#define PIN_TRIG 12
#define PIN_ECHO 26

int tinggiMax = 500;
int tinggi , jarak = 0;



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

  tone(4, 262, 1250); 
}

void loop() {
  // Start a new measurement:
  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(PIN_TRIG, LOW);

  int duration = pulseIn(PIN_ECHO,HIGH);
  jarak = duration/58;
  tinggi = tinggiMax - jarak;

  Serial.println(String()+ "Tinggi = "+tinggi+" CM");


  // Read the result:
  // 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);
}