//aplikasi lampu berkedip

int led = 10;
int led2 = 13;
int led3 = 12;

void setup()

{
pinMode(led, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
}

void loop()

{
digitalWrite(led, HIGH);
delay(500);
digitalWrite(led2, HIGH);
delay(300);
digitalWrite(led3, HIGH);
delay(100);
digitalWrite(led, LOW); 
delay(500);
digitalWrite(led2, LOW);
delay(300);
digitalWrite(led3, LOW);
delay(100);
digitalWrite(led, HIGH);
delay(500);
digitalWrite(led2, HIGH);
delay(300);
digitalWrite(led3, HIGH);
delay(100);
digitalWrite(led, LOW);
delay(500);
digitalWrite(led2, LOW);
delay(300);
digitalWrite(led3, LOW);
delay(100);
}