BME280 Temperature and Humidity Sensor

#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>

/* Uncomment these lines if using SPI interface
#include <SPI.h>
#define SPI_CLK 18
#define SPI_MISO 19
#define SPI_MOSI 23
#define SPI_CS 5
*/

#define SEA_LEVEL_PRESSURE (1013.25) // Standard sea level pressure

Adafruit_BME280 environmentSensor; // Using I2C for communication
//Adafruit_BME280 environmentSensor(SPI_CS); // Use for hardware SPI
//Adafruit_BME280 environmentSensor(SPI_CS, SPI_MOSI, SPI_MISO, SPI_CLK); // Use for software SPI

unsigned long refreshInterval;

void setup() {
  Serial.begin(9600);
  Serial.println(F("Initializing BME280 Sensor"));

  bool initSuccess;

  // Initialize sensor with default settings (I2C address 0x76)
  initSuccess = environmentSensor.begin(0x76);
  if (!initSuccess) {
    Serial.println("Sensor initialization failed. Verify wiring and connections.");
    while (1); // Halt execution if sensor is not found
  }

  Serial.println("-- Running Default Configuration --");
  refreshInterval = 1000; // Data refresh every 1000 ms

  Serial.println();
}

void loop() {
  displaySensorData();
  delay(refreshInterval);
}

void displaySensorData() {
  Serial.print("Temperature: ");
  Serial.print(environmentSensor.readTemperature());
  Serial.println(" °C");
  
  // Optional: Uncomment for Fahrenheit conversion
  /*Serial.print("Temperature: ");
  Serial.print(1.8 * environmentSensor.readTemperature() + 32);
  Serial.println(" °F");*/
  
  Serial.print("Pressure: ");
  Serial.print(environmentSensor.readPressure() / 100.0F);
  Serial.println(" hPa");

  Serial.print("Estimated Altitude: ");
  Serial.print(environmentSensor.readAltitude(SEA_LEVEL_PRESSURE));
  Serial.println(" meters");

  Serial.print("Humidity: ");
  Serial.print(environmentSensor.readHumidity());
  Serial.println(" %");

  Serial.println();
}