Explore a comprehensive talk on Eclipse Oniro's utilization of Zephyr and the lessons learned in the process. Delve into the project's multi-kernel support strategy, focusing on Zephyr's role in RTOS systems. Discover technical insights on building Zephyr through meta-zephyr with Yocto/OE, configuring OpenThread, CoAP, and LVGL, and running CoAP-based projects with shared code between Zephyr and Linux. Learn about Zephyr modules for integrating new technologies, IP compliance toolchains for audits and SBOM generation, and the process of upstreaming fixes, reporting bugs, and backporting changes to LTS releases. Gain valuable knowledge on product integration and the practical applications of Zephyr in various use cases, including door locks and distributed intelligence systems.