The Internet of Things (IoT) is a revolutionary paradigm that connects things and devices to the Internet, allowing for seamless data exchange and communication that boosts automation and efficiency across a variety of industries. The transformational promise of IoT rests in its capacity to collect, process, and act on massive volumes of real-time data from connected devices, enabling organizations and people to make wise decisions, streamline procedures, and enhance the quality of life in general. The widespread adoption of IoT has revolutionized industries and daily life, empowering businesses to streamline operations, optimize resource utilization, and enhance productivity through real-time data insights and intelligent automation. Businesses may optimize resource allocation, minimize downtime, and make choices based on real-time data by utilizing IoT's capabilities, while people can benefit from increased convenience, increased safety, and a more connected lifestyle. With the proliferation of IoT-enabled devices and applications, the seamless integration of the physical and digital realms has unlocked opportunities for innovative solutions, creating a smarter, more connected world that fosters efficiency, convenience, and personalized experiences for users. This chapter provides an overview of the IoT, the enabling technologies, and its applications. This chapter also reviews some of the existing research papers related to the application domain of IoT.

Street light management system is one of the smart applications that requires huge energy expenses on developing a smart city infrastructure. A wise street light management method can definitely scale back the street lighting prices. Due to the increasing importance for saving power and proper maintenance results in the development of latest technologies, which allow significant power savings and largest respect for the environment and to reduce the road accidents. This project describes a brand new answer for street light system and major accidents. It consists of wireless technology which can be controlled by a base server by simply sending the information and works according to the weather. The primary motto of this research is to avoid the energy wastage and to save the lives of the individuals from accidents.