How To Use Lora With Arduino

Basic Interface Of Lora With Arduino

Jun 13, 2021

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environmental sensing

Components and supplies

Dot Pcb

5 mm LED: Green

I2C 16x2 Arduino LCD Display Module

5 mm LED: Red

Breadboard (generic)

LORA RFM95

Jumper wires (generic)

Arduino Nano R3

Tools and machines

PCB Holder, Soldering Iron

Solder Wire, Lead Free

Soldering iron (generic)

Apps and platforms

Arduino IDE

Project description

Code

Reciever Code For Lora

c_cpp

Reciever Code For Lora Module

1/*feel free to contact
2 * sreeramaj53@gmail.com
3 * www.youtube.com/ZenoModiff
4   * last updated - time 07:43 PM - date 27 may 2021
5 Github Link :-- https://github.com/Zenomodiff/RFM95-LoRa-Module-Interfacing
6   */
7
8#include <Wire.h> 
9#include <SPI.h>
10#include <LoRa.h>
11#include   <LiquidCrystal_I2C.h>
12
13LiquidCrystal_I2C lcd(0x27, 16, 2);
14
15void setup()   {
16  Serial.begin(9600);
17  while (!Serial);
18
19  lcd.begin();
20  lcd.setCursor(0,0);
21   lcd.print("LoRa Receiver");
22  delay(2500);
23  lcd.clear();
24
25  Serial.println("LoRa   Receiver");
26
27  if (!LoRa.begin(915E6)) {
28  Serial.println("Starting LoRa   failed!");
29  lcd.setCursor(0,0);
30  lcd.print("LoRa Receiver");
31    while   (1);
32  }
33}
34
35void loop() {
36lcd.clear();
37  int packetSize = LoRa.parsePacket();
38   if (packetSize) {
39
40    Serial.print("Received packet '");
41
42    while   (LoRa.available()) {
43      Serial.print((char)LoRa.read());
44    }
45    
46     lcd.print(packet);
47
48    Serial.print("' with RSSI ");
49    Serial.println(LoRa.packetRssi());
50     delay(2000);
51  }
52}

/*feel free to contact
 * sreeramaj53@gmail.com
 * www.youtube.com/ZenoModiff
   * last updated - time 07:43 PM - date 27 may 2021
 Github Link :-- https://github.com/Zenomodiff/RFM95-LoRa-Module-Interfacing
   */

#include <Wire.h> 
#include <SPI.h>
#include <LoRa.h>
#include   <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup()   {
  Serial.begin(9600);
  while (!Serial);

  lcd.begin();
  lcd.setCursor(0,0);
   lcd.print("LoRa Receiver");
  delay(2500);
  lcd.clear();

  Serial.println("LoRa   Receiver");

  if (!LoRa.begin(915E6)) {
  Serial.println("Starting LoRa   failed!");
  lcd.setCursor(0,0);
  lcd.print("LoRa Receiver");
    while   (1);
  }
}

void loop() {
lcd.clear();
  int packetSize = LoRa.parsePacket();
   if (packetSize) {

    Serial.print("Received packet '");

    while   (LoRa.available()) {
      Serial.print((char)LoRa.read());
    }
    
     lcd.print(packet);

    Serial.print("' with RSSI ");
    Serial.println(LoRa.packetRssi());
     delay(2000);
  }
}

Lora Sender Code

c_cpp

Lora Sender Code

1/*feel free to contact
2 * sreeramaj53@gmail.com
3 * www.youtube.com/ZenoModiff
4   * last updated - time 07:45 PM - date 27 may 2021
5 Github Link :-- https://github.com/Zenomodiff/RFM95-LoRa-Module-Interfacing
6   */
7
8#include <SPI.h>
9#include <LoRa.h>
10
11int counter = 0;
12int Senderled   = 5;
13int Errorled = 6;
14
15
16void setup() {
17  Serial.begin(9600);
18   while (!Serial);
19
20  Serial.println("LoRa Sender");
21  pinMode(Senderled,   OUTPUT);
22  pinMode(Errorled, OUTPUT);
23  digitalWrite(Senderled, LOW);
24   digitalWrite(Errorled, LOW);
25
26  if (!LoRa.begin(915E6)) {
27    Serial.println("Starting   LoRa failed!");
28    digitalWrite(Errorled, HIGH);
29    delay(2000);
30    while   (1);
31  }
32}
33
34void loop() {
35  digitalWrite(Senderled, LOW);
36  digitalWrite(Errorled,   LOW);
37  
38  Serial.print("Sending packet: ");
39  Serial.println(counter);
40
41   LoRa.beginPacket();
42  LoRa.print("Hello From LoRA");
43  digitalWrite(Senderled,   HIGH);
44  delay(500);
45  digitalWrite(Senderled, LOW);
46   
47  LoRa.print(counter);
48   LoRa.endPacket();
49
50  counter++;
51
52  delay(2000);
53}

/*feel free to contact
 * sreeramaj53@gmail.com
 * www.youtube.com/ZenoModiff
   * last updated - time 07:45 PM - date 27 may 2021
 Github Link :-- https://github.com/Zenomodiff/RFM95-LoRa-Module-Interfacing
   */

#include <SPI.h>
#include <LoRa.h>

int counter = 0;
int Senderled   = 5;
int Errorled = 6;


void setup() {
  Serial.begin(9600);
   while (!Serial);

  Serial.println("LoRa Sender");
  pinMode(Senderled,   OUTPUT);
  pinMode(Errorled, OUTPUT);
  digitalWrite(Senderled, LOW);
   digitalWrite(Errorled, LOW);

  if (!LoRa.begin(915E6)) {
    Serial.println("Starting   LoRa failed!");
    digitalWrite(Errorled, HIGH);
    delay(2000);
    while   (1);
  }
}

void loop() {
  digitalWrite(Senderled, LOW);
  digitalWrite(Errorled,   LOW);
  
  Serial.print("Sending packet: ");
  Serial.println(counter);

   LoRa.beginPacket();
  LoRa.print("Hello From LoRA");
  digitalWrite(Senderled,   HIGH);
  delay(500);
  digitalWrite(Senderled, LOW);
   
  LoRa.print(counter);
   LoRa.endPacket();

  counter++;

  delay(2000);
}

Lora Sender Code

c_cpp

Lora Sender Code

1/*feel free to contact
2 * sreeramaj53@gmail.com
3 * www.youtube.com/ZenoModiff
4  * last updated - time 07:45 PM - date 27 may 2021
5 Github Link :-- https://github.com/Zenomodiff/RFM95-LoRa-Module-Interfacing
6  */
7
8#include <SPI.h>
9#include <LoRa.h>
10
11int counter = 0;
12int Senderled  = 5;
13int Errorled = 6;
14
15
16void setup() {
17  Serial.begin(9600);
18  while (!Serial);
19
20  Serial.println("LoRa Sender");
21  pinMode(Senderled,  OUTPUT);
22  pinMode(Errorled, OUTPUT);
23  digitalWrite(Senderled, LOW);
24  digitalWrite(Errorled, LOW);
25
26  if (!LoRa.begin(915E6)) {
27    Serial.println("Starting  LoRa failed!");
28    digitalWrite(Errorled, HIGH);
29    delay(2000);
30    while  (1);
31  }
32}
33
34void loop() {
35  digitalWrite(Senderled, LOW);
36  digitalWrite(Errorled,  LOW);
37  
38  Serial.print("Sending packet: ");
39  Serial.println(counter);
40
41  LoRa.beginPacket();
42  LoRa.print("Hello From LoRA");
43  digitalWrite(Senderled,  HIGH);
44  delay(500);
45  digitalWrite(Senderled, LOW);
46   
47  LoRa.print(counter);
48  LoRa.endPacket();
49
50  counter++;
51
52  delay(2000);
53}

/*feel free to contact
 * sreeramaj53@gmail.com
 * www.youtube.com/ZenoModiff
  * last updated - time 07:45 PM - date 27 may 2021
 Github Link :-- https://github.com/Zenomodiff/RFM95-LoRa-Module-Interfacing
  */

#include <SPI.h>
#include <LoRa.h>

int counter = 0;
int Senderled  = 5;
int Errorled = 6;


void setup() {
  Serial.begin(9600);
  while (!Serial);

  Serial.println("LoRa Sender");
  pinMode(Senderled,  OUTPUT);
  pinMode(Errorled, OUTPUT);
  digitalWrite(Senderled, LOW);
  digitalWrite(Errorled, LOW);

  if (!LoRa.begin(915E6)) {
    Serial.println("Starting  LoRa failed!");
    digitalWrite(Errorled, HIGH);
    delay(2000);
    while  (1);
  }
}

void loop() {
  digitalWrite(Senderled, LOW);
  digitalWrite(Errorled,  LOW);
  
  Serial.print("Sending packet: ");
  Serial.println(counter);

  LoRa.beginPacket();
  LoRa.print("Hello From LoRA");
  digitalWrite(Senderled,  HIGH);
  delay(500);
  digitalWrite(Senderled, LOW);
   
  LoRa.print(counter);
  LoRa.endPacket();

  counter++;

  delay(2000);
}

Reciever Code For Lora

c_cpp

Reciever Code For Lora Module

1/*feel free to contact
2 * sreeramaj53@gmail.com
3 * www.youtube.com/ZenoModiff
4  * last updated - time 07:43 PM - date 27 may 2021
5 Github Link :-- https://github.com/Zenomodiff/RFM95-LoRa-Module-Interfacing
6  */
7
8#include <Wire.h> 
9#include <SPI.h>
10#include <LoRa.h>
11#include  <LiquidCrystal_I2C.h>
12
13LiquidCrystal_I2C lcd(0x27, 16, 2);
14
15void setup()  {
16  Serial.begin(9600);
17  while (!Serial);
18
19  lcd.begin();
20  lcd.setCursor(0,0);
21  lcd.print("LoRa Receiver");
22  delay(2500);
23  lcd.clear();
24
25  Serial.println("LoRa  Receiver");
26
27  if (!LoRa.begin(915E6)) {
28  Serial.println("Starting LoRa  failed!");
29  lcd.setCursor(0,0);
30  lcd.print("LoRa Receiver");
31    while  (1);
32  }
33}
34
35void loop() {
36lcd.clear();
37  int packetSize = LoRa.parsePacket();
38  if (packetSize) {
39
40    Serial.print("Received packet '");
41
42    while  (LoRa.available()) {
43      Serial.print((char)LoRa.read());
44    }
45    
46    lcd.print(packet);
47
48    Serial.print("' with RSSI ");
49    Serial.println(LoRa.packetRssi());
50    delay(2000);
51  }
52}

/*feel free to contact
 * sreeramaj53@gmail.com
 * www.youtube.com/ZenoModiff
  * last updated - time 07:43 PM - date 27 may 2021
 Github Link :-- https://github.com/Zenomodiff/RFM95-LoRa-Module-Interfacing
  */

#include <Wire.h> 
#include <SPI.h>
#include <LoRa.h>
#include  <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup()  {
  Serial.begin(9600);
  while (!Serial);

  lcd.begin();
  lcd.setCursor(0,0);
  lcd.print("LoRa Receiver");
  delay(2500);
  lcd.clear();

  Serial.println("LoRa  Receiver");

  if (!LoRa.begin(915E6)) {
  Serial.println("Starting LoRa  failed!");
  lcd.setCursor(0,0);
  lcd.print("LoRa Receiver");
    while  (1);
  }
}

void loop() {
lcd.clear();
  int packetSize = LoRa.parsePacket();
  if (packetSize) {

    Serial.print("Received packet '");

    while  (LoRa.available()) {
      Serial.print((char)LoRa.read());
    }
    
    lcd.print(packet);

    Serial.print("' with RSSI ");
    Serial.println(LoRa.packetRssi());
    delay(2000);
  }
}

Downloadable files

Schematics

Lora Sender

Schematics

Lora Reciever

Schematics

Lora Sender

Schematics

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