Blinking Smile Mask

int switchPin = A9;

int switchLED = A8;

void setup()
{
  // Initialize the button and switch pins as inputs with pullups.
  // Pullups keep the inputs from "floating" when a switch or button is open / unpressed.

  pinMode(switchPin, INPUT_PULLUP);

  // Initialize the LED pins as outputs:

  pinMode(switchLED, OUTPUT);
}

void loop()
{
  // This code will read the positions of the button and switch,
  // then use the "if" command to make LEDs follow these states.

  // Create variables to store the button and switch input values:

  int switchState;

  // Read and save the states of the button and switch:

  switchState = digitalRead(switchPin);

  // The if-else statement lets you do different things based on different inputs:

  // The button will read as LOW when it's pressed


  if (switchState == LOW) // Check to see if switchState is LOW (switch is on)
  {
    digitalWrite(switchLED,HIGH); // If switchState is LOW (on), turn on the LED
     delay(1000);            // Pause for 1000 milliseconds (one second), the LED stays on
  digitalWrite(switchLED,LOW);  // Give pin A5 a LOW voltage level (off), which turns off the LED
  delay(1000);      
  }
  else
  {
    digitalWrite(switchLED,LOW); // If switchState is HIGH (off), turn off the LED
  }
}