//Student name: Ngan Hoi Sing
//Class: EG524403-1A
//Student no.: 230292338

//https://wokwi.com/projects/382443074291088385

#define LED_Out_Pin 25 //Set the output position
#define SW_In_Pin 15 //Set the input position

void setup()
{
  // Initialize serial port
  Serial.begin(115200);

  // Set pins
  pinMode(LED_Out_Pin, OUTPUT);
  pinMode(SW_In_Pin, INPUT_PULLUP);
}

void loop()
//If the button is pull up, then the LED will not flashes
{
  if (digitalRead(SW_In_Pin)) 
  {
    digitalWrite(LED_Out_Pin, LOW);
  }
//If press the button, the LED will flashes
  else
  {
    digitalWrite(LED_Out_Pin, HIGH);
    delay(200);
    digitalWrite(LED_Out_Pin, LOW);
    delay(200);

  }
}