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 Robotics / 16035
    Building a peripheral bus from motor output
   Hi all, I recently read an excellent paper by Fred Martin (of MIT fame) on building toys in a modular fashion. His microcontroller was similar to the RCX but had one key addition - a two wire serial bus so that active peripherals could be attached (...) (23 years ago, 25-Aug-01, to lugnet.robotics)
   
        Re: Building a peripheral bus from motor output —Anthony DeRobertis
     (...) Id be surprised if you could pull 300baud, much less 2400, even assuming perfect patterns. But for low speed comm, it'd work... though I doubt any better than the infrared port! (23 years ago, 26-Aug-01, to lugnet.robotics)
   
        Re: Building a peripheral bus from motor output —Bruce Boyes
     (...) Do you have a link to this paper? We are taking a similar approach and using SPI on our JCX controller. We have designed in support for over 20 addressable I/O modules. For example, 4 motors are a module, 8 Lego compatible inputs takes up 2 (...) (23 years ago, 27-Aug-01, to lugnet.robotics)
    
         Re: Building a peripheral bus from motor output —Mark Crosbie
     (...) It's at: (URL)We are taking a similar approach and using SPI on our JCX controller. We (...) I checked out the systronix.com website but didn't see anything about a JCX controller. Is it a Java version of the RCX? Did I miss the link? (...) (...) (23 years ago, 27-Aug-01, to lugnet.robotics)
   
        Re: Building a peripheral bus from motor output —Gordon Mott
     (...) I don't to the paper, but the microcontroller in question is documented at (URL) . Hope it helps, Gordon (23 years ago, 27-Aug-01, to lugnet.robotics)
   
        Re: Building a peripheral bus from motor output —Gordon Mott
   (...) (23 years ago, 27-Aug-01, to lugnet.robotics)
 

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