/*
 LightSwitchMonitored
 Turn an LED on and off and send switch state to serial monitor
 */

int pushButtonPin = 2;  // connect the push button to digital pin 2
int ledPin = 13;        // connect the LED to pin 13

void setup() {
  Serial.begin(9600);  // initialize serial communication at 9600 bits/second

  pinMode(pushButtonPin, INPUT);      // make the pushbutton's pin an input
  digitalWrite(pushButtonPin, HIGH);  // turn on pullup resistors

  pinMode(ledPin, OUTPUT);            // make LED's pin an output
}

void loop() {
  int buttonState = digitalRead(pushButtonPin);  // read the input pin

  // set LED state accordingly
  if (buttonState == LOW)         // if the button is pushed
    digitalWrite(ledPin, HIGH);   // turn the LED on
  else                            // otherwise
    digitalWrite(ledPin, LOW);    // turn the LED off

  Serial.println(buttonState);    // print out state of button
  delay(500);                     // delay between reads
}