void setup() {
  // put your setup code here, to run once:
  pinMode(7, OUTPUT);//merah A
  pinMode(6, OUTPUT);// kuning A
  pinMode(5, OUTPUT);// hijau A
  pinMode(4, OUTPUT);// hijau B
  pinMode(3, OUTPUT);// kuning B
  pinMode(2, OUTPUT);//  merah B

}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(7, HIGH);
  digitalWrite(4, HIGH);
  delay(5000);
  digitalWrite(7, LOW);
  digitalWrite(4, LOW);
  delay(0);
  digitalWrite(6, HIGH);
  digitalWrite(3, HIGH);
  delay(2000);
  digitalWrite(6, LOW);
  digitalWrite(3, LOW);
  delay(0);
  digitalWrite(5, HIGH);
  digitalWrite(2, HIGH);
  delay(5000);
  digitalWrite(5, LOW);
  digitalWrite(2, LOW);
  delay(0);

}