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 Robotics / 486
    Re: Multiplexing Input Circuit —Larry Coffin
   (...) Looks good! How about using the third input port to assert the reset line and set the counter back to zero? Is your counter set up as a binary counter? From your diagram it looks like there are times that more than one sensor would be active (...) (26 years ago, 12-Nov-98, to lugnet.robotics)
   
        Re: Multiplexing Input Circuit —Michael Gasperi
      (...) The counter is a CMOS decade counter that has only one output high for each count. There is only one analog switch on at a time. The counter is reset when it hits the value 5 so it jumps back to 0 to start over. The analog switch is (...) (26 years ago, 12-Nov-98, to lugnet.robotics)
   
        Re: Multiplexing Input Circuit —Larry Coffin
   (...) The setup I was using was bi-directional too, I'm not sure exactly why I was seeing it, but I remember getting a high reading for a non-pressed touch sensor when the next one over (the previous one in the cycle?) was pressed. If I reversed the (...) (26 years ago, 12-Nov-98, to lugnet.robotics)
 

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