int led=3;
int pot=A0;
int ocitanjepot;
int jacinaled;

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
digitalWrite(led, LOW);
}

void loop() {
  // put your main code here, to run repeatedly:
ocitanjepot=analogRead(pot);
jacinaled=map(ocitanjepot,0,1023,0,255);
analogWrite(led,jacinaled);
Serial.print(ocitanjepot);
Serial.print("\t");
Serial.println(jacinaled);
delay(50);
}