void setup() {
  // jalur 1
pinMode(1, OUTPUT);//merah
pinMode(2, OUTPUT);//kuning
pinMode(3, OUTPUT);//hijau
// jalur 2
pinMode(5, OUTPUT);//merah
pinMode(6, OUTPUT);//kuning
pinMode(7, OUTPUT);//hijau
// jalur 3
pinMode(8, OUTPUT);//merah
pinMode(9, OUTPUT);//kuning
pinMode(10, OUTPUT);//hijau
}

void loop() {
  // put your main code here, to run repeatedly:
  // jalur 1 lampu hijau menyala
digitalWrite(1, LOW);
digitalWrite(2, LOW);
digitalWrite(3, HIGH);

// Jalur 2
digitalWrite(5, HIGH);
digitalWrite(6, LOW);
digitalWrite(7, LOW);
// jalur 3
digitalWrite(8, HIGH); // A
digitalWrite(9, LOW);  // B
digitalWrite(10, LOW);  // C
delay(5000);

// jalur 1 kuning menyala
digitalWrite(1, LOW);
digitalWrite(2, HIGH);
digitalWrite(3, LOW);

// Jalur 2 merah menyala
digitalWrite(5, HIGH);
digitalWrite(6, LOW);
digitalWrite(7, LOW);
// jalur 3 merah menyala
digitalWrite(8, HIGH); // A
digitalWrite(9, LOW);  // B
digitalWrite(10, LOW);  // C
delay(2000);
//======================================
// jalur 1 merah menyala
digitalWrite(1, HIGH);
digitalWrite(2, LOW);
digitalWrite(3, LOW);

// Jalur 2 hijau menyala
digitalWrite(5, LOW);
digitalWrite(6, LOW);
digitalWrite(7, HIGH);
// jalur 3
digitalWrite(8, HIGH); // A
digitalWrite(9, LOW);  // B
digitalWrite(10, LOW);  // C
delay(5000);
//*********** Kuning jalur 2
// jalur merah menyalah
digitalWrite(1, HIGH);
digitalWrite(2, LOW);
digitalWrite(3, LOW);

// Jalur 2 kuning menyala
digitalWrite(5, LOW);
digitalWrite(6, HIGH);
digitalWrite(7, LOW);
// jalur 3
digitalWrite(8, HIGH); // A
digitalWrite(9, LOW);  // B
digitalWrite(10, LOW);  // C
delay(2000);
//======================================
// jalur 1 merah menyala
digitalWrite(1, HIGH);
digitalWrite(2, LOW);
digitalWrite(3, LOW);

// Jalur 2 h merah menyala
digitalWrite(5, HIGH);
digitalWrite(6, LOW);
digitalWrite(7, LOW);
// jalur 3
digitalWrite(8, LOW); // A
digitalWrite(9, LOW);  // B
digitalWrite(10, HIGH);  // C
delay(5000);
//*********** Kuning jalur 2
// jalur merah menyalah
digitalWrite(1, HIGH);
digitalWrite(2, LOW);
digitalWrite(3, LOW);

// Jalur 2 kuning menyala
digitalWrite(5, HIGH);
digitalWrite(6, LOW);
digitalWrite(7, LOW);
// jalur 3
digitalWrite(8, LOW); // A
digitalWrite(9, HIGH);  // B
digitalWrite(10, LOW);  // C
delay(2000);
}