{"id":2297,"date":"2025-01-06T08:00:00","date_gmt":"2025-01-06T11:00:00","guid":{"rendered":"https:\/\/pedrobertoleti.com.br\/?p=2297"},"modified":"2025-01-04T19:32:18","modified_gmt":"2025-01-04T22:32:18","slug":"desenvolva-seu-proprio-rastreador-com-lorawan-e-zephyr-rtos","status":"publish","type":"post","link":"https:\/\/pedrobertoleti.com.br\/index.php\/2025\/01\/06\/desenvolva-seu-proprio-rastreador-com-lorawan-e-zephyr-rtos\/","title":{"rendered":"Desenvolva seu pr\u00f3prio rastreador com LoRaWAN e Zephyr RTOS"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Introdu\u00e7\u00e3o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A conectividade LoRaWAN \u00e9 uma das conectividades mais adequadas para solu\u00e7\u00f5es em Internet das Coisas e Smart Cities, pois alia longo alcance (na ordem de alguns quil\u00f4metros entre dispositivo e gateway LoRaWAN) e baixo consumo energ\u00e9tico.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para mostrar um dos usos de LoRaWAN nestes contextos, trago aqui um projeto open-source, de minha autoria, de um rastreador munido de conectividade LoRaWAN e, ainda, feito utilizando Zephyr RTOS como sistema operacional embarcado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Funcionalidades<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O projeto conta com as seguintes funcionalidades:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Captura das coordenadas (latitude e longitude) de um m\u00f3dulo GPS\/GNSS via UART. Qualquer m\u00f3dulo GPS do mercado que disponibilize mensagens do tipo NMEA \u00e9 compat\u00edvel com este projeto.<\/li>\n\n\n\n<li>Transmiss\u00e3o de mensagens LoRaWAN (no modo de ativa\u00e7\u00e3o ABP) atrav\u00e9s do m\u00f3dulo Smart Modular LoRaWAN (SMART Modular Technologies).<\/li>\n\n\n\n<li>Monitoramento do status da igni\u00e7\u00e3o (ligada\/desligada) e tempo acumulado com igni\u00e7\u00e3o ligada (em milissegundos).<\/li>\n\n\n\n<li>Valida\u00e7\u00e3o das coordenadas obtidas por meio da leitura do fix do GNSS.<\/li>\n\n\n\n<li>Integra\u00e7\u00e3o com o subsistema de logging do Zephyr RTOS para gerenciar todas as mensagens de log.<\/li>\n\n\n\n<li>Envio peri\u00f3dico de mensagens LoRaWAN contendo: latitude (4 bytes em ponto flutuante), longitude (4 bytes em ponto flutuante) e um byte de status. Nesse byte, o bit 0 indica o status da igni\u00e7\u00e3o e o bit 1 o status do GNSS fix.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Uma foto do projeto desenvolvido pode ser vista na figura 1.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/pedrobertoleti.com.br\/wp-content\/uploads\/2025\/01\/rastreador_zephyr_rtos_lorawan-1024x768.jpg\" alt=\"\" class=\"wp-image-2299\" style=\"width:637px;height:auto\" srcset=\"https:\/\/pedrobertoleti.com.br\/wp-content\/uploads\/2025\/01\/rastreador_zephyr_rtos_lorawan-1024x768.jpg 1024w, https:\/\/pedrobertoleti.com.br\/wp-content\/uploads\/2025\/01\/rastreador_zephyr_rtos_lorawan-300x225.jpg 300w, https:\/\/pedrobertoleti.com.br\/wp-content\/uploads\/2025\/01\/rastreador_zephyr_rtos_lorawan-768x576.jpg 768w, https:\/\/pedrobertoleti.com.br\/wp-content\/uploads\/2025\/01\/rastreador_zephyr_rtos_lorawan-1536x1152.jpg 1536w, https:\/\/pedrobertoleti.com.br\/wp-content\/uploads\/2025\/01\/rastreador_zephyr_rtos_lorawan-2048x1536.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Figura 1 &#8211; foto do projeto<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Com este projeto como base, voc\u00ea pode criar solu\u00e7\u00f5es realmente interessantes para rastreamento e telemetria.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Observa\u00e7\u00f5es importantes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Antes de enviar com sucesso qualquer mensagem LoRaWAN para a nuvem, voc\u00ea precisa definir as credenciais LoRaWAN. Como este projeto usa LoRaWAN no modo de ativa\u00e7\u00e3o ABP, as seguintes credenciais devem ser obrigatoriamente definidas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Device address: <\/strong>defina isso em CONFIG_LORAWAN_UART_SMARTMODULAR_DEVADDR<\/li>\n\n\n\n<li><strong>Application Session Key: <\/strong>defina isso em CONFIG_LORAWAN_UART_SMARTMODULAR_APPSKEY <\/li>\n\n\n\n<li><strong>Network Session Key:<\/strong> defina isso em CONFIG_LORAWAN_UART_SMARTMODULAR_NWKSKEY<\/li>\n\n\n\n<li><strong>Application EUI:<\/strong> defina isso em CONFIG_LORAWAN_UART_SMARTMODULAR_APPEUI<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00f3digo-fonte do projeto<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O projeto \u00e9 open-source, distribu\u00eddo sob licen\u00e7a <a href=\"https:\/\/choosealicense.com\/licenses\/mit\/\" target=\"_blank\" rel=\"noreferrer noopener\">MIT<\/a>. Este pode ser acessado na \u00edntegra em: <a href=\"https:\/\/github.com\/phfbertoleti\/gnss_lorawan_tracker\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/github.com\/phfbertoleti\/gnss_lorawan_tracker<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Indica\u00e7\u00f5es de hardware para este projeto<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Segue abaixo uma lista de links para locais onde voc\u00ea pode adquirir os componentes de hardware utilizados neste projeto:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/amzn.to\/3Pnl9TX\" target=\"_blank\" rel=\"noreferrer noopener\">ESP32 Devkit V1<\/a>, com cabo USB para alimenta\u00e7\u00e3o e programa\u00e7\u00e3o<\/li>\n\n\n\n<li><a href=\"https:\/\/www.robocore.net\/shields-arduino\/shield-para-arduino-lorawan-helix-antenna\" target=\"_blank\" rel=\"noreferrer noopener\">Shield para Arduino &#8211; LoRaWAN Helix Antenna<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/amzn.to\/40iAoE2\" target=\"_blank\" rel=\"noreferrer noopener\">M\u00f3dulo GPS Ublox GY-GPS6MV2<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/amzn.to\/4a1Oehj\" target=\"_blank\" rel=\"noreferrer noopener\">Jumpers diversos<\/a>]<\/li>\n\n\n\n<li><a href=\"https:\/\/amzn.to\/3DEYJuF\" target=\"_blank\" rel=\"noreferrer noopener\">Protoboard 830 pontos<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/amzn.to\/403rau3\" target=\"_blank\" rel=\"noreferrer noopener\">Interruptor Chave Liga Desliga Gangorra<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Leia mais<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/pedrobertoleti.com.br\/index.php\/2020\/02\/09\/principais-conceitos-de-rtos-para-iniciantes-com-arduino-e-freertos-embarcados\/\">Principais conceitos de RTOS para iniciantes com Arduino e FreeRTOS \u2013 Embarcados<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/pedrobertoleti.com.br\/index.php\/2024\/12\/30\/dores-de-cabeca-evitaveis-com-zephyr-rtos\/\">Dores de cabe\u00e7a evit\u00e1veis com Zephyr RTOS<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/pedrobertoleti.com.br\/index.php\/2019\/07\/15\/livro-projetos-com-esp32-e-lora-pedro-bertoleti\/\">Livro: Projetos com ESP32 e LoRa (Pedro Bertoleti)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/pedrobertoleti.com.br\/index.php\/2020\/04\/29\/faca-seu-rastreador-veicular-com-esp32-gps-e-freertos-blog-filipeflop\/\">Fa\u00e7a seu rastreador veicular com ESP32, GPS e FreeRTOS \u2013 blog FilipeFlop<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introdu\u00e7\u00e3o A conectividade LoRaWAN \u00e9 uma das conectividades mais adequadas para solu\u00e7\u00f5es em Internet das Coisas e Smart Cities, pois alia longo alcance (na ordem de alguns quil\u00f4metros entre dispositivo e gateway LoRaWAN) e baixo consumo energ\u00e9tico. Para mostrar um dos usos de LoRaWAN nestes contextos, trago aqui um projeto open-source, de minha autoria, de&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2299,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9,10,11,13,5],"tags":[],"class_list":["post-2297","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-nivel-iniciante","category-nivel-intermediario","category-publicacoes","category-artigos-nacionais"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Desenvolva seu pr\u00f3prio rastreador com LoRaWAN e Zephyr RTOS -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pedrobertoleti.com.br\/index.php\/2025\/01\/06\/desenvolva-seu-proprio-rastreador-com-lorawan-e-zephyr-rtos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Desenvolva seu pr\u00f3prio rastreador com LoRaWAN e Zephyr RTOS -\" \/>\n<meta property=\"og:description\" content=\"Introdu\u00e7\u00e3o A conectividade LoRaWAN \u00e9 uma das conectividades mais adequadas para solu\u00e7\u00f5es em Internet das Coisas e Smart Cities, pois alia longo alcance (na ordem de alguns quil\u00f4metros entre dispositivo e gateway LoRaWAN) e baixo consumo energ\u00e9tico. 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