int buzzerPin = 7;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(9, OUTPUT);
  delay(200);

  //digitalWrite(A6, HIGH);

}

void loop() {
  // put your main code here, to run repeatedly:
  Serial.println("BUZZ");
  noTone(buzzerPin);
  digitalWrite(9, LOW);
  delay(1000);
  tone(buzzerPin, 100, 1000);
  digitalWrite(9, HIGH);
  delay(2000);


}