Worked on strengthening the keypad input event handling in the lvgl/lvgl repository, focusing on embedded systems and event-driven programming using C. Addressed a critical bug by modifying the input event pipeline to abort processing when lv_group_send_data returned an invalid value, thereby preventing cascading errors in downstream input handling. This change improved runtime stability and enhanced the reliability of user input across LVGL deployments. The work demonstrated a careful approach to error-path management, ensuring that invalid input events did not propagate through the system. The contribution centered on robust error handling and stability improvements within the input subsystem during the development period.