python: ./Modules/_tkinter.c:2784: int Tktt_Traverse(PyObject *, visitproc, void *): Assertion `TkttObject_Check(op)' failed. The reason is as follows: whenever a timer handler is created, there are ...

Serial Port based Python data logger using tkinter (ttkbootstrap) GUI framework. The Python Serial datalogger will acquire data from various sensors connected to the Arduino and save the time stamped ...