BME280 Arduino Code Example

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

#define SEALEVELPRESSURE_HPA (1013.25) // Change this to your local sea level pressure (hPa)

Adafruit_BME280 bme;

void setup() {
  Serial.begin(9600);
  if (!bme.begin(0x76)) {
    Serial.println("Could not find a valid BME280 sensor, check wiring!");
    while (1);
  }
}

void loop() {
  Serial.print("Temperature = ");
  Serial.print(bme.readTemperature());
  Serial.println(" *C");

  Serial.print("Humidity = ");
  Serial.print(bme.readHumidity());
  Serial.println("%");

  Serial.print("Pressure = ");
  Serial.print(bme.readPressure() / 100.0F); // hPa to Pa conversion
  Serial.println(" hPa");

  Serial.print("Approx. Altitude = ");
  Serial.print(bme.readAltitude(SEALEVELPRESSURE_HPA));
  Serial.println(" m");

  Serial.println();

  delay(2000); // Delay for 2 seconds (2000 ms) between each reading
}