The book "Microprocessor tools and systems: laboratory workshop for students of the specialty I-40 02 01 "Computers, systems and networks" by A. A. Petrovsky is an indispensable guide for students and specialists seeking to deepen their knowledge in the field of microprocessor technology and systems. In this practical guide, the author offers readers a unique opportunity not only to get acquainted with the theoretical aspects, but also to apply the knowledge gained in practice, which makes it especially valuable for future engineers and developers. The book covers a wide range of topics, ranging from the basics of microprocessor architecture to complex control systems. Petrovsky shares his experience, offering a variety of laboratory work that will help students master key skills in programming and designing microprocessor systems. Each laboratory work is accompanied by detailed instructions and recommendations, which allows readers to easily follow the material and confidently perform tasks. This book will be especially interesting for students of technical specialties, as well as those who already work in the field of computers and systems. It is suitable for both beginners and more experienced professionals who want to update their knowledge or master new technologies. If you are fond of electronics, programming or robotics, “Microprocessor tools and systems” will be a real find for you. The topics raised in the book are not only relevant, but also vital for understanding modern technologies. Petrovsky focuses on the importance of microprocessors in everyday life and their role in the development of various industries, from consumer electronics to complex computing systems. Readers will be able to see how theoretical knowledge is embodied in real projects, which will inspire them to their own developments and experiments. The author's style is characterized by accessibility and clarity of presentation, which makes complex concepts understandable even for those who are just beginning to get acquainted with the topic. A. A. Petrovsky is an experienced teacher and practitioner, which allows him not only to share theoretical knowledge, but also to transfer practical skills that are so necessary in the modern world. His other works, such as "Basics of Microcontroller Programming" and "