Chess Challenge

Players find a chessboard on a pedestal that has 3 hidden RFID sensors underneath. There is an actuator built in the pedestal. They have to find three chess pieces and solve three riddles (revealing the positions) to put the pieces in the correct places (squares). After they've done this, the actuator goes up and a secret compartment hidden in the pedestal is revealed. Electronics needed: 🃏 RFID sensor x3, 🧩 Universal puzzle controller, 🔩 Driver for Actuator