Project Tonic Button Demo

buttondemo.ino

const int ledPin =  13;  
const int button1Pin = 2;
const int button2Pin = 3;

void setup() {
  pinMode(ledPin, OUTPUT); 
  pinMode(button1Pin, INPUT_PULLUP);  
  pinMode(button2Pin, INPUT_PULLUP);     
}

void loop()
{
  if (digitalRead(button1Pin) == LOW || digitalRead(button2Pin) == LOW) {
    digitalWrite(ledPin, HIGH);
  } else {
    digitalWrite(ledPin, LOW);
  }
}