int buttonState = 0;
int LEDPin = 11;
void setup()
{
// initialize pin 2 as input and pin 11 as output
pinMode(2, INPUT);
pinMode(LEDPin, OUTPUT);
}
void loop()
{
buttonState = digitalRead(2); // read the button
if (buttonState == HIGH) {
// do something - here we just blink the LED
digitalWrite(LEDPin, HIGH);
delay(500);
digitalWrite(LEDPin, LOW);
delay(500);
}
}