Rasberi Pi 4 Kwamfuta
Model B
An buga shi a watan Mayu 2020 ta Raspberry Pi Trading Ltd. www.raspberrypi.org
Ƙarsheview
Rasberi Pi 4 Model B shine sabon samfuri a cikin mashahurin Rasberi Pi kewayon kwamfutoci. Yana ba da haɓaka haɓaka ƙasa a cikin saurin sarrafawa, aikin multimedia, ƙwaƙwalwar ajiya, da haɗin kai idan aka kwatanta da farkon tsarawa
Rasberi Pi 3 Model B+, yayin da yake riƙe dacewa da baya da kuma amfani da wutar lantarki iri ɗaya. Ga mai amfani na ƙarshe, Rasberi Pi 4 Model B yana ba da aikin tebur kwatankwacin tsarin shigarwa x86 PC.
Mahimman kayan aikin wannan kayan sun hada da babban mai sarrafa kwata-kwata 64-bit, tallafi na nuni biyu a shawarwari har zuwa 4K ta hanyar micro-HDMI mashigai guda biyu, dodewa da bidiyo na kayan aiki har zuwa 4Kp60, har zuwa 8GB na RAM, dual -band 2.4 / 5.0 GHz mara waya ta LAN, Bluetooth 5.0, Gigabit Ethernet, USB 3.0, da damar PoE (ta hanyar ƙarin PoE HAT add-on).
LAN da Bluetooth mara waya biyu-biyu suna da takaddun takaddun yarda, wanda ya ba da izinin tsara fasalin cikin ƙarancin kayayyaki tare da rage ƙa'idodin gwaji, inganta tsada da lokaci zuwa kasuwa.
Ƙayyadaddun bayanai
| Mai sarrafawa: | Broadcom BCM2711, quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz |
| Ƙwaƙwalwar ajiya: | 2GB, 4GB ko 8GB LPDDR4 (dangane da ƙira) |
| Haɗuwa | 2.4 GHz da 5.0 GHz IEEE 802.11b/g/n/ac mara waya LAN, Bluetooth 5.0, BLE Gigabit Ethernet 2 × USB 3.0 tashar jiragen ruwa 2 × USB 2.0 tashar jiragen ruwa. |
| GPIO: | Tabbataccen taken 40-pin GPIO (cikakke baya-mai dacewa da allon baya) |
| Bidiyo & Sauti: | 2 × micro HDMI tashar jiragen ruwa (har zuwa 4Kp60 ana tallafawa) 2-layin MIPI DSI tashar nuni 2-Lane MIPI CSI tashar jiragen ruwa 4-pole sitiriyo mai jiwuwa da kuma tashar bidiyo mai haɗawa |
| Multimedia: | H.265 (yankewar 4Kp60); H.264 (1080p60 ƙididdigewa, 1080p30 encode); Buɗe GL ES, 3.0 graphics |
| SD katin goyon baya: | Ramin katin SD Micro don loda tsarin aiki da ajiyar bayanai |
| Ƙarfin shigarwa: | 5V DC ta hanyar haɗin USB-C (mafi ƙarancin 3A 1) 5V DC ta hanyar GPIO header (mafi ƙarancin 3A1) Ƙarfin Ethernet (PoE) – kunna (yana buƙatar raba PoE HAT) |
| Muhalli: | Yanayin aiki 0-50ºC |
| Biyayya: | Don cikakken jerin abubuwan yarda da kayan gida da yanki, da fatan za a ziyarci https://www.raspberrypi.org/documentation/hardware/raspberrypi/conformity.md |
| Production rayuwa: | Rasberi Pi 4 Model B zai ci gaba da kasancewa har zuwa aƙalla Janairu 2026. |
Ƙayyadaddun Jiki
GARGADI
Wannan samfurin ya kamata a haɗa shi da wutar lantarki ta waje wanda aka ƙididdige shi a 5V/3A DC ko 5.1V/ 3A DC ƙarami Duk wani wutar lantarki na waje da aka yi amfani da shi tare da Rasberi Pi 4 Model B zai bi ka'idoji masu dacewa kuma ana amfani da ƙa'idodi a ƙasar da aka yi niyya. amfani.
- Ya kamata a yi amfani da wannan samfurin a cikin yanayin iska mai kyau, kuma, idan an yi amfani da shi a cikin shari'ar, bai kamata a rufe shari'ar ba.
- Wannan samfurin ya kamata a sanya shi a kan barga, lebur, mara motsi a cikin amfani kuma kada abubuwa masu ma'amala su tuntube shi.
- Haɗin na'urorin da basu dace ba da haɗin GPIO na iya shafar bin ƙa'idodi kuma ya haifar da lalacewar naúrar tare da soke garantin.
- Duk wasu bangarorin da ake amfani da su tare da wannan samfurin ya kamata su bi ka'idodi masu dacewa na kasar amfani kuma a yi masu alama daidai da hakan don tabbatar da cewa an sadu da bukatun aminci da aiki. Waɗannan labaran sun haɗa amma ba'a iyakance ga faifan maɓalli ba, masu saka idanu da ƙananan yara idan ana amfani dasu tare da Rasberi Pi.
- Inda aka haɗa bangarorin da basu haɗa da kebul ko mahaɗin ba, kebul ɗin ko mahaɗin dole ne ya ba da isasshen rufi da aiki domin a cika abin da ya dace da bukatun aminci.
UMARNIN TSIRA
Don kauce wa matsalar aiki ko lalacewar wannan samfurin don Allah kiyaye abubuwa masu zuwa:
- Kada a bijirar da ruwa, danshi ko sanyawa a saman ƙasa yayin aiki.
- Kada a bijirar da shi zuwa zafi daga kowane tushe; Rasberi Pi 4 Model B an tsara shi don amintaccen aiki a yanayin yanayin ɗabi'ar al'ada.
- Kula yayin amfani dashi don kauce wa lalacewar injiniya ko lantarki zuwa bugu da kewayen mahaɗin da aka buga.
- Guji sarrafa da'irar da'ira yayin da ake kunna ta kuma tana riƙe da gefuna kawai don rage haɗarin lalacewar fitarwar lantarki.
Za'a iya amfani da inganci mai kyau na ingancin wutan lantarki 2.5A idan mahaɗan USB ke gangaro ƙasa da 500mA gaba ɗaya.
HDMI®, tambarin HDMI®, da High-Definition Multimedia Interface alamun kasuwanci ne ko alamun kasuwanci masu rijista na HDMI® Lasisi LLC.
MIPI DSI da MIPI CSI alamun sabis ne na MIPI Alliance, Inc.
Rasberi Pi da tambarin Rasberi Pi alamun kasuwanci ne na Rasberi Pi Foundation. www.raspberrypi.org
Takardu / Albarkatu
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Rasberi Pi Rasberi Pi 4 Kwamfuta - Model B [pdf] Jagorar mai amfani Rasberi Pi, Rasberi, Pi 4, Kwamfuta, Model B |
