/* กำหนดเลขด้วยตัวแปร*/
int r = 2;
int g = 3;
int y = 4;

int btn = 5;
int btn2 = 6;
int btn3 = 7;



void setup() {
  // put your setup code here, to run once:
  //กำหนดรูปแบบขา
  pinMode(r, OUTPUT);
  pinMode(g, OUTPUT);
  pinMode(y, OUTPUT);
  
  Serial.begin(115200);
  pinMode(btn, INPUT);
  pinMode(btn2, INPUT);
  pinMode(btn3, INPUT);
  
  

}

void loop() {
  // put your main code here, to run repeatedly:
//คำสั่งให้ไฟแดงเปิดทุก30 วิ 
bool btnV = digitalRead(btn);
bool btnP = digitalRead(btn2);
bool btnT = digitalRead(btn3);

Serial.print(btnV);
Serial.print("/");
Serial.print(btnP);
Serial.print("/");
Serial.print(btnT);
Serial.print("/");

digitalWrite(g, btnV);
digitalWrite(r, btnP);
digitalWrite(y, btnT);
delay(100);







  /* digitalWrite(r, HIGH);
  delay(30000);
  digitalWrite(r, LOW);

   digitalWrite(y, HIGH);
  delay(5000);
  digitalWrite(y, LOW);

   digitalWrite(g, HIGH);
  delay(25000);
  digitalWrite(g, LOW);
*/
}