Leonardo da Vinci designed a robot knight that could sit, stand, and move its arms.
Leonardo created the design around 1495 for a pageant or entertainment setting at the court of Ludovico Sforza in Milan. The machine was concealed beneath armor and operated by cables, pulleys, and an internal mechanical framework. Its movements were limited, but the design showed how human-like actions could be produced mechanically.
The robot knight was not an electronic robot and did not act independently. It was an automaton: a machine whose programmed mechanical motions follow a predetermined sequence. Modern reconstructions based on Leonardo’s drawings have demonstrated that the concept could work.
Some details remain uncertain because Leonardo’s notes are scattered and incomplete. Still, the surviving studies clearly connect the machine with a humanoid armored figure and articulated movement, making it one of the best-known examples of Renaissance automaton design.