Sebastien Blot developed support for Ecowitt soil moisture sensors within the home-assistant/core repository, enabling automatic recognition and processing of soil moisture data for enhanced environmental monitoring. Using Python and leveraging IoT development and sensor integration skills, Sebastien defined a new sensor type in the Ecowitt sensor mapping, ensuring compatibility and robust data flow. The work included stabilizing the feature by addressing edge cases and validating sensor data integration, which improved the reliability and fidelity of environmental data pipelines. This contribution allowed downstream analytics and automation systems to utilize accurate soil moisture readings, supporting better irrigation planning and ecosystem monitoring workflows.