{"id":35702,"date":"2025-12-30T17:07:18","date_gmt":"2025-12-30T09:07:18","guid":{"rendered":"https:\/\/pcbcool.com\/?p=35702"},"modified":"2026-01-15T19:11:36","modified_gmt":"2026-01-15T11:11:36","slug":"screenless-esp32-wearable-for-remote-patient-monitoring-case-study","status":"publish","type":"post","link":"https:\/\/pcbcool.com\/pt-br\/case-studies\/screenless-esp32-wearable-for-remote-patient-monitoring-case-study\/","title":{"rendered":"Estudo de Caso: Vest\u00edvel ESP32 Sem Tela para Monitoramento Remoto de Pacientes"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"35702\" class=\"elementor elementor-35702\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-6bff3ff e-flex e-con-boxed e-con e-parent\" data-id=\"6bff3ff\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6abee4e e-con-full e-flex e-con e-child\" data-id=\"6abee4e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-78ebb0a color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"78ebb0a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A maioria dos dispositivos vest\u00edveis de consumo disputa a aten\u00e7\u00e3o com telas AMOLED brilhantes. Mas no setor de Monitoramento Remoto de Pacientes (RPM), as telas s\u00e3o frequentemente um passivo. Elas drenam a energia da bateria e podem confundir usu\u00e1rios idosos.<\/p><p>Um cliente da \u00e1rea da sa\u00fade precisava de um rastreador que desaparecesse. Ele deveria monitorar batimentos card\u00edacos, detectar quedas e enviar dados diretamente para a nuvem sem a necessidade de uma ponte de smartphone.<\/p><p>A escolha do chip foi o ESP32. Ele oferece conectividade dual-mode (WiFi + BLE), o que \u00e9 raro em dispositivos vest\u00edveis de baixo consumo. No entanto, isso vem com uma penalidade: alto consumo de energia.<\/p><p>\u00c9 assim que a equipe de engenharia equilibrou essas restri\u00e7\u00f5es.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-550f44d wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"550f44d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-primary wd-title-style-underlined wd-title-size-large text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-xxl\">O Conflito Central entre Poder e Tamanho<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53187e3 elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"53187e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-center\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"275\" height=\"300\" src=\"https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/ESP32-wroom32-module-275x300.jpg\" class=\"attachment-medium size-medium\" alt=\"M\u00f3dulo ESP32 WROOM32\" srcset=\"https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/ESP32-wroom32-module-275x300.jpg 275w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/ESP32-wroom32-module-150x164.jpg 150w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/ESP32-wroom32-module-600x654.jpg 600w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/ESP32-wroom32-module-734x800.jpg 734w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/ESP32-wroom32-module-768x837.jpg 768w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/ESP32-wroom32-module.jpg 1409w\" sizes=\"auto, (max-width: 275px) 100vw, 275px\" \/>\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-90c59f5 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"90c59f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O ESP32 \u00e9 um chip poderoso, mas n\u00e3o foi projetado para baterias do tamanho de uma moeda. Durante a transmiss\u00e3o WiFi, ele consome mais de 100mA. Com uma bateria padr\u00e3o de 400mAh, o dispositivo morreria em menos de um dia.<\/p><p>As restri\u00e7\u00f5es mec\u00e2nicas foram igualmente rigorosas. Sem uma montagem de tela para atuar como \u201ctampa\u201d, o gabinete precisou de moldagem precisa para permanecer resistente \u00e0 \u00e1gua enquanto abrigava os componentes eletr\u00f4nicos.<\/p><p><strong>Requisitos do Projeto vs. Realidade<\/strong><\/p><table><thead><tr><th><strong>Funcionalidade<\/strong><\/th><th><strong>Requisito<\/strong><\/th><th><strong>Desafio de Engenharia<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Conectividade<\/td><td>Wi-Fi (Nuvem) + BLE (Configura\u00e7\u00e3o)<\/td><td>O ESP32-PICO-D4 consome alta corrente de pico durante a transmiss\u00e3o Wi-Fi, o que complica o or\u00e7amento de energia.<\/td><\/tr><tr><td>Fator de Forma<\/td><td>Do tamanho de uma moeda, usado no pulso<\/td><td>Restri\u00e7\u00f5es mec\u00e2nicas n\u00e3o deixam margem para um layout convencional de placa de circuito impresso de camada \u00fanica.<\/td><\/tr><tr><td>Vida \u00datil da Bateria<\/td><td>\u2265 5 dias<\/td><td>As correntes de ociosidade e de suspens\u00e3o padr\u00e3o do ESP32 s\u00e3o muito altas para atingir a meta sem otimiza\u00e7\u00e3o agressiva de energia.<\/td><\/tr><tr><td>Sensores<\/td><td>Frequ\u00eancia card\u00edaca + detec\u00e7\u00e3o de queda<\/td><td>Os sensores devem ser eletricamente isolados do ru\u00eddo de comuta\u00e7\u00e3o e da interfer\u00eancia de radiofrequ\u00eancia na placa de circuito impresso (PCB).<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6acaceb wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"6acaceb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-primary wd-title-style-underlined wd-title-size-large text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-xxl\">Como Instalamos o Hardware em um Espa\u00e7o do Tamanho de uma Moeda<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5971e38 e-con-full e-flex e-con e-child\" data-id=\"5971e38\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b92e47a elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"b92e47a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-left\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"955\" height=\"859\" src=\"https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-TOP.jpg\" class=\"attachment-full size-full\" alt=\"Arquitetura de projeto de PCB TOP\" srcset=\"https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-TOP.jpg 955w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-TOP-150x135.jpg 150w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-TOP-600x540.jpg 600w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-TOP-334x300.jpg 334w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-TOP-889x800.jpg 889w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-TOP-768x691.jpg 768w\" sizes=\"auto, (max-width: 955px) 100vw, 955px\" \/>\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c35588d elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"c35588d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-left\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"955\" height=\"859\" src=\"https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-BOT.jpg\" class=\"attachment-full size-full\" alt=\"Arquitetura de design de PCB (Placa de Circuito Impresso) BOT\" srcset=\"https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-BOT.jpg 955w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-BOT-150x135.jpg 150w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-BOT-600x540.jpg 600w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-BOT-334x300.jpg 334w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-BOT-889x800.jpg 889w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/PCB-design-architecture-BOT-768x691.jpg 768w\" sizes=\"auto, (max-width: 955px) 100vw, 955px\" \/>\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-563cbb9 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"563cbb9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Os layouts de PCB padr\u00e3o n\u00e3o funcionaram. O footprint do ESP32, o conector da bateria e os sensores excederam a \u00e1rea dispon\u00edvel.<\/p><p>A solu\u00e7\u00e3o foi vertical. Implementamos um Design de Duas Placas (Arquitetura Empilhada).<\/p><ul><li><em>Placa-m\u00e3e<\/em> Abriga o ESP32-PICO-D4 e os circuitos de gerenciamento de energia.<\/li><li><em>Placa filha<\/em> Mant\u00e9m o conector da bateria, o sensor de frequ\u00eancia card\u00edaca MAX30102 e a IMU QMI8658.<\/li><li><em>Conex\u00e3o:<\/em> Um FPC de 10 pinos (passo de 0,5 mm) conecta os dois componentes, dobrando-se para se encaixar dentro do inv\u00f3lucro curvo.<\/li><\/ul><p>Para economizar cada mil\u00edmetro, utilizamos <strong>01005 componentes passivos<\/strong>. Este \u00e9 o limite para muitas linhas de montagem, mas foi necess\u00e1rio neste caso. Selecionamos tamb\u00e9m o LDO NCP167AMX330TBG, que vem em um min\u00fasculo encapsulamento de 1 mm x 1 mm.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b6aca3 wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"6b6aca3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-primary wd-title-style-underlined wd-title-size-large text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-xxl\">Como Solucionamos o Dreno de Energia<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c684e57 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"c684e57\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>N\u00e3o se pode simplesmente colocar uma bateria maior em um rel\u00f3gio. A \u00fanica maneira de obter 5 dias de autonomia foi mudar a forma como o sistema entra em modo de espera.<\/p><p>Constru\u00edmos uma arquitetura de pot\u00eancia de tr\u00eas n\u00edveis:<\/p><ul><li><em>PMIC Dedicado:<\/em> O CI de Gerenciamento de Energia AXP2101 gerencia os barramentos de tens\u00e3o. \u00c9 mais eficiente que LDOs padr\u00e3o e oferece controle preciso sobre o carregamento.<\/li><li><em>Despertar Acionado por Sensor:<\/em> O dispositivo permanece no modo de sono profundo 99% na maior parte do tempo. Ele n\u00e3o verifica se h\u00e1 movimento. Em vez disso, o aceler\u00f4metro QMI8658 est\u00e1 configurado para enviar um sinal de interrup\u00e7\u00e3o de hardware somente quando detecta padr\u00f5es espec\u00edficos de movimento (como uma queda).<\/li><li><em>Segurar Pino:<\/em> N\u00f3s usamos <strong>gpio_deep_sleep_hold_en<\/strong> no firmware. Isso mant\u00e9m pinos espec\u00edficos em um estado definido durante o sono, prevenindo vazamento de corrente sem despertar a CPU.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1334e4a wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"1334e4a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-primary wd-title-style-underlined wd-title-size-large text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-xxl\">Conectividade e Ajuste de Antena do ESP32<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-08b1112 elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"08b1112\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-left\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"626\" src=\"https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/Antenna-debugging-and-RF-testing-1536x626-1.jpg\" class=\"attachment-full size-full\" alt=\"Depura\u00e7\u00e3o de antena e testes de RF 1536x626\" srcset=\"https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/Antenna-debugging-and-RF-testing-1536x626-1.jpg 1536w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/Antenna-debugging-and-RF-testing-1536x626-1-150x61.jpg 150w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/Antenna-debugging-and-RF-testing-1536x626-1-600x245.jpg 600w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/Antenna-debugging-and-RF-testing-1536x626-1-400x163.jpg 400w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/Antenna-debugging-and-RF-testing-1536x626-1-1300x530.jpg 1300w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/Antenna-debugging-and-RF-testing-1536x626-1-768x313.jpg 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/>\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffc1c1f color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"ffc1c1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O desempenho de RF \u00e9 complicado em dispositivos sem tela. N\u00e3o h\u00e1 vidro para permitir a passagem de sinais facilmente, e a bateria \u00e9 essencialmente um bloco de metal posicionado ao lado da antena.<\/p><p>N\u00f3s usamos o <strong>ESP32-PICO-D4<\/strong>, que \u00e9 um m\u00f3dulo SIP (System-in-Package). Contudo, a rede de casamento ainda necessitava de ajuste.<\/p><p>Os testes de laborat\u00f3rio demonstraram que a proximidade do corpo desintonizava a antena. Ajustamos o circuito de casamento na PCB para compensar isso, garantindo que o dispositivo pudesse manter uma conex\u00e3o WiFi est\u00e1vel para uploads de dados em lote e uma conex\u00e3o BLE 5 para a configura\u00e7\u00e3o inicial do telefone.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a920ce wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"9a920ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-primary wd-title-style-underlined wd-title-size-large text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-xxl\">Passando o Projeto para a Produ\u00e7\u00e3o em Massa<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f532a13 elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"f532a13\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-center\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"681\" src=\"https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/3D-Drawing-of-ESP32-Watch-Sensor-768x681.jpg\" class=\"attachment-medium_large size-medium_large\" alt=\"Desenho 3D do Sensor de Rel\u00f3gio ESP32\" srcset=\"https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/3D-Drawing-of-ESP32-Watch-Sensor-768x681.jpg 768w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/3D-Drawing-of-ESP32-Watch-Sensor-150x133.jpg 150w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/3D-Drawing-of-ESP32-Watch-Sensor-600x532.jpg 600w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/3D-Drawing-of-ESP32-Watch-Sensor-338x300.jpg 338w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/3D-Drawing-of-ESP32-Watch-Sensor-902x800.jpg 902w, https:\/\/pcbcool.com\/wp-content\/uploads\/2025\/12\/3D-Drawing-of-ESP32-Watch-Sensor.jpg 1021w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-390d88a color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"390d88a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Construir um prot\u00f3tipo \u00e9 diferente de construir 5.000 unidades. Para dispositivos RPM, a confiabilidade dos dados \u00e9 a m\u00e9trica principal.<\/p><p>Controles de Produ\u00e7\u00e3o:<\/p><ul><li><em>FCT (Testes Funcionais):<\/em> Cada unidade passa por um dispositivo de teste customizado. Ele simula batimentos card\u00edacos para verificar o sensor MAX30102 e utiliza um agitador para testar os algoritmos de detec\u00e7\u00e3o de queda.<\/li><li><em>Inspe\u00e7\u00e3o por Raios-X:<\/em> Visto que o ESP32 e os sensores utilizam encapsulamentos BGA (Ball Grid Array), a inspe\u00e7\u00e3o visual n\u00e3o \u00e9 suficiente. O raio-X garante que as juntas de solda subjacentes estejam s\u00f3lidas.<\/li><li><em>Rastreabilidade:<\/em> Clientes m\u00e9dicos necessitam hist\u00f3rico. Armazenamos dados de teste (for\u00e7a do sinal RF, tens\u00e3o do sensor, n\u00famero de s\u00e9rie) por no m\u00ednimo 3 anos.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e5baa3 wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"5e5baa3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-primary wd-title-style-underlined wd-title-size-large text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-xxl\">Considera\u00e7\u00f5es Finais<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7bbfb84 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"7bbfb84\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Este projeto comprova que o ESP32 pode ser um n\u00facleo vi\u00e1vel para wearables se o gerenciamento de energia for realizado corretamente. Ao utilizar uma arquitetura de placa dupla e descarregar as tarefas de ativa\u00e7\u00e3o para sensores de baixo consumo, atingimos a meta de 5 dias de bateria sem sacrificar a conectividade de modo duplo.<\/p><p>Se voc\u00ea estiver desenvolvendo um dispositivo RPM semelhante ou um rastreador sem tela, precisar\u00e1 planejar esses desafios de energia e densidade no in\u00edcio da fase DFM.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-1620e06 e-flex e-con-boxed e-con e-parent\" data-id=\"1620e06\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-002415e e-con-full e-flex e-con e-child\" data-id=\"002415e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d03ca06 e-con-full e-flex e-con e-child\" data-id=\"d03ca06\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9c373aa wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"9c373aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-primary wd-title-style-underlined wd-title-size-large text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-xxl\">Perguntas Frequentes (FAQ)<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8ce272 elementor-widget elementor-widget-wd_accordion\" data-id=\"a8ce272\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-accordion wd-style-default wd-titles-left wd-opener-pos-left wd-opener-style-arrow\" data-state=\"first\">\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn wd-active\" data-accordion-index=\"0\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\t1. Por que usar o ESP32 em vez de um chip BLE dedicado?\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content wd-active\" data-accordion-index=\"0\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p>Os chips BLE consomem menos energia, mas dependem de um smartphone para enviar dados para a nuvem. O ESP32 possui Wi-Fi nativo. Isso permite que o rel\u00f3gio carregue dados diretamente para o servidor, o que \u00e9 fundamental para a RPM quando o paciente pode n\u00e3o ter seu telefone por perto.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn\" data-accordion-index=\"1\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\t2. \u00c9 realmente poss\u00edvel acomodar tudo em um gabinete sem tela?\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content\" data-accordion-index=\"1\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p>Sim, mas geralmente requer um projeto de PCB empilhado (conex\u00e3o Rigida-Flex ou FPC) e componentes 01005. Voc\u00ea n\u00e3o pode usar layouts de placas de desenvolvimento prontas.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn\" data-accordion-index=\"2\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\t3. Como os sensores s\u00e3o testados em produ\u00e7\u00e3o?\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content\" data-accordion-index=\"2\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p>N\u00f3s constru\u00edmos bancadas de ensaio personalizadas. Para sensores de frequ\u00eancia card\u00edaca, utilizamos um simulador que mimetiza a refletividade do fluxo sangu\u00edneo. Para IMUs (aceler\u00f4metros), utilizamos mesas de movimento automatizadas para verificar a sensibilidade dos eixos.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn\" data-accordion-index=\"3\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\t4. O que acontece se um componente atingir o fim de vida (EOL - End of Life)?\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content\" data-accordion-index=\"3\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p>Acontece. Para este projeto, um chip de energia espec\u00edfico chegou ao fim de vida (EOL). Como monitoramos as cadeias de suprimentos atrav\u00e9s de distribuidores autorizados (Digi-Key\/Mouser), identificamos isso precocemente e validamos uma alternativa compat\u00edvel em termos de pinagem em 48 horas.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn\" data-accordion-index=\"4\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\t5. O dispositivo \u00e9 \u00e0 prova d'\u00e1gua?\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content\" data-accordion-index=\"4\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p>Sim. Como n\u00e3o h\u00e1 tela, utilizamos moldagem de alta precis\u00e3o e LSR (Liquid Silicone Rubber) para vedar o inv\u00f3lucro. Isso geralmente \u00e9 mais dur\u00e1vel do que rel\u00f3gios com tela, pois h\u00e1 menos pontos de entrada.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d502d4d elementor-widget elementor-widget-shortcode\" data-id=\"d502d4d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t\t<link rel=\"stylesheet\" id=\"elementor-post-36259-css\" href=\"https:\/\/pcbcool.com\/wp-content\/uploads\/elementor\/css\/post-36259.css?ver=1783499901\" type=\"text\/css\" media=\"all\">\n\t\t\t\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"36259\" class=\"elementor elementor-36259\" data-elementor-post-type=\"cms_block\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-0bd0376 e-flex e-con-boxed e-con e-parent\" data-id=\"0bd0376\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-0c2ef25 e-con-full e-flex e-con e-child\" data-id=\"0c2ef25\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-55409b5 e-con-full e-flex e-con e-child\" data-id=\"55409b5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6020423 elementor-widget elementor-widget-image\" data-id=\"6020423\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"224\" height=\"224\" src=\"https:\/\/pcbcool.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/pcbcool.com\/wp-content\/uploads\/2026\/01\/Andy.jpg\" class=\"wd-lazy-fade attachment-full size-full wp-image-36265\" alt=\"Andy\" srcset=\"\" data-srcset=\"https:\/\/pcbcool.com\/wp-content\/uploads\/2026\/01\/Andy.jpg 224w, https:\/\/pcbcool.com\/wp-content\/uploads\/2026\/01\/Andy-150x150.jpg 150w\" sizes=\"auto, (max-width: 224px) 100vw, 224px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2f36583 e-con-full e-flex e-con e-child\" data-id=\"2f36583\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e12b0a2 wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"e12b0a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-default text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<div class=\"woodmart-title-container title wd-fontsize-l\">Andy | Especialista em Fabrica\u00e7\u00e3o e Montagem de PCBs<\/div> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9dc5f9a e-con-full e-flex e-con e-child\" data-id=\"9dc5f9a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9ecc86c color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"9ecc86c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Andy \u00e9 um profissional experiente na ind\u00fastria de placas de circuito impresso (PCBs), com d\u00e9cadas de experi\u00eancia em fabrica\u00e7\u00e3o, montagem e suporte ao cliente de PCBs. Na PCBCool, ele lidera a equipe de marketing e auxilia na transforma\u00e7\u00e3o de experi\u00eancias pr\u00e1ticas de projetos em conte\u00fado t\u00e9cnico \u00fatil para engenheiros, compradores e desenvolvedores de produtos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-80d28ef elementor-widget elementor-widget-html\" data-id=\"80d28ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"custom-btn-wrapper\">\r\n  <a href=\"https:\/\/pcbcool.com\/pt-br\/author\/andy\/\" class=\"custom-btn\">Leia Mais Artigos de Andy \u2192<\/a>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Explore um estudo de caso de um dispositivo vest\u00edvel ESP32 sem tela projetado para monitoramento remoto de pacientes, destacando solu\u00e7\u00f5es para baixo consumo de energia, design compacto e conectividade confi\u00e1vel.<\/p>","protected":false},"author":4,"featured_media":35737,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"slim_seo":{"title":"Estudo de Caso: Dispositivo Vest\u00edvel ESP32 Sem Tela para Monitoramento Remoto de Pacientes | PCBCool","description":"Explore um estudo de caso de um dispositivo vest\u00edvel ESP32 sem tela projetado para monitoramento remoto de pacientes, destacando solu\u00e7\u00f5es para baixo consumo de energia, design compacto e conectividade confi\u00e1vel."},"footnotes":""},"categories":[116],"tags":[120],"post_folder":[],"class_list":["post-35702","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-studies","tag-esp32"],"_links":{"self":[{"href":"https:\/\/pcbcool.com\/pt-br\/wp-json\/wp\/v2\/posts\/35702","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pcbcool.com\/pt-br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pcbcool.com\/pt-br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pcbcool.com\/pt-br\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/pcbcool.com\/pt-br\/wp-json\/wp\/v2\/comments?post=35702"}],"version-history":[{"count":0,"href":"https:\/\/pcbcool.com\/pt-br\/wp-json\/wp\/v2\/posts\/35702\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pcbcool.com\/pt-br\/wp-json\/wp\/v2\/media\/35737"}],"wp:attachment":[{"href":"https:\/\/pcbcool.com\/pt-br\/wp-json\/wp\/v2\/media?parent=35702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pcbcool.com\/pt-br\/wp-json\/wp\/v2\/categories?post=35702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pcbcool.com\/pt-br\/wp-json\/wp\/v2\/tags?post=35702"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/pcbcool.com\/pt-br\/wp-json\/wp\/v2\/post_folder?post=35702"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}