// ---------------------------------------------------------------------------
// Tutorial By IOT Fajar
// ---------------------------------------------------------------------------
#include <Servo.h>
#include <NewPing.h>

#define TRIGGER_PIN  A0  // Hubungkan Pin TRIG Sensor Ultrasonic pada Pin A0 Arduino
#define ECHO_PIN     A1  // Hubungkan Pin TRIG Sensor Ultrasonic pada Pin A1 Arduino
#define MAX_DISTANCE 200 // Setting jarak maksimum yang kita inginkan, biasanya maksimal sensor HC-SR04 adalah 5 Meter

NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE);
Servo myservo;

int pos = 0;    // variable to store the servo position


void setup() {
  Serial.begin(9600); 
  pinMode(LED_BUILTIN, OUTPUT);

      }

      void lampu(){
          digitalWrite(LED_BUILTIN, HIGH);
          }
      void lampuMti(){
          digitalWrite(LED_BUILTIN, LOW);
      }

          void loop() {
            
float jarak = sonar.ping_cm();
          lampu();
              while (jarak < 70.00){
                  lampuMti();
              }
          }