const int trigpin = 5;
const int echopin = 18;


void setup() {
 Serial.begin(115200);
 Serial.println("Ready to print");

 pinMode(trigpin, OUTPUT);
 pinMode(echopin), INPUT;

}

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

  long diuration = pulseIn(echopin,HIGH);

  float distance = diuration * 0.0343 / 2;

  Serial.println(distance);
  delay(1000);
  
}