int p = 2;

int btn = 5;



void setup() {

  // put your setup code here, to run once:
  //กำหนดรูปแปบบขา
  pinMode(p ,OUTPUT);

  Serial.begin(115200);
  pinMode(btn , INPUT);

}


void loop() {
  bool btnV = digitalRead(btn);
  Serial.println(btnV);
  digitalWrite(p, btnV);
  delay(100);

}