Leonardo da Vinci designed an armored automaton known as Leonardo’s robot or robot knight for a Milanese court spectacle.
The machine was shaped like a medieval armored knight and used a system of pulleys, cables, and gears to produce human-like movements. Reconstructions indicate that it could sit, stand, move its arms, and operate its jaw, although the exact capabilities of the original remain uncertain.
Leonardo prepared the design during his time in Milan, probably for court entertainment connected with the celebrations of Ludovico Sforza. The surviving evidence comes mainly from notebooks and technical studies rather than a complete original machine.
The robot knight is not a modern autonomous robot. It had no electronic sensors, software, or artificial intelligence. In historical terms, it was an automaton: a mechanically programmed device designed to imitate selected human motions. The distinction matters because Renaissance automata depended on carefully arranged mechanical parts and external or stored energy.