A modern house and its inhabitants are unthinkable without electronic equipment for remote cloud control via a wireless network. A large house can be made easily manageable with various solutions proposed in the book. The entire system takes minutes to set up, but works flawlessly for years, allowing you to monitor important objects thousands of kilometres away. The devices described in the book are designed to control electrical appliances via a home or corporate Wi-Fi network and are used in a network with the common name Internet of Things. Examples of setting up electronic modules are described not only for Windows, but also for the Android application. The publication is intended for a wide range of readers.