const int trig = 2;
const int echo = 4;

long duration;
//float distance;
long distance;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(trig, OUTPUT);
   pinMode(echo, INPUT);
}

void loop() {
  digitalWrite(trig, LOW);
  delayMicroseconds(2);
  digitalWrite(trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig, LOW);

  duration = pulseIn(echo, HIGH);
  //Serial.println(duration);
  distance = (duration * 0.034/2) + 1;
  Serial.println("Distance " + String (distance));
  delay(1000);
}