{"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\/cs\/blog\/news\/predstavlena-novaya-plata-raspberry-pi-zero-2-w","title":{"rendered":"Byla p\u0159edstavena nov\u00e1 deska Raspberry Pi Zero 2 W","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Projekt Raspberry Pi ozn\u00e1mil uveden\u00ed na trh nov\u00e9 generace desky Raspberry Pi Zero W, kter\u00e1 spojuje kompaktn\u00ed rozm\u011bry s podporou Bluetooth a Wi-Fi. Nov\u00fd model Raspberry Pi Zero 2 W m\u00e1 stejn\u00fd miniaturizovan\u00fd form\u00e1t (65 x 30 x 5 mm), tedy zhruba dvakr\u00e1t men\u0161\u00ed ne\u017e b\u011b\u017en\u00fd Raspberry Pi. Prodeje zat\u00edm za\u010daly pouze ve Velk\u00e9 Brit\u00e1nii, Evropsk\u00e9 unii, USA, Kanad\u011b a Hongkongu, dod\u00e1vky do dal\u0161\u00edch zem\u00ed se budou otev\u00edrat postupn\u011b po certifikaci bezdr\u00e1tov\u00e9ho modulu. Cena Raspberry Pi Zero 2 W je 15 dolar\u016f (pro srovn\u00e1n\u00ed cena desky Raspberry Pi Zero W je 10 $ a Raspberry Pi Zero 5 $, v\u00fdroba levn\u011bj\u0161\u00edch desek bude pokra\u010dovat).

\"Byla<\/center> <\/p>\n

Kl\u00ed\u010dov\u00fdm rozd\u00edlem nov\u00e9ho modelu Raspberry Pi Zero je p\u0159echod na SoC Broadcom BCM2710A1, kter\u00fd je bl\u00edzk\u00fd pou\u017eit\u00e9mu v desk\u00e1ch Raspberry Pi 3 (v p\u0159edchoz\u00ed generaci desek Zero byl dod\u00e1v\u00e1n SoC Broadcom BCM2835, jako v prvn\u00edm Raspberry Pi). Na rozd\u00edl od Raspberry Pi 3 byla pro sn\u00ed\u017een\u00ed spot\u0159eby energie frekvence procesoru sn\u00ed\u017eena z 1.4GHz na 1GHz. Podle v\u00edcetr\u00e1tkov\u00e9ho testu sysbench aktualizace SoC umo\u017enila zv\u00fd\u0161it v\u00fdkon desky p\u011btkr\u00e1t (v nov\u00e9m SoC je pou\u017eit \u010dty\u0159j\u00e1drov\u00fd 64bitov\u00fd CPU Arm Cortex-A53 m\u00edsto jednoprocesorov\u00e9ho 32bitov\u00e9ho ARM11 ARM1176JZF-S). <\/p>\n

Stejn\u011b jako v p\u0159edchoz\u00ed edici nab\u00edz\u00ed Raspberry Pi Zero 2 W 512MB RAM, port Mini-HDMI, dva porty Micro-USB (USB 2.0 s OTG a port pro nap\u00e1jen\u00ed), slot microSD, 40pinov\u00fd GPIO konektor (nen\u00ed nap\u00e1jen), v\u00fdvody pro kompozitn\u00ed video a kameru (CSI-2). Deska je vybavena bezdr\u00e1tov\u00fdm \u010dipem podporuj\u00edc\u00edm Wi-Fi 802.11 b\/g\/n (2.4GHz), Bluetooth 4.2 a Bluetooth Low Energy (BLE). Aby splnila certifikaci FCC a chr\u00e1nila se proti vn\u011bj\u0161\u00edm ru\u0161en\u00edm, je bezdr\u00e1tov\u00fd \u010dip na nov\u00e9 desce pokryt kovov\u00fdm krytem. <\/p>\n

Integrovan\u00fd GPU v SoC podporuje OpenGL ES 1.1 a 2.0, a poskytuje prost\u0159edky pro zrychlen\u00ed dek\u00f3dov\u00e1n\u00ed videa ve form\u00e1tech H.264 a MPEG-4 v kvalit\u011b 1080p30, stejn\u011b jako k\u00f3dov\u00e1n\u00ed do form\u00e1tu H.264, co\u017e roz\u0161i\u0159uje mo\u017enosti vyu\u017eit\u00ed desky v r\u016fzn\u00fdch multimedi\u00e1ln\u00edch za\u0159\u00edzen\u00edch a syst\u00e9mech pro chyrou dom\u00e1cnost. Bohu\u017eel je velikost opera\u010dn\u00ed pam\u011bti omezena na 512 MB a nem\u016f\u017ee b\u00fdt zv\u00fd\u0161ena kv\u016fli fyzick\u00fdm omezen\u00edm velikosti desky. Pro dod\u00e1vku 1GB RAM by bylo nutn\u00e9 pou\u017eit\u00ed slo\u017eit\u011bj\u0161\u00ed v\u00edc vrstv\u00e9 konstrukce, jej\u00ed\u017e realizaci v\u00fdvoj\u00e1\u0159i zat\u00edm nejsou p\u0159ipraveni.

\r\n \"P\u0159ehr\u00e1t\r\n
<\/div>\r\n <\/div> <\/center> <\/p>\n

Hlavn\u00edm probl\u00e9mem p\u0159i n\u00e1vrhu desky Raspberry Pi Zero 2 W bylo vy\u0159e\u0161en\u00ed ot\u00e1zky um\u00edst\u011bn\u00ed pam\u011bti LPDDR2 SDRAM. V prvn\u00ed generaci desky byla pam\u011b\u0165 um\u00edst\u011bna v dal\u0161\u00ed vrstv\u011b nad \u010dipem SoC, realizovan\u00e9 pomoc\u00ed technologie PoP (package-on-package), av\u0161ak u nov\u00fdch \u010dip\u016f Broadcom nebylo mo\u017en\u00e9 tento postup realizovat kv\u016fli zv\u00fd\u0161en\u00ed velikosti SoC. Pro vy\u0159e\u0161en\u00ed vznikl\u00e9 situace byl ve spolupr\u00e1ci s firmou Broadcom vyvinut speci\u00e1ln\u00ed variant \u010dipu, ve kter\u00e9m byla pam\u011b\u0165 integrov\u00e1na do SoC.

\"Byla<\/center> <\/p>\n

Dal\u0161\u00edm probl\u00e9mem bylo zv\u00fd\u0161en\u00e9 tepeln\u011b vyd\u00e1v\u00e1n\u00ed kv\u016fli pou\u017eit\u00ed v\u00fdkonn\u011bj\u0161\u00edho procesoru. Probl\u00e9m se poda\u0159ilo vy\u0159e\u0161it p\u0159id\u00e1n\u00edm siln\u00fdch m\u011bd\u011bn\u00fdch vrstev do desky pro odv\u00e1d\u011bn\u00ed a rozptylov\u00e1n\u00ed tepla od procesoru. Hmotnost desky se kv\u016fli tomu znateln\u011b zv\u00fd\u0161ila, ale tento p\u0159\u00edstup byl pova\u017eov\u00e1n za \u00fasp\u011b\u0161n\u00fd a pro zm\u00edrn\u011bn\u00ed p\u0159eh\u0159\u00e1t\u00ed p\u0159i prov\u00e1d\u011bn\u00ed neomezen\u00e9ho \u010dasov\u00e9ho stresov\u00e9ho testu line\u00e1rn\u00ed algebry LINPACK p\u0159i okoln\u00ed teplot\u011b 20 stup\u0148\u016f bylo toto \u0159e\u0161en\u00ed dostate\u010dn\u00e9. <\/p>\n

Mezi konkuren\u010dn\u00edmi za\u0159\u00edzen\u00edmi je nejbl\u00ed\u017ee Raspberry Pi Zero 2 W \u010d\u00ednsk\u00e1 deska Orange Pi Zero Plus2, kter\u00e1 m\u00e1 rozm\u011bry 46 x 48 mm a prod\u00e1v\u00e1 se za 35 dolar\u016f s 512 MB RAM a \u010dipem Allwinner H3. Deska Orange Pi Zero Plus2 je vybavena 8 GB EMMC Flash, m\u00e1 plnohodnotn\u00fd HDMI port, slot pro TF kartu, USB OTG, stejn\u011b jako kontakty pro p\u0159ipojen\u00ed mikrofonu, infra\u010derven\u00e9ho p\u0159ij\u00edma\u010de (IR) a dvou dal\u0161\u00edch USB port\u016f. Deska je osazena \u010dty\u0159j\u00e1drov\u00fdm procesorem Allwinner H5 (Cortex-A53) s GPU Mali Mali450 nebo Allwinner H3 (Cortex-A7) s GPU Mali400MP2. M\u00edsto 40-pin GPIO je dod\u00e1v\u00e1no zkr\u00e1cen\u00e9 26-pinov\u00e9 rozhran\u00ed, kompatibiln\u00ed s Raspberry Pi B+. K dispozici je tak\u00e9 m\u00e9n\u011b v\u00fdkonn\u00e1 deska Orange Pi Zero 2, ale ta je vybavena 1 GB RAM a ethernetov\u00fdm portem nav\u00edc k Wi-Fi.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 […]<\/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\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Byla p\u0159edstavena nov\u00e1 deska Raspberry Pi Zero 2 W | ProHoster","description":"Projekt Raspberry Pi ozn\u00e1mil uveden\u00ed nov\u00e9ho modelu desky Raspberry Pi Zero W, kter\u00e1 kombinuje kompaktn\u00ed velikosti a podporu Bluetooth a Wi-Fi.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/predstavlena-novaya-plata-raspberry-pi-zero-2-w","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u043f\u043b\u0430\u0442\u0430 Raspberry Pi Zero 2 W | 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