int trig = 4;
int echo = 5;

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


}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(trig,1);
  delay(10);
  digitalWrite(trig,0);
  ////// Measure distance
  long duration = pulseIn(echo,HIGH);
  float dist = duration/58;
  Serial.println(dist,2);
  delay(1000);



}