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[John Sarik] keeps cranking out new ideas for his digital Sudoku project. This time he’s using 7-segment displays for each digit. The game play works the same as the Nixie Tube version, but this makes things quite a bit easier to build. The board above is one of the nine modules that make up the [...]

Tags:  sudoku segment project john-sarik 7-segment-displays nixie-tube game-play classic hacks  

[John Sarik] asked himself why a project should only have a handful of Nixie tubes? Without a good answer to his query he went ahead and built this Sudoku game using 81 Nixie tubes. There’s not much of a description for his work but here’s how we think things go: The two knobs manipulate a [...]

Tags:  sudoku nixie project john-sarik nixie-tubes good-answer classic hacks  

We’re always happy to receive a tour of the guts that make things work. [John Sarik] posted several pictures and descriptions of the hardware that makes up his Nixie Sudoku build. The modular design uses professionally made circuit boards which greatly improve the durability of a large set of circuits such as this. The design [...]

Tags:  sudoku nixie Hardware john-sarik guts durability circuits classic hacks