That’s what I told you several messages ago! We could have saved a lot of time if you had taken the advice on board.
Leon
there is a definite disconnect going on here. The problem, as I see it, is that there is a level of detail the OP isn’t comprehending. The over-focus on a “button” as if it is some magical component is a key clue. The latching onto python is another. It’s kind of like saying, I want to build a car - we have a guy that does tires and we need a key switch to turn the car on - please suggest parts to build a car.
Simply put, you need to move from the “grand architectural” view and start looking at what goes on inside the boxes. The microcontroller is a complicated one. It will control the Telit device. It has NOTHING to do with Python other than being a vehicle for delivering the Python code to the Telit device. You will need some sort of code, definitely NOT python, to do that. Python code is just data to this other program that runs on the microcontroller. You will need to use C, ASM or BASIC to create the logic that manages the Telit unit.
Frankly, given the level of discussion, I would rate the odds of your team being able to turn in their assignment on time (and get a decent grade) as pretty low. Good luck.