The integration of Internet of Things (IoT) technology in building management systems represents a significant advancement in enhancing operational efficiency and user comfort. This paper details the design, implementation, and evaluation of a novel IoT-enabled smart device that combines people counting with automated light control to optimize energy use and improve space utilization in various settings such as offices, retail environments, and public facilities. Utilizing advanced sensor technology and robust IoT infrastructure, this device accurately monitors occupancy levels and adjusts lighting conditions dynamically, thereby reducing unnecessary energy consumption and enhancing occupant comfort. We elaborate on the system's hardware and software architectures, including the specific sensors used, communication protocols employed, and data processing algorithms developed. Experimental results are provided to validate the accuracy and efficacy of the system in real-world applications. This study contributes to the broader field of smart building solutions, emphasizing sustainability and intelligent resource management.
Counter system, Arduino UNO, Infrared sensor
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