A device facilitating interaction between users and complex systems typically comprises hardware and software elements translating human actions into machine-understandable commands. For instance, in a modern car, the steering wheel, pedals, and touchscreen display, along with the underlying software processing inputs, collectively form such a device. This allows drivers to control mechanical functions (steering, acceleration, braking) and digital systems (navigation, entertainment).
These devices are essential for managing complex technologies across diverse fields, from industrial automation and medical equipment to consumer electronics and aerospace. Historically, these interactions relied on simple levers and switches. Advancements in computing and sensor technologies have led to sophisticated graphical user interfaces and haptic feedback systems, improving usability, efficiency, and safety. This evolution has enabled greater control over increasingly complex machines and processes, boosting productivity and reducing the risk of human error.