Matthew expanded the PCB component library for the Matthew0826/NULunabotics repository, focusing on adding a comprehensive set of connector footprints including USB, HDMI, Wago, and Samtec. He aligned KiCad design file metadata by updating UUIDs and reference designator rotations, ensuring consistency with version control and component management standards. Using KiCad and leveraging his skills in component library management and PCB design, Matthew improved the prototyping workflow by enhancing traceability and reducing rework. His work addressed both feature expansion and bug resolution, resulting in a more robust and maintainable electronics design process that supports faster and more accurate future iterations.