[Circuitchef] used gates and a few flip-flops to build a two-player electronic Tic-Tac-Toe game. The full details ... the button in the square they’d like to claim. The input circuitry uses ...

Noughts and crosses, or tic-tac-toe, is a simple game – but twist the rules and you can really spice it up, says Peter ...

Tic-tac-toe ... The game board consists of a small whiteboard on which the robot and the human can draw their O’s and X’s. The mechanical structure of the robot looks a bit like a tiny ...