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Raspberry Pi 4B

ʻO ka wehewehe pōkole:

ʻO ka Raspberry Pi 4B kahi mea hou i ka ʻohana Raspberry PI o nā kamepiula. Ua hoʻomaikaʻi maikaʻi ʻia ka wikiwiki o ka mea hana i hoʻohālikelike ʻia i ka hanauna mua Raspberry Pi 3B+. Loaʻa iā ia ka multimedia waiwai, ka nui o ka hoʻomanaʻo a me ka pilina maikaʻi. No nā mea hoʻohana hope, hāʻawi ka Raspberry Pi 4B i ka hana pākaukau e like me nā ʻōnaehana x86PC komo.

 

He 64-bit quad-core processor ka Raspberry Pi 4B e holo ana ma 1.5Ghz; Hōʻike pālua me ka hoʻonā 4K a hiki i ka 60fps refresh; Loaʻa i nā koho hoʻomanaʻo ʻekolu: 2GB / 4GB / 8GB; Ma luna o ka 2.4/5.0 Ghz lua-pānaehana WiFi a me 5.0 BLE ikehu haʻahaʻa Bluetooth; 1 gigabit Ethernet awa; 2 mau awa USB3.0; 2 USB 2.0 awa; 1 5V3A awa mana.


Huahana Huahana

Huahana Huahana

435
Helu kumu hoʻohālike Pi3B+ Pi 4B Pi 400
Mea hana 64-bit 1.2GHz quad-core 64-bit 1.5GHz quad-core
Hoʻomanaʻo holo 1GB 2GB, 4GB, 8GB 4GB
ʻO WiFi ʻole 802.1n uea 2.4GHz / 5GHz ʻelua-pānaʻi WiFi
Bluetooth uwea ole Bluetooth4.2 BLE Bluetooth 5.0 BLE
awa upena Ethernet 300Mbps Gigabit Ethernet
awa USB 4 USB 2.0 awa 2 USB 3.0 awa
2 USB 2.0 awa
2 USB 3.0 awa
1 mau awa USB 2.0
awa GPIO 40 GPIO pine
Leo a me ka wikiō 1 HDMI nui piha
Port, hōʻike MIPI DSI
Hōʻike i ke awa, MIPI CSI
Ka pahupaʻikiʻi, hoʻopuka stereo a me ke awa wikiō hui
2 micro HDMI awa no ka wikiō a me ke kani, a hiki i 4Kp60.
MIPI DSI hōʻike awa, MIPI CSI pahu pahupaʻiwikiō, stereo leo a me ka composite wikiō awa
Kākoʻo multimedia H.264,MPEG-4
Hoʻololi: 1080p30.
H.264 code: 1080
p30.
OpenGL ES: 1.1,
2.0kiʻi.
H.265:4Kp60 decoding
H.264:1080p60 wehe ʻana,
1080p30 hoʻopili OpenGL ES: 3.0 kiʻi
Kākoʻo Kāleka SD Kāleka kāleka MicroSD
Ka mana lako modc Micro USB USB ʻano C
USB ʻano C Me ka hana POE (pono ʻia ka module hou) ʻAʻole hiki ke hana POE
Mana hookomo 5V 2.5A 5V 3A
Kākoʻo hoʻoholo 1080 hoʻonā A hiki i ka 4K hoʻonā e kākoʻo i nā hōʻike ʻelua
Kaiapuni hana 0-50C
635
723

ʻO ka Raspberry Pi 4 Model B (Raspberry Pi 4 Model B) ka hā o ka hanauna o ka ʻohana Raspberry PI, kahi microcomputer hana kiʻekiʻe, haʻahaʻa haʻahaʻa. Hele mai me ka 1.5GHz 64-bit quad-core ARM Cortex-A72 CPU (Broadcom BCM2711 chip) e hoʻonui nui i ka mana hana a me ka hana multitasking. Kākoʻo ka Raspberry PI 4B a hiki i ka 8GB o LPDDR4 RAM, he port USB 3.0 no ka hoʻoili ʻikepili wikiwiki a, no ka manawa mua, hoʻolauna i kahi mana USB Type-C no ka hoʻouka wikiwiki a me ka mana.

Hōʻike pū ke kumu hoʻohālike i ʻelua mau kikowaena Micro HDMI e hiki ke hoʻopuka i ka wikiō hoʻonā 4K i ka manawa like i ʻelua mau mākaʻikaʻi, e kūpono ia no nā keʻena hana kūpono a i ʻole nā ​​kikowaena multimedia. Hoʻohui ʻia ka hoʻohui ʻana i ka uea ʻole me 2.4/5GHz ʻelua-band Wi-Fi a me Bluetooth 5.0/BLE, e hōʻoia ana i ka ʻenehana maʻalahi a me ka hoʻopili ʻana i nā hāmeʻa. Eia kekahi, paʻa ka Raspberry PI 4B i ka pine GPIO, e ʻae i nā mea hoʻohana e hoʻopili i nā ʻano mea ʻike like ʻole a me nā mea hana no ka hoʻomohala lōʻihi ʻana, e kūpono ia no ke aʻo ʻana i ka papahana, nā papahana iot, nā robotics a me nā ʻano hana hana DIY.


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