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In the JavaOne 2013 technical keynote the Java team demonstrated a robot controlled by Java playing chess. It is powered by a RaspberryPi running JavaME controlling the motors via AdaFruit i2c servo controller. The chess board had 256 RGB LEDs under it 4 per square individually controlled via SPI bus. The robot was built using servo gear boxes, aluminum tubes and hardware from . The grippers we 3D modeled and printed so they could be created to perfectly fit the chess pieces. The Java Duke ches
