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. (more…)