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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.
4 thoughts on “Lego Servo Multiplexer”
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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?
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?