#define kirmizi_led 14
#define sari_led 12
#define yesil_led 13

unsigned long eskizaman=0;
unsigned long yenizaman=0;
unsigned long kzaman=0;
unsigned long szaman=0;
unsigned long yzaman=0;

void setup() {
  pinMode(kirmizi_led, OUTPUT);
  pinMode(sari_led, OUTPUT);
  pinMode(yesil_led, OUTPUT);
}


void kirmizi_lamba() {
  digitalWrite(kirmizi_led, LOW);
  digitalWrite(yesil_led, HIGH);
}

void sari_lamba() {
  digitalWrite(sari_led, LOW);
  digitalWrite(yesil_led, HIGH);
}

void yesil_lamba() {
  digitalWrite(kirmizi_led, HIGH);
  digitalWrite(yesil_led, LOW);
  digitalWrite(sari_led, HIGH);
}

void loop() {
  yenizaman=millis();
  if((yenizaman-kzaman)>=10000){
    szaman=yenizaman;
    kirmizi_lamba(); }

    if(yenizaman-szaman>=8000){
      yzaman=yenizaman;
      sari_lamba(); }

      if(yenizaman-yzaman>=2000){
        kzaman=yenizaman;
        yesil_lamba(); }


}