{"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\/sl\/blog\/news\/meshtastic-realizacziya-samodostatochnoj-mesh-seti-na-baze-peredatchikov-lora","title":{"rendered":"Meshtastic \u2014 implementacija samooskrbne mesh-mre\u017ee na osnovi LoRa prenosnikov","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Projekt Meshtastic razvija odprto komunikacijsko platformo za vzpostavitev samostojne decentralizirane mre\u017ee za prenos sporo\u010dil, kjer je vsaka to\u010dka povezava preko sosednjih to\u010dk, brez uporabe centraliziranih usmerjevalnikov. Za prenos signala se uporabljajo oddajniki in sprejemniki na osnovi protokola LoRa, ki omogo\u010dajo prenos podatkov v nelicenciranem frekven\u010dnem pasu s hitrostjo nekaj kilobit na sekundo na razdaljah do deset ali celo sto kilometrov (uporabniki Meshtastica so dosegli rekord 254 km). <\/p>\n

Projekt se lahko uporablja za organizacijo komunikacije v te\u017eko dostopnih obmo\u010djih, pri iskalnih akcijah ali \u0161portnih dejavnostih (na primer, v paraplaninstvu) v obmo\u010djih brez infrastrukture ali v pogojih slabe pokritosti s strani mobilnih operaterjev. Na dolo\u010denih mestih lahko udele\u017eenci postavijo avtonomne oddajnike in sprejemnike, ki retransmitirajo sporo\u010dila in se napajajo iz son\u010dnih baterij, udele\u017eenci pa lahko uporabljajo lokalne naprave LoRa za prenos signalov, ki so povezane s pametnimi telefoni prek protokola Bluetooth.

\"Meshtastic<\/center> <\/p>\n

Vsak udele\u017eenec v omre\u017eju lahko po\u0161ilja in si ogleduje besedilna sporo\u010dila ter koristi sredstva geolokacije na osnovi GPS za iskanje drugih udele\u017eencev. Zaradi zgradbe mesh-mre\u017ee se sporo\u010dila posredujejo v verigi, kar omogo\u010da, da vsak \u010dlan skupine prejme sporo\u010dila od najdalj\u0161ega \u010dlana, ne glede na mo\u017enost vzpostavitve neposrednega komunikacijskega kanala. Mo\u017eno je po\u0161iljanje tako \u0161ir\u0161ih kot naslovljenih sporo\u010dil, namenjenih dolo\u010denemu udele\u017eencu. Prenesena sporo\u010dila so \u0161ifrirana s pomo\u010djo vnaprej izbranih PSK klju\u010dev (pre-shared key) in algoritma AES256. <\/p>\n

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Koda programske opreme za sprejemnike in oddajnike je napisana v jezikih C\/C++ in se distribuira pod licenco GPLv3. Dodatno so na voljo mobilne aplikacije za delo z mesh omre\u017ejem prek pametnih telefonov na platformah Android in iOS, pa tudi spletni vmesnik in Python knji\u017enica za avtomatizacijo po\u0161iljanja in sprejemanja sporo\u010dil. Programske opreme so pripravljene za razli\u010dne plo\u0161\u010de na osnovi \u010dipov ESP32, nRF52 in RP2040, kot so RAK Meshtastic Start Kit (RAK4631 nRF52840, RAK11200 ESP32, RAK11310 RP2040), Station G1, LILYGO LoRa T3-S3, Nano G1, HELTEC LoRa V3 in Raspberry Pi Pico z modulom SX1262.

\"Meshtastic\"Meshtastic\"Meshtastic<\/center>
\n
Izvor: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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[…]<\/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\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Meshtastic \u2014 implementacija samostojne mesh omre\u017ene re\u0161itve na osnovi LoRa oddajnikov | ProHoster","description":"Projekt Meshtastic razvija odprto komunikacijsko platformo za gradnjo samostojne decentralizirane mre\u017ee za prenos sporo\u010dil, v kateri se vsaka to\u010dka omre\u017eja povezuje z sosednjimi to\u010dkami, 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