int16_t brojo=9;
int16_t brluz1=0;
int16_t brluz2=100;
int16_t brluz3=255;
int16_t rts=1000;
void setup() {
  // put your setup code here, to run once:
pinMode(brojo, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
analogWrite(brojo,brluz1);
delay(rts);
analogWrite(brojo,brluz2);
delay(rts);
analogWrite(brojo,brluz3);
delay(rts);
}