img decoding=\"async\" alt=\"Przedstawiono now\u0105 p\u0142yt\u0119 Raspberry Pi Zero 2 W\" src=\"\/wp-content\/uploads\/2021\/10\/ca216de7cea17f9586b299bddfcd483c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Kluczow\u0105 r\u00f3\u017cnic\u0105 w nowym modelu Raspberry Pi Zero jest przej\u015bcie na SoC Broadcom BCM2710A1, podobny do tego w p\u0142ytach Raspberry Pi 3 (w poprzedniej wersji p\u0142yt Zero zastosowano SoC Broadcom BCM2835, jak w pierwszym Raspberry Pi). W przeciwie\u0144stwie do Raspberry Pi 3, aby zmniejszy\u0107 zu\u017cycie energii, cz\u0119stotliwo\u015b\u0107 procesora zmniejszono z 1,4 GHz do 1 GHz. Z danych uzyskanych z testu wielow\u0105tkowego sysbench wynika, \u017ce aktualizacja SoC pozwoli\u0142a zwi\u0119kszy\u0107 wydajno\u015b\u0107 p\u0142yty pi\u0119ciokrotnie (w nowym SoC zastosowano czterordzeniowy, 64-bitowy CPU Arm Cortex-A53 zamiast jednordzeniowego 32-bitowego ARM11 ARM1176JZF-S).          <\/p>\n<p>Jak w poprzedniej edycji, Raspberry Pi Zero 2 W oferuje 512 MB RAM, port Mini-HDMI, dwa porty Micro-USB (USB 2.0 z OTG i port zasilania), slot microSD, 40-pinowy z\u0142\u0105cze GPIO (nie wylutowane), wyj\u015bcia dla wideo kompozytowego i kamery (CSI-2). P\u0142yta jest wyposa\u017cona w chip bezprzewodowy obs\u0142uguj\u0105cy Wi-Fi 802.11 b\/g\/n (2,4 GHz), Bluetooth 4.2 i Bluetooth Low Energy (BLE). Aby przej\u015b\u0107 certyfikacj\u0119 FCC i zabezpieczy\u0107 si\u0119 przed zak\u0142\u00f3ceniami zewn\u0119trznymi, chip bezprzewodowy w nowej p\u0142ycie jest przykryty metalow\u0105 os\u0142on\u0105.     <\/p>\n<p>Zintegrowany w SoC GPU obs\u0142uguje OpenGL ES 1.1 i 2.0 i zapewnia \u015brodki do przyspieszenia dekodowania wideo w formatach H.264 i MPEG-4 w jako\u015bci 1080p30, a tak\u017ce kodowania w formacie H.264, co rozszerza zakres zastosowania p\u0142yty w r\u00f3\u017cnych urz\u0105dzeniach multimedialnych i systemach inteligentnego domu. Niestety, rozmiar pami\u0119ci operacyjnej jest ograniczony do 512 MB i nie mo\u017ce by\u0107 zwi\u0119kszony z powodu fizycznych ogranicze\u0144 rozmiaru p\u0142yty. Aby dostarczy\u0107 1 GB RAM, potrzebne by\u0142oby zastosowanie skomplikowanej konstrukcji wielowarstwowej, co programi\u015bci wci\u0105\u017c nie s\u0105 gotowi zrealizowa\u0107.          <center>  <div class=\"youtube-placeholder\" data-id=\"V2frBYX62LU\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/V2frBYX62LU\/hqdefault.jpg\" alt=\"Odtwarzaj wideo\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div>  <\/center>    <\/p>\n<p>G\u0142\u00f3wnym problemem podczas projektowania p\u0142yty Raspberry Pi Zero 2 W by\u0142o rozwi\u0105zanie kwestii dotycz\u0105cej umiejscowienia pami\u0119ci LPDDR2 SDRAM. W pierwszej generacji p\u0142yty pami\u0119\u0107 by\u0142a umieszczona w dodatkowej warstwie nad chipem SoC, zrealizowanej przy u\u017cyciu technologii PoP (package-on-package), ale w nowych chipach Broadcom nie by\u0142o mo\u017cliwo\u015bci zastosowania tej metody z powodu zwi\u0119kszenia rozmiaru SoC. Aby rozwi\u0105za\u0107 zaistnia\u0142y problem, wsp\u00f3lnie z firm\u0105 Broadcom opracowano specjaln\u0105 wersj\u0119 chipu, w kt\u00f3rej pami\u0119\u0107 zosta\u0142a zintegrowana z SoC.   <center><img decoding=\"async\" alt=\"Przedstawiono now\u0105 p\u0142yt\u0119 Raspberry Pi Zero 2 W\" src=\"\/wp-content\/uploads\/2021\/10\/82c45731c60677515fc651a443c9efe7.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Innym problemem by\u0142o zwi\u0119kszone wydzielanie ciep\u0142a spowodowane wykorzystaniem mocniejszego procesora. Problem rozwi\u0105zano poprzez dodanie do p\u0142yty grubych miedzianych warstw do odprowadzania i rozpraszania ciep\u0142a z procesora. Waga p\u0142yty znacznie wzros\u0142a z tego powodu, ale metoda ta okaza\u0142a si\u0119 udana i by\u0142a wystarczaj\u0105ca, aby unikn\u0105\u0107 przegrzewania podczas niesko\u0144czonego testu obci\u0105\u017ceniowego w liniowej algebrze LINPACK w temperaturze otoczenia 20 stopni.    <\/p>\n<p>Z konkurencyjnych urz\u0105dze\u0144 najbli\u017cej Raspberry Pi Zero 2 W znajduje si\u0119 chi\u0144ska p\u0142yta Orange Pi Zero Plus2, kt\u00f3ra ma rozmiar 46\u00d748 mm i jest dost\u0119pna za 35 dolar\u00f3w z 512 MB RAM i chipem Allwinner H3. P\u0142yta Orange Pi Zero Plus2 wyposa\u017cona jest w 8 GB pami\u0119ci EMMC Flash, ma pe\u0142nowymiarowy port HDMI, gniazdo TF Card, USB OTG, a tak\u017ce z\u0142\u0105cza do pod\u0142\u0105czenia mikrofonu, odbiornika podczerwieni (IR) oraz dw\u00f3ch dodatkowych port\u00f3w USB. P\u0142yta posiada czterordzeniowy procesor Allwinner H5 (Cortex-A53) z GPU Mali Mali450 lub Allwinner H3 (Cortex-A7) z GPU Mali400MP2. Zamiast 40-stykowego GPIO dostarczany jest skr\u00f3cony 26-stykowy z\u0142\u0105cze, kompatybilne z Raspberry Pi B+. Dost\u0119pna jest r\u00f3wnie\u017c mniej wydajna p\u0142yta Orange Pi Zero 2, lecz jest ona wyposa\u017cona w 1 GB RAM i port Ethernet opr\u00f3cz Wi-Fi.<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56057\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0435\u043a\u0442 Raspberry Pi \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e \u043f\u043e\u0441\u0442\u0443\u043f\u043b\u0435\u043d\u0438\u0438 \u0432 \u043f\u0440\u043e\u0434\u0430\u0436\u0443 \u043d\u043e\u0432\u043e\u0433\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f \u043f\u043b\u0430\u0442\u044b Raspberry Pi Zero W, \u0441\u043e\u0447\u0435\u0442\u0430\u044e\u0449\u0435\u0439 \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u0435 \u0440\u0430\u0437\u043c\u0435\u0440\u044b \u0438 \u043d\u0430\u043b\u0438\u0447\u0438\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 Bluetooth \u0438 Wi-Fi. \u041d\u043e\u0432\u0430\u044f \u043c\u043e\u0434\u0435\u043b\u044c Raspberry Pi Zero 2 W \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0430 \u0432 \u0442\u043e\u043c \u0436\u0435 \u043c\u0438\u043d\u0438\u0430\u0442\u044e\u0440\u043d\u043e\u043c \u0444\u043e\u0440\u043c-\u0444\u0430\u043a\u0442\u043e\u0440\u0435 (65 x 30 x 5 \u043c\u043c), \u0442.\u0435. \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e \u0432 \u0434\u0432\u0430 \u0440\u0430\u0437\u0430 \u043c\u0435\u043d\u044c\u0448\u0435 \u043e\u0431\u044b\u0447\u043d\u043e\u0433\u043e Raspberry Pi. \u041f\u0440\u043e\u0434\u0430\u0436\u0438 \u043f\u043e\u043a\u0430 \u043d\u0430\u0447\u0430\u043b\u0438\u0441\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":101850,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-101849","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u043e\u0435\u043a\u0442 Raspberry Pi \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e \u043f\u043e\u0441\u0442\u0443\u043f\u043b\u0435\u043d\u0438\u0438 \u0432 \u043f\u0440\u043e\u0434\u0430\u0436\u0443 \u043d\u043e\u0432\u043e\u0433\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f \u043f\u043b\u0430\u0442\u044b Raspberry Pi Zero W, \u0441\u043e\u0447\u0435\u0442\u0430\u044e\u0449\u0435\u0439 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