LoRa_Sender_BME280.ino

//Libraries for LoRa
#include <SPI.h>
#include <LoRa.h>

//Libraries for BME280
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>

//Define the pins used by the transceiver module
#define ss 5
#define rst 14
#define dio0 2

int delayTime = 10000;

//packet counter
int readingID = 0;

String LoRaMessage = "";

//Initialize Sensor Parameters
float Temperature = 0;
float Pressure = 0;
float Humidity = 0;
float Altitude = 0;

#define SEALEVELPRESSURE_HPA (1013.25)

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

Adafruit_BME280 bme;
#define SEALEVELPRESSURE_HPA (1013.25)

void setup() { 
  
  Serial.begin(115200);
  while (!Serial);
  Serial.println("LoRa Receiver");
  
  //setup LoRa transceiver module
  LoRa.setPins(ss, rst, dio0);

  //replace the LoRa.begin(---E-) argument with your location's frequency 
  //note: the frequency should match the sender's frequency
  //433E6 for Asia
  //866E6 for Europe
  //915E6 for North America
  if (!LoRa.begin(866E6)) {
    Serial.println("Starting LoRa failed!");
    while (1);
  }
  Serial.println("LoRa Initializing OK!");

  //BME280 setup
  bool status = bme.begin(0x76);  
  if (!status) {
    Serial.println("Could not find a valid BME280 sensor, check wiring!");
    while (1);
  }
  
}  //End void setup


void getValues() {
  Temperature = bme.readTemperature();
  Pressure = bme.readPressure()/100.0F;
  Altitude = bme.readAltitude(SEALEVELPRESSURE_HPA);
  Humidity = bme.readHumidity();
}

void sendValues() {
  //try to parse packet
  LoRaMessage = String(readingID) + "/" + String(Temperature) + "&" + String(Humidity) + "#" + String(Pressure) + "%" + String(Altitude);
  //Send LoRa packet to Receiver
  LoRa.beginPacket();
  LoRa.print(LoRaMessage);
  LoRa.endPacket();

  Serial.print("Sending packet:  ");
  Serial.println(readingID);
  Serial.println(Temperature);
  Serial.println(Humidity);
  Serial.println(Pressure);
  Serial.println(LoRaMessage);
  readingID++;
}
 
void loop() {
    getValues();
    sendValues();
    delay(delayTime);
}