#include <NewPing.h>

//sensor
#define TRIGGER_PIN 4    
#define ECHO_PIN 0      
#define MAX_DISTANCE 400 
NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE);


void setup() {
  Serial.begin(115200); 
}


void loop() {

  float jarak = sonar.ping(); 
  
  float jarakcm = jarak * 0.034 / 2;
  Serial.print("Jarak: ");
  Serial.print(jarakcm); 
  Serial.println(" cm");
  delay(100); 
}