/*Write a program to interface buzzer with Arduino board
  to buzz on/off with the delay
  of 1sec*/
const int buzzer = 6;
void setup() {
  // put your setup code here, to run once:
  pinMode(buzzer, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(buzzer, HIGH);
  tone(buzzer, 100);
  delay(1000);
  digitalWrite(buzzer, LOW);
  noTone(buzzer);
  delay(1000);
}