const int baris1 = 0;
const int baris2 = 1;
const int baris3 = 2;
const int baris4 = 3;
const int kolom1 = 4;
const int kolom2 = 5;
const int kolom3 = 6;
const int kolom4 = 7;
void setup()
{
  // put your setup code here, to run once:
  pinMode(baris1, OUTPUT);
  pinMode(baris2, OUTPUT);
  pinMode(baris3, OUTPUT);
  pinMode(baris4, OUTPUT);
  pinMode(kolom1, OUTPUT);
  pinMode(kolom2, OUTPUT);
  pinMode(kolom3, OUTPUT);
  pinMode(kolom4, OUTPUT);
}

void loop()
{
  // put your main code here, to run repeatedly:
  digitalWrite(baris1, HIGH);
  digitalWrite(baris2, HIGH);
  digitalWrite(baris3, HIGH);
  digitalWrite(baris4, HIGH);
  digitalWrite(kolom1, HIGH);
  digitalWrite(kolom2, HIGH);
  digitalWrite(kolom3, HIGH);
  digitalWrite(kolom4, HIGH);
  delay(100);
  digitalWrite(baris1, LOW);
  digitalWrite(baris2, LOW);
  digitalWrite(baris3, LOW);
  digitalWrite(baris4, LOW);
  digitalWrite(kolom1, LOW);
  digitalWrite(kolom2, LOW);
  digitalWrite(kolom3, LOW);
  digitalWrite(kolom4, LOW);
  delay(100);
}