// When button connected to pin 4 is pressed, LED on pin 8 turns ON
const int buttonPin = 4;
const int ledPin = 8;

void setup() {
  pinMode(buttonPin, INPUT);
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600); // Start serial monitor
}

void loop() {
  delay(50); // simple debounce delay
  int state = digitalRead(buttonPin);    // Read the state of the button

   if (state == LOW) {
    digitalWrite(ledPin, HIGH);
    Serial.println("Button Pressed - LED ON");    // Set the LED to  ON
  } else { 
    digitalWrite(ledPin, LOW);
    Serial.println("Button Released - LED OFF");  // Set the LED to  OFF
  }
}