 Joysticks are also used for controlling machines such as cranes, trucks, underwater unmanned vehicles, wheelchairs, surveillance cameras, and zero turning radius lawn mowers.Miniature finger-operated joysticks have been adopted as input devices for smaller electronic equipment such as mobile phones.Joysticks originated as controls for aircraft ailerons and elevators, and are first known to have been used as such on Louis Bleriot's Bleriot VIII aircraft of 1908, in combination with a foot-operated rudder bar for the yaw control surface on the tail.