Jaxon Lee contributed to the UCSD-E4E/smartfin-fw3 firmware by enhancing documentation and improving data handling in embedded systems. He clarified the I2C driver and Task interface through detailed C++ documentation, making the codebase more accessible and maintainable for future developers. Addressing device driver robustness, he modified the temperature read function to return NaN for invalid registers, preventing misinterpretation of sensor data. His work focused on embedded firmware development, emphasizing clear API design and reliable device communication. Over the month, Jaxon demonstrated depth in C++ and device driver development, delivering targeted improvements that support both developer productivity and data integrity.