#define TRIG_PIN 3
#define ECHO_PIN_1 2
#define ECHO_PIN_2 2

void setup() {
  Serial.begin(115200);
  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN_1, INPUT);
  pinMode(ECHO_PIN_2, INPUT);
}

float readDistanceCM(int echoPin){
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  int duration = pulseIn(echoPin, HIGH);
  return duration * 0.034 / 2;
}

void loop() {
  float distance1 = readDistanceCM(ECHO_PIN_2);
  float distance2 = readDistanceCM(ECHO_PIN_2);

  Serial.print("Jarak 1: ");
  Serial.print(distance1);
  Serial.println(" cm");

  Serial.print("Jarak 2: ");
  Serial.print(distance2);
  Serial.println(" cm");

  delay(100);
}