Kod za UV v1.0

#include <LiquidCrystal.h>

int val;
int encoder0PinA = 8;
int encoder0PinB = 9;
int encoder0Pos = 0;
int encoder0PinALast = LOW;
int n = LOW;
int dugmePin = 10;
int dugmeState = 0;
int stanje = 0;
const int rs = 2, en = 3, d4 = 4, d5 = 5, d6 = 6, d7 = 7;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void setup()

// Startup poruka
{
  pinMode(dugmePin, INPUT);
  lcd.begin(16, 2);
  pinMode (encoder0PinA, INPUT);
  pinMode (encoder0PinB, INPUT);
  lcd.print("     Welcome to   ");
  lcd.setCursor(0,1);
  lcd.print("  Utepuvatch V1.0  ");
  delay(2000);
  lcd.setCursor(0,0);
  lcd.clear();
  lcd.print("Made by");
  lcd.setCursor(0,1);
  lcd.print("Aleksa and Stevan");
  delay(2000);
  lcd.clear();
}


// Glavni kod

void loop()
{

  dugmeState = digitalRead(dugmePin);

  if (dugmeState == LOW)
  {
    stanje = 10;

  }

   if (stanje == 10)
  {
    lcd.setCursor(10,0);
    lcd.print("    ");
    if (encoder0Pos > 0)
    {
      encoder0Pos --;
      lcd.setCursor(10,0);
      lcd.print(encoder0Pos);
      delay(600);
      }

   else
    {
      lcd.setCursor(0,1);
      stanje = 0;
      lcd.print("       Done   ");
      delay(2000);
      lcd.setCursor(0,1);
      lcd.print("Press to start");
    }
  }


  // na dole je kod za enkoder, na gore je za posmatranje stanja dugmeta

  n = digitalRead(encoder0PinA);
  if ((encoder0PinALast == LOW) && (n == HIGH))
  {
    if (digitalRead(encoder0PinB) == LOW)

    {
      encoder0Pos--;
      if (encoder0Pos <0)
      {
       encoder0Pos = 0;
      }
    }

     else

    {
      encoder0Pos++;
    }

    lcd.setCursor(0,0);
    lcd.print("UV timer: ");
    lcd.print("          ");
    lcd.setCursor(10,0);
    lcd.print (encoder0Pos);
    lcd.setCursor(14,0);
    lcd.print("min");
    lcd.setCursor(0,1);
    lcd.print("Press to start");

  }
  encoder0PinALast = n;
}