#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);
// Pinbelegung I2C: SCL >> D22, SDA >> D21  keine Pullups!

void setup() 
{
  LCD.init();
  LCD.backlight();
  LCD.clear();
}

void loop() 
{
  LCD.setCursor(0, 0);
  LCD.println("Hello There");
  LCD.setCursor(14, 0);
  LCD.write(0xDF);
  LCD.setCursor(15, 0);
  LCD.print("C");
  LCD.setCursor(0, 1);
  LCD.write(0x7E);
  LCD.print("              ");
  LCD.write(0x7F);
  delay(250);
}