Unlock the potential of cutting-edge advancements in power electronics and IoT with Power Devices and Internet of Things for Intelligent System Design, a vital resource that bridges the gap between industry and academia, inspiring innovative solutions across diverse fields such as agriculture, healthcare, and security. This book explores the latest technological advancements in electrical circuits, particularly in the power electronics sector and IoT-based smart systems. The outcomes are closely aligned with current industrial applications, spanning from DC to higher-frequency spectrums. Research progress in electrical systems not only enhances power electronics and fault tolerance but also extends to internet-based surveillance systems designed to address emerging threats and develop mitigation strategies. Modern IoT-based system design incorporates numerous human-centered benefits, with the integration of blockchain architecture adding an interdisciplinary dimension to the research. The primary goal of this book is to leverage IoT and power engineering technologies to develop practical solutions to contemporary challenges while exploring the diverse applications of the Internet of Things across fields such as agriculture, home security, data protection, construction, healthcare, wildlife monitoring, cryptology, and employment in the hospitality sector. Power Devices and Internet of Things for Intelligent System Design serves as a critical link between industry and academia, a role that underscores the success of this endeavor.