![\"Predstavljena](\"\/wp-content\/uploads\/2021\/10\/ca216de7cea17f9586b299bddfcd483c.jpg\")
<\/center> <\/p>\nKlju\u010dno pobolj\u0161anje nove verzije Raspberry Pi Zero je prelazak na SoC Broadcom BCM2710A1, sli\u010dno onom koji se koristio u plo\u010dama Raspberry Pi 3 (u pro\u0161loj generaciji plo\u010da Zero koristila je SoC Broadcom BCM2835, kao u prvom Raspberry Pi). Za razliku od Raspberry Pi 3, kako bi se smanjila potro\u0161nja energije, radna frekvencija procesora sni\u017eena je s 1.4GHz na 1GHz. Prema vi\u0161ekratnom testu sysbench, nadogradnja SoC-a omogu\u0107ila je pove\u0107anje performansi plo\u010de pet puta (u novom SoC-u koristi se \u010detverojezgreni 64-bitni CPU Arm Cortex-A53 umjesto jednojezgrenog 32-bitnog ARM11 ARM1176JZF-S). <\/p>\n
Kao i u prethodnoj verziji, Raspberry Pi Zero 2 W dolazi s 512MB RAM-a, Mini-HDMI portom, dva Micro-USB porta (USB 2.0 s OTG i port za napajanje), microSD utorom, 40-pinskim GPIO konektorom (koji nije lemiljen), izlazima za kompozitni video i kameru (CSI-2). Plo\u010da je opremljena be\u017ei\u010dnim \u010dipom koji podr\u017eava Wi-Fi 802.11 b\/g\/n (2.4GHz), Bluetooth 4.2 i Bluetooth Low Energy (BLE). Za prolazak FCC certifikacije i za\u0161titu od vanjskih smetnji, be\u017ei\u010dni \u010dip u novoj plo\u010di za\u0161ti\u0107en je metalnim ku\u0107i\u0161tem. <\/p>\n
Integrirani GPU u SoC-u podr\u017eava OpenGL ES 1.1 i 2.0 i pru\u017ea sredstva za ubrzanje dekodiranja videozapisa u formatima H.264 i MPEG-4 kvalitete 1080p30, kao i kodiranja u formatu H.264, \u010dime se pro\u0161iruje primjena plo\u010de u raznim multimedijskim ure\u0111ajima i sustavima pametnih domova. Na\u017ealost, veli\u010dina radne memorije ograni\u010dena je na 512 MB i ne mo\u017ee se pove\u0107ati zbog fizi\u010dkih ograni\u010denja veli\u010dine plo\u010de. Za isporuku 1GB RAM-a bila bi potrebna slo\u017eenija vi\u0161eslojna konstrukcija koju programeri trenutno nisu spremni implementirati.
![\"Pogledajte](\"https:\/\/img.youtube.com\/vi\/V2frBYX62LU\/hqdefault.jpg\")
\r\n Glavni problem prilikom dizajniranja Raspberry Pi Zero 2 W plo\u010de bio je rje\u0161avanje pitanja postavljanja LPDDR2 SDRAM memorije. U prvoj generaciji tvrdog diska, memorija je bila smje\u0161tena u dodatnom sloju iznad SoC \u010dipa, realiziranog pomo\u0107u PoP (package-on-package) tehnologije, no u novim Broadcom \u010dipovima taj je postupak bio nemogu\u0107 zbog pove\u0107anja veli\u010dine SoC-a. Za rje\u0161avanje nastalog problema, u suradnji s Broadcomom, razvijena je posebna verzija \u010dipa u kojem je memorija integrirana u SoC.
![\"Predstavljena](\"\/wp-content\/uploads\/2021\/10\/82c45731c60677515fc651a443c9efe7.jpg\")
<\/center> <\/p>\nJo\u0161 jedan problem bio je pove\u0107anje toplinske disipacije zbog kori\u0161tenja sna\u017enijeg procesora. Problem je rije\u0161en dodavanjem debljih bakrenih slojeva na plo\u010du radi odvo\u0111enja i raspr\u0161ivanja topline s procesora. Zbog toga je te\u017eina plo\u010de zna\u010dajno pove\u0107ana, no pristup je ocijenjen uspje\u0161nim i bio je dovoljan da se izbjegne pregrijavanje tijekom neograni\u010denog stresnog testa linearne algebre LINPACK pri okolnoj temperaturi od 20 stupnjeva. <\/p>\n
Me\u0111u konkurentskim ure\u0111ajima, kineska plo\u010da Orange Pi Zero Plus2 je najbli\u017ea Raspberry Pi Zero 2 W, sa veli\u010dinom od 46\u00d748 mm i cijenom od 35 dolara, koja dolazi s 512MB RAM-a i Allwinner H3 \u010dipom. Plo\u010da Orange Pi Zero Plus2 ima 8 GB EMMC Flash, potpuno HDMI priklju\u010dak, TF Card slot, USB OTG, kao i kontakte za povezivanje mikrofona, infracrvenog prijemnika (IR) i dva dodatna USB priklju\u010dka. Opremljena je \u010detverojezgrenim procesorom Allwinner H5 (Cortex-A53) s GPU-om Mali Mali450 ili Allwinner H3 (Cortex-A7) s GPU-om Mali400MP2. Umjesto 40-pinsky GPIO, dolazi sa skra\u0107enim 26-pinskim priklju\u010dkom, kompatibilnim s Raspberry Pi B+. Tako\u0111er je dostupna manje sna\u017ena plo\u010da Orange Pi Zero 2, koja dolazi s 1 GB RAM-a i Ethernet priklju\u010dkom uz Wi-Fi. \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\udd47Nova plo\u010da Raspberry Pi Zero 2 W predstavljena | ProHoster","description":"Projekt Raspberry Pi objavio je da je novo generacija Raspberry Pi Zero W plo\u010de stigla u prodaju, kombiniraju\u0107i kompaktnu veli\u010dinu s podr\u0161kom za Bluetooth i 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Izvor: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"