/*
*sanmple sketch 
*/



#define SWITCH_PIN 13

void setup() {
    //pin settings
    pinMode(SWITCH_PIN, INPUT_PULLUP);

  //set serial monitor to defult
  Serial.begin(9600);

}

void loop() {
    //set serial monitor enalble in each 1 sec]
    Serial.println(digitalRead(SWITCH_PIN));
    delay(1000);


}