Worked on enhancing SmartThings compatibility for Yanmi switches by contributing to the SmartThingsEdgeDrivers repository. Focused on IoT development and device integration, the work involved adding new device fingerprints and updating the cn.csv data file using YAML configuration. This technical approach improved device recognition within the SmartThings ecosystem, streamlined the setup process, and expanded the range of supported Yanmi devices. The changes were committed and merged into the main repository, reflecting a targeted feature addition rather than broad refactoring or bug fixing. The contribution demonstrated practical application of YAML and device integration skills to address a specific compatibility challenge.