#include <OneWire.h>
#include <DallasTemperature.h>
#include <LiquidCrystal.h>
#define ONE_WIRE_BUS 8 // temp sensor connected to Arduino digital pin 8
OneWire oneWire(ONE_WIRE_BUS); // Setting a one wire instance
DallasTemperature sensors(&oneWire); // Passing onewire instance to Dallas Temperature sensor library
LiquidCrystal lcd(2, 3, 4, 5, 6, 7);        // Arduino lcd sheild pins defined
   
void setup(){ 
    lcd.begin(16, 2);                       // Initialize the 16x2 lcd sheild
    sensors.begin();                        // Begin the DS18B20 initialization
}

void loop(){ 
int Panel=0, Boiler=0;     //Variables to store temperature readings from DS18B20 temperature sensor
  sensors.requestTemperatures(); //Call all sensors on one wire to start calculating the temperature readings

  Panel=sensors.getTempCByIndex(0);   //Get temperature reading from sensor 0 in celsius scale
  Boiler=sensors.getTempCByIndex(1); //Get temperature reading from sensor 1 in Celsuis scale
  
    lcd.setCursor(0, 0);      // Place the lcd cursor on Row-1       
    lcd.print("PANELE ");         // Print Celsius temperature on first row          
    lcd.print(Panel); 
    lcd.print((char)223); //prints °
    //lcd.print("C"); // prints C
    lcd.setCursor(11, 0);
    lcd.print("ON");
    //lcd.print("wstaw temp wlaczenia pompy")
    lcd.setCursor(0, 1);      // Place the lcd cursor on Row-2      
    lcd.print("BOILER ");         // Print temperature on second row       
    lcd.print(Boiler); 
    lcd.print((char)223); //prints °
    //lcd.print("C"); // prints C 
    lcd.print("OFF");
     //lcd.print("wstaw temp wylaczenia pompy")
    delay(500);              //Refresh the temperature readings after every 0.5 seconds
}