Worked on the mixxxdj/mixxx repository to enhance the reliability of LED flashing control logic for hardware integration, specifically targeting the Numark Mixtrack-3 platform. Addressed a bug by implementing an LED Flashing Timer Activation Guard, ensuring the timer only activates when the flashCount is greater than zero. This approach prevented unintended timer creation, reducing the risk of runtime errors and stabilizing the LED signaling path. The solution involved updating JavaScript controller scripts and applying embedded systems and firmware development principles to improve device stability. The work focused on robust error prevention and maintaining consistent LED behavior across supported hardware.