// C++ code

// Transection 1 = สัญญาณไฟ LED ชุดที่ 1 
int R1 = 2;
int Y1 = 3;
int G1 = 4;
// Transection 2 = สัญญาณไฟ LED ชุดที่ 2
int R2 = 5;
int Y2 = 6;
int G2 = 7;
// Transection 3 = สัญญาณไฟ LED ชุดที่ 3
int R3 = 8;
int Y3 = 9;
int G3 = 10;
// Transection 4 = สัญญาณไฟ LED ชุดที่ 4
int R4 = 11;
int Y4 = 12;
int G4 = 13;


int segment1[3] ={R1 , Y1 , G1 };
byte segment2[3] ={R2 , Y2 , G2 };
byte segment3[3] ={R3 , Y3 , G3 };
byte segment4[3] ={R4 , Y4 , G4 };


  
void setup(){

  pinMode(R1, OUTPUT);
  pinMode(Y1, OUTPUT);
  pinMode(G1, OUTPUT);

  pinMode(R2, OUTPUT);
  pinMode(Y2, OUTPUT);
  pinMode(G2, OUTPUT);

  pinMode(R3, OUTPUT);
  pinMode(Y3, OUTPUT);
  pinMode(G3, OUTPUT);

  pinMode(R4, OUTPUT);
  pinMode(Y4, OUTPUT);
  pinMode(G4, OUTPUT);

}

void loop(){
  /*
  digitalWrite(G1, LOW);digitalWrite(Y1, LOW);digitalWrite(R1, LOW);
  delay(100);
  */
  digitalWrite(Y1, HIGH);delay(5*1000);digitalWrite(Y1, LOW);
  digitalWrite(R1,HIGH);delay(280*1000);digitalWrite(R1, LOW);
  digitalWrite(G1, HIGH);delay(120*1000);digitalWrite(G1, LOW);
  delay(100);
  digitalWrite(G1, LOW);digitalWrite(Y1, LOW);digitalWrite(R1, LOW);
  delay(100);

}