Joystick input noise, such as jitter or ghost movements, can disrupt gaming and control applications. The most common prevention methods involve both hardware and software approaches. For hardware, regularly cleaning the joystick components with isopropyl alcohol removes debris and oxidation from contacts, reducing electrical noise. Replacing worn-out potentiometers or hall effect sensors ensures accurate signal generation. In cases of loose connections, re-soldering the joints can stabilize the input. On the software side, implementing a dead zone in the code ignores small, unintended movements below a set threshold. Using filtering algorithms, like low-pass filters or moving averages, smooths out erratic signals. Additionally, updating firmware or drivers can resolve compatibility issues that cause noise. For wireless joysticks, checking and replacing batteries minimizes power-related interference. Combining these methods effectively reduces input noise and enhances joystick reliability.