const byte kirmizi = 13, sari = 12, yesil = 11;
void setup() {
pinMode(kirmizi, OUTPUT);
pinMode(sari, OUTPUT);
pinMode(yesil, OUTPUT);
}
// Yeşil LED. }
void loop() {
digitalWrite (kirmizi, 1);
digitalWrite(sari, 0);
digitalWrite(yesil, 0);
delay(3000);
digitalWrite(kirmizi, 1);
digitalWrite(sari, 1);
digitalWrite(yesil, 0);
delay(1000);
digitalWrite(kirmizi, 0);
digitalWrite(sari, 0);
digitalWrite(yesil, 1);
delay(3000);
digitalWrite(kirmizi, 0);
digitalWrite(sari, 1);
digitalWrite(yesil, 0);
delay(1000);
}