Leonardo da Vinci designed a humanoid mechanical figure known as the mechanical knight for a Milanese court festival.
The design was probably created around 1495 for Ludovico Sforza’s court. Leonardo’s notes and drawings show an armored figure whose internal system of gears, cables, and pulleys could produce humanlike actions, including sitting, standing, and moving its arms. The machine was intended as an automaton, meaning a self-operating mechanical device rather than an intelligent robot.
No original mechanical knight has survived, and historical evidence does not establish every detail of how it operated. In 2002, roboticist Mark Rosheim constructed a working model based on Leonardo’s surviving drawings and related research.
The figure is often called Leonardo’s robot, but it had no electronic computer, artificial intelligence, or autonomous reasoning. Its importance comes from the sophisticated mechanical control system Leonardo imagined inside a life-sized armored body.