During November 2024, Tercio Filho developed automation triggers for Modbus connectivity status in the esphome/esphome repository, enabling actions when Modbus devices come online or go offline. He addressed a misfiring issue by correcting trigger references in the configuration schema, improving reliability and maintainability. Tercio also expanded documentation in esphome/esphome-docs, providing clear examples and lambda usage for the new on_online and on_offline automations. His work leveraged C++, Python, and configuration management skills, demonstrating a strong understanding of embedded systems and the Modbus protocol. The contributions were well-integrated, aligning features and documentation across both code and docs repositories.