“Calling all you Sudoku addicts…
Play, Create and Solve Sudoku puzzles using this easy to build Arduino based project.
Simple to use with a touch screen and stylus the unit comes preloaded with Sudoku puzzles to play, a help feature to highlight incorrect values and an automated solver button.
This project includes a 3D printed case with only seven components including a USB rechargeable battery so is does not require a high degree of electronics experience to complete.”