int led = 9;
int pockaj = 250;

int ledR = 7;
int ledG = 6;
int ledB = 5;

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

  // červená farba RGB diódy
  digitalWrite(ledR, HIGH);
  digitalWrite(ledG, LOW);
  digitalWrite(ledB, LOW);

  delay(1000);

  // zelená farba RGB diódy
  digitalWrite(ledR, LOW);
  digitalWrite(ledG, HIGH);
  digitalWrite(ledB, LOW);

  delay(1000);
  
  // modrá farba RGB diódy
  digitalWrite(ledR, LOW);
  digitalWrite(ledG, LOW);
  digitalWrite(ledB, HIGH);

  delay(1000);
}

/*
Zapojte a pnaprogramujte RGB diódu, 
ktorej sa budú striedať farby 
R, G, B po 1 sekunde
*/