#include <Wire.h> // Wire Bibliothek einbinden
#include <LiquidCrystal_I2C.h> // LiquidCrystal_I2C Bibliothek
#define BTN_RED 2
#define BTN_GREEN 3
LiquidCrystal_I2C lcd(0x27, 16, 2); // LiquidCrystal_I2C Objekt
int counter= 7;
byte input = 0;
String sInput = "";