1.The code for esp32 is located in the tmc2209_V3 folder 2.The code in templates is for the frontend web page, which is used by app_V4_5CANw_ithout_outo. py and the framework used by app_V4_5CANw_ithout_outo. py is Flask 3.New_CN_V5.by is an optimized version of GUI graphical interface control 4.The SMB_SYSTEM (FastAPI) folder is code that uses the FastAPI framework and conforms to a modular structure