– Malzemeler:
- 12 tane led .
- 12 tane 220 ohm direnç
- 1 tane Breadbord ve yeteri kadar jumper kablolar.
- Arduino Kartı

KODLAR:
void setup()
{
pinMode(0,OUTPUT);
pinMode(1,OUTPUT);
pinMode(2,OUTPUT);
pinMode(3,OUTPUT);
pinMode(4,OUTPUT);
pinMode(5,OUTPUT);
pinMode(6,OUTPUT);
pinMode(7,OUTPUT);
pinMode(8,OUTPUT);
pinMode(9,OUTPUT);
pinMode(10,OUTPUT);
pinMode(11,OUTPUT);
pinMode(12,OUTPUT);
}
void loop()
{
digitalWrite(0,HIGH); // 0. pini HIGH yap
delay(1000); // 1 saniye bekle
digitalWrite(0, LOW); // 0. pini LOW yap
delay(1000); // 1 saniye bekle
// Sırasıyla tüm işlemleri diğer pinlere de uyguluyruz.
digitalWrite(1,HIGH);
delay(1000);
digitalWrite(1, LOW);
delay(1000);
digitalWrite(2,HIGH);
delay(1000);
digitalWrite(2, LOW);
delay(1000);
digitalWrite(3,HIGH);
delay(1000);
digitalWrite(3, LOW);
delay(1000);
digitalWrite(4,HIGH);
delay(1000);
digitalWrite(4, LOW);
delay(1000);
digitalWrite(5,HIGH);
delay(1000);
digitalWrite(5, LOW);
delay(1000);
digitalWrite(6,HIGH);
delay(1000);
digitalWrite(6, LOW);
delay(1000);
digitalWrite(7,HIGH);
delay(1000);
digitalWrite(7, LOW);
delay(1000);
digitalWrite(8,HIGH);
delay(1000);
digitalWrite(8, LOW);
delay(1000);
digitalWrite(9,HIGH);
delay(1000);
digitalWrite(9, LOW);
delay(1000);
digitalWrite(10,HIGH);
delay(1000);
digitalWrite(10, LOW);
delay(1000);
digitalWrite(11,HIGH);
delay(1000);
digitalWrite(11, LOW);
delay(1000);
digitalWrite(12,HIGH);
delay(1000);
digitalWrite(12, LOW);
delay(1000);
}