Design and Construction of HVAC and Lighting Controller with Internet of Things Capabilities

This paper proposes an automatic control of the heating and lighting system of a building in such a way as to save energy when the building is or is not in use. The proposed controller with the Internet of Things and the application's capabilities, provides remote control and supervision of a building's heating and lighting system from around the world. The proposed system can record temperature, humidity, and room lighting in a graph that can be used by any site, and the measurements are available for any use. Heating control is achieved by using an electric valve in the heating circuit, whereas lighting control is achieved by using two relays. The ESP8266 is used to connect the circuit to the internet, while the main microcontroller is the Arduino NANO. In addition, the present work addresses both the problems of energy consumption in a building, which is solved by the construction, thermal and visual comfort, and the new technology of Internet of Things. The design and construction of the PCB, the development of the application, as well as the programming method of the microcontrollers along with their programs are included. The aim of this paper is the use of cutting-edge technology in tertiary sector buildings for energy saving and possible upgrading of the energy class of the building. Finally, in the conclusion of this work suggests are given for new expansions that can be easily added to the existing construction.