{"id":4449,"date":"2025-05-27T15:23:22","date_gmt":"2025-05-27T07:23:22","guid":{"rendered":"https:\/\/meskernel.net\/?p=4449"},"modified":"2026-02-28T15:48:03","modified_gmt":"2026-02-28T07:48:03","slug":"usart-vs-uart","status":"publish","type":"post","link":"https:\/\/meskernel.net\/pt\/usart-vs-uart\/","title":{"rendered":"Comunica\u00e7\u00e3o USART vs UART - O que os engenheiros precisam de saber"},"content":{"rendered":"<p>Ao integrar um laser <a href=\"https:\/\/meskernel.net\/pt\/products\/\">sensor de dist\u00e2ncia<\/a> into an embedded system, one of the most important considerations is the type of serial interface it supports\u2014USART vs UART. This comparison isn\u2019t just technical jargon; understanding the key differences between USART vs UART can directly impact the reliability and efficiency of your sensor communication setup. While these two protocols are often confused or used interchangeably, they operate differently at the hardware level. Knowing which one your <a href=\"https:\/\/meskernel.net\/pt\/laser-rangefinder\/\">tel\u00e9metro laser<\/a> \u00e9 essencial para uma integra\u00e7\u00e3o perfeita, especialmente em aplica\u00e7\u00f5es de alta precis\u00e3o em que a temporiza\u00e7\u00e3o e a integridade dos dados s\u00e3o cr\u00edticas.<\/p>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1748328586643\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">O que \u00e9 a UART?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>UART (Universal Asynchronous Receiver\/Transmitter) is a simple, widely-used <a href=\"https:\/\/meskernel.net\/pt\/serial-communication\/\">comunica\u00e7\u00e3o em s\u00e9rie<\/a> protocol that operates without a shared clock. It sends data asynchronously using start\/stop bits and a pre-defined baud rate.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<p><strong>As principais vantagens da UART incluem:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Configura\u00e7\u00e3o f\u00e1cil com <a href=\"https:\/\/meskernel.net\/pt\/microcontrollers-and-laser-sensors\/\">microcontroladores<\/a> como <a href=\"https:\/\/meskernel.net\/pt\/arduino-laser-distance-modules\/\">Arduino<\/a> ou <a href=\"https:\/\/meskernel.net\/pt\/esp32-laser-distance-sensor\/\">ESP32<\/a><\/li>\n\n\n\n<li>Sem necessidade de uma linha de rel\u00f3gio externa<\/li>\n\n\n\n<li>Amplamente suportado em eletr\u00f3nica de consumo e de bricolage<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1748328624509\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">O que \u00e9 a USART?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>A USART (Universal Synchronous\/Asynchronous Receiver\/Transmitter) baseia-se na UART, suportando tanto a comunica\u00e7\u00e3o ass\u00edncrona como a s\u00edncrona. Esta flexibilidade adicional torna-a especialmente \u00fatil em sistemas incorporados mais complexos ou de n\u00edvel industrial.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<p><strong>Vantagens da USART:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Funciona tanto no modo UART como no modo s\u00edncrono<\/li>\n\n\n\n<li>Suporta comunica\u00e7\u00f5es de alta velocidade ou sens\u00edveis ao rel\u00f3gio<\/li>\n\n\n\n<li>Frequentemente encontrados em MCUs baseados em STM32, AVR e ARM<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Por que \u00e9 importante para os sensores de dist\u00e2ncia a laser<\/h2>\n\n\n\n<p>Muitos dos actuais produtos de elevado desempenho <a href=\"https:\/\/meskernel.net\/pt\/laser-distance-tech\/\">dist\u00e2ncia do laser<\/a> sensors, including those from <a href=\"https:\/\/meskernel.net\/pt\/\">Meskernel<\/a>s\u00e3o constru\u00eddos com interfaces de comunica\u00e7\u00e3o USART (UART de n\u00edvel TTL). Isto significa que um sensor como o TS1224 n\u00e3o s\u00f3 oferece:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Medi\u00e7\u00e3o de longo alcance de alta precis\u00e3o (com base na tecnologia laser de 905 nm)<\/li>\n\n\n\n<li>Fator de forma compacto e leve<\/li>\n\n\n\n<li>Sa\u00edda de medi\u00e7\u00e3o em tempo real<\/li>\n<\/ul>\n\n\n\n<p>...mas tamb\u00e9m fornece uma comunica\u00e7\u00e3o em s\u00e9rie vers\u00e1til que \u00e9 compat\u00edvel com a maioria dos microcontroladores e sistemas industriais.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udee0\ufe0f Aplica\u00e7\u00f5es t\u00edpicas:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Automa\u00e7\u00e3o industrial<\/strong> para o n\u00edvel e <a href=\"https:\/\/meskernel.net\/pt\/distance-measurement-sensor\/\">medi\u00e7\u00e3o de dist\u00e2ncias<\/a><\/li>\n\n\n\n<li><strong>Drones inteligentes (<a href=\"https:\/\/meskernel.net\/pt\/laser-distance-sensors-in-uav\/\">UAV<\/a>)<\/strong> para um controlo preciso da altitude<\/li>\n\n\n\n<li><strong>Rob\u00f3tica <a href=\"https:\/\/meskernel.net\/pt\/navigation-distance-sensor\/\">navega\u00e7\u00e3o<\/a><\/strong> e SLAM (Localiza\u00e7\u00e3o e Mapeamento Simult\u00e2neos)<\/li>\n\n\n\n<li><strong>Armaz\u00e9m <a href=\"https:\/\/meskernel.net\/pt\/autonomous-logistics\/\">log\u00edstica<\/a><\/strong> para o objeto <a href=\"https:\/\/meskernel.net\/pt\/animal-detection\/\">dete\u00e7\u00e3o<\/a><\/li>\n\n\n\n<li><strong>M\u00e1quinas agr\u00edcolas<\/strong> para o terreno seguinte<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u2705 <em>Todas estas aplica\u00e7\u00f5es beneficiam de uma comunica\u00e7\u00e3o em s\u00e9rie robusta e de baixa lat\u00eancia - poss\u00edvel atrav\u00e9s de interfaces USART.<\/em><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\udde9 USART vs UART: Compara\u00e7\u00e3o t\u00e9cnica r\u00e1pida<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Carater\u00edstica<\/th><th>UART<\/th><th>USART<\/th><\/tr><\/thead><tbody><tr><td>Sinal de rel\u00f3gio<\/td><td>N\u00e3o \u00e9 necess\u00e1rio<\/td><td>Necess\u00e1rio (para o modo s\u00edncrono)<\/td><\/tr><tr><td>Tipo de comunica\u00e7\u00e3o<\/td><td>Apenas ass\u00edncrono<\/td><td>Ass\u00edncrono + S\u00edncrono<\/td><\/tr><tr><td>Velocidade e precis\u00e3o<\/td><td>Padr\u00e3o<\/td><td>Maior velocidade, maior precis\u00e3o<\/td><\/tr><tr><td>Encontrado em<\/td><td>Arduino, ESP8266, Raspberry Pi<\/td><td>STM32, AVR, MCUs industriais<\/td><\/tr><tr><td>Utilizado em <a href=\"https:\/\/meskernel.net\/pt\/about\/\">Meskernel<\/a> Sensores<\/td><td>\u2705 (atrav\u00e9s de USART de n\u00edvel TTL)<\/td><td>\u2705<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Descubra a nossa linha de sensores de dist\u00e2ncia a laser<\/h2>\n\n\n\n<p>O Meskernel oferece uma gama de<a href=\"https:\/\/meskernel.net\/pt\/sensores-de-distancia-laser-industriais\/\"> <strong>sensores de dist\u00e2ncia laser de n\u00edvel industrial<\/strong><\/a> com interfaces UART\/USART, ideal para programadores, engenheiros e integradores de sistemas:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd0d Produto em destaque: <a href=\"https:\/\/meskernel.net\/pt\/product\/modulo-de-distancia-laser\/\">M\u00f3dulo de dist\u00e2ncia laser TS1224<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tipo de laser:<\/strong> Laser semicondutor de 905nm<\/li>\n\n\n\n<li><strong>Interface:<\/strong> UART (TTL) via USART<\/li>\n\n\n\n<li><strong>Alcance:<\/strong> At\u00e9 1500 metros<\/li>\n\n\n\n<li><strong>Precis\u00e3o:<\/strong> \u00b11 m<\/li>\n\n\n\n<li><strong>Ideal para:<\/strong> Rob\u00f3tica, drones, automa\u00e7\u00e3o, log\u00edstica e muito mais<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 <a href=\"https:\/\/meskernel.net\/pt\/produtos\/\">Ver todos os sensores<\/a><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"d0d3d0\" data-has-transparency=\"false\" style=\"--dominant-color: #d0d3d0;\" fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"718\" data-id=\"4444\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2025\/04\/distance-sensor-module.webp\" alt=\"m\u00f3dulo sensor de dist\u00e2ncia\" class=\"wp-image-4444 not-transparent\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2025\/04\/distance-sensor-module.webp 800w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/04\/distance-sensor-module-300x269.webp 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/04\/distance-sensor-module-768x689.webp 768w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/04\/distance-sensor-module-400x359.webp 400w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">phase <a href=\"https:\/\/meskernel.net\/pt\/laser-sensors-for-railway\/\">sensores laser<\/a><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"636\" height=\"586\" data-id=\"3322\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2024\/12\/Types-of-Distance-Sensors.jpg\" alt=\"Tipos de sensores de dist\u00e2ncia\" class=\"wp-image-3322\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2024\/12\/Types-of-Distance-Sensors.jpg 636w, https:\/\/meskernel.net\/wp-content\/uploads\/2024\/12\/Types-of-Distance-Sensors-300x276.jpg 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2024\/12\/Types-of-Distance-Sensors-400x369.jpg 400w\" sizes=\"(max-width: 636px) 100vw, 636px\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/meskernel.net\/pt\/types-of-distance-sensors\/\">Tipos de sensores de dist\u00e2ncia<\/a><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"641\" height=\"438\" data-id=\"3480\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2025\/01\/range-finder.jpg\" alt=\"tel\u00e9metro\" class=\"wp-image-3480\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2025\/01\/range-finder.jpg 641w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/01\/range-finder-300x205.jpg 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2025\/01\/range-finder-400x273.jpg 400w\" sizes=\"(max-width: 641px) 100vw, 641px\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/meskernel.net\/pt\/range-finder\/\">tel\u00e9metro<\/a><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"3533\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2024\/10\/LiDAR-Technology-1024x683.jpg\" alt=\"Tecnologia LiDAR\" class=\"wp-image-3533\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2024\/10\/LiDAR-Technology-1024x683.jpg 1024w, https:\/\/meskernel.net\/wp-content\/uploads\/2024\/10\/LiDAR-Technology-300x200.jpg 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2024\/10\/LiDAR-Technology-768x512.jpg 768w, https:\/\/meskernel.net\/wp-content\/uploads\/2024\/10\/LiDAR-Technology-400x267.jpg 400w, https:\/\/meskernel.net\/wp-content\/uploads\/2024\/10\/LiDAR-Technology.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/meskernel.net\/pt\/lidar\/\">LiDAR<\/a> Tecnologia<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" data-id=\"3042\" src=\"https:\/\/meskernel.net\/wp-content\/uploads\/2024\/12\/Distance-Measurement-System.jpg\" alt=\"Sistema de medi\u00e7\u00e3o de dist\u00e2ncias\" class=\"wp-image-3042\" srcset=\"https:\/\/meskernel.net\/wp-content\/uploads\/2024\/12\/Distance-Measurement-System.jpg 750w, https:\/\/meskernel.net\/wp-content\/uploads\/2024\/12\/Distance-Measurement-System-300x200.jpg 300w, https:\/\/meskernel.net\/wp-content\/uploads\/2024\/12\/Distance-Measurement-System-400x267.jpg 400w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/meskernel.net\/pt\/distance-measurement-system\/\">Sistema de medi\u00e7\u00e3o de dist\u00e2ncias<\/a><\/figcaption><\/figure>\n<\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcc8 Aumentar o desempenho do design incorporado com sensores compat\u00edveis com USART<\/h2>\n\n\n\n<p>Sele\u00e7\u00e3o de um dispositivo USART <a href=\"https:\/\/meskernel.net\/pt\/advantages-of-laser-distance-sensor\/\">sensor de dist\u00e2ncia por laser<\/a> not only streamlines development but also ensures future scalability across applications. Whether you&#8217;re building a robot, a drone, or a factory <a href=\"https:\/\/meskernel.net\/pt\/high-precision-laser-sensors\/\">sistema de automa\u00e7\u00e3o<\/a>, the right communication protocol is essential for real-time reliability and precision.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\ude4b Perguntas frequentes (FAQ)<\/h3>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1748325284855\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">\u2753 <strong>Qual \u00e9 a diferen\u00e7a entre TTL UART e USART? (USART vs UART explicado)<\/strong><\/h5>\n<div class=\"rank-math-answer\">\n\n<p><strong>USART vs UART<\/strong> \u00e9 uma compara\u00e7\u00e3o comum na comunica\u00e7\u00e3o incorporada. A principal diferen\u00e7a \u00e9 que a USART<strong> <\/strong>(Recetor\/Transmissor S\u00edncrono\/Ass\u00edncrono Universal)<strong> <\/strong>suporta comunica\u00e7\u00e3o s\u00edncrona e ass\u00edncrona, enquanto o UART (Universal Asynchronous Receiver\/Transmitter) suporta apenas o modo ass\u00edncrono.<br \/><strong><a href=\"https:\/\/meskernel.net\/pt\/ttl-uart\/\">TTL UART<\/a><\/strong> refere-se a um sinal UART que utiliza n\u00edveis de tens\u00e3o Transistor-Transistor Logic (TTL) - normalmente 3,3 V ou 5 V - comuns em sistemas incorporados. Enquanto a UART TTL \u00e9 uma especifica\u00e7\u00e3o de interface f\u00edsica, a USART refere-se a um m\u00f3dulo de comunica\u00e7\u00e3o mais flex\u00edvel que tamb\u00e9m pode emitir sinais de n\u00edvel TTL, dependendo do hardware.<br \/>Em suma:<br \/><strong>USART<\/strong> = suporta os modos sincronizado e ass\u00edncrono<br \/><strong>UART<\/strong> = apenas ass\u00edncrono<br \/><strong>TTL UART<\/strong> = Sinal UART em n\u00edveis de tens\u00e3o TTL<br \/>A compreens\u00e3o destas diferen\u00e7as ajuda os engenheiros a selecionar a interface correta para dispositivos como <a href=\"https:\/\/meskernel.net\/pt\/laser-distance-sensors\/\">sensores de dist\u00e2ncia por laser<\/a> in embedded applications.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1748325304360\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">Os sensores Meskernel s\u00e3o compat\u00edveis com o Arduino?<\/h5>\n<div class=\"rank-math-answer\">\n\n<p>Sim, a maioria dos sensores Meskernel utiliza UART compat\u00edvel com TTL (via USART), tornando-os facilmente integr\u00e1veis com Arduino, STM32 e outras plataformas comuns.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1748325331512\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">Posso utilizar os sensores de dist\u00e2ncia a laser Meskernel em ambientes exteriores?<\/h5>\n<div class=\"rank-math-answer\">\n\n<p>Sim. Muitos dos nossos modelos foram concebidos para utiliza\u00e7\u00e3o industrial no exterior, com um forte design anti-interfer\u00eancia e resistente \u00e0s intemp\u00e9ries.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1748329098401\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">\u2753 <strong>A USART \u00e9 melhor do que a UART para sensores de dist\u00e2ncia a laser?<\/strong><\/h5>\n<div class=\"rank-math-answer\">\n\n<p>Depende da sua aplica\u00e7\u00e3o. No debate entre USART e UART, a USART oferece mais flexibilidade porque suporta comunica\u00e7\u00e3o s\u00edncrona e ass\u00edncrona. No entanto, a maioria dos sensores de dist\u00e2ncia a laser utiliza apenas comunica\u00e7\u00e3o ass\u00edncrona, tornando a UART mais do que suficiente em muitos casos. Se o seu microcontrolador tiver uma USART, pode normalmente funcionar em modo UART, o que lhe d\u00e1 uma maior compatibilidade com sensores incorporados.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1748329142386\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">\u2753 <strong>A USART pode ser utilizada como UART em sistemas incorporados?<\/strong><\/h5>\n<div class=\"rank-math-answer\">\n\n<p>Sim. Na maioria dos microcontroladores, os m\u00f3dulos USART podem funcionar em modo UART, desactivando o rel\u00f3gio s\u00edncrono. Isto torna a USART altamente vers\u00e1til em projectos incorporados. No contexto USART vs UART, esta adaptabilidade \u00e9 uma das raz\u00f5es pelas quais os engenheiros escolhem frequentemente MCUs compat\u00edveis com USART quando trabalham com dispositivos como m\u00f3dulos laser TTL UART.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1748329183734\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">\u2753 <strong>Porque \u00e9 que USART vs UART \u00e9 importante na escolha de um m\u00f3dulo sensor?<\/strong><\/h5>\n<div class=\"rank-math-answer\">\n\n<p>A escolha entre USART e UART \u00e9 importante porque afecta a forma como o seu MCU interage com perif\u00e9ricos como sensores de dist\u00e2ncia a laser. Alguns m\u00f3dulos requerem explicitamente UART TTL em n\u00edveis de tens\u00e3o espec\u00edficos (por exemplo, 3,3 V), enquanto outros podem funcionar melhor com fluxos de dados s\u00edncronos. Conhecer o tipo de comunica\u00e7\u00e3o do seu sensor ajuda a evitar problemas de compatibilidade em sistemas incorporados.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1748329223627\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">\u2753 <strong>Todos os microcontroladores suportam USART e UART?<\/strong><\/h5>\n<div class=\"rank-math-answer\">\n\n<p>N\u00e3o. Nem todos os microcontroladores t\u00eam perif\u00e9ricos USART dedicados. Alguns apenas oferecem UART, o que os limita \u00e0 comunica\u00e7\u00e3o ass\u00edncrona. Em termos de USART vs UART, os microcontroladores com USART oferecem mais flexibilidade para projectos de sensores \u00e0 prova de futuro, especialmente se for necess\u00e1ria a transfer\u00eancia s\u00edncrona de dados.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1748329257658\" class=\"rank-math-list-item\">\n<h5 class=\"rank-math-question\">\u2753 <strong>Que n\u00edveis de tens\u00e3o s\u00e3o t\u00edpicos das UART TTL utilizadas em sensores laser?<\/strong><\/h5>\n<div class=\"rank-math-answer\">\n\n<p>A maioria das interfaces UART TTL utilizadas em <a href=\"https:\/\/www.globalsources.com\/chengdu-meskernel\/showroom_6002100157315.htm\" target=\"_blank\" rel=\"noopener\">sensores de dist\u00e2ncia por laser<\/a> funcionam a 3,3V ou 5V, dependendo do projeto do sensor. Estes n\u00edveis de tens\u00e3o s\u00e3o importantes quando se considera USART vs UART, porque a compatibilidade da camada f\u00edsica \u00e9 t\u00e3o importante como a compatibilidade do protocolo.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\ude80 Pronto para come\u00e7ar?<\/h2>\n\n\n\n<p>Explorar o nosso<a href=\"https:\/\/meskernel.net\/pt\/descarregar\/\"> Cat\u00e1logo de sensores de dist\u00e2ncia por laser<\/a> e comece a construir o seu pr\u00f3ximo sistema incorporado de alta precis\u00e3o com o protocolo de comunica\u00e7\u00e3o correto.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-meskernel wp-block-embed-meskernel\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"bNqj9y6Dt4\"><a href=\"https:\/\/meskernel.net\/pt\/analog-distance-sensors\/\">Sensores de dist\u00e2ncia anal\u00f3gicos versus digitais: Um guia pr\u00e1tico para engenheiros e integradores<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u300a Analog Distance Sensors vs Digital: A Practical Guide for Engineers &amp; Integrators \u300b\u2014Meskernel\" src=\"https:\/\/meskernel.net\/analog-distance-sensors\/embed\/#?secret=vYpn8P1jWr#?secret=bNqj9y6Dt4\" data-secret=\"bNqj9y6Dt4\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>Compare USART vs UART communication interfaces in terms of speed, modes, and applications. Find out which serial interface fits your MCU or embedded design.<\/p>","protected":false},"author":1,"featured_media":4450,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","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":[50],"tags":[],"class_list":["post-4449","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"_links":{"self":[{"href":"https:\/\/meskernel.net\/pt\/wp-json\/wp\/v2\/posts\/4449","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/meskernel.net\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/meskernel.net\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/meskernel.net\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/meskernel.net\/pt\/wp-json\/wp\/v2\/comments?post=4449"}],"version-history":[{"count":0,"href":"https:\/\/meskernel.net\/pt\/wp-json\/wp\/v2\/posts\/4449\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/meskernel.net\/pt\/wp-json\/wp\/v2\/media\/4450"}],"wp:attachment":[{"href":"https:\/\/meskernel.net\/pt\/wp-json\/wp\/v2\/media?parent=4449"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/meskernel.net\/pt\/wp-json\/wp\/v2\/categories?post=4449"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/meskernel.net\/pt\/wp-json\/wp\/v2\/tags?post=4449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}