// 1. demonstrate a tilt ball switch as digital input
// 2. generate tones on a speaker on pin 5

const int SPEAKER_PIN = 5;
const int SWITCH_PIN = 2;

void setup()
{
  pinMode(SWITCH_PIN, INPUT);
  Serial.begin(115200);
}
void loop()
{
  if (digitalRead(SWITCH_PIN)) {
    noTone(SPEAKER_PIN);    // silence
    Serial.println("1");
  } else {
    tone(SPEAKER_PIN, 440); // play A4 "concert A"
    Serial.println("0");
  }
}