Use an Arduino to Build an Electronic Connect Four Game

Connect Four (sometimes marketed as “Connect 4”) was first published by Milton Bradley in 1974. It’s a two-player game where the players take turns dropping discs into a grid. The goal of the game is to get four of your discs in a line vertically, horizontally, or diagonally. It’s a fun game that can be quite challenging despite the deceptively simple rules. Unfortunately, the fun doesn’t last long before you inevitably lose some of the discs. Kelly Bodeman and Jack Whelan used an Arduino to create an electronic Connect Four game that ditches those discs entirely, and they have posted an Instructables tutorial explaining how you can build your own.

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