Daniel developed and integrated Luxtronik 2.1 heat pump controller support into the evcc-io/evcc repository, focusing on embedded systems and IoT integration. He introduced a new device template enabling Modbus TCP configuration and temperature offsets, laying the foundation for broader hardware compatibility and improved temperature handling. Daniel also implemented a configurable timeout parameter for the Luxtronik charger, enhancing Modbus communication reliability under varying network conditions while maintaining backward compatibility. His work leveraged Go and YAML for configuration management, resulting in robust, maintainable integrations that address real-world reliability and interoperability challenges in home automation and embedded device environments.