Arduino weather station BMP280 sensor

weather-bmp280.ino

#include <LiquidCrystal.h>
#include <Wire.h>
#include <SPI.h>
#include <Adafruit_BMP280.h>

Adafruit_BMP280 bmp; // I2C
// VCC -> 3.3V
// GND -> GND
// SCL -> A5
// SDA -> A4

LiquidCrystal lcd(2, 3, 4, 5, 6, 7);

byte degChar[8] = {
  0b00010,
  0b00101,
  0b00010,
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b00000
};

uint8_t bmp280address = 0x76;
uint8_t bmp280chipid = 0x60;

void setup() {
  Serial.begin(9600);

  if (!bmp.begin(bmp280address, bmp280chipid)) {
    Serial.println(F("BMP280 SENSOR IS DEAD"));
    while (1);
  }

  bmp.setSampling(
    Adafruit_BMP280::MODE_NORMAL,     /* Operating Mode. */
    Adafruit_BMP280::SAMPLING_X2,     /* Temp. oversampling */
    Adafruit_BMP280::SAMPLING_X16,    /* Pressure oversampling */
    Adafruit_BMP280::FILTER_X16,      /* Filtering. */
                  Adafruit_BMP280::STANDBY_MS_500); /* Standby time. */

    lcd.createChar(0, degChar);
    lcd.begin(16, 2);
}

void loop() {
    float temp = bmp.readTemperature();
    float pressure = bmp.readPressure() / 100;

    lcd.clear();
    lcd.setCursor(0, 0);
    if (temp > 30) {
       lcd.print("Hot ");
    } else if (temp > 20) {
      lcd.print("Warm ");
    } else if (temp > 15) {
      lcd.print("Cool ");
    } else {
      lcd.print("Cold ");
    }
    lcd.print(temp);
    
    lcd.print(" ");
    lcd.write((uint8_t)0); // deg symbol
    lcd.print("C");
    
    lcd.setCursor(0, 1);
    lcd.print(pressure);
    lcd.print(" hPa");

    Serial.println();
    delay(1000);
}