Control Light Using JAVA and Arduino Programing You can communicate with and control an Arduino from Java running on another computer. Java Code: package Kittu; import arduino.*; import javax.swing.JOptionPane; public class NewJFrame extends javax.swing.JFrame { Arduino aa=new Arduino(); public NewJFrame() { super("Home Automation"); initComponents(); aa.setPortDescription("COM8"); aa.openConnection(); Message.setText("Light is Off"); } @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code"> private void initComponents() { Btn1 = new javax.swing.JButton(); Mes...