int trigPin =12;
int echoPin =14;
//ultrasonic declaration
void setup(){
  Serial.begin(115200);
  pinMode(trigPin,OUTPUT);
  pinMode(echoPin, INPUT);
  //ultrasonic setup
}

void loop(){
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  int duration = pulseIn(echoPin,HIGH);
  int distance = duration*0.034/2;
  Serial.println(distance);
  //ultrasonic loop
}