Developed and delivered the Greencell HabuDen EVSE integration for Home Assistant within the cdce8p/ha-core repository, enabling users to discover, monitor, and control Greencell electric vehicle charging stations directly from the Home Assistant interface. Leveraged Python programming and MQTT to facilitate real-time status updates, control capabilities, and energy insights, aligning with the broader goal of expanding device compatibility and automating EV charging workflows. The integration established a robust foundation for future EVSE device support within the Home Assistant ecosystem, demonstrating a methodical approach to integration design and commit-driven delivery while focusing on enhancing user experience and system extensibility.