Arduino Uno Interface

Dear all
I am looking for the Arduino Uno Board Serial interface with Qt GUI.
I am looking for sample code LED blinking, RTC display and Serial data and receive From Qt GUI
Is there any good links available with above examaple.

Where do you want to use Qt, on the Arduino or some (Linux...) host?
The Uno emulates a serial USB, i.e. command line and nothing related to a GUI. You can write a program with Qt GUI and make it communicate with the Arduino over a serial device.

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