// James Rutter | 23.03.2021
// Fab Academy Week 09: Embedded Programming 

const int ledPin = 4; 
const int buttonPin = 3; 

int buttonValue = 0; // initialize state of button to false/off. 

void setup() {
  pinMode(ledPin, OUTPUT);
  pinMode(buttonPin, INPUT); 
}

void loop() {
  buttonValue = digitalRead(buttonPin); // read in value/state of button 

  if(buttonValue == 1){
    digitalWrite(ledPin, HIGH); // if button is pressed (1), turn on LED 
  }

  digitalWrite(ledPin, LOW); // otherwise leave LED off 
}