const int buttonPin = 27;  // the number of the pushbutton pin
const int ledpin_1 = 26;   // the number of the LED pin
// variables will change:
int buttonState = 0;  // variable for reading the pushbutton status
bool pressed;
void setup() {
Serial.begin(9600);
  pinMode(ledpin_1, OUTPUT);


  pinMode(buttonPin, INPUT);
  Serial.println("this is an LED example Board for FAB24");

}

void loop() {

  buttonState = digitalRead(buttonPin);


  if (buttonState == HIGH) 
  {

    if (pressed == false) 
    {
  Serial.println("button is pressed");
      pressed = true;
  
      if (digitalRead(ledpin_1) == LOW)
      {
        Serial.println("LED is ON");
        digitalWrite(ledpin_1, HIGH);
        
      } else {Serial.println("LED is OFF");
        digitalWrite(ledpin_1, LOW);
        
      }
    }
  }
  else {
    pressed = false;
    delay(50);
  }
}