{"id":112830,"date":"2024-01-11T21:10:13","date_gmt":"2024-01-11T19:10:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/meshtastic-realizacziya-samodostatochnoj-mesh-seti-na-baze-peredatchikov-lora"},"modified":"2024-01-11T21:10:13","modified_gmt":"2024-01-11T19:10:16","slug":"meshtastic-realizacziya-samodostatochnoj-mesh-seti-na-baze-peredatchikov-lora","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/meshtastic-realizacziya-samodostatochnoj-mesh-seti-na-baze-peredatchikov-lora","title":{"rendered":"Meshtastic \u2014 implementaci\u00f3n de una red mesh autosuficiente basada en transmisores LoRa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>El proyecto Meshtastic desarrolla una plataforma de comunicaci\u00f3n abierta para crear una red de mensajer\u00eda descentralizada autosuficiente, donde cada punto de la red se conecta a trav\u00e9s de puntos vecinos, sin utilizar enrutadores centralizados. Se emplean transceptores basados en el protocolo LoRa para transmitir se\u00f1ales, permitiendo enviar datos en el espectro de frecuencias no licenciadas a velocidades de unos pocos kilobits por segundo, a distancias que van desde decenas hasta cientos de kil\u00f3metros (los usuarios de Meshtastic han establecido un r\u00e9cord de 254 km).     <\/p>\n<p>El proyecto puede ser utilizado para establecer comunicaci\u00f3n en \u00e1reas de dif\u00edcil acceso, durante operaciones de b\u00fasqueda o realizando deportes (como el parapente) en regiones sin infraestructura o en condiciones de mala cobertura por parte de las operadoras m\u00f3viles. En ciertos lugares, los participantes pueden colocar transceptores aut\u00f3nomos que retransmiten mensajes y que son alimentados por energ\u00eda solar, mientras que los propios participantes pueden contar con dispositivos LoRa locales que transmiten se\u00f1ales y son controlados a trav\u00e9s de la conexi\u00f3n a smartphones mediante el protocolo Bluetooth.     <center><img decoding=\"async\" alt=\"Meshtastic - implementaci\u00f3n de una red mesh autosuficiente basada en transceptores LoRa\" src=\"\/wp-content\/uploads\/2024\/01\/dfb035f06df40effb366f82a4571ee63.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Cada participante de la red puede enviar y visualizar mensajes de texto, as\u00ed como utilizar herramientas de geolocalizaci\u00f3n basadas en GPS para encontrar a otros participantes. Gracias a la construcci\u00f3n de una red en malla, los mensajes se reenv\u00edan en cadena, lo que permite a cada integrante del grupo recibir mensajes del participante m\u00e1s distante, independientemente de la posibilidad de establecer un canal de comunicaci\u00f3n directo con \u00e9l. Es posible enviar tanto mensajes de difusi\u00f3n como mensajes dirigidos a un participante espec\u00edfico. Los mensajes transmitidos se cifran utilizando claves PSK (clave precompartida) seleccionadas previamente y el algoritmo AES256.     <\/p>\n<p>El protocolo de transmisi\u00f3n es bastante simple: cada paquete se env\u00eda en modo de difusi\u00f3n, y luego se analiza el aire en busca de la confirmaci\u00f3n de recepci\u00f3n por parte de uno de los participantes. Si no se recibe confirmaci\u00f3n, se realizan tres intentos de env\u00edo m\u00e1s despu\u00e9s de un cierto tiempo de espera. Al recibir un paquete, se verifica si ese paquete hab\u00eda llegado en el pasado; de ser as\u00ed, se ignora, y si no, se retransmite a otros participantes. Con cada transmisi\u00f3n, se reduce el contador de saltos en el paquete, y al alcanzar cero, se detiene la retransmisi\u00f3n del paquete.        <\/p>\n<p>El c\u00f3digo del firmware para los transceptores est\u00e1 escrito en lenguajes C\/C++ y se distribuye bajo la licencia GPLv3. Adem\u00e1s, se ofrecen aplicaciones m\u00f3viles para trabajar con la red mesh desde smartphones en plataformas Android e iOS, as\u00ed como una interfaz web y una biblioteca de Python para la automatizaci\u00f3n del env\u00edo y recepci\u00f3n de mensajes. Los firmwares est\u00e1n preparados para diferentes placas basadas en los chips ESP32, nRF52 y RP2040, como el RAK Meshtastic Start Kit (RAK4631 nRF52840, RAK11200 ESP32, RAK11310 RP2040), Station G1, LILYGO LoRa T3-S3, Nano G1, HELTEC LoRa V3 y Raspberry Pi Pico con m\u00f3dulo SX1262.    <center><img decoding=\"async\" alt=\"Meshtastic - implementaci\u00f3n de una red mesh autosuficiente basada en transceptores LoRa\" src=\"\/wp-content\/uploads\/2024\/01\/1aebc7f511a7d4ffc45f5179c2fe250d.jpg\" style=\"display:block;margin: 0 auto;\" \/><img decoding=\"async\" alt=\"Meshtastic - implementaci\u00f3n de una red mesh autosuficiente basada en transceptores LoRa\" src=\"\/wp-content\/uploads\/2024\/01\/d3f6a842f462789ebe8eae75e6d2ae18.jpg\" style=\"display:block;margin: 0 auto;\" \/><img decoding=\"async\" alt=\"Meshtastic - implementaci\u00f3n de una red mesh autosuficiente basada en transceptores LoRa\" src=\"\/wp-content\/uploads\/2024\/01\/747fb5410637d5df0b9776269fc0b725.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60423\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0435\u043a\u0442 Meshtastic \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 \u043e\u0442\u043a\u0440\u044b\u0442\u0443\u044e \u043a\u043e\u043c\u043c\u0443\u043d\u0438\u043a\u0430\u0446\u0438\u043e\u043d\u043d\u0443\u044e \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443 \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0441\u0430\u043c\u043e\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e\u0439 \u0434\u0435\u0446\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0441\u0435\u0442\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043a\u0430\u0436\u0434\u0430\u044f \u0442\u043e\u0447\u043a\u0430 \u0441\u0435\u0442\u0438 \u0441\u0432\u044f\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u0441\u043e\u0441\u0435\u0434\u043d\u0438\u0435 \u0442\u043e\u0447\u043a\u0438, \u0431\u0435\u0437 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432. \u0414\u043b\u044f \u0442\u0440\u0430\u043d\u0441\u043b\u044f\u0446\u0438\u0438 \u0441\u0438\u0433\u043d\u0430\u043b\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u043f\u0440\u0438\u0451\u043c\u043e\u043f\u0435\u0440\u0435\u0434\u0430\u0442\u0447\u0438\u043a\u0438 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 LoRa, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 \u043d\u0435\u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0440\u0443\u0435\u043c\u043e\u043c \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0435 \u0447\u0430\u0441\u0442\u043e\u0442 \u0441\u043e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c\u044e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043a\u0438\u043b\u043e\u0431\u0438\u0442 \u0432 \u0441\u0435\u043a\u0443\u043d\u0434\u0443 \u043d\u0430 \u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u0432 \u0434\u0435\u0441\u044f\u0442\u043a\u0438 \u0438\u043b\u0438 \u0434\u0430\u0436\u0435 \u0441\u043e\u0442\u043d\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":112831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-112830","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u043e\u0435\u043a\u0442 Meshtastic \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 \u043e\u0442\u043a\u0440\u044b\u0442\u0443\u044e \u043a\u043e\u043c\u043c\u0443\u043d\u0438\u043a\u0430\u0446\u0438\u043e\u043d\u043d\u0443\u044e \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443 \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f 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