#define PIN_TRIG 2  // Define PIN_TRIG to be the digital pin 2
#define PIN_ECHO 3  // Define PIN_ECHO to be the digital pin 3

void setup() {
  Serial.begin(115200);
  pinMode(PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);
}

void loop() {
  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(PIN_TRIG, LOW);
  
  int duration = pulseIn(PIN_ECHO, HIGH);
  
  Serial.print("Distance in CM:");
  Serial.println(duration / 58);
  Serial.print("Distance in inches:");
  Serial.println(duration / 148);

  delay(1000);
}