How To Use Lora With Arduino

Basic Interface Of Lora With Arduino

Jun 13, 2021

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7 respects

environmental sensing

Devices & Components

16x2 LCD display with I²C interface

Arduino Nano

Dot Pcb

5 mm LED: Green

5 mm LED: Red

Breadboard (generic)

LORA RFM95

Jumper wires (generic)

Hardware & Tools

PCB Holder, Soldering Iron

Solder Wire, Lead Free

Soldering iron (generic)

Software & Tools

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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