int pot = A3; //potenciometar spojen na analogni ulaz a0
int led=3;
int ocit_pot; //spremanje vrijeefnosti potenciometra
int jac_led; //jacina led diode
void setup() {
  // put your setup code here, to run once:
pinMode(led, OUTPUT);
digitalWrite(led, LOW);
pinMode(pot, INPUT_PULLUP);
Serial.begin(9600); //inicijalizacija serijske veze
}

void loop() {
  // put your main code here, to run repeatedly:
ocit_pot=analogRead(pot); //definirat varijablu ocitanja pot
jac_led= map(ocit_pot,0,1023,0,255); /* prebacit ocitanje ocitanje potenciometra u jacinu leda i 
analogni ulaz naštelat na analogni izlaz*/
analogWrite(led,jac_led);
Serial.print("unutarnje ocitanje: ");
Serial.print(ocit_pot);
Serial.print(" intezitet led: ");
Serial.println(jac_led);
delay(100);

}