Via a serial port aide to esp - 01 in debugging, connect the esp - 01 and MCU, is the right reaction microcontroller c language is required to command, master c language is very important, need to be familiar with c language, microcomputer application is very extensive, in intelligent home appliances washing machine can automatic and single-chip computer at work, what is the relationship between esp - 01 exactly and single chip microcomputer, need to understand that as a neural node, esp - 01 how to write programs, it need to write the program? Esp - 01 need to use what language to write programs, need to use c language? How to write programs in c language needed?