void setup() {
  pinMode(12, OUTPUT);
  pinMode(3, INPUT_PULLUP);
  Serial.begin(9600);

}



void loop() {
  // put your main code here, to run repeatedly:
  int buttonstate=digitalRead(3);
  if(buttonstate==LOW)
  {
    digitalWrite(12, HIGH);
    Serial.println("Switch ON");
    delay(5000);
  }
  else{
    digitalWrite(12, LOW);
    Serial.println("Switch OFF");
    delay(5000);
  }
}