#include <LiquidCrystal_I2C.h>

byte dot[8] = {0x0E, 0x0A, 0x0E, 0x00, 0x00,  0x00, 0x00, 0x00};
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  lcd.init();
  lcd.backlight();
  lcd.createChar(0, dot);  // store dot[] into slot 0
}

void loop() {
  float h = 80.5;  // Relativity humidity
  float c = 27.0;  // Celsius
  float f = 80.6;  // Fahrenheit
  
  lcd.setCursor(0, 0);
  lcd.print("Humidity: "); lcd.print(h, 1); lcd.print("%");
  
  lcd.setCursor(0, 2);
  lcd.print("Temperature: "); lcd.print(c, 2); lcd.write(0); lcd.print("C");

  lcd.setCursor(0, 3);
  lcd.print("Temperature: "); lcd.print(f, 1); lcd.write(0); lcd.print("F");

  delay(4000);
}