void setup() {
  // put your setup code here, to run once:

  // pedestrian lights
  pinMode (2, OUTPUT);
  pinMode (3, OUTPUT);

  // traffic lights
  pinMode (4, OUTPUT);
  pinMode (5, OUTPUT);
  pinMode (6, OUTPUT);

  // seven segments
  pinMode (7, OUTPUT);
  pinMode (8, OUTPUT);
  pinMode (9, OUTPUT);
  pinMode (10, OUTPUT);
  pinMode (11, OUTPUT);
  pinMode (12, OUTPUT);
  pinMode (13, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  
  // RED TRAFFIC ON
  digitalWrite (2, LOW);
  digitalWrite (3, LOW);
  digitalWrite (4, LOW);
  digitalWrite (5, LOW);
  digitalWrite (6, HIGH);

  // SEVEN SEGMENT 2
  digitalWrite (7, HIGH);
  digitalWrite (8, HIGH);
  digitalWrite (9, LOW);
  digitalWrite (10, HIGH);
  digitalWrite (11, HIGH);
  digitalWrite (12, LOW);
  digitalWrite (13, HIGH);

  //delay
  delay (1000);

  // RED TRAFFIC ON
  digitalWrite (2, LOW);
  digitalWrite (3, LOW);
  digitalWrite (4, LOW);
  digitalWrite (5, LOW);
  digitalWrite (6, HIGH);

  // SEVEN SEGMENT 1
  digitalWrite (7, LOW);
  digitalWrite (8, HIGH);
  digitalWrite (9, HIGH);
  digitalWrite (10, LOW);
  digitalWrite (11, LOW);
  digitalWrite (12, LOW);
  digitalWrite (13, LOW);

  //delay
  delay (1000);

  digitalWrite (2, HIGH);
  digitalWrite (3, LOW);
  digitalWrite (4, LOW);
  digitalWrite (5, LOW);
  digitalWrite (6, HIGH);

  // SEVEN SEGMENT 1
  digitalWrite (7, LOW);
  digitalWrite (8, LOW);
  digitalWrite (9, LOW);
  digitalWrite (10, LOW);
  digitalWrite (11, LOW);
  digitalWrite (12, LOW);
  digitalWrite (13, LOW);

  //delay
  delay (350);


  // GREEN TRAFFIC LIGHT ON
  digitalWrite (2, LOW);
  digitalWrite (3, LOW);
  digitalWrite (4, HIGH);
  digitalWrite (5, LOW);
  digitalWrite (6, LOW);

  // SEVEN SEGMENT 2
  digitalWrite (7, HIGH);
  digitalWrite (8, HIGH);
  digitalWrite (9, LOW);
  digitalWrite (10, HIGH);
  digitalWrite (11, HIGH);
  digitalWrite (12, LOW);
  digitalWrite (13, HIGH);

  delay (1000);

  digitalWrite (2, LOW);
  digitalWrite (3, LOW);
  digitalWrite (4, HIGH);
  digitalWrite (5, LOW);
  digitalWrite (6, LOW);

  // SEVEN SEGMENT 1
  digitalWrite (7, LOW);
  digitalWrite (8, HIGH);
  digitalWrite (9, HIGH);
  digitalWrite (10, LOW);
  digitalWrite (11, LOW);
  digitalWrite (12, LOW);
  digitalWrite (13, LOW);

  delay (1000);

  digitalWrite (2, LOW);
  digitalWrite (3, HIGH);
  digitalWrite (4, HIGH);
  digitalWrite (5, LOW);
  digitalWrite (6, LOW);

  // SEVEN SEGMENT 1
  digitalWrite (7, LOW);
  digitalWrite (8, HIGH);
  digitalWrite (9, HIGH);
  digitalWrite (10, LOW);
  digitalWrite (11, LOW);
  digitalWrite (12, LOW);
  digitalWrite (13, LOW);

  delay (350);



  // YELLOW TRAFFIC LIGHT ON
  digitalWrite (2, LOW);
  digitalWrite (3, LOW);
  digitalWrite (4, LOW);
  digitalWrite (5, HIGH);
  digitalWrite (6, LOW);

  // SEVEN SEGMENT 2
  digitalWrite (7, LOW);
  digitalWrite (8, HIGH);
  digitalWrite (9, HIGH);
  digitalWrite (10, LOW);
  digitalWrite (11, LOW);
  digitalWrite (12, LOW);
  digitalWrite (13, LOW);

  delay (1000);

  digitalWrite (2, LOW);
  digitalWrite (3, HIGH);
  digitalWrite (4, LOW);
  digitalWrite (5, HIGH);
  digitalWrite (6, LOW);

  delay (350);
}