#include <LiquidCrystal_I2C.h>
#include <Servo.h>
Servo servo;
LiquidCrystal_I2C lcd(0x27,  16, 2); 
int alfa;
void setup(){
  randomSeed(analogRead(A0));
  lcd.init();
  lcd.backlight();
  servo.attach(5);
}

void loop(){
  alfa = random(180);
  servo.write(alfa);
  lcd.setCursor(0, 0);
  lcd.print(alfa);

  delay(1000);
  lcd.clear();
}