/*
 * The code is for turning the LED ON when THe button pressed and blinking when its not. 
 * This code originally made by Eidha Alrashdi for fablab 2018
 * 17/3/2018
 */


const int buttonPin = 3;// The button is connect in pin 3 which is PA3
const int ledPin = 7;// The button is connect in pin 7 which is PA7
void setup()// here we define
{
  pinMode(3, INPUT);// Here I idintfy that button is input.
  pinMode(7, OUTPUT);// Here I idintfy that LED is output.
}
void loop()// here the code will be repeated 
{
  buttonState = digitalRead(3);
  if (buttonState == LOW) // If the button is pressed LED will turned ON. 
  {
    digitalWrite(7, HIGH);// high means 1 or ON
  } else// if it is not pressed the LED will flash
  {
    //Flash:
    digitalWrite(7, HIGH);
    delay(100); //  
    digitalWrite(7, LOW);
    delay(100);
    digitalWrite(7, HIGH);
    delay(100);
    digitalWrite(7, LOW);
    delay(100);
  }
}