Chess-Robot Components Each chess piece needs a neodymium magnet attached to the base A grid of 64 reed swithes and diodes to localize chess pieces 2 stepper motors and 1 servo motor for the 2-axis robotic arm and its magnetic head Two Arduino boards are required due to limited GPIO pins Arduino Mega (sensor reading processing and main control) Arduino Uno (motor control) 2 seven-segment displays and 1 LCD for the chess clock Sjeng chess engine on an external PC to output AI moves and report invalid moves Features Chess clock can respond to sensors and automatically switch side Moves, captures, castling, and pawn promotions are smartly detected and displayed on the LCD Invalid moves can be corrected by a human player Difficulty level and game mode can be adjusted in the Chess Helper app (macOS) Supported game modes human vs human human vs AI (human white) AI vs human (AI white) AI vs AI Demo (AI vs AI)
