Arduino sketch to show BME280 readings on a LCD display

lcd-bme280.ino

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

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

#include <LiquidCrystal_I2C.h>

#define BME280_Addr (0x76)
#define SEALEVELPRESSURE_HPA (1013.25)

#define LCD_Addr (0x3f)
#define LCD_Col 20
#define LCD_Row 2

Adafruit_BME280 bme; // I2C
LiquidCrystal_I2C lcd(LCD_Addr, LCD_Col, LCD_Row);

// used to show pressure and humidity alternating
bool flip;

void setup() {
  Serial.begin(115200);
  while(!Serial);    // time to get serial running
  Serial.println(F("BME280 test"));

  unsigned status;
  
  // default settings
  // (you can also pass in a Wire library object like &Wire2)
  status = bme.begin(BME280_Addr);  
  if (!status) {
      Serial.println("Could not find a valid BME280 sensor, check wiring, address, sensor ID!");
      Serial.print("SensorID was: 0x"); Serial.println(bme.sensorID(),16);
      Serial.print("        ID of 0xFF probably means a bad address, a BMP 180 or BMP 085\n");
      Serial.print("   ID of 0x56-0x58 represents a BMP 280,\n");
      Serial.print("        ID of 0x60 represents a BME 280.\n");
      Serial.print("        ID of 0x61 represents a BME 680.\n");
      while (1);
  }

  lcd.init();
  lcd.backlight();

  flip = false;
}

void loop() {
  printValues();
  delay(2000);
}

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

    Serial.print("Pressure = ");

    Serial.print(bme.readPressure() / 100.0F);
    Serial.println(" hPa");

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

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

    Serial.println();
  */
  // clear lcd
  lcd.clear(); 

  // temperatur
  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print(bme.readTemperature());
  lcd.print(" *C");

  // either humidity or pressure
  lcd.setCursor(0, 1);
  if (flip) {
    lcd.print("Pres: ");
    lcd.print(bme.readPressure() / 100.0F);
    lcd.print(" hPa");
  } else {
    lcd.print("Humi: ");
    lcd.print(bme.readHumidity());
    lcd.print(" %");
  }

  flip = !flip;
}