/*
  SparkFun Inventor’s Kit
  Circuit 1A-Blink

  Turns an LED connected to pin 13 on and off. Repeats forever.

  This sketch was written by SparkFun Electronics, with lots of help from the Arduino community.
  This code is completely free for any use.

  View circuit diagram and instructions at: https://learn.sparkfun.com/tutorials/sparkfun-inventors-kit-experiment-guide---v41
  Download code at: https://github.com/sparkfun/SIK-Guide-Code
*/
boolean kveikt = false;

void setup() {
  pinMode(8, OUTPUT);      // Set pin 13 to output
  pinMode(7, INPUT_PULLUP);
}

void loop() {

  if(digitalRead(7) == LOW) {     //Spurning: er verið að styðja á takka?
    if(kveikt == true) {         //Spurning: er slökkt á leddu
      digitalWrite(8, LOW);
      kveikt = false;
      delay(250);
    }
    else {                        
      digitalWrite(8, HIGH);      //kveikja á leddu
      kveikt = true;              //munum að það er kveikt á leddu
      delay(250); 
    }
  }
}