Worked on the renesas/zephyr repository to deliver LuDLC protocol documentation and integrate external module support within Zephyr. Focused on embedded systems and technical writing, the work established a reusable external module pattern aligned with RFC 107497, enabling LuDLC to be adopted across Zephyr-based projects. Using reStructuredText for documentation, the developer detailed integration steps and usage, streamlining onboarding for downstream teams and improving developer efficiency. No major bugs were addressed during this period, as the primary emphasis was on modularization, process alignment, and creating clear, RFC-driven documentation to support future contributions and accelerate integration for other teams.