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Nice video from Neil Fraser that uses domino to simulate logic gates (OR, AND and XOR gates out of dominoes, replacement for TTL and CMOS.)

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.



  1. Brendan Orr says:

    That is an extremely clever way of describing logic gates. Especially for visual learners like myself, this sinks in better than dry theory.

  2. meh says:

    I see the demonstration of simple logic gates, but please explain where the video addresses the differences between CMOS and TTL. Perhaps I’m just not seeing it clearly.

  3. pabarriu says:

    JAJAJAJA…I wonder how much noise an INTEL 8080 made of these would make….oh…BTW…does it come in dual core?


  4. anachrocomputer says:

    This reminds me of the “logic goats” that were posted on the Make Blog in 2007:

  5. Ben Thalheim says:

    I Was Curious How He Was Gonna Manage XOR … Very Well Done