Z Axis Toner

gistfile1.java

const int contactPin = 7;
const int speakerPin = 6;

const int ledPin = 13;

int contactState = 0;

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

void loop() {
  contactState = digitalRead(contactPin);
  
  digitalWrite(ledPin, contactState ? HIGH : LOW);
  if (contactState == HIGH) {
    tone(speakerPin, 1000);
  } else {
    noTone(speakerPin);
  }
}