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 ...

After using the tape to create a tic tac toe design on the wood, you will need to paint the pebbles two different colors to use as opposing game pieces. This outdoor patio idea will totally revamp ...