void setup() {
 pinMode(12, OUTPUT); //เขียว ชุดทางเอก
 pinMode(14, OUTPUT); //เหลือง ชุดทางเอก
 pinMode(27, OUTPUT);//แดง ชุดทางเอก
 pinMode(25, OUTPUT); //เขียว
 pinMode(33, OUTPUT); //เหลือง
 pinMode(32, OUTPUT);  //แดง

 Serial.begin(9600);
}

void loop() { 
int x=digitalRead(19);
int y=digitalRead(18);
Serial.println("x =");
Serial.println(x);
Serial.println("y =");
Serial.println(y);
delay(1500);



/*
if(x==1){
  Serial.println("ให้ทางเอกไปก่อน");
digitalWrite(32, HIGH);
digitalWrite(12, HIGH);
delay(5000);
digitalWrite(12, LOW);
digitalWrite(14, HIGH);
delay(3000);
digitalWrite(14, LOW);
digitalWrite(27, HIGH);
digitalWrite(32, LOW);
digitalWrite(25, HIGH);
delay(5000); 
digitalWrite(25, LOW);
digitalWrite(33, HIGH);
delay(3000);
digitalWrite(27, LOW);
digitalWrite(33, LOW);
}
if(x==0){
Serial.println("ให้ทางโทไปก่อน");
  digitalWrite(27, HIGH);
  digitalWrite(25, HIGH);
  delay(5000);
  digitalWrite(25, LOW); 
  digitalWrite(33, HIGH); 
  delay(5000);
  digitalWrite(33, LOW);
  digitalWrite(32, HIGH);
  digitalWrite(27, LOW);
  digitalWrite(12, HIGH);
  delay(2000);
  digitalWrite(12, LOW);
  digitalWrite(14,HIGH);
  delay(5000);
  digitalWrite(14, LOW);
  digitalWrite(32, LOW);
}
*/
}