{"id":652,"date":"2010-10-20T13:50:12","date_gmt":"2010-10-20T06:50:12","guid":{"rendered":"http:\/\/www.payitforward.edu.vn\/wordpress\/?page_id=652"},"modified":"2010-10-27T10:45:22","modified_gmt":"2010-10-27T03:45:22","slug":"1-bien-ap","status":"publish","type":"page","link":"https:\/\/payitforward.edu.vn\/wordpress\/tutorials\/for-beginner\/1-bien-ap\/","title":{"rendered":"1. Bi\u1ebfn \u00e1p"},"content":{"rendered":"

Lo\u1ea1t b\u00e0i v\u1ec1:<\/strong><\/span><\/p>\n

GI\u1edaI THI\u1ec6U M\u1ed8T S\u1ed0 LINH KI\u1ec6N \u2013 D\u1ee4NG C\u1ee4 C\u01a0 B\u1ea2N<\/strong><\/span><\/p>\n

D\u00c0NH CHO NG\u01af\u1edcI M\u1edaI B\u1eaeT \u0110\u1ea6U<\/strong><\/span><\/p>\n

1. <\/strong>BI\u1ebeN \u00c1P<\/strong><\/span><\/p>\n

V\u00ec ngu\u1ed3n c\u1ea5p cho c\u00e1c m\u1ea1ch \u0111i\u1ec7n t\u1eed, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c m\u1ea1ch vi \u0111i\u1ec1u khi\u1ec3n l\u00e0 \u0111i\u1ec7n \u00e1p DC, c\u00f3 gi\u00e1 tr\u1ecb nh\u1ecf (v\u00ed d\u1ee5 3.3V, 5V, 12V, 15V, \u2026), m\u00e0 \u0111i\u1ec7n l\u01b0\u1edbi c\u1ee7a ch\u00fang ta l\u00e0 xoay chi\u1ec1u, 220VAC, n\u00ean ch\u00fang ta ph\u1ea3i l\u00e0m 2 vi\u1ec7c \u0111\u1ec3 c\u00f3 ngu\u1ed3n c\u1ea5p cho c\u00e1c th\u1ec3 lo\u1ea1i m\u1ea1ch \u0111i\u1ec7n t\u1eed:<\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 l\u00e0: H\u1ea1 \u00e1p ngu\u1ed3n xoay chi\u1ec1u t\u1eeb 220VAC xu\u1ed1ng 1 m\u1ee9c th\u1ea5p h\u01a1n ph\u00f9 h\u1ee3p v\u1edbi c\u00e1i m\u1ea1ch.<\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2 l\u00e0: Ch\u1ec9nh l\u01b0u c\u00e1i ngu\u1ed3n xoay chi\u1ec1u th\u00e0nh c\u00e1i ngu\u1ed3n 1 chi\u1ec1u (DC).<\/p>\n

\u0110\u1ec3 l\u00e0m c\u00e1i nhi\u1ec7m v\u1ee5 s\u1ed1 1, ch\u00fang ta s\u1ebd d\u00f9ng bi\u1ebfn \u00e1p.<\/p>\n

\u0110\u1ec3 mua 1 c\u1ee5c bi\u1ebfn \u00e1p \u1edf ch\u1ee3 Nh\u1eadt T\u1ea3o, c\u00e1c b\u1ea1n s\u1ebd c\u1ea7n ch\u00fa \u00fd 2 th\u00f4ng s\u1ed1: \u00c1p ra bao nhi\u00eau, kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng.<\/p>\n

Th\u01b0\u1eddng th\u00ec \u0111\u1ec3 c\u1ea5p ngu\u1ed3n cho m\u1ea1ch vi \u0111i\u1ec1u khi\u1ec3n ch\u00fang ta ch\u1ec9 c\u1ea7n bi\u1ebfn \u00e1p 1 Ampe, c\u00f2n n\u1ebfu c\u1ea7n \u0111\u1ec3 k\u00e9o \u0111\u1ed9ng c\u01a1 hay d\u00f9ng cho c\u00e1c m\u1ea1ch c\u00f4ng su\u1ea5t th\u00ec tu\u1ef3 lo\u1ea1i c\u00f3 th\u1ec3 ch\u1ecdn bi\u1ebfn \u00e1p 3A, hay 5A hay l\u1edbn h\u01a1n.<\/p>\n

T\u1ea5t nhi\u00ean, \u00e1p ra c\u00e0ng l\u1edbn, d\u00f2ng c\u00e0ng cao, t\u01b0\u01a1ng \u1ee9ng c\u1ee5c bi\u1ebfn \u00e1p c\u00e0ng to th\u00ec gi\u00e1 ti\u1ec1n c\u0169ng c\u00e0ng l\u1edbn. Trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n kh\u00f4ng d\u01b0 nhi\u1ec1u ti\u1ec1n l\u1eafm, b\u1ea1n c\u00f3 th\u1ec3 mua c\u1ee5c bi\u1ebfn \u00e1p 12V \u2013 1A \u0111\u1ec3 b\u1eaft \u0111\u1ea7u (c\u00f3 \u0111i\u1ec1u n\u00ean nh\u1edb r\u1eb1ng, h\u00e0ng Nh\u1eadt T\u1ea3o<\/span>, n\u00f3 ghi l\u00e0 1A th\u00ec th\u1ef1c t\u1ebf kh\u00f4ng th\u1ec3 t\u1edbi gi\u00e1 tr\u1ecb \u0111\u00f3 \u0111\u01b0\u1ee3c).<\/em><\/p>\n

C\u00e1i bi\u1ebfn \u00e1p th\u00ec n\u00f3 c\u00f3 cu\u1ed9n s\u01a1 v\u00e0 cu\u1ed9n th\u1ee9. Ph\u00eda cu\u1ed9n s\u01a1 l\u00e0 \u0111\u1ec3 c\u1ea5p \u0111i\u1ec7n 220VAC (\u0111i\u1ec7n l\u01b0\u1edbi, t\u1ee9c l\u00e0 l\u1ea5y ra t\u1eeb c\u00e1i \u1ed5 c\u1eafm \u0111i\u1ec7n c\u1ee7a gia \u0111\u00ecnh<\/em>), c\u00f2n ph\u00eda cu\u1ed9n th\u1ee9 ng\u01b0\u1eddi ta th\u01b0\u1eddng \u0111\u1ec3 nhi\u1ec1u m\u1ee9c ra (nh\u01b0 trong h\u00ecnh)<\/p>\n

\"Photobucket\"
\nH\u00ecnh 1.1: C\u1ee5c bi\u1ebfn \u00e1p 18V \u2013 1A, ph\u00eda m\u1eb7t th\u1ee9 c\u1ea5p<\/em><\/p>\n


\n<\/em>
\n\"Photobucket\"<\/a>
\nH\u00ecnh 1.2: C\u1ee5c bi\u1ebfn \u00e1p 24V \u2013 5A, m\u1eb7t th\u1ee9 c\u1ea5p<\/em><\/p>\n

<\/em><\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ph\u00eda s\u01a1 c\u1ea5p:<\/em><\/strong> N\u1ed1i v\u1edbi ngu\u1ed3n 220VAC b\u1eb1ng d\u00e2y-\u0111i\u1ec7n-c\u00f3-ph\u00edch-c\u1eafm (t\u1ea5t nhi\u00ean l\u00e0 \u0111\u1ec3 c\u1ea5p \u0111i\u1ec7n r\u1ed3i), t\u1edbi \u0111\u00e2y c\u1ea7n l\u01b0u \u00fd r\u1eb1ng, ph\u00eda th\u1ee9 (\u00e1p nh\u1ecf) \u0111\u1ee5ng v\u00f4 ch\u1eafc kh\u00f4ng ch\u1ebft (tr\u1eeb khi r\u00f2 \u0111i\u1ec7n), ch\u1ee9 b\u00ean s\u01a1 220VAC \u2013 \u0111\u1ee5ng v\u00f4 th\u00ec ch\u1ebft ng\u1eafc, v\u00ec v\u1eady sau khi n\u1ed1i d\u00e2y ch\u00fang ta c\u1ea7n c\u00e1ch \u0111i\u1ec7n b\u00ean c\u00e1c \u0111\u1ea7u m\u1ed1i n\u1ed1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n:<\/p>\n

\"Photobucket\"<\/a>
\nH\u00ecnh 1.3: N\u1ed1i d\u00e2y s\u01a1 c\u1ea5p v\u00e0 c\u00e1ch \u0111i\u1ec7n b\u1eb1ng keo<\/em><\/p>\n

Tuy nhi\u00ean sau khi tr\u00e9t keo, n\u1ebfu ta thao t\u00e1c qu\u00e1 m\u1ea1nh tay, s\u1ee3i d\u00e2y \u0111i\u1ec7n b\u1ecb x\u00ea d\u1ecbch, c\u00f3 th\u1ec3 l\u00e0m g\u00e3y m\u1ed1i n\u1ed1i (c\u00e1c mi\u1ebfng kim lo\u1ea1i l\u00f2i ra \u0111\u1ec3 n\u1ed1i d\u00e2y) n\u00ean ta ph\u1ea3i t\u00ecm c\u00e1ch c\u1ed1 \u0111\u1ecbnh s\u1ee3i d\u00e2y \u0111\u1ec3 tr\u00e1nh r\u1ee7i ro: nh\u01b0 tr\u00ean h\u00ecnh, ta c\u1ed9t s\u1ee3i d\u00e2y \u0111i\u1ec7n v\u00e0o c\u00e1i \u0111\u1ebf (t\u1eadn d\u1ee5ng c\u00e1i l\u1ed7 b\u1eaft v\u00edt c\u1ee7a c\u1ee5c bi\u1ebfn \u00e1p) (c\u1ed9t b\u1eb1ng s\u1ee3i d\u00e2y \u0111\u1ed3ng m\u00e0u xanh).<\/p>\n

Ho\u1eb7c ta c\u00f3 th\u1ec3 d\u00f9ng b\u0103ng keo c\u00e1ch \u0111i\u1ec7n, v\u1eeba c\u00e1ch \u0111i\u1ec7n v\u1eeba c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1ee3c s\u1ee3i d\u00e2y nh\u01b0 h\u00ecnh sau:<\/p>\n

\"Photobucket\"<\/a>
\nH\u00ecnh 1.4: C\u00e1ch \u0111i\u1ec7n ph\u1ea7n s\u01a1 c\u1ea5p b\u1eb1ng b\u0103ng keo c\u00e1ch \u0111i\u1ec7n \u2013 m\u1ee5c \u0111\u00edch l\u00e0 l\u1ee1 \u0111\u1ee5ng v\u00f4 th\u00ec kh\u1ecfi ch\u1ebft<\/em><\/p>\n

<\/em><\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ph\u1ea7n th\u1ee9 c\u1ea5p:<\/em><\/strong> V\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft m\u00e0 n\u00f3i, \u0111\u1ee5ng v\u00f4 ph\u1ea7n th\u1ee9 th\u00ec c\u00f2n s\u1ed1ng, nh\u01b0ng c\u1ee5c bi\u1ebfn \u00e1p kh\u00f4ng-r\u00f5-ch\u1ea5t-l\u01b0\u1ee3ng c\u00f3 th\u1ec3 b\u1ecb r\u00f2 \u0111i\u1ec7n, ho\u1eb7c n\u00f3 b\u1ecb r\u01a1i r\u1edbt, \u2026 l\u00e0m h\u1ecfng c\u00e1ch \u0111i\u1ec7n –> T\u1ed1t nh\u1ea5t l\u00e0 c\u00e1ch \u0111i\u1ec7n lu\u00f4n ph\u1ea7n th\u1ee9 + tr\u00e9t keo \u0111\u1ec3 gi\u1eef m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c b\u1ec1n:<\/p>\n

\"Photobucket\"<\/a>
\nH\u00ecnh 1.5: N\u1ed1i d\u00e2y th\u1ee9 c\u1ea5p<\/em><\/p>\n

V\u1ea5n \u0111\u1ec1 c\u00f2n l\u1ea1i l\u00e0, c\u00e1i \u0111\u1ea7u ra c\u1ee7a c\u1ecdng d\u00e2y m\u00ecnh n\u1ed1i v\u00e0o th\u1ee9 c\u1ea5p \u0111\u00f3, th\u00ec n\u00f3 n\u1ed1i v\u00e0o c\u00e1i j?<\/p>\n

T\u1eeb c\u1ee5c bi\u1ebfn \u00e1p m\u00ecnh s\u1ebd l\u1ea5y ngu\u1ed3n AC (v\u00ed d\u1ee5 12VAC) n\u1ed1i v\u00e0o 1 c\u00e1i c\u1ea7u diode \u0111\u1ec3 ch\u1ec9nh l\u01b0u th\u00e0nh \u00e1p 1 chi\u1ec1u. C\u00e1i c\u1ea7u diode v\u00e0 ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a c\u00e1i m\u1ea1ch \u0111i\u1ec7n t\u1eed s\u1ebd n\u1eb1m tr\u00ean board m\u1ea1ch. Nh\u01b0 v\u1eady c\u00e1i c\u1ecdng d\u00e2y m\u00ecnh \u0111ang quan t\u00e2m \u1edf \u0111\u00e2y (c\u00e1i c\u1ecdng d\u00e2y th\u1ee9 c\u1ea5p) s\u1ebd l\u00e0m nhi\u1ec7m v\u1ee5 n\u1ed1i c\u00e1i c\u1ee5c bi\u1ebfn \u00e1p v\u1edbi c\u00e1i board.<\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1ch 1:<\/span><\/em> h\u00e0n tr\u1ef1c ti\u1ebfp v\u00f4 board: th\u01b0\u1eddng th\u00ec ch\u1ea3 ai x\u00e0i c\u00e1ch n\u00e0y.<\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1ch 2:<\/span><\/em> D\u00f9ng 1 c\u1eb7p \u201cjack DC \u0111\u1ef1c \u2013 c\u00e1i\u201d (t\u00ean ch\u1ee3<\/em>) nh\u01b0 th\u1ebf n\u00e0y:
\n\"Photobucket\"<\/a>\"Photobucket\"<\/a>
\nH\u00ecnh 1.6: Jack DC \u0111\u1ef1c (b\u00ean tr\u00e1i) \u2013 c\u00e1i (b\u00ean ph\u1ea3i) [Ti\u1ebfng Anh l\u00e0 DC Socket male & female]<\/em><\/p>\n

T\u1ea5t nhi\u00ean, ph\u1ea7n \u201c\u0111\u1ef1c\u201d s\u1ebd n\u1ed1i v\u1edbi d\u00e2y, ph\u1ea7n \u201cc\u00e1i\u201d h\u00e0n tr\u00ean board. \u1ede \u0111\u00e2y l\u00e0 c\u1ea5p \u0111i\u1ec7n AC, kh\u00f4ng c\u1ea7n quan t\u00e2m t\u1edbi chi\u1ec1u, c\u00f2n n\u1ebfu d\u00f9ng jack n\u00e0y \u0111\u1ec3 c\u1ea5p \u0111i\u1ec7n DC, c\u00e1c b\u1ea1n c\u1ea7n l\u01b0u \u00fd d\u00e2y d\u01b0\u01a1ng-\u00e2m tr\u00ean ph\u1ea7n male v\u00e0 female.<\/p>\n

T\u00e1c ph\u1ea9m s\u1ebd tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0y:<\/p>\n

\"Photobucket\"<\/a> <\/em><\/p>\n

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\n\"Photobucket\"<\/a>
\nH\u00ecnh 1.7: Tr\u00ean: Bi\u1ebfn \u00e1p v\u1edbi Jack-DC male<\/em><\/p>\n

D\u01b0\u1edbi: Jack-DC female tr\u00ean board<\/em><\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1ch 3: D\u00f9ng Domino<\/span><\/em><\/p>\n

Domino: Ti\u1ebfng Anh g\u1ecdi l\u00e0 Terminal Block, \u0111\u01b0\u1ee3c \u201cd\u1ecbch\u201d sang ti\u1ebfng ch\u1ee3 l\u00e0 \u201c\u0110\u00f4 \u2013 mi \u2013 n\u00f4\u201d, n\u00f3 g\u1ed3m c\u00e1c l\u1ed7 \u0111\u1ec3 b\u1eaft v\u00edt d\u00e2y \u0111i\u1ec7n v\u00e0o \u0111\u00f3, v\u00e0 c\u00e1c ch\u00e2n \u0111\u1ec3 h\u00e0n xu\u1ed1ng board.<\/p>\n

+ Ngo\u00e0i ch\u1ee3 th\u00ec s\u1ebd c\u00f3 lo\u1ea1i Domino 2 ch\u00e2n, 3 ch\u00e2n, c\u00e1c domino n\u00e0y c\u00f3 r\u00e3nh, c\u00f3 th\u1ec3 gh\u00e9p v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh nhi\u1ec1u ch\u00e2n h\u01a1n.<\/p>\n

+ K\u00edch th\u01b0\u1edbc c\u00f3 th\u1ec3 to nh\u1ecf kh\u00e1c nhau.<\/p>\n

+ H\u00ecnh d\u1ea1ng: c\u01a1 b\u1ea3n l\u00e0 c\u00f3 2 lo\u1ea1i, lo\u1ea1i ng\u1eafn v\u00e0 lo\u1ea1i d\u00e0i (hay lo\u1ea1i 1 mi\u1ebfng<\/em> <=> lo\u1ea1i th\u01b0\u1eddng<\/em>, v\u00e0 lo\u1ea1i 2 mi\u1ebfng<\/em>)
\n\"Photobucket\"<\/a>
\nH\u00ecnh 1.8: H\u00ecnh tr\u00ean: Domino lo\u1ea1i ng\u1eafn. H\u00ecnh d\u01b0\u1edbi: Domino lo\u1ea1i d\u00e0i.<\/em><\/p>\n

Ri\u00eang Domino d\u00e0i th\u00ec c\u00f2n chia th\u00e0nh 2 lo\u1ea1i nh\u1ecf n\u1eefa l\u00e0 lo\u1ea1i ch\u00e2n cong (vu\u00f4ng g\u00f3c 90\u00ba) v\u00e0 ch\u00e2n th\u1eb3ng.<\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa lo\u1ea1i ng\u1eafn v\u00e0 d\u00e0i \u0111\u00f3 l\u00e0:<\/p>\n

+ Domino lo\u1ea1i ng\u1eafn: h\u00e0n domino tr\u00ean board, b\u1eaft v\u00edt d\u00e2y v\u00e0o domino nh\u01b0 h\u00ecnh sau:<\/p>\n

\"Photobucket\"<\/a>
\nH\u00ecnh 1.9: Domino lo\u1ea1i ng\u1eafn + d\u00e2y \u0111i\u1ec7n<\/em><\/p>\n

+ Domino lo\u1ea1i d\u00e0i: g\u1ed3m c\u00f3 2 mi\u1ebfng, 1 mi\u1ebfng h\u00e0n c\u1ed1 \u0111\u1ecbnh tr\u00ean board, 1 mi\u1ebfng d\u00f9ng \u0111\u1ec3 b\u1eaft v\u00edt d\u00e2y \u0111i\u1ec7n:<\/p>\n

\"Photobucket\"<\/a>
\nH\u00ecnh 1.10: Domino lo\u1ea1i d\u00e0i \u2013 ch\u00e2n cong<\/em><\/p>\n

B\u00ean tr\u00e1i: h\u00e0n l\u00ean board. B\u00ean ph\u1ea3i: b\u1eaft d\u00e2y.<\/em><\/p>\n

M\u1ecdi thao t\u00e1c v\u1edbi bi\u1ebfn \u00e1p n\u00ean th\u1ef1c hi\u1ec7n khi kh\u00f4ng c\u1eafm \u0111i\u1ec7n, v\u00ec l\u00fd do an to\u00e0n. Khi s\u1eed d\u1ee5ng bi\u1ebfn \u00e1p c\u1ea7n c\u1ea9n th\u1eadn kh\u00f4ng cho 2 s\u1ee3i d\u00e2y ph\u1ea7n th\u1ee9 c\u1ea5p ch\u1ea1m nhau (–>ng\u1eafn m\u1ea1ch th\u1ee9 c\u1ea5p –> D\u00f2ng \u0111i\u1ec7n r\u1ea5t l\u1edbn –> b\u00f9m b\u00f9m)<\/p>\n

Download t\u00e0i li\u1ec7u d\u01b0\u1edbi d\u1ea1ng .pdf<\/a> [update 20.10.2010]<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Lo\u1ea1t b\u00e0i v\u1ec1: GI\u1edaI THI\u1ec6U M\u1ed8T S\u1ed0 LINH KI\u1ec6N \u2013 D\u1ee4NG C\u1ee4 C\u01a0 B\u1ea2N D\u00c0NH CHO NG\u01af\u1edcI M\u1edaI B\u1eaeT \u0110\u1ea6U 1. BI\u1ebeN \u00c1P V\u00ec ngu\u1ed3n c\u1ea5p cho c\u00e1c m\u1ea1ch \u0111i\u1ec7n t\u1eed, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c m\u1ea1ch vi \u0111i\u1ec1u khi\u1ec3n l\u00e0 \u0111i\u1ec7n \u00e1p DC, c\u00f3 gi\u00e1 tr\u1ecb nh\u1ecf (v\u00ed d\u1ee5 3.3V, 5V, 12V, 15V, \u2026), m\u00e0 \u0111i\u1ec7n l\u01b0\u1edbi c\u1ee7a ch\u00fang ta l\u00e0 xoay chi\u1ec1u, 220VAC, n\u00ean ch\u00fang ta ph\u1ea3i l\u00e0m 2 vi\u1ec7c \u0111\u1ec3 c\u00f3 ngu\u1ed3n c\u1ea5p cho c\u00e1c th\u1ec3 lo\u1ea1i m\u1ea1ch \u0111i\u1ec7n t\u1eed: –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 l\u00e0: H\u1ea1 \u00e1p ngu\u1ed3n xoay chi\u1ec1u t\u1eeb 220VAC xu\u1ed1ng 1 m\u1ee9c th\u1ea5p h\u01a1n ph\u00f9 h\u1ee3p v\u1edbi \u2026<\/p>\n

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