During January 2026, Cougar developed a robust SSD1306 72x40 display initialization and Iref configuration feature for the esphome/esphome repository. Working in C++ and focusing on embedded systems and hardware interfacing, Cougar implemented support for SSD1306B Iref setup, allowing selection between internal and external reference currents. The work involved modifying the display command sequence and aligning the data write block size to the 72x40 buffer, which optimized data transmission and reduced initialization time. This feature expanded hardware support for compact SSD1306 modules, improving reliability and enabling smoother user experiences for low-resolution displays. The contribution demonstrated solid technical depth.