I want to build GUI by using daemon.
Can I use tkinter of python on daemon service?
Do you mean you want to create a thread (the GUI) running to communicate with the UR robot?
Yes, I do.
I want to communicate on GUI.
may I ask you what kind of operation you want in the GUI? it should have move(L/J) operation and robot status updates at runtime?
I want to show monitor of value of variables.
For example, quantity of products.