#define trigPin 2
#define echoPin 3
int time;
void setup() {
  // put your setup code here, to run once:
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, OUTPUT);
  Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(trigPin, LOW);
delay(10);
digitalWrite(trigPin, HIGH);
delay(10);
digitalWrite(trigPin, LOW);
delay(25);
time=pulseIn(echoPin,HIGH);
Serial.println(time);
delay(200);
}