The thesis addresses the upgrade of a robotic cell for coffee preparation, which automates the processes using collaborative robots and the development of a graphical user interface for its control. After an analysis of the existing system and a review of various improvement options, an upgrade was implemented, which includes the integration of a graphical user interface using the Tkinter library, the construction of a cup dispenser, a housing for the LCD screen connected to a microcomputer and a control program for robot movements developed in the Python programming environment. The system allows the user to select the desired type and size of coffee via graphical user interface, which then sends commands to the DOBOT CR3 robot. The robot, in interaction with other components of the system, prepares the requested coffee, automatically preforming all of the steps – from picking up the cup to serving the coffee to the user. The focus was on ensuring responsiveness, stability and coordination of the individual components, which was verified through testing. The integration of these components has resulted in an improved user experience, a higher level of process automation and enhanced operational reliability.
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