Leonardo da Vinci’s humanoid machine is known as the mechanical knight.
Leonardo designed the machine in 1495 for a pageant or court celebration organized by Ludovico Sforza in Milan. His surviving notes and drawings show a knight in armor powered by cables, pulleys, and a system of gears. The mechanism may have allowed the figure to sit, stand, raise its visor, and move its arms. Because no original machine has survived, the exact range of motion remains uncertain.
The device is often called Leonardo’s robot, but “mechanical knight” is the more specific name used for the reconstructed design. In Renaissance terms, it was an automaton: a self-moving mechanical figure intended to entertain or impress an audience, not an intelligent machine.
In 2002, engineer Mark Rosheim built a working reconstruction based on Leonardo’s drawings. The project helped demonstrate that the mechanism could plausibly produce the reported movements. The knight connects Leonardo’s artistic work, military interests, and fascination with mechanical motion.