diff --git a/src/ledwidget.h b/src/ledwidget.h
new file mode 100644
--- /dev/null
+++ b/src/ledwidget.h
@@ -0,0 +1,61 @@
+/*
+  Copyright © 2018 Hasan Yavuz Özderya
+
+  This file is part of serialplot.
+
+  ledwidget is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  ledwidget is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with ledwidget.  If not, see .
+*/
+
+#ifndef LEDWIDGET_H
+#define LEDWIDGET_H
+
+#include 
+#include 
+#include 
+
+class LedWidget : public QWidget
+{
+    Q_OBJECT
+
+    Q_PROPERTY(QColor color MEMBER m_color WRITE setColor NOTIFY colorChanged)
+    Q_PROPERTY(bool on READ isOn WRITE setOn NOTIFY onChanged)
+
+public:
+    explicit LedWidget(QWidget *parent = 0);
+
+    void setColor(QColor ledColor);
+    bool isOn();
+
+    QSize sizeHint() const Q_DECL_OVERRIDE;
+    QSize minimumSizeHint() const Q_DECL_OVERRIDE;
+
+signals:
+    void colorChanged(QColor ledColor);
+    void onChanged(bool on);
+
+public slots:
+    void setOn(bool on);
+    void turnOn();
+    void turnOff();
+    void toggle();
+
+protected:
+    void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
+
+private:
+    QColor m_color;
+    bool m_on;
+};
+
+#endif // LEDWIDGET_H