The system for controlling the economic opera- tion of a solid fuel boiler is a device that controls and moni- tors the processes that occur during fuel combustion and water circulation in a solid fuel boiler. The system describes the combination of two main components: software and hardware.
Based on the analysis of existing systems for helping blind people to navigate in space, an understanding arose in the creation of a new system that would have a completely different approach to the interaction of a blind user with the existing world. Such a system, having the function of a voice message, provides a blind person with information and thus helps him orientate in space. Existing approaches focus on providing sound signals, which only make it possible to redirect a person in a certain direction, prohibit or allow movement.