//sensor jarak
#define ECHO_PIN 2
#define TRIG_PIN 15

float jarakDalamCm;
void setup() {

  Serial.begin(115200);
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);

}
float bacaJarak() {
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  int durasi = pulseIn(ECHO_PIN, HIGH);
  jarakDalamCm = durasi * 0.034 / 2;
  return jarakDalamCm;

}
void loop() {
  bacaJarak();
  Serial.println(jarakDalamCm);
  delay(10); // this speeds up the simulation
}