gistfile1.ino

// Jeremy Nir - Physical Computing 2014
// This code turns on an LED to let you know that you're out of aluminum foil.

const int ledPin = 13;
const int inputPin = 2;

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

void loop(){
  int val = digitalRead(inputPin); 
  if (val == HIGH)
  {
    digitalWrite(ledPin, LOW);
    }
    else
    {
      digitalWrite(ledPin, HIGH);
    }
}