int led = 0;  //led pin
int b1s = 0;  //spremen. za stetje
int b05s = 0; //spremen. za stetje
int b01s = 0; //spremen. za stetje


void setup() {
  pinMode(led, 1);  //1 je output
}

void loop() {
  blink_1sec(3); //blink 1 sec ponovi 3-krat
  blink_05sec(3); //blink 0.5 sec ponovi 3-krat
  blink_01sec(3); //blink 0.1 sec ponovi 3-krat
}

void blink_1sec(int numA) { //iz oklepaja shrani v numA...
  for (b1s = 1; b1s < numA+1; b1s++) {  //for loop za ponovitve..
    digitalWrite(led, 1);
    delay(1000);
    digitalWrite(led, 0);
    delay(1000);
  }
}

void blink_05sec(int numB) {
  for (b05s = 1; b05s < numB+1; b05s++) {
    digitalWrite(led, 1);
    delay(500);
    digitalWrite(led, 0);
    delay(500);
  }
}

void blink_01sec(int numC) {
  for (b01s = 1; b01s < numC+1; b01s++) {
    digitalWrite(led, 1);
    delay(100);
    digitalWrite(led, 0);
    delay(100);
  }
}