The main objective of this project is to realize various desktop applications through the use of the "Internet of Things" technology under a Windows operating system. These different studies are simulated under the Cisco Packet Tracer tool and the Arduino system coming from the world of the Internet of Things and the Smart City in order to choose the most adequate one, which will allow us to consult and manage the state of the different equipments. This is with the aim of satisfying the customer by providing guaranteed comfort.