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  Re: multi-device output controller
 
In my example the RCX output was just used to tell this mythical board which output to drive. Power for the output came from a battery box, always set to on. The RCX can't set direction on the battery box (at least not trivially). alex (...) -- Did (...) (25 years ago, 26-Mar-99, to lugnet.robotics)
 
  Re: multi-device output controller
 
Right. That is why you cannot use all 8 power levels. The polarity reversal that I am talking about is on the controlling (and only) output. I am already assuming, at this point, that drive power is stuck on as with your external battery box. (...) (25 years ago, 26-Mar-99, to lugnet.robotics)

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