int trig = 7;
int echo = 6;
long durasi, jarak;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(trig, LOW);
  delayMicroseconds(2);
  digitalWrite(trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig, LOW);
  durasi = pulseIn(echo,HIGH);
  jarak = durasi*0.0343/2;

  Serial.print("JARAK : ");
  Serial.print(jarak);
  Serial.println(" cm");
  Serial.println("    ");
  delay(1000);
}