#include "Arduino.h"
#include <hcsr04.h>

#define TRIG_PIN 12
#define ECHO_PIN 11

HCSR04 sr04(TRIG_PIN,ECHO_PIN);
long a;


//The setup function is called once at startup of the sketch
void setup()
{
// Add your initialization code here
	Serial.begin(9600);

	 Serial.println(__FILE__);
	   delay(1000);
}

// The loop function is called in an endless loop
void loop()
{
//Add your repeated code here
	a=sr04.distanceInMillimeters();
	   Serial.print(a);
	   Serial.println("mm");
	   delay(1000);

}