NetBeans

int pin[7];
int x= 0;
unsigned long blinkRate = 1000;
const int echoPin = 9;
const int trigPin = 10;
long duration;
int distance;

void setup() {
  pinMode(trigPin,OUTPUT);
  pinMode(echoPin,INPUT);

  for(int i=0;i<7;i++){
    pin[i]=i+2;
    pinMode(pin[i], OUTPUT);
  }
Serial.begin(9600);
Serial.println("Enter the blink delay length in milliseconds (try 100)");
}

void loop() {

  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);

  duration = pulseIn(echoPin, HIGH);
  distance = duration*0.034/2;
  Serial.println(distance);

  if (Serial.available() > 0){
    blinkRate = Serial.parseInt();
    Serial.println(blinkRate);
  }
  for(int i=0;i<7;i++){
    if(i==x){
      digitalWrite(pin[i], HIGH);
    }
    else{
      digitalWrite(pin[i], LOW);
    }
  }
  x++;
  if(x>6)x=0;
  delay(blinkRate);
}



//NetBeans


package aplikasi;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import net.miginfocom.swing.MigLayout;
import com.fazecast.jSerialComm.*;
import java.util.Scanner;

public class Aplikasi extends JFrame{
	JPanel utama = new JPanel(new MigLayout());
	JLabel lInput = new JLabel("Instruksi : ");
	JTextField lText = new JTextField(20);
	JButton kirim = new JButton("Kirim");
	JLabel lHasil = new JLabel("Hasil ");

public Aplikasi(){
	super("Program Kontrol Arduino");
	setSize(500,400);
	setResizable(true);
	setDefaultCloseOperation(EXIT_ON_CLOSE);
	utama.add(lInput);
	utama.add(lText);
	utama.add(kirim,"wrap");
	utama.add(lHasil);
	add(utama);
	SerialPort ports[] = SerialPort.getCommPorts();
	SerialPort port = ports[0];
	port.openPort();
        port.setComPortTimeouts(SerialPort.TIMEOUT_SCANNER, 0, 0);
	ActionListener ProsesAction = new ActionListener(){

public void actionPerformed(ActionEvent e){
	String nilai = lText.getText();
	lHasil.setText(nilai);
	port.writeBytes(nilai.getBytes(),2);			}
	};
	kirim.addActionListener(ProsesAction);
	setVisible(true);


        Scanner data = new Scanner(port.getInputStream());
        int counter=0;

        while(data.hasNextLine()){
            try{
                System.out.println(data.nextLine());
            }catch(Exception e){
                System.out.println("ERROR");}
            }
        }
	public static void main(String [] a )
	{
		new Aplikasi();
	}
}