#include <LiquidCrystal_I2C.h>
#include <RotaryEncoder.h>

RotaryEncoder encoder(2,3);
#define ENC_SW 4

int currentPosition=0;
int lastPosition=0;

LiquidCrystal_I2C lcd(0x27,16,2);


void setup() {
  lcd.init();
  lcd.backlight();

  pinMode(ENC_SW, INPUT_PULLUP);

}

void loop() {

  encoder.tick();
  currentPosition = encoder.getPosition();

  lcd.setCursor(0,0);

  if(currentPosition!=lastPosition){
    if(currentPosition<lastPosition){
      lcd.clear();
      lcd.print(String(char(126)));
      delay(200);
    }
    else{
      lcd.clear();
      lcd.print(String(char(127)));
      delay(200);
    }
    
    lastPosition=currentPosition;
    lcd.display();
  }

  if(!digitalRead(ENC_SW)){
    lcd.clear();
    lcd.print(String(char(94)));
    lcd.display();
    delay(200);
  }

}