The book "Universal Serial Bus Port Device Protection Circuit-A Practical Approach" is having three chapters. First Chapter discusses in details on development of USB devices and their practical application. Data transfer speed of USB 2.0 & 3.0 from external USB devices to Desktop or portable computer and vice-versa are also included. Second chapter is about discrete components used in short circuit protection of USB devices and their identification, operating and testing procedure on the sensible ground. Third chapter proposes circuit to prevent short circuit, over voltage, over current and...