BME 280 Weather Sensor

Using a BME 280 Sensor with Arduino

Wiring:  Vcc------3.3V ,GND----GND, SDA----SDA(A4) SCL--- SCL  (A5)

Libraries: Adafruit_Sensor.h
                Adafruit_BME280.h

#include <Wire.h>

#include <Adafruit_Sensor.h>

#include <Adafruit_BME280.h>

Adafruit_BME280 bme; // I2C

void setup() {

  Serial.begin(9600);

  if (!bme.begin(0x76)) {  // Try 0x76 or 0x77 depending on your sensor

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("Pressure = ");

  Serial.print(bme.readPressure() / 100.0F);

  Serial.println(" hPa");

  Serial.print("Humidity = ");

  Serial.print(bme.readHumidity());

  Serial.println(" %");

  Serial.println();

  delay(2000);

}

#include <Wire.h>

#include <Adafruit_Sensor.h>

#include <Adafruit_BME280.h>

Adafruit_BME280 bme; // I2C

// Set the LCD address to 0x27 for a 16 chars and 2 line display

#include <LiquidCrystal_I2C.h> // Adafruit Arduino Liquid Crystal I2C

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {

  // initialize the LCD, turn on the backlight and print a message.

  lcd.begin();

  lcd.backlight();

  lcd.print("Hello, World!");

  Serial.begin(9600);

  if (!bme.begin(0x76)) {  // Try 0x76 or 0x77 depending on your sensor

  Serial.println("Could not find a valid BME280 sensor, check wiring!");

  while (1);

  }

}

void loop() {

//print values to the serial monitor

  Serial.print("Temperature = ");

  Serial.print(bme.readTemperature());

  Serial.println(" °C");

  Serial.print("Pressure = ");

  Serial.print(bme.readPressure() / 100.0F);

  Serial.println(" hPa");

  Serial.print("Humidity = ");

  Serial.print(bme.readHumidity());

  Serial.println(" %");

  Serial.println();

//print values on LCD screen

  delay(2000);

   lcd.clear();

  // Display humidity on line 0

  lcd.setCursor(0, 0);      // First row

  lcd.print("Humidity= ");

  lcd.print(bme.readHumidity());

  // Display temperature on line 1

  lcd.setCursor(0, 1);      // Second row

  lcd.print("Temp= ");

  lcd.print(bme.readTemperature());

  // Display pressure on line 2

  lcd.setCursor(0, 2);      // Third row

  lcd.print("Pressure= ");

  lcd.print(bme.readPressure());

}