int lm=12;
int lj=11;
int lk=10;
int lh=9;
int lb=8;
void setup() {
  // put your setup code here, to run once:
pinMode(lm,OUTPUT );
pinMode(lj,OUTPUT );
pinMode(lk,OUTPUT );
pinMode(lh,OUTPUT );
pinMode(lb,OUTPUT );
}

void loop() {
  // put your main code here, to run repeatedly
kedip(2,10,lm,200);
kedip(2,9,lj,200);
kedip(2,8,lk,200);
kedip(2,7,lh,200);
kedip(2,6,lb,200);
}

void kedip (int batasbawah,int batasatas,int led,int lama) {
int u=batasbawah;
while(u<=batasatas)
{digitalWrite(led,HIGH );
delay(lama);
digitalWrite(led,LOW );
delay(lama);
u++;
}
}