{"id":578,"date":"2026-06-11T13:15:42","date_gmt":"2026-06-11T05:15:42","guid":{"rendered":"https:\/\/projectleon.net\/make\/blog\/rfm95w-lora-868mhz-arduino-uav-telemetry-farsi\/"},"modified":"2026-06-11T13:15:43","modified_gmt":"2026-06-11T05:15:43","slug":"rfm95w-lora-868mhz-arduino-uav-telemetry-farsi","status":"publish","type":"post","link":"https:\/\/projectleon.net\/make\/blog\/rfm95w-lora-868mhz-arduino-uav-telemetry-farsi\/","title":{"rendered":"\u0645\u0627\u0698\u0648\u0644 RFM95W LoRa \u0628\u0627 \u0622\u0631\u062f\u0648\u06cc\u0646\u0648: \u0627\u0631\u0633\u0627\u0644 \u062a\u0644\u0647\u200c\u0645\u062a\u0631\u06cc UAV \u0631\u0648\u06cc 868MHz \u0627\u0631\u0648\u067e\u0627\u06cc\u06cc (\u0641\u0627\u0631\u0633\u06cc)"},"content":{"rendered":"
\nRFM95W SX1276 868MHz LoRa UAV \u062a\u0644\u0647\u200c\u0645\u062a\u0631\u06cc\n<\/div>\n
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RFM95W \u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc LoRa \u0686\u06cc\u0633\u062a\u061f (\u0645\u0628\u062a\u062f\u06cc)<\/h2>\n

\u0645\u0627\u0698\u0648\u0644 RFM95W<\/strong> \u0633\u0627\u062e\u062a HopeRF \u0628\u0631 \u067e\u0627\u06cc\u0647 \u0686\u06cc\u067e SX1276<\/strong> \u0627\u0632 Semtech \u0627\u0633\u062a \u2014 \u0647\u0645\u0627\u0646 \u0686\u06cc\u067e\u06cc \u06a9\u0647 \u062f\u0631 LoRaWAN \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0645\u0627\u0698\u0648\u0644 \u0631\u0648\u06cc \u0628\u0627\u0646\u062f 868MHz<\/strong> (\u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0627\u0631\u0648\u067e\u0627) \u06cc\u0627 \u06f9\u06f1\u06f5MHz (\u0622\u0645\u0631\u06cc\u06a9\u0627) \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0627\u0632 \u0637\u0631\u06cc\u0642 SPI \u0628\u0627 \u0622\u0631\u062f\u0648\u06cc\u0646\u0648 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0631\u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n

\u0633\u0647 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0627\u0635\u0644\u06cc LoRa \u06a9\u0647 \u0628\u0627\u06cc\u062f \u062f\u0631\u06a9 \u0634\u0648\u0646\u062f: SF<\/strong> (Spreading Factor\u060c 6-12) \u2014 \u0647\u0631\u0686\u0647 \u0628\u06cc\u0634\u062a\u0631 = \u0628\u0631\u062f \u0628\u06cc\u0634\u062a\u0631\u060c \u0633\u0631\u0639\u062a \u06a9\u0645\u062a\u0631\u061b BW<\/strong> (Bandwidth\u060c 7.8-500kHz) \u2014 \u0647\u0631\u0686\u0647 \u0628\u0627\u0631\u06cc\u06a9\u200c\u062a\u0631 = \u0628\u0631\u062f \u0628\u06cc\u0634\u062a\u0631\u060c \u0633\u0631\u0639\u062a \u06a9\u0645\u062a\u0631\u061b CR<\/strong> (Coding Rate\u060c 4\/5-4\/8) \u2014 \u062a\u0635\u062d\u06cc\u062d \u062e\u0637\u0627. \u0628\u0631\u0627\u06cc \u062a\u0644\u0647\u200c\u0645\u062a\u0631\u06cc UAV \u062f\u0631 \u0628\u0631\u062f \u06f5-\u06f1\u06f0km\u060c SF=10\u060c BW=125kHz\u060c CR=4\/8 \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<\/div>\n

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\u0645\u062d\u0635\u0648\u0644\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u0633\u0627\u0632\u06cc\u062f<\/h2>\n

\u0644\u06cc\u0646\u06a9 \u062a\u0644\u0647\u200c\u0645\u062a\u0631\u06cc \u0628\u0631\u0627\u06cc UAV \u0628\u0627 RFM95W 868MHz \u2014 \u0628\u0631\u062f \u062a\u0627 \u06f5km \u0628\u0627 SF10.<\/p>\n

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  • \u0647\u0632\u06cc\u0646\u0647:<\/strong> \u06f2 \u00d7 \u06f1\u06f0 \u062f\u0644\u0627\u0631 = \u06f2\u06f0 \u062f\u0644\u0627\u0631<\/li>\n
  • \u0628\u0631\u062f (SF10):<\/strong> \u06f3-\u06f5km<\/li>\n
  • \u0646\u0631\u062e \u062f\u0627\u062f\u0647:<\/strong> ~\u06f1kbps (\u06a9\u0627\u0641\u06cc \u0628\u0631\u0627\u06cc GPS+bat)<\/li>\n<\/ul>\n<\/div>\n

    \n\nUAV TX<\/text>\nArduino + RFM95W<\/text>\nGPS + \u0628\u0627\u0631\u0648\u0645\u062a\u0631<\/text>\nSF=10 BW=125k<\/text>\n\n868MHz<\/text>\n\u062a\u0627 \u06f5km<\/text>\n\nGCS RX<\/text>\nArduino + RFM95W<\/text>\n\u0646\u0645\u0627\u06cc\u0634 Serial<\/text>\nRFM95W 868MHz \u2014 SF10 \u2192 \u06f5km \u062a\u0644\u0647\u200c\u0645\u062a\u0631\u06cc UAV<\/text>\n<\/svg><\/p>\n

    \u062c\u062f\u0648\u0644 \u0645\u0642\u0627\u06cc\u0633\u0647 SF \u0628\u0631\u0627\u06cc \u0627\u0646\u062a\u062e\u0627\u0628<\/h2>\n\n\n\n\n\n\n\n\n
    SF<\/th>\n\u0633\u0631\u0639\u062a<\/th>\n\u0628\u0631\u062f \u062a\u0642\u0631\u06cc\u0628\u06cc<\/th>\n\u06a9\u0627\u0631\u0628\u0631\u062f<\/th>\n<\/tr>\n<\/thead>\n
    SF7<\/td>\n~5.5kbps<\/td>\n\u06f1-\u06f2km<\/td>\n\u06a9\u0646\u062a\u0631\u0644 \u0633\u0631\u06cc\u0639<\/td>\n<\/tr>\n
    SF9<\/td>\n~1.76kbps<\/td>\n\u06f3-\u06f4km<\/td>\n\u062a\u0644\u0647\u200c\u0645\u062a\u0631\u06cc \u0645\u0639\u0645\u0648\u0644<\/td>\n<\/tr>\n
    SF10<\/td>\n~980bps<\/td>\n\u06f4-\u06f6km \u2713<\/td>\n\u062a\u0644\u0647\u200c\u0645\u062a\u0631\u06cc UAV<\/td>\n<\/tr>\n
    SF12<\/td>\n~250bps<\/td>\n\u06f1\u06f0-\u06f1\u06f5km<\/td>\nGPS \u0631\u062f\u06cc\u0627\u0628 \u062f\u0648\u0631<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u06a9\u062f \u06a9\u0627\u0645\u0644 TX (UAV)<\/h2>\n
    \n#include <RH_RF95.h>\n#include <TinyGPS++.h>\n#include <SoftwareSerial.h>\n\nRH_RF95 rf95(10, 2);  \/\/ CS=10, INT=2\nSoftwareSerial gps(4,5);\nTinyGPSPlus gpsObj;\n\nvoid setup() {\n  rf95.init();\n  rf95.setFrequency(868.1);\n  rf95.setSpreadingFactor(10);\n  rf95.setSignalBandwidth(125000);\n  rf95.setCodingRate4(8);\n  rf95.setTxPower(20);  \/\/ \u062f\u0628\u200c\u0627\u0645\n  gps.begin(9600);\n}\n\nvoid loop() {\n  while(gps.available()) gpsObj.encode(gps.read());\n\n  char buf[80];\n  sprintf(buf, \"G,%.6f,%.6f,%.1f,%d,%.2f\",\n    gpsObj.location.lat(), gpsObj.location.lng(),\n    gpsObj.altitude.meters(),\n    gpsObj.satellites.value(),\n    analogRead(A0)*16.8\/1023.0  \/\/ \u0648\u0644\u062a\u0627\u0698 4S\n  );\n  rf95.send((uint8_t*)buf, strlen(buf));\n  rf95.waitPacketSent();\n  delay(2000);\n}\n<\/code><\/pre>\n
    \u06a9\u062f RX (GCS)<\/h2>\n
    \n#include <RH_RF95.h>\nRH_RF95 rf95(10, 2);\n\nvoid setup() {\n  Serial.begin(115200);\n  rf95.init();\n  rf95.setFrequency(868.1);\n  rf95.setSpreadingFactor(10);\n  rf95.setSignalBandwidth(125000);\n  rf95.setCodingRate4(8);\n}\n\nvoid loop() {\n  if(rf95.available()) {\n    uint8_t buf[80]; uint8_t len=sizeof(buf);\n    if(rf95.recv(buf, &len)) {\n      buf[len]=0;\n      Serial.print((char*)buf);\n      Serial.print(\" RSSI=\"); Serial.println(rf95.lastRssi());\n    }\n  }\n}\n<\/code><\/pre>\n
    \n\n\n\n\n\n\n\nGPS+\u0628\u0627\u0631\u0648\u0645\u062a\u0631<\/text>\nUAV<\/text>\nRFM95W SF10<\/text>\n868MHz 20dBm<\/text>\nRFM95W GCS<\/text>\nRSSI \u0646\u0645\u0627\u06cc\u0634<\/text>\nSerial Monitor<\/text>\nGPS+Bat<\/text>\nRFM95W \u2014 SF10 868MHz \u2192 \u06f5km \u2192 \u062a\u0644\u0647\u200c\u0645\u062a\u0631\u06cc UAV<\/text>\n<\/svg><\/p>\n
    \u0648\u06cc\u062f\u0626\u0648\u0647\u0627\u06cc \u0622\u0645\u0648\u0632\u0634\u06cc<\/h2>\n
    \n