Created basic GUI Applecation

mainwindow.h

@@ -0,0 +1,28 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class MainWindow; }
+QT_END_NAMESPACE
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+    QTimer *timer; // NEW
+
+public:
+    MainWindow(QWidget *parent = nullptr);
+    ~MainWindow();
+
+public slots:
+    void onButtonClicked();
+    void ConnectStatus();
+    void connectionUpdate();
+    void TimerSlot();
+
+private:
+    Ui::MainWindow *ui;
+};
+#endif // MAINWINDOW_H