During February 2026, Deirdre contributed to the esphome/esphome repository by implementing a configurable SDIO clock frequency feature for the ESP32 hosted component. This work allowed users to set the SDIO frequency between 400 kHz and 50 MHz, enabling performance optimization and improved hardware compatibility across diverse deployments. Deirdre’s technical approach involved creating a new configuration path in Python and YAML, along with adding regression tests to ensure correctness across different settings. The project required collaboration with other contributors and careful documentation. While no bugs were fixed, the feature addressed a practical need for flexible configuration in embedded systems environments.