Maker builds an Arduino-controlled, chess-playing robot
Arduino Team — September 29th, 2017
While playing board games on a computer screen can be entertaining, this experience lacks a certain tangible aspect. YouTuber RoboAvatar decided to take things into the third dimension with a chess machine that uses an XYZ gantry system and gripper to move pieces as needed.
Instead of a vision system, RoboAvatar’s robotic device uses 64 reed switches (one for each square) to tell an Arduino Uno where the magnetized pieces reside. The project also features a Mux Shield and a pair of MCP23017 I/O expander chips, providing a total of 93 available pins.
While the Uno controls the physical motion and sensing of the board, a computer runs a Python program that does the chess game calculations and sends this information to it. You can see the machine demonstrated in the first video below. The second gives an overview of how it was made.
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