Overview

Mastering Zephyr RTOS for Real-Time Embedded and IoT Systems is a practical, production-focused guide for building reliable, secure, and scalable embedded firmware using Zephyr RTOS. This book goes beyond basic examples to show you how Zephyr really works-and how to design real-time systems that are ready for deployment. Whether you're coming from bare-metal development, FreeRTOS, Embedded Linux, or starting fresh, this book takes you from core RTOS fundamentals to advanced, real-world implementations. You'll learn how to architect deterministic firmware, manage hardware cleanly with Device Trees and Kconfig, and build systems that scale from prototype to production. Inside, you'll master multithreading, scheduling, and synchronization; write and integrate drivers for common peripherals; design low-power IoT systems; and implement Bluetooth Low Energy, MQTT, and cloud connectivity. The book also covers secure boot, MCUboot, memory protection, OTA updates, debugging, performance optimization, and production-grade CI/CD workflows. Unlike theoretical overviews, this book is built around hands-on projects such as multithreaded sensor systems, BLE + MQTT IoT nodes, and secure, update-ready firmware-teaching you how professionals design, debug, and deploy embedded systems that actually ship. Designed for embedded engineers, IoT developers, students, and professionals transitioning to Zephyr RTOS, this book balances clear explanations with real engineering depth. Basic C and microcontroller knowledge is helpful, but the content supports both beginners and experienced developers. If you want to build predictable, maintainable, and secure real-time systems-not just blink LEDs-Mastering Zephyr RTOS for Real-Time Embedded and IoT Systems is your complete guide to doing it right. Build real-time systems the professional way. Start with Zephyr.

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