Mini Weather Sensor (BME280 + Arduino)

// Read temperature, humidity, and pressure from a BME280 over I2C.
// Install "Adafruit BME280 Library" and "Adafruit Unified Sensor".
#include <Wire.h>
#include <Adafruit_BME280.h>

Adafruit_BME280 bme;

void setup() {
  Serial.begin(9600);
  if (!bme.begin(0x76)) {        // try 0x77 if this fails
    Serial.println("BME280 not found");
    while (1);
  }
}

void loop() {
  Serial.print("Temp: ");     Serial.print(bme.readTemperature());      Serial.print(" C  ");
  Serial.print("Humidity: "); Serial.print(bme.readHumidity());         Serial.print(" %  ");
  Serial.print("Pressure: "); Serial.print(bme.readPressure() / 100.0); Serial.println(" hPa");
  delay(2000);
}