{"id":1751,"date":"2019-03-21T16:29:29","date_gmt":"2019-03-21T15:29:29","guid":{"rendered":"https:\/\/rosetta.vn\/short\/?p=1751"},"modified":"2019-03-21T16:35:33","modified_gmt":"2019-03-21T15:35:33","slug":"google-cloud-vision-nhan-dang-chu-ocr","status":"publish","type":"post","link":"https:\/\/rosetta.vn\/short\/2019\/03\/21\/google-cloud-vision-nhan-dang-chu-ocr\/","title":{"rendered":"Google Cloud Vision nh\u1eadn d\u1ea1ng ch\u1eef OCR"},"content":{"rendered":"

Google Cloud c\u00f3 th\u00e0nh ph\u1ea7n GC Vision API \u0111\u1ec3 nh\u1eadn d\u1ea1ng ch\u1eef trong h\u00ecnh \u1ea3nh, v\u0103n b\u1ea3n. N\u00f3 t\u1ef1 d\u00f2 t\u00ecm t\u1eebng kh\u1ed1i v\u0103n b\u1ea3n, nh\u1eadn ra \u0111\u01b0\u1ee3c ch\u1eef thu\u1ed9c ng\u00f4n ng\u1eef g\u00ec.<\/p>\n

Code \u0111\u1ec3 nh\u1eadn d\u1ea1ng ch\u1eef trong v\u0103n b\u1ea3n, d\u00f9ng c\u00f4ng c\u1ee5 gcloud trong terminal, k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c tr\u1ea3 v\u1ec1 \u1edf d\u1ea1ng JSON:<\/p>\n

gcloud ml vision detect-document resources\/column_stem.jpg > result_gcloud_detect-document.json
\ngcloud ml vision detect-text resources\/column_stem.jpg > result_gcloud_detect-text.json<\/p><\/blockquote>\n

Theo Google cho bi\u1ebft th\u00ec d\u00f9ng “detect-document” khi file h\u00ecnh l\u00e0 v\u0103n b\u1ea3n d\u00e0y \u0111\u1eb7c ch\u1eef (“dense document text”, h\u01b0\u1edbng d\u1eabn: https:\/\/cloud.google.com\/vision\/docs\/detecting-fulltext<\/a>), c\u00f2n khi trong h\u00ecnh c\u00f3 \u00edt ch\u1eef th\u00ec d\u00f9ng “detect-text” (h\u01b0\u1edbng d\u1eabn: https:\/\/cloud.google.com\/vision\/docs\/detecting-text<\/a>).<\/p>\n

Trong tr\u01b0\u1eddng h\u1ee3p d\u00f9ng Python \u0111\u1ec3 g\u1ecdi Google Cloud Vision API, t\u00f4i c\u00f3 vi\u1ebft ch\u01b0\u01a1ng tr\u00ecnh Python \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u sau khi thu \u0111\u01b0\u1ee3c (ch\u1ea1y t\u1ed1t v\u1edbi Python3, c\u00f2n Python2 th\u00ec c\u00f2n v\u01b0\u1edbng m\u1eafc khi ch\u1eef nh\u1eadn d\u1ea1ng c\u00f3 k\u00fd t\u1ef1 Unicode): https:\/\/gitlab.com\/dichthuat\/tools\/ocr<\/a><\/p>\n

Nh\u1eadn x\u00e9t: Google Cloud Vision API ho\u1ea1t \u0111\u1ed9ng r\u1ea5t t\u1ed1t, ch\u1ec9 c\u00f3 v\u1ea5n \u0111\u1ec1 l\u00e0 khi trong h\u00ecnh \u1ea3nh c\u00f3 nhi\u1ec1u kh\u1ed1i v\u0103n b\u1ea3n, c\u00f3 th\u1ec3 n\u00f3 kh\u00f4ng ph\u00e2n t\u00e1ch t\u1ed1t c\u00e1c kh\u1ed1i n\u00ean b\u1ecb l\u1eabn l\u1ed9n c\u00e1c \u0111o\u1ea1n v\u0103n.<\/p>\n

Hai v\u00ed d\u1ee5:<\/p>\n

1. Nh\u1eadn di\u1ec7n ch\u00ednh x\u00e1c c\u00e1c kh\u1ed1i v\u0103n b\u1ea3n:<\/strong>
\n\"\"<\/p>\n

K\u1ebft qu\u1ea3 nh\u1eadn di\u1ec7n:
\n\"\"<\/p>\n

Ki\u1ec3m tra v\u1eadt li\u1ec7u<\/p>\n

WK<\/p>\n

Th\u00ed nghi\u1ec7m k\u00e9o<\/p>\n

( theo DIN EN ISO<\/p>\n

6892 – 1 )<\/p>\n

Th\u00ed nghi\u1ec7m k\u00e9o \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u1ee9ng su\u1ea5t cho ph\u00e9p ( an to\u00e0n ) c\u1ee7a m\u1ed9t v\u1eadt li\u1ec7u v\u00e0 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m c\u01a1 s\u1edf \u0111\u1ec3 thi\u1ebft k\u1ebf b\u1ed3n ch\u1ee9a ch\u1ecbu \u00e1p su\u1ea5t , \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn thi\u1ebft b\u1ecb kh\u00e1c ch\u1ecbu \u00e1p su\u1ea5t t\u1eeb b\u00ean trong .<\/p>\n

H\u00ecnh 1 – 2 – 3 – 4 ( so s\u00e1nh v\u1edbi b\u1ea3n g\u1ed1c ti\u1ebfng \u0110\u1ee9c ! ) Ch\u00fa th\u00edch 1 . 1 : Nguy\u00ean l\u00fd ch\u1ecbu t\u1ea3i Ch\u00fa th\u00edch 2 . 1 : V\u1eadt li\u1ec7u c\u00f3 gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i r\u00f5 r\u1ec7t Ch\u00fa th\u00edch 3 . 1 : V\u1eadt li\u1ec7u kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i r\u00f5 r\u1ec7t Ch\u00fa th\u00edch 4 . 1 : V\u1eadt li\u1ec7u d\u00f2n kh\u00f4ng bi\u1ebfn d\u1ea1ng d\u1ebbo<\/p>\n

\u0110\u1ea1i l\u01b0\u1ee3ng \u0111o<\/p>\n

hi\u1ec7u |<\/p>\n

T\u00ean g\u1ecdi<\/p>\n

T\u01b0\u01a1ng quan<\/p>\n

\u00dd ngh\u0129a<\/p>\n

\u0110on vi %<\/p>\n

\u0110\u1ed9 gi\u00e3n g\u00e3y<\/p>\n

Bi\u1ebfn \u0111\u1ed5i chi\u1ec1u d\u00e0i c\u00f2n l\u01b0u l\u1ea1i so v\u1edbi chi\u1ec1u d\u00e0i ban \u0111\u1ea7u ( \u0111\u01a1n v\u1ecb % )<\/p>\n

A = ( Lu – Lo ) 100 \/ LO<\/p>\n

Ag<\/p>\n

Bi\u1ebfn \u0111\u1ed5i \u0111\u1ed9 d\u00e0i c\u00f2n l\u01b0u l\u1ea1i cho \u0111\u1ebfn l\u1ef1c Fm l\u1edbn nh\u1ea5t so v\u1edbi \u0111\u1ed9 d\u00e0i ban \u0111\u1ea7u , \u0111\u01a1n v\u1ecb %<\/p>\n

\u0110\u1ed9 gi\u00e3n d\u00e0i kh\u00f4ng t\u1ef7 l\u1ec7 thu\u1eadn t\u1ea1i l\u1ef1c k\u00e9o Fm l\u1edbn nh\u1ea5t ( \u0111\u1ed9 d\u00e3n d\u1ebbo \u0111o b\u1eb1ng m\u00e1y \u0111o \u0111\u1ed9 d\u00e3n l\u00fac l\u1ef1c l\u1edbn nh\u1ea5t )<\/p>\n

MPa<\/p>\n

M\u00f4 – \u0111un \u0111\u00e0n h\u1ed3i<\/p>\n

6 E = 0 \/ \u20ac<\/p>\n

L\u1ef1c k\u00e9o<\/p>\n

Fm | L\u1ef1c k\u00e9o l\u1edbn nh\u1ea5t<\/p>\n

Tr\u1ecb s\u1ed1 \u0111o chi\u1ec1u d\u00e0i<\/p>\n

mm<\/p>\n

T\u1ef7 l\u1ec7 gi\u1eefa \u1ee9ng su\u1ea5t v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i trong ph\u1ea1m vi \u0111\u00e0n h\u1ed3i ( \u0110\u1ed9 nghi\u00eang c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng tr\u00ean bi\u1ec3u \u0111\u1ed3 \u1ee9ng su\u1ea5t – \u0111\u1ed9 gi\u00e3n d\u00e0i ) L\u1ef1c t\u00e1c d\u1ee5ng th\u1eb3ng g\u00f3c v\u1edbi m\u1eb7t c\u1eaft S c\u1ee7a m\u1eabu th\u1eed L\u1ef1c k\u00e9o t\u1ed1i \u0111a m\u00e0 m\u1ed9t v\u1eadt li\u1ec7u v\u1edbi ti\u1ebft di\u1ec7n ban \u0111\u1ea7u S . C\u00f3 th\u1ec3 ch\u1ecbu n\u1ed5i . Chi\u1ec1u d\u00e0i gi\u1eefa 2 \u0111i\u1ec3m \u0111\u00e1nh d\u1ea5u tr\u00ean m\u1eabu th\u1eed nghi\u1ec7m Chi\u1ec1u d\u00e0i ban \u0111\u1ea7u gi\u1eefa 2 \u0111i\u1ec3m \u0111\u00e1nh d\u1ea5u tr\u00ean m\u1eabu th\u1eed tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m k\u00e9o Chi\u1ec1u d\u00e0i gi\u1eefa 2 \u0111i\u1ec3m \u0111\u00e1nh d\u1ea5u tr\u00ean v\u1eadt th\u1eed sau khi \u0111\u1ee9t g\u00e3y ( khi gh\u00e9p 2 m\u1ea3nh l\u1ea1i v\u1edbi nhau t\u1ea1i ch\u1ed7 g\u00e3y ) \u1ee8ng su\u1ea5t k\u00e9o c\u1ee7a \u0111\u1ed9 d\u00e3n d\u1ebbo kh\u00f4ng – theo t\u1ef7 – l\u1ec7 t\u1ea1i \u0111i\u1ec3m 0 , 2 % ho\u1eb7c 1 , 0 % .<\/p>\n

mm<\/p>\n

Tr\u1ecb s\u1ed1 \u0111o chi\u1ec1u d\u00e0i ban \u0111\u1ea7u Tri s\u1ed1 \u0111o chi\u1ec1u d\u00e0i sau khi \u0111\u1ee9t gay<\/p>\n

mm<\/p>\n

MPa<\/p>\n

p0 , 2<\/p>\n

Gi\u1edbi h\u1ea1n 0 , 2 Gi\u1edbi h\u1ea1n 10 ( Gi\u1edbi han d\u1eabn \u0111o v\u1edbi m\u00e1y \u0111\u1ecf \u0111\u1ed9 d\u00e3n ) Gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i tr\u00ean<\/p>\n

p1 , 0 ReH<\/p>\n

MPa<\/p>\n

Rm | \u0110\u1ed9 b\u1ec1n l\u1ef1c k\u00e9o<\/p>\n

MPa<\/p>\n

7<\/p>\n

\u1ee8ng su\u1ea5t l\u1edbn nh\u1ea5t tr\u01b0\u1edbc khi xu\u1ea5t hi\u1ec7n s\u1ef1 gi\u1ea3m l\u1ef1c r\u00f5 r\u1ec7t l\u1ea7n \u0111\u1ea7u ti\u00ean . \u1ee8ng su\u1ea5t k\u00e9o l\u00e0 t\u1ef7 s\u1ed1 gi\u1eefa l\u1ef1c k\u00e9o l\u1edbn nh\u1ea5t Fm v\u00e0 ti\u1ebft di\u1ec7n ban \u0111\u1ea7u so Ti\u1ebft di\u1ec7n c\u1ee7a m\u1eabu th\u1eed tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m<\/p>\n

Rm = Fm \/ So<\/p>\n

So<\/p>\n

Ti\u1ebft di\u1ec7n ban \u0111\u1ea7u<\/p>\n

mm<\/p>\n

e ( 6 ) | \u0110\u1ed9 d\u00e3n d\u00e0i<\/p>\n

%<\/p>\n

\u0110\u1ed9 d\u00e3n t\u01b0\u01a1ng \u1ee9ng v\u1edbi chi\u1ec1u d\u00e0i \u0111o ban \u0111\u1ea7u Lo<\/p>\n

\u01a0<\/p>\n

| \u1ee8ng su\u1ea5t<\/p>\n

MPa<\/p>\n

8 e ( \u20ac ) = ( L – Lo ) 100 \/ LO o = F \/ S09 Trong v\u00f9ng \u0111\u00e0n h\u1ed1i :
\n= E . e ( 8 ) 9 . 1 ( 10 ) SV = ReH \/ Rm<\/p>\n

\u1ee8ng su\u1ea5t t\u1ee9c th\u1eddi l\u00e0 t\u1ef7 l\u1ec7 t\u01b0\u01a1ng \u1ee9ng gi\u1eefa | l\u1ef1c \u0111ang t\u00e1c \u0111\u1ed9ng F v\u00e0 ti\u1ebft di\u1ec7n ban \u0111\u1ea7u So<\/p>\n

SV<\/p>\n

T\u1ef7 l\u1ec7 gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i<\/p>\n

SV nh\u1ecf + Kh\u1ea3 n\u0103ng bi\u1ebfn d\u1ea1ng l\u1edbn . SV l\u1edbn + Ch\u1ec9 bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i thu\u1ea7n t\u00fay ( t . d , l\u00f2 xo )<\/p><\/blockquote>\n

2. Nh\u1eadn di\u1ec7n t\u1eebng t\u1eeb th\u00ec \u0111\u00fang, nh\u01b0ng x\u1eed l\u00fd sai c\u00e1c kh\u1ed1i v\u0103n b\u1ea3n, l\u00e0m cho c\u00e1c \u0111o\u1ea1n v\u0103n (\u1edf 2 c\u1ed9t) b\u1ecb l\u1eabn v\u00e0o nhau:<\/strong>
\n\"\"<\/p>\n

K\u1ebft qu\u1ea3 nh\u1eadn di\u1ec7n:<\/p>\n

\"\"<\/p>\n

514<\/p>\n

Nh\u1eefng thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n lo\u1ea1i nh\u1ecf<\/p>\n

www .<\/p>\n

15 . 2 Nh\u1eefng thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n lo\u1ea1i nh\u1ecf Nh\u1eefng thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n lo\u1ea1i nh\u1ecf th\u00edch h\u1ee3p v\u1edbi nh\u1eefng
\nT\u1ed5ng quan 1 : L\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01a1n gi\u1ea3n . Ch\u00fang c\u00f3 ph\u1ea1m vi
\nkhi\u1ebfn lo\u1ea1i nh\u1ecf \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng ( xem T\u1ed5ng quan 1 ) , r\u1ea5t d\u1ec5 s\u1eed d\u1ee5ng
\n\u2022 Trang b\u1ecb trong nh\u00e0 , th\u00ed d\u1ee5 \u0111i\u1ec1u khi\u1ec3n \u0111\u00e8n chi\u1ebfu s\u00e1ng , v\u00e0 l\u1eadp tr\u00ecnh . Trong c\u00e1c ngh\u1ec1 l\u1eafp r\u00e1p v\u00e0 s\u1eeda ch\u1eefa
\nm\u00e0n cu\u1ed1n , c\u1ed5ng ra v\u00e0o , \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 cho c\u00e1c \u0111i\u1ec7n th\u1ee7 c\u00f4ng v\u00e0o th\u1eddi \u0111i\u1ec3m n\u00e0y c\u00f3 r\u1ea5t nhi\u1ec1u thi\u1ebft b\u1ecb
\nnh\u00e0 v\u01b0\u1eddn v\u00e0o m\u00f9a \u0111\u00f4ng hay c\u00e1c nh\u00e0 k\u00ednh . \u0111i\u1ec1u khi\u1ec3n lo\u1ea1i nh\u1ecf \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng , th\u00ed d\u1ee5 nh\u01b0 Easy , LOGO ! 2 v\u00e0 Pharao3 .
\nCh\u1ebf t\u1ea1o m\u00e1y v\u00e0 thi\u1ebft b\u1ecb , th\u00ed d\u1ee5 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 , h\u1ec7
\n| th\u1ed1ng th\u00f4ng kh\u00ed , b\u01a1m n\u01b0\u1edbc d\u00f9ng trong c\u00f4ng nghi\u1ec7p . \u2022 www . automation . siemens . com \/ logo \u2022 www . theben . de
\nB\u1ea3ng : Th\u00f4ng s\u1ed1 \u0111\u1eb7c tr\u01b0ng c\u1ee7a nh\u1eefng thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n \u2022 www . moeller . net
\n| lo\u1ea1i nh\u1ecf Vi\u1ec7c thay \u0111\u1ed5i \u0111i\u1ec1u khi\u1ec3n trong thi\u1ebft b\u1ecb nh\u1ecf kh\u00e1 \u0111\u01a1n Th\u00f4ng s\u1ed1 \u0111\u1eb7c tr\u01b0ng | S\u1ed1 l\u01b0\u1ee3ng , gi\u1ea3i th\u00edch gi\u1ea3n b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i ch\u01b0\u01a1ng tr\u00ecnh m\u00e0 kh\u00f4ng c\u1ea7n
\n\u0110\u1ea7u v\u00e0o chuy\u1ec3n m\u1ea1ch 6 \u0111\u1ebfn 24 thay \u0111\u1ed5i vi\u1ec7c \u0111\u1ea5u n\u1ed1i d\u00e2y ph\u1ee9c t\u1ea1p .
\n\u0110i\u1ec7n \u00e1p
\n| 12 V DC , 24 V DC hay 230 V AC Thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n lo\u1ea1i nh\u1ecf c\u0169ng thu\u1ed9c v\u1ec1 nh\u00f3m
\n\u0110\u1ea7u v\u00e0o analog 2 \u0111\u1ebfn 12 , v\u1edbi b\u1ed9 bi\u1ebfn \u0111\u1ed5i AD | \u0111i\u1ec1u khi\u1ebfn logic l\u1eadp tr\u00ecnh ( PLC ) v\u00e0 th\u00edch h\u1ee3p v\u1edbi
\nGiao di\u1ec7n AS
\n4 giao di\u1ec7n \u2013 \u0111\u1ea7u n\u1ed1i \u0111i\u1ec7n AS nh\u1eefng ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01a1n gi\u1ea3n .
\n\u0110\u1ea7u ra chuy\u1ec3n m\u1ea1ch 4 \u0111\u1ebfn 12 v\u1edbi transistor chuy\u1ec3n ( c\u00f4ng t\u1eafc )
\nm\u1ea1ch hay r\u01a1le
\nC\u00f4ng su\u1ea5t chuy\u1ec3n 1 A , 8 V \u0111\u1ebfn 24 V DC , 8 A \u0111\u1ebfn C\u1ea5u t\u1ea1o . Nh\u1eefng thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n lo\u1ea1i nh\u1ecf c\u00f3 k\u00edch
\nm\u1ea1ch
\n20 A , 230 V AC th\u01b0\u1edbc nh\u1ecf v\u00e0 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong nh\u1eefng V\u1ecf m\u00e1y \u0111\u00e3
\nC\u00f4ng su\u1ea5t ti\u00eau hao 2 W \u0111\u1ebfn 7 W \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a d\u01b0\u1edbi d\u1ea1ng c\u00e1p n\u1ed1i ti\u1ebfp nhau hay g\u0103n nhanh tr\u00ean \u0111\u01b0\u1eddng ray \u0111\u1ecbnh h\u00ecnh . T\u00f9y theo l\u0129nh v\u1ef1c s\u1eed d\u1ee5ng , c\u00e1c nh\u00e0 ch\u1ebf t\u1ea1o cung c\u1ea5p
\nNgu\u1ed3n \u0111i\u1ec7n nhi\u1ec1u ki\u1ec3u m\u00e1y kh\u00e1c nhau , th\u00ed d\u1ee5 nh\u01b0 ngu\u1ed3n \u0111i\u1ec7n cung c\u1ea5p
\nC\u00e1c \u0111\u1ea7u v\u00e0o cung c\u1ea5p : 12 \/ 24V DC hay 230V AC v\u1edbi nhi\u1ec1u c\u00f4ng
\nL1 N
\n11 12 13 14 15 16 su\u1ea5t chuy\u1ec3n m\u1ea1ch kh\u00e1c nhau ( B\u1ea3ng ) . B\u00ean c\u1ea1nh nh\u1eefng
\nM\u00e0n h\u00ecnh LCD thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ebfn nh\u1ecf c\u00f3 \u0111\u1ea7u v\u00e0o v\u1edbi t\u00edn hi\u1ec7u digital
\nAC115 \/ 120V
\nInput 6 x AC v\u00e0 analog , c\u00f2n c\u00f3 m\u1ed9t lo\u1ea1i thi\u1ebft b\u1ecb nh\u1ecf kh\u00e1c n\u1ed1i v\u1edbi
\nGiao di\u1ec7n bus tr\u01b0\u1eddng ( AS – I ) ( Trang 537 ) .
\n( card nh\u1edb r\u1eddi V\u00f9ng b\u00e0n ph\u00edm thao t\u00e1c c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n lo\u1ea1i
\nv\u00e0 \u0111\u1ea7u n\u1ed1i
\nPC ) nh\u1ecf , th\u00ed d\u1ee5 m\u00e1y LOGO ! ( H\u00ecnh ) d\u00f9ng \u0111\u1ec3 nh\u1eadp v\u00e0 thay \u0111\u1ed5i ch\u01b0\u01a1ng tr\u00ecnh chuy\u1ec3n m\u1ea1ch . M\u00e0n h\u00ecnh tinh
\nPC \/ Card . .
\nStart th\u1ec3 l\u1ecfng ( LCD ) hi\u1ec3n th\u1ecb ch\u01b0\u01a1ng tr\u00ecnh . Ch\u01b0\u01a1ng tr\u00ecnh chuy\u1ec3n m\u1ea1ch ch\u1ee9a trong m\u1ed9t m\u00f4\u0111un EEPROM ( b\u1ed9
\nB\u00e0n ph\u00edm nh\u1edb \u0111\u1ecdc l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c v\u00e0 x\u00f3a \u0111\u01b0\u1ee3c b\u1eb1ng \u0111i\u1ec7n ) . V\u00e0o LOGO ! 230 – RC ESC OK
\n\u0111i\u1ec1u khi\u1ec3n b\u1ea5t k\u1ef3 th\u1eddi \u0111i\u1ec3m n\u00e0o m\u00f4\u0111un EEPROM n\u00e0y ( Trang
\nOutput 4xRelay \/ 8A 494 ) c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng m\u00f4\u0111un kh\u00e1c . L\u1eadp tr\u00ecnh . Th\u1ef1c hi\u1ec7n l\u1eadp tr\u00ecnh qua b\u00e0n ph\u00edm tr\u00ean thi\u1ebft b\u1ecb r\u1ea5t ph\u1ee9c t\u1ea1p , n\u00ean ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng PC v\u1edbi
\nto be enable ch\u01b0\u01a1ng tr\u00ecnh ph\u1ea7n m\u1ec1m t\u01b0\u01a1ng \u1ee9ng . Do \u0111\u00f3 c\u0169ng c\u00f3 thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n lo\u1ea1i nh\u1ecf kh\u00f4ng c\u00f3 b\u00e0n ph\u00edm .
\nC\u00e1c \u0111\u1ea7u ra<\/p>\n

230 \/ 240V<\/p>\n

> Program . .<\/p>\n

L\u1eadp tr\u00ecnh cho thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n lo\u1ea1i nh\u1ecf c\u00f3 th\u1ec3 qua b\u00e0n ph\u00edm hay qua m\u00e1y t\u00ednh c\u00e1 nh\u00e2n ( PC ) .<\/p>\n

Ph\u1ea1m vi ch\u1ee9c n\u0103ng . B\u00ean c\u1ea1nh c\u00e1c ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n , thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n lo\u1ea1i nh\u1ecf c\u00f2n c\u00f3 nhi\u1ec1u ch\u1ee9c n\u0103ng \u0111\u1eb7c bi\u1ec7t kh\u00e1c ( T\u1ed5ng quan 2 ) . \u0110\u1ea7u v\u00e0o analog cho ph\u00e9p thu nh\u1eadn v\u00e0 \u0111\u00e1nh gi\u00e1 c\u00e1c t\u00edn hi\u1ec7u analog , th\u00ed d\u1ee5 nh\u01b0 \u0111i\u1ec7n \u00e1p . 1 Nh\u00e3n hi\u1ec7u \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd b\u1ea3o h\u1ed9 c\u1ee7a c\u00f4ng ty Moeller 2 Nh\u00e3n hi\u1ec7u \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd b\u1ea3o h\u1ed9 c\u1ee7a c\u00f4ng ty Siemens
\nNh\u00e3n hi\u1ec7u \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd b\u1ea3o h\u1ed9 c\u1ee7a c\u00f4ng ty Theben \u201c AS – I , vi\u1ebft t\u1eaft : Aktor – Sensor – Interface ( Giao di\u1ec7n c\u1ea3m bi\u1ebfn c\u01a1 c\u1ea5u d\u1eabn \u0111\u1ed9ng )<\/p>\n

| H\u00ecnh : Thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n lo\u1ea1i nh\u1ecf LOGO ! T\u1ed5ng quan 2 : Ch\u1ee9c n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n
\nlo\u1ea1i nh\u1ecf \u2022 C\u00e1c ch\u1ee9c n\u0103ng li\u00ean k\u1ebft logic c\u0103n b\u1ea3n :
\nAND , OR , NAND , NOR , XOR , NOT \u2022 C\u00e1c ch\u1ee9c n\u0103ng \u0111\u1eb7c bi\u1ec7t :
\nTh\u1eddi gian tr\u00ec ho\u00e3n khi v\u1eadn h\u00e0nh hay khi t\u1eaft , b\u1ed9 \u0111\u1ebfm ti\u1ec1n l\u00f9i ( b\u1ed9 \u0111\u1ebfm 2 chi\u1ec1u ) , r\u01a1le xung \u0111i\u1ec7n , b\u1ed9 \u0111\u1ebfm gi\u1edd ho\u1ea1t
\n\u0111\u1ed9ng , b\u1ed9 ph\u00e1t xung , b\u1ed9 r\u01a1le g\u1ea1t n\u01b0\u1edbc , \u0111\u1ed3ng h\u1ed3 h\u1eb9n gi\u1edd \u2022 X\u1eed l\u00fd t\u00edn hi\u1ec7u analog : | B\u1ed9 so s\u00e1nh , c\u00f4ng t\u1eafc ng\u01b0\u1ee1ng<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"

Google Cloud c\u00f3 th\u00e0nh ph\u1ea7n GC Vision API \u0111\u1ec3 nh\u1eadn d\u1ea1ng ch\u1eef trong h\u00ecnh \u1ea3nh, v\u0103n b\u1ea3n. N\u00f3 t\u1ef1 d\u00f2 t\u00ecm t\u1eebng kh\u1ed1i v\u0103n b\u1ea3n, nh\u1eadn ra \u0111\u01b0\u1ee3c ch\u1eef thu\u1ed9c ng\u00f4n ng\u1eef g\u00ec. Code \u0111\u1ec3 nh\u1eadn d\u1ea1ng ch\u1eef trong v\u0103n<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[30],"tags":[1156,1179,1177,1178,537],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p8jhJx-sf","_links":{"self":[{"href":"https:\/\/rosetta.vn\/short\/wp-json\/wp\/v2\/posts\/1751"}],"collection":[{"href":"https:\/\/rosetta.vn\/short\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rosetta.vn\/short\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rosetta.vn\/short\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rosetta.vn\/short\/wp-json\/wp\/v2\/comments?post=1751"}],"version-history":[{"count":5,"href":"https:\/\/rosetta.vn\/short\/wp-json\/wp\/v2\/posts\/1751\/revisions"}],"predecessor-version":[{"id":1764,"href":"https:\/\/rosetta.vn\/short\/wp-json\/wp\/v2\/posts\/1751\/revisions\/1764"}],"wp:attachment":[{"href":"https:\/\/rosetta.vn\/short\/wp-json\/wp\/v2\/media?parent=1751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rosetta.vn\/short\/wp-json\/wp\/v2\/categories?post=1751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rosetta.vn\/short\/wp-json\/wp\/v2\/tags?post=1751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}