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A NXT brick can control only three servos, but don’t let that limit you. This multiplexer — dating back to 2007, an oldie! — uses two servos to do the work of twelve, thanks to this clever homebrewed multiplexer.

John Baichtal

John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net


  • http://twitter.com/isnoop Ian Maddox

    Very nice! Is it possible to run the two servos at once so the moving drive gear doesn’t spin the satellites as it goes by?

  • http://twitter.com/isnoop Ian Maddox

    Very nice! Is it possible to run the two servos at once so the moving drive gear doesn’t spin the satellites as it goes by?