In this book, the subject is developed from basics of components involved. Each concept is clearly depicted through illustrations. Programming has been carried out in C programming with Linux background. A set of quiz and review questions has been presented at the end of each chapter. The book covers various topics from the basic building blocks, design methodologies, modeling of embedded systems to layered approach in embedded systems, microcontrollers. The aim in writing this book is to make the readers aware of what an embedded system is all about, how it is constructed, challenges faced in this field and coding for it. The reader who is totally new to this subject can definitely opt for this book to get a feel for the subject.