#include <LiquidCrystal.h>
#include <OneWire.h>
#include <DallasTemperature.h>

LiquidCrystal lcd(12, 11, 5,4,3,2);


OneWire oneWire(1);
DallasTemperature sensors(&oneWire);

unsigned long currentTime;
unsigned long lastTime;
unsigned long diffTime;
float currentTemp;
float minTemp = 0;
float maxTemp = 0;



unsigned long lastTime1;
unsigned long diffTime1;
void setup() {
 lcd.begin(16, 2);
 sensors.begin(); 
 minTemp = sensors.getTempCByIndex(0);
 maxTemp = sensors.getTempCByIndex(0);
 
}

void loop() {
 currentTime = millis();
 diffTime = currentTime - lastTime;
 diffTime1 = currentTime - lastTime1;

 
 if(diffTime >= 10000UL){
  
 sensors.requestTemperatures();
 float currentTemp = sensors.getTempCByIndex(0);
 if(currentTemp > maxTemp){
  maxTemp = currentTemp;
 }else if(currentTemp < minTemp){
  minTemp = currentTemp;
 }
 lastTime = currentTime;

 
 lcd.clear();
 lcd.setCursor(0,0);
 lcd.print("aktualna temp: ");
 lcd.setCursor(0,1);
 lcd.print(currentTemp);
 delay(6000);
 
 
 lcd.clear();
 lcd.setCursor(0,0);
 lcd.print("minTemp: ");
 lcd.print(minTemp);
 lcd.setCursor(0,1);
 lcd.print("maxTemp: ");
 lcd.print(minTemp);
 
 }
 
}