{"id":2915,"date":"2013-03-29T14:00:38","date_gmt":"2013-03-29T07:00:38","guid":{"rendered":"http:\/\/snt.com.vn\/blog\/?p=2915"},"modified":"2013-03-29T14:00:38","modified_gmt":"2013-03-29T07:00:38","slug":"tren-tay-raspberry-pi-type-b-_-rev-2-may-tinh-gia-r%e1%ba%bb","status":"publish","type":"post","link":"https:\/\/snt.com.vn\/blog\/tren-tay-raspberry-pi-type-b-_-rev-2-may-tinh-gia-r%e1%ba%bb\/","title":{"rendered":"Tr\u00ean tay Raspberry Pi type B _ rev 2 &#8211; m\u00e1y t\u00ednh gi\u00e1 r\u1ebb"},"content":{"rendered":"<div><img decoding=\"async\" src=\"http:\/\/cdn.tinhte.vn\/attachments\/tinhte-raspberry-pi-1-jpg.1060101\/\" alt=\"Tinhte-Raspberry Pi-1\" \/><\/div>\n<p>\u0110\u00e3 kh\u00e1 l\u00e2u t\u1eeb l\u00fac <a href=\"http:\/\/www.tinhte.vn\/threads\/1006857\/\">C<\/a><a href=\"http:\/\/www.tinhte.vn\/threads\/1006857\/\">hi\u1ebfc m\u00e1y t\u00ednh nh\u1ecf b\u1eb1ng th<\/a>\u1ebb t\u00edn d\u1ee5ng ch\u1ea1y n\u1ec1n Linux c\u00f3 t\u00ean <a href=\"http:\/\/www.tinhte.vn\/threads\/1006857\/\">Raspberry Pi<\/a> ra m\u1eaft, kh\u00e1 l\u00e2u tuy nhi\u00ean \u0111\u1ec3 \u0111\u1eb7t \u0111\u01b0\u1ee3c n\u00f3 kh\u00e1 kh\u00f3 kh\u0103n do s\u1ed1 l\u01b0\u1ee3ng c\u00f3  h\u1ea1n v\u00e0 m\u1ed7i ng\u01b0\u1eddi ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u1eb7t 1 chi\u1ebfc 1 l\u1ea7n. M\u00ecnh \u0111\u00e3 order t\u1eeb m\u1ea5y th\u00e1ng  tr\u01b0\u1edbc m\u00e0 \u0111\u1ebfn nh\u1eefng ng\u00e0y cu\u1ed1i n\u0103m 2012, m\u1edbi c\u00f3 s\u1ea3n ph\u1ea9m \u0111\u1ec3 tr\u00ean tay.  Chi\u1ebfc m\u00ecnh c\u00f3 \u0111\u01b0\u1ee3c l\u00e0 <a href=\"http:\/\/www.tinhte.vn\/tags\/raspberry+pi\/\">Raspberry Pi<\/a> <a href=\"http:\/\/www.tinhte.vn\/tags\/type+b\/\">type B<\/a> rev 2- b\u1ea3n n\u00e0y c\u00f3 ram 512MB.\n<\/p>\n<div><img decoding=\"async\" src=\"http:\/\/cdn.tinhte.vn\/attachments\/tinhte-raspberry-pi-2-jpg.1060102\/\" alt=\"Tinhte-Raspberry Pi-2\" \/><\/div>\n<p><strong><em>C\u1ea5u h\u00ecnh m\u00e1y <a href=\"http:\/\/www.tinhte.vn\/tags\/raspberry+pi\/\">Raspberry Pi<\/a>:<\/em><\/strong><\/p>\n<ul>\n<li>CPU: ARM11- 700MHz<\/li>\n<li>L\u01b0u tr\u1eef: H\u1ed7 tr\u1ee3 th\u1ebb SD v\u00e0 SDHC<\/li>\n<li>B\u1ed9 nh\u1edb: 512MB (type B <a href=\"http:\/\/www.tinhte.vn\/tags\/rev+2\/\">rev 2<\/a>), 256MB (type A v\u00e0 type B rev 1)<\/li>\n<li>\u0110\u1ed3 ho\u1ea1: Broadcom VideoCore IV, OpenGL ES 2.0\u2026<\/li>\n<li>K\u1ebft n\u1ed1i: 2 USB 2.0, ng\u00f5 ra HDMI, ng\u00f5 ra RCA, 1 audio 3.5mm, ethernet 10\/100(type B), 8x GPIO,2 SPI bus<\/li>\n<\/ul>\n<p>Ngu\u1ed3n 5v qua c\u1ed5ng micro usb &#8211; \u1edf \u0111\u00e2y th\u1eed nghi\u1ec7m m\u00ecnh d\u00f9ng s\u1ea1c samsung 5v-1000mA <img decoding=\"async\" src=\"http:\/\/www.tinhte.vn\/styles\/default\/xenforo\/clear.png\" alt=\":)\" \/>( c\u00e1i n\u00e0y t\u00f9y theo thi\u1ebft b\u1ecb m\u00e0 b\u1ea1n c\u1eafm th\u00eam ho\u1eb7c mu\u1ed1n \u00e9p xung ) &#8211; recomment c\u1ee7a Raspberry l\u00e0 700mA<\/p>\n<p> Nh\u00ecn qua c\u1ea5u h\u00ecnh c\u00f3 th\u1ec3 c\u00e1c b\u1ea1n ch\u01b0a h\u00e0i l\u00f2ng v\u00e0 s\u1ebd ph\u00e1n ng\u00e0y &#8220;h\u01a1i y\u1ebfu&#8221;  tuy nhi\u00ean v\u1edbi v\u1ecfn v\u1eb9n 35$ v\u00e0 c\u00e1c k\u1ebft n\u1ed1i chu\u1ea9n full size: 2 USB, HDMI  rev 1.3 v\u00e0 1.4, full HD 1080p 30f v\u00e0 m\u1ed9t lo\u1ea1i GPIO v\u00e0 SPI \u0111\u1ec3 c\u00f3 th\u1ec3 m\u1edf  r\u1ed9ng th\u00ec c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi g\u00ec h\u01a1n n\u1eefa \u1edf m\u1ed9t s\u1ea3n ph\u1ea9m t\u1ed1t nh\u01b0 th\u1ebf n\u00e0y v\u1edbi  k\u00edch th\u01b0\u1edbc ch\u1ec9 b\u1eb1ng 1\/3 b\u00e0n tay ng\u01b0\u1eddi l\u1edbn.<\/p>\n<p> <em><strong>SoC v\u00e0 CPU: <\/strong><\/em><\/p>\n<p> Theo wiki, Raspberry s\u1eed d\u1ee5ng chip SoC v\u00e0 CPU c\u1ee7a broadcom BCM2835.<br \/>\n \u1ede \u0111\u00e2y t\u1ea5t c\u1ea3 c\u00e1c d\u00f2ng RPI \u0111\u1ec1u s\u1eed d\u1ee5ng chip do SMSC s\u1ea3n xu\u1ea5t. Ram c\u1ee7a Hynix ho\u1eb7c Samsung.<br \/>\n Th\u1ef1c t\u1ebf s\u1ea3n ph\u1ea9m tr\u00ean tay s\u1eed d\u1ee5ng ram Samsung.<br \/>\n &lt; \u0110\u00ednh ch\u00ednh l\u1ea1i, do b\u00e0i vi\u1ebft \u0111\u00e3 l\u00e2u, em \u0111\u00e3 t\u00ecm hi\u1ec3u th\u00eam \u0111\u01b0\u1ee3c nhi\u1ec1u th\u1ee9 h\u01a1n &gt;<br \/>\n Link check xem con c\u1ee7a c\u00e1c b\u00e1c \u0111ang s\u1eed d\u1ee5ng nh\u00e9:<br \/>\n <a rel=\"nofollow\" href=\"http:\/\/elinux.org\/RaspberryPi_Boards\" target=\"_blank\">http:\/\/elinux.org\/RaspberryPi_Boards<\/a><\/p>\n<p> \u0110i\u1ec3m \u0111\u1ed9c \u0111\u00e1o c\u1ee7a SoC tr\u00ean Raspberry Pi type B rev2 ( t\u1eeb \u0111\u00e2y g\u1ecdi t\u1eaft l\u00e0  RPB2) l\u00e0 kh\u1ea3 n\u0103ng \u00e9p xung c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 1000MHZ. ( M\u1edbi nh\u1eadn n\u00ean ch\u01b0a  ki\u1ec3m tra \u0111\u01b0\u1ee3c vi\u1ec7c n\u00e0y do \u0111\u1ec3 test \u1ee9ng d\u1ee5ng c\u01a1 b\u1ea3n tr\u01b0\u1edbc k\u1ebbo &#8220;em n\u00f3&#8221; qu\u00e1  s\u1ee9c &#8230; ^^ )<\/p>\n<ol>\n<li>&#8220;None&#8221;; 700 MHz ARM, 250 MHz core, 400 MHz SDRAM, 0 overvolt,<\/li>\n<li>&#8220;Modest&#8221;; 800 MHz ARM, 250 MHz core, 400 MHz SDRAM, 0 overvolt,<\/li>\n<li>&#8220;Medium&#8221; 900 MHz ARM, 250 MHz core, 450 MHz SDRAM, 2 overvolt,<\/li>\n<li>&#8220;High&#8221;; 950 MHz ARM, 250 MHz core, 450 MHz SDRAM, 6 overvolt,<\/li>\n<li>&#8220;Turbo&#8221;; 1000 MHz ARM, 500 MHz core, 600 MHz SDRAM, 6 overvol<\/li>\n<\/ol>\n<div><em><strong>GPU<\/strong><\/em><\/div>\n<p>Broadcom  VideoCore IV, OpenGL ES 2.0 h\u1ed7 tr\u1ee3 r\u1ea5t nhi\u1ec1u \u0111\u1ed9 ph\u00e2n gi\u1ea3i t\u1eeb 640&#215;350  \u0111\u1ebfn 1920 \u00d7 1200. Trong th\u1eed nghi\u1ec7m m\u00ecnh k\u1ebft n\u1ed1i v\u1edbi tivi Sony 40 inch  full HD, h\u00ecnh ra m\u1ecbn v\u00e0 r\u00f5 n\u00e9t, xem phim full HD kh\u00e1 m\u01b0\u1ee3t m\u00e0. Nh\u01b0 v\u1eady  RPB2 c\u00f3 th\u1ec3 thay th\u1ec3 kh\u00e1 t\u1ed1t \u0111\u1ea7u ph\u00e1t HD cho TV r\u1ed3i. H\u1ed7 tr\u1ee3 codec h.264  v\u00e0 decode, encode t\u1eeb ph\u1ea7n c\u1ee9ng n\u00ean c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 y\u00ean t\u00e2m.<\/p>\n<p> <em><strong>V\u1ec1 h\u1ec7 \u0111i\u1ec1u h\u00e0nh, giao ti\u1ebfp, v\u00e0 s\u1eed d\u1ee5ng:<\/strong><\/em><\/p>\n<div><img decoding=\"async\" src=\"http:\/\/cdn.tinhte.vn\/attachments\/tinhte-raspberry-pi-3-jpg.1060103\/\" alt=\"Tinhte-Raspberry Pi-3\" \/><\/div>\n<div>RPB2 kh\u00f4ng c\u00f3 \u1ed5 c\u1ee9ng  \u0111i k\u00e8m n\u00ean b\u1ea1n ph\u1ea3i c\u00e0i h\u1ec7 \u0111i\u1ec1u h\u00e0nh l\u00ean th\u1ebb nh\u1edb (t\u1ed1i thi\u1ec3u 4GB). \u1ede  \u0111\u00e2y,m\u00ecnh c\u00e0i h\u1ec7 \u0111i\u1ec1u h\u00e0nh khuy\u00ean d\u00f9ng c\u1ee7a Raspberry l\u00e0 Raspbian.<\/div>\n<div>Vi\u1ec7c c\u00e0i \u0111\u1eb7t h\u1ec7 \u0111i\u1ec1u h\u00e0nh n\u00e0y kh\u00e1 \u0111\u01a1n gi\u1ea3n ch\u1ec9 m\u1ea5t 5-10 ph\u00fat qua m\u00e1y t\u00ednh chuy\u1ec3n file \u1ea3nh sang th\u1ebb nh\u1edb l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng.<\/div>\n<div>Giao ti\u1ebfp:<\/div>\n<ul>\n<li>M\u00e1y nh\u1eadn thi\u1ebft b\u1ecb r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 nhanh g\u1ecdn, m\u00ecnh d\u00f9ng b\u00e0n ph\u00edm USB  c\u1ee7a Dell v\u00e0 chu\u1ed9t kh\u00f4ng d\u00e2y lazer c\u1ee7a Fuhlen, \u0111\u1ec1u nh\u1eadn r\u1ea5t t\u1ed1t.<\/li>\n<li>B\u1ea1n c\u00f3 th\u1ec3 c\u1eafm m\u1ea1ng qua port ethernet ho\u1eb7c d\u00f9ng usb wifi r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 d\u00f9ng.<\/li>\n<\/ul>\n<div>Nh\u01b0 v\u1eady sau khi c\u1eafm HDMI sang tivi, chu\u1ed9t v\u00e0 b\u00e0n  ph\u00edm USB, ngu\u1ed3n 5V, v\u00e0 t\u1ea5t nhi\u00ean th\u1ebb nh\u1edb SD (\u1edf \u0111\u00e2y m\u00ecnh d\u00f9ng Sandisk  16GB Class 10) b\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng cho m\u1ed9t chi\u1ebfc m\u00e1y t\u00ednh ch\u1ec9 nh\u1ecf b\u1eb1ng th\u1ebb  t\u00edn d\u1ee5ng.<\/div>\n<div><em><strong>\u0110\u00e1nh gi\u00e1 chung<\/strong><\/em><\/div>\n<div><em><strong>\u01afu \u0111i\u1ec3m:<\/strong><\/em><\/div>\n<ul>\n<li>K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nh\u01b0 HDPC cho TV<\/li>\n<li>Gi\u00e1 r\u1ebb, l\u00e0m m\u00e1y t\u00ednh gi\u00e1 r\u1ebb ch\u1ea1y Linux, ho\u1eb7c t\u00edch h\u1ee3p v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd, t\u1ef1 \u0111\u1ed9ng kh\u00e1c.<\/li>\n<li>H\u1ed7 tr\u1ee3 nhi\u1ec1u \u0111\u1ed9 ph\u00e2n gi\u1ea3n \u0111\u1ebfn 1080p\/30f<\/li>\n<li>B\u1ea1n c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m t\u1eeb Pi store, ho\u1eb7c c\u00e1c ph\u1ea7n m\u1ec1m Linux  kh\u00e1c m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, nh\u01b0 t\u1ea3i Chrome \u0111\u1ec3 duy\u1ec7t web, VLC cho linux \u0111\u1ec3  xem video,&#8230;<\/li>\n<li>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng t\u1ed1t.<\/li>\n<\/ul>\n<div><em><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/em><\/div>\n<ul>\n<li>Tuy nhi\u00ean khi kh\u1edfi \u0111\u1ed9ng m\u1ed9t \u1ee9ng d\u1ee5ng, ph\u1ea3i m\u1ea5t 2-5s \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng \u1ee9ng  d\u1ee5ng. L\u00fac \u0111\u1ea7u m\u00ecnh c\u00f2n t\u01b0\u1edfng ch\u01b0a \u0111\u01b0\u1ee3c n\u00ean click m\u1ea5y c\u00e1i ra 3-4 c\u1eeda s\u1ed5  lu\u00f4n. M\u00ecnh kh\u00f4ng r\u00f5 do th\u1ebb nh\u1edb c\u1ee7a m\u00ecnh hay do h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/li>\n<li>Khi r\u00fat v\u00e0 c\u1eafm c\u00e1c thi\u1ebft b\u1ecb usb kh\u00e1c, h\u1ec7 \u0111i\u1ec1u h\u00e0nh t\u1ef1 \u0111\u1ed9ng kh\u1edfi \u0111\u1ed9ng  l\u1ea1i \u0111\u1ec3 nh\u1eadn thi\u1ebft b\u1ecb &#8211;&gt; m\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1 nghi\u00eam tr\u1ecdng ( v\u1edbi raspbian,  c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c ch\u01b0a \u0111\u00e1nh gi\u00e1 )<\/li>\n<li>Kh\u00f4ng c\u00f3 h\u1ed9p \u0111\u1ef1ng (ph\u1ea3i mua th\u00eam v\u1edbi gi\u00e1 kho\u1ea3ng 5-7$)<\/li>\n<\/ul>\n<div><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2013\/03\/Capture4.jpg\"><\/a><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2013\/03\/Capture4.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-2921\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2013\/03\/Capture4-300x222.jpg\" alt=\"\" width=\"300\" height=\"222\" \/><\/a><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2013\/03\/Capture3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-2920\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2013\/03\/Capture3-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" \/><\/a><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2013\/03\/Capture2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-2919\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2013\/03\/Capture2-300x223.jpg\" alt=\"\" width=\"300\" height=\"223\" \/><\/a><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2013\/03\/51.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-2917\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2013\/03\/51-300x220.jpg\" alt=\"\" width=\"300\" height=\"220\" \/><\/a><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><strong><em>(tinhte)<\/em><\/strong><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u00e3 kh\u00e1 l\u00e2u t\u1eeb l\u00fac Chi\u1ebfc m\u00e1y t\u00ednh nh\u1ecf b\u1eb1ng th\u1ebb t\u00edn d\u1ee5ng ch\u1ea1y n\u1ec1n Linux c\u00f3 t\u00ean Raspberry Pi<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - 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