{"id":11280,"date":"2024-12-12T23:33:45","date_gmt":"2024-12-12T15:33:45","guid":{"rendered":"https:\/\/viox.com\/?p=11280"},"modified":"2024-12-13T08:22:29","modified_gmt":"2024-12-13T00:22:29","slug":"2-pin-vs-4-pin-switches","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/2-pin-vs-4-pin-switches\/","title":{"rendered":"C\u00f4ng t\u1eafc 2 ch\u00e2n so v\u1edbi 4 ch\u00e2n"},"content":{"rendered":"<div class=\"product-intro\">\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00f4ng t\u1eafc n\u00fat 2 ch\u00e2n v\u00e0 c\u00f4ng t\u1eafc n\u00fat 4 ch\u00e2n n\u1eb1m \u1edf c\u1ea5u tr\u00fac, ch\u1ee9c n\u0103ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang, trong \u0111\u00f3 c\u00f4ng t\u1eafc n\u00fat 4 ch\u00e2n c\u00f3 t\u00ednh linh ho\u1ea1t v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ph\u1ee9c t\u1ea1p.<\/p>\n<h2>T\u1ed5ng quan v\u1ec1 c\u00f4ng t\u1eafc n\u00fat 2 ch\u00e2n<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-11287\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/2-pin-push-button.webp\" alt=\"2-pin push button Wiring \" width=\"800\" height=\"495\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/2-pin-push-button.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/2-pin-push-button-300x186.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/2-pin-push-button-768x475.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/2-pin-push-button-18x12.webp 18w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/2-pin-push-button-600x371.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: center;\">D\u00e2y n\u00fat 2 ch\u00e2n<\/p>\n<p>C\u00f4ng t\u1eafc n\u00fat nh\u1ea5n 2 ch\u00e2n l\u00e0 m\u1ed9t linh ki\u1ec7n \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 trong m\u1ea1ch \u0111i\u1ec7n t\u1eed, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi hai \u0111\u1ea7u c\u1ef1c c\u00f3 th\u1ec3 \u0111\u00f3ng ho\u1eb7c ng\u1eaft m\u1ea1ch khi nh\u1ea5n. Thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n n\u00e0y l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng b\u1eadt\/t\u1eaft c\u01a1 b\u1ea3n trong c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng, \u0111\u1ed3 ch\u01a1i v\u00e0 c\u00e1c d\u1ef1 \u00e1n \u0111i\u1ec7n t\u1eed c\u01a1 b\u1ea3n. Ch\u1ee9c n\u0103ng c\u1ee7a c\u00f4ng t\u1eafc 2 ch\u00e2n r\u1ea5t \u0111\u01a1n gi\u1ea3n: khi \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, n\u00f3 cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua, v\u00e0 khi \u0111\u01b0\u1ee3c nh\u1ea3 ra, n\u00f3 s\u1ebd d\u1eebng d\u00f2ng \u0111i\u1ec7n, mang l\u1ea1i ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u khi\u1ec3n r\u00f5 r\u00e0ng v\u00e0 tr\u1ef1c ti\u1ebfp cho nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c nhau. M\u1eb7c d\u00f9 c\u00e1c c\u00f4ng t\u1eafc n\u00e0y d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 \u0111\u1ee7 cho nhi\u1ec1u t\u00e1c v\u1ee5 c\u01a1 b\u1ea3n, nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 thi\u1ebfu t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 t\u00ednh linh ho\u1ea1t nh\u01b0 c\u00e1c c\u00f4ng t\u1eafc 4 ch\u00e2n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c thi\u1ebft l\u1eadp \u0111i\u1ec7n t\u1eed ph\u1ee9c t\u1ea1p h\u01a1n.<\/p>\n<h2>T\u00ednh n\u0103ng c\u1ee7a c\u00f4ng t\u1eafc n\u00fat 4 ch\u00e2n<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-11288\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/4-pin-push-button.webp\" alt=\"4-pin push button Wiring\" width=\"800\" height=\"668\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/4-pin-push-button.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/4-pin-push-button-300x251.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/4-pin-push-button-768x641.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/4-pin-push-button-14x12.webp 14w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/4-pin-push-button-600x501.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: center;\">N\u00fat v\u1eb7n 4 ch\u00e2n<\/p>\n<p>C\u00f4ng t\u1eafc n\u00fat nh\u1ea5n 4 ch\u00e2n mang l\u1ea1i ch\u1ee9c n\u0103ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao h\u01a1n so v\u1edbi c\u00f4ng t\u1eafc 2 ch\u00e2n. C\u00e1c c\u00f4ng t\u1eafc n\u00e0y th\u01b0\u1eddng c\u00f3 b\u1ed1n \u0111\u1ea7u n\u1ed1i \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i n\u1ed9i b\u1ed9 th\u00e0nh hai b\u1ed9, cung c\u1ea5p th\u00eam h\u1ed7 tr\u1ee3 khi l\u1eafp tr\u00ean thi\u1ebft b\u1ecb. C\u00e1c ch\u00e2n c\u1eafm b\u1ed5 sung c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 nhi\u1ec1u m\u1ee5c \u0111\u00edch, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1ea5p ngu\u1ed3n cho \u0111\u00e8n b\u00e1o LED b\u00ean trong c\u00f4ng t\u1eafc ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n nhi\u1ec1u m\u1ea1ch c\u00f9ng l\u00fac. T\u00ednh linh ho\u1ea1t n\u00e0y l\u00e0m cho c\u00f4ng t\u1eafc 4 ch\u00e2n \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ph\u1ee9c t\u1ea1p v\u00e0 c\u00e1c d\u1ef1 \u00e1n vi \u0111i\u1ec1u khi\u1ec3n, n\u01a1i ch\u00fang c\u00f3 th\u1ec3 cung c\u1ea5p t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o \u0111\u1ed3ng th\u1eddi chi\u1ebfu s\u00e1ng \u0111\u00e8n LED \u0111\u1ec3 b\u00e1o tr\u1ea1ng th\u00e1i. Thi\u1ebft k\u1ebf c\u1ee7a c\u00f4ng t\u1eafc 4 ch\u00e2n c\u0169ng cho ph\u00e9p linh ho\u1ea1t h\u01a1n trong b\u1ed1 tr\u00ed b\u1ea3ng m\u1ea1ch, v\u00ec c\u00e1c ch\u00e2n c\u1eafm b\u1ed5 sung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ecf qua c\u00e1c track, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a thi\u1ebft k\u1ebf PCB.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-11281\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/2-Pin-vs-4-Pin-Switches.webp\" alt=\"2-Pin vs 4-Pin Switches\" width=\"800\" height=\"449\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/2-Pin-vs-4-Pin-Switches.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/2-Pin-vs-4-Pin-Switches-300x168.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/2-Pin-vs-4-Pin-Switches-768x431.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/2-Pin-vs-4-Pin-Switches-18x10.webp 18w, https:\/\/test.viox.com\/wp-content\/uploads\/2024\/12\/2-Pin-vs-4-Pin-Switches-600x337.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a c\u00f4ng t\u1eafc n\u00fat nh\u1ea5n<\/h2>\n<p>C\u00f4ng t\u1eafc n\u00fat nh\u1ea5n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 thi\u1ebft b\u1ecb kh\u00e1c nhau. C\u00f4ng t\u1eafc 2 ch\u00e2n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng, \u0111\u1ed3 ch\u01a1i v\u00e0 c\u00e1c d\u1ef1 \u00e1n \u0111i\u1ec7n t\u1eed c\u01a1 b\u1ea3n nh\u1edd t\u00ednh \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng. M\u1eb7t kh\u00e1c, c\u00f4ng t\u1eafc 4 ch\u00e2n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ph\u1ee9c t\u1ea1p h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 vi \u0111i\u1ec1u khi\u1ec3n Arduino v\u00e0 Raspberry Pi. C\u00e1c c\u00f4ng t\u1eafc n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c d\u1ef1 \u00e1n c\u1ea7n ch\u1ee9c n\u0103ng b\u1ed5 sung, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u00e8n b\u00e1o LED ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n nhi\u1ec1u m\u1ea1ch. Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa c\u00f4ng t\u1eafc 2 ch\u00e2n v\u00e0 4 ch\u00e2n cu\u1ed1i c\u00f9ng ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng, v\u1edbi c\u00f4ng t\u1eafc 4 ch\u00e2n mang l\u1ea1i t\u00ednh linh ho\u1ea1t v\u00e0 \u1ed5n \u0111\u1ecbnh cao h\u01a1n cho c\u00e1c thi\u1ebft l\u1eadp \u0111i\u1ec7n t\u1eed ph\u1ee9c t\u1ea1p h\u01a1n.<\/p>\n<h2>So s\u00e1nh c\u00e1c c\u00f4ng t\u1eafc n\u00fat b\u1ea5m<\/h2>\n<p>Khi so s\u00e1nh c\u00f4ng t\u1eafc n\u00fat 2 ch\u00e2n v\u00e0 4 ch\u00e2n, c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh sau:<\/p>\n<ul>\n<li><strong>X\u1eed l\u00fd hi\u1ec7n t\u1ea1i:<\/strong> C\u00f4ng t\u1eafc 4 ch\u00e2n th\u01b0\u1eddng c\u00f3 \u0111\u1ecbnh m\u1ee9c d\u00f2ng \u0111i\u1ec7n cao h\u01a1n, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u c\u00f4ng su\u1ea5t l\u1edbn h\u01a1n.<\/li>\n<li><strong>S\u1ef1 \u1ed5n \u0111\u1ecbnh:<\/strong> C\u00e1c ch\u00e2n c\u1eafm b\u1ed5 sung trong c\u00f4ng t\u1eafc 4 ch\u00e2n cung c\u1ea5p \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u01a1 h\u1ecdc t\u1ed1t h\u01a1n khi l\u1eafp tr\u00ean b\u1ea3ng m\u1ea1ch.<\/li>\n<li><strong>T\u00ednh linh ho\u1ea1t trong thi\u1ebft k\u1ebf PCB:<\/strong> C\u00f4ng t\u1eafc 4 ch\u00e2n cung c\u1ea5p nhi\u1ec1u l\u1ef1a ch\u1ecdn h\u01a1n cho b\u1ed1 c\u1ee5c PCB v\u00ec c\u00e1c ch\u00e2n b\u1ed5 sung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ecf qua c\u00e1c r\u00e3nh, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a thi\u1ebft k\u1ebf m\u1ea1ch.<\/li>\n<li><strong>Chi ph\u00ed v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p:<\/strong> C\u00f4ng t\u1eafc 2 ch\u00e2n th\u01b0\u1eddng \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng c\u01a1 b\u1ea3n, trong khi c\u00f4ng t\u1eafc 4 ch\u00e2n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho c\u00e1c d\u1ef1 \u00e1n ph\u1ee9c t\u1ea1p h\u01a1n \u0111\u00f2i h\u1ecfi ch\u1ee9c n\u0103ng b\u1ed5 sung ho\u1eb7c \u0111\u1ed9 b\u1ec1n cao.<\/li>\n<\/ul>\n<h2>B\u00e0i vi\u1ebft li\u00ean quan:<\/h2>\n<p><a href=\"https:\/\/test.viox.com\/vi\/a-full-guide-to-push-button-switches\/\">H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 c\u00f4ng t\u1eafc n\u00fat nh\u1ea5n<\/a><\/p>\n<p><a href=\"https:\/\/test.viox.com\/vi\/push-buttons-vs-toggle-switches\/\">N\u00fat nh\u1ea5n so v\u1edbi c\u00f4ng t\u1eafc b\u1eadt t\u1eaft<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The difference between a 2-pin button switch and a 4-pin button switch lies in their structure, functionality, and applications, with the latter offering more versatility and stability in complex electronic devices. 2-Pin Button Switch Overview 2-PIN Button Wiring A 2-pin button switch is a simple yet effective component in electronic circuits, designed with two terminals [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":11281,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11280","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/11280","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/comments?post=11280"}],"version-history":[{"count":0,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/11280\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/11281"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=11280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=11280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=11280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}