Lego Servo Multiplexer

Fun & Games


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.

4 thoughts on “Lego Servo Multiplexer

  1. Ian Maddox says:

    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?

  2. Ian Maddox says:

    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?

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

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