├── LoRa_Receiver.ino
├── LoRa_Transmitter.ino
└── README.md


/LoRa_Receiver.ino:
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 1 | #include <SoftwareSerial.h>
 2 | 
 3 | #define LED 13
 4 | 
 5 | String incomingString;
 6 | 
 7 | SoftwareSerial lora(2,3);
 8 | 
 9 | void setup()
10 | {
11 |   pinMode(LED, OUTPUT);
12 |   Serial.begin(9600);
13 |   lora.begin(9600);
14 |   lora.setTimeout(500);
15 | }
16 | 
17 | void loop()
18 | {
19 |   if (lora.available()) {
20 | 
21 |     incomingString = lora.readString();
22 |     Serial.println(incomingString);
23 | 
24 |     char dataArray[30]; 
25 |     incomingString.toCharArray(dataArray,30);
26 |     char* data = strtok(dataArray, ",");
27 |     data = strtok(NULL, ",");
28 |     data = strtok(NULL, ",");
29 |     Serial.println(data);
30 |     
31 |     if (strcmp(data,"HI") == 0) {
32 |       digitalWrite(LED, LOW);
33 |       delay(50);
34 |     }
35 | 
36 |     if (strcmp(data,"LO") == 0) {
37 |       digitalWrite(LED, HIGH);
38 |       delay(50);
39 |     }
40 |   }
41 | }
42 | 


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/LoRa_Transmitter.ino:
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 1 | #include <SoftwareSerial.h>
 2 | 
 3 | #define button 5
 4 | 
 5 | SoftwareSerial lora(2, 3);
 6 | 
 7 | String lora_RX_address = "1";   //enter Lora RX address
 8 | 
 9 | void setup()
10 | {
11 |   pinMode(button, INPUT_PULLUP);
12 |   Serial.begin(9600);
13 |   lora.begin(9600);
14 | }
15 | 
16 | void loop()
17 | {
18 |   if (digitalRead(button) == LOW) {
19 |     lora.println("AT+SEND=" + lora_RX_address + ",2,LO"); // AT+SEND=1,2,LO
20 |     delay(1000);
21 |   } 
22 |   else {
23 |     lora.println("AT+SEND=" + lora_RX_address + ",2,HI"); // AT+SEND=1,2,HI
24 |     delay(1000);
25 |   }
26 | }
27 | 


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/README.md:
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1 | # LoRa RYLR998 Arduino Project
2 | LoRa Project using RYLR998 Module and Arudino Uno. Transmit and receive data over long range Lora Protocol  
3 | 


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