The book "Usage of IoT in Mechanical Engineering" provides a comprehensive overview of how Internet of Things (IoT) technologies are being applied in the field of mechanical engineering. It explores the integration of IoT with traditional mechanical systems, presenting practical applications, benefits, challenges, and future prospects. Through a structured approach, the book covers various aspects of IoT implementation, ranging from design and prototyping to condition monitoring, predictive maintenance, smart manufacturing, robotics, energy management, security, and emerging trends. Drawing on case studies and practical examples, it offers insights into the transformative potential of IoT in enhancing efficiency, productivity, and sustainability within mechanical engineering practices. Whether you're a student, researcher, or industry professional, this book serves as a valuable resource for understanding and harnessing the power of IoT in mechanical engineering.