// Create Traffic Light control Intersection. 

// Setup and Designs systems LED 4 phase.
const int R[] = {};
const int Y[] = {};
const int G[] = {};


// phase1
int R1 = 2 ;
int Y1 = 3 ;
int G1 = 4 ;

// phase2
int R2 = 5 ;
int Y2 = 6 ;
int G2 = 7 ;

// phase3
int R3 = 8 ;
int Y3 = 9 ;
int G3 = 10 ;

// phase4
int R4 = 11 ;
int Y4 = 12 ;
int G4 = 13 ;

/*
// phase2
int  = ;
int  = ;
int  = ;

// phase3
int  = ;
int  = ;
int  = ;

// phase4
int  = ;
int  = ;
int  = ;

// phase5
int  = ;
int  = ;
int  = ;

*/

void setup() {
  //Serial.begin(9600);
  
  pinMode(R1, OUTPUT);
  pinMode(Y1, OUTPUT);
  pinMode(G1, OUTPUT);

}

void loop()  {
  /*
  Serial.println("แสดงสีของไฟLED");
  */

  digitalWrite(R1, HIGH);digitalWrite(R1, LOW);
  digitalWrite(Y1, HIGH);
  delay(50);
  digitalWrite(Y1, LOW);
  delay(50);
  
}