The book “Smart security devices on Atmel microcontrollers” by A. A. Biryukova is a fascinating and informative work that immerses the reader in the world of modern security technologies based on Atmel . microcontrollers. This book will be an indispensable tool for anyone interested in the development of smart devices, as well as for students and specialists in the field of electronics and programming. In his work, Biryukov not only describes the technical aspects of working with microcontrollers, but also reveals many practical examples that will help the reader understand how to create their own security devices. The book explores various aspects of designing, programming, and integrating microcontrollers into security systems, making it relevant to both novice and experienced developers. The topics raised in the book cover a wide range of security-related issues, from data protection and encryption to the creation of video surveillance and alarm systems. The author focuses on the importance of security in today's world, where technology is becoming increasingly vulnerable to various threats. Readers will be able to learn about modern methods of protection and how microcontrollers can become the basis for creating reliable and effective systems. The book will be of interest not only to engineers and programmers, but also to anyone who wants to understand how modern security technologies work. It is suitable for both technical students and professionals seeking to expand their knowledge in the field of electronics and automation. Biryukov masterfully explains complex concepts, making them available to a wide audience, which makes the book especially attractive for self-education. The author’s style is distinguished by clarity and logical presentation . Biryukov uses many illustrations and schemes, which allows the reader to better absorb the material and apply it in practice. His experience in the development and implementation of projects based on Atmel microcontrollers makes the book not only a theoretical manual, but also a practical guide that can be used in real projects. In addition, A. A. Biryukov is the author of other well-known works on electronics and programming, which confirms his deep knowledge and experience in this field. Reading his books, you can be sure of the quality and relevance of the information provided . If you are looking for a book that will help you understand the intricacies of creating smart security devices, “Smart security devices on Atmel microcontrollers” will be an excellent choice for you. It will not only enrich your knowledge, but also inspire you to create your own projects that can change the approach to security in your home or at work. This book is not just a textbook, but a true guide to the world of technology that will help you become part of a future where security and innovation go hand in hand. Do not miss the opportunity to learn about how microcontrollers can change your life and make it safer!