int crvLed = 6;
int zelLed = 5;
int sinLed = 3;
int crvRGB = 11;
int zelRGB = 10;
int sinRGB = 9;
int zvucnik = 2;
int potPin = A3;
int vrednost;
int rezultat;

void setup() {
  pinMode (crvLed, OUTPUT);
  pinMode (zelLed, OUTPUT);
  pinMode (sinLed, OUTPUT);
  pinMode (crvRGB, OUTPUT);
  pinMode (zelRGB, OUTPUT);
  pinMode (sinRGB, OUTPUT);
  pinMode (zvucnik, OUTPUT);
  pinMode (potPin, INPUT);
  Serial.begin (9600);
}

void loop() {
  vrednost = analogRead (potPin);
  rezultat = (7./1023.)*vrednost;
  Serial.println (rezultat);
  
  if (rezultat == 0) {
    digitalWrite (crvLed, LOW);
    digitalWrite (zelLed, LOW);
    digitalWrite (sinLed, LOW);
    digitalWrite (crvRGB, LOW);
    digitalWrite (zelRGB, LOW);
    digitalWrite (sinRGB, LOW);
    digitalWrite (zvucnik, LOW);
  }
  else if (rezultat == 1 ) {
    digitalWrite (crvLed, HIGH);
    digitalWrite (zelLed, LOW);
    digitalWrite (sinLed, LOW);
    digitalWrite (crvRGB, HIGH);
    digitalWrite (zelRGB, LOW);
    digitalWrite (sinRGB, LOW);
    digitalWrite (zvucnik, LOW);
  }
  else if (rezultat == 2 ) {
    digitalWrite (crvLed, LOW);
    digitalWrite (zelLed, HIGH);
    digitalWrite (sinLed, LOW);
    digitalWrite (crvRGB, LOW);
    digitalWrite (zelRGB, HIGH);
    digitalWrite (sinRGB, LOW);
    digitalWrite (zvucnik, LOW); 
  }
  else if (rezultat == 3 ) {
    digitalWrite (crvLed, LOW);
    digitalWrite (zelLed, LOW);
    digitalWrite (sinLed, HIGH);
    digitalWrite (crvRGB, LOW);
    digitalWrite (zelRGB, LOW);
    digitalWrite (sinRGB, HIGH);
    digitalWrite (zvucnik, LOW); 
  }
  else if (rezultat == 4 ) {
    digitalWrite (crvLed, HIGH);
    digitalWrite (zelLed, HIGH);
    digitalWrite (sinLed, LOW);
    digitalWrite (crvRGB, HIGH);
    digitalWrite (zelRGB, HIGH);
    digitalWrite (sinRGB, LOW);
    digitalWrite (zvucnik, LOW); 
  }
  else if (rezultat == 5 ) {
    digitalWrite (crvLed, HIGH);
    digitalWrite (zelLed, LOW);
    digitalWrite (sinLed, HIGH);
    digitalWrite (crvRGB, HIGH);
    digitalWrite (zelRGB, LOW);
    digitalWrite (sinRGB, HIGH);
    digitalWrite (zvucnik, LOW); 
  }
  else if (rezultat == 6 ) {
    digitalWrite (crvLed, LOW);
    digitalWrite (zelLed, HIGH);
    digitalWrite (sinLed, HIGH);
    digitalWrite (crvRGB, LOW);
    digitalWrite (zelRGB, HIGH);
    digitalWrite (sinRGB, HIGH);
    digitalWrite (zvucnik, LOW); 
  }
  else {
    digitalWrite (crvLed, HIGH);
    digitalWrite (zelLed, HIGH);
    digitalWrite (sinLed, HIGH);
    digitalWrite (crvRGB, HIGH);
    digitalWrite (zelRGB, HIGH);
    digitalWrite (sinRGB, HIGH);
    digitalWrite (zvucnik, HIGH); 
  }
}