#include <Servo.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C display(0x27,20,4);
Servo myservo;

int angel[] = {45,90,135,180};                       //muss nur was im array die reihenfolge oder neue pins ändern
int lastIndex = sizeof(angel)/sizeof(int) - 1;
int i = 0;

void setup() {
 myservo.attach(9);
 myservo.write(0);
 delay(500);

 display.init();
 display.backlight();
}


void loop() {
  display.setCursor(0,0);
  display.print(angel[i]);
  display.print("     ");
  myservo.write(angel[i]);
  delay(1000);
  i++;
  if(i > lastIndex) i = 0;
}