#include<NewPing.h>
NewPing sensor(10,11,30);
const int led = 9;
int jarak;

void setup() {
  Serial.begin(9600);
    pinMode(led,OUTPUT);
      delay(50);
      }

      void loop() {
        jarak=sensor.ping_cm();
          if(jarak<=5){
              digitalWrite(led,HIGH);
                  delay(50);
                      digitalWrite(led,LOW);
                          delay(50);  
                            }else{
                                digitalWrite(led,HIGH);
                                    delay(500);
                                        digitalWrite(led,LOW);
                                            delay(500); 
                                              }
                                                Serial.println(jarak);
                                                  delay(1000);
                                                  }