// Maria Clapp 16/01/23

const int buttonPin = 2;
const int ledPin =13;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(buttonPin, INPUT);
  pinMode(ledPin, OUTPUT);
  attachInterrupt(digitalPinToInterrupt(buttonPin), toggleLED, CHANGE); // attach interrupt to button pin, call toggleLED function on CHANGE
}


void loop() {
  // put your main code here, to run repeatedly:
  Serial.println("this is the main program execution");
  delay(500);
}

void toggleLED(){
  if(digitalRead(buttonPin) == HIGH){
    digitalWrite(ledPin, HIGH); // tunr oon LED
    Serial.print("Interrup event, led turn on");
  }
  else {
    digitalWrite(ledPin, LOW);
  }
}