LED_button.ino

const int LED = 2;
const int button = 5;


void setup() {
  pinMode(button, INPUT_PULLUP);
  pinMode(LED, OUTPUT);
}
void loop() {

  int reading = digitalRead(button);
  
  if (reading == HIGH){
    digitalWrite(LED, LOW);
  }
  else {
    digitalWrite(LED, HIGH);
  }
}