This session will explore the intricate aspects of RTOS design and implementation, highlighting Zephyr's advanced features and configurations. We will explore its comprehensive support for multi-core processors, advanced scheduling techniques, and intricate memory management. Additionally, we will cover the integration of cutting-edge connectivity protocols, optimization for power efficiency, and leveraging Zephyr's security framework for high-stakes applications.The practical segment of the workshop will guide participants through complex real-world scenarios, focusing on optimizing system performance, customizing Zephyr modules, and implementing advanced debugging and profiling techniques. Attendees will engage in hands-on exercises to build sophisticated Zephyr-based applications, enabling them to tackle performance bottlenecks and ensure robust and secure deployments.Finally, we will delve into the extensive ecosystem surrounding Zephyr, discussing how to contribute to its development, stay updated with the latest advancements, and collaborate with the vibrant community of experts. Participants will gain insights into best practices for maintaining and scaling their Zephyr projects, ensuring long-term success.