Digital controllers are electronic devices that manage and regulate systems or processes using digital signals. They convert input data into a format that can be processed, allowing for precise control over various applications, such as temperature regulation, motor speed, and industrial automation. These controllers often use algorithms to make real-time adjustments based on feedback from sensors. Commonly found in devices like home thermostats, robotics, and automated manufacturing systems, digital controllers enhance efficiency and accuracy. They can be programmed to perform specific tasks, making them versatile tools in both consumer electronics and industrial settings. Their ability to integrate with other digital systems further expands their functionality.