During April 2025, contributed to the hackclub/OnBoard repository by developing and documenting the cinnamoroll_pcb project entry. This work involved creating comprehensive project documentation and assembling all necessary PCB design files, including schematic diagrams in PDF format and manufacturing-ready Gerber files. The approach emphasized clear documentation standards and thorough asset consolidation, streamlining the review and prototyping process for hardware stakeholders. Leveraging skills in PCB design and technical documentation, the developer ensured that all deliverables were organized and accessible, supporting efficient hardware project onboarding. The work focused on readiness for manufacturing and set a foundation for future hardware project contributions.