Integrated training course "Internet of Things. Machine-to-machine interaction. Programming in computer systems and networks." for professional modules and disciplines within the framework of the teaching methodology of the professional cycle for the areas of training of the enlarged group: 09.00.00 "Informatics and computer technology" of secondary and higher professional higher education programs. The narrative of the textbook focuses on teaching methods within the framework of applied undergraduate studies. Emphasis on the application of skills in programming microprocessor systems in CC++ in IoT 2020, obtaining theoretical knowledge on computer networks and networks, finite state machine theory and control theory.