int trig = 7;
int echo = 6;

int timeInMicro;
int distanceIncm;
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(7,OUTPUT);
pinMode(6,INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(trig,LOW);
delayMicroseconds(2);
digitalWrite(trig,HIGH);
delayMicroseconds(10);

timeInMicro = pulseIn(echo,HIGH);
distanceIncm = timeInMicro/29/2; 

Serial.println(distanceIncm );
delay(100);
}