Developed and delivered Volt 80 Custom PCB support for the qmk/qmk_firmware repository, enabling RGB lighting, custom key mappings, and full QMK compatibility for new hardware. The work involved updating both C source files and JSON keyboard manifests to define the Volt 80 layout and integrate advanced lighting features. Applied lint fixes and formatting improvements to maintain code quality and ensure smooth review processes. Collaborated with other contributors to finalize changes, enhancing hardware support readiness. Leveraged expertise in C programming, embedded systems, and keyboard firmware development to provide a robust foundation for future Volt 80 features and improved reliability.