#include <Ultrasonic.h>

#define BUZZER 3 
Ultrasonic ultrasonic(12, 8);

int distance;

void setup() {
  pinMode(BUZZER, OUTPUT);
}

void loop() {
  // Pass INC as a parameter to get the distance in inches
  distance = ultrasonic.read();

  digitalWrite(BUZZER, distance);
  delay(distance/100);
  digitalWrite(BUZZER, LOW);
  delay(distance/100);
  
}