 void updateVariable(bool isConnected)
 {
   static bool variable_flag = false;
-  
+
   if (isConnected)
   {
     if (variable_flag == false)
-    {      
+    {
       sensors.initIMU();
       initOdom();
 


  int32_t encoder[WHEEL_NUM] = {0, 0};
  motor_driver.readEncoder(encoder[LEFT], encoder[RIGHT]);
  
  DEBUG_SERIAL.println("Encoder(left) : " + String(encoder[LEFT]));
  DEBUG_SERIAL.println("Encoder(right) : " + String(encoder[RIGHT]));


  DEBUG_SERIAL.println("---------------------------------------");
  DEBUG_SERIAL.println("TurtleBot3");
  DEBUG_SERIAL.println("---------------------------------------");
  DEBUG_SERIAL.println("Odometry : ");
  DEBUG_SERIAL.print("         x : "); DEBUG_SERIAL.println(odom_pose[0]);
  DEBUG_SERIAL.print("         y : "); DEBUG_SERIAL.println(odom_pose[1]);
  DEBUG_SERIAL.print("     theta : "); DEBUG_SERIAL.println(odom_pose[2]);
