I am starting to work on a hobby project where a stepper motor is used to implement a winch for a model sailboat and the stepper moves to the right position with its drum to supply the required sheet for the boom of a sail. The project will be using LPCXpressos, Trinamic boards to control the stepper and monitor the boom position using an magnetic angular sensor from ams. I plan to model the system elements using Modelica in the environment offered by Wolfram Software with its Mathematica and SystemModeler tools. To learn and study the related topics I am starting with a Raspi, as it is supported by Wolfram and so for my experiments I want to create GUIs. As natural I ran into Python, selecting to use Python 3 and Tkinter to use the Tk tool. Looks simple and fine, but to build widgets of the instruments used and have those display data Tkinter seems to be too simple. Am I right? Is there a better choice the Tkinter? Regards Hellmut