also has a complete Tic-Tac-Toe game built in. [Ryan] decided that an OLED display was too expensive for something to hand out and an LED matrix too thick, so he decided to keep it simple and use ...

Tic-Tac-Toe' is a simple game in which players alternate between placing circles and crosses in a 3x3 grid, and if they line up three of the same marks in a straight line, they win. However ...