Get ready to spread love and laughter with our free printable tic tac toe board Valentine's Day card. Whether you're spending the day with family, friends, or your special someone, this easy and ...

Here’s another entry in the 7400 Logic contest. [Circuitchef] used gates and a few flip-flops to build a two-player electronic Tic-Tac-Toe game. The full details or shared in the PDF file he ...