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

#define LED_1 8
#define LED_2 9

LiquidCrystal_I2C lcd(0x27,20,4);

int Poti = 0;


//Zeit
unsigned long zeitaktuell;
unsigned long zeit_diff = 0;
unsigned long zeit_alt = 0;
int Wartezeit = 2000;


void setup() {
Serial.begin(9600);
lcd.init();                     
lcd.backlight();


pinMode(LED_1 ,OUTPUT);
pinMode(LED_2 ,OUTPUT);

digitalWrite(LED_1, LOW);
digitalWrite(LED_2, LOW);

}

void loop() {
zeitaktuell = millis();
zeit_diff = zeitaktuell - zeit_alt;
Poti = analogRead(A0);
int H = (Poti >> 8) & 0xFF ;
int L= (Poti) & 0xFF;

if(Wartezeit >= zeit_diff){
  Anzeige_LCD();
  Anzeige_Seriell( H, L, Poti);
  String conv2binString(H,L);
}
zeit_alt = millis();
}
void Anzeige_LCD(){
  lcd.setCursor(0, 0);
  lcd.print("Poti    ");
  lcd.setCursor(0, 1);
  lcd.print(analogRead(A0));
  lcd.setCursor(6, 0);
  lcd.print("H:");
  lcd.setCursor(6, 1);
  lcd.print("L:");
  //lcd.clear();
  delay(300);
}
void Anzeige_Seriell(int H, int L, int Poti){
  Serial.print("Poti: ");
  Serial.println(analogRead(A0));
  Serial.print("H: ");
  Serial.print(H);
  Serial.println(" ");
  Serial.print("L: ");
  Serial.print(L);
  Serial.println(" ");
  //Serial.print("C: ");
  //Serial.print(C);
  //Serial.println(" ");
}
String conv2binString( int H,int L){
  String Bin = " ";
  for(int i = 7; i>=0; i--){
      if( H & ( 1<< i));
      Bin += "1";
    else
      Bin += "0";
  }
  return Bin;
  }