#define BUTTON 12
#define LED 13

void setup() {
  // put your setup code here, to run once:
  pinMode(LED,OUTPUT);
  pinMode(BUTTON,INPUT);
  Serial.begin(115200); // Any baud rate should work
  Serial.println("Hello Arduino\n");
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(LED,HIGH);
  Serial.println("LED ON");
  delay(1000);
  digitalWrite(LED,LOW);
  Serial.println("LED OFF");
  delay(1000);
  if(digitalRead(BUTTON)==HIGH) Serial.println("PUSHED");
}