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

LiquidCrystal_I2C lcd(0x27,16,2);

void setzen();


const int CLK = 6;
const int DT = 5;
const int SW = 2;

long altePosition = -999;
long neuePosition = -999;

Encoder meinEncoder(DT,CLK);



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

  pinMode(SW, INPUT);

  attachInterrupt(digitalPinToInterrupt(SW), setzen, CHANGE);


}

void loop() {
  long neuePosition = meinEncoder.read();

 
 
 
 
  if (neuePosition != altePosition)
  {
    altePosition = neuePosition;
    
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print(neuePosition);
  }




}

void setzen() {
  lcd.setCursor(0,2);
  lcd.print("TASTER");
}