int zelena = 2;
int rdeca = 4;
int rumena = 6;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(zelena, OUTPUT);
  pinMode(rdeca, OUTPUT);
  pinMode(rumena, OUTPUT);
  
}

void loop() {
  // put your main code here, to run repeatedly:
  int pot = analogRead(A0);
  pot = map(pot, 0, 1023, 1, 10);    //zadnji dve sta od koliko do koliko so vrednosti na potenciometru
  Serial.println(pot);
  delay(200);

  if (pot <= 3) {
    Serial.println("zelena");
    digitalWrite(zelena, HIGH);
    delay(700);
    digitalWrite(zelena, LOW);
  }

  if (pot > 3 && pot <= 6) {
    Serial.println("rdeca");
    digitalWrite(rdeca, HIGH);
    delay(700);
    digitalWrite(rdeca, LOW);
  }

  if (pot > 6) {
    Serial.println("rumena");
    digitalWrite(rumena, HIGH);
    delay(700);
    digitalWrite(rumena, LOW);
  } 
}