That is, the following functions:
① the serial port screen realizes the function of language selection;
② serial port screen realizes the function of sending touch command and switching pictures;
③ Single-chip microcomputer realizes the function of data command upload;
④ The serial port screen realizes the real-time waveform display function.
After the function is determined, select the module model:
① Stvc101wt-01 is adopted for screen end;
② stm32f103rct6 is adopted for single-chip microcomputer;
③ voice broadcast module.