//MD 2025_02_05
//LCD_Aqua_Temp
//Bibliotheken einbinden
#include <OneWire.h>
#include <DallasTemperature.h>
#include <LiquidCrystal_I2C.h>

//Instanzen
const int oneWireBus = 17;     
OneWire oneWire(oneWireBus);
DallasTemperature sensors(&oneWire);

// set the LCD number of columns and rows
int lcdColumns = 16;
int lcdRows = 2;

// set LCD address, number of columns and rows
// if you don't know your display address, run an I2C scanner sketch
LiquidCrystal_I2C lcd(0x27, lcdColumns, lcdRows);  

void setup() {
  // Start the Serial Monitor
  Serial.begin(115200);
  // Start the DS18B20 sensor
  sensors.begin();

  // initialize LCD
  lcd.init();
  // turn on LCD backlight                      
  lcd.backlight();
}

void loop() {
  sensors.requestTemperatures(); 
  float temperatureC = sensors.getTempCByIndex(0);
   // set cursor to first column, first row
  lcd.setCursor(5, 0);
  lcd.print(temperatureC);
  lcd.print("C");
  lcd.setCursor(2, 0);
  byte customChar[8]={
    0b00000,
    0b00100,
    0b01010,
    0b00100,
    0b00000,
    0b00000,
    0b00000,
    0b00000
  };
 
  Serial.print(temperatureC);
  Serial.println("°C");
  //delay(1000);