#define triger 36
#define echo 34
int pinled = 19;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(triger, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(pinled, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
   // this speeds up the simulation
  digitalWrite(triger, HIGH);
  delay(10);
  digitalWrite(triger, LOW);
  int jarak = pulseIn(echo, HIGH);
  Serial.print("Jarak dalam CM = ");
  Serial.println(jarak/58);
  delay(10);
  if(jarak<100){
    digitalWrite(pinled, HIGH);
    delay(100);
  }
  else{
    digitalWrite(pinled, LOW);
    delay(100);
  }
}